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