gdiplus: Don't use gdi32 to draw to bitmaps with formats it can't handle.
[wine/multimedia.git] / dlls / gdiplus / graphics.c
blobc5242e41ea150b292624979aa2631e4cc8749787
1 /*
2 * Copyright (C) 2007 Google (Evan Stade)
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.
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.
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
19 #include <stdarg.h>
20 #include <math.h>
21 #include <limits.h>
23 #include "windef.h"
24 #include "winbase.h"
25 #include "winuser.h"
26 #include "wingdi.h"
27 #include "wine/unicode.h"
29 #define COBJMACROS
30 #include "objbase.h"
31 #include "ocidl.h"
32 #include "olectl.h"
33 #include "ole2.h"
35 #include "winreg.h"
36 #include "shlwapi.h"
38 #include "gdiplus.h"
39 #include "gdiplus_private.h"
40 #include "wine/debug.h"
41 #include "wine/list.h"
43 WINE_DEFAULT_DEBUG_CHANNEL(gdiplus);
45 /* looks-right constants */
46 #define ANCHOR_WIDTH (2.0)
47 #define MAX_ITERS (50)
49 /* Converts angle (in degrees) to x/y coordinates */
50 static void deg2xy(REAL angle, REAL x_0, REAL y_0, REAL *x, REAL *y)
52 REAL radAngle, hypotenuse;
54 radAngle = deg2rad(angle);
55 hypotenuse = 50.0; /* arbitrary */
57 *x = x_0 + cos(radAngle) * hypotenuse;
58 *y = y_0 + sin(radAngle) * hypotenuse;
61 /* Converts from gdiplus path point type to gdi path point type. */
62 static BYTE convert_path_point_type(BYTE type)
64 BYTE ret;
66 switch(type & PathPointTypePathTypeMask){
67 case PathPointTypeBezier:
68 ret = PT_BEZIERTO;
69 break;
70 case PathPointTypeLine:
71 ret = PT_LINETO;
72 break;
73 case PathPointTypeStart:
74 ret = PT_MOVETO;
75 break;
76 default:
77 ERR("Bad point type\n");
78 return 0;
81 if(type & PathPointTypeCloseSubpath)
82 ret |= PT_CLOSEFIGURE;
84 return ret;
87 static INT prepare_dc(GpGraphics *graphics, GpPen *pen)
89 HPEN gdipen;
90 REAL width;
91 INT save_state = SaveDC(graphics->hdc), i, numdashes;
92 GpPointF pt[2];
93 DWORD dash_array[MAX_DASHLEN];
95 EndPath(graphics->hdc);
97 if(pen->unit == UnitPixel){
98 width = pen->width;
100 else{
101 /* Get an estimate for the amount the pen width is affected by the world
102 * transform. (This is similar to what some of the wine drivers do.) */
103 pt[0].X = 0.0;
104 pt[0].Y = 0.0;
105 pt[1].X = 1.0;
106 pt[1].Y = 1.0;
107 GdipTransformMatrixPoints(graphics->worldtrans, pt, 2);
108 width = sqrt((pt[1].X - pt[0].X) * (pt[1].X - pt[0].X) +
109 (pt[1].Y - pt[0].Y) * (pt[1].Y - pt[0].Y)) / sqrt(2.0);
111 width *= pen->width * convert_unit(graphics->hdc,
112 pen->unit == UnitWorld ? graphics->unit : pen->unit);
115 if(pen->dash == DashStyleCustom){
116 numdashes = min(pen->numdashes, MAX_DASHLEN);
118 TRACE("dashes are: ");
119 for(i = 0; i < numdashes; i++){
120 dash_array[i] = roundr(width * pen->dashes[i]);
121 TRACE("%d, ", dash_array[i]);
123 TRACE("\n and the pen style is %x\n", pen->style);
125 gdipen = ExtCreatePen(pen->style, roundr(width), &pen->brush->lb,
126 numdashes, dash_array);
128 else
129 gdipen = ExtCreatePen(pen->style, roundr(width), &pen->brush->lb, 0, NULL);
131 SelectObject(graphics->hdc, gdipen);
133 return save_state;
136 static void restore_dc(GpGraphics *graphics, INT state)
138 DeleteObject(SelectObject(graphics->hdc, GetStockObject(NULL_PEN)));
139 RestoreDC(graphics->hdc, state);
142 /* This helper applies all the changes that the points listed in ptf need in
143 * order to be drawn on the device context. In the end, this should include at
144 * least:
145 * -scaling by page unit
146 * -applying world transformation
147 * -converting from float to int
148 * Native gdiplus uses gdi32 to do all this (via SetMapMode, SetViewportExtEx,
149 * SetWindowExtEx, SetWorldTransform, etc.) but we cannot because we are using
150 * gdi to draw, and these functions would irreparably mess with line widths.
152 static void transform_and_round_points(GpGraphics *graphics, POINT *pti,
153 GpPointF *ptf, INT count)
155 REAL unitscale;
156 GpMatrix *matrix;
157 int i;
159 unitscale = convert_unit(graphics->hdc, graphics->unit);
161 /* apply page scale */
162 if(graphics->unit != UnitDisplay)
163 unitscale *= graphics->scale;
165 GdipCloneMatrix(graphics->worldtrans, &matrix);
166 GdipScaleMatrix(matrix, unitscale, unitscale, MatrixOrderAppend);
167 GdipTransformMatrixPoints(matrix, ptf, count);
168 GdipDeleteMatrix(matrix);
170 for(i = 0; i < count; i++){
171 pti[i].x = roundr(ptf[i].X);
172 pti[i].y = roundr(ptf[i].Y);
176 static ARGB blend_colors(ARGB start, ARGB end, REAL position)
178 ARGB result=0;
179 ARGB i;
180 for (i=0xff; i<=0xff0000; i = i << 8)
181 result |= (int)((start&i)*(1.0f - position)+(end&i)*(position))&i;
182 return result;
185 static ARGB blend_line_gradient(GpLineGradient* brush, REAL position)
187 REAL blendfac;
189 /* clamp to between 0.0 and 1.0, using the wrap mode */
190 if (brush->wrap == WrapModeTile)
192 position = fmodf(position, 1.0f);
193 if (position < 0.0f) position += 1.0f;
195 else /* WrapModeFlip* */
197 position = fmodf(position, 2.0f);
198 if (position < 0.0f) position += 2.0f;
199 if (position > 1.0f) position = 2.0f - position;
202 if (brush->blendcount == 1)
203 blendfac = position;
204 else
206 int i=1;
207 REAL left_blendpos, left_blendfac, right_blendpos, right_blendfac;
208 REAL range;
210 /* locate the blend positions surrounding this position */
211 while (position > brush->blendpos[i])
212 i++;
214 /* interpolate between the blend positions */
215 left_blendpos = brush->blendpos[i-1];
216 left_blendfac = brush->blendfac[i-1];
217 right_blendpos = brush->blendpos[i];
218 right_blendfac = brush->blendfac[i];
219 range = right_blendpos - left_blendpos;
220 blendfac = (left_blendfac * (right_blendpos - position) +
221 right_blendfac * (position - left_blendpos)) / range;
224 if (brush->pblendcount == 0)
225 return blend_colors(brush->startcolor, brush->endcolor, blendfac);
226 else
228 int i=1;
229 ARGB left_blendcolor, right_blendcolor;
230 REAL left_blendpos, right_blendpos;
232 /* locate the blend colors surrounding this position */
233 while (blendfac > brush->pblendpos[i])
234 i++;
236 /* interpolate between the blend colors */
237 left_blendpos = brush->pblendpos[i-1];
238 left_blendcolor = brush->pblendcolor[i-1];
239 right_blendpos = brush->pblendpos[i];
240 right_blendcolor = brush->pblendcolor[i];
241 blendfac = (blendfac - left_blendpos) / (right_blendpos - left_blendpos);
242 return blend_colors(left_blendcolor, right_blendcolor, blendfac);
246 static void brush_fill_path(GpGraphics *graphics, GpBrush* brush)
248 switch (brush->bt)
250 case BrushTypeLinearGradient:
252 GpLineGradient *line = (GpLineGradient*)brush;
253 RECT rc;
255 SelectClipPath(graphics->hdc, RGN_AND);
256 if (GetClipBox(graphics->hdc, &rc) != NULLREGION)
258 GpPointF endpointsf[2];
259 POINT endpointsi[2];
260 POINT poly[4];
262 SelectObject(graphics->hdc, GetStockObject(NULL_PEN));
264 endpointsf[0] = line->startpoint;
265 endpointsf[1] = line->endpoint;
266 transform_and_round_points(graphics, endpointsi, endpointsf, 2);
268 if (abs(endpointsi[0].x-endpointsi[1].x) > abs(endpointsi[0].y-endpointsi[1].y))
270 /* vertical-ish gradient */
271 int startx, endx; /* x co-ordinates of endpoints shifted to intersect the top of the visible rectangle */
272 int startbottomx; /* x co-ordinate of start point shifted to intersect the bottom of the visible rectangle */
273 int width;
274 COLORREF col;
275 HBRUSH hbrush, hprevbrush;
276 int leftx, rightx; /* x co-ordinates where the leftmost and rightmost gradient lines hit the top of the visible rectangle */
277 int x;
278 int tilt; /* horizontal distance covered by a gradient line */
280 startx = roundr((rc.top - endpointsf[0].Y) * (endpointsf[1].Y - endpointsf[0].Y) / (endpointsf[0].X - endpointsf[1].X) + endpointsf[0].X);
281 endx = roundr((rc.top - endpointsf[1].Y) * (endpointsf[1].Y - endpointsf[0].Y) / (endpointsf[0].X - endpointsf[1].X) + endpointsf[1].X);
282 width = endx - startx;
283 startbottomx = roundr((rc.bottom - endpointsf[0].Y) * (endpointsf[1].Y - endpointsf[0].Y) / (endpointsf[0].X - endpointsf[1].X) + endpointsf[0].X);
284 tilt = startx - startbottomx;
286 if (startx >= startbottomx)
288 leftx = rc.left;
289 rightx = rc.right + tilt;
291 else
293 leftx = rc.left + tilt;
294 rightx = rc.right;
297 poly[0].y = rc.bottom;
298 poly[1].y = rc.top;
299 poly[2].y = rc.top;
300 poly[3].y = rc.bottom;
302 for (x=leftx; x<=rightx; x++)
304 ARGB argb = blend_line_gradient(line, (x-startx)/(REAL)width);
305 col = ARGB2COLORREF(argb);
306 hbrush = CreateSolidBrush(col);
307 hprevbrush = SelectObject(graphics->hdc, hbrush);
308 poly[0].x = x - tilt - 1;
309 poly[1].x = x - 1;
310 poly[2].x = x;
311 poly[3].x = x - tilt;
312 Polygon(graphics->hdc, poly, 4);
313 SelectObject(graphics->hdc, hprevbrush);
314 DeleteObject(hbrush);
317 else if (endpointsi[0].y != endpointsi[1].y)
319 /* horizontal-ish gradient */
320 int starty, endy; /* y co-ordinates of endpoints shifted to intersect the left of the visible rectangle */
321 int startrighty; /* y co-ordinate of start point shifted to intersect the right of the visible rectangle */
322 int height;
323 COLORREF col;
324 HBRUSH hbrush, hprevbrush;
325 int topy, bottomy; /* y co-ordinates where the topmost and bottommost gradient lines hit the left of the visible rectangle */
326 int y;
327 int tilt; /* vertical distance covered by a gradient line */
329 starty = roundr((rc.left - endpointsf[0].X) * (endpointsf[0].X - endpointsf[1].X) / (endpointsf[1].Y - endpointsf[0].Y) + endpointsf[0].Y);
330 endy = roundr((rc.left - endpointsf[1].X) * (endpointsf[0].X - endpointsf[1].X) / (endpointsf[1].Y - endpointsf[0].Y) + endpointsf[1].Y);
331 height = endy - starty;
332 startrighty = roundr((rc.right - endpointsf[0].X) * (endpointsf[0].X - endpointsf[1].X) / (endpointsf[1].Y - endpointsf[0].Y) + endpointsf[0].Y);
333 tilt = starty - startrighty;
335 if (starty >= startrighty)
337 topy = rc.top;
338 bottomy = rc.bottom + tilt;
340 else
342 topy = rc.top + tilt;
343 bottomy = rc.bottom;
346 poly[0].x = rc.right;
347 poly[1].x = rc.left;
348 poly[2].x = rc.left;
349 poly[3].x = rc.right;
351 for (y=topy; y<=bottomy; y++)
353 ARGB argb = blend_line_gradient(line, (y-starty)/(REAL)height);
354 col = ARGB2COLORREF(argb);
355 hbrush = CreateSolidBrush(col);
356 hprevbrush = SelectObject(graphics->hdc, hbrush);
357 poly[0].y = y - tilt - 1;
358 poly[1].y = y - 1;
359 poly[2].y = y;
360 poly[3].y = y - tilt;
361 Polygon(graphics->hdc, poly, 4);
362 SelectObject(graphics->hdc, hprevbrush);
363 DeleteObject(hbrush);
366 /* else startpoint == endpoint */
368 break;
370 case BrushTypeSolidColor:
372 GpSolidFill *fill = (GpSolidFill*)brush;
373 if (fill->bmp)
375 RECT rc;
376 /* partially transparent fill */
378 SelectClipPath(graphics->hdc, RGN_AND);
379 if (GetClipBox(graphics->hdc, &rc) != NULLREGION)
381 HDC hdc = CreateCompatibleDC(NULL);
382 HBITMAP oldbmp;
383 BLENDFUNCTION bf;
385 if (!hdc) break;
387 oldbmp = SelectObject(hdc, fill->bmp);
389 bf.BlendOp = AC_SRC_OVER;
390 bf.BlendFlags = 0;
391 bf.SourceConstantAlpha = 255;
392 bf.AlphaFormat = AC_SRC_ALPHA;
394 GdiAlphaBlend(graphics->hdc, rc.left, rc.top, rc.right-rc.left, rc.bottom-rc.top, hdc, 0, 0, 1, 1, bf);
396 SelectObject(hdc, oldbmp);
397 DeleteDC(hdc);
400 break;
402 /* else fall through */
404 default:
405 SelectObject(graphics->hdc, brush->gdibrush);
406 FillPath(graphics->hdc);
407 break;
411 /* GdipDrawPie/GdipFillPie helper function */
412 static void draw_pie(GpGraphics *graphics, REAL x, REAL y, REAL width,
413 REAL height, REAL startAngle, REAL sweepAngle)
415 GpPointF ptf[4];
416 POINT pti[4];
418 ptf[0].X = x;
419 ptf[0].Y = y;
420 ptf[1].X = x + width;
421 ptf[1].Y = y + height;
423 deg2xy(startAngle+sweepAngle, x + width / 2.0, y + width / 2.0, &ptf[2].X, &ptf[2].Y);
424 deg2xy(startAngle, x + width / 2.0, y + width / 2.0, &ptf[3].X, &ptf[3].Y);
426 transform_and_round_points(graphics, pti, ptf, 4);
428 Pie(graphics->hdc, pti[0].x, pti[0].y, pti[1].x, pti[1].y, pti[2].x,
429 pti[2].y, pti[3].x, pti[3].y);
432 /* Draws the linecap the specified color and size on the hdc. The linecap is in
433 * direction of the line from x1, y1 to x2, y2 and is anchored on x2, y2. Probably
434 * should not be called on an hdc that has a path you care about. */
435 static void draw_cap(GpGraphics *graphics, COLORREF color, GpLineCap cap, REAL size,
436 const GpCustomLineCap *custom, REAL x1, REAL y1, REAL x2, REAL y2)
438 HGDIOBJ oldbrush = NULL, oldpen = NULL;
439 GpMatrix *matrix = NULL;
440 HBRUSH brush = NULL;
441 HPEN pen = NULL;
442 PointF ptf[4], *custptf = NULL;
443 POINT pt[4], *custpt = NULL;
444 BYTE *tp = NULL;
445 REAL theta, dsmall, dbig, dx, dy = 0.0;
446 INT i, count;
447 LOGBRUSH lb;
448 BOOL customstroke;
450 if((x1 == x2) && (y1 == y2))
451 return;
453 theta = gdiplus_atan2(y2 - y1, x2 - x1);
455 customstroke = (cap == LineCapCustom) && custom && (!custom->fill);
456 if(!customstroke){
457 brush = CreateSolidBrush(color);
458 lb.lbStyle = BS_SOLID;
459 lb.lbColor = color;
460 lb.lbHatch = 0;
461 pen = ExtCreatePen(PS_GEOMETRIC | PS_SOLID | PS_ENDCAP_FLAT |
462 PS_JOIN_MITER, 1, &lb, 0,
463 NULL);
464 oldbrush = SelectObject(graphics->hdc, brush);
465 oldpen = SelectObject(graphics->hdc, pen);
468 switch(cap){
469 case LineCapFlat:
470 break;
471 case LineCapSquare:
472 case LineCapSquareAnchor:
473 case LineCapDiamondAnchor:
474 size = size * (cap & LineCapNoAnchor ? ANCHOR_WIDTH : 1.0) / 2.0;
475 if(cap == LineCapDiamondAnchor){
476 dsmall = cos(theta + M_PI_2) * size;
477 dbig = sin(theta + M_PI_2) * size;
479 else{
480 dsmall = cos(theta + M_PI_4) * size;
481 dbig = sin(theta + M_PI_4) * size;
484 ptf[0].X = x2 - dsmall;
485 ptf[1].X = x2 + dbig;
487 ptf[0].Y = y2 - dbig;
488 ptf[3].Y = y2 + dsmall;
490 ptf[1].Y = y2 - dsmall;
491 ptf[2].Y = y2 + dbig;
493 ptf[3].X = x2 - dbig;
494 ptf[2].X = x2 + dsmall;
496 transform_and_round_points(graphics, pt, ptf, 4);
497 Polygon(graphics->hdc, pt, 4);
499 break;
500 case LineCapArrowAnchor:
501 size = size * 4.0 / sqrt(3.0);
503 dx = cos(M_PI / 6.0 + theta) * size;
504 dy = sin(M_PI / 6.0 + theta) * size;
506 ptf[0].X = x2 - dx;
507 ptf[0].Y = y2 - dy;
509 dx = cos(- M_PI / 6.0 + theta) * size;
510 dy = sin(- M_PI / 6.0 + theta) * size;
512 ptf[1].X = x2 - dx;
513 ptf[1].Y = y2 - dy;
515 ptf[2].X = x2;
516 ptf[2].Y = y2;
518 transform_and_round_points(graphics, pt, ptf, 3);
519 Polygon(graphics->hdc, pt, 3);
521 break;
522 case LineCapRoundAnchor:
523 dx = dy = ANCHOR_WIDTH * size / 2.0;
525 ptf[0].X = x2 - dx;
526 ptf[0].Y = y2 - dy;
527 ptf[1].X = x2 + dx;
528 ptf[1].Y = y2 + dy;
530 transform_and_round_points(graphics, pt, ptf, 2);
531 Ellipse(graphics->hdc, pt[0].x, pt[0].y, pt[1].x, pt[1].y);
533 break;
534 case LineCapTriangle:
535 size = size / 2.0;
536 dx = cos(M_PI_2 + theta) * size;
537 dy = sin(M_PI_2 + theta) * size;
539 ptf[0].X = x2 - dx;
540 ptf[0].Y = y2 - dy;
541 ptf[1].X = x2 + dx;
542 ptf[1].Y = y2 + dy;
544 dx = cos(theta) * size;
545 dy = sin(theta) * size;
547 ptf[2].X = x2 + dx;
548 ptf[2].Y = y2 + dy;
550 transform_and_round_points(graphics, pt, ptf, 3);
551 Polygon(graphics->hdc, pt, 3);
553 break;
554 case LineCapRound:
555 dx = dy = size / 2.0;
557 ptf[0].X = x2 - dx;
558 ptf[0].Y = y2 - dy;
559 ptf[1].X = x2 + dx;
560 ptf[1].Y = y2 + dy;
562 dx = -cos(M_PI_2 + theta) * size;
563 dy = -sin(M_PI_2 + theta) * size;
565 ptf[2].X = x2 - dx;
566 ptf[2].Y = y2 - dy;
567 ptf[3].X = x2 + dx;
568 ptf[3].Y = y2 + dy;
570 transform_and_round_points(graphics, pt, ptf, 4);
571 Pie(graphics->hdc, pt[0].x, pt[0].y, pt[1].x, pt[1].y, pt[2].x,
572 pt[2].y, pt[3].x, pt[3].y);
574 break;
575 case LineCapCustom:
576 if(!custom)
577 break;
579 count = custom->pathdata.Count;
580 custptf = GdipAlloc(count * sizeof(PointF));
581 custpt = GdipAlloc(count * sizeof(POINT));
582 tp = GdipAlloc(count);
584 if(!custptf || !custpt || !tp || (GdipCreateMatrix(&matrix) != Ok))
585 goto custend;
587 memcpy(custptf, custom->pathdata.Points, count * sizeof(PointF));
589 GdipScaleMatrix(matrix, size, size, MatrixOrderAppend);
590 GdipRotateMatrix(matrix, (180.0 / M_PI) * (theta - M_PI_2),
591 MatrixOrderAppend);
592 GdipTranslateMatrix(matrix, x2, y2, MatrixOrderAppend);
593 GdipTransformMatrixPoints(matrix, custptf, count);
595 transform_and_round_points(graphics, custpt, custptf, count);
597 for(i = 0; i < count; i++)
598 tp[i] = convert_path_point_type(custom->pathdata.Types[i]);
600 if(custom->fill){
601 BeginPath(graphics->hdc);
602 PolyDraw(graphics->hdc, custpt, tp, count);
603 EndPath(graphics->hdc);
604 StrokeAndFillPath(graphics->hdc);
606 else
607 PolyDraw(graphics->hdc, custpt, tp, count);
609 custend:
610 GdipFree(custptf);
611 GdipFree(custpt);
612 GdipFree(tp);
613 GdipDeleteMatrix(matrix);
614 break;
615 default:
616 break;
619 if(!customstroke){
620 SelectObject(graphics->hdc, oldbrush);
621 SelectObject(graphics->hdc, oldpen);
622 DeleteObject(brush);
623 DeleteObject(pen);
627 /* Shortens the line by the given percent by changing x2, y2.
628 * If percent is > 1.0 then the line will change direction.
629 * If percent is negative it can lengthen the line. */
630 static void shorten_line_percent(REAL x1, REAL y1, REAL *x2, REAL *y2, REAL percent)
632 REAL dist, theta, dx, dy;
634 if((y1 == *y2) && (x1 == *x2))
635 return;
637 dist = sqrt((*x2 - x1) * (*x2 - x1) + (*y2 - y1) * (*y2 - y1)) * -percent;
638 theta = gdiplus_atan2((*y2 - y1), (*x2 - x1));
639 dx = cos(theta) * dist;
640 dy = sin(theta) * dist;
642 *x2 = *x2 + dx;
643 *y2 = *y2 + dy;
646 /* Shortens the line by the given amount by changing x2, y2.
647 * If the amount is greater than the distance, the line will become length 0.
648 * If the amount is negative, it can lengthen the line. */
649 static void shorten_line_amt(REAL x1, REAL y1, REAL *x2, REAL *y2, REAL amt)
651 REAL dx, dy, percent;
653 dx = *x2 - x1;
654 dy = *y2 - y1;
655 if(dx == 0 && dy == 0)
656 return;
658 percent = amt / sqrt(dx * dx + dy * dy);
659 if(percent >= 1.0){
660 *x2 = x1;
661 *y2 = y1;
662 return;
665 shorten_line_percent(x1, y1, x2, y2, percent);
668 /* Draws lines between the given points, and if caps is true then draws an endcap
669 * at the end of the last line. */
670 static GpStatus draw_polyline(GpGraphics *graphics, GpPen *pen,
671 GDIPCONST GpPointF * pt, INT count, BOOL caps)
673 POINT *pti = NULL;
674 GpPointF *ptcopy = NULL;
675 GpStatus status = GenericError;
677 if(!count)
678 return Ok;
680 pti = GdipAlloc(count * sizeof(POINT));
681 ptcopy = GdipAlloc(count * sizeof(GpPointF));
683 if(!pti || !ptcopy){
684 status = OutOfMemory;
685 goto end;
688 memcpy(ptcopy, pt, count * sizeof(GpPointF));
690 if(caps){
691 if(pen->endcap == LineCapArrowAnchor)
692 shorten_line_amt(ptcopy[count-2].X, ptcopy[count-2].Y,
693 &ptcopy[count-1].X, &ptcopy[count-1].Y, pen->width);
694 else if((pen->endcap == LineCapCustom) && pen->customend)
695 shorten_line_amt(ptcopy[count-2].X, ptcopy[count-2].Y,
696 &ptcopy[count-1].X, &ptcopy[count-1].Y,
697 pen->customend->inset * pen->width);
699 if(pen->startcap == LineCapArrowAnchor)
700 shorten_line_amt(ptcopy[1].X, ptcopy[1].Y,
701 &ptcopy[0].X, &ptcopy[0].Y, pen->width);
702 else if((pen->startcap == LineCapCustom) && pen->customstart)
703 shorten_line_amt(ptcopy[1].X, ptcopy[1].Y,
704 &ptcopy[0].X, &ptcopy[0].Y,
705 pen->customstart->inset * pen->width);
707 draw_cap(graphics, pen->brush->lb.lbColor, pen->endcap, pen->width, pen->customend,
708 pt[count - 2].X, pt[count - 2].Y, pt[count - 1].X, pt[count - 1].Y);
709 draw_cap(graphics, pen->brush->lb.lbColor, pen->startcap, pen->width, pen->customstart,
710 pt[1].X, pt[1].Y, pt[0].X, pt[0].Y);
713 transform_and_round_points(graphics, pti, ptcopy, count);
715 if(Polyline(graphics->hdc, pti, count))
716 status = Ok;
718 end:
719 GdipFree(pti);
720 GdipFree(ptcopy);
722 return status;
725 /* Conducts a linear search to find the bezier points that will back off
726 * the endpoint of the curve by a distance of amt. Linear search works
727 * better than binary in this case because there are multiple solutions,
728 * and binary searches often find a bad one. I don't think this is what
729 * Windows does but short of rendering the bezier without GDI's help it's
730 * the best we can do. If rev then work from the start of the passed points
731 * instead of the end. */
732 static void shorten_bezier_amt(GpPointF * pt, REAL amt, BOOL rev)
734 GpPointF origpt[4];
735 REAL percent = 0.00, dx, dy, origx, origy, diff = -1.0;
736 INT i, first = 0, second = 1, third = 2, fourth = 3;
738 if(rev){
739 first = 3;
740 second = 2;
741 third = 1;
742 fourth = 0;
745 origx = pt[fourth].X;
746 origy = pt[fourth].Y;
747 memcpy(origpt, pt, sizeof(GpPointF) * 4);
749 for(i = 0; (i < MAX_ITERS) && (diff < amt); i++){
750 /* reset bezier points to original values */
751 memcpy(pt, origpt, sizeof(GpPointF) * 4);
752 /* Perform magic on bezier points. Order is important here.*/
753 shorten_line_percent(pt[third].X, pt[third].Y, &pt[fourth].X, &pt[fourth].Y, percent);
754 shorten_line_percent(pt[second].X, pt[second].Y, &pt[third].X, &pt[third].Y, percent);
755 shorten_line_percent(pt[third].X, pt[third].Y, &pt[fourth].X, &pt[fourth].Y, percent);
756 shorten_line_percent(pt[first].X, pt[first].Y, &pt[second].X, &pt[second].Y, percent);
757 shorten_line_percent(pt[second].X, pt[second].Y, &pt[third].X, &pt[third].Y, percent);
758 shorten_line_percent(pt[third].X, pt[third].Y, &pt[fourth].X, &pt[fourth].Y, percent);
760 dx = pt[fourth].X - origx;
761 dy = pt[fourth].Y - origy;
763 diff = sqrt(dx * dx + dy * dy);
764 percent += 0.0005 * amt;
768 /* Draws bezier curves between given points, and if caps is true then draws an
769 * endcap at the end of the last line. */
770 static GpStatus draw_polybezier(GpGraphics *graphics, GpPen *pen,
771 GDIPCONST GpPointF * pt, INT count, BOOL caps)
773 POINT *pti;
774 GpPointF *ptcopy;
775 GpStatus status = GenericError;
777 if(!count)
778 return Ok;
780 pti = GdipAlloc(count * sizeof(POINT));
781 ptcopy = GdipAlloc(count * sizeof(GpPointF));
783 if(!pti || !ptcopy){
784 status = OutOfMemory;
785 goto end;
788 memcpy(ptcopy, pt, count * sizeof(GpPointF));
790 if(caps){
791 if(pen->endcap == LineCapArrowAnchor)
792 shorten_bezier_amt(&ptcopy[count-4], pen->width, FALSE);
793 else if((pen->endcap == LineCapCustom) && pen->customend)
794 shorten_bezier_amt(&ptcopy[count-4], pen->width * pen->customend->inset,
795 FALSE);
797 if(pen->startcap == LineCapArrowAnchor)
798 shorten_bezier_amt(ptcopy, pen->width, TRUE);
799 else if((pen->startcap == LineCapCustom) && pen->customstart)
800 shorten_bezier_amt(ptcopy, pen->width * pen->customstart->inset, TRUE);
802 /* the direction of the line cap is parallel to the direction at the
803 * end of the bezier (which, if it has been shortened, is not the same
804 * as the direction from pt[count-2] to pt[count-1]) */
805 draw_cap(graphics, pen->brush->lb.lbColor, pen->endcap, pen->width, pen->customend,
806 pt[count - 1].X - (ptcopy[count - 1].X - ptcopy[count - 2].X),
807 pt[count - 1].Y - (ptcopy[count - 1].Y - ptcopy[count - 2].Y),
808 pt[count - 1].X, pt[count - 1].Y);
810 draw_cap(graphics, pen->brush->lb.lbColor, pen->startcap, pen->width, pen->customstart,
811 pt[0].X - (ptcopy[0].X - ptcopy[1].X),
812 pt[0].Y - (ptcopy[0].Y - ptcopy[1].Y), pt[0].X, pt[0].Y);
815 transform_and_round_points(graphics, pti, ptcopy, count);
817 PolyBezier(graphics->hdc, pti, count);
819 status = Ok;
821 end:
822 GdipFree(pti);
823 GdipFree(ptcopy);
825 return status;
828 /* Draws a combination of bezier curves and lines between points. */
829 static GpStatus draw_poly(GpGraphics *graphics, GpPen *pen, GDIPCONST GpPointF * pt,
830 GDIPCONST BYTE * types, INT count, BOOL caps)
832 POINT *pti = GdipAlloc(count * sizeof(POINT));
833 BYTE *tp = GdipAlloc(count);
834 GpPointF *ptcopy = GdipAlloc(count * sizeof(GpPointF));
835 INT i, j;
836 GpStatus status = GenericError;
838 if(!count){
839 status = Ok;
840 goto end;
842 if(!pti || !tp || !ptcopy){
843 status = OutOfMemory;
844 goto end;
847 for(i = 1; i < count; i++){
848 if((types[i] & PathPointTypePathTypeMask) == PathPointTypeBezier){
849 if((i + 2 >= count) || !(types[i + 1] & PathPointTypeBezier)
850 || !(types[i + 1] & PathPointTypeBezier)){
851 ERR("Bad bezier points\n");
852 goto end;
854 i += 2;
858 memcpy(ptcopy, pt, count * sizeof(GpPointF));
860 /* If we are drawing caps, go through the points and adjust them accordingly,
861 * and draw the caps. */
862 if(caps){
863 switch(types[count - 1] & PathPointTypePathTypeMask){
864 case PathPointTypeBezier:
865 if(pen->endcap == LineCapArrowAnchor)
866 shorten_bezier_amt(&ptcopy[count - 4], pen->width, FALSE);
867 else if((pen->endcap == LineCapCustom) && pen->customend)
868 shorten_bezier_amt(&ptcopy[count - 4],
869 pen->width * pen->customend->inset, FALSE);
871 draw_cap(graphics, pen->brush->lb.lbColor, pen->endcap, pen->width, pen->customend,
872 pt[count - 1].X - (ptcopy[count - 1].X - ptcopy[count - 2].X),
873 pt[count - 1].Y - (ptcopy[count - 1].Y - ptcopy[count - 2].Y),
874 pt[count - 1].X, pt[count - 1].Y);
876 break;
877 case PathPointTypeLine:
878 if(pen->endcap == LineCapArrowAnchor)
879 shorten_line_amt(ptcopy[count - 2].X, ptcopy[count - 2].Y,
880 &ptcopy[count - 1].X, &ptcopy[count - 1].Y,
881 pen->width);
882 else if((pen->endcap == LineCapCustom) && pen->customend)
883 shorten_line_amt(ptcopy[count - 2].X, ptcopy[count - 2].Y,
884 &ptcopy[count - 1].X, &ptcopy[count - 1].Y,
885 pen->customend->inset * pen->width);
887 draw_cap(graphics, pen->brush->lb.lbColor, pen->endcap, pen->width, pen->customend,
888 pt[count - 2].X, pt[count - 2].Y, pt[count - 1].X,
889 pt[count - 1].Y);
891 break;
892 default:
893 ERR("Bad path last point\n");
894 goto end;
897 /* Find start of points */
898 for(j = 1; j < count && ((types[j] & PathPointTypePathTypeMask)
899 == PathPointTypeStart); j++);
901 switch(types[j] & PathPointTypePathTypeMask){
902 case PathPointTypeBezier:
903 if(pen->startcap == LineCapArrowAnchor)
904 shorten_bezier_amt(&ptcopy[j - 1], pen->width, TRUE);
905 else if((pen->startcap == LineCapCustom) && pen->customstart)
906 shorten_bezier_amt(&ptcopy[j - 1],
907 pen->width * pen->customstart->inset, TRUE);
909 draw_cap(graphics, pen->brush->lb.lbColor, pen->startcap, pen->width, pen->customstart,
910 pt[j - 1].X - (ptcopy[j - 1].X - ptcopy[j].X),
911 pt[j - 1].Y - (ptcopy[j - 1].Y - ptcopy[j].Y),
912 pt[j - 1].X, pt[j - 1].Y);
914 break;
915 case PathPointTypeLine:
916 if(pen->startcap == LineCapArrowAnchor)
917 shorten_line_amt(ptcopy[j].X, ptcopy[j].Y,
918 &ptcopy[j - 1].X, &ptcopy[j - 1].Y,
919 pen->width);
920 else if((pen->startcap == LineCapCustom) && pen->customstart)
921 shorten_line_amt(ptcopy[j].X, ptcopy[j].Y,
922 &ptcopy[j - 1].X, &ptcopy[j - 1].Y,
923 pen->customstart->inset * pen->width);
925 draw_cap(graphics, pen->brush->lb.lbColor, pen->startcap, pen->width, pen->customstart,
926 pt[j].X, pt[j].Y, pt[j - 1].X,
927 pt[j - 1].Y);
929 break;
930 default:
931 ERR("Bad path points\n");
932 goto end;
936 transform_and_round_points(graphics, pti, ptcopy, count);
938 for(i = 0; i < count; i++){
939 tp[i] = convert_path_point_type(types[i]);
942 PolyDraw(graphics->hdc, pti, tp, count);
944 status = Ok;
946 end:
947 GdipFree(pti);
948 GdipFree(ptcopy);
949 GdipFree(tp);
951 return status;
954 GpStatus trace_path(GpGraphics *graphics, GpPath *path)
956 GpStatus result;
958 BeginPath(graphics->hdc);
959 result = draw_poly(graphics, NULL, path->pathdata.Points,
960 path->pathdata.Types, path->pathdata.Count, FALSE);
961 EndPath(graphics->hdc);
962 return result;
965 typedef struct _GraphicsContainerItem {
966 struct list entry;
967 GraphicsContainer contid;
969 SmoothingMode smoothing;
970 CompositingQuality compqual;
971 InterpolationMode interpolation;
972 CompositingMode compmode;
973 TextRenderingHint texthint;
974 REAL scale;
975 GpUnit unit;
976 PixelOffsetMode pixeloffset;
977 UINT textcontrast;
978 GpMatrix* worldtrans;
979 GpRegion* clip;
980 } GraphicsContainerItem;
982 static GpStatus init_container(GraphicsContainerItem** container,
983 GDIPCONST GpGraphics* graphics){
984 GpStatus sts;
986 *container = GdipAlloc(sizeof(GraphicsContainerItem));
987 if(!(*container))
988 return OutOfMemory;
990 (*container)->contid = graphics->contid + 1;
992 (*container)->smoothing = graphics->smoothing;
993 (*container)->compqual = graphics->compqual;
994 (*container)->interpolation = graphics->interpolation;
995 (*container)->compmode = graphics->compmode;
996 (*container)->texthint = graphics->texthint;
997 (*container)->scale = graphics->scale;
998 (*container)->unit = graphics->unit;
999 (*container)->textcontrast = graphics->textcontrast;
1000 (*container)->pixeloffset = graphics->pixeloffset;
1002 sts = GdipCloneMatrix(graphics->worldtrans, &(*container)->worldtrans);
1003 if(sts != Ok){
1004 GdipFree(*container);
1005 *container = NULL;
1006 return sts;
1009 sts = GdipCloneRegion(graphics->clip, &(*container)->clip);
1010 if(sts != Ok){
1011 GdipDeleteMatrix((*container)->worldtrans);
1012 GdipFree(*container);
1013 *container = NULL;
1014 return sts;
1017 return Ok;
1020 static void delete_container(GraphicsContainerItem* container){
1021 GdipDeleteMatrix(container->worldtrans);
1022 GdipDeleteRegion(container->clip);
1023 GdipFree(container);
1026 static GpStatus restore_container(GpGraphics* graphics,
1027 GDIPCONST GraphicsContainerItem* container){
1028 GpStatus sts;
1029 GpMatrix *newTrans;
1030 GpRegion *newClip;
1032 sts = GdipCloneMatrix(container->worldtrans, &newTrans);
1033 if(sts != Ok)
1034 return sts;
1036 sts = GdipCloneRegion(container->clip, &newClip);
1037 if(sts != Ok){
1038 GdipDeleteMatrix(newTrans);
1039 return sts;
1042 GdipDeleteMatrix(graphics->worldtrans);
1043 graphics->worldtrans = newTrans;
1045 GdipDeleteRegion(graphics->clip);
1046 graphics->clip = newClip;
1048 graphics->contid = container->contid - 1;
1050 graphics->smoothing = container->smoothing;
1051 graphics->compqual = container->compqual;
1052 graphics->interpolation = container->interpolation;
1053 graphics->compmode = container->compmode;
1054 graphics->texthint = container->texthint;
1055 graphics->scale = container->scale;
1056 graphics->unit = container->unit;
1057 graphics->textcontrast = container->textcontrast;
1058 graphics->pixeloffset = container->pixeloffset;
1060 return Ok;
1063 static GpStatus get_graphics_bounds(GpGraphics* graphics, GpRectF* rect)
1065 RECT wnd_rect;
1067 if(graphics->hwnd) {
1068 if(!GetClientRect(graphics->hwnd, &wnd_rect))
1069 return GenericError;
1071 rect->X = wnd_rect.left;
1072 rect->Y = wnd_rect.top;
1073 rect->Width = wnd_rect.right - wnd_rect.left;
1074 rect->Height = wnd_rect.bottom - wnd_rect.top;
1075 }else{
1076 rect->X = 0;
1077 rect->Y = 0;
1078 rect->Width = GetDeviceCaps(graphics->hdc, HORZRES);
1079 rect->Height = GetDeviceCaps(graphics->hdc, VERTRES);
1082 return Ok;
1085 /* on success, rgn will contain the region of the graphics object which
1086 * is visible after clipping has been applied */
1087 static GpStatus get_visible_clip_region(GpGraphics *graphics, GpRegion *rgn)
1089 GpStatus stat;
1090 GpRectF rectf;
1091 GpRegion* tmp;
1093 if((stat = get_graphics_bounds(graphics, &rectf)) != Ok)
1094 return stat;
1096 if((stat = GdipCreateRegion(&tmp)) != Ok)
1097 return stat;
1099 if((stat = GdipCombineRegionRect(tmp, &rectf, CombineModeReplace)) != Ok)
1100 goto end;
1102 if((stat = GdipCombineRegionRegion(tmp, graphics->clip, CombineModeIntersect)) != Ok)
1103 goto end;
1105 stat = GdipCombineRegionRegion(rgn, tmp, CombineModeReplace);
1107 end:
1108 GdipDeleteRegion(tmp);
1109 return stat;
1112 GpStatus WINGDIPAPI GdipCreateFromHDC(HDC hdc, GpGraphics **graphics)
1114 TRACE("(%p, %p)\n", hdc, graphics);
1116 return GdipCreateFromHDC2(hdc, NULL, graphics);
1119 GpStatus WINGDIPAPI GdipCreateFromHDC2(HDC hdc, HANDLE hDevice, GpGraphics **graphics)
1121 GpStatus retval;
1123 TRACE("(%p, %p, %p)\n", hdc, hDevice, graphics);
1125 if(hDevice != NULL) {
1126 FIXME("Don't know how to handle parameter hDevice\n");
1127 return NotImplemented;
1130 if(hdc == NULL)
1131 return OutOfMemory;
1133 if(graphics == NULL)
1134 return InvalidParameter;
1136 *graphics = GdipAlloc(sizeof(GpGraphics));
1137 if(!*graphics) return OutOfMemory;
1139 if((retval = GdipCreateMatrix(&(*graphics)->worldtrans)) != Ok){
1140 GdipFree(*graphics);
1141 return retval;
1144 if((retval = GdipCreateRegion(&(*graphics)->clip)) != Ok){
1145 GdipFree((*graphics)->worldtrans);
1146 GdipFree(*graphics);
1147 return retval;
1150 (*graphics)->hdc = hdc;
1151 (*graphics)->hwnd = WindowFromDC(hdc);
1152 (*graphics)->owndc = FALSE;
1153 (*graphics)->smoothing = SmoothingModeDefault;
1154 (*graphics)->compqual = CompositingQualityDefault;
1155 (*graphics)->interpolation = InterpolationModeDefault;
1156 (*graphics)->pixeloffset = PixelOffsetModeDefault;
1157 (*graphics)->compmode = CompositingModeSourceOver;
1158 (*graphics)->unit = UnitDisplay;
1159 (*graphics)->scale = 1.0;
1160 (*graphics)->busy = FALSE;
1161 (*graphics)->textcontrast = 4;
1162 list_init(&(*graphics)->containers);
1163 (*graphics)->contid = 0;
1165 TRACE("<-- %p\n", *graphics);
1167 return Ok;
1170 GpStatus WINGDIPAPI GdipCreateFromHWND(HWND hwnd, GpGraphics **graphics)
1172 GpStatus ret;
1173 HDC hdc;
1175 TRACE("(%p, %p)\n", hwnd, graphics);
1177 hdc = GetDC(hwnd);
1179 if((ret = GdipCreateFromHDC(hdc, graphics)) != Ok)
1181 ReleaseDC(hwnd, hdc);
1182 return ret;
1185 (*graphics)->hwnd = hwnd;
1186 (*graphics)->owndc = TRUE;
1188 return Ok;
1191 /* FIXME: no icm handling */
1192 GpStatus WINGDIPAPI GdipCreateFromHWNDICM(HWND hwnd, GpGraphics **graphics)
1194 TRACE("(%p, %p)\n", hwnd, graphics);
1196 return GdipCreateFromHWND(hwnd, graphics);
1199 GpStatus WINGDIPAPI GdipCreateMetafileFromEmf(HENHMETAFILE hemf, BOOL delete,
1200 GpMetafile **metafile)
1202 static int calls;
1204 TRACE("(%p,%i,%p)\n", hemf, delete, metafile);
1206 if(!hemf || !metafile)
1207 return InvalidParameter;
1209 if(!(calls++))
1210 FIXME("not implemented\n");
1212 return NotImplemented;
1215 GpStatus WINGDIPAPI GdipCreateMetafileFromWmf(HMETAFILE hwmf, BOOL delete,
1216 GDIPCONST WmfPlaceableFileHeader * placeable, GpMetafile **metafile)
1218 IStream *stream = NULL;
1219 UINT read;
1220 BYTE* copy;
1221 HENHMETAFILE hemf;
1222 GpStatus retval = Ok;
1224 TRACE("(%p, %d, %p, %p)\n", hwmf, delete, placeable, metafile);
1226 if(!hwmf || !metafile || !placeable)
1227 return InvalidParameter;
1229 *metafile = NULL;
1230 read = GetMetaFileBitsEx(hwmf, 0, NULL);
1231 if(!read)
1232 return GenericError;
1233 copy = GdipAlloc(read);
1234 GetMetaFileBitsEx(hwmf, read, copy);
1236 hemf = SetWinMetaFileBits(read, copy, NULL, NULL);
1237 GdipFree(copy);
1239 read = GetEnhMetaFileBits(hemf, 0, NULL);
1240 copy = GdipAlloc(read);
1241 GetEnhMetaFileBits(hemf, read, copy);
1242 DeleteEnhMetaFile(hemf);
1244 if(CreateStreamOnHGlobal(copy, TRUE, &stream) != S_OK){
1245 ERR("could not make stream\n");
1246 GdipFree(copy);
1247 retval = GenericError;
1248 goto err;
1251 *metafile = GdipAlloc(sizeof(GpMetafile));
1252 if(!*metafile){
1253 retval = OutOfMemory;
1254 goto err;
1257 if(OleLoadPicture(stream, 0, FALSE, &IID_IPicture,
1258 (LPVOID*) &((*metafile)->image.picture)) != S_OK)
1260 retval = GenericError;
1261 goto err;
1265 (*metafile)->image.type = ImageTypeMetafile;
1266 memcpy(&(*metafile)->image.format, &ImageFormatWMF, sizeof(GUID));
1267 (*metafile)->image.palette_flags = 0;
1268 (*metafile)->image.palette_count = 0;
1269 (*metafile)->image.palette_size = 0;
1270 (*metafile)->image.palette_entries = NULL;
1271 (*metafile)->image.xres = (REAL)placeable->Inch;
1272 (*metafile)->image.yres = (REAL)placeable->Inch;
1273 (*metafile)->bounds.X = ((REAL) placeable->BoundingBox.Left) / ((REAL) placeable->Inch);
1274 (*metafile)->bounds.Y = ((REAL) placeable->BoundingBox.Top) / ((REAL) placeable->Inch);
1275 (*metafile)->bounds.Width = ((REAL) (placeable->BoundingBox.Right
1276 - placeable->BoundingBox.Left)) / ((REAL) placeable->Inch);
1277 (*metafile)->bounds.Height = ((REAL) (placeable->BoundingBox.Bottom
1278 - placeable->BoundingBox.Top)) / ((REAL) placeable->Inch);
1279 (*metafile)->unit = UnitInch;
1281 if(delete)
1282 DeleteMetaFile(hwmf);
1284 TRACE("<-- %p\n", *metafile);
1286 err:
1287 if (retval != Ok)
1288 GdipFree(*metafile);
1289 IStream_Release(stream);
1290 return retval;
1293 GpStatus WINGDIPAPI GdipCreateMetafileFromWmfFile(GDIPCONST WCHAR *file,
1294 GDIPCONST WmfPlaceableFileHeader * placeable, GpMetafile **metafile)
1296 HMETAFILE hmf = GetMetaFileW(file);
1298 TRACE("(%s, %p, %p)\n", debugstr_w(file), placeable, metafile);
1300 if(!hmf) return InvalidParameter;
1302 return GdipCreateMetafileFromWmf(hmf, TRUE, placeable, metafile);
1305 GpStatus WINGDIPAPI GdipCreateMetafileFromFile(GDIPCONST WCHAR *file,
1306 GpMetafile **metafile)
1308 FIXME("(%p, %p): stub\n", file, metafile);
1309 return NotImplemented;
1312 GpStatus WINGDIPAPI GdipCreateMetafileFromStream(IStream *stream,
1313 GpMetafile **metafile)
1315 FIXME("(%p, %p): stub\n", stream, metafile);
1316 return NotImplemented;
1319 GpStatus WINGDIPAPI GdipCreateStreamOnFile(GDIPCONST WCHAR * filename,
1320 UINT access, IStream **stream)
1322 DWORD dwMode;
1323 HRESULT ret;
1325 TRACE("(%s, %u, %p)\n", debugstr_w(filename), access, stream);
1327 if(!stream || !filename)
1328 return InvalidParameter;
1330 if(access & GENERIC_WRITE)
1331 dwMode = STGM_SHARE_DENY_WRITE | STGM_WRITE | STGM_CREATE;
1332 else if(access & GENERIC_READ)
1333 dwMode = STGM_SHARE_DENY_WRITE | STGM_READ | STGM_FAILIFTHERE;
1334 else
1335 return InvalidParameter;
1337 ret = SHCreateStreamOnFileW(filename, dwMode, stream);
1339 return hresult_to_status(ret);
1342 GpStatus WINGDIPAPI GdipDeleteGraphics(GpGraphics *graphics)
1344 GraphicsContainerItem *cont, *next;
1345 TRACE("(%p)\n", graphics);
1347 if(!graphics) return InvalidParameter;
1348 if(graphics->busy) return ObjectBusy;
1350 if(graphics->owndc)
1351 ReleaseDC(graphics->hwnd, graphics->hdc);
1353 LIST_FOR_EACH_ENTRY_SAFE(cont, next, &graphics->containers, GraphicsContainerItem, entry){
1354 list_remove(&cont->entry);
1355 delete_container(cont);
1358 GdipDeleteRegion(graphics->clip);
1359 GdipDeleteMatrix(graphics->worldtrans);
1360 GdipFree(graphics);
1362 return Ok;
1365 GpStatus WINGDIPAPI GdipDrawArc(GpGraphics *graphics, GpPen *pen, REAL x,
1366 REAL y, REAL width, REAL height, REAL startAngle, REAL sweepAngle)
1368 INT save_state, num_pts;
1369 GpPointF points[MAX_ARC_PTS];
1370 GpStatus retval;
1372 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x, y,
1373 width, height, startAngle, sweepAngle);
1375 if(!graphics || !pen || width <= 0 || height <= 0)
1376 return InvalidParameter;
1378 if(graphics->busy)
1379 return ObjectBusy;
1381 num_pts = arc2polybezier(points, x, y, width, height, startAngle, sweepAngle);
1383 save_state = prepare_dc(graphics, pen);
1385 retval = draw_polybezier(graphics, pen, points, num_pts, TRUE);
1387 restore_dc(graphics, save_state);
1389 return retval;
1392 GpStatus WINGDIPAPI GdipDrawArcI(GpGraphics *graphics, GpPen *pen, INT x,
1393 INT y, INT width, INT height, REAL startAngle, REAL sweepAngle)
1395 TRACE("(%p, %p, %d, %d, %d, %d, %.2f, %.2f)\n", graphics, pen, x, y,
1396 width, height, startAngle, sweepAngle);
1398 return GdipDrawArc(graphics,pen,(REAL)x,(REAL)y,(REAL)width,(REAL)height,startAngle,sweepAngle);
1401 GpStatus WINGDIPAPI GdipDrawBezier(GpGraphics *graphics, GpPen *pen, REAL x1,
1402 REAL y1, REAL x2, REAL y2, REAL x3, REAL y3, REAL x4, REAL y4)
1404 INT save_state;
1405 GpPointF pt[4];
1406 GpStatus retval;
1408 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x1, y1,
1409 x2, y2, x3, y3, x4, y4);
1411 if(!graphics || !pen)
1412 return InvalidParameter;
1414 if(graphics->busy)
1415 return ObjectBusy;
1417 pt[0].X = x1;
1418 pt[0].Y = y1;
1419 pt[1].X = x2;
1420 pt[1].Y = y2;
1421 pt[2].X = x3;
1422 pt[2].Y = y3;
1423 pt[3].X = x4;
1424 pt[3].Y = y4;
1426 save_state = prepare_dc(graphics, pen);
1428 retval = draw_polybezier(graphics, pen, pt, 4, TRUE);
1430 restore_dc(graphics, save_state);
1432 return retval;
1435 GpStatus WINGDIPAPI GdipDrawBezierI(GpGraphics *graphics, GpPen *pen, INT x1,
1436 INT y1, INT x2, INT y2, INT x3, INT y3, INT x4, INT y4)
1438 INT save_state;
1439 GpPointF pt[4];
1440 GpStatus retval;
1442 TRACE("(%p, %p, %d, %d, %d, %d, %d, %d, %d, %d)\n", graphics, pen, x1, y1,
1443 x2, y2, x3, y3, x4, y4);
1445 if(!graphics || !pen)
1446 return InvalidParameter;
1448 if(graphics->busy)
1449 return ObjectBusy;
1451 pt[0].X = x1;
1452 pt[0].Y = y1;
1453 pt[1].X = x2;
1454 pt[1].Y = y2;
1455 pt[2].X = x3;
1456 pt[2].Y = y3;
1457 pt[3].X = x4;
1458 pt[3].Y = y4;
1460 save_state = prepare_dc(graphics, pen);
1462 retval = draw_polybezier(graphics, pen, pt, 4, TRUE);
1464 restore_dc(graphics, save_state);
1466 return retval;
1469 GpStatus WINGDIPAPI GdipDrawBeziers(GpGraphics *graphics, GpPen *pen,
1470 GDIPCONST GpPointF *points, INT count)
1472 INT i;
1473 GpStatus ret;
1475 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
1477 if(!graphics || !pen || !points || (count <= 0))
1478 return InvalidParameter;
1480 if(graphics->busy)
1481 return ObjectBusy;
1483 for(i = 0; i < floor(count / 4); i++){
1484 ret = GdipDrawBezier(graphics, pen,
1485 points[4*i].X, points[4*i].Y,
1486 points[4*i + 1].X, points[4*i + 1].Y,
1487 points[4*i + 2].X, points[4*i + 2].Y,
1488 points[4*i + 3].X, points[4*i + 3].Y);
1489 if(ret != Ok)
1490 return ret;
1493 return Ok;
1496 GpStatus WINGDIPAPI GdipDrawBeziersI(GpGraphics *graphics, GpPen *pen,
1497 GDIPCONST GpPoint *points, INT count)
1499 GpPointF *pts;
1500 GpStatus ret;
1501 INT i;
1503 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
1505 if(!graphics || !pen || !points || (count <= 0))
1506 return InvalidParameter;
1508 if(graphics->busy)
1509 return ObjectBusy;
1511 pts = GdipAlloc(sizeof(GpPointF) * count);
1512 if(!pts)
1513 return OutOfMemory;
1515 for(i = 0; i < count; i++){
1516 pts[i].X = (REAL)points[i].X;
1517 pts[i].Y = (REAL)points[i].Y;
1520 ret = GdipDrawBeziers(graphics,pen,pts,count);
1522 GdipFree(pts);
1524 return ret;
1527 GpStatus WINGDIPAPI GdipDrawClosedCurve(GpGraphics *graphics, GpPen *pen,
1528 GDIPCONST GpPointF *points, INT count)
1530 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
1532 return GdipDrawClosedCurve2(graphics, pen, points, count, 1.0);
1535 GpStatus WINGDIPAPI GdipDrawClosedCurveI(GpGraphics *graphics, GpPen *pen,
1536 GDIPCONST GpPoint *points, INT count)
1538 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
1540 return GdipDrawClosedCurve2I(graphics, pen, points, count, 1.0);
1543 GpStatus WINGDIPAPI GdipDrawClosedCurve2(GpGraphics *graphics, GpPen *pen,
1544 GDIPCONST GpPointF *points, INT count, REAL tension)
1546 GpPath *path;
1547 GpStatus stat;
1549 TRACE("(%p, %p, %p, %d, %.2f)\n", graphics, pen, points, count, tension);
1551 if(!graphics || !pen || !points || count <= 0)
1552 return InvalidParameter;
1554 if(graphics->busy)
1555 return ObjectBusy;
1557 if((stat = GdipCreatePath(FillModeAlternate, &path)) != Ok)
1558 return stat;
1560 stat = GdipAddPathClosedCurve2(path, points, count, tension);
1561 if(stat != Ok){
1562 GdipDeletePath(path);
1563 return stat;
1566 stat = GdipDrawPath(graphics, pen, path);
1568 GdipDeletePath(path);
1570 return stat;
1573 GpStatus WINGDIPAPI GdipDrawClosedCurve2I(GpGraphics *graphics, GpPen *pen,
1574 GDIPCONST GpPoint *points, INT count, REAL tension)
1576 GpPointF *ptf;
1577 GpStatus stat;
1578 INT i;
1580 TRACE("(%p, %p, %p, %d, %.2f)\n", graphics, pen, points, count, tension);
1582 if(!points || count <= 0)
1583 return InvalidParameter;
1585 ptf = GdipAlloc(sizeof(GpPointF)*count);
1586 if(!ptf)
1587 return OutOfMemory;
1589 for(i = 0; i < count; i++){
1590 ptf[i].X = (REAL)points[i].X;
1591 ptf[i].Y = (REAL)points[i].Y;
1594 stat = GdipDrawClosedCurve2(graphics, pen, ptf, count, tension);
1596 GdipFree(ptf);
1598 return stat;
1601 GpStatus WINGDIPAPI GdipDrawCurve(GpGraphics *graphics, GpPen *pen,
1602 GDIPCONST GpPointF *points, INT count)
1604 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
1606 return GdipDrawCurve2(graphics,pen,points,count,1.0);
1609 GpStatus WINGDIPAPI GdipDrawCurveI(GpGraphics *graphics, GpPen *pen,
1610 GDIPCONST GpPoint *points, INT count)
1612 GpPointF *pointsF;
1613 GpStatus ret;
1614 INT i;
1616 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
1618 if(!points)
1619 return InvalidParameter;
1621 pointsF = GdipAlloc(sizeof(GpPointF)*count);
1622 if(!pointsF)
1623 return OutOfMemory;
1625 for(i = 0; i < count; i++){
1626 pointsF[i].X = (REAL)points[i].X;
1627 pointsF[i].Y = (REAL)points[i].Y;
1630 ret = GdipDrawCurve(graphics,pen,pointsF,count);
1631 GdipFree(pointsF);
1633 return ret;
1636 /* Approximates cardinal spline with Bezier curves. */
1637 GpStatus WINGDIPAPI GdipDrawCurve2(GpGraphics *graphics, GpPen *pen,
1638 GDIPCONST GpPointF *points, INT count, REAL tension)
1640 /* PolyBezier expects count*3-2 points. */
1641 INT i, len_pt = count*3-2, save_state;
1642 GpPointF *pt;
1643 REAL x1, x2, y1, y2;
1644 GpStatus retval;
1646 TRACE("(%p, %p, %p, %d, %.2f)\n", graphics, pen, points, count, tension);
1648 if(!graphics || !pen)
1649 return InvalidParameter;
1651 if(graphics->busy)
1652 return ObjectBusy;
1654 if(count < 2)
1655 return InvalidParameter;
1657 pt = GdipAlloc(len_pt * sizeof(GpPointF));
1658 if(!pt)
1659 return OutOfMemory;
1661 tension = tension * TENSION_CONST;
1663 calc_curve_bezier_endp(points[0].X, points[0].Y, points[1].X, points[1].Y,
1664 tension, &x1, &y1);
1666 pt[0].X = points[0].X;
1667 pt[0].Y = points[0].Y;
1668 pt[1].X = x1;
1669 pt[1].Y = y1;
1671 for(i = 0; i < count-2; i++){
1672 calc_curve_bezier(&(points[i]), tension, &x1, &y1, &x2, &y2);
1674 pt[3*i+2].X = x1;
1675 pt[3*i+2].Y = y1;
1676 pt[3*i+3].X = points[i+1].X;
1677 pt[3*i+3].Y = points[i+1].Y;
1678 pt[3*i+4].X = x2;
1679 pt[3*i+4].Y = y2;
1682 calc_curve_bezier_endp(points[count-1].X, points[count-1].Y,
1683 points[count-2].X, points[count-2].Y, tension, &x1, &y1);
1685 pt[len_pt-2].X = x1;
1686 pt[len_pt-2].Y = y1;
1687 pt[len_pt-1].X = points[count-1].X;
1688 pt[len_pt-1].Y = points[count-1].Y;
1690 save_state = prepare_dc(graphics, pen);
1692 retval = draw_polybezier(graphics, pen, pt, len_pt, TRUE);
1694 GdipFree(pt);
1695 restore_dc(graphics, save_state);
1697 return retval;
1700 GpStatus WINGDIPAPI GdipDrawCurve2I(GpGraphics *graphics, GpPen *pen,
1701 GDIPCONST GpPoint *points, INT count, REAL tension)
1703 GpPointF *pointsF;
1704 GpStatus ret;
1705 INT i;
1707 TRACE("(%p, %p, %p, %d, %.2f)\n", graphics, pen, points, count, tension);
1709 if(!points)
1710 return InvalidParameter;
1712 pointsF = GdipAlloc(sizeof(GpPointF)*count);
1713 if(!pointsF)
1714 return OutOfMemory;
1716 for(i = 0; i < count; i++){
1717 pointsF[i].X = (REAL)points[i].X;
1718 pointsF[i].Y = (REAL)points[i].Y;
1721 ret = GdipDrawCurve2(graphics,pen,pointsF,count,tension);
1722 GdipFree(pointsF);
1724 return ret;
1727 GpStatus WINGDIPAPI GdipDrawCurve3(GpGraphics *graphics, GpPen *pen,
1728 GDIPCONST GpPointF *points, INT count, INT offset, INT numberOfSegments,
1729 REAL tension)
1731 TRACE("(%p, %p, %p, %d, %d, %d, %.2f)\n", graphics, pen, points, count, offset, numberOfSegments, tension);
1733 if(offset >= count || numberOfSegments > count - offset - 1 || numberOfSegments <= 0){
1734 return InvalidParameter;
1737 return GdipDrawCurve2(graphics, pen, points + offset, numberOfSegments + 1, tension);
1740 GpStatus WINGDIPAPI GdipDrawCurve3I(GpGraphics *graphics, GpPen *pen,
1741 GDIPCONST GpPoint *points, INT count, INT offset, INT numberOfSegments,
1742 REAL tension)
1744 TRACE("(%p, %p, %p, %d, %d, %d, %.2f)\n", graphics, pen, points, count, offset, numberOfSegments, tension);
1746 if(count < 0){
1747 return OutOfMemory;
1750 if(offset >= count || numberOfSegments > count - offset - 1 || numberOfSegments <= 0){
1751 return InvalidParameter;
1754 return GdipDrawCurve2I(graphics, pen, points + offset, numberOfSegments + 1, tension);
1757 GpStatus WINGDIPAPI GdipDrawEllipse(GpGraphics *graphics, GpPen *pen, REAL x,
1758 REAL y, REAL width, REAL height)
1760 INT save_state;
1761 GpPointF ptf[2];
1762 POINT pti[2];
1764 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x, y, width, height);
1766 if(!graphics || !pen)
1767 return InvalidParameter;
1769 if(graphics->busy)
1770 return ObjectBusy;
1772 ptf[0].X = x;
1773 ptf[0].Y = y;
1774 ptf[1].X = x + width;
1775 ptf[1].Y = y + height;
1777 save_state = prepare_dc(graphics, pen);
1778 SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
1780 transform_and_round_points(graphics, pti, ptf, 2);
1782 Ellipse(graphics->hdc, pti[0].x, pti[0].y, pti[1].x, pti[1].y);
1784 restore_dc(graphics, save_state);
1786 return Ok;
1789 GpStatus WINGDIPAPI GdipDrawEllipseI(GpGraphics *graphics, GpPen *pen, INT x,
1790 INT y, INT width, INT height)
1792 TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, pen, x, y, width, height);
1794 return GdipDrawEllipse(graphics,pen,(REAL)x,(REAL)y,(REAL)width,(REAL)height);
1798 GpStatus WINGDIPAPI GdipDrawImage(GpGraphics *graphics, GpImage *image, REAL x, REAL y)
1800 UINT width, height;
1801 GpPointF points[3];
1803 TRACE("(%p, %p, %.2f, %.2f)\n", graphics, image, x, y);
1805 if(!graphics || !image)
1806 return InvalidParameter;
1808 GdipGetImageWidth(image, &width);
1809 GdipGetImageHeight(image, &height);
1811 /* FIXME: we should use the graphics and image dpi, somehow */
1813 points[0].X = points[2].X = x;
1814 points[0].Y = points[1].Y = y;
1815 points[1].X = x + width;
1816 points[2].Y = y + height;
1818 return GdipDrawImagePointsRect(graphics, image, points, 3, 0, 0, width, height,
1819 UnitPixel, NULL, NULL, NULL);
1822 GpStatus WINGDIPAPI GdipDrawImageI(GpGraphics *graphics, GpImage *image, INT x,
1823 INT y)
1825 TRACE("(%p, %p, %d, %d)\n", graphics, image, x, y);
1827 return GdipDrawImage(graphics, image, (REAL)x, (REAL)y);
1830 GpStatus WINGDIPAPI GdipDrawImagePointRect(GpGraphics *graphics, GpImage *image,
1831 REAL x, REAL y, REAL srcx, REAL srcy, REAL srcwidth, REAL srcheight,
1832 GpUnit srcUnit)
1834 GpPointF points[3];
1835 TRACE("(%p, %p, %f, %f, %f, %f, %f, %f, %d)\n", graphics, image, x, y, srcx, srcy, srcwidth, srcheight, srcUnit);
1837 points[0].X = points[2].X = x;
1838 points[0].Y = points[1].Y = y;
1840 /* FIXME: convert image coordinates to Graphics coordinates? */
1841 points[1].X = x + srcwidth;
1842 points[2].Y = y + srcheight;
1844 return GdipDrawImagePointsRect(graphics, image, points, 3, srcx, srcy,
1845 srcwidth, srcheight, srcUnit, NULL, NULL, NULL);
1848 GpStatus WINGDIPAPI GdipDrawImagePointRectI(GpGraphics *graphics, GpImage *image,
1849 INT x, INT y, INT srcx, INT srcy, INT srcwidth, INT srcheight,
1850 GpUnit srcUnit)
1852 return GdipDrawImagePointRect(graphics, image, x, y, srcx, srcy, srcwidth, srcheight, srcUnit);
1855 GpStatus WINGDIPAPI GdipDrawImagePoints(GpGraphics *graphics, GpImage *image,
1856 GDIPCONST GpPointF *dstpoints, INT count)
1858 FIXME("(%p, %p, %p, %d): stub\n", graphics, image, dstpoints, count);
1859 return NotImplemented;
1862 GpStatus WINGDIPAPI GdipDrawImagePointsI(GpGraphics *graphics, GpImage *image,
1863 GDIPCONST GpPoint *dstpoints, INT count)
1865 FIXME("(%p, %p, %p, %d): stub\n", graphics, image, dstpoints, count);
1866 return NotImplemented;
1869 /* FIXME: partially implemented (only works for rectangular parallelograms) */
1870 GpStatus WINGDIPAPI GdipDrawImagePointsRect(GpGraphics *graphics, GpImage *image,
1871 GDIPCONST GpPointF *points, INT count, REAL srcx, REAL srcy, REAL srcwidth,
1872 REAL srcheight, GpUnit srcUnit, GDIPCONST GpImageAttributes* imageAttributes,
1873 DrawImageAbort callback, VOID * callbackData)
1875 GpPointF ptf[4];
1876 POINT pti[4];
1877 REAL dx, dy;
1878 GpStatus stat;
1880 TRACE("(%p, %p, %p, %d, %f, %f, %f, %f, %d, %p, %p, %p)\n", graphics, image, points,
1881 count, srcx, srcy, srcwidth, srcheight, srcUnit, imageAttributes, callback,
1882 callbackData);
1884 if(!graphics || !image || !points || count != 3)
1885 return InvalidParameter;
1887 TRACE("%s %s %s\n", debugstr_pointf(&points[0]), debugstr_pointf(&points[1]),
1888 debugstr_pointf(&points[2]));
1890 memcpy(ptf, points, 3 * sizeof(GpPointF));
1891 ptf[3].X = ptf[2].X + ptf[1].X - ptf[0].X;
1892 ptf[3].Y = ptf[2].Y + ptf[1].Y - ptf[0].Y;
1893 transform_and_round_points(graphics, pti, ptf, 4);
1895 if (image->picture)
1897 if(srcUnit == UnitInch)
1898 dx = dy = (REAL) INCH_HIMETRIC;
1899 else if(srcUnit == UnitPixel){
1900 dx = ((REAL) INCH_HIMETRIC) /
1901 ((REAL) GetDeviceCaps(graphics->hdc, LOGPIXELSX));
1902 dy = ((REAL) INCH_HIMETRIC) /
1903 ((REAL) GetDeviceCaps(graphics->hdc, LOGPIXELSY));
1905 else
1906 return NotImplemented;
1908 if(IPicture_Render(image->picture, graphics->hdc,
1909 pti[0].x, pti[0].y, pti[1].x - pti[0].x, pti[2].y - pti[0].y,
1910 srcx * dx, srcy * dy,
1911 srcwidth * dx, srcheight * dy,
1912 NULL) != S_OK){
1913 if(callback)
1914 callback(callbackData);
1915 return GenericError;
1918 else if (image->type == ImageTypeBitmap && ((GpBitmap*)image)->hbitmap)
1920 GpBitmap* bitmap = (GpBitmap*)image;
1921 int use_software=0;
1923 if (srcUnit == UnitInch)
1924 dx = dy = 96.0; /* FIXME: use the image resolution */
1925 else if (srcUnit == UnitPixel)
1926 dx = dy = 1.0;
1927 else
1928 return NotImplemented;
1930 if (graphics->image && graphics->image->type == ImageTypeBitmap)
1932 GpBitmap *dst_bitmap = (GpBitmap*)graphics->image;
1933 if (!(dst_bitmap->format == PixelFormat16bppRGB555 ||
1934 dst_bitmap->format == PixelFormat24bppRGB ||
1935 dst_bitmap->format == PixelFormat32bppRGB))
1936 use_software = 1;
1939 if (use_software)
1941 RECT src_area, dst_area;
1942 int i, x, y;
1943 GpMatrix *dst_to_src;
1944 REAL m11, m12, m21, m22, mdx, mdy;
1946 src_area.left = srcx*dx;
1947 src_area.top = srcy*dy;
1948 src_area.right = (srcx+srcwidth)*dx;
1949 src_area.bottom = (srcy+srcheight)*dy;
1951 dst_area.left = dst_area.right = pti[0].x;
1952 dst_area.top = dst_area.bottom = pti[0].y;
1953 for (i=1; i<4; i++)
1955 if (dst_area.left > pti[i].x) dst_area.left = pti[i].x;
1956 if (dst_area.right < pti[i].x) dst_area.right = pti[i].x;
1957 if (dst_area.top > pti[i].y) dst_area.top = pti[i].y;
1958 if (dst_area.bottom < pti[i].y) dst_area.bottom = pti[i].y;
1961 m11 = (ptf[1].X - ptf[0].X) / srcwidth;
1962 m12 = (ptf[2].X - ptf[0].X) / srcheight;
1963 mdx = ptf[0].X - m11 * srcx - m12 * srcy;
1964 m21 = (ptf[1].Y - ptf[0].Y) / srcwidth;
1965 m22 = (ptf[2].Y - ptf[0].Y) / srcheight;
1966 mdy = ptf[0].Y - m21 * srcx - m22 * srcy;
1968 stat = GdipCreateMatrix2(m11, m12, m21, m22, mdx, mdy, &dst_to_src);
1969 if (stat != Ok) return stat;
1971 stat = GdipInvertMatrix(dst_to_src);
1972 if (stat != Ok)
1974 GdipDeleteMatrix(dst_to_src);
1975 return stat;
1978 for (x=dst_area.left; x<dst_area.right; x++)
1980 for (y=dst_area.top; y<dst_area.bottom; y++)
1982 GpPointF src_pointf;
1983 int src_x, src_y;
1984 ARGB src_color, dst_color;
1986 src_pointf.X = x;
1987 src_pointf.Y = y;
1989 GdipTransformMatrixPoints(dst_to_src, &src_pointf, 1);
1991 src_x = roundr(src_pointf.X);
1992 src_y = roundr(src_pointf.Y);
1994 if (src_x < src_area.left || src_x >= src_area.right ||
1995 src_y < src_area.top || src_y >= src_area.bottom)
1996 /* FIXME: Use wrapmode */
1997 continue;
1999 GdipBitmapGetPixel(bitmap, src_x, src_y, &src_color);
2000 GdipBitmapGetPixel((GpBitmap*)graphics->image, x, y, &dst_color);
2001 GdipBitmapSetPixel((GpBitmap*)graphics->image, x, y, color_over(dst_color, src_color));
2005 GdipDeleteMatrix(dst_to_src);
2007 else
2009 HDC hdc;
2010 int temp_hdc=0, temp_bitmap=0;
2011 HBITMAP hbitmap, old_hbm=NULL;
2013 if (!(bitmap->format == PixelFormat16bppRGB555 ||
2014 bitmap->format == PixelFormat24bppRGB ||
2015 bitmap->format == PixelFormat32bppRGB ||
2016 bitmap->format == PixelFormat32bppPARGB))
2018 BITMAPINFOHEADER bih;
2019 BYTE *temp_bits;
2020 PixelFormat dst_format;
2022 /* we can't draw a bitmap of this format directly */
2023 hdc = CreateCompatibleDC(0);
2024 temp_hdc = 1;
2025 temp_bitmap = 1;
2027 bih.biSize = sizeof(BITMAPINFOHEADER);
2028 bih.biWidth = bitmap->width;
2029 bih.biHeight = -bitmap->height;
2030 bih.biPlanes = 1;
2031 bih.biBitCount = 32;
2032 bih.biCompression = BI_RGB;
2033 bih.biSizeImage = 0;
2034 bih.biXPelsPerMeter = 0;
2035 bih.biYPelsPerMeter = 0;
2036 bih.biClrUsed = 0;
2037 bih.biClrImportant = 0;
2039 hbitmap = CreateDIBSection(hdc, (BITMAPINFO*)&bih, DIB_RGB_COLORS,
2040 (void**)&temp_bits, NULL, 0);
2042 if (bitmap->format & (PixelFormatAlpha|PixelFormatPAlpha))
2043 dst_format = PixelFormat32bppPARGB;
2044 else
2045 dst_format = PixelFormat32bppRGB;
2047 convert_pixels(bitmap->width, bitmap->height,
2048 bitmap->width*4, temp_bits, dst_format,
2049 bitmap->stride, bitmap->bits, bitmap->format, bitmap->image.palette_entries);
2051 else
2053 hbitmap = bitmap->hbitmap;
2054 hdc = bitmap->hdc;
2055 temp_hdc = (hdc == 0);
2058 if (temp_hdc)
2060 if (!hdc) hdc = CreateCompatibleDC(0);
2061 old_hbm = SelectObject(hdc, hbitmap);
2064 if (bitmap->format & (PixelFormatAlpha|PixelFormatPAlpha))
2066 BLENDFUNCTION bf;
2068 bf.BlendOp = AC_SRC_OVER;
2069 bf.BlendFlags = 0;
2070 bf.SourceConstantAlpha = 255;
2071 bf.AlphaFormat = AC_SRC_ALPHA;
2073 GdiAlphaBlend(graphics->hdc, pti[0].x, pti[0].y, pti[1].x-pti[0].x, pti[2].y-pti[0].y,
2074 hdc, srcx*dx, srcy*dy, srcwidth*dx, srcheight*dy, bf);
2076 else
2078 StretchBlt(graphics->hdc, pti[0].x, pti[0].y, pti[1].x-pti[0].x, pti[2].y-pti[0].y,
2079 hdc, srcx*dx, srcy*dy, srcwidth*dx, srcheight*dy, SRCCOPY);
2082 if (temp_hdc)
2084 SelectObject(hdc, old_hbm);
2085 DeleteDC(hdc);
2088 if (temp_bitmap)
2089 DeleteObject(hbitmap);
2092 else
2094 ERR("GpImage with no IPicture or HBITMAP?!\n");
2095 return NotImplemented;
2098 return Ok;
2101 GpStatus WINGDIPAPI GdipDrawImagePointsRectI(GpGraphics *graphics, GpImage *image,
2102 GDIPCONST GpPoint *points, INT count, INT srcx, INT srcy, INT srcwidth,
2103 INT srcheight, GpUnit srcUnit, GDIPCONST GpImageAttributes* imageAttributes,
2104 DrawImageAbort callback, VOID * callbackData)
2106 GpPointF pointsF[3];
2107 INT i;
2109 TRACE("(%p, %p, %p, %d, %d, %d, %d, %d, %d, %p, %p, %p)\n", graphics, image, points, count,
2110 srcx, srcy, srcwidth, srcheight, srcUnit, imageAttributes, callback,
2111 callbackData);
2113 if(!points || count!=3)
2114 return InvalidParameter;
2116 for(i = 0; i < count; i++){
2117 pointsF[i].X = (REAL)points[i].X;
2118 pointsF[i].Y = (REAL)points[i].Y;
2121 return GdipDrawImagePointsRect(graphics, image, pointsF, count, (REAL)srcx, (REAL)srcy,
2122 (REAL)srcwidth, (REAL)srcheight, srcUnit, imageAttributes,
2123 callback, callbackData);
2126 GpStatus WINGDIPAPI GdipDrawImageRectRect(GpGraphics *graphics, GpImage *image,
2127 REAL dstx, REAL dsty, REAL dstwidth, REAL dstheight, REAL srcx, REAL srcy,
2128 REAL srcwidth, REAL srcheight, GpUnit srcUnit,
2129 GDIPCONST GpImageAttributes* imageattr, DrawImageAbort callback,
2130 VOID * callbackData)
2132 GpPointF points[3];
2134 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %d, %p, %p, %p)\n",
2135 graphics, image, dstx, dsty, dstwidth, dstheight, srcx, srcy,
2136 srcwidth, srcheight, srcUnit, imageattr, callback, callbackData);
2138 points[0].X = dstx;
2139 points[0].Y = dsty;
2140 points[1].X = dstx + dstwidth;
2141 points[1].Y = dsty;
2142 points[2].X = dstx;
2143 points[2].Y = dsty + dstheight;
2145 return GdipDrawImagePointsRect(graphics, image, points, 3, srcx, srcy,
2146 srcwidth, srcheight, srcUnit, imageattr, callback, callbackData);
2149 GpStatus WINGDIPAPI GdipDrawImageRectRectI(GpGraphics *graphics, GpImage *image,
2150 INT dstx, INT dsty, INT dstwidth, INT dstheight, INT srcx, INT srcy,
2151 INT srcwidth, INT srcheight, GpUnit srcUnit,
2152 GDIPCONST GpImageAttributes* imageAttributes, DrawImageAbort callback,
2153 VOID * callbackData)
2155 GpPointF points[3];
2157 TRACE("(%p, %p, %d, %d, %d, %d, %d, %d, %d, %d, %d, %p, %p, %p)\n",
2158 graphics, image, dstx, dsty, dstwidth, dstheight, srcx, srcy,
2159 srcwidth, srcheight, srcUnit, imageAttributes, callback, callbackData);
2161 points[0].X = dstx;
2162 points[0].Y = dsty;
2163 points[1].X = dstx + dstwidth;
2164 points[1].Y = dsty;
2165 points[2].X = dstx;
2166 points[2].Y = dsty + dstheight;
2168 return GdipDrawImagePointsRect(graphics, image, points, 3, srcx, srcy,
2169 srcwidth, srcheight, srcUnit, imageAttributes, callback, callbackData);
2172 GpStatus WINGDIPAPI GdipDrawImageRect(GpGraphics *graphics, GpImage *image,
2173 REAL x, REAL y, REAL width, REAL height)
2175 RectF bounds;
2176 GpUnit unit;
2177 GpStatus ret;
2179 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, image, x, y, width, height);
2181 if(!graphics || !image)
2182 return InvalidParameter;
2184 ret = GdipGetImageBounds(image, &bounds, &unit);
2185 if(ret != Ok)
2186 return ret;
2188 return GdipDrawImageRectRect(graphics, image, x, y, width, height,
2189 bounds.X, bounds.Y, bounds.Width, bounds.Height,
2190 unit, NULL, NULL, NULL);
2193 GpStatus WINGDIPAPI GdipDrawImageRectI(GpGraphics *graphics, GpImage *image,
2194 INT x, INT y, INT width, INT height)
2196 TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, image, x, y, width, height);
2198 return GdipDrawImageRect(graphics, image, (REAL)x, (REAL)y, (REAL)width, (REAL)height);
2201 GpStatus WINGDIPAPI GdipDrawLine(GpGraphics *graphics, GpPen *pen, REAL x1,
2202 REAL y1, REAL x2, REAL y2)
2204 INT save_state;
2205 GpPointF pt[2];
2206 GpStatus retval;
2208 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x1, y1, x2, y2);
2210 if(!pen || !graphics)
2211 return InvalidParameter;
2213 if(graphics->busy)
2214 return ObjectBusy;
2216 pt[0].X = x1;
2217 pt[0].Y = y1;
2218 pt[1].X = x2;
2219 pt[1].Y = y2;
2221 save_state = prepare_dc(graphics, pen);
2223 retval = draw_polyline(graphics, pen, pt, 2, TRUE);
2225 restore_dc(graphics, save_state);
2227 return retval;
2230 GpStatus WINGDIPAPI GdipDrawLineI(GpGraphics *graphics, GpPen *pen, INT x1,
2231 INT y1, INT x2, INT y2)
2233 INT save_state;
2234 GpPointF pt[2];
2235 GpStatus retval;
2237 TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, pen, x1, y1, x2, y2);
2239 if(!pen || !graphics)
2240 return InvalidParameter;
2242 if(graphics->busy)
2243 return ObjectBusy;
2245 pt[0].X = (REAL)x1;
2246 pt[0].Y = (REAL)y1;
2247 pt[1].X = (REAL)x2;
2248 pt[1].Y = (REAL)y2;
2250 save_state = prepare_dc(graphics, pen);
2252 retval = draw_polyline(graphics, pen, pt, 2, TRUE);
2254 restore_dc(graphics, save_state);
2256 return retval;
2259 GpStatus WINGDIPAPI GdipDrawLines(GpGraphics *graphics, GpPen *pen, GDIPCONST
2260 GpPointF *points, INT count)
2262 INT save_state;
2263 GpStatus retval;
2265 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
2267 if(!pen || !graphics || (count < 2))
2268 return InvalidParameter;
2270 if(graphics->busy)
2271 return ObjectBusy;
2273 save_state = prepare_dc(graphics, pen);
2275 retval = draw_polyline(graphics, pen, points, count, TRUE);
2277 restore_dc(graphics, save_state);
2279 return retval;
2282 GpStatus WINGDIPAPI GdipDrawLinesI(GpGraphics *graphics, GpPen *pen, GDIPCONST
2283 GpPoint *points, INT count)
2285 INT save_state;
2286 GpStatus retval;
2287 GpPointF *ptf = NULL;
2288 int i;
2290 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
2292 if(!pen || !graphics || (count < 2))
2293 return InvalidParameter;
2295 if(graphics->busy)
2296 return ObjectBusy;
2298 ptf = GdipAlloc(count * sizeof(GpPointF));
2299 if(!ptf) return OutOfMemory;
2301 for(i = 0; i < count; i ++){
2302 ptf[i].X = (REAL) points[i].X;
2303 ptf[i].Y = (REAL) points[i].Y;
2306 save_state = prepare_dc(graphics, pen);
2308 retval = draw_polyline(graphics, pen, ptf, count, TRUE);
2310 restore_dc(graphics, save_state);
2312 GdipFree(ptf);
2313 return retval;
2316 GpStatus WINGDIPAPI GdipDrawPath(GpGraphics *graphics, GpPen *pen, GpPath *path)
2318 INT save_state;
2319 GpStatus retval;
2321 TRACE("(%p, %p, %p)\n", graphics, pen, path);
2323 if(!pen || !graphics)
2324 return InvalidParameter;
2326 if(graphics->busy)
2327 return ObjectBusy;
2329 save_state = prepare_dc(graphics, pen);
2331 retval = draw_poly(graphics, pen, path->pathdata.Points,
2332 path->pathdata.Types, path->pathdata.Count, TRUE);
2334 restore_dc(graphics, save_state);
2336 return retval;
2339 GpStatus WINGDIPAPI GdipDrawPie(GpGraphics *graphics, GpPen *pen, REAL x,
2340 REAL y, REAL width, REAL height, REAL startAngle, REAL sweepAngle)
2342 INT save_state;
2344 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x, y,
2345 width, height, startAngle, sweepAngle);
2347 if(!graphics || !pen)
2348 return InvalidParameter;
2350 if(graphics->busy)
2351 return ObjectBusy;
2353 save_state = prepare_dc(graphics, pen);
2354 SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
2356 draw_pie(graphics, x, y, width, height, startAngle, sweepAngle);
2358 restore_dc(graphics, save_state);
2360 return Ok;
2363 GpStatus WINGDIPAPI GdipDrawPieI(GpGraphics *graphics, GpPen *pen, INT x,
2364 INT y, INT width, INT height, REAL startAngle, REAL sweepAngle)
2366 TRACE("(%p, %p, %d, %d, %d, %d, %.2f, %.2f)\n", graphics, pen, x, y,
2367 width, height, startAngle, sweepAngle);
2369 return GdipDrawPie(graphics,pen,(REAL)x,(REAL)y,(REAL)width,(REAL)height,startAngle,sweepAngle);
2372 GpStatus WINGDIPAPI GdipDrawRectangle(GpGraphics *graphics, GpPen *pen, REAL x,
2373 REAL y, REAL width, REAL height)
2375 INT save_state;
2376 GpPointF ptf[4];
2377 POINT pti[4];
2379 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x, y, width, height);
2381 if(!pen || !graphics)
2382 return InvalidParameter;
2384 if(graphics->busy)
2385 return ObjectBusy;
2387 ptf[0].X = x;
2388 ptf[0].Y = y;
2389 ptf[1].X = x + width;
2390 ptf[1].Y = y;
2391 ptf[2].X = x + width;
2392 ptf[2].Y = y + height;
2393 ptf[3].X = x;
2394 ptf[3].Y = y + height;
2396 save_state = prepare_dc(graphics, pen);
2397 SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
2399 transform_and_round_points(graphics, pti, ptf, 4);
2400 Polygon(graphics->hdc, pti, 4);
2402 restore_dc(graphics, save_state);
2404 return Ok;
2407 GpStatus WINGDIPAPI GdipDrawRectangleI(GpGraphics *graphics, GpPen *pen, INT x,
2408 INT y, INT width, INT height)
2410 TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, pen, x, y, width, height);
2412 return GdipDrawRectangle(graphics,pen,(REAL)x,(REAL)y,(REAL)width,(REAL)height);
2415 GpStatus WINGDIPAPI GdipDrawRectangles(GpGraphics *graphics, GpPen *pen,
2416 GDIPCONST GpRectF* rects, INT count)
2418 GpPointF *ptf;
2419 POINT *pti;
2420 INT save_state, i;
2422 TRACE("(%p, %p, %p, %d)\n", graphics, pen, rects, count);
2424 if(!graphics || !pen || !rects || count < 1)
2425 return InvalidParameter;
2427 if(graphics->busy)
2428 return ObjectBusy;
2430 ptf = GdipAlloc(4 * count * sizeof(GpPointF));
2431 pti = GdipAlloc(4 * count * sizeof(POINT));
2433 if(!ptf || !pti){
2434 GdipFree(ptf);
2435 GdipFree(pti);
2436 return OutOfMemory;
2439 for(i = 0; i < count; i++){
2440 ptf[4 * i + 3].X = ptf[4 * i].X = rects[i].X;
2441 ptf[4 * i + 1].Y = ptf[4 * i].Y = rects[i].Y;
2442 ptf[4 * i + 2].X = ptf[4 * i + 1].X = rects[i].X + rects[i].Width;
2443 ptf[4 * i + 3].Y = ptf[4 * i + 2].Y = rects[i].Y + rects[i].Height;
2446 save_state = prepare_dc(graphics, pen);
2447 SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
2449 transform_and_round_points(graphics, pti, ptf, 4 * count);
2451 for(i = 0; i < count; i++)
2452 Polygon(graphics->hdc, &pti[4 * i], 4);
2454 restore_dc(graphics, save_state);
2456 GdipFree(ptf);
2457 GdipFree(pti);
2459 return Ok;
2462 GpStatus WINGDIPAPI GdipDrawRectanglesI(GpGraphics *graphics, GpPen *pen,
2463 GDIPCONST GpRect* rects, INT count)
2465 GpRectF *rectsF;
2466 GpStatus ret;
2467 INT i;
2469 TRACE("(%p, %p, %p, %d)\n", graphics, pen, rects, count);
2471 if(!rects || count<=0)
2472 return InvalidParameter;
2474 rectsF = GdipAlloc(sizeof(GpRectF) * count);
2475 if(!rectsF)
2476 return OutOfMemory;
2478 for(i = 0;i < count;i++){
2479 rectsF[i].X = (REAL)rects[i].X;
2480 rectsF[i].Y = (REAL)rects[i].Y;
2481 rectsF[i].Width = (REAL)rects[i].Width;
2482 rectsF[i].Height = (REAL)rects[i].Height;
2485 ret = GdipDrawRectangles(graphics, pen, rectsF, count);
2486 GdipFree(rectsF);
2488 return ret;
2491 GpStatus WINGDIPAPI GdipDrawString(GpGraphics *graphics, GDIPCONST WCHAR *string,
2492 INT length, GDIPCONST GpFont *font, GDIPCONST RectF *rect,
2493 GDIPCONST GpStringFormat *format, GDIPCONST GpBrush *brush)
2495 HRGN rgn = NULL;
2496 HFONT gdifont;
2497 LOGFONTW lfw;
2498 TEXTMETRICW textmet;
2499 GpPointF pt[3], rectcpy[4];
2500 POINT corners[4];
2501 WCHAR* stringdup;
2502 REAL angle, ang_cos, ang_sin, rel_width, rel_height;
2503 INT sum = 0, height = 0, offsety = 0, fit, fitcpy, save_state, i, j, lret, nwidth,
2504 nheight, lineend;
2505 SIZE size;
2506 POINT drawbase;
2507 UINT drawflags;
2508 RECT drawcoord;
2510 TRACE("(%p, %s, %i, %p, %s, %p, %p)\n", graphics, debugstr_wn(string, length),
2511 length, font, debugstr_rectf(rect), format, brush);
2513 if(!graphics || !string || !font || !brush || !rect)
2514 return InvalidParameter;
2516 if((brush->bt != BrushTypeSolidColor)){
2517 FIXME("not implemented for given parameters\n");
2518 return NotImplemented;
2521 if(format){
2522 TRACE("may be ignoring some format flags: attr %x\n", format->attr);
2524 /* Should be no need to explicitly test for StringAlignmentNear as
2525 * that is default behavior if no alignment is passed. */
2526 if(format->vertalign != StringAlignmentNear){
2527 RectF bounds;
2528 GdipMeasureString(graphics, string, length, font, rect, format, &bounds, 0, 0);
2530 if(format->vertalign == StringAlignmentCenter)
2531 offsety = (rect->Height - bounds.Height) / 2;
2532 else if(format->vertalign == StringAlignmentFar)
2533 offsety = (rect->Height - bounds.Height);
2537 if(length == -1) length = lstrlenW(string);
2539 stringdup = GdipAlloc(length * sizeof(WCHAR));
2540 if(!stringdup) return OutOfMemory;
2542 save_state = SaveDC(graphics->hdc);
2543 SetBkMode(graphics->hdc, TRANSPARENT);
2544 SetTextColor(graphics->hdc, brush->lb.lbColor);
2546 pt[0].X = 0.0;
2547 pt[0].Y = 0.0;
2548 pt[1].X = 1.0;
2549 pt[1].Y = 0.0;
2550 pt[2].X = 0.0;
2551 pt[2].Y = 1.0;
2552 GdipTransformPoints(graphics, CoordinateSpaceDevice, CoordinateSpaceWorld, pt, 3);
2553 angle = -gdiplus_atan2((pt[1].Y - pt[0].Y), (pt[1].X - pt[0].X));
2554 ang_cos = cos(angle);
2555 ang_sin = sin(angle);
2556 rel_width = sqrt((pt[1].Y-pt[0].Y)*(pt[1].Y-pt[0].Y)+
2557 (pt[1].X-pt[0].X)*(pt[1].X-pt[0].X));
2558 rel_height = sqrt((pt[2].Y-pt[0].Y)*(pt[2].Y-pt[0].Y)+
2559 (pt[2].X-pt[0].X)*(pt[2].X-pt[0].X));
2561 rectcpy[3].X = rectcpy[0].X = rect->X;
2562 rectcpy[1].Y = rectcpy[0].Y = rect->Y + offsety;
2563 rectcpy[2].X = rectcpy[1].X = rect->X + rect->Width;
2564 rectcpy[3].Y = rectcpy[2].Y = rect->Y + offsety + rect->Height;
2565 transform_and_round_points(graphics, corners, rectcpy, 4);
2567 if (roundr(rect->Width) == 0)
2568 nwidth = INT_MAX;
2569 else
2570 nwidth = roundr(rel_width * rect->Width);
2572 if (roundr(rect->Height) == 0)
2573 nheight = INT_MAX;
2574 else
2575 nheight = roundr(rel_height * rect->Height);
2577 if (roundr(rect->Width) != 0 && roundr(rect->Height) != 0)
2579 /* FIXME: If only the width or only the height is 0, we should probably still clip */
2580 rgn = CreatePolygonRgn(corners, 4, ALTERNATE);
2581 SelectClipRgn(graphics->hdc, rgn);
2584 /* Use gdi to find the font, then perform transformations on it (height,
2585 * width, angle). */
2586 SelectObject(graphics->hdc, CreateFontIndirectW(&font->lfw));
2587 GetTextMetricsW(graphics->hdc, &textmet);
2588 lfw = font->lfw;
2590 lfw.lfHeight = roundr(((REAL)lfw.lfHeight) * rel_height);
2591 lfw.lfWidth = roundr(textmet.tmAveCharWidth * rel_width);
2593 lfw.lfEscapement = lfw.lfOrientation = roundr((angle / M_PI) * 1800.0);
2595 gdifont = CreateFontIndirectW(&lfw);
2596 DeleteObject(SelectObject(graphics->hdc, CreateFontIndirectW(&lfw)));
2598 for(i = 0, j = 0; i < length; i++){
2599 if(!isprintW(string[i]) && (string[i] != '\n'))
2600 continue;
2602 stringdup[j] = string[i];
2603 j++;
2606 length = j;
2608 if (!format || format->align == StringAlignmentNear)
2610 drawbase.x = corners[0].x;
2611 drawbase.y = corners[0].y;
2612 drawflags = DT_NOCLIP | DT_EXPANDTABS;
2614 else if (format->align == StringAlignmentCenter)
2616 drawbase.x = (corners[0].x + corners[1].x)/2;
2617 drawbase.y = (corners[0].y + corners[1].y)/2;
2618 drawflags = DT_NOCLIP | DT_EXPANDTABS | DT_CENTER;
2620 else /* (format->align == StringAlignmentFar) */
2622 drawbase.x = corners[1].x;
2623 drawbase.y = corners[1].y;
2624 drawflags = DT_NOCLIP | DT_EXPANDTABS | DT_RIGHT;
2627 while(sum < length){
2628 drawcoord.left = drawcoord.right = drawbase.x + roundr(ang_sin * (REAL) height);
2629 drawcoord.top = drawcoord.bottom = drawbase.y + roundr(ang_cos * (REAL) height);
2631 GetTextExtentExPointW(graphics->hdc, stringdup + sum, length - sum,
2632 nwidth, &fit, NULL, &size);
2633 fitcpy = fit;
2635 if(fit == 0){
2636 DrawTextW(graphics->hdc, stringdup + sum, 1, &drawcoord, drawflags);
2637 break;
2640 for(lret = 0; lret < fit; lret++)
2641 if(*(stringdup + sum + lret) == '\n')
2642 break;
2644 /* Line break code (may look strange, but it imitates windows). */
2645 if(lret < fit)
2646 lineend = fit = lret; /* this is not an off-by-one error */
2647 else if(fit < (length - sum)){
2648 if(*(stringdup + sum + fit) == ' ')
2649 while(*(stringdup + sum + fit) == ' ')
2650 fit++;
2651 else
2652 while(*(stringdup + sum + fit - 1) != ' '){
2653 fit--;
2655 if(*(stringdup + sum + fit) == '\t')
2656 break;
2658 if(fit == 0){
2659 fit = fitcpy;
2660 break;
2663 lineend = fit;
2664 while(*(stringdup + sum + lineend - 1) == ' ' ||
2665 *(stringdup + sum + lineend - 1) == '\t')
2666 lineend--;
2668 else
2669 lineend = fit;
2670 DrawTextW(graphics->hdc, stringdup + sum, min(length - sum, lineend),
2671 &drawcoord, drawflags);
2673 sum += fit + (lret < fitcpy ? 1 : 0);
2674 height += size.cy;
2676 if(height > nheight)
2677 break;
2679 /* Stop if this was a linewrap (but not if it was a linebreak). */
2680 if((lret == fitcpy) && format && (format->attr & StringFormatFlagsNoWrap))
2681 break;
2684 GdipFree(stringdup);
2685 DeleteObject(rgn);
2686 DeleteObject(gdifont);
2688 RestoreDC(graphics->hdc, save_state);
2690 return Ok;
2693 GpStatus WINGDIPAPI GdipFillClosedCurve2(GpGraphics *graphics, GpBrush *brush,
2694 GDIPCONST GpPointF *points, INT count, REAL tension, GpFillMode fill)
2696 GpPath *path;
2697 GpStatus stat;
2699 TRACE("(%p, %p, %p, %d, %.2f, %d)\n", graphics, brush, points,
2700 count, tension, fill);
2702 if(!graphics || !brush || !points)
2703 return InvalidParameter;
2705 if(graphics->busy)
2706 return ObjectBusy;
2708 stat = GdipCreatePath(fill, &path);
2709 if(stat != Ok)
2710 return stat;
2712 stat = GdipAddPathClosedCurve2(path, points, count, tension);
2713 if(stat != Ok){
2714 GdipDeletePath(path);
2715 return stat;
2718 stat = GdipFillPath(graphics, brush, path);
2719 if(stat != Ok){
2720 GdipDeletePath(path);
2721 return stat;
2724 GdipDeletePath(path);
2726 return Ok;
2729 GpStatus WINGDIPAPI GdipFillClosedCurve2I(GpGraphics *graphics, GpBrush *brush,
2730 GDIPCONST GpPoint *points, INT count, REAL tension, GpFillMode fill)
2732 GpPointF *ptf;
2733 GpStatus stat;
2734 INT i;
2736 TRACE("(%p, %p, %p, %d, %.2f, %d)\n", graphics, brush, points,
2737 count, tension, fill);
2739 if(!points || count <= 0)
2740 return InvalidParameter;
2742 ptf = GdipAlloc(sizeof(GpPointF)*count);
2743 if(!ptf)
2744 return OutOfMemory;
2746 for(i = 0;i < count;i++){
2747 ptf[i].X = (REAL)points[i].X;
2748 ptf[i].Y = (REAL)points[i].Y;
2751 stat = GdipFillClosedCurve2(graphics, brush, ptf, count, tension, fill);
2753 GdipFree(ptf);
2755 return stat;
2758 GpStatus WINGDIPAPI GdipFillEllipse(GpGraphics *graphics, GpBrush *brush, REAL x,
2759 REAL y, REAL width, REAL height)
2761 INT save_state;
2762 GpPointF ptf[2];
2763 POINT pti[2];
2765 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, brush, x, y, width, height);
2767 if(!graphics || !brush)
2768 return InvalidParameter;
2770 if(graphics->busy)
2771 return ObjectBusy;
2773 ptf[0].X = x;
2774 ptf[0].Y = y;
2775 ptf[1].X = x + width;
2776 ptf[1].Y = y + height;
2778 save_state = SaveDC(graphics->hdc);
2779 EndPath(graphics->hdc);
2781 transform_and_round_points(graphics, pti, ptf, 2);
2783 BeginPath(graphics->hdc);
2784 Ellipse(graphics->hdc, pti[0].x, pti[0].y, pti[1].x, pti[1].y);
2785 EndPath(graphics->hdc);
2787 brush_fill_path(graphics, brush);
2789 RestoreDC(graphics->hdc, save_state);
2791 return Ok;
2794 GpStatus WINGDIPAPI GdipFillEllipseI(GpGraphics *graphics, GpBrush *brush, INT x,
2795 INT y, INT width, INT height)
2797 TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, brush, x, y, width, height);
2799 return GdipFillEllipse(graphics,brush,(REAL)x,(REAL)y,(REAL)width,(REAL)height);
2802 GpStatus WINGDIPAPI GdipFillPath(GpGraphics *graphics, GpBrush *brush, GpPath *path)
2804 INT save_state;
2805 GpStatus retval;
2807 TRACE("(%p, %p, %p)\n", graphics, brush, path);
2809 if(!brush || !graphics || !path)
2810 return InvalidParameter;
2812 if(graphics->busy)
2813 return ObjectBusy;
2815 save_state = SaveDC(graphics->hdc);
2816 EndPath(graphics->hdc);
2817 SetPolyFillMode(graphics->hdc, (path->fill == FillModeAlternate ? ALTERNATE
2818 : WINDING));
2820 BeginPath(graphics->hdc);
2821 retval = draw_poly(graphics, NULL, path->pathdata.Points,
2822 path->pathdata.Types, path->pathdata.Count, FALSE);
2824 if(retval != Ok)
2825 goto end;
2827 EndPath(graphics->hdc);
2828 brush_fill_path(graphics, brush);
2830 retval = Ok;
2832 end:
2833 RestoreDC(graphics->hdc, save_state);
2835 return retval;
2838 GpStatus WINGDIPAPI GdipFillPie(GpGraphics *graphics, GpBrush *brush, REAL x,
2839 REAL y, REAL width, REAL height, REAL startAngle, REAL sweepAngle)
2841 INT save_state;
2843 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f)\n",
2844 graphics, brush, x, y, width, height, startAngle, sweepAngle);
2846 if(!graphics || !brush)
2847 return InvalidParameter;
2849 if(graphics->busy)
2850 return ObjectBusy;
2852 save_state = SaveDC(graphics->hdc);
2853 EndPath(graphics->hdc);
2855 BeginPath(graphics->hdc);
2856 draw_pie(graphics, x, y, width, height, startAngle, sweepAngle);
2857 EndPath(graphics->hdc);
2859 brush_fill_path(graphics, brush);
2861 RestoreDC(graphics->hdc, save_state);
2863 return Ok;
2866 GpStatus WINGDIPAPI GdipFillPieI(GpGraphics *graphics, GpBrush *brush, INT x,
2867 INT y, INT width, INT height, REAL startAngle, REAL sweepAngle)
2869 TRACE("(%p, %p, %d, %d, %d, %d, %.2f, %.2f)\n",
2870 graphics, brush, x, y, width, height, startAngle, sweepAngle);
2872 return GdipFillPie(graphics,brush,(REAL)x,(REAL)y,(REAL)width,(REAL)height,startAngle,sweepAngle);
2875 GpStatus WINGDIPAPI GdipFillPolygon(GpGraphics *graphics, GpBrush *brush,
2876 GDIPCONST GpPointF *points, INT count, GpFillMode fillMode)
2878 INT save_state;
2879 GpPointF *ptf = NULL;
2880 POINT *pti = NULL;
2881 GpStatus retval = Ok;
2883 TRACE("(%p, %p, %p, %d, %d)\n", graphics, brush, points, count, fillMode);
2885 if(!graphics || !brush || !points || !count)
2886 return InvalidParameter;
2888 if(graphics->busy)
2889 return ObjectBusy;
2891 ptf = GdipAlloc(count * sizeof(GpPointF));
2892 pti = GdipAlloc(count * sizeof(POINT));
2893 if(!ptf || !pti){
2894 retval = OutOfMemory;
2895 goto end;
2898 memcpy(ptf, points, count * sizeof(GpPointF));
2900 save_state = SaveDC(graphics->hdc);
2901 EndPath(graphics->hdc);
2902 SetPolyFillMode(graphics->hdc, (fillMode == FillModeAlternate ? ALTERNATE
2903 : WINDING));
2905 transform_and_round_points(graphics, pti, ptf, count);
2907 BeginPath(graphics->hdc);
2908 Polygon(graphics->hdc, pti, count);
2909 EndPath(graphics->hdc);
2911 brush_fill_path(graphics, brush);
2913 RestoreDC(graphics->hdc, save_state);
2915 end:
2916 GdipFree(ptf);
2917 GdipFree(pti);
2919 return retval;
2922 GpStatus WINGDIPAPI GdipFillPolygonI(GpGraphics *graphics, GpBrush *brush,
2923 GDIPCONST GpPoint *points, INT count, GpFillMode fillMode)
2925 INT save_state, i;
2926 GpPointF *ptf = NULL;
2927 POINT *pti = NULL;
2928 GpStatus retval = Ok;
2930 TRACE("(%p, %p, %p, %d, %d)\n", graphics, brush, points, count, fillMode);
2932 if(!graphics || !brush || !points || !count)
2933 return InvalidParameter;
2935 if(graphics->busy)
2936 return ObjectBusy;
2938 ptf = GdipAlloc(count * sizeof(GpPointF));
2939 pti = GdipAlloc(count * sizeof(POINT));
2940 if(!ptf || !pti){
2941 retval = OutOfMemory;
2942 goto end;
2945 for(i = 0; i < count; i ++){
2946 ptf[i].X = (REAL) points[i].X;
2947 ptf[i].Y = (REAL) points[i].Y;
2950 save_state = SaveDC(graphics->hdc);
2951 EndPath(graphics->hdc);
2952 SetPolyFillMode(graphics->hdc, (fillMode == FillModeAlternate ? ALTERNATE
2953 : WINDING));
2955 transform_and_round_points(graphics, pti, ptf, count);
2957 BeginPath(graphics->hdc);
2958 Polygon(graphics->hdc, pti, count);
2959 EndPath(graphics->hdc);
2961 brush_fill_path(graphics, brush);
2963 RestoreDC(graphics->hdc, save_state);
2965 end:
2966 GdipFree(ptf);
2967 GdipFree(pti);
2969 return retval;
2972 GpStatus WINGDIPAPI GdipFillPolygon2(GpGraphics *graphics, GpBrush *brush,
2973 GDIPCONST GpPointF *points, INT count)
2975 TRACE("(%p, %p, %p, %d)\n", graphics, brush, points, count);
2977 return GdipFillPolygon(graphics, brush, points, count, FillModeAlternate);
2980 GpStatus WINGDIPAPI GdipFillPolygon2I(GpGraphics *graphics, GpBrush *brush,
2981 GDIPCONST GpPoint *points, INT count)
2983 TRACE("(%p, %p, %p, %d)\n", graphics, brush, points, count);
2985 return GdipFillPolygonI(graphics, brush, points, count, FillModeAlternate);
2988 GpStatus WINGDIPAPI GdipFillRectangle(GpGraphics *graphics, GpBrush *brush,
2989 REAL x, REAL y, REAL width, REAL height)
2991 INT save_state;
2992 GpPointF ptf[4];
2993 POINT pti[4];
2995 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, brush, x, y, width, height);
2997 if(!graphics || !brush)
2998 return InvalidParameter;
3000 if(graphics->busy)
3001 return ObjectBusy;
3003 ptf[0].X = x;
3004 ptf[0].Y = y;
3005 ptf[1].X = x + width;
3006 ptf[1].Y = y;
3007 ptf[2].X = x + width;
3008 ptf[2].Y = y + height;
3009 ptf[3].X = x;
3010 ptf[3].Y = y + height;
3012 save_state = SaveDC(graphics->hdc);
3013 EndPath(graphics->hdc);
3015 transform_and_round_points(graphics, pti, ptf, 4);
3017 BeginPath(graphics->hdc);
3018 Polygon(graphics->hdc, pti, 4);
3019 EndPath(graphics->hdc);
3021 brush_fill_path(graphics, brush);
3023 RestoreDC(graphics->hdc, save_state);
3025 return Ok;
3028 GpStatus WINGDIPAPI GdipFillRectangleI(GpGraphics *graphics, GpBrush *brush,
3029 INT x, INT y, INT width, INT height)
3031 INT save_state;
3032 GpPointF ptf[4];
3033 POINT pti[4];
3035 TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, brush, x, y, width, height);
3037 if(!graphics || !brush)
3038 return InvalidParameter;
3040 if(graphics->busy)
3041 return ObjectBusy;
3043 ptf[0].X = x;
3044 ptf[0].Y = y;
3045 ptf[1].X = x + width;
3046 ptf[1].Y = y;
3047 ptf[2].X = x + width;
3048 ptf[2].Y = y + height;
3049 ptf[3].X = x;
3050 ptf[3].Y = y + height;
3052 save_state = SaveDC(graphics->hdc);
3053 EndPath(graphics->hdc);
3055 transform_and_round_points(graphics, pti, ptf, 4);
3057 BeginPath(graphics->hdc);
3058 Polygon(graphics->hdc, pti, 4);
3059 EndPath(graphics->hdc);
3061 brush_fill_path(graphics, brush);
3063 RestoreDC(graphics->hdc, save_state);
3065 return Ok;
3068 GpStatus WINGDIPAPI GdipFillRectangles(GpGraphics *graphics, GpBrush *brush, GDIPCONST GpRectF *rects,
3069 INT count)
3071 GpStatus ret;
3072 INT i;
3074 TRACE("(%p, %p, %p, %d)\n", graphics, brush, rects, count);
3076 if(!rects)
3077 return InvalidParameter;
3079 for(i = 0; i < count; i++){
3080 ret = GdipFillRectangle(graphics, brush, rects[i].X, rects[i].Y, rects[i].Width, rects[i].Height);
3081 if(ret != Ok) return ret;
3084 return Ok;
3087 GpStatus WINGDIPAPI GdipFillRectanglesI(GpGraphics *graphics, GpBrush *brush, GDIPCONST GpRect *rects,
3088 INT count)
3090 GpRectF *rectsF;
3091 GpStatus ret;
3092 INT i;
3094 TRACE("(%p, %p, %p, %d)\n", graphics, brush, rects, count);
3096 if(!rects || count <= 0)
3097 return InvalidParameter;
3099 rectsF = GdipAlloc(sizeof(GpRectF)*count);
3100 if(!rectsF)
3101 return OutOfMemory;
3103 for(i = 0; i < count; i++){
3104 rectsF[i].X = (REAL)rects[i].X;
3105 rectsF[i].Y = (REAL)rects[i].Y;
3106 rectsF[i].X = (REAL)rects[i].Width;
3107 rectsF[i].Height = (REAL)rects[i].Height;
3110 ret = GdipFillRectangles(graphics,brush,rectsF,count);
3111 GdipFree(rectsF);
3113 return ret;
3116 /*****************************************************************************
3117 * GdipFillRegion [GDIPLUS.@]
3119 GpStatus WINGDIPAPI GdipFillRegion(GpGraphics* graphics, GpBrush* brush,
3120 GpRegion* region)
3122 INT save_state;
3123 GpStatus status;
3124 HRGN hrgn;
3125 RECT rc;
3127 TRACE("(%p, %p, %p)\n", graphics, brush, region);
3129 if (!(graphics && brush && region))
3130 return InvalidParameter;
3132 if(graphics->busy)
3133 return ObjectBusy;
3135 status = GdipGetRegionHRgn(region, graphics, &hrgn);
3136 if(status != Ok)
3137 return status;
3139 save_state = SaveDC(graphics->hdc);
3140 EndPath(graphics->hdc);
3142 ExtSelectClipRgn(graphics->hdc, hrgn, RGN_AND);
3144 if (GetClipBox(graphics->hdc, &rc) != NULLREGION)
3146 BeginPath(graphics->hdc);
3147 Rectangle(graphics->hdc, rc.left, rc.top, rc.right, rc.bottom);
3148 EndPath(graphics->hdc);
3150 brush_fill_path(graphics, brush);
3153 RestoreDC(graphics->hdc, save_state);
3155 DeleteObject(hrgn);
3157 return Ok;
3160 GpStatus WINGDIPAPI GdipFlush(GpGraphics *graphics, GpFlushIntention intention)
3162 static int calls;
3164 TRACE("(%p,%u)\n", graphics, intention);
3166 if(!graphics)
3167 return InvalidParameter;
3169 if(graphics->busy)
3170 return ObjectBusy;
3172 if(!(calls++))
3173 FIXME("not implemented\n");
3175 return NotImplemented;
3178 /*****************************************************************************
3179 * GdipGetClipBounds [GDIPLUS.@]
3181 GpStatus WINGDIPAPI GdipGetClipBounds(GpGraphics *graphics, GpRectF *rect)
3183 TRACE("(%p, %p)\n", graphics, rect);
3185 if(!graphics)
3186 return InvalidParameter;
3188 if(graphics->busy)
3189 return ObjectBusy;
3191 return GdipGetRegionBounds(graphics->clip, graphics, rect);
3194 /*****************************************************************************
3195 * GdipGetClipBoundsI [GDIPLUS.@]
3197 GpStatus WINGDIPAPI GdipGetClipBoundsI(GpGraphics *graphics, GpRect *rect)
3199 TRACE("(%p, %p)\n", graphics, rect);
3201 if(!graphics)
3202 return InvalidParameter;
3204 if(graphics->busy)
3205 return ObjectBusy;
3207 return GdipGetRegionBoundsI(graphics->clip, graphics, rect);
3210 /* FIXME: Compositing mode is not used anywhere except the getter/setter. */
3211 GpStatus WINGDIPAPI GdipGetCompositingMode(GpGraphics *graphics,
3212 CompositingMode *mode)
3214 TRACE("(%p, %p)\n", graphics, mode);
3216 if(!graphics || !mode)
3217 return InvalidParameter;
3219 if(graphics->busy)
3220 return ObjectBusy;
3222 *mode = graphics->compmode;
3224 return Ok;
3227 /* FIXME: Compositing quality is not used anywhere except the getter/setter. */
3228 GpStatus WINGDIPAPI GdipGetCompositingQuality(GpGraphics *graphics,
3229 CompositingQuality *quality)
3231 TRACE("(%p, %p)\n", graphics, quality);
3233 if(!graphics || !quality)
3234 return InvalidParameter;
3236 if(graphics->busy)
3237 return ObjectBusy;
3239 *quality = graphics->compqual;
3241 return Ok;
3244 /* FIXME: Interpolation mode is not used anywhere except the getter/setter. */
3245 GpStatus WINGDIPAPI GdipGetInterpolationMode(GpGraphics *graphics,
3246 InterpolationMode *mode)
3248 TRACE("(%p, %p)\n", graphics, mode);
3250 if(!graphics || !mode)
3251 return InvalidParameter;
3253 if(graphics->busy)
3254 return ObjectBusy;
3256 *mode = graphics->interpolation;
3258 return Ok;
3261 /* FIXME: Need to handle color depths less than 24bpp */
3262 GpStatus WINGDIPAPI GdipGetNearestColor(GpGraphics *graphics, ARGB* argb)
3264 FIXME("(%p, %p): Passing color unmodified\n", graphics, argb);
3266 if(!graphics || !argb)
3267 return InvalidParameter;
3269 if(graphics->busy)
3270 return ObjectBusy;
3272 return Ok;
3275 GpStatus WINGDIPAPI GdipGetPageScale(GpGraphics *graphics, REAL *scale)
3277 TRACE("(%p, %p)\n", graphics, scale);
3279 if(!graphics || !scale)
3280 return InvalidParameter;
3282 if(graphics->busy)
3283 return ObjectBusy;
3285 *scale = graphics->scale;
3287 return Ok;
3290 GpStatus WINGDIPAPI GdipGetPageUnit(GpGraphics *graphics, GpUnit *unit)
3292 TRACE("(%p, %p)\n", graphics, unit);
3294 if(!graphics || !unit)
3295 return InvalidParameter;
3297 if(graphics->busy)
3298 return ObjectBusy;
3300 *unit = graphics->unit;
3302 return Ok;
3305 /* FIXME: Pixel offset mode is not used anywhere except the getter/setter. */
3306 GpStatus WINGDIPAPI GdipGetPixelOffsetMode(GpGraphics *graphics, PixelOffsetMode
3307 *mode)
3309 TRACE("(%p, %p)\n", graphics, mode);
3311 if(!graphics || !mode)
3312 return InvalidParameter;
3314 if(graphics->busy)
3315 return ObjectBusy;
3317 *mode = graphics->pixeloffset;
3319 return Ok;
3322 /* FIXME: Smoothing mode is not used anywhere except the getter/setter. */
3323 GpStatus WINGDIPAPI GdipGetSmoothingMode(GpGraphics *graphics, SmoothingMode *mode)
3325 TRACE("(%p, %p)\n", graphics, mode);
3327 if(!graphics || !mode)
3328 return InvalidParameter;
3330 if(graphics->busy)
3331 return ObjectBusy;
3333 *mode = graphics->smoothing;
3335 return Ok;
3338 GpStatus WINGDIPAPI GdipGetTextContrast(GpGraphics *graphics, UINT *contrast)
3340 TRACE("(%p, %p)\n", graphics, contrast);
3342 if(!graphics || !contrast)
3343 return InvalidParameter;
3345 *contrast = graphics->textcontrast;
3347 return Ok;
3350 /* FIXME: Text rendering hint is not used anywhere except the getter/setter. */
3351 GpStatus WINGDIPAPI GdipGetTextRenderingHint(GpGraphics *graphics,
3352 TextRenderingHint *hint)
3354 TRACE("(%p, %p)\n", graphics, hint);
3356 if(!graphics || !hint)
3357 return InvalidParameter;
3359 if(graphics->busy)
3360 return ObjectBusy;
3362 *hint = graphics->texthint;
3364 return Ok;
3367 GpStatus WINGDIPAPI GdipGetVisibleClipBounds(GpGraphics *graphics, GpRectF *rect)
3369 GpRegion *clip_rgn;
3370 GpStatus stat;
3372 TRACE("(%p, %p)\n", graphics, rect);
3374 if(!graphics || !rect)
3375 return InvalidParameter;
3377 if(graphics->busy)
3378 return ObjectBusy;
3380 /* intersect window and graphics clipping regions */
3381 if((stat = GdipCreateRegion(&clip_rgn)) != Ok)
3382 return stat;
3384 if((stat = get_visible_clip_region(graphics, clip_rgn)) != Ok)
3385 goto cleanup;
3387 /* get bounds of the region */
3388 stat = GdipGetRegionBounds(clip_rgn, graphics, rect);
3390 cleanup:
3391 GdipDeleteRegion(clip_rgn);
3393 return stat;
3396 GpStatus WINGDIPAPI GdipGetVisibleClipBoundsI(GpGraphics *graphics, GpRect *rect)
3398 GpRectF rectf;
3399 GpStatus stat;
3401 TRACE("(%p, %p)\n", graphics, rect);
3403 if(!graphics || !rect)
3404 return InvalidParameter;
3406 if((stat = GdipGetVisibleClipBounds(graphics, &rectf)) == Ok)
3408 rect->X = roundr(rectf.X);
3409 rect->Y = roundr(rectf.Y);
3410 rect->Width = roundr(rectf.Width);
3411 rect->Height = roundr(rectf.Height);
3414 return stat;
3417 GpStatus WINGDIPAPI GdipGetWorldTransform(GpGraphics *graphics, GpMatrix *matrix)
3419 TRACE("(%p, %p)\n", graphics, matrix);
3421 if(!graphics || !matrix)
3422 return InvalidParameter;
3424 if(graphics->busy)
3425 return ObjectBusy;
3427 *matrix = *graphics->worldtrans;
3428 return Ok;
3431 GpStatus WINGDIPAPI GdipGraphicsClear(GpGraphics *graphics, ARGB color)
3433 GpSolidFill *brush;
3434 GpStatus stat;
3435 GpRectF wnd_rect;
3437 TRACE("(%p, %x)\n", graphics, color);
3439 if(!graphics)
3440 return InvalidParameter;
3442 if(graphics->busy)
3443 return ObjectBusy;
3445 if((stat = GdipCreateSolidFill(color, &brush)) != Ok)
3446 return stat;
3448 if((stat = get_graphics_bounds(graphics, &wnd_rect)) != Ok){
3449 GdipDeleteBrush((GpBrush*)brush);
3450 return stat;
3453 GdipFillRectangle(graphics, (GpBrush*)brush, wnd_rect.X, wnd_rect.Y,
3454 wnd_rect.Width, wnd_rect.Height);
3456 GdipDeleteBrush((GpBrush*)brush);
3458 return Ok;
3461 GpStatus WINGDIPAPI GdipIsClipEmpty(GpGraphics *graphics, BOOL *res)
3463 TRACE("(%p, %p)\n", graphics, res);
3465 if(!graphics || !res)
3466 return InvalidParameter;
3468 return GdipIsEmptyRegion(graphics->clip, graphics, res);
3471 GpStatus WINGDIPAPI GdipIsVisiblePoint(GpGraphics *graphics, REAL x, REAL y, BOOL *result)
3473 GpStatus stat;
3474 GpRegion* rgn;
3475 GpPointF pt;
3477 TRACE("(%p, %.2f, %.2f, %p)\n", graphics, x, y, result);
3479 if(!graphics || !result)
3480 return InvalidParameter;
3482 if(graphics->busy)
3483 return ObjectBusy;
3485 pt.X = x;
3486 pt.Y = y;
3487 if((stat = GdipTransformPoints(graphics, CoordinateSpaceDevice,
3488 CoordinateSpaceWorld, &pt, 1)) != Ok)
3489 return stat;
3491 if((stat = GdipCreateRegion(&rgn)) != Ok)
3492 return stat;
3494 if((stat = get_visible_clip_region(graphics, rgn)) != Ok)
3495 goto cleanup;
3497 stat = GdipIsVisibleRegionPoint(rgn, pt.X, pt.Y, graphics, result);
3499 cleanup:
3500 GdipDeleteRegion(rgn);
3501 return stat;
3504 GpStatus WINGDIPAPI GdipIsVisiblePointI(GpGraphics *graphics, INT x, INT y, BOOL *result)
3506 return GdipIsVisiblePoint(graphics, (REAL)x, (REAL)y, result);
3509 GpStatus WINGDIPAPI GdipIsVisibleRect(GpGraphics *graphics, REAL x, REAL y, REAL width, REAL height, BOOL *result)
3511 GpStatus stat;
3512 GpRegion* rgn;
3513 GpPointF pts[2];
3515 TRACE("(%p %.2f %.2f %.2f %.2f %p)\n", graphics, x, y, width, height, result);
3517 if(!graphics || !result)
3518 return InvalidParameter;
3520 if(graphics->busy)
3521 return ObjectBusy;
3523 pts[0].X = x;
3524 pts[0].Y = y;
3525 pts[1].X = x + width;
3526 pts[1].Y = y + height;
3528 if((stat = GdipTransformPoints(graphics, CoordinateSpaceDevice,
3529 CoordinateSpaceWorld, pts, 2)) != Ok)
3530 return stat;
3532 pts[1].X -= pts[0].X;
3533 pts[1].Y -= pts[0].Y;
3535 if((stat = GdipCreateRegion(&rgn)) != Ok)
3536 return stat;
3538 if((stat = get_visible_clip_region(graphics, rgn)) != Ok)
3539 goto cleanup;
3541 stat = GdipIsVisibleRegionRect(rgn, pts[0].X, pts[0].Y, pts[1].X, pts[1].Y, graphics, result);
3543 cleanup:
3544 GdipDeleteRegion(rgn);
3545 return stat;
3548 GpStatus WINGDIPAPI GdipIsVisibleRectI(GpGraphics *graphics, INT x, INT y, INT width, INT height, BOOL *result)
3550 return GdipIsVisibleRect(graphics, (REAL)x, (REAL)y, (REAL)width, (REAL)height, result);
3553 GpStatus WINGDIPAPI GdipMeasureCharacterRanges(GpGraphics* graphics,
3554 GDIPCONST WCHAR* string, INT length, GDIPCONST GpFont* font,
3555 GDIPCONST RectF* layoutRect, GDIPCONST GpStringFormat *stringFormat,
3556 INT regionCount, GpRegion** regions)
3558 FIXME("stub: %p %s %d %p %p %p %d %p\n", graphics, debugstr_w(string),
3559 length, font, layoutRect, stringFormat, regionCount, regions);
3561 if (!(graphics && string && font && layoutRect && stringFormat && regions))
3562 return InvalidParameter;
3564 return NotImplemented;
3567 /* Find the smallest rectangle that bounds the text when it is printed in rect
3568 * according to the format options listed in format. If rect has 0 width and
3569 * height, then just find the smallest rectangle that bounds the text when it's
3570 * printed at location (rect->X, rect-Y). */
3571 GpStatus WINGDIPAPI GdipMeasureString(GpGraphics *graphics,
3572 GDIPCONST WCHAR *string, INT length, GDIPCONST GpFont *font,
3573 GDIPCONST RectF *rect, GDIPCONST GpStringFormat *format, RectF *bounds,
3574 INT *codepointsfitted, INT *linesfilled)
3576 HFONT oldfont;
3577 WCHAR* stringdup;
3578 INT sum = 0, height = 0, fit, fitcpy, max_width = 0, i, j, lret, nwidth,
3579 nheight, lineend;
3580 SIZE size;
3582 TRACE("(%p, %s, %i, %p, %s, %p, %p, %p, %p)\n", graphics,
3583 debugstr_wn(string, length), length, font, debugstr_rectf(rect), format,
3584 bounds, codepointsfitted, linesfilled);
3586 if(!graphics || !string || !font || !rect)
3587 return InvalidParameter;
3589 if(linesfilled) *linesfilled = 0;
3590 if(codepointsfitted) *codepointsfitted = 0;
3592 if(format)
3593 TRACE("may be ignoring some format flags: attr %x\n", format->attr);
3595 if(length == -1) length = lstrlenW(string);
3597 stringdup = GdipAlloc((length + 1) * sizeof(WCHAR));
3598 if(!stringdup) return OutOfMemory;
3600 oldfont = SelectObject(graphics->hdc, CreateFontIndirectW(&font->lfw));
3601 nwidth = roundr(rect->Width);
3602 nheight = roundr(rect->Height);
3604 if((nwidth == 0) && (nheight == 0))
3605 nwidth = nheight = INT_MAX;
3607 for(i = 0, j = 0; i < length; i++){
3608 if(!isprintW(string[i]) && (string[i] != '\n'))
3609 continue;
3611 stringdup[j] = string[i];
3612 j++;
3615 stringdup[j] = 0;
3616 length = j;
3618 while(sum < length){
3619 GetTextExtentExPointW(graphics->hdc, stringdup + sum, length - sum,
3620 nwidth, &fit, NULL, &size);
3621 fitcpy = fit;
3623 if(fit == 0)
3624 break;
3626 for(lret = 0; lret < fit; lret++)
3627 if(*(stringdup + sum + lret) == '\n')
3628 break;
3630 /* Line break code (may look strange, but it imitates windows). */
3631 if(lret < fit)
3632 lineend = fit = lret; /* this is not an off-by-one error */
3633 else if(fit < (length - sum)){
3634 if(*(stringdup + sum + fit) == ' ')
3635 while(*(stringdup + sum + fit) == ' ')
3636 fit++;
3637 else
3638 while(*(stringdup + sum + fit - 1) != ' '){
3639 fit--;
3641 if(*(stringdup + sum + fit) == '\t')
3642 break;
3644 if(fit == 0){
3645 fit = fitcpy;
3646 break;
3649 lineend = fit;
3650 while(*(stringdup + sum + lineend - 1) == ' ' ||
3651 *(stringdup + sum + lineend - 1) == '\t')
3652 lineend--;
3654 else
3655 lineend = fit;
3657 GetTextExtentExPointW(graphics->hdc, stringdup + sum, lineend,
3658 nwidth, &j, NULL, &size);
3660 sum += fit + (lret < fitcpy ? 1 : 0);
3661 if(codepointsfitted) *codepointsfitted = sum;
3663 height += size.cy;
3664 if(linesfilled) *linesfilled += size.cy;
3665 max_width = max(max_width, size.cx);
3667 if(height > nheight)
3668 break;
3670 /* Stop if this was a linewrap (but not if it was a linebreak). */
3671 if((lret == fitcpy) && format && (format->attr & StringFormatFlagsNoWrap))
3672 break;
3675 bounds->X = rect->X;
3676 bounds->Y = rect->Y;
3677 bounds->Width = (REAL)max_width;
3678 bounds->Height = (REAL) min(height, nheight);
3680 GdipFree(stringdup);
3681 DeleteObject(SelectObject(graphics->hdc, oldfont));
3683 return Ok;
3686 GpStatus WINGDIPAPI GdipResetClip(GpGraphics *graphics)
3688 TRACE("(%p)\n", graphics);
3690 if(!graphics)
3691 return InvalidParameter;
3693 if(graphics->busy)
3694 return ObjectBusy;
3696 return GdipSetInfinite(graphics->clip);
3699 GpStatus WINGDIPAPI GdipResetWorldTransform(GpGraphics *graphics)
3701 TRACE("(%p)\n", graphics);
3703 if(!graphics)
3704 return InvalidParameter;
3706 if(graphics->busy)
3707 return ObjectBusy;
3709 graphics->worldtrans->matrix[0] = 1.0;
3710 graphics->worldtrans->matrix[1] = 0.0;
3711 graphics->worldtrans->matrix[2] = 0.0;
3712 graphics->worldtrans->matrix[3] = 1.0;
3713 graphics->worldtrans->matrix[4] = 0.0;
3714 graphics->worldtrans->matrix[5] = 0.0;
3716 return Ok;
3719 GpStatus WINGDIPAPI GdipRestoreGraphics(GpGraphics *graphics, GraphicsState state)
3721 return GdipEndContainer(graphics, state);
3724 GpStatus WINGDIPAPI GdipRotateWorldTransform(GpGraphics *graphics, REAL angle,
3725 GpMatrixOrder order)
3727 TRACE("(%p, %.2f, %d)\n", graphics, angle, order);
3729 if(!graphics)
3730 return InvalidParameter;
3732 if(graphics->busy)
3733 return ObjectBusy;
3735 return GdipRotateMatrix(graphics->worldtrans, angle, order);
3738 GpStatus WINGDIPAPI GdipSaveGraphics(GpGraphics *graphics, GraphicsState *state)
3740 return GdipBeginContainer2(graphics, state);
3743 GpStatus WINGDIPAPI GdipBeginContainer2(GpGraphics *graphics,
3744 GraphicsContainer *state)
3746 GraphicsContainerItem *container;
3747 GpStatus sts;
3749 TRACE("(%p, %p)\n", graphics, state);
3751 if(!graphics || !state)
3752 return InvalidParameter;
3754 sts = init_container(&container, graphics);
3755 if(sts != Ok)
3756 return sts;
3758 list_add_head(&graphics->containers, &container->entry);
3759 *state = graphics->contid = container->contid;
3761 return Ok;
3764 GpStatus WINGDIPAPI GdipBeginContainer(GpGraphics *graphics, GDIPCONST GpRectF *dstrect, GDIPCONST GpRectF *srcrect, GpUnit unit, GraphicsContainer *state)
3766 FIXME("(%p, %p, %p, %d, %p): stub\n", graphics, dstrect, srcrect, unit, state);
3767 return NotImplemented;
3770 GpStatus WINGDIPAPI GdipBeginContainerI(GpGraphics *graphics, GDIPCONST GpRect *dstrect, GDIPCONST GpRect *srcrect, GpUnit unit, GraphicsContainer *state)
3772 FIXME("(%p, %p, %p, %d, %p): stub\n", graphics, dstrect, srcrect, unit, state);
3773 return NotImplemented;
3776 GpStatus WINGDIPAPI GdipComment(GpGraphics *graphics, UINT sizeData, GDIPCONST BYTE *data)
3778 FIXME("(%p, %d, %p): stub\n", graphics, sizeData, data);
3779 return NotImplemented;
3782 GpStatus WINGDIPAPI GdipEndContainer(GpGraphics *graphics, GraphicsContainer state)
3784 GpStatus sts;
3785 GraphicsContainerItem *container, *container2;
3787 TRACE("(%p, %x)\n", graphics, state);
3789 if(!graphics)
3790 return InvalidParameter;
3792 LIST_FOR_EACH_ENTRY(container, &graphics->containers, GraphicsContainerItem, entry){
3793 if(container->contid == state)
3794 break;
3797 /* did not find a matching container */
3798 if(&container->entry == &graphics->containers)
3799 return Ok;
3801 sts = restore_container(graphics, container);
3802 if(sts != Ok)
3803 return sts;
3805 /* remove all of the containers on top of the found container */
3806 LIST_FOR_EACH_ENTRY_SAFE(container, container2, &graphics->containers, GraphicsContainerItem, entry){
3807 if(container->contid == state)
3808 break;
3809 list_remove(&container->entry);
3810 delete_container(container);
3813 list_remove(&container->entry);
3814 delete_container(container);
3816 return Ok;
3819 GpStatus WINGDIPAPI GdipScaleWorldTransform(GpGraphics *graphics, REAL sx,
3820 REAL sy, GpMatrixOrder order)
3822 TRACE("(%p, %.2f, %.2f, %d)\n", graphics, sx, sy, order);
3824 if(!graphics)
3825 return InvalidParameter;
3827 if(graphics->busy)
3828 return ObjectBusy;
3830 return GdipScaleMatrix(graphics->worldtrans, sx, sy, order);
3833 GpStatus WINGDIPAPI GdipSetClipGraphics(GpGraphics *graphics, GpGraphics *srcgraphics,
3834 CombineMode mode)
3836 TRACE("(%p, %p, %d)\n", graphics, srcgraphics, mode);
3838 if(!graphics || !srcgraphics)
3839 return InvalidParameter;
3841 return GdipCombineRegionRegion(graphics->clip, srcgraphics->clip, mode);
3844 GpStatus WINGDIPAPI GdipSetCompositingMode(GpGraphics *graphics,
3845 CompositingMode mode)
3847 TRACE("(%p, %d)\n", graphics, mode);
3849 if(!graphics)
3850 return InvalidParameter;
3852 if(graphics->busy)
3853 return ObjectBusy;
3855 graphics->compmode = mode;
3857 return Ok;
3860 GpStatus WINGDIPAPI GdipSetCompositingQuality(GpGraphics *graphics,
3861 CompositingQuality quality)
3863 TRACE("(%p, %d)\n", graphics, quality);
3865 if(!graphics)
3866 return InvalidParameter;
3868 if(graphics->busy)
3869 return ObjectBusy;
3871 graphics->compqual = quality;
3873 return Ok;
3876 GpStatus WINGDIPAPI GdipSetInterpolationMode(GpGraphics *graphics,
3877 InterpolationMode mode)
3879 TRACE("(%p, %d)\n", graphics, mode);
3881 if(!graphics)
3882 return InvalidParameter;
3884 if(graphics->busy)
3885 return ObjectBusy;
3887 graphics->interpolation = mode;
3889 return Ok;
3892 GpStatus WINGDIPAPI GdipSetPageScale(GpGraphics *graphics, REAL scale)
3894 TRACE("(%p, %.2f)\n", graphics, scale);
3896 if(!graphics || (scale <= 0.0))
3897 return InvalidParameter;
3899 if(graphics->busy)
3900 return ObjectBusy;
3902 graphics->scale = scale;
3904 return Ok;
3907 GpStatus WINGDIPAPI GdipSetPageUnit(GpGraphics *graphics, GpUnit unit)
3909 TRACE("(%p, %d)\n", graphics, unit);
3911 if(!graphics)
3912 return InvalidParameter;
3914 if(graphics->busy)
3915 return ObjectBusy;
3917 if(unit == UnitWorld)
3918 return InvalidParameter;
3920 graphics->unit = unit;
3922 return Ok;
3925 GpStatus WINGDIPAPI GdipSetPixelOffsetMode(GpGraphics *graphics, PixelOffsetMode
3926 mode)
3928 TRACE("(%p, %d)\n", graphics, mode);
3930 if(!graphics)
3931 return InvalidParameter;
3933 if(graphics->busy)
3934 return ObjectBusy;
3936 graphics->pixeloffset = mode;
3938 return Ok;
3941 GpStatus WINGDIPAPI GdipSetRenderingOrigin(GpGraphics *graphics, INT x, INT y)
3943 static int calls;
3945 TRACE("(%p,%i,%i)\n", graphics, x, y);
3947 if (!(calls++))
3948 FIXME("not implemented\n");
3950 return NotImplemented;
3953 GpStatus WINGDIPAPI GdipSetSmoothingMode(GpGraphics *graphics, SmoothingMode mode)
3955 TRACE("(%p, %d)\n", graphics, mode);
3957 if(!graphics)
3958 return InvalidParameter;
3960 if(graphics->busy)
3961 return ObjectBusy;
3963 graphics->smoothing = mode;
3965 return Ok;
3968 GpStatus WINGDIPAPI GdipSetTextContrast(GpGraphics *graphics, UINT contrast)
3970 TRACE("(%p, %d)\n", graphics, contrast);
3972 if(!graphics)
3973 return InvalidParameter;
3975 graphics->textcontrast = contrast;
3977 return Ok;
3980 GpStatus WINGDIPAPI GdipSetTextRenderingHint(GpGraphics *graphics,
3981 TextRenderingHint hint)
3983 TRACE("(%p, %d)\n", graphics, hint);
3985 if(!graphics)
3986 return InvalidParameter;
3988 if(graphics->busy)
3989 return ObjectBusy;
3991 graphics->texthint = hint;
3993 return Ok;
3996 GpStatus WINGDIPAPI GdipSetWorldTransform(GpGraphics *graphics, GpMatrix *matrix)
3998 TRACE("(%p, %p)\n", graphics, matrix);
4000 if(!graphics || !matrix)
4001 return InvalidParameter;
4003 if(graphics->busy)
4004 return ObjectBusy;
4006 GdipDeleteMatrix(graphics->worldtrans);
4007 return GdipCloneMatrix(matrix, &graphics->worldtrans);
4010 GpStatus WINGDIPAPI GdipTranslateWorldTransform(GpGraphics *graphics, REAL dx,
4011 REAL dy, GpMatrixOrder order)
4013 TRACE("(%p, %.2f, %.2f, %d)\n", graphics, dx, dy, order);
4015 if(!graphics)
4016 return InvalidParameter;
4018 if(graphics->busy)
4019 return ObjectBusy;
4021 return GdipTranslateMatrix(graphics->worldtrans, dx, dy, order);
4024 /*****************************************************************************
4025 * GdipSetClipHrgn [GDIPLUS.@]
4027 GpStatus WINGDIPAPI GdipSetClipHrgn(GpGraphics *graphics, HRGN hrgn, CombineMode mode)
4029 GpRegion *region;
4030 GpStatus status;
4032 TRACE("(%p, %p, %d)\n", graphics, hrgn, mode);
4034 if(!graphics)
4035 return InvalidParameter;
4037 status = GdipCreateRegionHrgn(hrgn, &region);
4038 if(status != Ok)
4039 return status;
4041 status = GdipSetClipRegion(graphics, region, mode);
4043 GdipDeleteRegion(region);
4044 return status;
4047 GpStatus WINGDIPAPI GdipSetClipPath(GpGraphics *graphics, GpPath *path, CombineMode mode)
4049 TRACE("(%p, %p, %d)\n", graphics, path, mode);
4051 if(!graphics)
4052 return InvalidParameter;
4054 if(graphics->busy)
4055 return ObjectBusy;
4057 return GdipCombineRegionPath(graphics->clip, path, mode);
4060 GpStatus WINGDIPAPI GdipSetClipRect(GpGraphics *graphics, REAL x, REAL y,
4061 REAL width, REAL height,
4062 CombineMode mode)
4064 GpRectF rect;
4066 TRACE("(%p, %.2f, %.2f, %.2f, %.2f, %d)\n", graphics, x, y, width, height, mode);
4068 if(!graphics)
4069 return InvalidParameter;
4071 if(graphics->busy)
4072 return ObjectBusy;
4074 rect.X = x;
4075 rect.Y = y;
4076 rect.Width = width;
4077 rect.Height = height;
4079 return GdipCombineRegionRect(graphics->clip, &rect, mode);
4082 GpStatus WINGDIPAPI GdipSetClipRectI(GpGraphics *graphics, INT x, INT y,
4083 INT width, INT height,
4084 CombineMode mode)
4086 TRACE("(%p, %d, %d, %d, %d, %d)\n", graphics, x, y, width, height, mode);
4088 if(!graphics)
4089 return InvalidParameter;
4091 if(graphics->busy)
4092 return ObjectBusy;
4094 return GdipSetClipRect(graphics, (REAL)x, (REAL)y, (REAL)width, (REAL)height, mode);
4097 GpStatus WINGDIPAPI GdipSetClipRegion(GpGraphics *graphics, GpRegion *region,
4098 CombineMode mode)
4100 TRACE("(%p, %p, %d)\n", graphics, region, mode);
4102 if(!graphics || !region)
4103 return InvalidParameter;
4105 if(graphics->busy)
4106 return ObjectBusy;
4108 return GdipCombineRegionRegion(graphics->clip, region, mode);
4111 GpStatus WINGDIPAPI GdipSetMetafileDownLevelRasterizationLimit(GpMetafile *metafile,
4112 UINT limitDpi)
4114 static int calls;
4116 TRACE("(%p,%u)\n", metafile, limitDpi);
4118 if(!(calls++))
4119 FIXME("not implemented\n");
4121 return NotImplemented;
4124 GpStatus WINGDIPAPI GdipDrawPolygon(GpGraphics *graphics,GpPen *pen,GDIPCONST GpPointF *points,
4125 INT count)
4127 INT save_state;
4128 POINT *pti;
4130 TRACE("(%p, %p, %d)\n", graphics, points, count);
4132 if(!graphics || !pen || count<=0)
4133 return InvalidParameter;
4135 if(graphics->busy)
4136 return ObjectBusy;
4138 pti = GdipAlloc(sizeof(POINT) * count);
4140 save_state = prepare_dc(graphics, pen);
4141 SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
4143 transform_and_round_points(graphics, pti, (GpPointF*)points, count);
4144 Polygon(graphics->hdc, pti, count);
4146 restore_dc(graphics, save_state);
4147 GdipFree(pti);
4149 return Ok;
4152 GpStatus WINGDIPAPI GdipDrawPolygonI(GpGraphics *graphics,GpPen *pen,GDIPCONST GpPoint *points,
4153 INT count)
4155 GpStatus ret;
4156 GpPointF *ptf;
4157 INT i;
4159 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
4161 if(count<=0) return InvalidParameter;
4162 ptf = GdipAlloc(sizeof(GpPointF) * count);
4164 for(i = 0;i < count; i++){
4165 ptf[i].X = (REAL)points[i].X;
4166 ptf[i].Y = (REAL)points[i].Y;
4169 ret = GdipDrawPolygon(graphics,pen,ptf,count);
4170 GdipFree(ptf);
4172 return ret;
4175 GpStatus WINGDIPAPI GdipGetDpiX(GpGraphics *graphics, REAL* dpi)
4177 TRACE("(%p, %p)\n", graphics, dpi);
4179 if(!graphics || !dpi)
4180 return InvalidParameter;
4182 if(graphics->busy)
4183 return ObjectBusy;
4185 *dpi = (REAL)GetDeviceCaps(graphics->hdc, LOGPIXELSX);
4187 return Ok;
4190 GpStatus WINGDIPAPI GdipGetDpiY(GpGraphics *graphics, REAL* dpi)
4192 TRACE("(%p, %p)\n", graphics, dpi);
4194 if(!graphics || !dpi)
4195 return InvalidParameter;
4197 if(graphics->busy)
4198 return ObjectBusy;
4200 *dpi = (REAL)GetDeviceCaps(graphics->hdc, LOGPIXELSY);
4202 return Ok;
4205 GpStatus WINGDIPAPI GdipMultiplyWorldTransform(GpGraphics *graphics, GDIPCONST GpMatrix *matrix,
4206 GpMatrixOrder order)
4208 GpMatrix m;
4209 GpStatus ret;
4211 TRACE("(%p, %p, %d)\n", graphics, matrix, order);
4213 if(!graphics || !matrix)
4214 return InvalidParameter;
4216 if(graphics->busy)
4217 return ObjectBusy;
4219 m = *(graphics->worldtrans);
4221 ret = GdipMultiplyMatrix(&m, matrix, order);
4222 if(ret == Ok)
4223 *(graphics->worldtrans) = m;
4225 return ret;
4228 GpStatus WINGDIPAPI GdipGetDC(GpGraphics *graphics, HDC *hdc)
4230 TRACE("(%p, %p)\n", graphics, hdc);
4232 if(!graphics || !hdc)
4233 return InvalidParameter;
4235 if(graphics->busy)
4236 return ObjectBusy;
4238 *hdc = graphics->hdc;
4239 graphics->busy = TRUE;
4241 return Ok;
4244 GpStatus WINGDIPAPI GdipReleaseDC(GpGraphics *graphics, HDC hdc)
4246 TRACE("(%p, %p)\n", graphics, hdc);
4248 if(!graphics)
4249 return InvalidParameter;
4251 if(graphics->hdc != hdc || !(graphics->busy))
4252 return InvalidParameter;
4254 graphics->busy = FALSE;
4256 return Ok;
4259 GpStatus WINGDIPAPI GdipGetClip(GpGraphics *graphics, GpRegion *region)
4261 GpRegion *clip;
4262 GpStatus status;
4264 TRACE("(%p, %p)\n", graphics, region);
4266 if(!graphics || !region)
4267 return InvalidParameter;
4269 if(graphics->busy)
4270 return ObjectBusy;
4272 if((status = GdipCloneRegion(graphics->clip, &clip)) != Ok)
4273 return status;
4275 /* free everything except root node and header */
4276 delete_element(&region->node);
4277 memcpy(region, clip, sizeof(GpRegion));
4278 GdipFree(clip);
4280 return Ok;
4283 GpStatus WINGDIPAPI GdipTransformPoints(GpGraphics *graphics, GpCoordinateSpace dst_space,
4284 GpCoordinateSpace src_space, GpPointF *points, INT count)
4286 GpMatrix *matrix;
4287 GpStatus stat;
4288 REAL unitscale;
4290 if(!graphics || !points || count <= 0)
4291 return InvalidParameter;
4293 if(graphics->busy)
4294 return ObjectBusy;
4296 TRACE("(%p, %d, %d, %p, %d)\n", graphics, dst_space, src_space, points, count);
4298 if (src_space == dst_space) return Ok;
4300 stat = GdipCreateMatrix(&matrix);
4301 if (stat == Ok)
4303 unitscale = convert_unit(graphics->hdc, graphics->unit);
4305 if(graphics->unit != UnitDisplay)
4306 unitscale *= graphics->scale;
4308 /* transform from src_space to CoordinateSpacePage */
4309 switch (src_space)
4311 case CoordinateSpaceWorld:
4312 GdipMultiplyMatrix(matrix, graphics->worldtrans, MatrixOrderAppend);
4313 break;
4314 case CoordinateSpacePage:
4315 break;
4316 case CoordinateSpaceDevice:
4317 GdipScaleMatrix(matrix, 1.0/unitscale, 1.0/unitscale, MatrixOrderAppend);
4318 break;
4321 /* transform from CoordinateSpacePage to dst_space */
4322 switch (dst_space)
4324 case CoordinateSpaceWorld:
4326 GpMatrix *inverted_transform;
4327 stat = GdipCloneMatrix(graphics->worldtrans, &inverted_transform);
4328 if (stat == Ok)
4330 stat = GdipInvertMatrix(inverted_transform);
4331 if (stat == Ok)
4332 GdipMultiplyMatrix(matrix, inverted_transform, MatrixOrderAppend);
4333 GdipDeleteMatrix(inverted_transform);
4335 break;
4337 case CoordinateSpacePage:
4338 break;
4339 case CoordinateSpaceDevice:
4340 GdipScaleMatrix(matrix, unitscale, unitscale, MatrixOrderAppend);
4341 break;
4344 if (stat == Ok)
4345 stat = GdipTransformMatrixPoints(matrix, points, count);
4347 GdipDeleteMatrix(matrix);
4350 return stat;
4353 GpStatus WINGDIPAPI GdipTransformPointsI(GpGraphics *graphics, GpCoordinateSpace dst_space,
4354 GpCoordinateSpace src_space, GpPoint *points, INT count)
4356 GpPointF *pointsF;
4357 GpStatus ret;
4358 INT i;
4360 TRACE("(%p, %d, %d, %p, %d)\n", graphics, dst_space, src_space, points, count);
4362 if(count <= 0)
4363 return InvalidParameter;
4365 pointsF = GdipAlloc(sizeof(GpPointF) * count);
4366 if(!pointsF)
4367 return OutOfMemory;
4369 for(i = 0; i < count; i++){
4370 pointsF[i].X = (REAL)points[i].X;
4371 pointsF[i].Y = (REAL)points[i].Y;
4374 ret = GdipTransformPoints(graphics, dst_space, src_space, pointsF, count);
4376 if(ret == Ok)
4377 for(i = 0; i < count; i++){
4378 points[i].X = roundr(pointsF[i].X);
4379 points[i].Y = roundr(pointsF[i].Y);
4381 GdipFree(pointsF);
4383 return ret;
4386 HPALETTE WINGDIPAPI GdipCreateHalftonePalette(void)
4388 FIXME("\n");
4390 return NULL;
4393 /*****************************************************************************
4394 * GdipTranslateClip [GDIPLUS.@]
4396 GpStatus WINGDIPAPI GdipTranslateClip(GpGraphics *graphics, REAL dx, REAL dy)
4398 TRACE("(%p, %.2f, %.2f)\n", graphics, dx, dy);
4400 if(!graphics)
4401 return InvalidParameter;
4403 if(graphics->busy)
4404 return ObjectBusy;
4406 return GdipTranslateRegion(graphics->clip, dx, dy);
4409 /*****************************************************************************
4410 * GdipTranslateClipI [GDIPLUS.@]
4412 GpStatus WINGDIPAPI GdipTranslateClipI(GpGraphics *graphics, INT dx, INT dy)
4414 TRACE("(%p, %d, %d)\n", graphics, dx, dy);
4416 if(!graphics)
4417 return InvalidParameter;
4419 if(graphics->busy)
4420 return ObjectBusy;
4422 return GdipTranslateRegion(graphics->clip, (REAL)dx, (REAL)dy);
4426 /*****************************************************************************
4427 * GdipMeasureDriverString [GDIPLUS.@]
4429 GpStatus WINGDIPAPI GdipMeasureDriverString(GpGraphics *graphics, GDIPCONST UINT16 *text, INT length,
4430 GDIPCONST GpFont *font, GDIPCONST PointF *positions,
4431 INT flags, GDIPCONST GpMatrix *matrix, RectF *boundingBox)
4433 FIXME("(%p %p %d %p %p %d %p %p): stub\n", graphics, text, length, font, positions, flags, matrix, boundingBox);
4434 return NotImplemented;
4437 /*****************************************************************************
4438 * GdipDrawDriverString [GDIPLUS.@]
4440 GpStatus WINGDIPAPI GdipDrawDriverString(GpGraphics *graphics, GDIPCONST UINT16 *text, INT length,
4441 GDIPCONST GpFont *font, GDIPCONST GpBrush *brush,
4442 GDIPCONST PointF *positions, INT flags,
4443 GDIPCONST GpMatrix *matrix )
4445 FIXME("(%p %p %d %p %p %p %d %p): stub\n", graphics, text, length, font, brush, positions, flags, matrix);
4446 return NotImplemented;
4449 /*****************************************************************************
4450 * GdipRecordMetafileI [GDIPLUS.@]
4452 GpStatus WINGDIPAPI GdipRecordMetafileI(HDC hdc, EmfType type, GDIPCONST GpRect *frameRect,
4453 MetafileFrameUnit frameUnit, GDIPCONST WCHAR *desc, GpMetafile **metafile)
4455 FIXME("(%p %d %p %d %p %p): stub\n", hdc, type, frameRect, frameUnit, desc, metafile);
4456 return NotImplemented;
4459 /*****************************************************************************
4460 * GdipIsVisibleClipEmpty [GDIPLUS.@]
4462 GpStatus WINGDIPAPI GdipIsVisibleClipEmpty(GpGraphics *graphics, BOOL *res)
4464 GpStatus stat;
4465 GpRegion* rgn;
4467 TRACE("(%p, %p)\n", graphics, res);
4469 if((stat = GdipCreateRegion(&rgn)) != Ok)
4470 return stat;
4472 if((stat = get_visible_clip_region(graphics, rgn)) != Ok)
4473 goto cleanup;
4475 stat = GdipIsEmptyRegion(rgn, graphics, res);
4477 cleanup:
4478 GdipDeleteRegion(rgn);
4479 return stat;