dlls/gdiplus/graphics.c

   1 /*
   2  * Copyright (C) 2007 Google (Evan Stade)
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  17  */
  18
  19 #include <stdarg.h>
  20 #include <math.h>
  21 #include <limits.h>
  22
  23 #include "windef.h"
  24 #include "winbase.h"
  25 #include "winuser.h"
  26 #include "wingdi.h"
  27 #include "wine/unicode.h"
  28
  29 #define COBJMACROS
  30 #include "objbase.h"
  31 #include "ocidl.h"
  32 #include "olectl.h"
  33 #include "ole2.h"
  34
  35 #include "winreg.h"
  36 #include "shlwapi.h"
  37
  38 #include "gdiplus.h"
  39 #include "gdiplus_private.h"
  40 #include "wine/debug.h"
  41 #include "wine/list.h"
  42
  43 WINE_DEFAULT_DEBUG_CHANNEL(gdiplus);
  44
  45 /* looks-right constants */
  46 #define ANCHOR_WIDTH (2.0)
  47 #define MAX_ITERS (50)
  48
  49 /* Converts angle (in degrees) to x/y coordinates */
  50 static void deg2xy(REAL angle, REAL x_0, REAL y_0, REAL *x, REAL *y)
  51 {
  52     REAL radAngle, hypotenuse;
  53
  54     radAngle = deg2rad(angle);
  55     hypotenuse = 50.0; /* arbitrary */
  56
  57     *x = x_0 + cos(radAngle) * hypotenuse;
  58     *y = y_0 + sin(radAngle) * hypotenuse;
  59 }
  60
  61 /* Converts from gdiplus path point type to gdi path point type. */
  62 static BYTE convert_path_point_type(BYTE type)
  63 {
  64     BYTE ret;
  65
  66     switch(type & PathPointTypePathTypeMask){
  67         case PathPointTypeBezier:
  68             ret = PT_BEZIERTO;
  69             break;
  70         case PathPointTypeLine:
  71             ret = PT_LINETO;
  72             break;
  73         case PathPointTypeStart:
  74             ret = PT_MOVETO;
  75             break;
  76         default:
  77             ERR("Bad point type\n");
  78             return 0;
  79     }
  80
  81     if(type & PathPointTypeCloseSubpath)
  82         ret |= PT_CLOSEFIGURE;
  83
  84     return ret;
  85 }
  86
  87 static INT prepare_dc(GpGraphics *graphics, GpPen *pen)
  88 {
  89     HPEN gdipen;
  90     REAL width;
  91     INT save_state = SaveDC(graphics->hdc), i, numdashes;
  92     GpPointF pt[2];
  93     DWORD dash_array[MAX_DASHLEN];
  94
  95     EndPath(graphics->hdc);
  96
  97     if(pen->unit == UnitPixel){
  98         width = pen->width;
  99     }
 100     else{
 101         /* Get an estimate for the amount the pen width is affected by the world
 102          * transform. (This is similar to what some of the wine drivers do.) */
 103         pt[0].X = 0.0;
 104         pt[0].Y = 0.0;
 105         pt[1].X = 1.0;
 106         pt[1].Y = 1.0;
 107         GdipTransformMatrixPoints(graphics->worldtrans, pt, 2);
 108         width = sqrt((pt[1].X - pt[0].X) * (pt[1].X - pt[0].X) +
 109                      (pt[1].Y - pt[0].Y) * (pt[1].Y - pt[0].Y)) / sqrt(2.0);
 110
 111         width *= pen->width * convert_unit(graphics->hdc,
 112                               pen->unit == UnitWorld ? graphics->unit : pen->unit);
 113     }
 114
 115     if(pen->dash == DashStyleCustom){
 116         numdashes = min(pen->numdashes, MAX_DASHLEN);
 117
 118         TRACE("dashes are: ");
 119         for(i = 0; i < numdashes; i++){
 120             dash_array[i] = roundr(width * pen->dashes[i]);
 121             TRACE("%d, ", dash_array[i]);
 122         }
 123         TRACE("\n and the pen style is %x\n", pen->style);
 124
 125         gdipen = ExtCreatePen(pen->style, roundr(width), &pen->brush->lb,
 126                               numdashes, dash_array);
 127     }
 128     else
 129         gdipen = ExtCreatePen(pen->style, roundr(width), &pen->brush->lb, 0, NULL);
 130
 131     SelectObject(graphics->hdc, gdipen);
 132
 133     return save_state;
 134 }
 135
 136 static void restore_dc(GpGraphics *graphics, INT state)
 137 {
 138     DeleteObject(SelectObject(graphics->hdc, GetStockObject(NULL_PEN)));
 139     RestoreDC(graphics->hdc, state);
 140 }
 141
 142 /* This helper applies all the changes that the points listed in ptf need in
 143  * order to be drawn on the device context.  In the end, this should include at
 144  * least:
 145  *  -scaling by page unit
 146  *  -applying world transformation
 147  *  -converting from float to int
 148  * Native gdiplus uses gdi32 to do all this (via SetMapMode, SetViewportExtEx,
 149  * SetWindowExtEx, SetWorldTransform, etc.) but we cannot because we are using
 150  * gdi to draw, and these functions would irreparably mess with line widths.
 151  */
 152 static void transform_and_round_points(GpGraphics *graphics, POINT *pti,
 153     GpPointF *ptf, INT count)
 154 {
 155     REAL unitscale;
 156     GpMatrix *matrix;
 157     int i;
 158
 159     unitscale = convert_unit(graphics->hdc, graphics->unit);
 160
 161     /* apply page scale */
 162     if(graphics->unit != UnitDisplay)
 163         unitscale *= graphics->scale;
 164
 165     GdipCloneMatrix(graphics->worldtrans, &matrix);
 166     GdipScaleMatrix(matrix, unitscale, unitscale, MatrixOrderAppend);
 167     GdipTransformMatrixPoints(matrix, ptf, count);
 168     GdipDeleteMatrix(matrix);
 169
 170     for(i = 0; i < count; i++){
 171         pti[i].x = roundr(ptf[i].X);
 172         pti[i].y = roundr(ptf[i].Y);
 173     }
 174 }
 175
 176 static ARGB blend_colors(ARGB start, ARGB end, REAL position)
 177 {
 178     ARGB result=0;
 179     ARGB i;
 180     for (i=0xff; i<=0xff0000; i = i << 8)
 181         result |= (int)((start&i)*(1.0f - position)+(end&i)*(position))&i;
 182     return result;
 183 }
 184
 185 static ARGB blend_line_gradient(GpLineGradient* brush, REAL position)
 186 {
 187     REAL blendfac;
 188
 189     /* clamp to between 0.0 and 1.0, using the wrap mode */
 190     if (brush->wrap == WrapModeTile)
 191     {
 192         position = fmodf(position, 1.0f);
 193         if (position < 0.0f) position += 1.0f;
 194     }
 195     else /* WrapModeFlip* */
 196     {
 197         position = fmodf(position, 2.0f);
 198         if (position < 0.0f) position += 2.0f;
 199         if (position > 1.0f) position = 2.0f - position;
 200     }
 201
 202     if (brush->blendcount == 1)
 203         blendfac = position;
 204     else
 205     {
 206         int i=1;
 207         REAL left_blendpos, left_blendfac, right_blendpos, right_blendfac;
 208         REAL range;
 209
 210         /* locate the blend positions surrounding this position */
 211         while (position > brush->blendpos[i])
 212             i++;
 213
 214         /* interpolate between the blend positions */
 215         left_blendpos = brush->blendpos[i-1];
 216         left_blendfac = brush->blendfac[i-1];
 217         right_blendpos = brush->blendpos[i];
 218         right_blendfac = brush->blendfac[i];
 219         range = right_blendpos - left_blendpos;
 220         blendfac = (left_blendfac * (right_blendpos - position) +
 221                     right_blendfac * (position - left_blendpos)) / range;
 222     }
 223
 224     if (brush->pblendcount == 0)
 225         return blend_colors(brush->startcolor, brush->endcolor, blendfac);
 226     else
 227     {
 228         int i=1;
 229         ARGB left_blendcolor, right_blendcolor;
 230         REAL left_blendpos, right_blendpos;
 231
 232         /* locate the blend colors surrounding this position */
 233         while (blendfac > brush->pblendpos[i])
 234             i++;
 235
 236         /* interpolate between the blend colors */
 237         left_blendpos = brush->pblendpos[i-1];
 238         left_blendcolor = brush->pblendcolor[i-1];
 239         right_blendpos = brush->pblendpos[i];
 240         right_blendcolor = brush->pblendcolor[i];
 241         blendfac = (blendfac - left_blendpos) / (right_blendpos - left_blendpos);
 242         return blend_colors(left_blendcolor, right_blendcolor, blendfac);
 243     }
 244 }
 245
 246 static void brush_fill_path(GpGraphics *graphics, GpBrush* brush)
 247 {
 248     switch (brush->bt)
 249     {
 250     case BrushTypeLinearGradient:
 251     {
 252         GpLineGradient *line = (GpLineGradient*)brush;
 253         RECT rc;
 254
 255         SelectClipPath(graphics->hdc, RGN_AND);
 256         if (GetClipBox(graphics->hdc, &rc) != NULLREGION)
 257         {
 258             GpPointF endpointsf[2];
 259             POINT endpointsi[2];
 260             POINT poly[4];
 261
 262             SelectObject(graphics->hdc, GetStockObject(NULL_PEN));
 263
 264             endpointsf[0] = line->startpoint;
 265             endpointsf[1] = line->endpoint;
 266             transform_and_round_points(graphics, endpointsi, endpointsf, 2);
 267
 268             if (abs(endpointsi[0].x-endpointsi[1].x) > abs(endpointsi[0].y-endpointsi[1].y))
 269             {
 270                 /* vertical-ish gradient */
 271                 int startx, endx; /* x co-ordinates of endpoints shifted to intersect the top of the visible rectangle */
 272                 int startbottomx; /* x co-ordinate of start point shifted to intersect the bottom of the visible rectangle */
 273                 int width;
 274                 COLORREF col;
 275                 HBRUSH hbrush, hprevbrush;
 276                 int leftx, rightx; /* x co-ordinates where the leftmost and rightmost gradient lines hit the top of the visible rectangle */
 277                 int x;
 278                 int tilt; /* horizontal distance covered by a gradient line */
 279
 280                 startx = roundr((rc.top - endpointsf[0].Y) * (endpointsf[1].Y - endpointsf[0].Y) / (endpointsf[0].X - endpointsf[1].X) + endpointsf[0].X);
 281                 endx = roundr((rc.top - endpointsf[1].Y) * (endpointsf[1].Y - endpointsf[0].Y) / (endpointsf[0].X - endpointsf[1].X) + endpointsf[1].X);
 282                 width = endx - startx;
 283                 startbottomx = roundr((rc.bottom - endpointsf[0].Y) * (endpointsf[1].Y - endpointsf[0].Y) / (endpointsf[0].X - endpointsf[1].X) + endpointsf[0].X);
 284                 tilt = startx - startbottomx;
 285
 286                 if (startx >= startbottomx)
 287                 {
 288                     leftx = rc.left;
 289                     rightx = rc.right + tilt;
 290                 }
 291                 else
 292                 {
 293                     leftx = rc.left + tilt;
 294                     rightx = rc.right;
 295                 }
 296
 297                 poly[0].y = rc.bottom;
 298                 poly[1].y = rc.top;
 299                 poly[2].y = rc.top;
 300                 poly[3].y = rc.bottom;
 301
 302                 for (x=leftx; x<=rightx; x++)
 303                 {
 304                     ARGB argb = blend_line_gradient(line, (x-startx)/(REAL)width);
 305                     col = ARGB2COLORREF(argb);
 306                     hbrush = CreateSolidBrush(col);
 307                     hprevbrush = SelectObject(graphics->hdc, hbrush);
 308                     poly[0].x = x - tilt - 1;
 309                     poly[1].x = x - 1;
 310                     poly[2].x = x;
 311                     poly[3].x = x - tilt;
 312                     Polygon(graphics->hdc, poly, 4);
 313                     SelectObject(graphics->hdc, hprevbrush);
 314                     DeleteObject(hbrush);
 315                 }
 316             }
 317             else if (endpointsi[0].y != endpointsi[1].y)
 318             {
 319                 /* horizontal-ish gradient */
 320                 int starty, endy; /* y co-ordinates of endpoints shifted to intersect the left of the visible rectangle */
 321                 int startrighty; /* y co-ordinate of start point shifted to intersect the right of the visible rectangle */
 322                 int height;
 323                 COLORREF col;
 324                 HBRUSH hbrush, hprevbrush;
 325                 int topy, bottomy; /* y co-ordinates where the topmost and bottommost gradient lines hit the left of the visible rectangle */
 326                 int y;
 327                 int tilt; /* vertical distance covered by a gradient line */
 328
 329                 starty = roundr((rc.left - endpointsf[0].X) * (endpointsf[0].X - endpointsf[1].X) / (endpointsf[1].Y - endpointsf[0].Y) + endpointsf[0].Y);
 330                 endy = roundr((rc.left - endpointsf[1].X) * (endpointsf[0].X - endpointsf[1].X) / (endpointsf[1].Y - endpointsf[0].Y) + endpointsf[1].Y);
 331                 height = endy - starty;
 332                 startrighty = roundr((rc.right - endpointsf[0].X) * (endpointsf[0].X - endpointsf[1].X) / (endpointsf[1].Y - endpointsf[0].Y) + endpointsf[0].Y);
 333                 tilt = starty - startrighty;
 334
 335                 if (starty >= startrighty)
 336                 {
 337                     topy = rc.top;
 338                     bottomy = rc.bottom + tilt;
 339                 }
 340                 else
 341                 {
 342                     topy = rc.top + tilt;
 343                     bottomy = rc.bottom;
 344                 }
 345
 346                 poly[0].x = rc.right;
 347                 poly[1].x = rc.left;
 348                 poly[2].x = rc.left;
 349                 poly[3].x = rc.right;
 350
 351                 for (y=topy; y<=bottomy; y++)
 352                 {
 353                     ARGB argb = blend_line_gradient(line, (y-starty)/(REAL)height);
 354                     col = ARGB2COLORREF(argb);
 355                     hbrush = CreateSolidBrush(col);
 356                     hprevbrush = SelectObject(graphics->hdc, hbrush);
 357                     poly[0].y = y - tilt - 1;
 358                     poly[1].y = y - 1;
 359                     poly[2].y = y;
 360                     poly[3].y = y - tilt;
 361                     Polygon(graphics->hdc, poly, 4);
 362                     SelectObject(graphics->hdc, hprevbrush);
 363                     DeleteObject(hbrush);
 364                 }
 365             }
 366             /* else startpoint == endpoint */
 367         }
 368         break;
 369     }
 370     case BrushTypeSolidColor:
 371     {
 372         GpSolidFill *fill = (GpSolidFill*)brush;
 373         if (fill->bmp)
 374         {
 375             RECT rc;
 376             /* partially transparent fill */
 377
 378             SelectClipPath(graphics->hdc, RGN_AND);
 379             if (GetClipBox(graphics->hdc, &rc) != NULLREGION)
 380             {
 381                 HDC hdc = CreateCompatibleDC(NULL);
 382                 HBITMAP oldbmp;
 383                 BLENDFUNCTION bf;
 384
 385                 if (!hdc) break;
 386
 387                 oldbmp = SelectObject(hdc, fill->bmp);
 388
 389                 bf.BlendOp = AC_SRC_OVER;
 390                 bf.BlendFlags = 0;
 391                 bf.SourceConstantAlpha = 255;
 392                 bf.AlphaFormat = AC_SRC_ALPHA;
 393
 394                 GdiAlphaBlend(graphics->hdc, rc.left, rc.top, rc.right-rc.left, rc.bottom-rc.top, hdc, 0, 0, 1, 1, bf);
 395
 396                 SelectObject(hdc, oldbmp);
 397                 DeleteDC(hdc);
 398             }
 399
 400             break;
 401         }
 402         /* else fall through */
 403     }
 404     default:
 405         SelectObject(graphics->hdc, brush->gdibrush);
 406         FillPath(graphics->hdc);
 407         break;
 408     }
 409 }
 410
 411 /* GdipDrawPie/GdipFillPie helper function */
 412 static void draw_pie(GpGraphics *graphics, REAL x, REAL y, REAL width,
 413     REAL height, REAL startAngle, REAL sweepAngle)
 414 {
 415     GpPointF ptf[4];
 416     POINT pti[4];
 417
 418     ptf[0].X = x;
 419     ptf[0].Y = y;
 420     ptf[1].X = x + width;
 421     ptf[1].Y = y + height;
 422
 423     deg2xy(startAngle+sweepAngle, x + width / 2.0, y + width / 2.0, &ptf[2].X, &ptf[2].Y);
 424     deg2xy(startAngle, x + width / 2.0, y + width / 2.0, &ptf[3].X, &ptf[3].Y);
 425
 426     transform_and_round_points(graphics, pti, ptf, 4);
 427
 428     Pie(graphics->hdc, pti[0].x, pti[0].y, pti[1].x, pti[1].y, pti[2].x,
 429         pti[2].y, pti[3].x, pti[3].y);
 430 }
 431
 432 /* Draws the linecap the specified color and size on the hdc.  The linecap is in
 433  * direction of the line from x1, y1 to x2, y2 and is anchored on x2, y2. Probably
 434  * should not be called on an hdc that has a path you care about. */
 435 static void draw_cap(GpGraphics *graphics, COLORREF color, GpLineCap cap, REAL size,
 436     const GpCustomLineCap *custom, REAL x1, REAL y1, REAL x2, REAL y2)
 437 {
 438     HGDIOBJ oldbrush = NULL, oldpen = NULL;
 439     GpMatrix *matrix = NULL;
 440     HBRUSH brush = NULL;
 441     HPEN pen = NULL;
 442     PointF ptf[4], *custptf = NULL;
 443     POINT pt[4], *custpt = NULL;
 444     BYTE *tp = NULL;
 445     REAL theta, dsmall, dbig, dx, dy = 0.0;
 446     INT i, count;
 447     LOGBRUSH lb;
 448     BOOL customstroke;
 449
 450     if((x1 == x2) && (y1 == y2))
 451         return;
 452
 453     theta = gdiplus_atan2(y2 - y1, x2 - x1);
 454
 455     customstroke = (cap == LineCapCustom) && custom && (!custom->fill);
 456     if(!customstroke){
 457         brush = CreateSolidBrush(color);
 458         lb.lbStyle = BS_SOLID;
 459         lb.lbColor = color;
 460         lb.lbHatch = 0;
 461         pen = ExtCreatePen(PS_GEOMETRIC | PS_SOLID | PS_ENDCAP_FLAT |
 462                            PS_JOIN_MITER, 1, &lb, 0,
 463                            NULL);
 464         oldbrush = SelectObject(graphics->hdc, brush);
 465         oldpen = SelectObject(graphics->hdc, pen);
 466     }
 467
 468     switch(cap){
 469         case LineCapFlat:
 470             break;
 471         case LineCapSquare:
 472         case LineCapSquareAnchor:
 473         case LineCapDiamondAnchor:
 474             size = size * (cap & LineCapNoAnchor ? ANCHOR_WIDTH : 1.0) / 2.0;
 475             if(cap == LineCapDiamondAnchor){
 476                 dsmall = cos(theta + M_PI_2) * size;
 477                 dbig = sin(theta + M_PI_2) * size;
 478             }
 479             else{
 480                 dsmall = cos(theta + M_PI_4) * size;
 481                 dbig = sin(theta + M_PI_4) * size;
 482             }
 483
 484             ptf[0].X = x2 - dsmall;
 485             ptf[1].X = x2 + dbig;
 486
 487             ptf[0].Y = y2 - dbig;
 488             ptf[3].Y = y2 + dsmall;
 489
 490             ptf[1].Y = y2 - dsmall;
 491             ptf[2].Y = y2 + dbig;
 492
 493             ptf[3].X = x2 - dbig;
 494             ptf[2].X = x2 + dsmall;
 495
 496             transform_and_round_points(graphics, pt, ptf, 4);
 497             Polygon(graphics->hdc, pt, 4);
 498
 499             break;
 500         case LineCapArrowAnchor:
 501             size = size * 4.0 / sqrt(3.0);
 502
 503             dx = cos(M_PI / 6.0 + theta) * size;
 504             dy = sin(M_PI / 6.0 + theta) * size;
 505
 506             ptf[0].X = x2 - dx;
 507             ptf[0].Y = y2 - dy;
 508
 509             dx = cos(- M_PI / 6.0 + theta) * size;
 510             dy = sin(- M_PI / 6.0 + theta) * size;
 511
 512             ptf[1].X = x2 - dx;
 513             ptf[1].Y = y2 - dy;
 514
 515             ptf[2].X = x2;
 516             ptf[2].Y = y2;
 517
 518             transform_and_round_points(graphics, pt, ptf, 3);
 519             Polygon(graphics->hdc, pt, 3);
 520
 521             break;
 522         case LineCapRoundAnchor:
 523             dx = dy = ANCHOR_WIDTH * size / 2.0;
 524
 525             ptf[0].X = x2 - dx;
 526             ptf[0].Y = y2 - dy;
 527             ptf[1].X = x2 + dx;
 528             ptf[1].Y = y2 + dy;
 529
 530             transform_and_round_points(graphics, pt, ptf, 2);
 531             Ellipse(graphics->hdc, pt[0].x, pt[0].y, pt[1].x, pt[1].y);
 532
 533             break;
 534         case LineCapTriangle:
 535             size = size / 2.0;
 536             dx = cos(M_PI_2 + theta) * size;
 537             dy = sin(M_PI_2 + theta) * size;
 538
 539             ptf[0].X = x2 - dx;
 540             ptf[0].Y = y2 - dy;
 541             ptf[1].X = x2 + dx;
 542             ptf[1].Y = y2 + dy;
 543
 544             dx = cos(theta) * size;
 545             dy = sin(theta) * size;
 546
 547             ptf[2].X = x2 + dx;
 548             ptf[2].Y = y2 + dy;
 549
 550             transform_and_round_points(graphics, pt, ptf, 3);
 551             Polygon(graphics->hdc, pt, 3);
 552
 553             break;
 554         case LineCapRound:
 555             dx = dy = size / 2.0;
 556
 557             ptf[0].X = x2 - dx;
 558             ptf[0].Y = y2 - dy;
 559             ptf[1].X = x2 + dx;
 560             ptf[1].Y = y2 + dy;
 561
 562             dx = -cos(M_PI_2 + theta) * size;
 563             dy = -sin(M_PI_2 + theta) * size;
 564
 565             ptf[2].X = x2 - dx;
 566             ptf[2].Y = y2 - dy;
 567             ptf[3].X = x2 + dx;
 568             ptf[3].Y = y2 + dy;
 569
 570             transform_and_round_points(graphics, pt, ptf, 4);
 571             Pie(graphics->hdc, pt[0].x, pt[0].y, pt[1].x, pt[1].y, pt[2].x,
 572                 pt[2].y, pt[3].x, pt[3].y);
 573
 574             break;
 575         case LineCapCustom:
 576             if(!custom)
 577                 break;
 578
 579             count = custom->pathdata.Count;
 580             custptf = GdipAlloc(count * sizeof(PointF));
 581             custpt = GdipAlloc(count * sizeof(POINT));
 582             tp = GdipAlloc(count);
 583
 584             if(!custptf || !custpt || !tp || (GdipCreateMatrix(&matrix) != Ok))
 585                 goto custend;
 586
 587             memcpy(custptf, custom->pathdata.Points, count * sizeof(PointF));
 588
 589             GdipScaleMatrix(matrix, size, size, MatrixOrderAppend);
 590             GdipRotateMatrix(matrix, (180.0 / M_PI) * (theta - M_PI_2),
 591                              MatrixOrderAppend);
 592             GdipTranslateMatrix(matrix, x2, y2, MatrixOrderAppend);
 593             GdipTransformMatrixPoints(matrix, custptf, count);
 594
 595             transform_and_round_points(graphics, custpt, custptf, count);
 596
 597             for(i = 0; i < count; i++)
 598                 tp[i] = convert_path_point_type(custom->pathdata.Types[i]);
 599
 600             if(custom->fill){
 601                 BeginPath(graphics->hdc);
 602                 PolyDraw(graphics->hdc, custpt, tp, count);
 603                 EndPath(graphics->hdc);
 604                 StrokeAndFillPath(graphics->hdc);
 605             }
 606             else
 607                 PolyDraw(graphics->hdc, custpt, tp, count);
 608
 609 custend:
 610             GdipFree(custptf);
 611             GdipFree(custpt);
 612             GdipFree(tp);
 613             GdipDeleteMatrix(matrix);
 614             break;
 615         default:
 616             break;
 617     }
 618
 619     if(!customstroke){
 620         SelectObject(graphics->hdc, oldbrush);
 621         SelectObject(graphics->hdc, oldpen);
 622         DeleteObject(brush);
 623         DeleteObject(pen);
 624     }
 625 }
 626
 627 /* Shortens the line by the given percent by changing x2, y2.
 628  * If percent is > 1.0 then the line will change direction.
 629  * If percent is negative it can lengthen the line. */
 630 static void shorten_line_percent(REAL x1, REAL  y1, REAL *x2, REAL *y2, REAL percent)
 631 {
 632     REAL dist, theta, dx, dy;
 633
 634     if((y1 == *y2) && (x1 == *x2))
 635         return;
 636
 637     dist = sqrt((*x2 - x1) * (*x2 - x1) + (*y2 - y1) * (*y2 - y1)) * -percent;
 638     theta = gdiplus_atan2((*y2 - y1), (*x2 - x1));
 639     dx = cos(theta) * dist;
 640     dy = sin(theta) * dist;
 641
 642     *x2 = *x2 + dx;
 643     *y2 = *y2 + dy;
 644 }
 645
 646 /* Shortens the line by the given amount by changing x2, y2.
 647  * If the amount is greater than the distance, the line will become length 0.
 648  * If the amount is negative, it can lengthen the line. */
 649 static void shorten_line_amt(REAL x1, REAL y1, REAL *x2, REAL *y2, REAL amt)
 650 {
 651     REAL dx, dy, percent;
 652
 653     dx = *x2 - x1;
 654     dy = *y2 - y1;
 655     if(dx == 0 && dy == 0)
 656         return;
 657
 658     percent = amt / sqrt(dx * dx + dy * dy);
 659     if(percent >= 1.0){
 660         *x2 = x1;
 661         *y2 = y1;
 662         return;
 663     }
 664
 665     shorten_line_percent(x1, y1, x2, y2, percent);
 666 }
 667
 668 /* Draws lines between the given points, and if caps is true then draws an endcap
 669  * at the end of the last line. */
 670 static GpStatus draw_polyline(GpGraphics *graphics, GpPen *pen,
 671     GDIPCONST GpPointF * pt, INT count, BOOL caps)
 672 {
 673     POINT *pti = NULL;
 674     GpPointF *ptcopy = NULL;
 675     GpStatus status = GenericError;
 676
 677     if(!count)
 678         return Ok;
 679
 680     pti = GdipAlloc(count * sizeof(POINT));
 681     ptcopy = GdipAlloc(count * sizeof(GpPointF));
 682
 683     if(!pti || !ptcopy){
 684         status = OutOfMemory;
 685         goto end;
 686     }
 687
 688     memcpy(ptcopy, pt, count * sizeof(GpPointF));
 689
 690     if(caps){
 691         if(pen->endcap == LineCapArrowAnchor)
 692             shorten_line_amt(ptcopy[count-2].X, ptcopy[count-2].Y,
 693                              &ptcopy[count-1].X, &ptcopy[count-1].Y, pen->width);
 694         else if((pen->endcap == LineCapCustom) && pen->customend)
 695             shorten_line_amt(ptcopy[count-2].X, ptcopy[count-2].Y,
 696                              &ptcopy[count-1].X, &ptcopy[count-1].Y,
 697                              pen->customend->inset * pen->width);
 698
 699         if(pen->startcap == LineCapArrowAnchor)
 700             shorten_line_amt(ptcopy[1].X, ptcopy[1].Y,
 701                              &ptcopy[0].X, &ptcopy[0].Y, pen->width);
 702         else if((pen->startcap == LineCapCustom) && pen->customstart)
 703             shorten_line_amt(ptcopy[1].X, ptcopy[1].Y,
 704                              &ptcopy[0].X, &ptcopy[0].Y,
 705                              pen->customstart->inset * pen->width);
 706
 707         draw_cap(graphics, pen->brush->lb.lbColor, pen->endcap, pen->width, pen->customend,
 708                  pt[count - 2].X, pt[count - 2].Y, pt[count - 1].X, pt[count - 1].Y);
 709         draw_cap(graphics, pen->brush->lb.lbColor, pen->startcap, pen->width, pen->customstart,
 710                          pt[1].X, pt[1].Y, pt[0].X, pt[0].Y);
 711     }
 712
 713     transform_and_round_points(graphics, pti, ptcopy, count);
 714
 715     if(Polyline(graphics->hdc, pti, count))
 716         status = Ok;
 717
 718 end:
 719     GdipFree(pti);
 720     GdipFree(ptcopy);
 721
 722     return status;
 723 }
 724
 725 /* Conducts a linear search to find the bezier points that will back off
 726  * the endpoint of the curve by a distance of amt. Linear search works
 727  * better than binary in this case because there are multiple solutions,
 728  * and binary searches often find a bad one. I don't think this is what
 729  * Windows does but short of rendering the bezier without GDI's help it's
 730  * the best we can do. If rev then work from the start of the passed points
 731  * instead of the end. */
 732 static void shorten_bezier_amt(GpPointF * pt, REAL amt, BOOL rev)
 733 {
 734     GpPointF origpt[4];
 735     REAL percent = 0.00, dx, dy, origx, origy, diff = -1.0;
 736     INT i, first = 0, second = 1, third = 2, fourth = 3;
 737
 738     if(rev){
 739         first = 3;
 740         second = 2;
 741         third = 1;
 742         fourth = 0;
 743     }
 744
 745     origx = pt[fourth].X;
 746     origy = pt[fourth].Y;
 747     memcpy(origpt, pt, sizeof(GpPointF) * 4);
 748
 749     for(i = 0; (i < MAX_ITERS) && (diff < amt); i++){
 750         /* reset bezier points to original values */
 751         memcpy(pt, origpt, sizeof(GpPointF) * 4);
 752         /* Perform magic on bezier points. Order is important here.*/
 753         shorten_line_percent(pt[third].X, pt[third].Y, &pt[fourth].X, &pt[fourth].Y, percent);
 754         shorten_line_percent(pt[second].X, pt[second].Y, &pt[third].X, &pt[third].Y, percent);
 755         shorten_line_percent(pt[third].X, pt[third].Y, &pt[fourth].X, &pt[fourth].Y, percent);
 756         shorten_line_percent(pt[first].X, pt[first].Y, &pt[second].X, &pt[second].Y, percent);
 757         shorten_line_percent(pt[second].X, pt[second].Y, &pt[third].X, &pt[third].Y, percent);
 758         shorten_line_percent(pt[third].X, pt[third].Y, &pt[fourth].X, &pt[fourth].Y, percent);
 759
 760         dx = pt[fourth].X - origx;
 761         dy = pt[fourth].Y - origy;
 762
 763         diff = sqrt(dx * dx + dy * dy);
 764         percent += 0.0005 * amt;
 765     }
 766 }
 767
 768 /* Draws bezier curves between given points, and if caps is true then draws an
 769  * endcap at the end of the last line. */
 770 static GpStatus draw_polybezier(GpGraphics *graphics, GpPen *pen,
 771     GDIPCONST GpPointF * pt, INT count, BOOL caps)
 772 {
 773     POINT *pti;
 774     GpPointF *ptcopy;
 775     GpStatus status = GenericError;
 776
 777     if(!count)
 778         return Ok;
 779
 780     pti = GdipAlloc(count * sizeof(POINT));
 781     ptcopy = GdipAlloc(count * sizeof(GpPointF));
 782
 783     if(!pti || !ptcopy){
 784         status = OutOfMemory;
 785         goto end;
 786     }
 787
 788     memcpy(ptcopy, pt, count * sizeof(GpPointF));
 789
 790     if(caps){
 791         if(pen->endcap == LineCapArrowAnchor)
 792             shorten_bezier_amt(&ptcopy[count-4], pen->width, FALSE);
 793         else if((pen->endcap == LineCapCustom) && pen->customend)
 794             shorten_bezier_amt(&ptcopy[count-4], pen->width * pen->customend->inset,
 795                                FALSE);
 796
 797         if(pen->startcap == LineCapArrowAnchor)
 798             shorten_bezier_amt(ptcopy, pen->width, TRUE);
 799         else if((pen->startcap == LineCapCustom) && pen->customstart)
 800             shorten_bezier_amt(ptcopy, pen->width * pen->customstart->inset, TRUE);
 801
 802         /* the direction of the line cap is parallel to the direction at the
 803          * end of the bezier (which, if it has been shortened, is not the same
 804          * as the direction from pt[count-2] to pt[count-1]) */
 805         draw_cap(graphics, pen->brush->lb.lbColor, pen->endcap, pen->width, pen->customend,
 806             pt[count - 1].X - (ptcopy[count - 1].X - ptcopy[count - 2].X),
 807             pt[count - 1].Y - (ptcopy[count - 1].Y - ptcopy[count - 2].Y),
 808             pt[count - 1].X, pt[count - 1].Y);
 809
 810         draw_cap(graphics, pen->brush->lb.lbColor, pen->startcap, pen->width, pen->customstart,
 811             pt[0].X - (ptcopy[0].X - ptcopy[1].X),
 812             pt[0].Y - (ptcopy[0].Y - ptcopy[1].Y), pt[0].X, pt[0].Y);
 813     }
 814
 815     transform_and_round_points(graphics, pti, ptcopy, count);
 816
 817     PolyBezier(graphics->hdc, pti, count);
 818
 819     status = Ok;
 820
 821 end:
 822     GdipFree(pti);
 823     GdipFree(ptcopy);
 824
 825     return status;
 826 }
 827
 828 /* Draws a combination of bezier curves and lines between points. */
 829 static GpStatus draw_poly(GpGraphics *graphics, GpPen *pen, GDIPCONST GpPointF * pt,
 830     GDIPCONST BYTE * types, INT count, BOOL caps)
 831 {
 832     POINT *pti = GdipAlloc(count * sizeof(POINT));
 833     BYTE *tp = GdipAlloc(count);
 834     GpPointF *ptcopy = GdipAlloc(count * sizeof(GpPointF));
 835     INT i, j;
 836     GpStatus status = GenericError;
 837
 838     if(!count){
 839         status = Ok;
 840         goto end;
 841     }
 842     if(!pti || !tp || !ptcopy){
 843         status = OutOfMemory;
 844         goto end;
 845     }
 846
 847     for(i = 1; i < count; i++){
 848         if((types[i] & PathPointTypePathTypeMask) == PathPointTypeBezier){
 849             if((i + 2 >= count) || !(types[i + 1] & PathPointTypeBezier)
 850                 || !(types[i + 1] & PathPointTypeBezier)){
 851                 ERR("Bad bezier points\n");
 852                 goto end;
 853             }
 854             i += 2;
 855         }
 856     }
 857
 858     memcpy(ptcopy, pt, count * sizeof(GpPointF));
 859
 860     /* If we are drawing caps, go through the points and adjust them accordingly,
 861      * and draw the caps. */
 862     if(caps){
 863         switch(types[count - 1] & PathPointTypePathTypeMask){
 864             case PathPointTypeBezier:
 865                 if(pen->endcap == LineCapArrowAnchor)
 866                     shorten_bezier_amt(&ptcopy[count - 4], pen->width, FALSE);
 867                 else if((pen->endcap == LineCapCustom) && pen->customend)
 868                     shorten_bezier_amt(&ptcopy[count - 4],
 869                                        pen->width * pen->customend->inset, FALSE);
 870
 871                 draw_cap(graphics, pen->brush->lb.lbColor, pen->endcap, pen->width, pen->customend,
 872                     pt[count - 1].X - (ptcopy[count - 1].X - ptcopy[count - 2].X),
 873                     pt[count - 1].Y - (ptcopy[count - 1].Y - ptcopy[count - 2].Y),
 874                     pt[count - 1].X, pt[count - 1].Y);
 875
 876                 break;
 877             case PathPointTypeLine:
 878                 if(pen->endcap == LineCapArrowAnchor)
 879                     shorten_line_amt(ptcopy[count - 2].X, ptcopy[count - 2].Y,
 880                                      &ptcopy[count - 1].X, &ptcopy[count - 1].Y,
 881                                      pen->width);
 882                 else if((pen->endcap == LineCapCustom) && pen->customend)
 883                     shorten_line_amt(ptcopy[count - 2].X, ptcopy[count - 2].Y,
 884                                      &ptcopy[count - 1].X, &ptcopy[count - 1].Y,
 885                                      pen->customend->inset * pen->width);
 886
 887                 draw_cap(graphics, pen->brush->lb.lbColor, pen->endcap, pen->width, pen->customend,
 888                          pt[count - 2].X, pt[count - 2].Y, pt[count - 1].X,
 889                          pt[count - 1].Y);
 890
 891                 break;
 892             default:
 893                 ERR("Bad path last point\n");
 894                 goto end;
 895         }
 896
 897         /* Find start of points */
 898         for(j = 1; j < count && ((types[j] & PathPointTypePathTypeMask)
 899             == PathPointTypeStart); j++);
 900
 901         switch(types[j] & PathPointTypePathTypeMask){
 902             case PathPointTypeBezier:
 903                 if(pen->startcap == LineCapArrowAnchor)
 904                     shorten_bezier_amt(&ptcopy[j - 1], pen->width, TRUE);
 905                 else if((pen->startcap == LineCapCustom) && pen->customstart)
 906                     shorten_bezier_amt(&ptcopy[j - 1],
 907                                        pen->width * pen->customstart->inset, TRUE);
 908
 909                 draw_cap(graphics, pen->brush->lb.lbColor, pen->startcap, pen->width, pen->customstart,
 910                     pt[j - 1].X - (ptcopy[j - 1].X - ptcopy[j].X),
 911                     pt[j - 1].Y - (ptcopy[j - 1].Y - ptcopy[j].Y),
 912                     pt[j - 1].X, pt[j - 1].Y);
 913
 914                 break;
 915             case PathPointTypeLine:
 916                 if(pen->startcap == LineCapArrowAnchor)
 917                     shorten_line_amt(ptcopy[j].X, ptcopy[j].Y,
 918                                      &ptcopy[j - 1].X, &ptcopy[j - 1].Y,
 919                                      pen->width);
 920                 else if((pen->startcap == LineCapCustom) && pen->customstart)
 921                     shorten_line_amt(ptcopy[j].X, ptcopy[j].Y,
 922                                      &ptcopy[j - 1].X, &ptcopy[j - 1].Y,
 923                                      pen->customstart->inset * pen->width);
 924
 925                 draw_cap(graphics, pen->brush->lb.lbColor, pen->startcap, pen->width, pen->customstart,
 926                          pt[j].X, pt[j].Y, pt[j - 1].X,
 927                          pt[j - 1].Y);
 928
 929                 break;
 930             default:
 931                 ERR("Bad path points\n");
 932                 goto end;
 933         }
 934     }
 935
 936     transform_and_round_points(graphics, pti, ptcopy, count);
 937
 938     for(i = 0; i < count; i++){
 939         tp[i] = convert_path_point_type(types[i]);
 940     }
 941
 942     PolyDraw(graphics->hdc, pti, tp, count);
 943
 944     status = Ok;
 945
 946 end:
 947     GdipFree(pti);
 948     GdipFree(ptcopy);
 949     GdipFree(tp);
 950
 951     return status;
 952 }
 953
 954 GpStatus trace_path(GpGraphics *graphics, GpPath *path)
 955 {
 956     GpStatus result;
 957
 958     BeginPath(graphics->hdc);
 959     result = draw_poly(graphics, NULL, path->pathdata.Points,
 960                        path->pathdata.Types, path->pathdata.Count, FALSE);
 961     EndPath(graphics->hdc);
 962     return result;
 963 }
 964
 965 typedef struct _GraphicsContainerItem {
 966     struct list entry;
 967     GraphicsContainer contid;
 968
 969     SmoothingMode smoothing;
 970     CompositingQuality compqual;
 971     InterpolationMode interpolation;
 972     CompositingMode compmode;
 973     TextRenderingHint texthint;
 974     REAL scale;
 975     GpUnit unit;
 976     PixelOffsetMode pixeloffset;
 977     UINT textcontrast;
 978     GpMatrix* worldtrans;
 979     GpRegion* clip;
 980 } GraphicsContainerItem;
 981
 982 static GpStatus init_container(GraphicsContainerItem** container,
 983         GDIPCONST GpGraphics* graphics){
 984     GpStatus sts;
 985
 986     *container = GdipAlloc(sizeof(GraphicsContainerItem));
 987     if(!(*container))
 988         return OutOfMemory;
 989
 990     (*container)->contid = graphics->contid + 1;
 991
 992     (*container)->smoothing = graphics->smoothing;
 993     (*container)->compqual = graphics->compqual;
 994     (*container)->interpolation = graphics->interpolation;
 995     (*container)->compmode = graphics->compmode;
 996     (*container)->texthint = graphics->texthint;
 997     (*container)->scale = graphics->scale;
 998     (*container)->unit = graphics->unit;
 999     (*container)->textcontrast = graphics->textcontrast;
1000     (*container)->pixeloffset = graphics->pixeloffset;
1001
1002     sts = GdipCloneMatrix(graphics->worldtrans, &(*container)->worldtrans);
1003     if(sts != Ok){
1004         GdipFree(*container);
1005         *container = NULL;
1006         return sts;
1007     }
1008
1009     sts = GdipCloneRegion(graphics->clip, &(*container)->clip);
1010     if(sts != Ok){
1011         GdipDeleteMatrix((*container)->worldtrans);
1012         GdipFree(*container);
1013         *container = NULL;
1014         return sts;
1015     }
1016
1017     return Ok;
1018 }
1019
1020 static void delete_container(GraphicsContainerItem* container){
1021     GdipDeleteMatrix(container->worldtrans);
1022     GdipDeleteRegion(container->clip);
1023     GdipFree(container);
1024 }
1025
1026 static GpStatus restore_container(GpGraphics* graphics,
1027         GDIPCONST GraphicsContainerItem* container){
1028     GpStatus sts;
1029     GpMatrix *newTrans;
1030     GpRegion *newClip;
1031
1032     sts = GdipCloneMatrix(container->worldtrans, &newTrans);
1033     if(sts != Ok)
1034         return sts;
1035
1036     sts = GdipCloneRegion(container->clip, &newClip);
1037     if(sts != Ok){
1038         GdipDeleteMatrix(newTrans);
1039         return sts;
1040     }
1041
1042     GdipDeleteMatrix(graphics->worldtrans);
1043     graphics->worldtrans = newTrans;
1044
1045     GdipDeleteRegion(graphics->clip);
1046     graphics->clip = newClip;
1047
1048     graphics->contid = container->contid - 1;
1049
1050     graphics->smoothing = container->smoothing;
1051     graphics->compqual = container->compqual;
1052     graphics->interpolation = container->interpolation;
1053     graphics->compmode = container->compmode;
1054     graphics->texthint = container->texthint;
1055     graphics->scale = container->scale;
1056     graphics->unit = container->unit;
1057     graphics->textcontrast = container->textcontrast;
1058     graphics->pixeloffset = container->pixeloffset;
1059
1060     return Ok;
1061 }
1062
1063 static GpStatus get_graphics_bounds(GpGraphics* graphics, GpRectF* rect)
1064 {
1065     RECT wnd_rect;
1066
1067     if(graphics->hwnd) {
1068         if(!GetClientRect(graphics->hwnd, &wnd_rect))
1069             return GenericError;
1070
1071         rect->X = wnd_rect.left;
1072         rect->Y = wnd_rect.top;
1073         rect->Width = wnd_rect.right - wnd_rect.left;
1074         rect->Height = wnd_rect.bottom - wnd_rect.top;
1075     }else{
1076         rect->X = 0;
1077         rect->Y = 0;
1078         rect->Width = GetDeviceCaps(graphics->hdc, HORZRES);
1079         rect->Height = GetDeviceCaps(graphics->hdc, VERTRES);
1080     }
1081
1082     return Ok;
1083 }
1084
1085 /* on success, rgn will contain the region of the graphics object which
1086  * is visible after clipping has been applied */
1087 static GpStatus get_visible_clip_region(GpGraphics *graphics, GpRegion *rgn)
1088 {
1089     GpStatus stat;
1090     GpRectF rectf;
1091     GpRegion* tmp;
1092
1093     if((stat = get_graphics_bounds(graphics, &rectf)) != Ok)
1094         return stat;
1095
1096     if((stat = GdipCreateRegion(&tmp)) != Ok)
1097         return stat;
1098
1099     if((stat = GdipCombineRegionRect(tmp, &rectf, CombineModeReplace)) != Ok)
1100         goto end;
1101
1102     if((stat = GdipCombineRegionRegion(tmp, graphics->clip, CombineModeIntersect)) != Ok)
1103         goto end;
1104
1105     stat = GdipCombineRegionRegion(rgn, tmp, CombineModeReplace);
1106
1107 end:
1108     GdipDeleteRegion(tmp);
1109     return stat;
1110 }
1111
1112 GpStatus WINGDIPAPI GdipCreateFromHDC(HDC hdc, GpGraphics **graphics)
1113 {
1114     TRACE("(%p, %p)\n", hdc, graphics);
1115
1116     return GdipCreateFromHDC2(hdc, NULL, graphics);
1117 }
1118
1119 GpStatus WINGDIPAPI GdipCreateFromHDC2(HDC hdc, HANDLE hDevice, GpGraphics **graphics)
1120 {
1121     GpStatus retval;
1122
1123     TRACE("(%p, %p, %p)\n", hdc, hDevice, graphics);
1124
1125     if(hDevice != NULL) {
1126         FIXME("Don't know how to handle parameter hDevice\n");
1127         return NotImplemented;
1128     }
1129
1130     if(hdc == NULL)
1131         return OutOfMemory;
1132
1133     if(graphics == NULL)
1134         return InvalidParameter;
1135
1136     *graphics = GdipAlloc(sizeof(GpGraphics));
1137     if(!*graphics)  return OutOfMemory;
1138
1139     if((retval = GdipCreateMatrix(&(*graphics)->worldtrans)) != Ok){
1140         GdipFree(*graphics);
1141         return retval;
1142     }
1143
1144     if((retval = GdipCreateRegion(&(*graphics)->clip)) != Ok){
1145         GdipFree((*graphics)->worldtrans);
1146         GdipFree(*graphics);
1147         return retval;
1148     }
1149
1150     (*graphics)->hdc = hdc;
1151     (*graphics)->hwnd = WindowFromDC(hdc);
1152     (*graphics)->owndc = FALSE;
1153     (*graphics)->smoothing = SmoothingModeDefault;
1154     (*graphics)->compqual = CompositingQualityDefault;
1155     (*graphics)->interpolation = InterpolationModeDefault;
1156     (*graphics)->pixeloffset = PixelOffsetModeDefault;
1157     (*graphics)->compmode = CompositingModeSourceOver;
1158     (*graphics)->unit = UnitDisplay;
1159     (*graphics)->scale = 1.0;
1160     (*graphics)->busy = FALSE;
1161     (*graphics)->textcontrast = 4;
1162     list_init(&(*graphics)->containers);
1163     (*graphics)->contid = 0;
1164
1165     TRACE("<-- %p\n", *graphics);
1166
1167     return Ok;
1168 }
1169
1170 GpStatus WINGDIPAPI GdipCreateFromHWND(HWND hwnd, GpGraphics **graphics)
1171 {
1172     GpStatus ret;
1173     HDC hdc;
1174
1175     TRACE("(%p, %p)\n", hwnd, graphics);
1176
1177     hdc = GetDC(hwnd);
1178
1179     if((ret = GdipCreateFromHDC(hdc, graphics)) != Ok)
1180     {
1181         ReleaseDC(hwnd, hdc);
1182         return ret;
1183     }
1184
1185     (*graphics)->hwnd = hwnd;
1186     (*graphics)->owndc = TRUE;
1187
1188     return Ok;
1189 }
1190
1191 /* FIXME: no icm handling */
1192 GpStatus WINGDIPAPI GdipCreateFromHWNDICM(HWND hwnd, GpGraphics **graphics)
1193 {
1194     TRACE("(%p, %p)\n", hwnd, graphics);
1195
1196     return GdipCreateFromHWND(hwnd, graphics);
1197 }
1198
1199 GpStatus WINGDIPAPI GdipCreateMetafileFromEmf(HENHMETAFILE hemf, BOOL delete,
1200     GpMetafile **metafile)
1201 {
1202     static int calls;
1203
1204     TRACE("(%p,%i,%p)\n", hemf, delete, metafile);
1205
1206     if(!hemf || !metafile)
1207         return InvalidParameter;
1208
1209     if(!(calls++))
1210         FIXME("not implemented\n");
1211
1212     return NotImplemented;
1213 }
1214
1215 GpStatus WINGDIPAPI GdipCreateMetafileFromWmf(HMETAFILE hwmf, BOOL delete,
1216     GDIPCONST WmfPlaceableFileHeader * placeable, GpMetafile **metafile)
1217 {
1218     IStream *stream = NULL;
1219     UINT read;
1220     BYTE* copy;
1221     HENHMETAFILE hemf;
1222     GpStatus retval = Ok;
1223
1224     TRACE("(%p, %d, %p, %p)\n", hwmf, delete, placeable, metafile);
1225
1226     if(!hwmf || !metafile || !placeable)
1227         return InvalidParameter;
1228
1229     *metafile = NULL;
1230     read = GetMetaFileBitsEx(hwmf, 0, NULL);
1231     if(!read)
1232         return GenericError;
1233     copy = GdipAlloc(read);
1234     GetMetaFileBitsEx(hwmf, read, copy);
1235
1236     hemf = SetWinMetaFileBits(read, copy, NULL, NULL);
1237     GdipFree(copy);
1238
1239     read = GetEnhMetaFileBits(hemf, 0, NULL);
1240     copy = GdipAlloc(read);
1241     GetEnhMetaFileBits(hemf, read, copy);
1242     DeleteEnhMetaFile(hemf);
1243
1244     if(CreateStreamOnHGlobal(copy, TRUE, &stream) != S_OK){
1245         ERR("could not make stream\n");
1246         GdipFree(copy);
1247         retval = GenericError;
1248         goto err;
1249     }
1250
1251     *metafile = GdipAlloc(sizeof(GpMetafile));
1252     if(!*metafile){
1253         retval = OutOfMemory;
1254         goto err;
1255     }
1256
1257     if(OleLoadPicture(stream, 0, FALSE, &IID_IPicture,
1258         (LPVOID*) &((*metafile)->image.picture)) != S_OK)
1259     {
1260         retval = GenericError;
1261         goto err;
1262     }
1263
1264
1265     (*metafile)->image.type = ImageTypeMetafile;
1266     memcpy(&(*metafile)->image.format, &ImageFormatWMF, sizeof(GUID));
1267     (*metafile)->image.palette_flags = 0;
1268     (*metafile)->image.palette_count = 0;
1269     (*metafile)->image.palette_size = 0;
1270     (*metafile)->image.palette_entries = NULL;
1271     (*metafile)->image.xres = (REAL)placeable->Inch;
1272     (*metafile)->image.yres = (REAL)placeable->Inch;
1273     (*metafile)->bounds.X = ((REAL) placeable->BoundingBox.Left) / ((REAL) placeable->Inch);
1274     (*metafile)->bounds.Y = ((REAL) placeable->BoundingBox.Top) / ((REAL) placeable->Inch);
1275     (*metafile)->bounds.Width = ((REAL) (placeable->BoundingBox.Right
1276                     - placeable->BoundingBox.Left)) / ((REAL) placeable->Inch);
1277     (*metafile)->bounds.Height = ((REAL) (placeable->BoundingBox.Bottom
1278                    - placeable->BoundingBox.Top)) / ((REAL) placeable->Inch);
1279     (*metafile)->unit = UnitInch;
1280
1281     if(delete)
1282         DeleteMetaFile(hwmf);
1283
1284     TRACE("<-- %p\n", *metafile);
1285
1286 err:
1287     if (retval != Ok)
1288         GdipFree(*metafile);
1289     IStream_Release(stream);
1290     return retval;
1291 }
1292
1293 GpStatus WINGDIPAPI GdipCreateMetafileFromWmfFile(GDIPCONST WCHAR *file,
1294     GDIPCONST WmfPlaceableFileHeader * placeable, GpMetafile **metafile)
1295 {
1296     HMETAFILE hmf = GetMetaFileW(file);
1297
1298     TRACE("(%s, %p, %p)\n", debugstr_w(file), placeable, metafile);
1299
1300     if(!hmf) return InvalidParameter;
1301
1302     return GdipCreateMetafileFromWmf(hmf, TRUE, placeable, metafile);
1303 }
1304
1305 GpStatus WINGDIPAPI GdipCreateMetafileFromFile(GDIPCONST WCHAR *file,
1306     GpMetafile **metafile)
1307 {
1308     FIXME("(%p, %p): stub\n", file, metafile);
1309     return NotImplemented;
1310 }
1311
1312 GpStatus WINGDIPAPI GdipCreateMetafileFromStream(IStream *stream,
1313     GpMetafile **metafile)
1314 {
1315     FIXME("(%p, %p): stub\n", stream, metafile);
1316     return NotImplemented;
1317 }
1318
1319 GpStatus WINGDIPAPI GdipCreateStreamOnFile(GDIPCONST WCHAR * filename,
1320     UINT access, IStream **stream)
1321 {
1322     DWORD dwMode;
1323     HRESULT ret;
1324
1325     TRACE("(%s, %u, %p)\n", debugstr_w(filename), access, stream);
1326
1327     if(!stream || !filename)
1328         return InvalidParameter;
1329
1330     if(access & GENERIC_WRITE)
1331         dwMode = STGM_SHARE_DENY_WRITE | STGM_WRITE | STGM_CREATE;
1332     else if(access & GENERIC_READ)
1333         dwMode = STGM_SHARE_DENY_WRITE | STGM_READ | STGM_FAILIFTHERE;
1334     else
1335         return InvalidParameter;
1336
1337     ret = SHCreateStreamOnFileW(filename, dwMode, stream);
1338
1339     return hresult_to_status(ret);
1340 }
1341
1342 GpStatus WINGDIPAPI GdipDeleteGraphics(GpGraphics *graphics)
1343 {
1344     GraphicsContainerItem *cont, *next;
1345     TRACE("(%p)\n", graphics);
1346
1347     if(!graphics) return InvalidParameter;
1348     if(graphics->busy) return ObjectBusy;
1349
1350     if(graphics->owndc)
1351         ReleaseDC(graphics->hwnd, graphics->hdc);
1352
1353     LIST_FOR_EACH_ENTRY_SAFE(cont, next, &graphics->containers, GraphicsContainerItem, entry){
1354         list_remove(&cont->entry);
1355         delete_container(cont);
1356     }
1357
1358     GdipDeleteRegion(graphics->clip);
1359     GdipDeleteMatrix(graphics->worldtrans);
1360     GdipFree(graphics);
1361
1362     return Ok;
1363 }
1364
1365 GpStatus WINGDIPAPI GdipDrawArc(GpGraphics *graphics, GpPen *pen, REAL x,
1366     REAL y, REAL width, REAL height, REAL startAngle, REAL sweepAngle)
1367 {
1368     INT save_state, num_pts;
1369     GpPointF points[MAX_ARC_PTS];
1370     GpStatus retval;
1371
1372     TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x, y,
1373           width, height, startAngle, sweepAngle);
1374
1375     if(!graphics || !pen || width <= 0 || height <= 0)
1376         return InvalidParameter;
1377
1378     if(graphics->busy)
1379         return ObjectBusy;
1380
1381     num_pts = arc2polybezier(points, x, y, width, height, startAngle, sweepAngle);
1382
1383     save_state = prepare_dc(graphics, pen);
1384
1385     retval = draw_polybezier(graphics, pen, points, num_pts, TRUE);
1386
1387     restore_dc(graphics, save_state);
1388
1389     return retval;
1390 }
1391
1392 GpStatus WINGDIPAPI GdipDrawArcI(GpGraphics *graphics, GpPen *pen, INT x,
1393     INT y, INT width, INT height, REAL startAngle, REAL sweepAngle)
1394 {
1395     TRACE("(%p, %p, %d, %d, %d, %d, %.2f, %.2f)\n", graphics, pen, x, y,
1396           width, height, startAngle, sweepAngle);
1397
1398     return GdipDrawArc(graphics,pen,(REAL)x,(REAL)y,(REAL)width,(REAL)height,startAngle,sweepAngle);
1399 }
1400
1401 GpStatus WINGDIPAPI GdipDrawBezier(GpGraphics *graphics, GpPen *pen, REAL x1,
1402     REAL y1, REAL x2, REAL y2, REAL x3, REAL y3, REAL x4, REAL y4)
1403 {
1404     INT save_state;
1405     GpPointF pt[4];
1406     GpStatus retval;
1407
1408     TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x1, y1,
1409           x2, y2, x3, y3, x4, y4);
1410
1411     if(!graphics || !pen)
1412         return InvalidParameter;
1413
1414     if(graphics->busy)
1415         return ObjectBusy;
1416
1417     pt[0].X = x1;
1418     pt[0].Y = y1;
1419     pt[1].X = x2;
1420     pt[1].Y = y2;
1421     pt[2].X = x3;
1422     pt[2].Y = y3;
1423     pt[3].X = x4;
1424     pt[3].Y = y4;
1425
1426     save_state = prepare_dc(graphics, pen);
1427
1428     retval = draw_polybezier(graphics, pen, pt, 4, TRUE);
1429
1430     restore_dc(graphics, save_state);
1431
1432     return retval;
1433 }
1434
1435 GpStatus WINGDIPAPI GdipDrawBezierI(GpGraphics *graphics, GpPen *pen, INT x1,
1436     INT y1, INT x2, INT y2, INT x3, INT y3, INT x4, INT y4)
1437 {
1438     INT save_state;
1439     GpPointF pt[4];
1440     GpStatus retval;
1441
1442     TRACE("(%p, %p, %d, %d, %d, %d, %d, %d, %d, %d)\n", graphics, pen, x1, y1,
1443           x2, y2, x3, y3, x4, y4);
1444
1445     if(!graphics || !pen)
1446         return InvalidParameter;
1447
1448     if(graphics->busy)
1449         return ObjectBusy;
1450
1451     pt[0].X = x1;
1452     pt[0].Y = y1;
1453     pt[1].X = x2;
1454     pt[1].Y = y2;
1455     pt[2].X = x3;
1456     pt[2].Y = y3;
1457     pt[3].X = x4;
1458     pt[3].Y = y4;
1459
1460     save_state = prepare_dc(graphics, pen);
1461
1462     retval = draw_polybezier(graphics, pen, pt, 4, TRUE);
1463
1464     restore_dc(graphics, save_state);
1465
1466     return retval;
1467 }
1468
1469 GpStatus WINGDIPAPI GdipDrawBeziers(GpGraphics *graphics, GpPen *pen,
1470     GDIPCONST GpPointF *points, INT count)
1471 {
1472     INT i;
1473     GpStatus ret;
1474
1475     TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
1476
1477     if(!graphics || !pen || !points || (count <= 0))
1478         return InvalidParameter;
1479
1480     if(graphics->busy)
1481         return ObjectBusy;
1482
1483     for(i = 0; i < floor(count / 4); i++){
1484         ret = GdipDrawBezier(graphics, pen,
1485                              points[4*i].X, points[4*i].Y,
1486                              points[4*i + 1].X, points[4*i + 1].Y,
1487                              points[4*i + 2].X, points[4*i + 2].Y,
1488                              points[4*i + 3].X, points[4*i + 3].Y);
1489         if(ret != Ok)
1490             return ret;
1491     }
1492
1493     return Ok;
1494 }
1495
1496 GpStatus WINGDIPAPI GdipDrawBeziersI(GpGraphics *graphics, GpPen *pen,
1497     GDIPCONST GpPoint *points, INT count)
1498 {
1499     GpPointF *pts;
1500     GpStatus ret;
1501     INT i;
1502
1503     TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
1504
1505     if(!graphics || !pen || !points || (count <= 0))
1506         return InvalidParameter;
1507
1508     if(graphics->busy)
1509         return ObjectBusy;
1510
1511     pts = GdipAlloc(sizeof(GpPointF) * count);
1512     if(!pts)
1513         return OutOfMemory;
1514
1515     for(i = 0; i < count; i++){
1516         pts[i].X = (REAL)points[i].X;
1517         pts[i].Y = (REAL)points[i].Y;
1518     }
1519
1520     ret = GdipDrawBeziers(graphics,pen,pts,count);
1521
1522     GdipFree(pts);
1523
1524     return ret;
1525 }
1526
1527 GpStatus WINGDIPAPI GdipDrawClosedCurve(GpGraphics *graphics, GpPen *pen,
1528     GDIPCONST GpPointF *points, INT count)
1529 {
1530     TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
1531
1532     return GdipDrawClosedCurve2(graphics, pen, points, count, 1.0);
1533 }
1534
1535 GpStatus WINGDIPAPI GdipDrawClosedCurveI(GpGraphics *graphics, GpPen *pen,
1536     GDIPCONST GpPoint *points, INT count)
1537 {
1538     TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
1539
1540     return GdipDrawClosedCurve2I(graphics, pen, points, count, 1.0);
1541 }
1542
1543 GpStatus WINGDIPAPI GdipDrawClosedCurve2(GpGraphics *graphics, GpPen *pen,
1544     GDIPCONST GpPointF *points, INT count, REAL tension)
1545 {
1546     GpPath *path;
1547     GpStatus stat;
1548
1549     TRACE("(%p, %p, %p, %d, %.2f)\n", graphics, pen, points, count, tension);
1550
1551     if(!graphics || !pen || !points || count <= 0)
1552         return InvalidParameter;
1553
1554     if(graphics->busy)
1555         return ObjectBusy;
1556
1557     if((stat = GdipCreatePath(FillModeAlternate, &path)) != Ok)
1558         return stat;
1559
1560     stat = GdipAddPathClosedCurve2(path, points, count, tension);
1561     if(stat != Ok){
1562         GdipDeletePath(path);
1563         return stat;
1564     }
1565
1566     stat = GdipDrawPath(graphics, pen, path);
1567
1568     GdipDeletePath(path);
1569
1570     return stat;
1571 }
1572
1573 GpStatus WINGDIPAPI GdipDrawClosedCurve2I(GpGraphics *graphics, GpPen *pen,
1574     GDIPCONST GpPoint *points, INT count, REAL tension)
1575 {
1576     GpPointF *ptf;
1577     GpStatus stat;
1578     INT i;
1579
1580     TRACE("(%p, %p, %p, %d, %.2f)\n", graphics, pen, points, count, tension);
1581
1582     if(!points || count <= 0)
1583         return InvalidParameter;
1584
1585     ptf = GdipAlloc(sizeof(GpPointF)*count);
1586     if(!ptf)
1587         return OutOfMemory;
1588
1589     for(i = 0; i < count; i++){
1590         ptf[i].X = (REAL)points[i].X;
1591         ptf[i].Y = (REAL)points[i].Y;
1592     }
1593
1594     stat = GdipDrawClosedCurve2(graphics, pen, ptf, count, tension);
1595
1596     GdipFree(ptf);
1597
1598     return stat;
1599 }
1600
1601 GpStatus WINGDIPAPI GdipDrawCurve(GpGraphics *graphics, GpPen *pen,
1602     GDIPCONST GpPointF *points, INT count)
1603 {
1604     TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
1605
1606     return GdipDrawCurve2(graphics,pen,points,count,1.0);
1607 }
1608
1609 GpStatus WINGDIPAPI GdipDrawCurveI(GpGraphics *graphics, GpPen *pen,
1610     GDIPCONST GpPoint *points, INT count)
1611 {
1612     GpPointF *pointsF;
1613     GpStatus ret;
1614     INT i;
1615
1616     TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
1617
1618     if(!points)
1619         return InvalidParameter;
1620
1621     pointsF = GdipAlloc(sizeof(GpPointF)*count);
1622     if(!pointsF)
1623         return OutOfMemory;
1624
1625     for(i = 0; i < count; i++){
1626         pointsF[i].X = (REAL)points[i].X;
1627         pointsF[i].Y = (REAL)points[i].Y;
1628     }
1629
1630     ret = GdipDrawCurve(graphics,pen,pointsF,count);
1631     GdipFree(pointsF);
1632
1633     return ret;
1634 }
1635
1636 /* Approximates cardinal spline with Bezier curves. */
1637 GpStatus WINGDIPAPI GdipDrawCurve2(GpGraphics *graphics, GpPen *pen,
1638     GDIPCONST GpPointF *points, INT count, REAL tension)
1639 {
1640     /* PolyBezier expects count*3-2 points. */
1641     INT i, len_pt = count*3-2, save_state;
1642     GpPointF *pt;
1643     REAL x1, x2, y1, y2;
1644     GpStatus retval;
1645
1646     TRACE("(%p, %p, %p, %d, %.2f)\n", graphics, pen, points, count, tension);
1647
1648     if(!graphics || !pen)
1649         return InvalidParameter;
1650
1651     if(graphics->busy)
1652         return ObjectBusy;
1653
1654     if(count < 2)
1655         return InvalidParameter;
1656
1657     pt = GdipAlloc(len_pt * sizeof(GpPointF));
1658     if(!pt)
1659         return OutOfMemory;
1660
1661     tension = tension * TENSION_CONST;
1662
1663     calc_curve_bezier_endp(points[0].X, points[0].Y, points[1].X, points[1].Y,
1664         tension, &x1, &y1);
1665
1666     pt[0].X = points[0].X;
1667     pt[0].Y = points[0].Y;
1668     pt[1].X = x1;
1669     pt[1].Y = y1;
1670
1671     for(i = 0; i < count-2; i++){
1672         calc_curve_bezier(&(points[i]), tension, &x1, &y1, &x2, &y2);
1673
1674         pt[3*i+2].X = x1;
1675         pt[3*i+2].Y = y1;
1676         pt[3*i+3].X = points[i+1].X;
1677         pt[3*i+3].Y = points[i+1].Y;
1678         pt[3*i+4].X = x2;
1679         pt[3*i+4].Y = y2;
1680     }
1681
1682     calc_curve_bezier_endp(points[count-1].X, points[count-1].Y,
1683         points[count-2].X, points[count-2].Y, tension, &x1, &y1);
1684
1685     pt[len_pt-2].X = x1;
1686     pt[len_pt-2].Y = y1;
1687     pt[len_pt-1].X = points[count-1].X;
1688     pt[len_pt-1].Y = points[count-1].Y;
1689
1690     save_state = prepare_dc(graphics, pen);
1691
1692     retval = draw_polybezier(graphics, pen, pt, len_pt, TRUE);
1693
1694     GdipFree(pt);
1695     restore_dc(graphics, save_state);
1696
1697     return retval;
1698 }
1699
1700 GpStatus WINGDIPAPI GdipDrawCurve2I(GpGraphics *graphics, GpPen *pen,
1701     GDIPCONST GpPoint *points, INT count, REAL tension)
1702 {
1703     GpPointF *pointsF;
1704     GpStatus ret;
1705     INT i;
1706
1707     TRACE("(%p, %p, %p, %d, %.2f)\n", graphics, pen, points, count, tension);
1708
1709     if(!points)
1710         return InvalidParameter;
1711
1712     pointsF = GdipAlloc(sizeof(GpPointF)*count);
1713     if(!pointsF)
1714         return OutOfMemory;
1715
1716     for(i = 0; i < count; i++){
1717         pointsF[i].X = (REAL)points[i].X;
1718         pointsF[i].Y = (REAL)points[i].Y;
1719     }
1720
1721     ret = GdipDrawCurve2(graphics,pen,pointsF,count,tension);
1722     GdipFree(pointsF);
1723
1724     return ret;
1725 }
1726
1727 GpStatus WINGDIPAPI GdipDrawCurve3(GpGraphics *graphics, GpPen *pen,
1728     GDIPCONST GpPointF *points, INT count, INT offset, INT numberOfSegments,
1729     REAL tension)
1730 {
1731     TRACE("(%p, %p, %p, %d, %d, %d, %.2f)\n", graphics, pen, points, count, offset, numberOfSegments, tension);
1732
1733     if(offset >= count || numberOfSegments > count - offset - 1 || numberOfSegments <= 0){
1734         return InvalidParameter;
1735     }
1736
1737     return GdipDrawCurve2(graphics, pen, points + offset, numberOfSegments + 1, tension);
1738 }
1739
1740 GpStatus WINGDIPAPI GdipDrawCurve3I(GpGraphics *graphics, GpPen *pen,
1741     GDIPCONST GpPoint *points, INT count, INT offset, INT numberOfSegments,
1742     REAL tension)
1743 {
1744     TRACE("(%p, %p, %p, %d, %d, %d, %.2f)\n", graphics, pen, points, count, offset, numberOfSegments, tension);
1745
1746     if(count < 0){
1747         return OutOfMemory;
1748     }
1749
1750     if(offset >= count || numberOfSegments > count - offset - 1 || numberOfSegments <= 0){
1751         return InvalidParameter;
1752     }
1753
1754     return GdipDrawCurve2I(graphics, pen, points + offset, numberOfSegments + 1, tension);
1755 }
1756
1757 GpStatus WINGDIPAPI GdipDrawEllipse(GpGraphics *graphics, GpPen *pen, REAL x,
1758     REAL y, REAL width, REAL height)
1759 {
1760     INT save_state;
1761     GpPointF ptf[2];
1762     POINT pti[2];
1763
1764     TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x, y, width, height);
1765
1766     if(!graphics || !pen)
1767         return InvalidParameter;
1768
1769     if(graphics->busy)
1770         return ObjectBusy;
1771
1772     ptf[0].X = x;
1773     ptf[0].Y = y;
1774     ptf[1].X = x + width;
1775     ptf[1].Y = y + height;
1776
1777     save_state = prepare_dc(graphics, pen);
1778     SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
1779
1780     transform_and_round_points(graphics, pti, ptf, 2);
1781
1782     Ellipse(graphics->hdc, pti[0].x, pti[0].y, pti[1].x, pti[1].y);
1783
1784     restore_dc(graphics, save_state);
1785
1786     return Ok;
1787 }
1788
1789 GpStatus WINGDIPAPI GdipDrawEllipseI(GpGraphics *graphics, GpPen *pen, INT x,
1790     INT y, INT width, INT height)
1791 {
1792     TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, pen, x, y, width, height);
1793
1794     return GdipDrawEllipse(graphics,pen,(REAL)x,(REAL)y,(REAL)width,(REAL)height);
1795 }
1796
1797
1798 GpStatus WINGDIPAPI GdipDrawImage(GpGraphics *graphics, GpImage *image, REAL x, REAL y)
1799 {
1800     UINT width, height;
1801     GpPointF points[3];
1802
1803     TRACE("(%p, %p, %.2f, %.2f)\n", graphics, image, x, y);
1804
1805     if(!graphics || !image)
1806         return InvalidParameter;
1807
1808     GdipGetImageWidth(image, &width);
1809     GdipGetImageHeight(image, &height);
1810
1811     /* FIXME: we should use the graphics and image dpi, somehow */
1812
1813     points[0].X = points[2].X = x;
1814     points[0].Y = points[1].Y = y;
1815     points[1].X = x + width;
1816     points[2].Y = y + height;
1817
1818     return GdipDrawImagePointsRect(graphics, image, points, 3, 0, 0, width, height,
1819         UnitPixel, NULL, NULL, NULL);
1820 }
1821
1822 GpStatus WINGDIPAPI GdipDrawImageI(GpGraphics *graphics, GpImage *image, INT x,
1823     INT y)
1824 {
1825     TRACE("(%p, %p, %d, %d)\n", graphics, image, x, y);
1826
1827     return GdipDrawImage(graphics, image, (REAL)x, (REAL)y);
1828 }
1829
1830 GpStatus WINGDIPAPI GdipDrawImagePointRect(GpGraphics *graphics, GpImage *image,
1831     REAL x, REAL y, REAL srcx, REAL srcy, REAL srcwidth, REAL srcheight,
1832     GpUnit srcUnit)
1833 {
1834     GpPointF points[3];
1835     TRACE("(%p, %p, %f, %f, %f, %f, %f, %f, %d)\n", graphics, image, x, y, srcx, srcy, srcwidth, srcheight, srcUnit);
1836
1837     points[0].X = points[2].X = x;
1838     points[0].Y = points[1].Y = y;
1839
1840     /* FIXME: convert image coordinates to Graphics coordinates? */
1841     points[1].X = x + srcwidth;
1842     points[2].Y = y + srcheight;
1843
1844     return GdipDrawImagePointsRect(graphics, image, points, 3, srcx, srcy,
1845         srcwidth, srcheight, srcUnit, NULL, NULL, NULL);
1846 }
1847
1848 GpStatus WINGDIPAPI GdipDrawImagePointRectI(GpGraphics *graphics, GpImage *image,
1849     INT x, INT y, INT srcx, INT srcy, INT srcwidth, INT srcheight,
1850     GpUnit srcUnit)
1851 {
1852     return GdipDrawImagePointRect(graphics, image, x, y, srcx, srcy, srcwidth, srcheight, srcUnit);
1853 }
1854
1855 GpStatus WINGDIPAPI GdipDrawImagePoints(GpGraphics *graphics, GpImage *image,
1856     GDIPCONST GpPointF *dstpoints, INT count)
1857 {
1858     FIXME("(%p, %p, %p, %d): stub\n", graphics, image, dstpoints, count);
1859     return NotImplemented;
1860 }
1861
1862 GpStatus WINGDIPAPI GdipDrawImagePointsI(GpGraphics *graphics, GpImage *image,
1863     GDIPCONST GpPoint *dstpoints, INT count)
1864 {
1865     FIXME("(%p, %p, %p, %d): stub\n", graphics, image, dstpoints, count);
1866     return NotImplemented;
1867 }
1868
1869 /* FIXME: partially implemented (only works for rectangular parallelograms) */
1870 GpStatus WINGDIPAPI GdipDrawImagePointsRect(GpGraphics *graphics, GpImage *image,
1871      GDIPCONST GpPointF *points, INT count, REAL srcx, REAL srcy, REAL srcwidth,
1872      REAL srcheight, GpUnit srcUnit, GDIPCONST GpImageAttributes* imageAttributes,
1873      DrawImageAbort callback, VOID * callbackData)
1874 {
1875     GpPointF ptf[3];
1876     POINT pti[3];
1877     REAL dx, dy;
1878
1879     TRACE("(%p, %p, %p, %d, %f, %f, %f, %f, %d, %p, %p, %p)\n", graphics, image, points,
1880           count, srcx, srcy, srcwidth, srcheight, srcUnit, imageAttributes, callback,
1881           callbackData);
1882
1883     if(!graphics || !image || !points || count != 3)
1884          return InvalidParameter;
1885
1886     TRACE("%s %s %s\n", debugstr_pointf(&points[0]), debugstr_pointf(&points[1]),
1887         debugstr_pointf(&points[2]));
1888
1889     memcpy(ptf, points, 3 * sizeof(GpPointF));
1890     transform_and_round_points(graphics, pti, ptf, 3);
1891
1892     if (image->picture)
1893     {
1894         if(srcUnit == UnitInch)
1895             dx = dy = (REAL) INCH_HIMETRIC;
1896         else if(srcUnit == UnitPixel){
1897             dx = ((REAL) INCH_HIMETRIC) /
1898                  ((REAL) GetDeviceCaps(graphics->hdc, LOGPIXELSX));
1899             dy = ((REAL) INCH_HIMETRIC) /
1900                  ((REAL) GetDeviceCaps(graphics->hdc, LOGPIXELSY));
1901         }
1902         else
1903             return NotImplemented;
1904
1905         if(IPicture_Render(image->picture, graphics->hdc,
1906             pti[0].x, pti[0].y, pti[1].x - pti[0].x, pti[2].y - pti[0].y,
1907             srcx * dx, srcy * dy,
1908             srcwidth * dx, srcheight * dy,
1909             NULL) != S_OK){
1910             if(callback)
1911                 callback(callbackData);
1912             return GenericError;
1913         }
1914     }
1915     else if (image->type == ImageTypeBitmap && ((GpBitmap*)image)->hbitmap)
1916     {
1917         HDC hdc;
1918         GpBitmap* bitmap = (GpBitmap*)image;
1919         int temp_hdc=0, temp_bitmap=0;
1920         HBITMAP hbitmap, old_hbm=NULL;
1921
1922         if (srcUnit == UnitInch)
1923             dx = dy = 96.0; /* FIXME: use the image resolution */
1924         else if (srcUnit == UnitPixel)
1925             dx = dy = 1.0;
1926         else
1927             return NotImplemented;
1928
1929         if (bitmap->format == PixelFormat32bppARGB)
1930         {
1931             BITMAPINFOHEADER bih;
1932             BYTE *temp_bits;
1933
1934             /* we need a bitmap with premultiplied alpha */
1935             hdc = CreateCompatibleDC(0);
1936             temp_hdc = 1;
1937             temp_bitmap = 1;
1938
1939             bih.biSize = sizeof(BITMAPINFOHEADER);
1940             bih.biWidth = bitmap->width;
1941             bih.biHeight = -bitmap->height;
1942             bih.biPlanes = 1;
1943             bih.biBitCount = 32;
1944             bih.biCompression = BI_RGB;
1945             bih.biSizeImage = 0;
1946             bih.biXPelsPerMeter = 0;
1947             bih.biYPelsPerMeter = 0;
1948             bih.biClrUsed = 0;
1949             bih.biClrImportant = 0;
1950
1951             hbitmap = CreateDIBSection(hdc, (BITMAPINFO*)&bih, DIB_RGB_COLORS,
1952                 (void**)&temp_bits, NULL, 0);
1953
1954             convert_32bppARGB_to_32bppPARGB(bitmap->width, bitmap->height,
1955                 temp_bits, bitmap->width*4, bitmap->bits, bitmap->stride);
1956         }
1957         else
1958         {
1959             hbitmap = bitmap->hbitmap;
1960             hdc = bitmap->hdc;
1961             temp_hdc = (hdc == 0);
1962         }
1963
1964         if (temp_hdc)
1965         {
1966             if (!hdc) hdc = CreateCompatibleDC(0);
1967             old_hbm = SelectObject(hdc, hbitmap);
1968         }
1969
1970         if (bitmap->format == PixelFormat32bppARGB || bitmap->format == PixelFormat32bppPARGB)
1971         {
1972             BLENDFUNCTION bf;
1973
1974             bf.BlendOp = AC_SRC_OVER;
1975             bf.BlendFlags = 0;
1976             bf.SourceConstantAlpha = 255;
1977             bf.AlphaFormat = AC_SRC_ALPHA;
1978
1979             GdiAlphaBlend(graphics->hdc, pti[0].x, pti[0].y, pti[1].x-pti[0].x, pti[2].y-pti[0].y,
1980                 hdc, srcx*dx, srcy*dy, srcwidth*dx, srcheight*dy, bf);
1981         }
1982         else
1983         {
1984             StretchBlt(graphics->hdc, pti[0].x, pti[0].y, pti[1].x-pti[0].x, pti[2].y-pti[0].y,
1985                 hdc, srcx*dx, srcy*dy, srcwidth*dx, srcheight*dy, SRCCOPY);
1986         }
1987
1988         if (temp_hdc)
1989         {
1990             SelectObject(hdc, old_hbm);
1991             DeleteDC(hdc);
1992         }
1993
1994         if (temp_bitmap)
1995             DeleteObject(hbitmap);
1996     }
1997     else
1998     {
1999         ERR("GpImage with no IPicture or HBITMAP?!\n");
2000         return NotImplemented;
2001     }
2002
2003     return Ok;
2004 }
2005
2006 GpStatus WINGDIPAPI GdipDrawImagePointsRectI(GpGraphics *graphics, GpImage *image,
2007      GDIPCONST GpPoint *points, INT count, INT srcx, INT srcy, INT srcwidth,
2008      INT srcheight, GpUnit srcUnit, GDIPCONST GpImageAttributes* imageAttributes,
2009      DrawImageAbort callback, VOID * callbackData)
2010 {
2011     GpPointF pointsF[3];
2012     INT i;
2013
2014     TRACE("(%p, %p, %p, %d, %d, %d, %d, %d, %d, %p, %p, %p)\n", graphics, image, points, count,
2015           srcx, srcy, srcwidth, srcheight, srcUnit, imageAttributes, callback,
2016           callbackData);
2017
2018     if(!points || count!=3)
2019         return InvalidParameter;
2020
2021     for(i = 0; i < count; i++){
2022         pointsF[i].X = (REAL)points[i].X;
2023         pointsF[i].Y = (REAL)points[i].Y;
2024     }
2025
2026     return GdipDrawImagePointsRect(graphics, image, pointsF, count, (REAL)srcx, (REAL)srcy,
2027                                    (REAL)srcwidth, (REAL)srcheight, srcUnit, imageAttributes,
2028                                    callback, callbackData);
2029 }
2030
2031 GpStatus WINGDIPAPI GdipDrawImageRectRect(GpGraphics *graphics, GpImage *image,
2032     REAL dstx, REAL dsty, REAL dstwidth, REAL dstheight, REAL srcx, REAL srcy,
2033     REAL srcwidth, REAL srcheight, GpUnit srcUnit,
2034     GDIPCONST GpImageAttributes* imageattr, DrawImageAbort callback,
2035     VOID * callbackData)
2036 {
2037     GpPointF points[3];
2038
2039     TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %d, %p, %p, %p)\n",
2040           graphics, image, dstx, dsty, dstwidth, dstheight, srcx, srcy,
2041           srcwidth, srcheight, srcUnit, imageattr, callback, callbackData);
2042
2043     points[0].X = dstx;
2044     points[0].Y = dsty;
2045     points[1].X = dstx + dstwidth;
2046     points[1].Y = dsty;
2047     points[2].X = dstx;
2048     points[2].Y = dsty + dstheight;
2049
2050     return GdipDrawImagePointsRect(graphics, image, points, 3, srcx, srcy,
2051                srcwidth, srcheight, srcUnit, imageattr, callback, callbackData);
2052 }
2053
2054 GpStatus WINGDIPAPI GdipDrawImageRectRectI(GpGraphics *graphics, GpImage *image,
2055         INT dstx, INT dsty, INT dstwidth, INT dstheight, INT srcx, INT srcy,
2056         INT srcwidth, INT srcheight, GpUnit srcUnit,
2057         GDIPCONST GpImageAttributes* imageAttributes, DrawImageAbort callback,
2058         VOID * callbackData)
2059 {
2060     GpPointF points[3];
2061
2062     TRACE("(%p, %p, %d, %d, %d, %d, %d, %d, %d, %d, %d, %p, %p, %p)\n",
2063           graphics, image, dstx, dsty, dstwidth, dstheight, srcx, srcy,
2064           srcwidth, srcheight, srcUnit, imageAttributes, callback, callbackData);
2065
2066     points[0].X = dstx;
2067     points[0].Y = dsty;
2068     points[1].X = dstx + dstwidth;
2069     points[1].Y = dsty;
2070     points[2].X = dstx;
2071     points[2].Y = dsty + dstheight;
2072
2073     return GdipDrawImagePointsRect(graphics, image, points, 3, srcx, srcy,
2074                srcwidth, srcheight, srcUnit, imageAttributes, callback, callbackData);
2075 }
2076
2077 GpStatus WINGDIPAPI GdipDrawImageRect(GpGraphics *graphics, GpImage *image,
2078     REAL x, REAL y, REAL width, REAL height)
2079 {
2080     RectF bounds;
2081     GpUnit unit;
2082     GpStatus ret;
2083
2084     TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, image, x, y, width, height);
2085
2086     if(!graphics || !image)
2087         return InvalidParameter;
2088
2089     ret = GdipGetImageBounds(image, &bounds, &unit);
2090     if(ret != Ok)
2091         return ret;
2092
2093     return GdipDrawImageRectRect(graphics, image, x, y, width, height,
2094                                  bounds.X, bounds.Y, bounds.Width, bounds.Height,
2095                                  unit, NULL, NULL, NULL);
2096 }
2097
2098 GpStatus WINGDIPAPI GdipDrawImageRectI(GpGraphics *graphics, GpImage *image,
2099     INT x, INT y, INT width, INT height)
2100 {
2101     TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, image, x, y, width, height);
2102
2103     return GdipDrawImageRect(graphics, image, (REAL)x, (REAL)y, (REAL)width, (REAL)height);
2104 }
2105
2106 GpStatus WINGDIPAPI GdipDrawLine(GpGraphics *graphics, GpPen *pen, REAL x1,
2107     REAL y1, REAL x2, REAL y2)
2108 {
2109     INT save_state;
2110     GpPointF pt[2];
2111     GpStatus retval;
2112
2113     TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x1, y1, x2, y2);
2114
2115     if(!pen || !graphics)
2116         return InvalidParameter;
2117
2118     if(graphics->busy)
2119         return ObjectBusy;
2120
2121     pt[0].X = x1;
2122     pt[0].Y = y1;
2123     pt[1].X = x2;
2124     pt[1].Y = y2;
2125
2126     save_state = prepare_dc(graphics, pen);
2127
2128     retval = draw_polyline(graphics, pen, pt, 2, TRUE);
2129
2130     restore_dc(graphics, save_state);
2131
2132     return retval;
2133 }
2134
2135 GpStatus WINGDIPAPI GdipDrawLineI(GpGraphics *graphics, GpPen *pen, INT x1,
2136     INT y1, INT x2, INT y2)
2137 {
2138     INT save_state;
2139     GpPointF pt[2];
2140     GpStatus retval;
2141
2142     TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, pen, x1, y1, x2, y2);
2143
2144     if(!pen || !graphics)
2145         return InvalidParameter;
2146
2147     if(graphics->busy)
2148         return ObjectBusy;
2149
2150     pt[0].X = (REAL)x1;
2151     pt[0].Y = (REAL)y1;
2152     pt[1].X = (REAL)x2;
2153     pt[1].Y = (REAL)y2;
2154
2155     save_state = prepare_dc(graphics, pen);
2156
2157     retval = draw_polyline(graphics, pen, pt, 2, TRUE);
2158
2159     restore_dc(graphics, save_state);
2160
2161     return retval;
2162 }
2163
2164 GpStatus WINGDIPAPI GdipDrawLines(GpGraphics *graphics, GpPen *pen, GDIPCONST
2165     GpPointF *points, INT count)
2166 {
2167     INT save_state;
2168     GpStatus retval;
2169
2170     TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
2171
2172     if(!pen || !graphics || (count < 2))
2173         return InvalidParameter;
2174
2175     if(graphics->busy)
2176         return ObjectBusy;
2177
2178     save_state = prepare_dc(graphics, pen);
2179
2180     retval = draw_polyline(graphics, pen, points, count, TRUE);
2181
2182     restore_dc(graphics, save_state);
2183
2184     return retval;
2185 }
2186
2187 GpStatus WINGDIPAPI GdipDrawLinesI(GpGraphics *graphics, GpPen *pen, GDIPCONST
2188     GpPoint *points, INT count)
2189 {
2190     INT save_state;
2191     GpStatus retval;
2192     GpPointF *ptf = NULL;
2193     int i;
2194
2195     TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
2196
2197     if(!pen || !graphics || (count < 2))
2198         return InvalidParameter;
2199
2200     if(graphics->busy)
2201         return ObjectBusy;
2202
2203     ptf = GdipAlloc(count * sizeof(GpPointF));
2204     if(!ptf) return OutOfMemory;
2205
2206     for(i = 0; i < count; i ++){
2207         ptf[i].X = (REAL) points[i].X;
2208         ptf[i].Y = (REAL) points[i].Y;
2209     }
2210
2211     save_state = prepare_dc(graphics, pen);
2212
2213     retval = draw_polyline(graphics, pen, ptf, count, TRUE);
2214
2215     restore_dc(graphics, save_state);
2216
2217     GdipFree(ptf);
2218     return retval;
2219 }
2220
2221 GpStatus WINGDIPAPI GdipDrawPath(GpGraphics *graphics, GpPen *pen, GpPath *path)
2222 {
2223     INT save_state;
2224     GpStatus retval;
2225
2226     TRACE("(%p, %p, %p)\n", graphics, pen, path);
2227
2228     if(!pen || !graphics)
2229         return InvalidParameter;
2230
2231     if(graphics->busy)
2232         return ObjectBusy;
2233
2234     save_state = prepare_dc(graphics, pen);
2235
2236     retval = draw_poly(graphics, pen, path->pathdata.Points,
2237                        path->pathdata.Types, path->pathdata.Count, TRUE);
2238
2239     restore_dc(graphics, save_state);
2240
2241     return retval;
2242 }
2243
2244 GpStatus WINGDIPAPI GdipDrawPie(GpGraphics *graphics, GpPen *pen, REAL x,
2245     REAL y, REAL width, REAL height, REAL startAngle, REAL sweepAngle)
2246 {
2247     INT save_state;
2248
2249     TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x, y,
2250             width, height, startAngle, sweepAngle);
2251
2252     if(!graphics || !pen)
2253         return InvalidParameter;
2254
2255     if(graphics->busy)
2256         return ObjectBusy;
2257
2258     save_state = prepare_dc(graphics, pen);
2259     SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
2260
2261     draw_pie(graphics, x, y, width, height, startAngle, sweepAngle);
2262
2263     restore_dc(graphics, save_state);
2264
2265     return Ok;
2266 }
2267
2268 GpStatus WINGDIPAPI GdipDrawPieI(GpGraphics *graphics, GpPen *pen, INT x,
2269     INT y, INT width, INT height, REAL startAngle, REAL sweepAngle)
2270 {
2271     TRACE("(%p, %p, %d, %d, %d, %d, %.2f, %.2f)\n", graphics, pen, x, y,
2272             width, height, startAngle, sweepAngle);
2273
2274     return GdipDrawPie(graphics,pen,(REAL)x,(REAL)y,(REAL)width,(REAL)height,startAngle,sweepAngle);
2275 }
2276
2277 GpStatus WINGDIPAPI GdipDrawRectangle(GpGraphics *graphics, GpPen *pen, REAL x,
2278     REAL y, REAL width, REAL height)
2279 {
2280     INT save_state;
2281     GpPointF ptf[4];
2282     POINT pti[4];
2283
2284     TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x, y, width, height);
2285
2286     if(!pen || !graphics)
2287         return InvalidParameter;
2288
2289     if(graphics->busy)
2290         return ObjectBusy;
2291
2292     ptf[0].X = x;
2293     ptf[0].Y = y;
2294     ptf[1].X = x + width;
2295     ptf[1].Y = y;
2296     ptf[2].X = x + width;
2297     ptf[2].Y = y + height;
2298     ptf[3].X = x;
2299     ptf[3].Y = y + height;
2300
2301     save_state = prepare_dc(graphics, pen);
2302     SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
2303
2304     transform_and_round_points(graphics, pti, ptf, 4);
2305     Polygon(graphics->hdc, pti, 4);
2306
2307     restore_dc(graphics, save_state);
2308
2309     return Ok;
2310 }
2311
2312 GpStatus WINGDIPAPI GdipDrawRectangleI(GpGraphics *graphics, GpPen *pen, INT x,
2313     INT y, INT width, INT height)
2314 {
2315     TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, pen, x, y, width, height);
2316
2317     return GdipDrawRectangle(graphics,pen,(REAL)x,(REAL)y,(REAL)width,(REAL)height);
2318 }
2319
2320 GpStatus WINGDIPAPI GdipDrawRectangles(GpGraphics *graphics, GpPen *pen,
2321     GDIPCONST GpRectF* rects, INT count)
2322 {
2323     GpPointF *ptf;
2324     POINT *pti;
2325     INT save_state, i;
2326
2327     TRACE("(%p, %p, %p, %d)\n", graphics, pen, rects, count);
2328
2329     if(!graphics || !pen || !rects || count < 1)
2330         return InvalidParameter;
2331
2332     if(graphics->busy)
2333         return ObjectBusy;
2334
2335     ptf = GdipAlloc(4 * count * sizeof(GpPointF));
2336     pti = GdipAlloc(4 * count * sizeof(POINT));
2337
2338     if(!ptf || !pti){
2339         GdipFree(ptf);
2340         GdipFree(pti);
2341         return OutOfMemory;
2342     }
2343
2344     for(i = 0; i < count; i++){
2345         ptf[4 * i + 3].X = ptf[4 * i].X = rects[i].X;
2346         ptf[4 * i + 1].Y = ptf[4 * i].Y = rects[i].Y;
2347         ptf[4 * i + 2].X = ptf[4 * i + 1].X = rects[i].X + rects[i].Width;
2348         ptf[4 * i + 3].Y = ptf[4 * i + 2].Y = rects[i].Y + rects[i].Height;
2349     }
2350
2351     save_state = prepare_dc(graphics, pen);
2352     SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
2353
2354     transform_and_round_points(graphics, pti, ptf, 4 * count);
2355
2356     for(i = 0; i < count; i++)
2357         Polygon(graphics->hdc, &pti[4 * i], 4);
2358
2359     restore_dc(graphics, save_state);
2360
2361     GdipFree(ptf);
2362     GdipFree(pti);
2363
2364     return Ok;
2365 }
2366
2367 GpStatus WINGDIPAPI GdipDrawRectanglesI(GpGraphics *graphics, GpPen *pen,
2368     GDIPCONST GpRect* rects, INT count)
2369 {
2370     GpRectF *rectsF;
2371     GpStatus ret;
2372     INT i;
2373
2374     TRACE("(%p, %p, %p, %d)\n", graphics, pen, rects, count);
2375
2376     if(!rects || count<=0)
2377         return InvalidParameter;
2378
2379     rectsF = GdipAlloc(sizeof(GpRectF) * count);
2380     if(!rectsF)
2381         return OutOfMemory;
2382
2383     for(i = 0;i < count;i++){
2384         rectsF[i].X      = (REAL)rects[i].X;
2385         rectsF[i].Y      = (REAL)rects[i].Y;
2386         rectsF[i].Width  = (REAL)rects[i].Width;
2387         rectsF[i].Height = (REAL)rects[i].Height;
2388     }
2389
2390     ret = GdipDrawRectangles(graphics, pen, rectsF, count);
2391     GdipFree(rectsF);
2392
2393     return ret;
2394 }
2395
2396 GpStatus WINGDIPAPI GdipDrawString(GpGraphics *graphics, GDIPCONST WCHAR *string,
2397     INT length, GDIPCONST GpFont *font, GDIPCONST RectF *rect,
2398     GDIPCONST GpStringFormat *format, GDIPCONST GpBrush *brush)
2399 {
2400     HRGN rgn = NULL;
2401     HFONT gdifont;
2402     LOGFONTW lfw;
2403     TEXTMETRICW textmet;
2404     GpPointF pt[3], rectcpy[4];
2405     POINT corners[4];
2406     WCHAR* stringdup;
2407     REAL angle, ang_cos, ang_sin, rel_width, rel_height;
2408     INT sum = 0, height = 0, offsety = 0, fit, fitcpy, save_state, i, j, lret, nwidth,
2409         nheight, lineend;
2410     SIZE size;
2411     POINT drawbase;
2412     UINT drawflags;
2413     RECT drawcoord;
2414
2415     TRACE("(%p, %s, %i, %p, %s, %p, %p)\n", graphics, debugstr_wn(string, length),
2416         length, font, debugstr_rectf(rect), format, brush);
2417
2418     if(!graphics || !string || !font || !brush || !rect)
2419         return InvalidParameter;
2420
2421     if((brush->bt != BrushTypeSolidColor)){
2422         FIXME("not implemented for given parameters\n");
2423         return NotImplemented;
2424     }
2425
2426     if(format){
2427         TRACE("may be ignoring some format flags: attr %x\n", format->attr);
2428
2429         /* Should be no need to explicitly test for StringAlignmentNear as
2430          * that is default behavior if no alignment is passed. */
2431         if(format->vertalign != StringAlignmentNear){
2432             RectF bounds;
2433             GdipMeasureString(graphics, string, length, font, rect, format, &bounds, 0, 0);
2434
2435             if(format->vertalign == StringAlignmentCenter)
2436                 offsety = (rect->Height - bounds.Height) / 2;
2437             else if(format->vertalign == StringAlignmentFar)
2438                 offsety = (rect->Height - bounds.Height);
2439         }
2440     }
2441
2442     if(length == -1) length = lstrlenW(string);
2443
2444     stringdup = GdipAlloc(length * sizeof(WCHAR));
2445     if(!stringdup) return OutOfMemory;
2446
2447     save_state = SaveDC(graphics->hdc);
2448     SetBkMode(graphics->hdc, TRANSPARENT);
2449     SetTextColor(graphics->hdc, brush->lb.lbColor);
2450
2451     pt[0].X = 0.0;
2452     pt[0].Y = 0.0;
2453     pt[1].X = 1.0;
2454     pt[1].Y = 0.0;
2455     pt[2].X = 0.0;
2456     pt[2].Y = 1.0;
2457     GdipTransformPoints(graphics, CoordinateSpaceDevice, CoordinateSpaceWorld, pt, 3);
2458     angle = -gdiplus_atan2((pt[1].Y - pt[0].Y), (pt[1].X - pt[0].X));
2459     ang_cos = cos(angle);
2460     ang_sin = sin(angle);
2461     rel_width = sqrt((pt[1].Y-pt[0].Y)*(pt[1].Y-pt[0].Y)+
2462                      (pt[1].X-pt[0].X)*(pt[1].X-pt[0].X));
2463     rel_height = sqrt((pt[2].Y-pt[0].Y)*(pt[2].Y-pt[0].Y)+
2464                       (pt[2].X-pt[0].X)*(pt[2].X-pt[0].X));
2465
2466     rectcpy[3].X = rectcpy[0].X = rect->X;
2467     rectcpy[1].Y = rectcpy[0].Y = rect->Y + offsety;
2468     rectcpy[2].X = rectcpy[1].X = rect->X + rect->Width;
2469     rectcpy[3].Y = rectcpy[2].Y = rect->Y + offsety + rect->Height;
2470     transform_and_round_points(graphics, corners, rectcpy, 4);
2471
2472     if (roundr(rect->Width) == 0)
2473         nwidth = INT_MAX;
2474     else
2475         nwidth = roundr(rel_width * rect->Width);
2476
2477     if (roundr(rect->Height) == 0)
2478         nheight = INT_MAX;
2479     else
2480         nheight = roundr(rel_height * rect->Height);
2481
2482     if (roundr(rect->Width) != 0 && roundr(rect->Height) != 0)
2483     {
2484         /* FIXME: If only the width or only the height is 0, we should probably still clip */
2485         rgn = CreatePolygonRgn(corners, 4, ALTERNATE);
2486         SelectClipRgn(graphics->hdc, rgn);
2487     }
2488
2489     /* Use gdi to find the font, then perform transformations on it (height,
2490      * width, angle). */
2491     SelectObject(graphics->hdc, CreateFontIndirectW(&font->lfw));
2492     GetTextMetricsW(graphics->hdc, &textmet);
2493     lfw = font->lfw;
2494
2495     lfw.lfHeight = roundr(((REAL)lfw.lfHeight) * rel_height);
2496     lfw.lfWidth = roundr(textmet.tmAveCharWidth * rel_width);
2497
2498     lfw.lfEscapement = lfw.lfOrientation = roundr((angle / M_PI) * 1800.0);
2499
2500     gdifont = CreateFontIndirectW(&lfw);
2501     DeleteObject(SelectObject(graphics->hdc, CreateFontIndirectW(&lfw)));
2502
2503     for(i = 0, j = 0; i < length; i++){
2504         if(!isprintW(string[i]) && (string[i] != '\n'))
2505             continue;
2506
2507         stringdup[j] = string[i];
2508         j++;
2509     }
2510
2511     length = j;
2512
2513     if (!format || format->align == StringAlignmentNear)
2514     {
2515         drawbase.x = corners[0].x;
2516         drawbase.y = corners[0].y;
2517         drawflags = DT_NOCLIP | DT_EXPANDTABS;
2518     }
2519     else if (format->align == StringAlignmentCenter)
2520     {
2521         drawbase.x = (corners[0].x + corners[1].x)/2;
2522         drawbase.y = (corners[0].y + corners[1].y)/2;
2523         drawflags = DT_NOCLIP | DT_EXPANDTABS | DT_CENTER;
2524     }
2525     else /* (format->align == StringAlignmentFar) */
2526     {
2527         drawbase.x = corners[1].x;
2528         drawbase.y = corners[1].y;
2529         drawflags = DT_NOCLIP | DT_EXPANDTABS | DT_RIGHT;
2530     }
2531
2532     while(sum < length){
2533         drawcoord.left = drawcoord.right = drawbase.x + roundr(ang_sin * (REAL) height);
2534         drawcoord.top = drawcoord.bottom = drawbase.y + roundr(ang_cos * (REAL) height);
2535
2536         GetTextExtentExPointW(graphics->hdc, stringdup + sum, length - sum,
2537                               nwidth, &fit, NULL, &size);
2538         fitcpy = fit;
2539
2540         if(fit == 0){
2541             DrawTextW(graphics->hdc, stringdup + sum, 1, &drawcoord, drawflags);
2542             break;
2543         }
2544
2545         for(lret = 0; lret < fit; lret++)
2546             if(*(stringdup + sum + lret) == '\n')
2547                 break;
2548
2549         /* Line break code (may look strange, but it imitates windows). */
2550         if(lret < fit)
2551             lineend = fit = lret;    /* this is not an off-by-one error */
2552         else if(fit < (length - sum)){
2553             if(*(stringdup + sum + fit) == ' ')
2554                 while(*(stringdup + sum + fit) == ' ')
2555                     fit++;
2556             else
2557                 while(*(stringdup + sum + fit - 1) != ' '){
2558                     fit--;
2559
2560                     if(*(stringdup + sum + fit) == '\t')
2561                         break;
2562
2563                     if(fit == 0){
2564                         fit = fitcpy;
2565                         break;
2566                     }
2567                 }
2568             lineend = fit;
2569             while(*(stringdup + sum + lineend - 1) == ' ' ||
2570                   *(stringdup + sum + lineend - 1) == '\t')
2571                 lineend--;
2572         }
2573         else
2574             lineend = fit;
2575         DrawTextW(graphics->hdc, stringdup + sum, min(length - sum, lineend),
2576                   &drawcoord, drawflags);
2577
2578         sum += fit + (lret < fitcpy ? 1 : 0);
2579         height += size.cy;
2580
2581         if(height > nheight)
2582             break;
2583
2584         /* Stop if this was a linewrap (but not if it was a linebreak). */
2585         if((lret == fitcpy) && format && (format->attr & StringFormatFlagsNoWrap))
2586             break;
2587     }
2588
2589     GdipFree(stringdup);
2590     DeleteObject(rgn);
2591     DeleteObject(gdifont);
2592
2593     RestoreDC(graphics->hdc, save_state);
2594
2595     return Ok;
2596 }
2597
2598 GpStatus WINGDIPAPI GdipFillClosedCurve2(GpGraphics *graphics, GpBrush *brush,
2599     GDIPCONST GpPointF *points, INT count, REAL tension, GpFillMode fill)
2600 {
2601     GpPath *path;
2602     GpStatus stat;
2603
2604     TRACE("(%p, %p, %p, %d, %.2f, %d)\n", graphics, brush, points,
2605             count, tension, fill);
2606
2607     if(!graphics || !brush || !points)
2608         return InvalidParameter;
2609
2610     if(graphics->busy)
2611         return ObjectBusy;
2612
2613     stat = GdipCreatePath(fill, &path);
2614     if(stat != Ok)
2615         return stat;
2616
2617     stat = GdipAddPathClosedCurve2(path, points, count, tension);
2618     if(stat != Ok){
2619         GdipDeletePath(path);
2620         return stat;
2621     }
2622
2623     stat = GdipFillPath(graphics, brush, path);
2624     if(stat != Ok){
2625         GdipDeletePath(path);
2626         return stat;
2627     }
2628
2629     GdipDeletePath(path);
2630
2631     return Ok;
2632 }
2633
2634 GpStatus WINGDIPAPI GdipFillClosedCurve2I(GpGraphics *graphics, GpBrush *brush,
2635     GDIPCONST GpPoint *points, INT count, REAL tension, GpFillMode fill)
2636 {
2637     GpPointF *ptf;
2638     GpStatus stat;
2639     INT i;
2640
2641     TRACE("(%p, %p, %p, %d, %.2f, %d)\n", graphics, brush, points,
2642             count, tension, fill);
2643
2644     if(!points || count <= 0)
2645         return InvalidParameter;
2646
2647     ptf = GdipAlloc(sizeof(GpPointF)*count);
2648     if(!ptf)
2649         return OutOfMemory;
2650
2651     for(i = 0;i < count;i++){
2652         ptf[i].X = (REAL)points[i].X;
2653         ptf[i].Y = (REAL)points[i].Y;
2654     }
2655
2656     stat = GdipFillClosedCurve2(graphics, brush, ptf, count, tension, fill);
2657
2658     GdipFree(ptf);
2659
2660     return stat;
2661 }
2662
2663 GpStatus WINGDIPAPI GdipFillEllipse(GpGraphics *graphics, GpBrush *brush, REAL x,
2664     REAL y, REAL width, REAL height)
2665 {
2666     INT save_state;
2667     GpPointF ptf[2];
2668     POINT pti[2];
2669
2670     TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, brush, x, y, width, height);
2671
2672     if(!graphics || !brush)
2673         return InvalidParameter;
2674
2675     if(graphics->busy)
2676         return ObjectBusy;
2677
2678     ptf[0].X = x;
2679     ptf[0].Y = y;
2680     ptf[1].X = x + width;
2681     ptf[1].Y = y + height;
2682
2683     save_state = SaveDC(graphics->hdc);
2684     EndPath(graphics->hdc);
2685
2686     transform_and_round_points(graphics, pti, ptf, 2);
2687
2688     BeginPath(graphics->hdc);
2689     Ellipse(graphics->hdc, pti[0].x, pti[0].y, pti[1].x, pti[1].y);
2690     EndPath(graphics->hdc);
2691
2692     brush_fill_path(graphics, brush);
2693
2694     RestoreDC(graphics->hdc, save_state);
2695
2696     return Ok;
2697 }
2698
2699 GpStatus WINGDIPAPI GdipFillEllipseI(GpGraphics *graphics, GpBrush *brush, INT x,
2700     INT y, INT width, INT height)
2701 {
2702     TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, brush, x, y, width, height);
2703
2704     return GdipFillEllipse(graphics,brush,(REAL)x,(REAL)y,(REAL)width,(REAL)height);
2705 }
2706
2707 GpStatus WINGDIPAPI GdipFillPath(GpGraphics *graphics, GpBrush *brush, GpPath *path)
2708 {
2709     INT save_state;
2710     GpStatus retval;
2711
2712     TRACE("(%p, %p, %p)\n", graphics, brush, path);
2713
2714     if(!brush || !graphics || !path)
2715         return InvalidParameter;
2716
2717     if(graphics->busy)
2718         return ObjectBusy;
2719
2720     save_state = SaveDC(graphics->hdc);
2721     EndPath(graphics->hdc);
2722     SetPolyFillMode(graphics->hdc, (path->fill == FillModeAlternate ? ALTERNATE
2723                                                                     : WINDING));
2724
2725     BeginPath(graphics->hdc);
2726     retval = draw_poly(graphics, NULL, path->pathdata.Points,
2727                        path->pathdata.Types, path->pathdata.Count, FALSE);
2728
2729     if(retval != Ok)
2730         goto end;
2731
2732     EndPath(graphics->hdc);
2733     brush_fill_path(graphics, brush);
2734
2735     retval = Ok;
2736
2737 end:
2738     RestoreDC(graphics->hdc, save_state);
2739
2740     return retval;
2741 }
2742
2743 GpStatus WINGDIPAPI GdipFillPie(GpGraphics *graphics, GpBrush *brush, REAL x,
2744     REAL y, REAL width, REAL height, REAL startAngle, REAL sweepAngle)
2745 {
2746     INT save_state;
2747
2748     TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f)\n",
2749             graphics, brush, x, y, width, height, startAngle, sweepAngle);
2750
2751     if(!graphics || !brush)
2752         return InvalidParameter;
2753
2754     if(graphics->busy)
2755         return ObjectBusy;
2756
2757     save_state = SaveDC(graphics->hdc);
2758     EndPath(graphics->hdc);
2759
2760     BeginPath(graphics->hdc);
2761     draw_pie(graphics, x, y, width, height, startAngle, sweepAngle);
2762     EndPath(graphics->hdc);
2763
2764     brush_fill_path(graphics, brush);
2765
2766     RestoreDC(graphics->hdc, save_state);
2767
2768     return Ok;
2769 }
2770
2771 GpStatus WINGDIPAPI GdipFillPieI(GpGraphics *graphics, GpBrush *brush, INT x,
2772     INT y, INT width, INT height, REAL startAngle, REAL sweepAngle)
2773 {
2774     TRACE("(%p, %p, %d, %d, %d, %d, %.2f, %.2f)\n",
2775             graphics, brush, x, y, width, height, startAngle, sweepAngle);
2776
2777     return GdipFillPie(graphics,brush,(REAL)x,(REAL)y,(REAL)width,(REAL)height,startAngle,sweepAngle);
2778 }
2779
2780 GpStatus WINGDIPAPI GdipFillPolygon(GpGraphics *graphics, GpBrush *brush,
2781     GDIPCONST GpPointF *points, INT count, GpFillMode fillMode)
2782 {
2783     INT save_state;
2784     GpPointF *ptf = NULL;
2785     POINT *pti = NULL;
2786     GpStatus retval = Ok;
2787
2788     TRACE("(%p, %p, %p, %d, %d)\n", graphics, brush, points, count, fillMode);
2789
2790     if(!graphics || !brush || !points || !count)
2791         return InvalidParameter;
2792
2793     if(graphics->busy)
2794         return ObjectBusy;
2795
2796     ptf = GdipAlloc(count * sizeof(GpPointF));
2797     pti = GdipAlloc(count * sizeof(POINT));
2798     if(!ptf || !pti){
2799         retval = OutOfMemory;
2800         goto end;
2801     }
2802
2803     memcpy(ptf, points, count * sizeof(GpPointF));
2804
2805     save_state = SaveDC(graphics->hdc);
2806     EndPath(graphics->hdc);
2807     SetPolyFillMode(graphics->hdc, (fillMode == FillModeAlternate ? ALTERNATE
2808                                                                   : WINDING));
2809
2810     transform_and_round_points(graphics, pti, ptf, count);
2811
2812     BeginPath(graphics->hdc);
2813     Polygon(graphics->hdc, pti, count);
2814     EndPath(graphics->hdc);
2815
2816     brush_fill_path(graphics, brush);
2817
2818     RestoreDC(graphics->hdc, save_state);
2819
2820 end:
2821     GdipFree(ptf);
2822     GdipFree(pti);
2823
2824     return retval;
2825 }
2826
2827 GpStatus WINGDIPAPI GdipFillPolygonI(GpGraphics *graphics, GpBrush *brush,
2828     GDIPCONST GpPoint *points, INT count, GpFillMode fillMode)
2829 {
2830     INT save_state, i;
2831     GpPointF *ptf = NULL;
2832     POINT *pti = NULL;
2833     GpStatus retval = Ok;
2834
2835     TRACE("(%p, %p, %p, %d, %d)\n", graphics, brush, points, count, fillMode);
2836
2837     if(!graphics || !brush || !points || !count)
2838         return InvalidParameter;
2839
2840     if(graphics->busy)
2841         return ObjectBusy;
2842
2843     ptf = GdipAlloc(count * sizeof(GpPointF));
2844     pti = GdipAlloc(count * sizeof(POINT));
2845     if(!ptf || !pti){
2846         retval = OutOfMemory;
2847         goto end;
2848     }
2849
2850     for(i = 0; i < count; i ++){
2851         ptf[i].X = (REAL) points[i].X;
2852         ptf[i].Y = (REAL) points[i].Y;
2853     }
2854
2855     save_state = SaveDC(graphics->hdc);
2856     EndPath(graphics->hdc);
2857     SetPolyFillMode(graphics->hdc, (fillMode == FillModeAlternate ? ALTERNATE
2858                                                                   : WINDING));
2859
2860     transform_and_round_points(graphics, pti, ptf, count);
2861
2862     BeginPath(graphics->hdc);
2863     Polygon(graphics->hdc, pti, count);
2864     EndPath(graphics->hdc);
2865
2866     brush_fill_path(graphics, brush);
2867
2868     RestoreDC(graphics->hdc, save_state);
2869
2870 end:
2871     GdipFree(ptf);
2872     GdipFree(pti);
2873
2874     return retval;
2875 }
2876
2877 GpStatus WINGDIPAPI GdipFillPolygon2(GpGraphics *graphics, GpBrush *brush,
2878     GDIPCONST GpPointF *points, INT count)
2879 {
2880     TRACE("(%p, %p, %p, %d)\n", graphics, brush, points, count);
2881
2882     return GdipFillPolygon(graphics, brush, points, count, FillModeAlternate);
2883 }
2884
2885 GpStatus WINGDIPAPI GdipFillPolygon2I(GpGraphics *graphics, GpBrush *brush,
2886     GDIPCONST GpPoint *points, INT count)
2887 {
2888     TRACE("(%p, %p, %p, %d)\n", graphics, brush, points, count);
2889
2890     return GdipFillPolygonI(graphics, brush, points, count, FillModeAlternate);
2891 }
2892
2893 GpStatus WINGDIPAPI GdipFillRectangle(GpGraphics *graphics, GpBrush *brush,
2894     REAL x, REAL y, REAL width, REAL height)
2895 {
2896     INT save_state;
2897     GpPointF ptf[4];
2898     POINT pti[4];
2899
2900     TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, brush, x, y, width, height);
2901
2902     if(!graphics || !brush)
2903         return InvalidParameter;
2904
2905     if(graphics->busy)
2906         return ObjectBusy;
2907
2908     ptf[0].X = x;
2909     ptf[0].Y = y;
2910     ptf[1].X = x + width;
2911     ptf[1].Y = y;
2912     ptf[2].X = x + width;
2913     ptf[2].Y = y + height;
2914     ptf[3].X = x;
2915     ptf[3].Y = y + height;
2916
2917     save_state = SaveDC(graphics->hdc);
2918     EndPath(graphics->hdc);
2919
2920     transform_and_round_points(graphics, pti, ptf, 4);
2921
2922     BeginPath(graphics->hdc);
2923     Polygon(graphics->hdc, pti, 4);
2924     EndPath(graphics->hdc);
2925
2926     brush_fill_path(graphics, brush);
2927
2928     RestoreDC(graphics->hdc, save_state);
2929
2930     return Ok;
2931 }
2932
2933 GpStatus WINGDIPAPI GdipFillRectangleI(GpGraphics *graphics, GpBrush *brush,
2934     INT x, INT y, INT width, INT height)
2935 {
2936     INT save_state;
2937     GpPointF ptf[4];
2938     POINT pti[4];
2939
2940     TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, brush, x, y, width, height);
2941
2942     if(!graphics || !brush)
2943         return InvalidParameter;
2944
2945     if(graphics->busy)
2946         return ObjectBusy;
2947
2948     ptf[0].X = x;
2949     ptf[0].Y = y;
2950     ptf[1].X = x + width;
2951     ptf[1].Y = y;
2952     ptf[2].X = x + width;
2953     ptf[2].Y = y + height;
2954     ptf[3].X = x;
2955     ptf[3].Y = y + height;
2956
2957     save_state = SaveDC(graphics->hdc);
2958     EndPath(graphics->hdc);
2959
2960     transform_and_round_points(graphics, pti, ptf, 4);
2961
2962     BeginPath(graphics->hdc);
2963     Polygon(graphics->hdc, pti, 4);
2964     EndPath(graphics->hdc);
2965
2966     brush_fill_path(graphics, brush);
2967
2968     RestoreDC(graphics->hdc, save_state);
2969
2970     return Ok;
2971 }
2972
2973 GpStatus WINGDIPAPI GdipFillRectangles(GpGraphics *graphics, GpBrush *brush, GDIPCONST GpRectF *rects,
2974     INT count)
2975 {
2976     GpStatus ret;
2977     INT i;
2978
2979     TRACE("(%p, %p, %p, %d)\n", graphics, brush, rects, count);
2980
2981     if(!rects)
2982         return InvalidParameter;
2983
2984     for(i = 0; i < count; i++){
2985         ret = GdipFillRectangle(graphics, brush, rects[i].X, rects[i].Y, rects[i].Width, rects[i].Height);
2986         if(ret != Ok)   return ret;
2987     }
2988
2989     return Ok;
2990 }
2991
2992 GpStatus WINGDIPAPI GdipFillRectanglesI(GpGraphics *graphics, GpBrush *brush, GDIPCONST GpRect *rects,
2993     INT count)
2994 {
2995     GpRectF *rectsF;
2996     GpStatus ret;
2997     INT i;
2998
2999     TRACE("(%p, %p, %p, %d)\n", graphics, brush, rects, count);
3000
3001     if(!rects || count <= 0)
3002         return InvalidParameter;
3003
3004     rectsF = GdipAlloc(sizeof(GpRectF)*count);
3005     if(!rectsF)
3006         return OutOfMemory;
3007
3008     for(i = 0; i < count; i++){
3009         rectsF[i].X      = (REAL)rects[i].X;
3010         rectsF[i].Y      = (REAL)rects[i].Y;
3011         rectsF[i].X      = (REAL)rects[i].Width;
3012         rectsF[i].Height = (REAL)rects[i].Height;
3013     }
3014
3015     ret = GdipFillRectangles(graphics,brush,rectsF,count);
3016     GdipFree(rectsF);
3017
3018     return ret;
3019 }
3020
3021 /*****************************************************************************
3022  * GdipFillRegion [GDIPLUS.@]
3023  */
3024 GpStatus WINGDIPAPI GdipFillRegion(GpGraphics* graphics, GpBrush* brush,
3025         GpRegion* region)
3026 {
3027     INT save_state;
3028     GpStatus status;
3029     HRGN hrgn;
3030     RECT rc;
3031
3032     TRACE("(%p, %p, %p)\n", graphics, brush, region);
3033
3034     if (!(graphics && brush && region))
3035         return InvalidParameter;
3036
3037     if(graphics->busy)
3038         return ObjectBusy;
3039
3040     status = GdipGetRegionHRgn(region, graphics, &hrgn);
3041     if(status != Ok)
3042         return status;
3043
3044     save_state = SaveDC(graphics->hdc);
3045     EndPath(graphics->hdc);
3046
3047     ExtSelectClipRgn(graphics->hdc, hrgn, RGN_AND);
3048
3049     if (GetClipBox(graphics->hdc, &rc) != NULLREGION)
3050     {
3051         BeginPath(graphics->hdc);
3052         Rectangle(graphics->hdc, rc.left, rc.top, rc.right, rc.bottom);
3053         EndPath(graphics->hdc);
3054
3055         brush_fill_path(graphics, brush);
3056     }
3057
3058     RestoreDC(graphics->hdc, save_state);
3059
3060     DeleteObject(hrgn);
3061
3062     return Ok;
3063 }
3064
3065 GpStatus WINGDIPAPI GdipFlush(GpGraphics *graphics, GpFlushIntention intention)
3066 {
3067     static int calls;
3068
3069     TRACE("(%p,%u)\n", graphics, intention);
3070
3071     if(!graphics)
3072         return InvalidParameter;
3073
3074     if(graphics->busy)
3075         return ObjectBusy;
3076
3077     if(!(calls++))
3078         FIXME("not implemented\n");
3079
3080     return NotImplemented;
3081 }
3082
3083 /*****************************************************************************
3084  * GdipGetClipBounds [GDIPLUS.@]
3085  */
3086 GpStatus WINGDIPAPI GdipGetClipBounds(GpGraphics *graphics, GpRectF *rect)
3087 {
3088     TRACE("(%p, %p)\n", graphics, rect);
3089
3090     if(!graphics)
3091         return InvalidParameter;
3092
3093     if(graphics->busy)
3094         return ObjectBusy;
3095
3096     return GdipGetRegionBounds(graphics->clip, graphics, rect);
3097 }
3098
3099 /*****************************************************************************
3100  * GdipGetClipBoundsI [GDIPLUS.@]
3101  */
3102 GpStatus WINGDIPAPI GdipGetClipBoundsI(GpGraphics *graphics, GpRect *rect)
3103 {
3104     TRACE("(%p, %p)\n", graphics, rect);
3105
3106     if(!graphics)
3107         return InvalidParameter;
3108
3109     if(graphics->busy)
3110         return ObjectBusy;
3111
3112     return GdipGetRegionBoundsI(graphics->clip, graphics, rect);
3113 }
3114
3115 /* FIXME: Compositing mode is not used anywhere except the getter/setter. */
3116 GpStatus WINGDIPAPI GdipGetCompositingMode(GpGraphics *graphics,
3117     CompositingMode *mode)
3118 {
3119     TRACE("(%p, %p)\n", graphics, mode);
3120
3121     if(!graphics || !mode)
3122         return InvalidParameter;
3123
3124     if(graphics->busy)
3125         return ObjectBusy;
3126
3127     *mode = graphics->compmode;
3128
3129     return Ok;
3130 }
3131
3132 /* FIXME: Compositing quality is not used anywhere except the getter/setter. */
3133 GpStatus WINGDIPAPI GdipGetCompositingQuality(GpGraphics *graphics,
3134     CompositingQuality *quality)
3135 {
3136     TRACE("(%p, %p)\n", graphics, quality);
3137
3138     if(!graphics || !quality)
3139         return InvalidParameter;
3140
3141     if(graphics->busy)
3142         return ObjectBusy;
3143
3144     *quality = graphics->compqual;
3145
3146     return Ok;
3147 }
3148
3149 /* FIXME: Interpolation mode is not used anywhere except the getter/setter. */
3150 GpStatus WINGDIPAPI GdipGetInterpolationMode(GpGraphics *graphics,
3151     InterpolationMode *mode)
3152 {
3153     TRACE("(%p, %p)\n", graphics, mode);
3154
3155     if(!graphics || !mode)
3156         return InvalidParameter;
3157
3158     if(graphics->busy)
3159         return ObjectBusy;
3160
3161     *mode = graphics->interpolation;
3162
3163     return Ok;
3164 }
3165
3166 GpStatus WINGDIPAPI GdipGetNearestColor(GpGraphics *graphics, ARGB* argb)
3167 {
3168     FIXME("(%p, %p): stub\n", graphics, argb);
3169
3170     if(!graphics || !argb)
3171         return InvalidParameter;
3172
3173     if(graphics->busy)
3174         return ObjectBusy;
3175
3176     return NotImplemented;
3177 }
3178
3179 GpStatus WINGDIPAPI GdipGetPageScale(GpGraphics *graphics, REAL *scale)
3180 {
3181     TRACE("(%p, %p)\n", graphics, scale);
3182
3183     if(!graphics || !scale)
3184         return InvalidParameter;
3185
3186     if(graphics->busy)
3187         return ObjectBusy;
3188
3189     *scale = graphics->scale;
3190
3191     return Ok;
3192 }
3193
3194 GpStatus WINGDIPAPI GdipGetPageUnit(GpGraphics *graphics, GpUnit *unit)
3195 {
3196     TRACE("(%p, %p)\n", graphics, unit);
3197
3198     if(!graphics || !unit)
3199         return InvalidParameter;
3200
3201     if(graphics->busy)
3202         return ObjectBusy;
3203
3204     *unit = graphics->unit;
3205
3206     return Ok;
3207 }
3208
3209 /* FIXME: Pixel offset mode is not used anywhere except the getter/setter. */
3210 GpStatus WINGDIPAPI GdipGetPixelOffsetMode(GpGraphics *graphics, PixelOffsetMode
3211     *mode)
3212 {
3213     TRACE("(%p, %p)\n", graphics, mode);
3214
3215     if(!graphics || !mode)
3216         return InvalidParameter;
3217
3218     if(graphics->busy)
3219         return ObjectBusy;
3220
3221     *mode = graphics->pixeloffset;
3222
3223     return Ok;
3224 }
3225
3226 /* FIXME: Smoothing mode is not used anywhere except the getter/setter. */
3227 GpStatus WINGDIPAPI GdipGetSmoothingMode(GpGraphics *graphics, SmoothingMode *mode)
3228 {
3229     TRACE("(%p, %p)\n", graphics, mode);
3230
3231     if(!graphics || !mode)
3232         return InvalidParameter;
3233
3234     if(graphics->busy)
3235         return ObjectBusy;
3236
3237     *mode = graphics->smoothing;
3238
3239     return Ok;
3240 }
3241
3242 GpStatus WINGDIPAPI GdipGetTextContrast(GpGraphics *graphics, UINT *contrast)
3243 {
3244     TRACE("(%p, %p)\n", graphics, contrast);
3245
3246     if(!graphics || !contrast)
3247         return InvalidParameter;
3248
3249     *contrast = graphics->textcontrast;
3250
3251     return Ok;
3252 }
3253
3254 /* FIXME: Text rendering hint is not used anywhere except the getter/setter. */
3255 GpStatus WINGDIPAPI GdipGetTextRenderingHint(GpGraphics *graphics,
3256     TextRenderingHint *hint)
3257 {
3258     TRACE("(%p, %p)\n", graphics, hint);
3259
3260     if(!graphics || !hint)
3261         return InvalidParameter;
3262
3263     if(graphics->busy)
3264         return ObjectBusy;
3265
3266     *hint = graphics->texthint;
3267
3268     return Ok;
3269 }
3270
3271 GpStatus WINGDIPAPI GdipGetVisibleClipBounds(GpGraphics *graphics, GpRectF *rect)
3272 {
3273     GpRegion *clip_rgn;
3274     GpStatus stat;
3275
3276     TRACE("(%p, %p)\n", graphics, rect);
3277
3278     if(!graphics || !rect)
3279         return InvalidParameter;
3280
3281     if(graphics->busy)
3282         return ObjectBusy;
3283
3284     /* intersect window and graphics clipping regions */
3285     if((stat = GdipCreateRegion(&clip_rgn)) != Ok)
3286         return stat;
3287
3288     if((stat = get_visible_clip_region(graphics, clip_rgn)) != Ok)
3289         goto cleanup;
3290
3291     /* get bounds of the region */
3292     stat = GdipGetRegionBounds(clip_rgn, graphics, rect);
3293
3294 cleanup:
3295     GdipDeleteRegion(clip_rgn);
3296
3297     return stat;
3298 }
3299
3300 GpStatus WINGDIPAPI GdipGetVisibleClipBoundsI(GpGraphics *graphics, GpRect *rect)
3301 {
3302     GpRectF rectf;
3303     GpStatus stat;
3304
3305     TRACE("(%p, %p)\n", graphics, rect);
3306
3307     if(!graphics || !rect)
3308         return InvalidParameter;
3309
3310     if((stat = GdipGetVisibleClipBounds(graphics, &rectf)) == Ok)
3311     {
3312         rect->X = roundr(rectf.X);
3313         rect->Y = roundr(rectf.Y);
3314         rect->Width  = roundr(rectf.Width);
3315         rect->Height = roundr(rectf.Height);
3316     }
3317
3318     return stat;
3319 }
3320
3321 GpStatus WINGDIPAPI GdipGetWorldTransform(GpGraphics *graphics, GpMatrix *matrix)
3322 {
3323     TRACE("(%p, %p)\n", graphics, matrix);
3324
3325     if(!graphics || !matrix)
3326         return InvalidParameter;
3327
3328     if(graphics->busy)
3329         return ObjectBusy;
3330
3331     *matrix = *graphics->worldtrans;
3332     return Ok;
3333 }
3334
3335 GpStatus WINGDIPAPI GdipGraphicsClear(GpGraphics *graphics, ARGB color)
3336 {
3337     GpSolidFill *brush;
3338     GpStatus stat;
3339     GpRectF wnd_rect;
3340
3341     TRACE("(%p, %x)\n", graphics, color);
3342
3343     if(!graphics)
3344         return InvalidParameter;
3345
3346     if(graphics->busy)
3347         return ObjectBusy;
3348
3349     if((stat = GdipCreateSolidFill(color, &brush)) != Ok)
3350         return stat;
3351
3352     if((stat = get_graphics_bounds(graphics, &wnd_rect)) != Ok){
3353         GdipDeleteBrush((GpBrush*)brush);
3354         return stat;
3355     }
3356
3357     GdipFillRectangle(graphics, (GpBrush*)brush, wnd_rect.X, wnd_rect.Y,
3358                                                  wnd_rect.Width, wnd_rect.Height);
3359
3360     GdipDeleteBrush((GpBrush*)brush);
3361
3362     return Ok;
3363 }
3364
3365 GpStatus WINGDIPAPI GdipIsClipEmpty(GpGraphics *graphics, BOOL *res)
3366 {
3367     TRACE("(%p, %p)\n", graphics, res);
3368
3369     if(!graphics || !res)
3370         return InvalidParameter;
3371
3372     return GdipIsEmptyRegion(graphics->clip, graphics, res);
3373 }
3374
3375 GpStatus WINGDIPAPI GdipIsVisiblePoint(GpGraphics *graphics, REAL x, REAL y, BOOL *result)
3376 {
3377     GpStatus stat;
3378     GpRegion* rgn;
3379     GpPointF pt;
3380
3381     TRACE("(%p, %.2f, %.2f, %p)\n", graphics, x, y, result);
3382
3383     if(!graphics || !result)
3384         return InvalidParameter;
3385
3386     if(graphics->busy)
3387         return ObjectBusy;
3388
3389     pt.X = x;
3390     pt.Y = y;
3391     if((stat = GdipTransformPoints(graphics, CoordinateSpaceDevice,
3392                    CoordinateSpaceWorld, &pt, 1)) != Ok)
3393         return stat;
3394
3395     if((stat = GdipCreateRegion(&rgn)) != Ok)
3396         return stat;
3397
3398     if((stat = get_visible_clip_region(graphics, rgn)) != Ok)
3399         goto cleanup;
3400
3401     stat = GdipIsVisibleRegionPoint(rgn, pt.X, pt.Y, graphics, result);
3402
3403 cleanup:
3404     GdipDeleteRegion(rgn);
3405     return stat;
3406 }
3407
3408 GpStatus WINGDIPAPI GdipIsVisiblePointI(GpGraphics *graphics, INT x, INT y, BOOL *result)
3409 {
3410     return GdipIsVisiblePoint(graphics, (REAL)x, (REAL)y, result);
3411 }
3412
3413 GpStatus WINGDIPAPI GdipIsVisibleRect(GpGraphics *graphics, REAL x, REAL y, REAL width, REAL height, BOOL *result)
3414 {
3415     GpStatus stat;
3416     GpRegion* rgn;
3417     GpPointF pts[2];
3418
3419     TRACE("(%p %.2f %.2f %.2f %.2f %p)\n", graphics, x, y, width, height, result);
3420
3421     if(!graphics || !result)
3422         return InvalidParameter;
3423
3424     if(graphics->busy)
3425         return ObjectBusy;
3426
3427     pts[0].X = x;
3428     pts[0].Y = y;
3429     pts[1].X = x + width;
3430     pts[1].Y = y + height;
3431
3432     if((stat = GdipTransformPoints(graphics, CoordinateSpaceDevice,
3433                     CoordinateSpaceWorld, pts, 2)) != Ok)
3434         return stat;
3435
3436     pts[1].X -= pts[0].X;
3437     pts[1].Y -= pts[0].Y;
3438
3439     if((stat = GdipCreateRegion(&rgn)) != Ok)
3440         return stat;
3441
3442     if((stat = get_visible_clip_region(graphics, rgn)) != Ok)
3443         goto cleanup;
3444
3445     stat = GdipIsVisibleRegionRect(rgn, pts[0].X, pts[0].Y, pts[1].X, pts[1].Y, graphics, result);
3446
3447 cleanup:
3448     GdipDeleteRegion(rgn);
3449     return stat;
3450 }
3451
3452 GpStatus WINGDIPAPI GdipIsVisibleRectI(GpGraphics *graphics, INT x, INT y, INT width, INT height, BOOL *result)
3453 {
3454     return GdipIsVisibleRect(graphics, (REAL)x, (REAL)y, (REAL)width, (REAL)height, result);
3455 }
3456
3457 GpStatus WINGDIPAPI GdipMeasureCharacterRanges(GpGraphics* graphics,
3458         GDIPCONST WCHAR* string, INT length, GDIPCONST GpFont* font,
3459         GDIPCONST RectF* layoutRect, GDIPCONST GpStringFormat *stringFormat,
3460         INT regionCount, GpRegion** regions)
3461 {
3462     FIXME("stub: %p %s %d %p %p %p %d %p\n", graphics, debugstr_w(string),
3463             length, font, layoutRect, stringFormat, regionCount, regions);
3464
3465     if (!(graphics && string && font && layoutRect && stringFormat && regions))
3466         return InvalidParameter;
3467
3468     return NotImplemented;
3469 }
3470
3471 /* Find the smallest rectangle that bounds the text when it is printed in rect
3472  * according to the format options listed in format. If rect has 0 width and
3473  * height, then just find the smallest rectangle that bounds the text when it's
3474  * printed at location (rect->X, rect-Y). */
3475 GpStatus WINGDIPAPI GdipMeasureString(GpGraphics *graphics,
3476     GDIPCONST WCHAR *string, INT length, GDIPCONST GpFont *font,
3477     GDIPCONST RectF *rect, GDIPCONST GpStringFormat *format, RectF *bounds,
3478     INT *codepointsfitted, INT *linesfilled)
3479 {
3480     HFONT oldfont;
3481     WCHAR* stringdup;
3482     INT sum = 0, height = 0, fit, fitcpy, max_width = 0, i, j, lret, nwidth,
3483         nheight, lineend;
3484     SIZE size;
3485
3486     TRACE("(%p, %s, %i, %p, %s, %p, %p, %p, %p)\n", graphics,
3487         debugstr_wn(string, length), length, font, debugstr_rectf(rect), format,
3488         bounds, codepointsfitted, linesfilled);
3489
3490     if(!graphics || !string || !font || !rect)
3491         return InvalidParameter;
3492
3493     if(linesfilled) *linesfilled = 0;
3494     if(codepointsfitted) *codepointsfitted = 0;
3495
3496     if(format)
3497         TRACE("may be ignoring some format flags: attr %x\n", format->attr);
3498
3499     if(length == -1) length = lstrlenW(string);
3500
3501     stringdup = GdipAlloc((length + 1) * sizeof(WCHAR));
3502     if(!stringdup) return OutOfMemory;
3503
3504     oldfont = SelectObject(graphics->hdc, CreateFontIndirectW(&font->lfw));
3505     nwidth = roundr(rect->Width);
3506     nheight = roundr(rect->Height);
3507
3508     if((nwidth == 0) && (nheight == 0))
3509         nwidth = nheight = INT_MAX;
3510
3511     for(i = 0, j = 0; i < length; i++){
3512         if(!isprintW(string[i]) && (string[i] != '\n'))
3513             continue;
3514
3515         stringdup[j] = string[i];
3516         j++;
3517     }
3518
3519     stringdup[j] = 0;
3520     length = j;
3521
3522     while(sum < length){
3523         GetTextExtentExPointW(graphics->hdc, stringdup + sum, length - sum,
3524                               nwidth, &fit, NULL, &size);
3525         fitcpy = fit;
3526
3527         if(fit == 0)
3528             break;
3529
3530         for(lret = 0; lret < fit; lret++)
3531             if(*(stringdup + sum + lret) == '\n')
3532                 break;
3533
3534         /* Line break code (may look strange, but it imitates windows). */
3535         if(lret < fit)
3536             lineend = fit = lret;    /* this is not an off-by-one error */
3537         else if(fit < (length - sum)){
3538             if(*(stringdup + sum + fit) == ' ')
3539                 while(*(stringdup + sum + fit) == ' ')
3540                     fit++;
3541             else
3542                 while(*(stringdup + sum + fit - 1) != ' '){
3543                     fit--;
3544
3545                     if(*(stringdup + sum + fit) == '\t')
3546                         break;
3547
3548                     if(fit == 0){
3549                         fit = fitcpy;
3550                         break;
3551                     }
3552                 }
3553             lineend = fit;
3554             while(*(stringdup + sum + lineend - 1) == ' ' ||
3555                   *(stringdup + sum + lineend - 1) == '\t')
3556                 lineend--;
3557         }
3558         else
3559             lineend = fit;
3560
3561         GetTextExtentExPointW(graphics->hdc, stringdup + sum, lineend,
3562                               nwidth, &j, NULL, &size);
3563
3564         sum += fit + (lret < fitcpy ? 1 : 0);
3565         if(codepointsfitted) *codepointsfitted = sum;
3566
3567         height += size.cy;
3568         if(linesfilled) *linesfilled += size.cy;
3569         max_width = max(max_width, size.cx);
3570
3571         if(height > nheight)
3572             break;
3573
3574         /* Stop if this was a linewrap (but not if it was a linebreak). */
3575         if((lret == fitcpy) && format && (format->attr & StringFormatFlagsNoWrap))
3576             break;
3577     }
3578
3579     bounds->X = rect->X;
3580     bounds->Y = rect->Y;
3581     bounds->Width = (REAL)max_width;
3582     bounds->Height = (REAL) min(height, nheight);
3583
3584     GdipFree(stringdup);
3585     DeleteObject(SelectObject(graphics->hdc, oldfont));
3586
3587     return Ok;
3588 }
3589
3590 GpStatus WINGDIPAPI GdipResetClip(GpGraphics *graphics)
3591 {
3592     TRACE("(%p)\n", graphics);
3593
3594     if(!graphics)
3595         return InvalidParameter;
3596
3597     if(graphics->busy)
3598         return ObjectBusy;
3599
3600     return GdipSetInfinite(graphics->clip);
3601 }
3602
3603 GpStatus WINGDIPAPI GdipResetWorldTransform(GpGraphics *graphics)
3604 {
3605     TRACE("(%p)\n", graphics);
3606
3607     if(!graphics)
3608         return InvalidParameter;
3609
3610     if(graphics->busy)
3611         return ObjectBusy;
3612
3613     graphics->worldtrans->matrix[0] = 1.0;
3614     graphics->worldtrans->matrix[1] = 0.0;
3615     graphics->worldtrans->matrix[2] = 0.0;
3616     graphics->worldtrans->matrix[3] = 1.0;
3617     graphics->worldtrans->matrix[4] = 0.0;
3618     graphics->worldtrans->matrix[5] = 0.0;
3619
3620     return Ok;
3621 }
3622
3623 GpStatus WINGDIPAPI GdipRestoreGraphics(GpGraphics *graphics, GraphicsState state)
3624 {
3625     return GdipEndContainer(graphics, state);
3626 }
3627
3628 GpStatus WINGDIPAPI GdipRotateWorldTransform(GpGraphics *graphics, REAL angle,
3629     GpMatrixOrder order)
3630 {
3631     TRACE("(%p, %.2f, %d)\n", graphics, angle, order);
3632
3633     if(!graphics)
3634         return InvalidParameter;
3635
3636     if(graphics->busy)
3637         return ObjectBusy;
3638
3639     return GdipRotateMatrix(graphics->worldtrans, angle, order);
3640 }
3641
3642 GpStatus WINGDIPAPI GdipSaveGraphics(GpGraphics *graphics, GraphicsState *state)
3643 {
3644     return GdipBeginContainer2(graphics, state);
3645 }
3646
3647 GpStatus WINGDIPAPI GdipBeginContainer2(GpGraphics *graphics,
3648         GraphicsContainer *state)
3649 {
3650     GraphicsContainerItem *container;
3651     GpStatus sts;
3652
3653     TRACE("(%p, %p)\n", graphics, state);
3654
3655     if(!graphics || !state)
3656         return InvalidParameter;
3657
3658     sts = init_container(&container, graphics);
3659     if(sts != Ok)
3660         return sts;
3661
3662     list_add_head(&graphics->containers, &container->entry);
3663     *state = graphics->contid = container->contid;
3664
3665     return Ok;
3666 }
3667
3668 GpStatus WINGDIPAPI GdipBeginContainer(GpGraphics *graphics, GDIPCONST GpRectF *dstrect, GDIPCONST GpRectF *srcrect, GpUnit unit, GraphicsContainer *state)
3669 {
3670     FIXME("(%p, %p, %p, %d, %p): stub\n", graphics, dstrect, srcrect, unit, state);
3671     return NotImplemented;
3672 }
3673
3674 GpStatus WINGDIPAPI GdipBeginContainerI(GpGraphics *graphics, GDIPCONST GpRect *dstrect, GDIPCONST GpRect *srcrect, GpUnit unit, GraphicsContainer *state)
3675 {
3676     FIXME("(%p, %p, %p, %d, %p): stub\n", graphics, dstrect, srcrect, unit, state);
3677     return NotImplemented;
3678 }
3679
3680 GpStatus WINGDIPAPI GdipComment(GpGraphics *graphics, UINT sizeData, GDIPCONST BYTE *data)
3681 {
3682     FIXME("(%p, %d, %p): stub\n", graphics, sizeData, data);
3683     return NotImplemented;
3684 }
3685
3686 GpStatus WINGDIPAPI GdipEndContainer(GpGraphics *graphics, GraphicsContainer state)
3687 {
3688     GpStatus sts;
3689     GraphicsContainerItem *container, *container2;
3690
3691     TRACE("(%p, %x)\n", graphics, state);
3692
3693     if(!graphics)
3694         return InvalidParameter;
3695
3696     LIST_FOR_EACH_ENTRY(container, &graphics->containers, GraphicsContainerItem, entry){
3697         if(container->contid == state)
3698             break;
3699     }
3700
3701     /* did not find a matching container */
3702     if(&container->entry == &graphics->containers)
3703         return Ok;
3704
3705     sts = restore_container(graphics, container);
3706     if(sts != Ok)
3707         return sts;
3708
3709     /* remove all of the containers on top of the found container */
3710     LIST_FOR_EACH_ENTRY_SAFE(container, container2, &graphics->containers, GraphicsContainerItem, entry){
3711         if(container->contid == state)
3712             break;
3713         list_remove(&container->entry);
3714         delete_container(container);
3715     }
3716
3717     list_remove(&container->entry);
3718     delete_container(container);
3719
3720     return Ok;
3721 }
3722
3723 GpStatus WINGDIPAPI GdipScaleWorldTransform(GpGraphics *graphics, REAL sx,
3724     REAL sy, GpMatrixOrder order)
3725 {
3726     TRACE("(%p, %.2f, %.2f, %d)\n", graphics, sx, sy, order);
3727
3728     if(!graphics)
3729         return InvalidParameter;
3730
3731     if(graphics->busy)
3732         return ObjectBusy;
3733
3734     return GdipScaleMatrix(graphics->worldtrans, sx, sy, order);
3735 }
3736
3737 GpStatus WINGDIPAPI GdipSetClipGraphics(GpGraphics *graphics, GpGraphics *srcgraphics,
3738     CombineMode mode)
3739 {
3740     TRACE("(%p, %p, %d)\n", graphics, srcgraphics, mode);
3741
3742     if(!graphics || !srcgraphics)
3743         return InvalidParameter;
3744
3745     return GdipCombineRegionRegion(graphics->clip, srcgraphics->clip, mode);
3746 }
3747
3748 GpStatus WINGDIPAPI GdipSetCompositingMode(GpGraphics *graphics,
3749     CompositingMode mode)
3750 {
3751     TRACE("(%p, %d)\n", graphics, mode);
3752
3753     if(!graphics)
3754         return InvalidParameter;
3755
3756     if(graphics->busy)
3757         return ObjectBusy;
3758
3759     graphics->compmode = mode;
3760
3761     return Ok;
3762 }
3763
3764 GpStatus WINGDIPAPI GdipSetCompositingQuality(GpGraphics *graphics,
3765     CompositingQuality quality)
3766 {
3767     TRACE("(%p, %d)\n", graphics, quality);
3768
3769     if(!graphics)
3770         return InvalidParameter;
3771
3772     if(graphics->busy)
3773         return ObjectBusy;
3774
3775     graphics->compqual = quality;
3776
3777     return Ok;
3778 }
3779
3780 GpStatus WINGDIPAPI GdipSetInterpolationMode(GpGraphics *graphics,
3781     InterpolationMode mode)
3782 {
3783     TRACE("(%p, %d)\n", graphics, mode);
3784
3785     if(!graphics)
3786         return InvalidParameter;
3787
3788     if(graphics->busy)
3789         return ObjectBusy;
3790
3791     graphics->interpolation = mode;
3792
3793     return Ok;
3794 }
3795
3796 GpStatus WINGDIPAPI GdipSetPageScale(GpGraphics *graphics, REAL scale)
3797 {
3798     TRACE("(%p, %.2f)\n", graphics, scale);
3799
3800     if(!graphics || (scale <= 0.0))
3801         return InvalidParameter;
3802
3803     if(graphics->busy)
3804         return ObjectBusy;
3805
3806     graphics->scale = scale;
3807
3808     return Ok;
3809 }
3810
3811 GpStatus WINGDIPAPI GdipSetPageUnit(GpGraphics *graphics, GpUnit unit)
3812 {
3813     TRACE("(%p, %d)\n", graphics, unit);
3814
3815     if(!graphics)
3816         return InvalidParameter;
3817
3818     if(graphics->busy)
3819         return ObjectBusy;
3820
3821     if(unit == UnitWorld)
3822         return InvalidParameter;
3823
3824     graphics->unit = unit;
3825
3826     return Ok;
3827 }
3828
3829 GpStatus WINGDIPAPI GdipSetPixelOffsetMode(GpGraphics *graphics, PixelOffsetMode
3830     mode)
3831 {
3832     TRACE("(%p, %d)\n", graphics, mode);
3833
3834     if(!graphics)
3835         return InvalidParameter;
3836
3837     if(graphics->busy)
3838         return ObjectBusy;
3839
3840     graphics->pixeloffset = mode;
3841
3842     return Ok;
3843 }
3844
3845 GpStatus WINGDIPAPI GdipSetRenderingOrigin(GpGraphics *graphics, INT x, INT y)
3846 {
3847     static int calls;
3848
3849     TRACE("(%p,%i,%i)\n", graphics, x, y);
3850
3851     if (!(calls++))
3852         FIXME("not implemented\n");
3853
3854     return NotImplemented;
3855 }
3856
3857 GpStatus WINGDIPAPI GdipSetSmoothingMode(GpGraphics *graphics, SmoothingMode mode)
3858 {
3859     TRACE("(%p, %d)\n", graphics, mode);
3860
3861     if(!graphics)
3862         return InvalidParameter;
3863
3864     if(graphics->busy)
3865         return ObjectBusy;
3866
3867     graphics->smoothing = mode;
3868
3869     return Ok;
3870 }
3871
3872 GpStatus WINGDIPAPI GdipSetTextContrast(GpGraphics *graphics, UINT contrast)
3873 {
3874     TRACE("(%p, %d)\n", graphics, contrast);
3875
3876     if(!graphics)
3877         return InvalidParameter;
3878
3879     graphics->textcontrast = contrast;
3880
3881     return Ok;
3882 }
3883
3884 GpStatus WINGDIPAPI GdipSetTextRenderingHint(GpGraphics *graphics,
3885     TextRenderingHint hint)
3886 {
3887     TRACE("(%p, %d)\n", graphics, hint);
3888
3889     if(!graphics)
3890         return InvalidParameter;
3891
3892     if(graphics->busy)
3893         return ObjectBusy;
3894
3895     graphics->texthint = hint;
3896
3897     return Ok;
3898 }
3899
3900 GpStatus WINGDIPAPI GdipSetWorldTransform(GpGraphics *graphics, GpMatrix *matrix)
3901 {
3902     TRACE("(%p, %p)\n", graphics, matrix);
3903
3904     if(!graphics || !matrix)
3905         return InvalidParameter;
3906
3907     if(graphics->busy)
3908         return ObjectBusy;
3909
3910     GdipDeleteMatrix(graphics->worldtrans);
3911     return GdipCloneMatrix(matrix, &graphics->worldtrans);
3912 }
3913
3914 GpStatus WINGDIPAPI GdipTranslateWorldTransform(GpGraphics *graphics, REAL dx,
3915     REAL dy, GpMatrixOrder order)
3916 {
3917     TRACE("(%p, %.2f, %.2f, %d)\n", graphics, dx, dy, order);
3918
3919     if(!graphics)
3920         return InvalidParameter;
3921
3922     if(graphics->busy)
3923         return ObjectBusy;
3924
3925     return GdipTranslateMatrix(graphics->worldtrans, dx, dy, order);
3926 }
3927
3928 /*****************************************************************************
3929  * GdipSetClipHrgn [GDIPLUS.@]
3930  */
3931 GpStatus WINGDIPAPI GdipSetClipHrgn(GpGraphics *graphics, HRGN hrgn, CombineMode mode)
3932 {
3933     GpRegion *region;
3934     GpStatus status;
3935
3936     TRACE("(%p, %p, %d)\n", graphics, hrgn, mode);
3937
3938     if(!graphics)
3939         return InvalidParameter;
3940
3941     status = GdipCreateRegionHrgn(hrgn, &region);
3942     if(status != Ok)
3943         return status;
3944
3945     status = GdipSetClipRegion(graphics, region, mode);
3946
3947     GdipDeleteRegion(region);
3948     return status;
3949 }
3950
3951 GpStatus WINGDIPAPI GdipSetClipPath(GpGraphics *graphics, GpPath *path, CombineMode mode)
3952 {
3953     TRACE("(%p, %p, %d)\n", graphics, path, mode);
3954
3955     if(!graphics)
3956         return InvalidParameter;
3957
3958     if(graphics->busy)
3959         return ObjectBusy;
3960
3961     return GdipCombineRegionPath(graphics->clip, path, mode);
3962 }
3963
3964 GpStatus WINGDIPAPI GdipSetClipRect(GpGraphics *graphics, REAL x, REAL y,
3965                                     REAL width, REAL height,
3966                                     CombineMode mode)
3967 {
3968     GpRectF rect;
3969
3970     TRACE("(%p, %.2f, %.2f, %.2f, %.2f, %d)\n", graphics, x, y, width, height, mode);
3971
3972     if(!graphics)
3973         return InvalidParameter;
3974
3975     if(graphics->busy)
3976         return ObjectBusy;
3977
3978     rect.X = x;
3979     rect.Y = y;
3980     rect.Width  = width;
3981     rect.Height = height;
3982
3983     return GdipCombineRegionRect(graphics->clip, &rect, mode);
3984 }
3985
3986 GpStatus WINGDIPAPI GdipSetClipRectI(GpGraphics *graphics, INT x, INT y,
3987                                      INT width, INT height,
3988                                      CombineMode mode)
3989 {
3990     TRACE("(%p, %d, %d, %d, %d, %d)\n", graphics, x, y, width, height, mode);
3991
3992     if(!graphics)
3993         return InvalidParameter;
3994
3995     if(graphics->busy)
3996         return ObjectBusy;
3997
3998     return GdipSetClipRect(graphics, (REAL)x, (REAL)y, (REAL)width, (REAL)height, mode);
3999 }
4000
4001 GpStatus WINGDIPAPI GdipSetClipRegion(GpGraphics *graphics, GpRegion *region,
4002                                       CombineMode mode)
4003 {
4004     TRACE("(%p, %p, %d)\n", graphics, region, mode);
4005
4006     if(!graphics || !region)
4007         return InvalidParameter;
4008
4009     if(graphics->busy)
4010         return ObjectBusy;
4011
4012     return GdipCombineRegionRegion(graphics->clip, region, mode);
4013 }
4014
4015 GpStatus WINGDIPAPI GdipSetMetafileDownLevelRasterizationLimit(GpMetafile *metafile,
4016     UINT limitDpi)
4017 {
4018     static int calls;
4019
4020     TRACE("(%p,%u)\n", metafile, limitDpi);
4021
4022     if(!(calls++))
4023         FIXME("not implemented\n");
4024
4025     return NotImplemented;
4026 }
4027
4028 GpStatus WINGDIPAPI GdipDrawPolygon(GpGraphics *graphics,GpPen *pen,GDIPCONST GpPointF *points,
4029     INT count)
4030 {
4031     INT save_state;
4032     POINT *pti;
4033
4034     TRACE("(%p, %p, %d)\n", graphics, points, count);
4035
4036     if(!graphics || !pen || count<=0)
4037         return InvalidParameter;
4038
4039     if(graphics->busy)
4040         return ObjectBusy;
4041
4042     pti = GdipAlloc(sizeof(POINT) * count);
4043
4044     save_state = prepare_dc(graphics, pen);
4045     SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
4046
4047     transform_and_round_points(graphics, pti, (GpPointF*)points, count);
4048     Polygon(graphics->hdc, pti, count);
4049
4050     restore_dc(graphics, save_state);
4051     GdipFree(pti);
4052
4053     return Ok;
4054 }
4055
4056 GpStatus WINGDIPAPI GdipDrawPolygonI(GpGraphics *graphics,GpPen *pen,GDIPCONST GpPoint *points,
4057     INT count)
4058 {
4059     GpStatus ret;
4060     GpPointF *ptf;
4061     INT i;
4062
4063     TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
4064
4065     if(count<=0)    return InvalidParameter;
4066     ptf = GdipAlloc(sizeof(GpPointF) * count);
4067
4068     for(i = 0;i < count; i++){
4069         ptf[i].X = (REAL)points[i].X;
4070         ptf[i].Y = (REAL)points[i].Y;
4071     }
4072
4073     ret = GdipDrawPolygon(graphics,pen,ptf,count);
4074     GdipFree(ptf);
4075
4076     return ret;
4077 }
4078
4079 GpStatus WINGDIPAPI GdipGetDpiX(GpGraphics *graphics, REAL* dpi)
4080 {
4081     TRACE("(%p, %p)\n", graphics, dpi);
4082
4083     if(!graphics || !dpi)
4084         return InvalidParameter;
4085
4086     if(graphics->busy)
4087         return ObjectBusy;
4088
4089     *dpi = (REAL)GetDeviceCaps(graphics->hdc, LOGPIXELSX);
4090
4091     return Ok;
4092 }
4093
4094 GpStatus WINGDIPAPI GdipGetDpiY(GpGraphics *graphics, REAL* dpi)
4095 {
4096     TRACE("(%p, %p)\n", graphics, dpi);
4097
4098     if(!graphics || !dpi)
4099         return InvalidParameter;
4100
4101     if(graphics->busy)
4102         return ObjectBusy;
4103
4104     *dpi = (REAL)GetDeviceCaps(graphics->hdc, LOGPIXELSY);
4105
4106     return Ok;
4107 }
4108
4109 GpStatus WINGDIPAPI GdipMultiplyWorldTransform(GpGraphics *graphics, GDIPCONST GpMatrix *matrix,
4110     GpMatrixOrder order)
4111 {
4112     GpMatrix m;
4113     GpStatus ret;
4114
4115     TRACE("(%p, %p, %d)\n", graphics, matrix, order);
4116
4117     if(!graphics || !matrix)
4118         return InvalidParameter;
4119
4120     if(graphics->busy)
4121         return ObjectBusy;
4122
4123     m = *(graphics->worldtrans);
4124
4125     ret = GdipMultiplyMatrix(&m, matrix, order);
4126     if(ret == Ok)
4127         *(graphics->worldtrans) = m;
4128
4129     return ret;
4130 }
4131
4132 GpStatus WINGDIPAPI GdipGetDC(GpGraphics *graphics, HDC *hdc)
4133 {
4134     TRACE("(%p, %p)\n", graphics, hdc);
4135
4136     if(!graphics || !hdc)
4137         return InvalidParameter;
4138
4139     if(graphics->busy)
4140         return ObjectBusy;
4141
4142     *hdc = graphics->hdc;
4143     graphics->busy = TRUE;
4144
4145     return Ok;
4146 }
4147
4148 GpStatus WINGDIPAPI GdipReleaseDC(GpGraphics *graphics, HDC hdc)
4149 {
4150     TRACE("(%p, %p)\n", graphics, hdc);
4151
4152     if(!graphics)
4153         return InvalidParameter;
4154
4155     if(graphics->hdc != hdc || !(graphics->busy))
4156         return InvalidParameter;
4157
4158     graphics->busy = FALSE;
4159
4160     return Ok;
4161 }
4162
4163 GpStatus WINGDIPAPI GdipGetClip(GpGraphics *graphics, GpRegion *region)
4164 {
4165     GpRegion *clip;
4166     GpStatus status;
4167
4168     TRACE("(%p, %p)\n", graphics, region);
4169
4170     if(!graphics || !region)
4171         return InvalidParameter;
4172
4173     if(graphics->busy)
4174         return ObjectBusy;
4175
4176     if((status = GdipCloneRegion(graphics->clip, &clip)) != Ok)
4177         return status;
4178
4179     /* free everything except root node and header */
4180     delete_element(&region->node);
4181     memcpy(region, clip, sizeof(GpRegion));
4182     GdipFree(clip);
4183
4184     return Ok;
4185 }
4186
4187 GpStatus WINGDIPAPI GdipTransformPoints(GpGraphics *graphics, GpCoordinateSpace dst_space,
4188                                         GpCoordinateSpace src_space, GpPointF *points, INT count)
4189 {
4190     GpMatrix *matrix;
4191     GpStatus stat;
4192     REAL unitscale;
4193
4194     if(!graphics || !points || count <= 0)
4195         return InvalidParameter;
4196
4197     if(graphics->busy)
4198         return ObjectBusy;
4199
4200     TRACE("(%p, %d, %d, %p, %d)\n", graphics, dst_space, src_space, points, count);
4201
4202     if (src_space == dst_space) return Ok;
4203
4204     stat = GdipCreateMatrix(&matrix);
4205     if (stat == Ok)
4206     {
4207         unitscale = convert_unit(graphics->hdc, graphics->unit);
4208
4209         if(graphics->unit != UnitDisplay)
4210             unitscale *= graphics->scale;
4211
4212         /* transform from src_space to CoordinateSpacePage */
4213         switch (src_space)
4214         {
4215         case CoordinateSpaceWorld:
4216             GdipMultiplyMatrix(matrix, graphics->worldtrans, MatrixOrderAppend);
4217             break;
4218         case CoordinateSpacePage:
4219             break;
4220         case CoordinateSpaceDevice:
4221             GdipScaleMatrix(matrix, 1.0/unitscale, 1.0/unitscale, MatrixOrderAppend);
4222             break;
4223         }
4224
4225         /* transform from CoordinateSpacePage to dst_space */
4226         switch (dst_space)
4227         {
4228         case CoordinateSpaceWorld:
4229             {
4230                 GpMatrix *inverted_transform;
4231                 stat = GdipCloneMatrix(graphics->worldtrans, &inverted_transform);
4232                 if (stat == Ok)
4233                 {
4234                     stat = GdipInvertMatrix(inverted_transform);
4235                     if (stat == Ok)
4236                         GdipMultiplyMatrix(matrix, inverted_transform, MatrixOrderAppend);
4237                     GdipDeleteMatrix(inverted_transform);
4238                 }
4239                 break;
4240             }
4241         case CoordinateSpacePage:
4242             break;
4243         case CoordinateSpaceDevice:
4244             GdipScaleMatrix(matrix, unitscale, unitscale, MatrixOrderAppend);
4245             break;
4246         }
4247
4248         if (stat == Ok)
4249             stat = GdipTransformMatrixPoints(matrix, points, count);
4250
4251         GdipDeleteMatrix(matrix);
4252     }
4253
4254     return stat;
4255 }
4256
4257 GpStatus WINGDIPAPI GdipTransformPointsI(GpGraphics *graphics, GpCoordinateSpace dst_space,
4258                                          GpCoordinateSpace src_space, GpPoint *points, INT count)
4259 {
4260     GpPointF *pointsF;
4261     GpStatus ret;
4262     INT i;
4263
4264     TRACE("(%p, %d, %d, %p, %d)\n", graphics, dst_space, src_space, points, count);
4265
4266     if(count <= 0)
4267         return InvalidParameter;
4268
4269     pointsF = GdipAlloc(sizeof(GpPointF) * count);
4270     if(!pointsF)
4271         return OutOfMemory;
4272
4273     for(i = 0; i < count; i++){
4274         pointsF[i].X = (REAL)points[i].X;
4275         pointsF[i].Y = (REAL)points[i].Y;
4276     }
4277
4278     ret = GdipTransformPoints(graphics, dst_space, src_space, pointsF, count);
4279
4280     if(ret == Ok)
4281         for(i = 0; i < count; i++){
4282             points[i].X = roundr(pointsF[i].X);
4283             points[i].Y = roundr(pointsF[i].Y);
4284         }
4285     GdipFree(pointsF);
4286
4287     return ret;
4288 }
4289
4290 HPALETTE WINGDIPAPI GdipCreateHalftonePalette(void)
4291 {
4292     FIXME("\n");
4293
4294     return NULL;
4295 }
4296
4297 /*****************************************************************************
4298  * GdipTranslateClip [GDIPLUS.@]
4299  */
4300 GpStatus WINGDIPAPI GdipTranslateClip(GpGraphics *graphics, REAL dx, REAL dy)
4301 {
4302     TRACE("(%p, %.2f, %.2f)\n", graphics, dx, dy);
4303
4304     if(!graphics)
4305         return InvalidParameter;
4306
4307     if(graphics->busy)
4308         return ObjectBusy;
4309
4310     return GdipTranslateRegion(graphics->clip, dx, dy);
4311 }
4312
4313 /*****************************************************************************
4314  * GdipTranslateClipI [GDIPLUS.@]
4315  */
4316 GpStatus WINGDIPAPI GdipTranslateClipI(GpGraphics *graphics, INT dx, INT dy)
4317 {
4318     TRACE("(%p, %d, %d)\n", graphics, dx, dy);
4319
4320     if(!graphics)
4321         return InvalidParameter;
4322
4323     if(graphics->busy)
4324         return ObjectBusy;
4325
4326     return GdipTranslateRegion(graphics->clip, (REAL)dx, (REAL)dy);
4327 }
4328
4329
4330 /*****************************************************************************
4331  * GdipMeasureDriverString [GDIPLUS.@]
4332  */
4333 GpStatus WINGDIPAPI GdipMeasureDriverString(GpGraphics *graphics, GDIPCONST UINT16 *text, INT length,
4334                                             GDIPCONST GpFont *font, GDIPCONST PointF *positions,
4335                                             INT flags, GDIPCONST GpMatrix *matrix, RectF *boundingBox)
4336 {
4337     FIXME("(%p %p %d %p %p %d %p %p): stub\n", graphics, text, length, font, positions, flags, matrix, boundingBox);
4338     return NotImplemented;
4339 }
4340
4341 /*****************************************************************************
4342  * GdipDrawDriverString [GDIPLUS.@]
4343  */
4344 GpStatus WINGDIPAPI GdipDrawDriverString(GpGraphics *graphics, GDIPCONST UINT16 *text, INT length,
4345                                          GDIPCONST GpFont *font, GDIPCONST GpBrush *brush,
4346                                          GDIPCONST PointF *positions, INT flags,
4347                                          GDIPCONST GpMatrix *matrix )
4348 {
4349     FIXME("(%p %p %d %p %p %p %d %p): stub\n", graphics, text, length, font, brush, positions, flags, matrix);
4350     return NotImplemented;
4351 }
4352
4353 /*****************************************************************************
4354  * GdipRecordMetafileI [GDIPLUS.@]
4355  */
4356 GpStatus WINGDIPAPI GdipRecordMetafileI(HDC hdc, EmfType type, GDIPCONST GpRect *frameRect,
4357                                         MetafileFrameUnit frameUnit, GDIPCONST WCHAR *desc, GpMetafile **metafile)
4358 {
4359     FIXME("(%p %d %p %d %p %p): stub\n", hdc, type, frameRect, frameUnit, desc, metafile);
4360     return NotImplemented;
4361 }
4362
4363 /*****************************************************************************
4364  * GdipIsVisibleClipEmpty [GDIPLUS.@]
4365  */
4366 GpStatus WINGDIPAPI GdipIsVisibleClipEmpty(GpGraphics *graphics, BOOL *res)
4367 {
4368     GpStatus stat;
4369     GpRegion* rgn;
4370
4371     TRACE("(%p, %p)\n", graphics, res);
4372
4373     if((stat = GdipCreateRegion(&rgn)) != Ok)
4374         return stat;
4375
4376     if((stat = get_visible_clip_region(graphics, rgn)) != Ok)
4377         goto cleanup;
4378
4379     stat = GdipIsEmptyRegion(rgn, graphics, res);
4380
4381 cleanup:
4382     GdipDeleteRegion(rgn);
4383     return stat;
4384 }