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
  42 WINE_DEFAULT_DEBUG_CHANNEL(gdiplus);
  43
  44 /* looks-right constants */
  45 #define ANCHOR_WIDTH (2.0)
  46 #define MAX_ITERS (50)
  47
  48 /* Converts angle (in degrees) to x/y coordinates */
  49 static void deg2xy(REAL angle, REAL x_0, REAL y_0, REAL *x, REAL *y)
  50 {
  51     REAL radAngle, hypotenuse;
  52
  53     radAngle = deg2rad(angle);
  54     hypotenuse = 50.0; /* arbitrary */
  55
  56     *x = x_0 + cos(radAngle) * hypotenuse;
  57     *y = y_0 + sin(radAngle) * hypotenuse;
  58 }
  59
  60 /* Converts from gdiplus path point type to gdi path point type. */
  61 static BYTE convert_path_point_type(BYTE type)
  62 {
  63     BYTE ret;
  64
  65     switch(type & PathPointTypePathTypeMask){
  66         case PathPointTypeBezier:
  67             ret = PT_BEZIERTO;
  68             break;
  69         case PathPointTypeLine:
  70             ret = PT_LINETO;
  71             break;
  72         case PathPointTypeStart:
  73             ret = PT_MOVETO;
  74             break;
  75         default:
  76             ERR("Bad point type\n");
  77             return 0;
  78     }
  79
  80     if(type & PathPointTypeCloseSubpath)
  81         ret |= PT_CLOSEFIGURE;
  82
  83     return ret;
  84 }
  85
  86 static INT prepare_dc(GpGraphics *graphics, GpPen *pen)
  87 {
  88     HPEN gdipen;
  89     REAL width;
  90     INT save_state = SaveDC(graphics->hdc), i, numdashes;
  91     GpPointF pt[2];
  92     DWORD dash_array[MAX_DASHLEN];
  93
  94     EndPath(graphics->hdc);
  95
  96     if(pen->unit == UnitPixel){
  97         width = pen->width;
  98     }
  99     else{
 100         /* Get an estimate for the amount the pen width is affected by the world
 101          * transform. (This is similar to what some of the wine drivers do.) */
 102         pt[0].X = 0.0;
 103         pt[0].Y = 0.0;
 104         pt[1].X = 1.0;
 105         pt[1].Y = 1.0;
 106         GdipTransformMatrixPoints(graphics->worldtrans, pt, 2);
 107         width = sqrt((pt[1].X - pt[0].X) * (pt[1].X - pt[0].X) +
 108                      (pt[1].Y - pt[0].Y) * (pt[1].Y - pt[0].Y)) / sqrt(2.0);
 109
 110         width *= pen->width * convert_unit(graphics->hdc,
 111                               pen->unit == UnitWorld ? graphics->unit : pen->unit);
 112     }
 113
 114     if(pen->dash == DashStyleCustom){
 115         numdashes = min(pen->numdashes, MAX_DASHLEN);
 116
 117         TRACE("dashes are: ");
 118         for(i = 0; i < numdashes; i++){
 119             dash_array[i] = roundr(width * pen->dashes[i]);
 120             TRACE("%d, ", dash_array[i]);
 121         }
 122         TRACE("\n and the pen style is %x\n", pen->style);
 123
 124         gdipen = ExtCreatePen(pen->style, roundr(width), &pen->brush->lb,
 125                               numdashes, dash_array);
 126     }
 127     else
 128         gdipen = ExtCreatePen(pen->style, roundr(width), &pen->brush->lb, 0, NULL);
 129
 130     SelectObject(graphics->hdc, gdipen);
 131
 132     return save_state;
 133 }
 134
 135 static void restore_dc(GpGraphics *graphics, INT state)
 136 {
 137     DeleteObject(SelectObject(graphics->hdc, GetStockObject(NULL_PEN)));
 138     RestoreDC(graphics->hdc, state);
 139 }
 140
 141 /* This helper applies all the changes that the points listed in ptf need in
 142  * order to be drawn on the device context.  In the end, this should include at
 143  * least:
 144  *  -scaling by page unit
 145  *  -applying world transformation
 146  *  -converting from float to int
 147  * Native gdiplus uses gdi32 to do all this (via SetMapMode, SetViewportExtEx,
 148  * SetWindowExtEx, SetWorldTransform, etc.) but we cannot because we are using
 149  * gdi to draw, and these functions would irreparably mess with line widths.
 150  */
 151 static void transform_and_round_points(GpGraphics *graphics, POINT *pti,
 152     GpPointF *ptf, INT count)
 153 {
 154     REAL unitscale;
 155     GpMatrix *matrix;
 156     int i;
 157
 158     unitscale = convert_unit(graphics->hdc, graphics->unit);
 159
 160     /* apply page scale */
 161     if(graphics->unit != UnitDisplay)
 162         unitscale *= graphics->scale;
 163
 164     GdipCloneMatrix(graphics->worldtrans, &matrix);
 165     GdipScaleMatrix(matrix, unitscale, unitscale, MatrixOrderAppend);
 166     GdipTransformMatrixPoints(matrix, ptf, count);
 167     GdipDeleteMatrix(matrix);
 168
 169     for(i = 0; i < count; i++){
 170         pti[i].x = roundr(ptf[i].X);
 171         pti[i].y = roundr(ptf[i].Y);
 172     }
 173 }
 174
 175 /* GdipDrawPie/GdipFillPie helper function */
 176 static void draw_pie(GpGraphics *graphics, REAL x, REAL y, REAL width,
 177     REAL height, REAL startAngle, REAL sweepAngle)
 178 {
 179     GpPointF ptf[4];
 180     POINT pti[4];
 181
 182     ptf[0].X = x;
 183     ptf[0].Y = y;
 184     ptf[1].X = x + width;
 185     ptf[1].Y = y + height;
 186
 187     deg2xy(startAngle+sweepAngle, x + width / 2.0, y + width / 2.0, &ptf[2].X, &ptf[2].Y);
 188     deg2xy(startAngle, x + width / 2.0, y + width / 2.0, &ptf[3].X, &ptf[3].Y);
 189
 190     transform_and_round_points(graphics, pti, ptf, 4);
 191
 192     Pie(graphics->hdc, pti[0].x, pti[0].y, pti[1].x, pti[1].y, pti[2].x,
 193         pti[2].y, pti[3].x, pti[3].y);
 194 }
 195
 196 /* Draws the linecap the specified color and size on the hdc.  The linecap is in
 197  * direction of the line from x1, y1 to x2, y2 and is anchored on x2, y2. Probably
 198  * should not be called on an hdc that has a path you care about. */
 199 static void draw_cap(GpGraphics *graphics, COLORREF color, GpLineCap cap, REAL size,
 200     const GpCustomLineCap *custom, REAL x1, REAL y1, REAL x2, REAL y2)
 201 {
 202     HGDIOBJ oldbrush = NULL, oldpen = NULL;
 203     GpMatrix *matrix = NULL;
 204     HBRUSH brush = NULL;
 205     HPEN pen = NULL;
 206     PointF ptf[4], *custptf = NULL;
 207     POINT pt[4], *custpt = NULL;
 208     BYTE *tp = NULL;
 209     REAL theta, dsmall, dbig, dx, dy = 0.0;
 210     INT i, count;
 211     LOGBRUSH lb;
 212     BOOL customstroke;
 213
 214     if((x1 == x2) && (y1 == y2))
 215         return;
 216
 217     theta = gdiplus_atan2(y2 - y1, x2 - x1);
 218
 219     customstroke = (cap == LineCapCustom) && custom && (!custom->fill);
 220     if(!customstroke){
 221         brush = CreateSolidBrush(color);
 222         lb.lbStyle = BS_SOLID;
 223         lb.lbColor = color;
 224         lb.lbHatch = 0;
 225         pen = ExtCreatePen(PS_GEOMETRIC | PS_SOLID | PS_ENDCAP_FLAT |
 226                            PS_JOIN_MITER, 1, &lb, 0,
 227                            NULL);
 228         oldbrush = SelectObject(graphics->hdc, brush);
 229         oldpen = SelectObject(graphics->hdc, pen);
 230     }
 231
 232     switch(cap){
 233         case LineCapFlat:
 234             break;
 235         case LineCapSquare:
 236         case LineCapSquareAnchor:
 237         case LineCapDiamondAnchor:
 238             size = size * (cap & LineCapNoAnchor ? ANCHOR_WIDTH : 1.0) / 2.0;
 239             if(cap == LineCapDiamondAnchor){
 240                 dsmall = cos(theta + M_PI_2) * size;
 241                 dbig = sin(theta + M_PI_2) * size;
 242             }
 243             else{
 244                 dsmall = cos(theta + M_PI_4) * size;
 245                 dbig = sin(theta + M_PI_4) * size;
 246             }
 247
 248             ptf[0].X = x2 - dsmall;
 249             ptf[1].X = x2 + dbig;
 250
 251             ptf[0].Y = y2 - dbig;
 252             ptf[3].Y = y2 + dsmall;
 253
 254             ptf[1].Y = y2 - dsmall;
 255             ptf[2].Y = y2 + dbig;
 256
 257             ptf[3].X = x2 - dbig;
 258             ptf[2].X = x2 + dsmall;
 259
 260             transform_and_round_points(graphics, pt, ptf, 4);
 261             Polygon(graphics->hdc, pt, 4);
 262
 263             break;
 264         case LineCapArrowAnchor:
 265             size = size * 4.0 / sqrt(3.0);
 266
 267             dx = cos(M_PI / 6.0 + theta) * size;
 268             dy = sin(M_PI / 6.0 + theta) * size;
 269
 270             ptf[0].X = x2 - dx;
 271             ptf[0].Y = y2 - dy;
 272
 273             dx = cos(- M_PI / 6.0 + theta) * size;
 274             dy = sin(- M_PI / 6.0 + theta) * size;
 275
 276             ptf[1].X = x2 - dx;
 277             ptf[1].Y = y2 - dy;
 278
 279             ptf[2].X = x2;
 280             ptf[2].Y = y2;
 281
 282             transform_and_round_points(graphics, pt, ptf, 3);
 283             Polygon(graphics->hdc, pt, 3);
 284
 285             break;
 286         case LineCapRoundAnchor:
 287             dx = dy = ANCHOR_WIDTH * size / 2.0;
 288
 289             ptf[0].X = x2 - dx;
 290             ptf[0].Y = y2 - dy;
 291             ptf[1].X = x2 + dx;
 292             ptf[1].Y = y2 + dy;
 293
 294             transform_and_round_points(graphics, pt, ptf, 2);
 295             Ellipse(graphics->hdc, pt[0].x, pt[0].y, pt[1].x, pt[1].y);
 296
 297             break;
 298         case LineCapTriangle:
 299             size = size / 2.0;
 300             dx = cos(M_PI_2 + theta) * size;
 301             dy = sin(M_PI_2 + theta) * size;
 302
 303             ptf[0].X = x2 - dx;
 304             ptf[0].Y = y2 - dy;
 305             ptf[1].X = x2 + dx;
 306             ptf[1].Y = y2 + dy;
 307
 308             dx = cos(theta) * size;
 309             dy = sin(theta) * size;
 310
 311             ptf[2].X = x2 + dx;
 312             ptf[2].Y = y2 + dy;
 313
 314             transform_and_round_points(graphics, pt, ptf, 3);
 315             Polygon(graphics->hdc, pt, 3);
 316
 317             break;
 318         case LineCapRound:
 319             dx = dy = size / 2.0;
 320
 321             ptf[0].X = x2 - dx;
 322             ptf[0].Y = y2 - dy;
 323             ptf[1].X = x2 + dx;
 324             ptf[1].Y = y2 + dy;
 325
 326             dx = -cos(M_PI_2 + theta) * size;
 327             dy = -sin(M_PI_2 + theta) * size;
 328
 329             ptf[2].X = x2 - dx;
 330             ptf[2].Y = y2 - dy;
 331             ptf[3].X = x2 + dx;
 332             ptf[3].Y = y2 + dy;
 333
 334             transform_and_round_points(graphics, pt, ptf, 4);
 335             Pie(graphics->hdc, pt[0].x, pt[0].y, pt[1].x, pt[1].y, pt[2].x,
 336                 pt[2].y, pt[3].x, pt[3].y);
 337
 338             break;
 339         case LineCapCustom:
 340             if(!custom)
 341                 break;
 342
 343             count = custom->pathdata.Count;
 344             custptf = GdipAlloc(count * sizeof(PointF));
 345             custpt = GdipAlloc(count * sizeof(POINT));
 346             tp = GdipAlloc(count);
 347
 348             if(!custptf || !custpt || !tp || (GdipCreateMatrix(&matrix) != Ok))
 349                 goto custend;
 350
 351             memcpy(custptf, custom->pathdata.Points, count * sizeof(PointF));
 352
 353             GdipScaleMatrix(matrix, size, size, MatrixOrderAppend);
 354             GdipRotateMatrix(matrix, (180.0 / M_PI) * (theta - M_PI_2),
 355                              MatrixOrderAppend);
 356             GdipTranslateMatrix(matrix, x2, y2, MatrixOrderAppend);
 357             GdipTransformMatrixPoints(matrix, custptf, count);
 358
 359             transform_and_round_points(graphics, custpt, custptf, count);
 360
 361             for(i = 0; i < count; i++)
 362                 tp[i] = convert_path_point_type(custom->pathdata.Types[i]);
 363
 364             if(custom->fill){
 365                 BeginPath(graphics->hdc);
 366                 PolyDraw(graphics->hdc, custpt, tp, count);
 367                 EndPath(graphics->hdc);
 368                 StrokeAndFillPath(graphics->hdc);
 369             }
 370             else
 371                 PolyDraw(graphics->hdc, custpt, tp, count);
 372
 373 custend:
 374             GdipFree(custptf);
 375             GdipFree(custpt);
 376             GdipFree(tp);
 377             GdipDeleteMatrix(matrix);
 378             break;
 379         default:
 380             break;
 381     }
 382
 383     if(!customstroke){
 384         SelectObject(graphics->hdc, oldbrush);
 385         SelectObject(graphics->hdc, oldpen);
 386         DeleteObject(brush);
 387         DeleteObject(pen);
 388     }
 389 }
 390
 391 /* Shortens the line by the given percent by changing x2, y2.
 392  * If percent is > 1.0 then the line will change direction.
 393  * If percent is negative it can lengthen the line. */
 394 static void shorten_line_percent(REAL x1, REAL  y1, REAL *x2, REAL *y2, REAL percent)
 395 {
 396     REAL dist, theta, dx, dy;
 397
 398     if((y1 == *y2) && (x1 == *x2))
 399         return;
 400
 401     dist = sqrt((*x2 - x1) * (*x2 - x1) + (*y2 - y1) * (*y2 - y1)) * -percent;
 402     theta = gdiplus_atan2((*y2 - y1), (*x2 - x1));
 403     dx = cos(theta) * dist;
 404     dy = sin(theta) * dist;
 405
 406     *x2 = *x2 + dx;
 407     *y2 = *y2 + dy;
 408 }
 409
 410 /* Shortens the line by the given amount by changing x2, y2.
 411  * If the amount is greater than the distance, the line will become length 0.
 412  * If the amount is negative, it can lengthen the line. */
 413 static void shorten_line_amt(REAL x1, REAL y1, REAL *x2, REAL *y2, REAL amt)
 414 {
 415     REAL dx, dy, percent;
 416
 417     dx = *x2 - x1;
 418     dy = *y2 - y1;
 419     if(dx == 0 && dy == 0)
 420         return;
 421
 422     percent = amt / sqrt(dx * dx + dy * dy);
 423     if(percent >= 1.0){
 424         *x2 = x1;
 425         *y2 = y1;
 426         return;
 427     }
 428
 429     shorten_line_percent(x1, y1, x2, y2, percent);
 430 }
 431
 432 /* Draws lines between the given points, and if caps is true then draws an endcap
 433  * at the end of the last line. */
 434 static GpStatus draw_polyline(GpGraphics *graphics, GpPen *pen,
 435     GDIPCONST GpPointF * pt, INT count, BOOL caps)
 436 {
 437     POINT *pti = NULL;
 438     GpPointF *ptcopy = NULL;
 439     GpStatus status = GenericError;
 440
 441     if(!count)
 442         return Ok;
 443
 444     pti = GdipAlloc(count * sizeof(POINT));
 445     ptcopy = GdipAlloc(count * sizeof(GpPointF));
 446
 447     if(!pti || !ptcopy){
 448         status = OutOfMemory;
 449         goto end;
 450     }
 451
 452     memcpy(ptcopy, pt, count * sizeof(GpPointF));
 453
 454     if(caps){
 455         if(pen->endcap == LineCapArrowAnchor)
 456             shorten_line_amt(ptcopy[count-2].X, ptcopy[count-2].Y,
 457                              &ptcopy[count-1].X, &ptcopy[count-1].Y, pen->width);
 458         else if((pen->endcap == LineCapCustom) && pen->customend)
 459             shorten_line_amt(ptcopy[count-2].X, ptcopy[count-2].Y,
 460                              &ptcopy[count-1].X, &ptcopy[count-1].Y,
 461                              pen->customend->inset * pen->width);
 462
 463         if(pen->startcap == LineCapArrowAnchor)
 464             shorten_line_amt(ptcopy[1].X, ptcopy[1].Y,
 465                              &ptcopy[0].X, &ptcopy[0].Y, pen->width);
 466         else if((pen->startcap == LineCapCustom) && pen->customstart)
 467             shorten_line_amt(ptcopy[1].X, ptcopy[1].Y,
 468                              &ptcopy[0].X, &ptcopy[0].Y,
 469                              pen->customstart->inset * pen->width);
 470
 471         draw_cap(graphics, pen->brush->lb.lbColor, pen->endcap, pen->width, pen->customend,
 472                  pt[count - 2].X, pt[count - 2].Y, pt[count - 1].X, pt[count - 1].Y);
 473         draw_cap(graphics, pen->brush->lb.lbColor, pen->startcap, pen->width, pen->customstart,
 474                          pt[1].X, pt[1].Y, pt[0].X, pt[0].Y);
 475     }
 476
 477     transform_and_round_points(graphics, pti, ptcopy, count);
 478
 479     if(Polyline(graphics->hdc, pti, count))
 480         status = Ok;
 481
 482 end:
 483     GdipFree(pti);
 484     GdipFree(ptcopy);
 485
 486     return status;
 487 }
 488
 489 /* Conducts a linear search to find the bezier points that will back off
 490  * the endpoint of the curve by a distance of amt. Linear search works
 491  * better than binary in this case because there are multiple solutions,
 492  * and binary searches often find a bad one. I don't think this is what
 493  * Windows does but short of rendering the bezier without GDI's help it's
 494  * the best we can do. If rev then work from the start of the passed points
 495  * instead of the end. */
 496 static void shorten_bezier_amt(GpPointF * pt, REAL amt, BOOL rev)
 497 {
 498     GpPointF origpt[4];
 499     REAL percent = 0.00, dx, dy, origx, origy, diff = -1.0;
 500     INT i, first = 0, second = 1, third = 2, fourth = 3;
 501
 502     if(rev){
 503         first = 3;
 504         second = 2;
 505         third = 1;
 506         fourth = 0;
 507     }
 508
 509     origx = pt[fourth].X;
 510     origy = pt[fourth].Y;
 511     memcpy(origpt, pt, sizeof(GpPointF) * 4);
 512
 513     for(i = 0; (i < MAX_ITERS) && (diff < amt); i++){
 514         /* reset bezier points to original values */
 515         memcpy(pt, origpt, sizeof(GpPointF) * 4);
 516         /* Perform magic on bezier points. Order is important here.*/
 517         shorten_line_percent(pt[third].X, pt[third].Y, &pt[fourth].X, &pt[fourth].Y, percent);
 518         shorten_line_percent(pt[second].X, pt[second].Y, &pt[third].X, &pt[third].Y, percent);
 519         shorten_line_percent(pt[third].X, pt[third].Y, &pt[fourth].X, &pt[fourth].Y, percent);
 520         shorten_line_percent(pt[first].X, pt[first].Y, &pt[second].X, &pt[second].Y, percent);
 521         shorten_line_percent(pt[second].X, pt[second].Y, &pt[third].X, &pt[third].Y, percent);
 522         shorten_line_percent(pt[third].X, pt[third].Y, &pt[fourth].X, &pt[fourth].Y, percent);
 523
 524         dx = pt[fourth].X - origx;
 525         dy = pt[fourth].Y - origy;
 526
 527         diff = sqrt(dx * dx + dy * dy);
 528         percent += 0.0005 * amt;
 529     }
 530 }
 531
 532 /* Draws bezier curves between given points, and if caps is true then draws an
 533  * endcap at the end of the last line. */
 534 static GpStatus draw_polybezier(GpGraphics *graphics, GpPen *pen,
 535     GDIPCONST GpPointF * pt, INT count, BOOL caps)
 536 {
 537     POINT *pti;
 538     GpPointF *ptcopy;
 539     GpStatus status = GenericError;
 540
 541     if(!count)
 542         return Ok;
 543
 544     pti = GdipAlloc(count * sizeof(POINT));
 545     ptcopy = GdipAlloc(count * sizeof(GpPointF));
 546
 547     if(!pti || !ptcopy){
 548         status = OutOfMemory;
 549         goto end;
 550     }
 551
 552     memcpy(ptcopy, pt, count * sizeof(GpPointF));
 553
 554     if(caps){
 555         if(pen->endcap == LineCapArrowAnchor)
 556             shorten_bezier_amt(&ptcopy[count-4], pen->width, FALSE);
 557         else if((pen->endcap == LineCapCustom) && pen->customend)
 558             shorten_bezier_amt(&ptcopy[count-4], pen->width * pen->customend->inset,
 559                                FALSE);
 560
 561         if(pen->startcap == LineCapArrowAnchor)
 562             shorten_bezier_amt(ptcopy, pen->width, TRUE);
 563         else if((pen->startcap == LineCapCustom) && pen->customstart)
 564             shorten_bezier_amt(ptcopy, pen->width * pen->customstart->inset, TRUE);
 565
 566         /* the direction of the line cap is parallel to the direction at the
 567          * end of the bezier (which, if it has been shortened, is not the same
 568          * as the direction from pt[count-2] to pt[count-1]) */
 569         draw_cap(graphics, pen->brush->lb.lbColor, pen->endcap, pen->width, pen->customend,
 570             pt[count - 1].X - (ptcopy[count - 1].X - ptcopy[count - 2].X),
 571             pt[count - 1].Y - (ptcopy[count - 1].Y - ptcopy[count - 2].Y),
 572             pt[count - 1].X, pt[count - 1].Y);
 573
 574         draw_cap(graphics, pen->brush->lb.lbColor, pen->startcap, pen->width, pen->customstart,
 575             pt[0].X - (ptcopy[0].X - ptcopy[1].X),
 576             pt[0].Y - (ptcopy[0].Y - ptcopy[1].Y), pt[0].X, pt[0].Y);
 577     }
 578
 579     transform_and_round_points(graphics, pti, ptcopy, count);
 580
 581     PolyBezier(graphics->hdc, pti, count);
 582
 583     status = Ok;
 584
 585 end:
 586     GdipFree(pti);
 587     GdipFree(ptcopy);
 588
 589     return status;
 590 }
 591
 592 /* Draws a combination of bezier curves and lines between points. */
 593 static GpStatus draw_poly(GpGraphics *graphics, GpPen *pen, GDIPCONST GpPointF * pt,
 594     GDIPCONST BYTE * types, INT count, BOOL caps)
 595 {
 596     POINT *pti = GdipAlloc(count * sizeof(POINT));
 597     BYTE *tp = GdipAlloc(count);
 598     GpPointF *ptcopy = GdipAlloc(count * sizeof(GpPointF));
 599     INT i, j;
 600     GpStatus status = GenericError;
 601
 602     if(!count){
 603         status = Ok;
 604         goto end;
 605     }
 606     if(!pti || !tp || !ptcopy){
 607         status = OutOfMemory;
 608         goto end;
 609     }
 610
 611     for(i = 1; i < count; i++){
 612         if((types[i] & PathPointTypePathTypeMask) == PathPointTypeBezier){
 613             if((i + 2 >= count) || !(types[i + 1] & PathPointTypeBezier)
 614                 || !(types[i + 1] & PathPointTypeBezier)){
 615                 ERR("Bad bezier points\n");
 616                 goto end;
 617             }
 618             i += 2;
 619         }
 620     }
 621
 622     memcpy(ptcopy, pt, count * sizeof(GpPointF));
 623
 624     /* If we are drawing caps, go through the points and adjust them accordingly,
 625      * and draw the caps. */
 626     if(caps){
 627         switch(types[count - 1] & PathPointTypePathTypeMask){
 628             case PathPointTypeBezier:
 629                 if(pen->endcap == LineCapArrowAnchor)
 630                     shorten_bezier_amt(&ptcopy[count - 4], pen->width, FALSE);
 631                 else if((pen->endcap == LineCapCustom) && pen->customend)
 632                     shorten_bezier_amt(&ptcopy[count - 4],
 633                                        pen->width * pen->customend->inset, FALSE);
 634
 635                 draw_cap(graphics, pen->brush->lb.lbColor, pen->endcap, pen->width, pen->customend,
 636                     pt[count - 1].X - (ptcopy[count - 1].X - ptcopy[count - 2].X),
 637                     pt[count - 1].Y - (ptcopy[count - 1].Y - ptcopy[count - 2].Y),
 638                     pt[count - 1].X, pt[count - 1].Y);
 639
 640                 break;
 641             case PathPointTypeLine:
 642                 if(pen->endcap == LineCapArrowAnchor)
 643                     shorten_line_amt(ptcopy[count - 2].X, ptcopy[count - 2].Y,
 644                                      &ptcopy[count - 1].X, &ptcopy[count - 1].Y,
 645                                      pen->width);
 646                 else if((pen->endcap == LineCapCustom) && pen->customend)
 647                     shorten_line_amt(ptcopy[count - 2].X, ptcopy[count - 2].Y,
 648                                      &ptcopy[count - 1].X, &ptcopy[count - 1].Y,
 649                                      pen->customend->inset * pen->width);
 650
 651                 draw_cap(graphics, pen->brush->lb.lbColor, pen->endcap, pen->width, pen->customend,
 652                          pt[count - 2].X, pt[count - 2].Y, pt[count - 1].X,
 653                          pt[count - 1].Y);
 654
 655                 break;
 656             default:
 657                 ERR("Bad path last point\n");
 658                 goto end;
 659         }
 660
 661         /* Find start of points */
 662         for(j = 1; j < count && ((types[j] & PathPointTypePathTypeMask)
 663             == PathPointTypeStart); j++);
 664
 665         switch(types[j] & PathPointTypePathTypeMask){
 666             case PathPointTypeBezier:
 667                 if(pen->startcap == LineCapArrowAnchor)
 668                     shorten_bezier_amt(&ptcopy[j - 1], pen->width, TRUE);
 669                 else if((pen->startcap == LineCapCustom) && pen->customstart)
 670                     shorten_bezier_amt(&ptcopy[j - 1],
 671                                        pen->width * pen->customstart->inset, TRUE);
 672
 673                 draw_cap(graphics, pen->brush->lb.lbColor, pen->startcap, pen->width, pen->customstart,
 674                     pt[j - 1].X - (ptcopy[j - 1].X - ptcopy[j].X),
 675                     pt[j - 1].Y - (ptcopy[j - 1].Y - ptcopy[j].Y),
 676                     pt[j - 1].X, pt[j - 1].Y);
 677
 678                 break;
 679             case PathPointTypeLine:
 680                 if(pen->startcap == LineCapArrowAnchor)
 681                     shorten_line_amt(ptcopy[j].X, ptcopy[j].Y,
 682                                      &ptcopy[j - 1].X, &ptcopy[j - 1].Y,
 683                                      pen->width);
 684                 else if((pen->startcap == LineCapCustom) && pen->customstart)
 685                     shorten_line_amt(ptcopy[j].X, ptcopy[j].Y,
 686                                      &ptcopy[j - 1].X, &ptcopy[j - 1].Y,
 687                                      pen->customstart->inset * pen->width);
 688
 689                 draw_cap(graphics, pen->brush->lb.lbColor, pen->startcap, pen->width, pen->customstart,
 690                          pt[j].X, pt[j].Y, pt[j - 1].X,
 691                          pt[j - 1].Y);
 692
 693                 break;
 694             default:
 695                 ERR("Bad path points\n");
 696                 goto end;
 697         }
 698     }
 699
 700     transform_and_round_points(graphics, pti, ptcopy, count);
 701
 702     for(i = 0; i < count; i++){
 703         tp[i] = convert_path_point_type(types[i]);
 704     }
 705
 706     PolyDraw(graphics->hdc, pti, tp, count);
 707
 708     status = Ok;
 709
 710 end:
 711     GdipFree(pti);
 712     GdipFree(ptcopy);
 713     GdipFree(tp);
 714
 715     return status;
 716 }
 717
 718 GpStatus trace_path(GpGraphics *graphics, GpPath *path)
 719 {
 720     GpStatus result;
 721
 722     BeginPath(graphics->hdc);
 723     result = draw_poly(graphics, NULL, path->pathdata.Points,
 724                        path->pathdata.Types, path->pathdata.Count, FALSE);
 725     EndPath(graphics->hdc);
 726     return result;
 727 }
 728
 729 GpStatus WINGDIPAPI GdipCreateFromHDC(HDC hdc, GpGraphics **graphics)
 730 {
 731     TRACE("(%p, %p)\n", hdc, graphics);
 732
 733     return GdipCreateFromHDC2(hdc, NULL, graphics);
 734 }
 735
 736 GpStatus WINGDIPAPI GdipCreateFromHDC2(HDC hdc, HANDLE hDevice, GpGraphics **graphics)
 737 {
 738     GpStatus retval;
 739
 740     TRACE("(%p, %p, %p)\n", hdc, hDevice, graphics);
 741
 742     if(hDevice != NULL) {
 743         FIXME("Don't know how to hadle parameter hDevice\n");
 744         return NotImplemented;
 745     }
 746
 747     if(hdc == NULL)
 748         return OutOfMemory;
 749
 750     if(graphics == NULL)
 751         return InvalidParameter;
 752
 753     *graphics = GdipAlloc(sizeof(GpGraphics));
 754     if(!*graphics)  return OutOfMemory;
 755
 756     if((retval = GdipCreateMatrix(&(*graphics)->worldtrans)) != Ok){
 757         GdipFree(*graphics);
 758         return retval;
 759     }
 760
 761     if((retval = GdipCreateRegion(&(*graphics)->clip)) != Ok){
 762         GdipFree((*graphics)->worldtrans);
 763         GdipFree(*graphics);
 764         return retval;
 765     }
 766
 767     (*graphics)->hdc = hdc;
 768     (*graphics)->hwnd = WindowFromDC(hdc);
 769     (*graphics)->smoothing = SmoothingModeDefault;
 770     (*graphics)->compqual = CompositingQualityDefault;
 771     (*graphics)->interpolation = InterpolationModeDefault;
 772     (*graphics)->pixeloffset = PixelOffsetModeDefault;
 773     (*graphics)->compmode = CompositingModeSourceOver;
 774     (*graphics)->unit = UnitDisplay;
 775     (*graphics)->scale = 1.0;
 776     (*graphics)->busy = FALSE;
 777     (*graphics)->textcontrast = 4;
 778
 779     return Ok;
 780 }
 781
 782 GpStatus WINGDIPAPI GdipCreateFromHWND(HWND hwnd, GpGraphics **graphics)
 783 {
 784     GpStatus ret;
 785
 786     TRACE("(%p, %p)\n", hwnd, graphics);
 787
 788     if((ret = GdipCreateFromHDC(GetDC(hwnd), graphics)) != Ok)
 789         return ret;
 790
 791     (*graphics)->hwnd = hwnd;
 792
 793     return Ok;
 794 }
 795
 796 /* FIXME: no icm handling */
 797 GpStatus WINGDIPAPI GdipCreateFromHWNDICM(HWND hwnd, GpGraphics **graphics)
 798 {
 799     TRACE("(%p, %p)\n", hwnd, graphics);
 800
 801     return GdipCreateFromHWND(hwnd, graphics);
 802 }
 803
 804 GpStatus WINGDIPAPI GdipCreateMetafileFromEmf(HENHMETAFILE hemf, BOOL delete,
 805     GpMetafile **metafile)
 806 {
 807     static int calls;
 808
 809     if(!hemf || !metafile)
 810         return InvalidParameter;
 811
 812     if(!(calls++))
 813         FIXME("not implemented\n");
 814
 815     return NotImplemented;
 816 }
 817
 818 GpStatus WINGDIPAPI GdipCreateMetafileFromWmf(HMETAFILE hwmf, BOOL delete,
 819     GDIPCONST WmfPlaceableFileHeader * placeable, GpMetafile **metafile)
 820 {
 821     IStream *stream = NULL;
 822     UINT read;
 823     BYTE* copy;
 824     HENHMETAFILE hemf;
 825     GpStatus retval = GenericError;
 826
 827     TRACE("(%p, %d, %p, %p)\n", hwmf, delete, placeable, metafile);
 828
 829     if(!hwmf || !metafile || !placeable)
 830         return InvalidParameter;
 831
 832     *metafile = NULL;
 833     read = GetMetaFileBitsEx(hwmf, 0, NULL);
 834     if(!read)
 835         return GenericError;
 836     copy = GdipAlloc(read);
 837     GetMetaFileBitsEx(hwmf, read, copy);
 838
 839     hemf = SetWinMetaFileBits(read, copy, NULL, NULL);
 840     GdipFree(copy);
 841
 842     read = GetEnhMetaFileBits(hemf, 0, NULL);
 843     copy = GdipAlloc(read);
 844     GetEnhMetaFileBits(hemf, read, copy);
 845     DeleteEnhMetaFile(hemf);
 846
 847     if(CreateStreamOnHGlobal(copy, TRUE, &stream) != S_OK){
 848         ERR("could not make stream\n");
 849         GdipFree(copy);
 850         goto err;
 851     }
 852
 853     *metafile = GdipAlloc(sizeof(GpMetafile));
 854     if(!*metafile){
 855         retval = OutOfMemory;
 856         goto err;
 857     }
 858
 859     if(OleLoadPicture(stream, 0, FALSE, &IID_IPicture,
 860         (LPVOID*) &((*metafile)->image.picture)) != S_OK)
 861         goto err;
 862
 863
 864     (*metafile)->image.type = ImageTypeMetafile;
 865     (*metafile)->bounds.X = ((REAL) placeable->BoundingBox.Left) / ((REAL) placeable->Inch);
 866     (*metafile)->bounds.Y = ((REAL) placeable->BoundingBox.Right) / ((REAL) placeable->Inch);
 867     (*metafile)->bounds.Width = ((REAL) (placeable->BoundingBox.Right
 868                     - placeable->BoundingBox.Left)) / ((REAL) placeable->Inch);
 869     (*metafile)->bounds.Height = ((REAL) (placeable->BoundingBox.Bottom
 870                    - placeable->BoundingBox.Top)) / ((REAL) placeable->Inch);
 871     (*metafile)->unit = UnitInch;
 872
 873     if(delete)
 874         DeleteMetaFile(hwmf);
 875
 876     return Ok;
 877
 878 err:
 879     GdipFree(*metafile);
 880     IStream_Release(stream);
 881     return retval;
 882 }
 883
 884 GpStatus WINGDIPAPI GdipCreateMetafileFromWmfFile(GDIPCONST WCHAR *file,
 885     GDIPCONST WmfPlaceableFileHeader * placeable, GpMetafile **metafile)
 886 {
 887     HMETAFILE hmf = GetMetaFileW(file);
 888
 889     TRACE("(%s, %p, %p)\n", debugstr_w(file), placeable, metafile);
 890
 891     if(!hmf) return InvalidParameter;
 892
 893     return GdipCreateMetafileFromWmf(hmf, TRUE, placeable, metafile);
 894 }
 895
 896 GpStatus WINGDIPAPI GdipCreateStreamOnFile(GDIPCONST WCHAR * filename,
 897     UINT access, IStream **stream)
 898 {
 899     DWORD dwMode;
 900     HRESULT ret;
 901
 902     TRACE("(%s, %u, %p)\n", debugstr_w(filename), access, stream);
 903
 904     if(!stream || !filename)
 905         return InvalidParameter;
 906
 907     if(access & GENERIC_WRITE)
 908         dwMode = STGM_SHARE_DENY_WRITE | STGM_WRITE | STGM_CREATE;
 909     else if(access & GENERIC_READ)
 910         dwMode = STGM_SHARE_DENY_WRITE | STGM_READ | STGM_FAILIFTHERE;
 911     else
 912         return InvalidParameter;
 913
 914     ret = SHCreateStreamOnFileW(filename, dwMode, stream);
 915
 916     return hresult_to_status(ret);
 917 }
 918
 919 GpStatus WINGDIPAPI GdipDeleteGraphics(GpGraphics *graphics)
 920 {
 921     TRACE("(%p)\n", graphics);
 922
 923     if(!graphics) return InvalidParameter;
 924     if(graphics->busy) return ObjectBusy;
 925
 926     if(graphics->hwnd)
 927         ReleaseDC(graphics->hwnd, graphics->hdc);
 928
 929     GdipDeleteRegion(graphics->clip);
 930     GdipDeleteMatrix(graphics->worldtrans);
 931     GdipFree(graphics);
 932
 933     return Ok;
 934 }
 935
 936 GpStatus WINGDIPAPI GdipDrawArc(GpGraphics *graphics, GpPen *pen, REAL x,
 937     REAL y, REAL width, REAL height, REAL startAngle, REAL sweepAngle)
 938 {
 939     INT save_state, num_pts;
 940     GpPointF points[MAX_ARC_PTS];
 941     GpStatus retval;
 942
 943     TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x, y,
 944           width, height, startAngle, sweepAngle);
 945
 946     if(!graphics || !pen || width <= 0 || height <= 0)
 947         return InvalidParameter;
 948
 949     if(graphics->busy)
 950         return ObjectBusy;
 951
 952     num_pts = arc2polybezier(points, x, y, width, height, startAngle, sweepAngle);
 953
 954     save_state = prepare_dc(graphics, pen);
 955
 956     retval = draw_polybezier(graphics, pen, points, num_pts, TRUE);
 957
 958     restore_dc(graphics, save_state);
 959
 960     return retval;
 961 }
 962
 963 GpStatus WINGDIPAPI GdipDrawArcI(GpGraphics *graphics, GpPen *pen, INT x,
 964     INT y, INT width, INT height, REAL startAngle, REAL sweepAngle)
 965 {
 966     TRACE("(%p, %p, %d, %d, %d, %d, %.2f, %.2f)\n", graphics, pen, x, y,
 967           width, height, startAngle, sweepAngle);
 968
 969     return GdipDrawArc(graphics,pen,(REAL)x,(REAL)y,(REAL)width,(REAL)height,startAngle,sweepAngle);
 970 }
 971
 972 GpStatus WINGDIPAPI GdipDrawBezier(GpGraphics *graphics, GpPen *pen, REAL x1,
 973     REAL y1, REAL x2, REAL y2, REAL x3, REAL y3, REAL x4, REAL y4)
 974 {
 975     INT save_state;
 976     GpPointF pt[4];
 977     GpStatus retval;
 978
 979     TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x1, y1,
 980           x2, y2, x3, y3, x4, y4);
 981
 982     if(!graphics || !pen)
 983         return InvalidParameter;
 984
 985     if(graphics->busy)
 986         return ObjectBusy;
 987
 988     pt[0].X = x1;
 989     pt[0].Y = y1;
 990     pt[1].X = x2;
 991     pt[1].Y = y2;
 992     pt[2].X = x3;
 993     pt[2].Y = y3;
 994     pt[3].X = x4;
 995     pt[3].Y = y4;
 996
 997     save_state = prepare_dc(graphics, pen);
 998
 999     retval = draw_polybezier(graphics, pen, pt, 4, TRUE);
1000
1001     restore_dc(graphics, save_state);
1002
1003     return retval;
1004 }
1005
1006 GpStatus WINGDIPAPI GdipDrawBezierI(GpGraphics *graphics, GpPen *pen, INT x1,
1007     INT y1, INT x2, INT y2, INT x3, INT y3, INT x4, INT y4)
1008 {
1009     INT save_state;
1010     GpPointF pt[4];
1011     GpStatus retval;
1012
1013     TRACE("(%p, %p, %d, %d, %d, %d, %d, %d, %d, %d)\n", graphics, pen, x1, y1,
1014           x2, y2, x3, y3, x4, y4);
1015
1016     if(!graphics || !pen)
1017         return InvalidParameter;
1018
1019     if(graphics->busy)
1020         return ObjectBusy;
1021
1022     pt[0].X = x1;
1023     pt[0].Y = y1;
1024     pt[1].X = x2;
1025     pt[1].Y = y2;
1026     pt[2].X = x3;
1027     pt[2].Y = y3;
1028     pt[3].X = x4;
1029     pt[3].Y = y4;
1030
1031     save_state = prepare_dc(graphics, pen);
1032
1033     retval = draw_polybezier(graphics, pen, pt, 4, TRUE);
1034
1035     restore_dc(graphics, save_state);
1036
1037     return retval;
1038 }
1039
1040 GpStatus WINGDIPAPI GdipDrawBeziers(GpGraphics *graphics, GpPen *pen,
1041     GDIPCONST GpPointF *points, INT count)
1042 {
1043     INT i;
1044     GpStatus ret;
1045
1046     TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
1047
1048     if(!graphics || !pen || !points || (count <= 0))
1049         return InvalidParameter;
1050
1051     if(graphics->busy)
1052         return ObjectBusy;
1053
1054     for(i = 0; i < floor(count / 4); i++){
1055         ret = GdipDrawBezier(graphics, pen,
1056                              points[4*i].X, points[4*i].Y,
1057                              points[4*i + 1].X, points[4*i + 1].Y,
1058                              points[4*i + 2].X, points[4*i + 2].Y,
1059                              points[4*i + 3].X, points[4*i + 3].Y);
1060         if(ret != Ok)
1061             return ret;
1062     }
1063
1064     return Ok;
1065 }
1066
1067 GpStatus WINGDIPAPI GdipDrawBeziersI(GpGraphics *graphics, GpPen *pen,
1068     GDIPCONST GpPoint *points, INT count)
1069 {
1070     GpPointF *pts;
1071     GpStatus ret;
1072     INT i;
1073
1074     TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
1075
1076     if(!graphics || !pen || !points || (count <= 0))
1077         return InvalidParameter;
1078
1079     if(graphics->busy)
1080         return ObjectBusy;
1081
1082     pts = GdipAlloc(sizeof(GpPointF) * count);
1083     if(!pts)
1084         return OutOfMemory;
1085
1086     for(i = 0; i < count; i++){
1087         pts[i].X = (REAL)points[i].X;
1088         pts[i].Y = (REAL)points[i].Y;
1089     }
1090
1091     ret = GdipDrawBeziers(graphics,pen,pts,count);
1092
1093     GdipFree(pts);
1094
1095     return ret;
1096 }
1097
1098 GpStatus WINGDIPAPI GdipDrawClosedCurve(GpGraphics *graphics, GpPen *pen,
1099     GDIPCONST GpPointF *points, INT count)
1100 {
1101     TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
1102
1103     return GdipDrawClosedCurve2(graphics, pen, points, count, 1.0);
1104 }
1105
1106 GpStatus WINGDIPAPI GdipDrawClosedCurveI(GpGraphics *graphics, GpPen *pen,
1107     GDIPCONST GpPoint *points, INT count)
1108 {
1109     TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
1110
1111     return GdipDrawClosedCurve2I(graphics, pen, points, count, 1.0);
1112 }
1113
1114 GpStatus WINGDIPAPI GdipDrawClosedCurve2(GpGraphics *graphics, GpPen *pen,
1115     GDIPCONST GpPointF *points, INT count, REAL tension)
1116 {
1117     GpPath *path;
1118     GpStatus stat;
1119
1120     TRACE("(%p, %p, %p, %d, %.2f)\n", graphics, pen, points, count, tension);
1121
1122     if(!graphics || !pen || !points || count <= 0)
1123         return InvalidParameter;
1124
1125     if(graphics->busy)
1126         return ObjectBusy;
1127
1128     if((stat = GdipCreatePath(FillModeAlternate, &path)) != Ok)
1129         return stat;
1130
1131     stat = GdipAddPathClosedCurve2(path, points, count, tension);
1132     if(stat != Ok){
1133         GdipDeletePath(path);
1134         return stat;
1135     }
1136
1137     stat = GdipDrawPath(graphics, pen, path);
1138
1139     GdipDeletePath(path);
1140
1141     return stat;
1142 }
1143
1144 GpStatus WINGDIPAPI GdipDrawClosedCurve2I(GpGraphics *graphics, GpPen *pen,
1145     GDIPCONST GpPoint *points, INT count, REAL tension)
1146 {
1147     GpPointF *ptf;
1148     GpStatus stat;
1149     INT i;
1150
1151     TRACE("(%p, %p, %p, %d, %.2f)\n", graphics, pen, points, count, tension);
1152
1153     if(!points || count <= 0)
1154         return InvalidParameter;
1155
1156     ptf = GdipAlloc(sizeof(GpPointF)*count);
1157     if(!ptf)
1158         return OutOfMemory;
1159
1160     for(i = 0; i < count; i++){
1161         ptf[i].X = (REAL)points[i].X;
1162         ptf[i].Y = (REAL)points[i].Y;
1163     }
1164
1165     stat = GdipDrawClosedCurve2(graphics, pen, ptf, count, tension);
1166
1167     GdipFree(ptf);
1168
1169     return stat;
1170 }
1171
1172 GpStatus WINGDIPAPI GdipDrawCurve(GpGraphics *graphics, GpPen *pen,
1173     GDIPCONST GpPointF *points, INT count)
1174 {
1175     TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
1176
1177     return GdipDrawCurve2(graphics,pen,points,count,1.0);
1178 }
1179
1180 GpStatus WINGDIPAPI GdipDrawCurveI(GpGraphics *graphics, GpPen *pen,
1181     GDIPCONST GpPoint *points, INT count)
1182 {
1183     GpPointF *pointsF;
1184     GpStatus ret;
1185     INT i;
1186
1187     TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
1188
1189     if(!points || count <= 0)
1190         return InvalidParameter;
1191
1192     pointsF = GdipAlloc(sizeof(GpPointF)*count);
1193     if(!pointsF)
1194         return OutOfMemory;
1195
1196     for(i = 0; i < count; i++){
1197         pointsF[i].X = (REAL)points[i].X;
1198         pointsF[i].Y = (REAL)points[i].Y;
1199     }
1200
1201     ret = GdipDrawCurve(graphics,pen,pointsF,count);
1202     GdipFree(pointsF);
1203
1204     return ret;
1205 }
1206
1207 /* Approximates cardinal spline with Bezier curves. */
1208 GpStatus WINGDIPAPI GdipDrawCurve2(GpGraphics *graphics, GpPen *pen,
1209     GDIPCONST GpPointF *points, INT count, REAL tension)
1210 {
1211     /* PolyBezier expects count*3-2 points. */
1212     INT i, len_pt = count*3-2, save_state;
1213     GpPointF *pt;
1214     REAL x1, x2, y1, y2;
1215     GpStatus retval;
1216
1217     TRACE("(%p, %p, %p, %d, %.2f)\n", graphics, pen, points, count, tension);
1218
1219     if(!graphics || !pen)
1220         return InvalidParameter;
1221
1222     if(graphics->busy)
1223         return ObjectBusy;
1224
1225     pt = GdipAlloc(len_pt * sizeof(GpPointF));
1226     tension = tension * TENSION_CONST;
1227
1228     calc_curve_bezier_endp(points[0].X, points[0].Y, points[1].X, points[1].Y,
1229         tension, &x1, &y1);
1230
1231     pt[0].X = points[0].X;
1232     pt[0].Y = points[0].Y;
1233     pt[1].X = x1;
1234     pt[1].Y = y1;
1235
1236     for(i = 0; i < count-2; i++){
1237         calc_curve_bezier(&(points[i]), tension, &x1, &y1, &x2, &y2);
1238
1239         pt[3*i+2].X = x1;
1240         pt[3*i+2].Y = y1;
1241         pt[3*i+3].X = points[i+1].X;
1242         pt[3*i+3].Y = points[i+1].Y;
1243         pt[3*i+4].X = x2;
1244         pt[3*i+4].Y = y2;
1245     }
1246
1247     calc_curve_bezier_endp(points[count-1].X, points[count-1].Y,
1248         points[count-2].X, points[count-2].Y, tension, &x1, &y1);
1249
1250     pt[len_pt-2].X = x1;
1251     pt[len_pt-2].Y = y1;
1252     pt[len_pt-1].X = points[count-1].X;
1253     pt[len_pt-1].Y = points[count-1].Y;
1254
1255     save_state = prepare_dc(graphics, pen);
1256
1257     retval = draw_polybezier(graphics, pen, pt, len_pt, TRUE);
1258
1259     GdipFree(pt);
1260     restore_dc(graphics, save_state);
1261
1262     return retval;
1263 }
1264
1265 GpStatus WINGDIPAPI GdipDrawCurve2I(GpGraphics *graphics, GpPen *pen,
1266     GDIPCONST GpPoint *points, INT count, REAL tension)
1267 {
1268     GpPointF *pointsF;
1269     GpStatus ret;
1270     INT i;
1271
1272     TRACE("(%p, %p, %p, %d, %.2f)\n", graphics, pen, points, count, tension);
1273
1274     if(!points || count <= 0)
1275         return InvalidParameter;
1276
1277     pointsF = GdipAlloc(sizeof(GpPointF)*count);
1278     if(!pointsF)
1279         return OutOfMemory;
1280
1281     for(i = 0; i < count; i++){
1282         pointsF[i].X = (REAL)points[i].X;
1283         pointsF[i].Y = (REAL)points[i].Y;
1284     }
1285
1286     ret = GdipDrawCurve2(graphics,pen,pointsF,count,tension);
1287     GdipFree(pointsF);
1288
1289     return ret;
1290 }
1291
1292 GpStatus WINGDIPAPI GdipDrawEllipse(GpGraphics *graphics, GpPen *pen, REAL x,
1293     REAL y, REAL width, REAL height)
1294 {
1295     INT save_state;
1296     GpPointF ptf[2];
1297     POINT pti[2];
1298
1299     TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x, y, width, height);
1300
1301     if(!graphics || !pen)
1302         return InvalidParameter;
1303
1304     if(graphics->busy)
1305         return ObjectBusy;
1306
1307     ptf[0].X = x;
1308     ptf[0].Y = y;
1309     ptf[1].X = x + width;
1310     ptf[1].Y = y + height;
1311
1312     save_state = prepare_dc(graphics, pen);
1313     SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
1314
1315     transform_and_round_points(graphics, pti, ptf, 2);
1316
1317     Ellipse(graphics->hdc, pti[0].x, pti[0].y, pti[1].x, pti[1].y);
1318
1319     restore_dc(graphics, save_state);
1320
1321     return Ok;
1322 }
1323
1324 GpStatus WINGDIPAPI GdipDrawEllipseI(GpGraphics *graphics, GpPen *pen, INT x,
1325     INT y, INT width, INT height)
1326 {
1327     TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, pen, x, y, width, height);
1328
1329     return GdipDrawEllipse(graphics,pen,(REAL)x,(REAL)y,(REAL)width,(REAL)height);
1330 }
1331
1332
1333 GpStatus WINGDIPAPI GdipDrawImage(GpGraphics *graphics, GpImage *image, REAL x, REAL y)
1334 {
1335     TRACE("(%p, %p, %.2f, %.2f)\n", graphics, image, x, y);
1336
1337     /* IPicture::Render uses LONG coords */
1338     return GdipDrawImageI(graphics,image,roundr(x),roundr(y));
1339 }
1340
1341 GpStatus WINGDIPAPI GdipDrawImageI(GpGraphics *graphics, GpImage *image, INT x,
1342     INT y)
1343 {
1344     UINT width, height, srcw, srch;
1345
1346     TRACE("(%p, %p, %d, %d)\n", graphics, image, x, y);
1347
1348     if(!graphics || !image)
1349         return InvalidParameter;
1350
1351     GdipGetImageWidth(image, &width);
1352     GdipGetImageHeight(image, &height);
1353
1354     srcw = width * (((REAL) INCH_HIMETRIC) /
1355             ((REAL) GetDeviceCaps(graphics->hdc, LOGPIXELSX)));
1356     srch = height * (((REAL) INCH_HIMETRIC) /
1357             ((REAL) GetDeviceCaps(graphics->hdc, LOGPIXELSY)));
1358
1359     if(image->type != ImageTypeMetafile){
1360         y += height;
1361         height *= -1;
1362     }
1363
1364     IPicture_Render(image->picture, graphics->hdc, x, y, width, height,
1365                     0, 0, srcw, srch, NULL);
1366
1367     return Ok;
1368 }
1369
1370 /* FIXME: partially implemented (only works for rectangular parallelograms) */
1371 GpStatus WINGDIPAPI GdipDrawImagePointsRect(GpGraphics *graphics, GpImage *image,
1372      GDIPCONST GpPointF *points, INT count, REAL srcx, REAL srcy, REAL srcwidth,
1373      REAL srcheight, GpUnit srcUnit, GDIPCONST GpImageAttributes* imageAttributes,
1374      DrawImageAbort callback, VOID * callbackData)
1375 {
1376     GpPointF ptf[3];
1377     POINT pti[3];
1378     REAL dx, dy;
1379
1380     TRACE("(%p, %p, %p, %d, %f, %f, %f, %f, %d, %p, %p, %p)\n", graphics, image, points,
1381           count, srcx, srcy, srcwidth, srcheight, srcUnit, imageAttributes, callback,
1382           callbackData);
1383
1384     if(!graphics || !image || !points || count != 3)
1385          return InvalidParameter;
1386
1387     if(srcUnit == UnitInch)
1388         dx = dy = (REAL) INCH_HIMETRIC;
1389     else if(srcUnit == UnitPixel){
1390         dx = ((REAL) INCH_HIMETRIC) /
1391              ((REAL) GetDeviceCaps(graphics->hdc, LOGPIXELSX));
1392         dy = ((REAL) INCH_HIMETRIC) /
1393              ((REAL) GetDeviceCaps(graphics->hdc, LOGPIXELSY));
1394     }
1395     else
1396         return NotImplemented;
1397
1398     memcpy(ptf, points, 3 * sizeof(GpPointF));
1399     transform_and_round_points(graphics, pti, ptf, 3);
1400
1401     /* IPicture renders bitmaps with the y-axis reversed
1402      * FIXME: flipping for unknown image type might not be correct. */
1403     if(image->type != ImageTypeMetafile){
1404         INT temp;
1405         temp = pti[0].y;
1406         pti[0].y = pti[2].y;
1407         pti[2].y = temp;
1408     }
1409
1410     if(IPicture_Render(image->picture, graphics->hdc,
1411         pti[0].x, pti[0].y, pti[1].x - pti[0].x, pti[2].y - pti[0].y,
1412         srcx * dx, srcy * dy,
1413         srcwidth * dx, srcheight * dy,
1414         NULL) != S_OK){
1415         if(callback)
1416             callback(callbackData);
1417         return GenericError;
1418     }
1419
1420     return Ok;
1421 }
1422
1423 GpStatus WINGDIPAPI GdipDrawImagePointsRectI(GpGraphics *graphics, GpImage *image,
1424      GDIPCONST GpPoint *points, INT count, INT srcx, INT srcy, INT srcwidth,
1425      INT srcheight, GpUnit srcUnit, GDIPCONST GpImageAttributes* imageAttributes,
1426      DrawImageAbort callback, VOID * callbackData)
1427 {
1428     GpPointF pointsF[3];
1429     INT i;
1430
1431     TRACE("(%p, %p, %p, %d, %d, %d, %d, %d, %d, %p, %p, %p)\n", graphics, image, points, count,
1432           srcx, srcy, srcwidth, srcheight, srcUnit, imageAttributes, callback,
1433           callbackData);
1434
1435     if(!points || count!=3)
1436         return InvalidParameter;
1437
1438     for(i = 0; i < count; i++){
1439         pointsF[i].X = (REAL)points[i].X;
1440         pointsF[i].Y = (REAL)points[i].Y;
1441     }
1442
1443     return GdipDrawImagePointsRect(graphics, image, pointsF, count, (REAL)srcx, (REAL)srcy,
1444                                    (REAL)srcwidth, (REAL)srcheight, srcUnit, imageAttributes,
1445                                    callback, callbackData);
1446 }
1447
1448 GpStatus WINGDIPAPI GdipDrawImageRectRect(GpGraphics *graphics, GpImage *image,
1449     REAL dstx, REAL dsty, REAL dstwidth, REAL dstheight, REAL srcx, REAL srcy,
1450     REAL srcwidth, REAL srcheight, GpUnit srcUnit,
1451     GDIPCONST GpImageAttributes* imageattr, DrawImageAbort callback,
1452     VOID * callbackData)
1453 {
1454     GpPointF points[3];
1455
1456     TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %d, %p, %p, %p)\n",
1457           graphics, image, dstx, dsty, dstwidth, dstheight, srcx, srcy,
1458           srcwidth, srcheight, srcUnit, imageattr, callback, callbackData);
1459
1460     points[0].X = dstx;
1461     points[0].Y = dsty;
1462     points[1].X = dstx + dstwidth;
1463     points[1].Y = dsty;
1464     points[2].X = dstx;
1465     points[2].Y = dsty + dstheight;
1466
1467     return GdipDrawImagePointsRect(graphics, image, points, 3, srcx, srcy,
1468                srcwidth, srcheight, srcUnit, imageattr, callback, callbackData);
1469 }
1470
1471 GpStatus WINGDIPAPI GdipDrawImageRectRectI(GpGraphics *graphics, GpImage *image,
1472         INT dstx, INT dsty, INT dstwidth, INT dstheight, INT srcx, INT srcy,
1473         INT srcwidth, INT srcheight, GpUnit srcUnit,
1474         GDIPCONST GpImageAttributes* imageAttributes, DrawImageAbort callback,
1475         VOID * callbackData)
1476 {
1477     GpPointF points[3];
1478
1479     TRACE("(%p, %p, %d, %d, %d, %d, %d, %d, %d, %d, %d, %p, %p, %p)\n",
1480           graphics, image, dstx, dsty, dstwidth, dstheight, srcx, srcy,
1481           srcwidth, srcheight, srcUnit, imageAttributes, callback, callbackData);
1482
1483     points[0].X = dstx;
1484     points[0].Y = dsty;
1485     points[1].X = dstx + dstwidth;
1486     points[1].Y = dsty;
1487     points[2].X = dstx;
1488     points[2].Y = dsty + dstheight;
1489
1490     return GdipDrawImagePointsRect(graphics, image, points, 3, srcx, srcy,
1491                srcwidth, srcheight, srcUnit, imageAttributes, callback, callbackData);
1492 }
1493
1494 GpStatus WINGDIPAPI GdipDrawImageRect(GpGraphics *graphics, GpImage *image,
1495     REAL x, REAL y, REAL width, REAL height)
1496 {
1497     RectF bounds;
1498     GpUnit unit;
1499     GpStatus ret;
1500
1501     TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, image, x, y, width, height);
1502
1503     if(!graphics || !image)
1504         return InvalidParameter;
1505
1506     ret = GdipGetImageBounds(image, &bounds, &unit);
1507     if(ret != Ok)
1508         return ret;
1509
1510     return GdipDrawImageRectRect(graphics, image, x, y, width, height,
1511                                  bounds.X, bounds.Y, bounds.Width, bounds.Height,
1512                                  unit, NULL, NULL, NULL);
1513 }
1514
1515 GpStatus WINGDIPAPI GdipDrawImageRectI(GpGraphics *graphics, GpImage *image,
1516     INT x, INT y, INT width, INT height)
1517 {
1518     TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, image, x, y, width, height);
1519
1520     return GdipDrawImageRect(graphics, image, (REAL)x, (REAL)y, (REAL)width, (REAL)height);
1521 }
1522
1523 GpStatus WINGDIPAPI GdipDrawLine(GpGraphics *graphics, GpPen *pen, REAL x1,
1524     REAL y1, REAL x2, REAL y2)
1525 {
1526     INT save_state;
1527     GpPointF pt[2];
1528     GpStatus retval;
1529
1530     TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x1, y1, x2, y2);
1531
1532     if(!pen || !graphics)
1533         return InvalidParameter;
1534
1535     if(graphics->busy)
1536         return ObjectBusy;
1537
1538     pt[0].X = x1;
1539     pt[0].Y = y1;
1540     pt[1].X = x2;
1541     pt[1].Y = y2;
1542
1543     save_state = prepare_dc(graphics, pen);
1544
1545     retval = draw_polyline(graphics, pen, pt, 2, TRUE);
1546
1547     restore_dc(graphics, save_state);
1548
1549     return retval;
1550 }
1551
1552 GpStatus WINGDIPAPI GdipDrawLineI(GpGraphics *graphics, GpPen *pen, INT x1,
1553     INT y1, INT x2, INT y2)
1554 {
1555     INT save_state;
1556     GpPointF pt[2];
1557     GpStatus retval;
1558
1559     TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, pen, x1, y1, x2, y2);
1560
1561     if(!pen || !graphics)
1562         return InvalidParameter;
1563
1564     if(graphics->busy)
1565         return ObjectBusy;
1566
1567     pt[0].X = (REAL)x1;
1568     pt[0].Y = (REAL)y1;
1569     pt[1].X = (REAL)x2;
1570     pt[1].Y = (REAL)y2;
1571
1572     save_state = prepare_dc(graphics, pen);
1573
1574     retval = draw_polyline(graphics, pen, pt, 2, TRUE);
1575
1576     restore_dc(graphics, save_state);
1577
1578     return retval;
1579 }
1580
1581 GpStatus WINGDIPAPI GdipDrawLines(GpGraphics *graphics, GpPen *pen, GDIPCONST
1582     GpPointF *points, INT count)
1583 {
1584     INT save_state;
1585     GpStatus retval;
1586
1587     TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
1588
1589     if(!pen || !graphics || (count < 2))
1590         return InvalidParameter;
1591
1592     if(graphics->busy)
1593         return ObjectBusy;
1594
1595     save_state = prepare_dc(graphics, pen);
1596
1597     retval = draw_polyline(graphics, pen, points, count, TRUE);
1598
1599     restore_dc(graphics, save_state);
1600
1601     return retval;
1602 }
1603
1604 GpStatus WINGDIPAPI GdipDrawLinesI(GpGraphics *graphics, GpPen *pen, GDIPCONST
1605     GpPoint *points, INT count)
1606 {
1607     INT save_state;
1608     GpStatus retval;
1609     GpPointF *ptf = NULL;
1610     int i;
1611
1612     TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
1613
1614     if(!pen || !graphics || (count < 2))
1615         return InvalidParameter;
1616
1617     if(graphics->busy)
1618         return ObjectBusy;
1619
1620     ptf = GdipAlloc(count * sizeof(GpPointF));
1621     if(!ptf) return OutOfMemory;
1622
1623     for(i = 0; i < count; i ++){
1624         ptf[i].X = (REAL) points[i].X;
1625         ptf[i].Y = (REAL) points[i].Y;
1626     }
1627
1628     save_state = prepare_dc(graphics, pen);
1629
1630     retval = draw_polyline(graphics, pen, ptf, count, TRUE);
1631
1632     restore_dc(graphics, save_state);
1633
1634     GdipFree(ptf);
1635     return retval;
1636 }
1637
1638 GpStatus WINGDIPAPI GdipDrawPath(GpGraphics *graphics, GpPen *pen, GpPath *path)
1639 {
1640     INT save_state;
1641     GpStatus retval;
1642
1643     TRACE("(%p, %p, %p)\n", graphics, pen, path);
1644
1645     if(!pen || !graphics)
1646         return InvalidParameter;
1647
1648     if(graphics->busy)
1649         return ObjectBusy;
1650
1651     save_state = prepare_dc(graphics, pen);
1652
1653     retval = draw_poly(graphics, pen, path->pathdata.Points,
1654                        path->pathdata.Types, path->pathdata.Count, TRUE);
1655
1656     restore_dc(graphics, save_state);
1657
1658     return retval;
1659 }
1660
1661 GpStatus WINGDIPAPI GdipDrawPie(GpGraphics *graphics, GpPen *pen, REAL x,
1662     REAL y, REAL width, REAL height, REAL startAngle, REAL sweepAngle)
1663 {
1664     INT save_state;
1665
1666     TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x, y,
1667             width, height, startAngle, sweepAngle);
1668
1669     if(!graphics || !pen)
1670         return InvalidParameter;
1671
1672     if(graphics->busy)
1673         return ObjectBusy;
1674
1675     save_state = prepare_dc(graphics, pen);
1676     SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
1677
1678     draw_pie(graphics, x, y, width, height, startAngle, sweepAngle);
1679
1680     restore_dc(graphics, save_state);
1681
1682     return Ok;
1683 }
1684
1685 GpStatus WINGDIPAPI GdipDrawPieI(GpGraphics *graphics, GpPen *pen, INT x,
1686     INT y, INT width, INT height, REAL startAngle, REAL sweepAngle)
1687 {
1688     TRACE("(%p, %p, %d, %d, %d, %d, %.2f, %.2f)\n", graphics, pen, x, y,
1689             width, height, startAngle, sweepAngle);
1690
1691     return GdipDrawPie(graphics,pen,(REAL)x,(REAL)y,(REAL)width,(REAL)height,startAngle,sweepAngle);
1692 }
1693
1694 GpStatus WINGDIPAPI GdipDrawRectangle(GpGraphics *graphics, GpPen *pen, REAL x,
1695     REAL y, REAL width, REAL height)
1696 {
1697     INT save_state;
1698     GpPointF ptf[4];
1699     POINT pti[4];
1700
1701     TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x, y, width, height);
1702
1703     if(!pen || !graphics)
1704         return InvalidParameter;
1705
1706     if(graphics->busy)
1707         return ObjectBusy;
1708
1709     ptf[0].X = x;
1710     ptf[0].Y = y;
1711     ptf[1].X = x + width;
1712     ptf[1].Y = y;
1713     ptf[2].X = x + width;
1714     ptf[2].Y = y + height;
1715     ptf[3].X = x;
1716     ptf[3].Y = y + height;
1717
1718     save_state = prepare_dc(graphics, pen);
1719     SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
1720
1721     transform_and_round_points(graphics, pti, ptf, 4);
1722     Polygon(graphics->hdc, pti, 4);
1723
1724     restore_dc(graphics, save_state);
1725
1726     return Ok;
1727 }
1728
1729 GpStatus WINGDIPAPI GdipDrawRectangleI(GpGraphics *graphics, GpPen *pen, INT x,
1730     INT y, INT width, INT height)
1731 {
1732     TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, pen, x, y, width, height);
1733
1734     return GdipDrawRectangle(graphics,pen,(REAL)x,(REAL)y,(REAL)width,(REAL)height);
1735 }
1736
1737 GpStatus WINGDIPAPI GdipDrawRectangles(GpGraphics *graphics, GpPen *pen,
1738     GDIPCONST GpRectF* rects, INT count)
1739 {
1740     GpPointF *ptf;
1741     POINT *pti;
1742     INT save_state, i;
1743
1744     TRACE("(%p, %p, %p, %d)\n", graphics, pen, rects, count);
1745
1746     if(!graphics || !pen || !rects || count < 1)
1747         return InvalidParameter;
1748
1749     if(graphics->busy)
1750         return ObjectBusy;
1751
1752     ptf = GdipAlloc(4 * count * sizeof(GpPointF));
1753     pti = GdipAlloc(4 * count * sizeof(POINT));
1754
1755     if(!ptf || !pti){
1756         GdipFree(ptf);
1757         GdipFree(pti);
1758         return OutOfMemory;
1759     }
1760
1761     for(i = 0; i < count; i++){
1762         ptf[4 * i + 3].X = ptf[4 * i].X = rects[i].X;
1763         ptf[4 * i + 1].Y = ptf[4 * i].Y = rects[i].Y;
1764         ptf[4 * i + 2].X = ptf[4 * i + 1].X = rects[i].X + rects[i].Width;
1765         ptf[4 * i + 3].Y = ptf[4 * i + 2].Y = rects[i].Y + rects[i].Height;
1766     }
1767
1768     save_state = prepare_dc(graphics, pen);
1769     SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
1770
1771     transform_and_round_points(graphics, pti, ptf, 4 * count);
1772
1773     for(i = 0; i < count; i++)
1774         Polygon(graphics->hdc, &pti[4 * i], 4);
1775
1776     restore_dc(graphics, save_state);
1777
1778     GdipFree(ptf);
1779     GdipFree(pti);
1780
1781     return Ok;
1782 }
1783
1784 GpStatus WINGDIPAPI GdipDrawRectanglesI(GpGraphics *graphics, GpPen *pen,
1785     GDIPCONST GpRect* rects, INT count)
1786 {
1787     GpRectF *rectsF;
1788     GpStatus ret;
1789     INT i;
1790
1791     TRACE("(%p, %p, %p, %d)\n", graphics, pen, rects, count);
1792
1793     if(!rects || count<=0)
1794         return InvalidParameter;
1795
1796     rectsF = GdipAlloc(sizeof(GpRectF) * count);
1797     if(!rectsF)
1798         return OutOfMemory;
1799
1800     for(i = 0;i < count;i++){
1801         rectsF[i].X      = (REAL)rects[i].X;
1802         rectsF[i].Y      = (REAL)rects[i].Y;
1803         rectsF[i].Width  = (REAL)rects[i].Width;
1804         rectsF[i].Height = (REAL)rects[i].Height;
1805     }
1806
1807     ret = GdipDrawRectangles(graphics, pen, rectsF, count);
1808     GdipFree(rectsF);
1809
1810     return ret;
1811 }
1812
1813 GpStatus WINGDIPAPI GdipDrawString(GpGraphics *graphics, GDIPCONST WCHAR *string,
1814     INT length, GDIPCONST GpFont *font, GDIPCONST RectF *rect,
1815     GDIPCONST GpStringFormat *format, GDIPCONST GpBrush *brush)
1816 {
1817     HRGN rgn = NULL;
1818     HFONT gdifont;
1819     LOGFONTW lfw;
1820     TEXTMETRICW textmet;
1821     GpPointF pt[2], rectcpy[4];
1822     POINT corners[4];
1823     WCHAR* stringdup;
1824     REAL angle, ang_cos, ang_sin, rel_width, rel_height;
1825     INT sum = 0, height = 0, fit, fitcpy, save_state, i, j, lret, nwidth,
1826         nheight;
1827     SIZE size;
1828     RECT drawcoord;
1829
1830     if(!graphics || !string || !font || !brush || !rect)
1831         return InvalidParameter;
1832
1833     if((brush->bt != BrushTypeSolidColor)){
1834         FIXME("not implemented for given parameters\n");
1835         return NotImplemented;
1836     }
1837
1838     if(format)
1839         TRACE("may be ignoring some format flags: attr %x\n", format->attr);
1840
1841     if(length == -1) length = lstrlenW(string);
1842
1843     stringdup = GdipAlloc(length * sizeof(WCHAR));
1844     if(!stringdup) return OutOfMemory;
1845
1846     save_state = SaveDC(graphics->hdc);
1847     SetBkMode(graphics->hdc, TRANSPARENT);
1848     SetTextColor(graphics->hdc, brush->lb.lbColor);
1849
1850     rectcpy[3].X = rectcpy[0].X = rect->X;
1851     rectcpy[1].Y = rectcpy[0].Y = rect->Y;
1852     rectcpy[2].X = rectcpy[1].X = rect->X + rect->Width;
1853     rectcpy[3].Y = rectcpy[2].Y = rect->Y + rect->Height;
1854     transform_and_round_points(graphics, corners, rectcpy, 4);
1855
1856     if(roundr(rect->Width) == 0 && roundr(rect->Height) == 0){
1857         rel_width = rel_height = 1.0;
1858         nwidth = nheight = INT_MAX;
1859     }
1860     else{
1861         rel_width = sqrt((corners[1].x - corners[0].x) * (corners[1].x - corners[0].x) +
1862                          (corners[1].y - corners[0].y) * (corners[1].y - corners[0].y))
1863                          / rect->Width;
1864         rel_height = sqrt((corners[2].x - corners[1].x) * (corners[2].x - corners[1].x) +
1865                           (corners[2].y - corners[1].y) * (corners[2].y - corners[1].y))
1866                           / rect->Height;
1867
1868         nwidth = roundr(rel_width * rect->Width);
1869         nheight = roundr(rel_height * rect->Height);
1870         rgn = CreatePolygonRgn(corners, 4, ALTERNATE);
1871         SelectClipRgn(graphics->hdc, rgn);
1872     }
1873
1874     /* Use gdi to find the font, then perform transformations on it (height,
1875      * width, angle). */
1876     SelectObject(graphics->hdc, CreateFontIndirectW(&font->lfw));
1877     GetTextMetricsW(graphics->hdc, &textmet);
1878     lfw = font->lfw;
1879
1880     lfw.lfHeight = roundr(((REAL)lfw.lfHeight) * rel_height);
1881     lfw.lfWidth = roundr(textmet.tmAveCharWidth * rel_width);
1882
1883     pt[0].X = 0.0;
1884     pt[0].Y = 0.0;
1885     pt[1].X = 1.0;
1886     pt[1].Y = 0.0;
1887     GdipTransformMatrixPoints(graphics->worldtrans, pt, 2);
1888     angle = gdiplus_atan2((pt[1].Y - pt[0].Y), (pt[1].X - pt[0].X));
1889     ang_cos = cos(angle);
1890     ang_sin = sin(angle);
1891     lfw.lfEscapement = lfw.lfOrientation = -roundr((angle / M_PI) * 1800.0);
1892
1893     gdifont = CreateFontIndirectW(&lfw);
1894     DeleteObject(SelectObject(graphics->hdc, CreateFontIndirectW(&lfw)));
1895
1896     for(i = 0, j = 0; i < length; i++){
1897         if(!isprintW(string[i]) && (string[i] != '\n'))
1898             continue;
1899
1900         stringdup[j] = string[i];
1901         j++;
1902     }
1903
1904     stringdup[j] = 0;
1905     length = j;
1906
1907     while(sum < length){
1908         drawcoord.left = corners[0].x + roundr(ang_sin * (REAL) height);
1909         drawcoord.top = corners[0].y + roundr(ang_cos * (REAL) height);
1910
1911         GetTextExtentExPointW(graphics->hdc, stringdup + sum, length - sum,
1912                               nwidth, &fit, NULL, &size);
1913         fitcpy = fit;
1914
1915         if(fit == 0){
1916             DrawTextW(graphics->hdc, stringdup + sum, 1, &drawcoord, DT_NOCLIP |
1917                       DT_EXPANDTABS);
1918             break;
1919         }
1920
1921         for(lret = 0; lret < fit; lret++)
1922             if(*(stringdup + sum + lret) == '\n')
1923                 break;
1924
1925         /* Line break code (may look strange, but it imitates windows). */
1926         if(lret < fit)
1927             fit = lret;    /* this is not an off-by-one error */
1928         else if(fit < (length - sum)){
1929             if(*(stringdup + sum + fit) == ' ')
1930                 while(*(stringdup + sum + fit) == ' ')
1931                     fit++;
1932             else
1933                 while(*(stringdup + sum + fit - 1) != ' '){
1934                     fit--;
1935
1936                     if(*(stringdup + sum + fit) == '\t')
1937                         break;
1938
1939                     if(fit == 0){
1940                         fit = fitcpy;
1941                         break;
1942                     }
1943                 }
1944         }
1945         DrawTextW(graphics->hdc, stringdup + sum, min(length - sum, fit),
1946                   &drawcoord, DT_NOCLIP | DT_EXPANDTABS);
1947
1948         sum += fit + (lret < fitcpy ? 1 : 0);
1949         height += size.cy;
1950
1951         if(height > nheight)
1952             break;
1953
1954         /* Stop if this was a linewrap (but not if it was a linebreak). */
1955         if((lret == fitcpy) && format && (format->attr & StringFormatFlagsNoWrap))
1956             break;
1957     }
1958
1959     GdipFree(stringdup);
1960     DeleteObject(rgn);
1961     DeleteObject(gdifont);
1962
1963     RestoreDC(graphics->hdc, save_state);
1964
1965     return Ok;
1966 }
1967
1968 GpStatus WINGDIPAPI GdipFillClosedCurve2(GpGraphics *graphics, GpBrush *brush,
1969     GDIPCONST GpPointF *points, INT count, REAL tension, GpFillMode fill)
1970 {
1971     GpPath *path;
1972     GpStatus stat;
1973
1974     TRACE("(%p, %p, %p, %d, %.2f, %d)\n", graphics, brush, points,
1975             count, tension, fill);
1976
1977     if(!graphics || !brush || !points)
1978         return InvalidParameter;
1979
1980     if(graphics->busy)
1981         return ObjectBusy;
1982
1983     stat = GdipCreatePath(fill, &path);
1984     if(stat != Ok)
1985         return stat;
1986
1987     stat = GdipAddPathClosedCurve2(path, points, count, tension);
1988     if(stat != Ok){
1989         GdipDeletePath(path);
1990         return stat;
1991     }
1992
1993     stat = GdipFillPath(graphics, brush, path);
1994     if(stat != Ok){
1995         GdipDeletePath(path);
1996         return stat;
1997     }
1998
1999     GdipDeletePath(path);
2000
2001     return Ok;
2002 }
2003
2004 GpStatus WINGDIPAPI GdipFillClosedCurve2I(GpGraphics *graphics, GpBrush *brush,
2005     GDIPCONST GpPoint *points, INT count, REAL tension, GpFillMode fill)
2006 {
2007     GpPointF *ptf;
2008     GpStatus stat;
2009     INT i;
2010
2011     TRACE("(%p, %p, %p, %d, %.2f, %d)\n", graphics, brush, points,
2012             count, tension, fill);
2013
2014     if(!points || count <= 0)
2015         return InvalidParameter;
2016
2017     ptf = GdipAlloc(sizeof(GpPointF)*count);
2018     if(!ptf)
2019         return OutOfMemory;
2020
2021     for(i = 0;i < count;i++){
2022         ptf[i].X = (REAL)points[i].X;
2023         ptf[i].Y = (REAL)points[i].Y;
2024     }
2025
2026     stat = GdipFillClosedCurve2(graphics, brush, ptf, count, tension, fill);
2027
2028     GdipFree(ptf);
2029
2030     return stat;
2031 }
2032
2033 GpStatus WINGDIPAPI GdipFillEllipse(GpGraphics *graphics, GpBrush *brush, REAL x,
2034     REAL y, REAL width, REAL height)
2035 {
2036     INT save_state;
2037     GpPointF ptf[2];
2038     POINT pti[2];
2039
2040     TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, brush, x, y, width, height);
2041
2042     if(!graphics || !brush)
2043         return InvalidParameter;
2044
2045     if(graphics->busy)
2046         return ObjectBusy;
2047
2048     ptf[0].X = x;
2049     ptf[0].Y = y;
2050     ptf[1].X = x + width;
2051     ptf[1].Y = y + height;
2052
2053     save_state = SaveDC(graphics->hdc);
2054     EndPath(graphics->hdc);
2055     SelectObject(graphics->hdc, brush->gdibrush);
2056     SelectObject(graphics->hdc, GetStockObject(NULL_PEN));
2057
2058     transform_and_round_points(graphics, pti, ptf, 2);
2059
2060     Ellipse(graphics->hdc, pti[0].x, pti[0].y, pti[1].x, pti[1].y);
2061
2062     RestoreDC(graphics->hdc, save_state);
2063
2064     return Ok;
2065 }
2066
2067 GpStatus WINGDIPAPI GdipFillEllipseI(GpGraphics *graphics, GpBrush *brush, INT x,
2068     INT y, INT width, INT height)
2069 {
2070     TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, brush, x, y, width, height);
2071
2072     return GdipFillEllipse(graphics,brush,(REAL)x,(REAL)y,(REAL)width,(REAL)height);
2073 }
2074
2075 GpStatus WINGDIPAPI GdipFillPath(GpGraphics *graphics, GpBrush *brush, GpPath *path)
2076 {
2077     INT save_state;
2078     GpStatus retval;
2079
2080     TRACE("(%p, %p, %p)\n", graphics, brush, path);
2081
2082     if(!brush || !graphics || !path)
2083         return InvalidParameter;
2084
2085     if(graphics->busy)
2086         return ObjectBusy;
2087
2088     save_state = SaveDC(graphics->hdc);
2089     EndPath(graphics->hdc);
2090     SelectObject(graphics->hdc, brush->gdibrush);
2091     SetPolyFillMode(graphics->hdc, (path->fill == FillModeAlternate ? ALTERNATE
2092                                                                     : WINDING));
2093
2094     BeginPath(graphics->hdc);
2095     retval = draw_poly(graphics, NULL, path->pathdata.Points,
2096                        path->pathdata.Types, path->pathdata.Count, FALSE);
2097
2098     if(retval != Ok)
2099         goto end;
2100
2101     EndPath(graphics->hdc);
2102     FillPath(graphics->hdc);
2103
2104     retval = Ok;
2105
2106 end:
2107     RestoreDC(graphics->hdc, save_state);
2108
2109     return retval;
2110 }
2111
2112 GpStatus WINGDIPAPI GdipFillPie(GpGraphics *graphics, GpBrush *brush, REAL x,
2113     REAL y, REAL width, REAL height, REAL startAngle, REAL sweepAngle)
2114 {
2115     INT save_state;
2116
2117     TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f)\n",
2118             graphics, brush, x, y, width, height, startAngle, sweepAngle);
2119
2120     if(!graphics || !brush)
2121         return InvalidParameter;
2122
2123     if(graphics->busy)
2124         return ObjectBusy;
2125
2126     save_state = SaveDC(graphics->hdc);
2127     EndPath(graphics->hdc);
2128     SelectObject(graphics->hdc, brush->gdibrush);
2129     SelectObject(graphics->hdc, GetStockObject(NULL_PEN));
2130
2131     draw_pie(graphics, x, y, width, height, startAngle, sweepAngle);
2132
2133     RestoreDC(graphics->hdc, save_state);
2134
2135     return Ok;
2136 }
2137
2138 GpStatus WINGDIPAPI GdipFillPieI(GpGraphics *graphics, GpBrush *brush, INT x,
2139     INT y, INT width, INT height, REAL startAngle, REAL sweepAngle)
2140 {
2141     TRACE("(%p, %p, %d, %d, %d, %d, %.2f, %.2f)\n",
2142             graphics, brush, x, y, width, height, startAngle, sweepAngle);
2143
2144     return GdipFillPie(graphics,brush,(REAL)x,(REAL)y,(REAL)width,(REAL)height,startAngle,sweepAngle);
2145 }
2146
2147 GpStatus WINGDIPAPI GdipFillPolygon(GpGraphics *graphics, GpBrush *brush,
2148     GDIPCONST GpPointF *points, INT count, GpFillMode fillMode)
2149 {
2150     INT save_state;
2151     GpPointF *ptf = NULL;
2152     POINT *pti = NULL;
2153     GpStatus retval = Ok;
2154
2155     TRACE("(%p, %p, %p, %d, %d)\n", graphics, brush, points, count, fillMode);
2156
2157     if(!graphics || !brush || !points || !count)
2158         return InvalidParameter;
2159
2160     if(graphics->busy)
2161         return ObjectBusy;
2162
2163     ptf = GdipAlloc(count * sizeof(GpPointF));
2164     pti = GdipAlloc(count * sizeof(POINT));
2165     if(!ptf || !pti){
2166         retval = OutOfMemory;
2167         goto end;
2168     }
2169
2170     memcpy(ptf, points, count * sizeof(GpPointF));
2171
2172     save_state = SaveDC(graphics->hdc);
2173     EndPath(graphics->hdc);
2174     SelectObject(graphics->hdc, brush->gdibrush);
2175     SelectObject(graphics->hdc, GetStockObject(NULL_PEN));
2176     SetPolyFillMode(graphics->hdc, (fillMode == FillModeAlternate ? ALTERNATE
2177                                                                   : WINDING));
2178
2179     transform_and_round_points(graphics, pti, ptf, count);
2180     Polygon(graphics->hdc, pti, count);
2181
2182     RestoreDC(graphics->hdc, save_state);
2183
2184 end:
2185     GdipFree(ptf);
2186     GdipFree(pti);
2187
2188     return retval;
2189 }
2190
2191 GpStatus WINGDIPAPI GdipFillPolygonI(GpGraphics *graphics, GpBrush *brush,
2192     GDIPCONST GpPoint *points, INT count, GpFillMode fillMode)
2193 {
2194     INT save_state, i;
2195     GpPointF *ptf = NULL;
2196     POINT *pti = NULL;
2197     GpStatus retval = Ok;
2198
2199     TRACE("(%p, %p, %p, %d, %d)\n", graphics, brush, points, count, fillMode);
2200
2201     if(!graphics || !brush || !points || !count)
2202         return InvalidParameter;
2203
2204     if(graphics->busy)
2205         return ObjectBusy;
2206
2207     ptf = GdipAlloc(count * sizeof(GpPointF));
2208     pti = GdipAlloc(count * sizeof(POINT));
2209     if(!ptf || !pti){
2210         retval = OutOfMemory;
2211         goto end;
2212     }
2213
2214     for(i = 0; i < count; i ++){
2215         ptf[i].X = (REAL) points[i].X;
2216         ptf[i].Y = (REAL) points[i].Y;
2217     }
2218
2219     save_state = SaveDC(graphics->hdc);
2220     EndPath(graphics->hdc);
2221     SelectObject(graphics->hdc, brush->gdibrush);
2222     SelectObject(graphics->hdc, GetStockObject(NULL_PEN));
2223     SetPolyFillMode(graphics->hdc, (fillMode == FillModeAlternate ? ALTERNATE
2224                                                                   : WINDING));
2225
2226     transform_and_round_points(graphics, pti, ptf, count);
2227     Polygon(graphics->hdc, pti, count);
2228
2229     RestoreDC(graphics->hdc, save_state);
2230
2231 end:
2232     GdipFree(ptf);
2233     GdipFree(pti);
2234
2235     return retval;
2236 }
2237
2238 GpStatus WINGDIPAPI GdipFillPolygon2(GpGraphics *graphics, GpBrush *brush,
2239     GDIPCONST GpPointF *points, INT count)
2240 {
2241     TRACE("(%p, %p, %p, %d)\n", graphics, brush, points, count);
2242
2243     return GdipFillPolygon(graphics, brush, points, count, FillModeAlternate);
2244 }
2245
2246 GpStatus WINGDIPAPI GdipFillPolygon2I(GpGraphics *graphics, GpBrush *brush,
2247     GDIPCONST GpPoint *points, INT count)
2248 {
2249     TRACE("(%p, %p, %p, %d)\n", graphics, brush, points, count);
2250
2251     return GdipFillPolygonI(graphics, brush, points, count, FillModeAlternate);
2252 }
2253
2254 GpStatus WINGDIPAPI GdipFillRectangle(GpGraphics *graphics, GpBrush *brush,
2255     REAL x, REAL y, REAL width, REAL height)
2256 {
2257     INT save_state;
2258     GpPointF ptf[4];
2259     POINT pti[4];
2260
2261     TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, brush, x, y, width, height);
2262
2263     if(!graphics || !brush)
2264         return InvalidParameter;
2265
2266     if(graphics->busy)
2267         return ObjectBusy;
2268
2269     ptf[0].X = x;
2270     ptf[0].Y = y;
2271     ptf[1].X = x + width;
2272     ptf[1].Y = y;
2273     ptf[2].X = x + width;
2274     ptf[2].Y = y + height;
2275     ptf[3].X = x;
2276     ptf[3].Y = y + height;
2277
2278     save_state = SaveDC(graphics->hdc);
2279     EndPath(graphics->hdc);
2280     SelectObject(graphics->hdc, brush->gdibrush);
2281     SelectObject(graphics->hdc, GetStockObject(NULL_PEN));
2282
2283     transform_and_round_points(graphics, pti, ptf, 4);
2284
2285     Polygon(graphics->hdc, pti, 4);
2286
2287     RestoreDC(graphics->hdc, save_state);
2288
2289     return Ok;
2290 }
2291
2292 GpStatus WINGDIPAPI GdipFillRectangleI(GpGraphics *graphics, GpBrush *brush,
2293     INT x, INT y, INT width, INT height)
2294 {
2295     INT save_state;
2296     GpPointF ptf[4];
2297     POINT pti[4];
2298
2299     TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, brush, x, y, width, height);
2300
2301     if(!graphics || !brush)
2302         return InvalidParameter;
2303
2304     if(graphics->busy)
2305         return ObjectBusy;
2306
2307     ptf[0].X = x;
2308     ptf[0].Y = y;
2309     ptf[1].X = x + width;
2310     ptf[1].Y = y;
2311     ptf[2].X = x + width;
2312     ptf[2].Y = y + height;
2313     ptf[3].X = x;
2314     ptf[3].Y = y + height;
2315
2316     save_state = SaveDC(graphics->hdc);
2317     EndPath(graphics->hdc);
2318     SelectObject(graphics->hdc, brush->gdibrush);
2319     SelectObject(graphics->hdc, GetStockObject(NULL_PEN));
2320
2321     transform_and_round_points(graphics, pti, ptf, 4);
2322
2323     Polygon(graphics->hdc, pti, 4);
2324
2325     RestoreDC(graphics->hdc, save_state);
2326
2327     return Ok;
2328 }
2329
2330 GpStatus WINGDIPAPI GdipFillRectangles(GpGraphics *graphics, GpBrush *brush, GDIPCONST GpRectF *rects,
2331     INT count)
2332 {
2333     GpStatus ret;
2334     INT i;
2335
2336     TRACE("(%p, %p, %p, %d)\n", graphics, brush, rects, count);
2337
2338     if(!rects)
2339         return InvalidParameter;
2340
2341     for(i = 0; i < count; i++){
2342         ret = GdipFillRectangle(graphics, brush, rects[i].X, rects[i].Y, rects[i].Width, rects[i].Height);
2343         if(ret != Ok)   return ret;
2344     }
2345
2346     return Ok;
2347 }
2348
2349 GpStatus WINGDIPAPI GdipFillRectanglesI(GpGraphics *graphics, GpBrush *brush, GDIPCONST GpRect *rects,
2350     INT count)
2351 {
2352     GpRectF *rectsF;
2353     GpStatus ret;
2354     INT i;
2355
2356     TRACE("(%p, %p, %p, %d)\n", graphics, brush, rects, count);
2357
2358     if(!rects || count <= 0)
2359         return InvalidParameter;
2360
2361     rectsF = GdipAlloc(sizeof(GpRectF)*count);
2362     if(!rectsF)
2363         return OutOfMemory;
2364
2365     for(i = 0; i < count; i++){
2366         rectsF[i].X      = (REAL)rects[i].X;
2367         rectsF[i].Y      = (REAL)rects[i].Y;
2368         rectsF[i].X      = (REAL)rects[i].Width;
2369         rectsF[i].Height = (REAL)rects[i].Height;
2370     }
2371
2372     ret = GdipFillRectangles(graphics,brush,rectsF,count);
2373     GdipFree(rectsF);
2374
2375     return ret;
2376 }
2377
2378 GpStatus WINGDIPAPI GdipFillRegion(GpGraphics* graphics, GpBrush* brush,
2379         GpRegion* region)
2380 {
2381     if (!(graphics && brush && region))
2382         return InvalidParameter;
2383
2384     if(graphics->busy)
2385         return ObjectBusy;
2386
2387     FIXME("(%p, %p, %p): stub\n", graphics, brush, region);
2388
2389     return NotImplemented;
2390 }
2391
2392 GpStatus WINGDIPAPI GdipFlush(GpGraphics *graphics, GpFlushIntention intention)
2393 {
2394     static int calls;
2395
2396     if(!graphics)
2397         return InvalidParameter;
2398
2399     if(graphics->busy)
2400         return ObjectBusy;
2401
2402     if(!(calls++))
2403         FIXME("not implemented\n");
2404
2405     return NotImplemented;
2406 }
2407
2408 /* FIXME: Compositing mode is not used anywhere except the getter/setter. */
2409 GpStatus WINGDIPAPI GdipGetCompositingMode(GpGraphics *graphics,
2410     CompositingMode *mode)
2411 {
2412     TRACE("(%p, %p)\n", graphics, mode);
2413
2414     if(!graphics || !mode)
2415         return InvalidParameter;
2416
2417     if(graphics->busy)
2418         return ObjectBusy;
2419
2420     *mode = graphics->compmode;
2421
2422     return Ok;
2423 }
2424
2425 /* FIXME: Compositing quality is not used anywhere except the getter/setter. */
2426 GpStatus WINGDIPAPI GdipGetCompositingQuality(GpGraphics *graphics,
2427     CompositingQuality *quality)
2428 {
2429     TRACE("(%p, %p)\n", graphics, quality);
2430
2431     if(!graphics || !quality)
2432         return InvalidParameter;
2433
2434     if(graphics->busy)
2435         return ObjectBusy;
2436
2437     *quality = graphics->compqual;
2438
2439     return Ok;
2440 }
2441
2442 /* FIXME: Interpolation mode is not used anywhere except the getter/setter. */
2443 GpStatus WINGDIPAPI GdipGetInterpolationMode(GpGraphics *graphics,
2444     InterpolationMode *mode)
2445 {
2446     TRACE("(%p, %p)\n", graphics, mode);
2447
2448     if(!graphics || !mode)
2449         return InvalidParameter;
2450
2451     if(graphics->busy)
2452         return ObjectBusy;
2453
2454     *mode = graphics->interpolation;
2455
2456     return Ok;
2457 }
2458
2459 GpStatus WINGDIPAPI GdipGetNearestColor(GpGraphics *graphics, ARGB* argb)
2460 {
2461     if(!graphics || !argb)
2462         return InvalidParameter;
2463
2464     if(graphics->busy)
2465         return ObjectBusy;
2466
2467     FIXME("(%p, %p): stub\n", graphics, argb);
2468
2469     return NotImplemented;
2470 }
2471
2472 GpStatus WINGDIPAPI GdipGetPageScale(GpGraphics *graphics, REAL *scale)
2473 {
2474     TRACE("(%p, %p)\n", graphics, scale);
2475
2476     if(!graphics || !scale)
2477         return InvalidParameter;
2478
2479     if(graphics->busy)
2480         return ObjectBusy;
2481
2482     *scale = graphics->scale;
2483
2484     return Ok;
2485 }
2486
2487 GpStatus WINGDIPAPI GdipGetPageUnit(GpGraphics *graphics, GpUnit *unit)
2488 {
2489     TRACE("(%p, %p)\n", graphics, unit);
2490
2491     if(!graphics || !unit)
2492         return InvalidParameter;
2493
2494     if(graphics->busy)
2495         return ObjectBusy;
2496
2497     *unit = graphics->unit;
2498
2499     return Ok;
2500 }
2501
2502 /* FIXME: Pixel offset mode is not used anywhere except the getter/setter. */
2503 GpStatus WINGDIPAPI GdipGetPixelOffsetMode(GpGraphics *graphics, PixelOffsetMode
2504     *mode)
2505 {
2506     TRACE("(%p, %p)\n", graphics, mode);
2507
2508     if(!graphics || !mode)
2509         return InvalidParameter;
2510
2511     if(graphics->busy)
2512         return ObjectBusy;
2513
2514     *mode = graphics->pixeloffset;
2515
2516     return Ok;
2517 }
2518
2519 /* FIXME: Smoothing mode is not used anywhere except the getter/setter. */
2520 GpStatus WINGDIPAPI GdipGetSmoothingMode(GpGraphics *graphics, SmoothingMode *mode)
2521 {
2522     TRACE("(%p, %p)\n", graphics, mode);
2523
2524     if(!graphics || !mode)
2525         return InvalidParameter;
2526
2527     if(graphics->busy)
2528         return ObjectBusy;
2529
2530     *mode = graphics->smoothing;
2531
2532     return Ok;
2533 }
2534
2535 GpStatus WINGDIPAPI GdipGetTextContrast(GpGraphics *graphics, UINT *contrast)
2536 {
2537     TRACE("(%p, %p)\n", graphics, contrast);
2538
2539     if(!graphics || !contrast)
2540         return InvalidParameter;
2541
2542     *contrast = graphics->textcontrast;
2543
2544     return Ok;
2545 }
2546
2547 /* FIXME: Text rendering hint is not used anywhere except the getter/setter. */
2548 GpStatus WINGDIPAPI GdipGetTextRenderingHint(GpGraphics *graphics,
2549     TextRenderingHint *hint)
2550 {
2551     TRACE("(%p, %p)\n", graphics, hint);
2552
2553     if(!graphics || !hint)
2554         return InvalidParameter;
2555
2556     if(graphics->busy)
2557         return ObjectBusy;
2558
2559     *hint = graphics->texthint;
2560
2561     return Ok;
2562 }
2563
2564 GpStatus WINGDIPAPI GdipGetWorldTransform(GpGraphics *graphics, GpMatrix *matrix)
2565 {
2566     TRACE("(%p, %p)\n", graphics, matrix);
2567
2568     if(!graphics || !matrix)
2569         return InvalidParameter;
2570
2571     if(graphics->busy)
2572         return ObjectBusy;
2573
2574     *matrix = *graphics->worldtrans;
2575     return Ok;
2576 }
2577
2578 GpStatus WINGDIPAPI GdipGraphicsClear(GpGraphics *graphics, ARGB color)
2579 {
2580     GpSolidFill *brush;
2581     GpStatus stat;
2582     RECT rect;
2583
2584     TRACE("(%p, %x)\n", graphics, color);
2585
2586     if(!graphics)
2587         return InvalidParameter;
2588
2589     if(graphics->busy)
2590         return ObjectBusy;
2591
2592     if((stat = GdipCreateSolidFill(color, &brush)) != Ok)
2593         return stat;
2594
2595     if(graphics->hwnd){
2596         if(!GetWindowRect(graphics->hwnd, &rect)){
2597             GdipDeleteBrush((GpBrush*)brush);
2598             return GenericError;
2599         }
2600
2601         GdipFillRectangle(graphics, (GpBrush*)brush, 0.0, 0.0, (REAL)(rect.right  - rect.left),
2602                                                                (REAL)(rect.bottom - rect.top));
2603     }
2604     else
2605         GdipFillRectangle(graphics, (GpBrush*)brush, 0.0, 0.0, (REAL)GetDeviceCaps(graphics->hdc, HORZRES),
2606                                                                (REAL)GetDeviceCaps(graphics->hdc, VERTRES));
2607
2608     GdipDeleteBrush((GpBrush*)brush);
2609
2610     return Ok;
2611 }
2612
2613 GpStatus WINGDIPAPI GdipIsClipEmpty(GpGraphics *graphics, BOOL *res)
2614 {
2615     TRACE("(%p, %p)\n", graphics, res);
2616
2617     if(!graphics || !res)
2618         return InvalidParameter;
2619
2620     return GdipIsEmptyRegion(graphics->clip, graphics, res);
2621 }
2622
2623 GpStatus WINGDIPAPI GdipIsVisiblePoint(GpGraphics *graphics, REAL x, REAL y, BOOL *result)
2624 {
2625     FIXME("(%p, %.2f, %.2f, %p) stub\n", graphics, x, y, result);
2626
2627     if(!graphics || !result)
2628         return InvalidParameter;
2629
2630     if(graphics->busy)
2631         return ObjectBusy;
2632
2633     return NotImplemented;
2634 }
2635
2636 GpStatus WINGDIPAPI GdipIsVisiblePointI(GpGraphics *graphics, INT x, INT y, BOOL *result)
2637 {
2638     FIXME("(%p, %d, %d, %p) stub\n", graphics, x, y, result);
2639
2640     if(!graphics || !result)
2641         return InvalidParameter;
2642
2643     if(graphics->busy)
2644         return ObjectBusy;
2645
2646     return NotImplemented;
2647 }
2648
2649 GpStatus WINGDIPAPI GdipMeasureCharacterRanges(GpGraphics* graphics,
2650         GDIPCONST WCHAR* string, INT length, GDIPCONST GpFont* font,
2651         GDIPCONST RectF* layoutRect, GDIPCONST GpStringFormat *stringFormat,
2652         INT regionCount, GpRegion** regions)
2653 {
2654     if (!(graphics && string && font && layoutRect && stringFormat && regions))
2655         return InvalidParameter;
2656
2657     FIXME("stub: %p %s %d %p %p %p %d %p\n", graphics, debugstr_w(string),
2658             length, font, layoutRect, stringFormat, regionCount, regions);
2659
2660     return NotImplemented;
2661 }
2662
2663 /* Find the smallest rectangle that bounds the text when it is printed in rect
2664  * according to the format options listed in format. If rect has 0 width and
2665  * height, then just find the smallest rectangle that bounds the text when it's
2666  * printed at location (rect->X, rect-Y). */
2667 GpStatus WINGDIPAPI GdipMeasureString(GpGraphics *graphics,
2668     GDIPCONST WCHAR *string, INT length, GDIPCONST GpFont *font,
2669     GDIPCONST RectF *rect, GDIPCONST GpStringFormat *format, RectF *bounds,
2670     INT *codepointsfitted, INT *linesfilled)
2671 {
2672     HFONT oldfont;
2673     WCHAR* stringdup;
2674     INT sum = 0, height = 0, fit, fitcpy, max_width = 0, i, j, lret, nwidth,
2675         nheight;
2676     SIZE size;
2677
2678     if(!graphics || !string || !font || !rect)
2679         return InvalidParameter;
2680
2681     if(linesfilled) *linesfilled = 0;
2682     if(codepointsfitted) *codepointsfitted = 0;
2683
2684     if(format)
2685         TRACE("may be ignoring some format flags: attr %x\n", format->attr);
2686
2687     if(length == -1) length = lstrlenW(string);
2688
2689     stringdup = GdipAlloc((length + 1) * sizeof(WCHAR));
2690     if(!stringdup) return OutOfMemory;
2691
2692     oldfont = SelectObject(graphics->hdc, CreateFontIndirectW(&font->lfw));
2693     nwidth = roundr(rect->Width);
2694     nheight = roundr(rect->Height);
2695
2696     if((nwidth == 0) && (nheight == 0))
2697         nwidth = nheight = INT_MAX;
2698
2699     for(i = 0, j = 0; i < length; i++){
2700         if(!isprintW(string[i]) && (string[i] != '\n'))
2701             continue;
2702
2703         stringdup[j] = string[i];
2704         j++;
2705     }
2706
2707     stringdup[j] = 0;
2708     length = j;
2709
2710     while(sum < length){
2711         GetTextExtentExPointW(graphics->hdc, stringdup + sum, length - sum,
2712                               nwidth, &fit, NULL, &size);
2713         fitcpy = fit;
2714
2715         if(fit == 0)
2716             break;
2717
2718         for(lret = 0; lret < fit; lret++)
2719             if(*(stringdup + sum + lret) == '\n')
2720                 break;
2721
2722         /* Line break code (may look strange, but it imitates windows). */
2723         if(lret < fit)
2724             fit = lret;    /* this is not an off-by-one error */
2725         else if(fit < (length - sum)){
2726             if(*(stringdup + sum + fit) == ' ')
2727                 while(*(stringdup + sum + fit) == ' ')
2728                     fit++;
2729             else
2730                 while(*(stringdup + sum + fit - 1) != ' '){
2731                     fit--;
2732
2733                     if(*(stringdup + sum + fit) == '\t')
2734                         break;
2735
2736                     if(fit == 0){
2737                         fit = fitcpy;
2738                         break;
2739                     }
2740                 }
2741         }
2742
2743         GetTextExtentExPointW(graphics->hdc, stringdup + sum, fit,
2744                               nwidth, &j, NULL, &size);
2745
2746         sum += fit + (lret < fitcpy ? 1 : 0);
2747         if(codepointsfitted) *codepointsfitted = sum;
2748
2749         height += size.cy;
2750         if(linesfilled) *linesfilled += size.cy;
2751         max_width = max(max_width, size.cx);
2752
2753         if(height > nheight)
2754             break;
2755
2756         /* Stop if this was a linewrap (but not if it was a linebreak). */
2757         if((lret == fitcpy) && format && (format->attr & StringFormatFlagsNoWrap))
2758             break;
2759     }
2760
2761     bounds->X = rect->X;
2762     bounds->Y = rect->Y;
2763     bounds->Width = (REAL)max_width;
2764     bounds->Height = (REAL) min(height, nheight);
2765
2766     GdipFree(stringdup);
2767     DeleteObject(SelectObject(graphics->hdc, oldfont));
2768
2769     return Ok;
2770 }
2771
2772 GpStatus WINGDIPAPI GdipResetClip(GpGraphics *graphics)
2773 {
2774     TRACE("(%p)\n", graphics);
2775
2776     if(!graphics)
2777         return InvalidParameter;
2778
2779     if(graphics->busy)
2780         return ObjectBusy;
2781
2782     return GdipSetInfinite(graphics->clip);
2783 }
2784
2785 GpStatus WINGDIPAPI GdipResetWorldTransform(GpGraphics *graphics)
2786 {
2787     TRACE("(%p)\n", graphics);
2788
2789     if(!graphics)
2790         return InvalidParameter;
2791
2792     if(graphics->busy)
2793         return ObjectBusy;
2794
2795     graphics->worldtrans->matrix[0] = 1.0;
2796     graphics->worldtrans->matrix[1] = 0.0;
2797     graphics->worldtrans->matrix[2] = 0.0;
2798     graphics->worldtrans->matrix[3] = 1.0;
2799     graphics->worldtrans->matrix[4] = 0.0;
2800     graphics->worldtrans->matrix[5] = 0.0;
2801
2802     return Ok;
2803 }
2804
2805 GpStatus WINGDIPAPI GdipRestoreGraphics(GpGraphics *graphics, GraphicsState state)
2806 {
2807     static int calls;
2808
2809     if(!graphics)
2810         return InvalidParameter;
2811
2812     if(!(calls++))
2813         FIXME("graphics state not implemented\n");
2814
2815     return Ok;
2816 }
2817
2818 GpStatus WINGDIPAPI GdipRotateWorldTransform(GpGraphics *graphics, REAL angle,
2819     GpMatrixOrder order)
2820 {
2821     TRACE("(%p, %.2f, %d)\n", graphics, angle, order);
2822
2823     if(!graphics)
2824         return InvalidParameter;
2825
2826     if(graphics->busy)
2827         return ObjectBusy;
2828
2829     return GdipRotateMatrix(graphics->worldtrans, angle, order);
2830 }
2831
2832 GpStatus WINGDIPAPI GdipSaveGraphics(GpGraphics *graphics, GraphicsState *state)
2833 {
2834     static int calls;
2835
2836     if(!graphics || !state)
2837         return InvalidParameter;
2838
2839     if(!(calls++))
2840         FIXME("graphics state not implemented\n");
2841
2842     *state = 0xdeadbeef;
2843     return Ok;
2844 }
2845
2846 GpStatus WINGDIPAPI GdipBeginContainer2(GpGraphics *graphics, GraphicsContainer *state)
2847 {
2848     FIXME("(%p, %p)\n", graphics, state);
2849
2850     if(!graphics || !state)
2851         return InvalidParameter;
2852
2853     *state = 0xdeadbeef;
2854     return Ok;
2855 }
2856
2857 GpStatus WINGDIPAPI GdipEndContainer(GpGraphics *graphics, GraphicsState state)
2858 {
2859     FIXME("(%p, 0x%x)\n", graphics, state);
2860
2861     if(!graphics || !state)
2862         return InvalidParameter;
2863
2864     return Ok;
2865 }
2866
2867 GpStatus WINGDIPAPI GdipScaleWorldTransform(GpGraphics *graphics, REAL sx,
2868     REAL sy, GpMatrixOrder order)
2869 {
2870     TRACE("(%p, %.2f, %.2f, %d)\n", graphics, sx, sy, order);
2871
2872     if(!graphics)
2873         return InvalidParameter;
2874
2875     if(graphics->busy)
2876         return ObjectBusy;
2877
2878     return GdipScaleMatrix(graphics->worldtrans, sx, sy, order);
2879 }
2880
2881 GpStatus WINGDIPAPI GdipSetClipGraphics(GpGraphics *graphics, GpGraphics *srcgraphics,
2882     CombineMode mode)
2883 {
2884     TRACE("(%p, %p, %d)\n", graphics, srcgraphics, mode);
2885
2886     if(!graphics || !srcgraphics)
2887         return InvalidParameter;
2888
2889     return GdipCombineRegionRegion(graphics->clip, srcgraphics->clip, mode);
2890 }
2891
2892 GpStatus WINGDIPAPI GdipSetCompositingMode(GpGraphics *graphics,
2893     CompositingMode mode)
2894 {
2895     TRACE("(%p, %d)\n", graphics, mode);
2896
2897     if(!graphics)
2898         return InvalidParameter;
2899
2900     if(graphics->busy)
2901         return ObjectBusy;
2902
2903     graphics->compmode = mode;
2904
2905     return Ok;
2906 }
2907
2908 GpStatus WINGDIPAPI GdipSetCompositingQuality(GpGraphics *graphics,
2909     CompositingQuality quality)
2910 {
2911     TRACE("(%p, %d)\n", graphics, quality);
2912
2913     if(!graphics)
2914         return InvalidParameter;
2915
2916     if(graphics->busy)
2917         return ObjectBusy;
2918
2919     graphics->compqual = quality;
2920
2921     return Ok;
2922 }
2923
2924 GpStatus WINGDIPAPI GdipSetInterpolationMode(GpGraphics *graphics,
2925     InterpolationMode mode)
2926 {
2927     TRACE("(%p, %d)\n", graphics, mode);
2928
2929     if(!graphics)
2930         return InvalidParameter;
2931
2932     if(graphics->busy)
2933         return ObjectBusy;
2934
2935     graphics->interpolation = mode;
2936
2937     return Ok;
2938 }
2939
2940 GpStatus WINGDIPAPI GdipSetPageScale(GpGraphics *graphics, REAL scale)
2941 {
2942     TRACE("(%p, %.2f)\n", graphics, scale);
2943
2944     if(!graphics || (scale <= 0.0))
2945         return InvalidParameter;
2946
2947     if(graphics->busy)
2948         return ObjectBusy;
2949
2950     graphics->scale = scale;
2951
2952     return Ok;
2953 }
2954
2955 GpStatus WINGDIPAPI GdipSetPageUnit(GpGraphics *graphics, GpUnit unit)
2956 {
2957     TRACE("(%p, %d)\n", graphics, unit);
2958
2959     if(!graphics)
2960         return InvalidParameter;
2961
2962     if(graphics->busy)
2963         return ObjectBusy;
2964
2965     if(unit == UnitWorld)
2966         return InvalidParameter;
2967
2968     graphics->unit = unit;
2969
2970     return Ok;
2971 }
2972
2973 GpStatus WINGDIPAPI GdipSetPixelOffsetMode(GpGraphics *graphics, PixelOffsetMode
2974     mode)
2975 {
2976     TRACE("(%p, %d)\n", graphics, mode);
2977
2978     if(!graphics)
2979         return InvalidParameter;
2980
2981     if(graphics->busy)
2982         return ObjectBusy;
2983
2984     graphics->pixeloffset = mode;
2985
2986     return Ok;
2987 }
2988
2989 GpStatus WINGDIPAPI GdipSetSmoothingMode(GpGraphics *graphics, SmoothingMode mode)
2990 {
2991     TRACE("(%p, %d)\n", graphics, mode);
2992
2993     if(!graphics)
2994         return InvalidParameter;
2995
2996     if(graphics->busy)
2997         return ObjectBusy;
2998
2999     graphics->smoothing = mode;
3000
3001     return Ok;
3002 }
3003
3004 GpStatus WINGDIPAPI GdipSetTextContrast(GpGraphics *graphics, UINT contrast)
3005 {
3006     TRACE("(%p, %d)\n", graphics, contrast);
3007
3008     if(!graphics)
3009         return InvalidParameter;
3010
3011     graphics->textcontrast = contrast;
3012
3013     return Ok;
3014 }
3015
3016 GpStatus WINGDIPAPI GdipSetTextRenderingHint(GpGraphics *graphics,
3017     TextRenderingHint hint)
3018 {
3019     TRACE("(%p, %d)\n", graphics, hint);
3020
3021     if(!graphics)
3022         return InvalidParameter;
3023
3024     if(graphics->busy)
3025         return ObjectBusy;
3026
3027     graphics->texthint = hint;
3028
3029     return Ok;
3030 }
3031
3032 GpStatus WINGDIPAPI GdipSetWorldTransform(GpGraphics *graphics, GpMatrix *matrix)
3033 {
3034     TRACE("(%p, %p)\n", graphics, matrix);
3035
3036     if(!graphics || !matrix)
3037         return InvalidParameter;
3038
3039     if(graphics->busy)
3040         return ObjectBusy;
3041
3042     GdipDeleteMatrix(graphics->worldtrans);
3043     return GdipCloneMatrix(matrix, &graphics->worldtrans);
3044 }
3045
3046 GpStatus WINGDIPAPI GdipTranslateWorldTransform(GpGraphics *graphics, REAL dx,
3047     REAL dy, GpMatrixOrder order)
3048 {
3049     TRACE("(%p, %.2f, %.2f, %d)\n", graphics, dx, dy, order);
3050
3051     if(!graphics)
3052         return InvalidParameter;
3053
3054     if(graphics->busy)
3055         return ObjectBusy;
3056
3057     return GdipTranslateMatrix(graphics->worldtrans, dx, dy, order);
3058 }
3059
3060 GpStatus WINGDIPAPI GdipSetClipPath(GpGraphics *graphics, GpPath *path, CombineMode mode)
3061 {
3062     TRACE("(%p, %p, %d)\n", graphics, path, mode);
3063
3064     if(!graphics)
3065         return InvalidParameter;
3066
3067     if(graphics->busy)
3068         return ObjectBusy;
3069
3070     return GdipCombineRegionPath(graphics->clip, path, mode);
3071 }
3072
3073 GpStatus WINGDIPAPI GdipSetClipRect(GpGraphics *graphics, REAL x, REAL y,
3074                                     REAL width, REAL height,
3075                                     CombineMode mode)
3076 {
3077     GpRectF rect;
3078
3079     TRACE("(%p, %.2f, %.2f, %.2f, %.2f, %d)\n", graphics, x, y, width, height, mode);
3080
3081     if(!graphics)
3082         return InvalidParameter;
3083
3084     if(graphics->busy)
3085         return ObjectBusy;
3086
3087     rect.X = x;
3088     rect.Y = y;
3089     rect.Width  = width;
3090     rect.Height = height;
3091
3092     return GdipCombineRegionRect(graphics->clip, &rect, mode);
3093 }
3094
3095 GpStatus WINGDIPAPI GdipSetClipRectI(GpGraphics *graphics, INT x, INT y,
3096                                      INT width, INT height,
3097                                      CombineMode mode)
3098 {
3099     TRACE("(%p, %d, %d, %d, %d, %d)\n", graphics, x, y, width, height, mode);
3100
3101     if(!graphics)
3102         return InvalidParameter;
3103
3104     if(graphics->busy)
3105         return ObjectBusy;
3106
3107     return GdipSetClipRect(graphics, (REAL)x, (REAL)y, (REAL)width, (REAL)height, mode);
3108 }
3109
3110 GpStatus WINGDIPAPI GdipSetClipRegion(GpGraphics *graphics, GpRegion *region,
3111                                       CombineMode mode)
3112 {
3113     TRACE("(%p, %p, %d)\n", graphics, region, mode);
3114
3115     if(!graphics || !region)
3116         return InvalidParameter;
3117
3118     if(graphics->busy)
3119         return ObjectBusy;
3120
3121     return GdipCombineRegionRegion(graphics->clip, region, mode);
3122 }
3123
3124 GpStatus WINGDIPAPI GdipSetMetafileDownLevelRasterizationLimit(GpMetafile *metafile,
3125     UINT limitDpi)
3126 {
3127     static int calls;
3128
3129     if(!(calls++))
3130         FIXME("not implemented\n");
3131
3132     return NotImplemented;
3133 }
3134
3135 GpStatus WINGDIPAPI GdipDrawPolygon(GpGraphics *graphics,GpPen *pen,GDIPCONST GpPointF *points,
3136     INT count)
3137 {
3138     INT save_state;
3139     POINT *pti;
3140
3141     TRACE("(%p, %p, %d)\n", graphics, points, count);
3142
3143     if(!graphics || !pen || count<=0)
3144         return InvalidParameter;
3145
3146     if(graphics->busy)
3147         return ObjectBusy;
3148
3149     pti = GdipAlloc(sizeof(POINT) * count);
3150
3151     save_state = prepare_dc(graphics, pen);
3152     SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
3153
3154     transform_and_round_points(graphics, pti, (GpPointF*)points, count);
3155     Polygon(graphics->hdc, pti, count);
3156
3157     restore_dc(graphics, save_state);
3158     GdipFree(pti);
3159
3160     return Ok;
3161 }
3162
3163 GpStatus WINGDIPAPI GdipDrawPolygonI(GpGraphics *graphics,GpPen *pen,GDIPCONST GpPoint *points,
3164     INT count)
3165 {
3166     GpStatus ret;
3167     GpPointF *ptf;
3168     INT i;
3169
3170     TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
3171
3172     if(count<=0)    return InvalidParameter;
3173     ptf = GdipAlloc(sizeof(GpPointF) * count);
3174
3175     for(i = 0;i < count; i++){
3176         ptf[i].X = (REAL)points[i].X;
3177         ptf[i].Y = (REAL)points[i].Y;
3178     }
3179
3180     ret = GdipDrawPolygon(graphics,pen,ptf,count);
3181     GdipFree(ptf);
3182
3183     return ret;
3184 }
3185
3186 GpStatus WINGDIPAPI GdipGetDpiX(GpGraphics *graphics, REAL* dpi)
3187 {
3188     TRACE("(%p, %p)\n", graphics, dpi);
3189
3190     if(!graphics || !dpi)
3191         return InvalidParameter;
3192
3193     if(graphics->busy)
3194         return ObjectBusy;
3195
3196     *dpi = (REAL)GetDeviceCaps(graphics->hdc, LOGPIXELSX);
3197
3198     return Ok;
3199 }
3200
3201 GpStatus WINGDIPAPI GdipGetDpiY(GpGraphics *graphics, REAL* dpi)
3202 {
3203     TRACE("(%p, %p)\n", graphics, dpi);
3204
3205     if(!graphics || !dpi)
3206         return InvalidParameter;
3207
3208     if(graphics->busy)
3209         return ObjectBusy;
3210
3211     *dpi = (REAL)GetDeviceCaps(graphics->hdc, LOGPIXELSY);
3212
3213     return Ok;
3214 }
3215
3216 GpStatus WINGDIPAPI GdipMultiplyWorldTransform(GpGraphics *graphics, GDIPCONST GpMatrix *matrix,
3217     GpMatrixOrder order)
3218 {
3219     GpMatrix m;
3220     GpStatus ret;
3221
3222     TRACE("(%p, %p, %d)\n", graphics, matrix, order);
3223
3224     if(!graphics || !matrix)
3225         return InvalidParameter;
3226
3227     if(graphics->busy)
3228         return ObjectBusy;
3229
3230     m = *(graphics->worldtrans);
3231
3232     ret = GdipMultiplyMatrix(&m, (GpMatrix*)matrix, order);
3233     if(ret == Ok)
3234         *(graphics->worldtrans) = m;
3235
3236     return ret;
3237 }
3238
3239 GpStatus WINGDIPAPI GdipGetDC(GpGraphics *graphics, HDC *hdc)
3240 {
3241     TRACE("(%p, %p)\n", graphics, hdc);
3242
3243     if(!graphics || !hdc)
3244         return InvalidParameter;
3245
3246     if(graphics->busy)
3247         return ObjectBusy;
3248
3249     *hdc = graphics->hdc;
3250     graphics->busy = TRUE;
3251
3252     return Ok;
3253 }
3254
3255 GpStatus WINGDIPAPI GdipReleaseDC(GpGraphics *graphics, HDC hdc)
3256 {
3257     TRACE("(%p, %p)\n", graphics, hdc);
3258
3259     if(!graphics)
3260         return InvalidParameter;
3261
3262     if(graphics->hdc != hdc || !(graphics->busy))
3263         return InvalidParameter;
3264
3265     graphics->busy = FALSE;
3266
3267     return Ok;
3268 }
3269
3270 GpStatus WINGDIPAPI GdipGetClip(GpGraphics *graphics, GpRegion *region)
3271 {
3272     GpRegion *clip;
3273     GpStatus status;
3274
3275     TRACE("(%p, %p)\n", graphics, region);
3276
3277     if(!graphics || !region)
3278         return InvalidParameter;
3279
3280     if(graphics->busy)
3281         return ObjectBusy;
3282
3283     if((status = GdipCloneRegion(graphics->clip, &clip)) != Ok)
3284         return status;
3285
3286     /* free everything except root node and header */
3287     delete_element(&region->node);
3288     memcpy(region, clip, sizeof(GpRegion));
3289
3290     return Ok;
3291 }
3292
3293 GpStatus WINGDIPAPI GdipTransformPoints(GpGraphics *graphics, GpCoordinateSpace dst_space,
3294                                         GpCoordinateSpace src_space, GpPointF *points, INT count)
3295 {
3296     if(!graphics || !points || count <= 0)
3297         return InvalidParameter;
3298
3299     if(graphics->busy)
3300         return ObjectBusy;
3301
3302     FIXME("(%p, %d, %d, %p, %d): stub\n", graphics, dst_space, src_space, points, count);
3303
3304     return NotImplemented;
3305 }
3306
3307 GpStatus WINGDIPAPI GdipTransformPointsI(GpGraphics *graphics, GpCoordinateSpace dst_space,
3308                                          GpCoordinateSpace src_space, GpPoint *points, INT count)
3309 {
3310     FIXME("(%p, %d, %d, %p, %d): stub\n", graphics, dst_space, src_space, points, count);
3311
3312     return NotImplemented;
3313 }
3314
3315 HPALETTE WINGDIPAPI GdipCreateHalftonePalette(void)
3316 {
3317     FIXME("\n");
3318
3319     return NULL;
3320 }