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
27 #include "wine/unicode.h"
39 #include "gdiplus_private.h"
40 #include "wine/debug.h"
42 WINE_DEFAULT_DEBUG_CHANNEL(gdiplus);
44 /* looks-right constants */
45 #define ANCHOR_WIDTH (2.0)
46 #define MAX_ITERS (50)
48 /* Converts angle (in degrees) to x/y coordinates */
49 static void deg2xy(REAL angle, REAL x_0, REAL y_0, REAL *x, REAL *y)
51 REAL radAngle, hypotenuse;
53 radAngle = deg2rad(angle);
54 hypotenuse = 50.0; /* arbitrary */
56 *x = x_0 + cos(radAngle) * hypotenuse;
57 *y = y_0 + sin(radAngle) * hypotenuse;
60 /* Converts from gdiplus path point type to gdi path point type. */
61 static BYTE convert_path_point_type(BYTE type)
65 switch(type & PathPointTypePathTypeMask){
66 case PathPointTypeBezier:
69 case PathPointTypeLine:
72 case PathPointTypeStart:
76 ERR("Bad point type\n");
80 if(type & PathPointTypeCloseSubpath)
81 ret |= PT_CLOSEFIGURE;
86 static INT prepare_dc(GpGraphics *graphics, GpPen *pen)
90 INT save_state = SaveDC(graphics->hdc), i, numdashes;
92 DWORD dash_array[MAX_DASHLEN];
94 EndPath(graphics->hdc);
96 if(pen->unit == UnitPixel){
100 /* Get an estimate for the amount the pen width is affected by the world
101 * transform. (This is similar to what some of the wine drivers do.) */
106 GdipTransformMatrixPoints(graphics->worldtrans, pt, 2);
107 width = sqrt((pt[1].X - pt[0].X) * (pt[1].X - pt[0].X) +
108 (pt[1].Y - pt[0].Y) * (pt[1].Y - pt[0].Y)) / sqrt(2.0);
110 width *= pen->width * convert_unit(graphics->hdc,
111 pen->unit == UnitWorld ? graphics->unit : pen->unit);
114 if(pen->dash == DashStyleCustom){
115 numdashes = min(pen->numdashes, MAX_DASHLEN);
117 TRACE("dashes are: ");
118 for(i = 0; i < numdashes; i++){
119 dash_array[i] = roundr(width * pen->dashes[i]);
120 TRACE("%d, ", dash_array[i]);
122 TRACE("\n and the pen style is %x\n", pen->style);
124 gdipen = ExtCreatePen(pen->style, roundr(width), &pen->brush->lb,
125 numdashes, dash_array);
128 gdipen = ExtCreatePen(pen->style, roundr(width), &pen->brush->lb, 0, NULL);
130 SelectObject(graphics->hdc, gdipen);
135 static void restore_dc(GpGraphics *graphics, INT state)
137 DeleteObject(SelectObject(graphics->hdc, GetStockObject(NULL_PEN)));
138 RestoreDC(graphics->hdc, state);
141 /* This helper applies all the changes that the points listed in ptf need in
142 * order to be drawn on the device context. In the end, this should include at
144 * -scaling by page unit
145 * -applying world transformation
146 * -converting from float to int
147 * Native gdiplus uses gdi32 to do all this (via SetMapMode, SetViewportExtEx,
148 * SetWindowExtEx, SetWorldTransform, etc.) but we cannot because we are using
149 * gdi to draw, and these functions would irreparably mess with line widths.
151 static void transform_and_round_points(GpGraphics *graphics, POINT *pti,
152 GpPointF *ptf, INT count)
158 unitscale = convert_unit(graphics->hdc, graphics->unit);
160 /* apply page scale */
161 if(graphics->unit != UnitDisplay)
162 unitscale *= graphics->scale;
164 GdipCloneMatrix(graphics->worldtrans, &matrix);
165 GdipScaleMatrix(matrix, unitscale, unitscale, MatrixOrderAppend);
166 GdipTransformMatrixPoints(matrix, ptf, count);
167 GdipDeleteMatrix(matrix);
169 for(i = 0; i < count; i++){
170 pti[i].x = roundr(ptf[i].X);
171 pti[i].y = roundr(ptf[i].Y);
175 /* GdipDrawPie/GdipFillPie helper function */
176 static void draw_pie(GpGraphics *graphics, REAL x, REAL y, REAL width,
177 REAL height, REAL startAngle, REAL sweepAngle)
184 ptf[1].X = x + width;
185 ptf[1].Y = y + height;
187 deg2xy(startAngle+sweepAngle, x + width / 2.0, y + width / 2.0, &ptf[2].X, &ptf[2].Y);
188 deg2xy(startAngle, x + width / 2.0, y + width / 2.0, &ptf[3].X, &ptf[3].Y);
190 transform_and_round_points(graphics, pti, ptf, 4);
192 Pie(graphics->hdc, pti[0].x, pti[0].y, pti[1].x, pti[1].y, pti[2].x,
193 pti[2].y, pti[3].x, pti[3].y);
196 /* Draws the linecap the specified color and size on the hdc. The linecap is in
197 * direction of the line from x1, y1 to x2, y2 and is anchored on x2, y2. Probably
198 * should not be called on an hdc that has a path you care about. */
199 static void draw_cap(GpGraphics *graphics, COLORREF color, GpLineCap cap, REAL size,
200 const GpCustomLineCap *custom, REAL x1, REAL y1, REAL x2, REAL y2)
202 HGDIOBJ oldbrush = NULL, oldpen = NULL;
203 GpMatrix *matrix = NULL;
206 PointF ptf[4], *custptf = NULL;
207 POINT pt[4], *custpt = NULL;
209 REAL theta, dsmall, dbig, dx, dy = 0.0;
214 if((x1 == x2) && (y1 == y2))
217 theta = gdiplus_atan2(y2 - y1, x2 - x1);
219 customstroke = (cap == LineCapCustom) && custom && (!custom->fill);
221 brush = CreateSolidBrush(color);
222 lb.lbStyle = BS_SOLID;
225 pen = ExtCreatePen(PS_GEOMETRIC | PS_SOLID | PS_ENDCAP_FLAT |
226 PS_JOIN_MITER, 1, &lb, 0,
228 oldbrush = SelectObject(graphics->hdc, brush);
229 oldpen = SelectObject(graphics->hdc, pen);
236 case LineCapSquareAnchor:
237 case LineCapDiamondAnchor:
238 size = size * (cap & LineCapNoAnchor ? ANCHOR_WIDTH : 1.0) / 2.0;
239 if(cap == LineCapDiamondAnchor){
240 dsmall = cos(theta + M_PI_2) * size;
241 dbig = sin(theta + M_PI_2) * size;
244 dsmall = cos(theta + M_PI_4) * size;
245 dbig = sin(theta + M_PI_4) * size;
248 ptf[0].X = x2 - dsmall;
249 ptf[1].X = x2 + dbig;
251 ptf[0].Y = y2 - dbig;
252 ptf[3].Y = y2 + dsmall;
254 ptf[1].Y = y2 - dsmall;
255 ptf[2].Y = y2 + dbig;
257 ptf[3].X = x2 - dbig;
258 ptf[2].X = x2 + dsmall;
260 transform_and_round_points(graphics, pt, ptf, 4);
261 Polygon(graphics->hdc, pt, 4);
264 case LineCapArrowAnchor:
265 size = size * 4.0 / sqrt(3.0);
267 dx = cos(M_PI / 6.0 + theta) * size;
268 dy = sin(M_PI / 6.0 + theta) * size;
273 dx = cos(- M_PI / 6.0 + theta) * size;
274 dy = sin(- M_PI / 6.0 + theta) * size;
282 transform_and_round_points(graphics, pt, ptf, 3);
283 Polygon(graphics->hdc, pt, 3);
286 case LineCapRoundAnchor:
287 dx = dy = ANCHOR_WIDTH * size / 2.0;
294 transform_and_round_points(graphics, pt, ptf, 2);
295 Ellipse(graphics->hdc, pt[0].x, pt[0].y, pt[1].x, pt[1].y);
298 case LineCapTriangle:
300 dx = cos(M_PI_2 + theta) * size;
301 dy = sin(M_PI_2 + theta) * size;
308 dx = cos(theta) * size;
309 dy = sin(theta) * size;
314 transform_and_round_points(graphics, pt, ptf, 3);
315 Polygon(graphics->hdc, pt, 3);
319 dx = dy = size / 2.0;
326 dx = -cos(M_PI_2 + theta) * size;
327 dy = -sin(M_PI_2 + theta) * size;
334 transform_and_round_points(graphics, pt, ptf, 4);
335 Pie(graphics->hdc, pt[0].x, pt[0].y, pt[1].x, pt[1].y, pt[2].x,
336 pt[2].y, pt[3].x, pt[3].y);
343 count = custom->pathdata.Count;
344 custptf = GdipAlloc(count * sizeof(PointF));
345 custpt = GdipAlloc(count * sizeof(POINT));
346 tp = GdipAlloc(count);
348 if(!custptf || !custpt || !tp || (GdipCreateMatrix(&matrix) != Ok))
351 memcpy(custptf, custom->pathdata.Points, count * sizeof(PointF));
353 GdipScaleMatrix(matrix, size, size, MatrixOrderAppend);
354 GdipRotateMatrix(matrix, (180.0 / M_PI) * (theta - M_PI_2),
356 GdipTranslateMatrix(matrix, x2, y2, MatrixOrderAppend);
357 GdipTransformMatrixPoints(matrix, custptf, count);
359 transform_and_round_points(graphics, custpt, custptf, count);
361 for(i = 0; i < count; i++)
362 tp[i] = convert_path_point_type(custom->pathdata.Types[i]);
365 BeginPath(graphics->hdc);
366 PolyDraw(graphics->hdc, custpt, tp, count);
367 EndPath(graphics->hdc);
368 StrokeAndFillPath(graphics->hdc);
371 PolyDraw(graphics->hdc, custpt, tp, count);
377 GdipDeleteMatrix(matrix);
384 SelectObject(graphics->hdc, oldbrush);
385 SelectObject(graphics->hdc, oldpen);
391 /* Shortens the line by the given percent by changing x2, y2.
392 * If percent is > 1.0 then the line will change direction.
393 * If percent is negative it can lengthen the line. */
394 static void shorten_line_percent(REAL x1, REAL y1, REAL *x2, REAL *y2, REAL percent)
396 REAL dist, theta, dx, dy;
398 if((y1 == *y2) && (x1 == *x2))
401 dist = sqrt((*x2 - x1) * (*x2 - x1) + (*y2 - y1) * (*y2 - y1)) * -percent;
402 theta = gdiplus_atan2((*y2 - y1), (*x2 - x1));
403 dx = cos(theta) * dist;
404 dy = sin(theta) * dist;
410 /* Shortens the line by the given amount by changing x2, y2.
411 * If the amount is greater than the distance, the line will become length 0.
412 * If the amount is negative, it can lengthen the line. */
413 static void shorten_line_amt(REAL x1, REAL y1, REAL *x2, REAL *y2, REAL amt)
415 REAL dx, dy, percent;
419 if(dx == 0 && dy == 0)
422 percent = amt / sqrt(dx * dx + dy * dy);
429 shorten_line_percent(x1, y1, x2, y2, percent);
432 /* Draws lines between the given points, and if caps is true then draws an endcap
433 * at the end of the last line. */
434 static GpStatus draw_polyline(GpGraphics *graphics, GpPen *pen,
435 GDIPCONST GpPointF * pt, INT count, BOOL caps)
438 GpPointF *ptcopy = NULL;
439 GpStatus status = GenericError;
444 pti = GdipAlloc(count * sizeof(POINT));
445 ptcopy = GdipAlloc(count * sizeof(GpPointF));
448 status = OutOfMemory;
452 memcpy(ptcopy, pt, count * sizeof(GpPointF));
455 if(pen->endcap == LineCapArrowAnchor)
456 shorten_line_amt(ptcopy[count-2].X, ptcopy[count-2].Y,
457 &ptcopy[count-1].X, &ptcopy[count-1].Y, pen->width);
458 else if((pen->endcap == LineCapCustom) && pen->customend)
459 shorten_line_amt(ptcopy[count-2].X, ptcopy[count-2].Y,
460 &ptcopy[count-1].X, &ptcopy[count-1].Y,
461 pen->customend->inset * pen->width);
463 if(pen->startcap == LineCapArrowAnchor)
464 shorten_line_amt(ptcopy[1].X, ptcopy[1].Y,
465 &ptcopy[0].X, &ptcopy[0].Y, pen->width);
466 else if((pen->startcap == LineCapCustom) && pen->customstart)
467 shorten_line_amt(ptcopy[1].X, ptcopy[1].Y,
468 &ptcopy[0].X, &ptcopy[0].Y,
469 pen->customstart->inset * pen->width);
471 draw_cap(graphics, pen->brush->lb.lbColor, pen->endcap, pen->width, pen->customend,
472 pt[count - 2].X, pt[count - 2].Y, pt[count - 1].X, pt[count - 1].Y);
473 draw_cap(graphics, pen->brush->lb.lbColor, pen->startcap, pen->width, pen->customstart,
474 pt[1].X, pt[1].Y, pt[0].X, pt[0].Y);
477 transform_and_round_points(graphics, pti, ptcopy, count);
479 if(Polyline(graphics->hdc, pti, count))
489 /* Conducts a linear search to find the bezier points that will back off
490 * the endpoint of the curve by a distance of amt. Linear search works
491 * better than binary in this case because there are multiple solutions,
492 * and binary searches often find a bad one. I don't think this is what
493 * Windows does but short of rendering the bezier without GDI's help it's
494 * the best we can do. If rev then work from the start of the passed points
495 * instead of the end. */
496 static void shorten_bezier_amt(GpPointF * pt, REAL amt, BOOL rev)
499 REAL percent = 0.00, dx, dy, origx, origy, diff = -1.0;
500 INT i, first = 0, second = 1, third = 2, fourth = 3;
509 origx = pt[fourth].X;
510 origy = pt[fourth].Y;
511 memcpy(origpt, pt, sizeof(GpPointF) * 4);
513 for(i = 0; (i < MAX_ITERS) && (diff < amt); i++){
514 /* reset bezier points to original values */
515 memcpy(pt, origpt, sizeof(GpPointF) * 4);
516 /* Perform magic on bezier points. Order is important here.*/
517 shorten_line_percent(pt[third].X, pt[third].Y, &pt[fourth].X, &pt[fourth].Y, percent);
518 shorten_line_percent(pt[second].X, pt[second].Y, &pt[third].X, &pt[third].Y, percent);
519 shorten_line_percent(pt[third].X, pt[third].Y, &pt[fourth].X, &pt[fourth].Y, percent);
520 shorten_line_percent(pt[first].X, pt[first].Y, &pt[second].X, &pt[second].Y, percent);
521 shorten_line_percent(pt[second].X, pt[second].Y, &pt[third].X, &pt[third].Y, percent);
522 shorten_line_percent(pt[third].X, pt[third].Y, &pt[fourth].X, &pt[fourth].Y, percent);
524 dx = pt[fourth].X - origx;
525 dy = pt[fourth].Y - origy;
527 diff = sqrt(dx * dx + dy * dy);
528 percent += 0.0005 * amt;
532 /* Draws bezier curves between given points, and if caps is true then draws an
533 * endcap at the end of the last line. */
534 static GpStatus draw_polybezier(GpGraphics *graphics, GpPen *pen,
535 GDIPCONST GpPointF * pt, INT count, BOOL caps)
539 GpStatus status = GenericError;
544 pti = GdipAlloc(count * sizeof(POINT));
545 ptcopy = GdipAlloc(count * sizeof(GpPointF));
548 status = OutOfMemory;
552 memcpy(ptcopy, pt, count * sizeof(GpPointF));
555 if(pen->endcap == LineCapArrowAnchor)
556 shorten_bezier_amt(&ptcopy[count-4], pen->width, FALSE);
557 else if((pen->endcap == LineCapCustom) && pen->customend)
558 shorten_bezier_amt(&ptcopy[count-4], pen->width * pen->customend->inset,
561 if(pen->startcap == LineCapArrowAnchor)
562 shorten_bezier_amt(ptcopy, pen->width, TRUE);
563 else if((pen->startcap == LineCapCustom) && pen->customstart)
564 shorten_bezier_amt(ptcopy, pen->width * pen->customstart->inset, TRUE);
566 /* the direction of the line cap is parallel to the direction at the
567 * end of the bezier (which, if it has been shortened, is not the same
568 * as the direction from pt[count-2] to pt[count-1]) */
569 draw_cap(graphics, pen->brush->lb.lbColor, pen->endcap, pen->width, pen->customend,
570 pt[count - 1].X - (ptcopy[count - 1].X - ptcopy[count - 2].X),
571 pt[count - 1].Y - (ptcopy[count - 1].Y - ptcopy[count - 2].Y),
572 pt[count - 1].X, pt[count - 1].Y);
574 draw_cap(graphics, pen->brush->lb.lbColor, pen->startcap, pen->width, pen->customstart,
575 pt[0].X - (ptcopy[0].X - ptcopy[1].X),
576 pt[0].Y - (ptcopy[0].Y - ptcopy[1].Y), pt[0].X, pt[0].Y);
579 transform_and_round_points(graphics, pti, ptcopy, count);
581 PolyBezier(graphics->hdc, pti, count);
592 /* Draws a combination of bezier curves and lines between points. */
593 static GpStatus draw_poly(GpGraphics *graphics, GpPen *pen, GDIPCONST GpPointF * pt,
594 GDIPCONST BYTE * types, INT count, BOOL caps)
596 POINT *pti = GdipAlloc(count * sizeof(POINT));
597 BYTE *tp = GdipAlloc(count);
598 GpPointF *ptcopy = GdipAlloc(count * sizeof(GpPointF));
600 GpStatus status = GenericError;
606 if(!pti || !tp || !ptcopy){
607 status = OutOfMemory;
611 for(i = 1; i < count; i++){
612 if((types[i] & PathPointTypePathTypeMask) == PathPointTypeBezier){
613 if((i + 2 >= count) || !(types[i + 1] & PathPointTypeBezier)
614 || !(types[i + 1] & PathPointTypeBezier)){
615 ERR("Bad bezier points\n");
622 memcpy(ptcopy, pt, count * sizeof(GpPointF));
624 /* If we are drawing caps, go through the points and adjust them accordingly,
625 * and draw the caps. */
627 switch(types[count - 1] & PathPointTypePathTypeMask){
628 case PathPointTypeBezier:
629 if(pen->endcap == LineCapArrowAnchor)
630 shorten_bezier_amt(&ptcopy[count - 4], pen->width, FALSE);
631 else if((pen->endcap == LineCapCustom) && pen->customend)
632 shorten_bezier_amt(&ptcopy[count - 4],
633 pen->width * pen->customend->inset, FALSE);
635 draw_cap(graphics, pen->brush->lb.lbColor, pen->endcap, pen->width, pen->customend,
636 pt[count - 1].X - (ptcopy[count - 1].X - ptcopy[count - 2].X),
637 pt[count - 1].Y - (ptcopy[count - 1].Y - ptcopy[count - 2].Y),
638 pt[count - 1].X, pt[count - 1].Y);
641 case PathPointTypeLine:
642 if(pen->endcap == LineCapArrowAnchor)
643 shorten_line_amt(ptcopy[count - 2].X, ptcopy[count - 2].Y,
644 &ptcopy[count - 1].X, &ptcopy[count - 1].Y,
646 else if((pen->endcap == LineCapCustom) && pen->customend)
647 shorten_line_amt(ptcopy[count - 2].X, ptcopy[count - 2].Y,
648 &ptcopy[count - 1].X, &ptcopy[count - 1].Y,
649 pen->customend->inset * pen->width);
651 draw_cap(graphics, pen->brush->lb.lbColor, pen->endcap, pen->width, pen->customend,
652 pt[count - 2].X, pt[count - 2].Y, pt[count - 1].X,
657 ERR("Bad path last point\n");
661 /* Find start of points */
662 for(j = 1; j < count && ((types[j] & PathPointTypePathTypeMask)
663 == PathPointTypeStart); j++);
665 switch(types[j] & PathPointTypePathTypeMask){
666 case PathPointTypeBezier:
667 if(pen->startcap == LineCapArrowAnchor)
668 shorten_bezier_amt(&ptcopy[j - 1], pen->width, TRUE);
669 else if((pen->startcap == LineCapCustom) && pen->customstart)
670 shorten_bezier_amt(&ptcopy[j - 1],
671 pen->width * pen->customstart->inset, TRUE);
673 draw_cap(graphics, pen->brush->lb.lbColor, pen->startcap, pen->width, pen->customstart,
674 pt[j - 1].X - (ptcopy[j - 1].X - ptcopy[j].X),
675 pt[j - 1].Y - (ptcopy[j - 1].Y - ptcopy[j].Y),
676 pt[j - 1].X, pt[j - 1].Y);
679 case PathPointTypeLine:
680 if(pen->startcap == LineCapArrowAnchor)
681 shorten_line_amt(ptcopy[j].X, ptcopy[j].Y,
682 &ptcopy[j - 1].X, &ptcopy[j - 1].Y,
684 else if((pen->startcap == LineCapCustom) && pen->customstart)
685 shorten_line_amt(ptcopy[j].X, ptcopy[j].Y,
686 &ptcopy[j - 1].X, &ptcopy[j - 1].Y,
687 pen->customstart->inset * pen->width);
689 draw_cap(graphics, pen->brush->lb.lbColor, pen->startcap, pen->width, pen->customstart,
690 pt[j].X, pt[j].Y, pt[j - 1].X,
695 ERR("Bad path points\n");
700 transform_and_round_points(graphics, pti, ptcopy, count);
702 for(i = 0; i < count; i++){
703 tp[i] = convert_path_point_type(types[i]);
706 PolyDraw(graphics->hdc, pti, tp, count);
718 GpStatus WINGDIPAPI GdipCreateFromHDC(HDC hdc, GpGraphics **graphics)
720 return GdipCreateFromHDC2(hdc, NULL, graphics);
723 GpStatus WINGDIPAPI GdipCreateFromHDC2(HDC hdc, HANDLE hDevice, GpGraphics **graphics)
727 if(hDevice != NULL) {
728 FIXME("Don't know how to hadle parameter hDevice\n");
729 return NotImplemented;
736 return InvalidParameter;
738 *graphics = GdipAlloc(sizeof(GpGraphics));
739 if(!*graphics) return OutOfMemory;
741 if((retval = GdipCreateMatrix(&(*graphics)->worldtrans)) != Ok){
746 if((retval = GdipCreateRegion(&(*graphics)->clip)) != Ok){
747 GdipFree((*graphics)->worldtrans);
752 (*graphics)->hdc = hdc;
753 (*graphics)->hwnd = NULL;
754 (*graphics)->smoothing = SmoothingModeDefault;
755 (*graphics)->compqual = CompositingQualityDefault;
756 (*graphics)->interpolation = InterpolationModeDefault;
757 (*graphics)->pixeloffset = PixelOffsetModeDefault;
758 (*graphics)->compmode = CompositingModeSourceOver;
759 (*graphics)->unit = UnitDisplay;
760 (*graphics)->scale = 1.0;
761 (*graphics)->busy = FALSE;
766 GpStatus WINGDIPAPI GdipCreateFromHWND(HWND hwnd, GpGraphics **graphics)
770 if((ret = GdipCreateFromHDC(GetDC(hwnd), graphics)) != Ok)
773 (*graphics)->hwnd = hwnd;
778 /* FIXME: no icm handling */
779 GpStatus WINGDIPAPI GdipCreateFromHWNDICM(HWND hwnd, GpGraphics **graphics)
781 return GdipCreateFromHWND(hwnd, graphics);
784 GpStatus WINGDIPAPI GdipCreateMetafileFromEmf(HENHMETAFILE hemf, BOOL delete,
785 GpMetafile **metafile)
789 if(!hemf || !metafile)
790 return InvalidParameter;
793 FIXME("not implemented\n");
795 return NotImplemented;
798 GpStatus WINGDIPAPI GdipCreateMetafileFromWmf(HMETAFILE hwmf, BOOL delete,
799 GDIPCONST WmfPlaceableFileHeader * placeable, GpMetafile **metafile)
801 IStream *stream = NULL;
805 GpStatus retval = GenericError;
807 if(!hwmf || !metafile || !placeable)
808 return InvalidParameter;
811 read = GetMetaFileBitsEx(hwmf, 0, NULL);
814 copy = GdipAlloc(read);
815 GetMetaFileBitsEx(hwmf, read, copy);
817 hemf = SetWinMetaFileBits(read, copy, NULL, NULL);
820 read = GetEnhMetaFileBits(hemf, 0, NULL);
821 copy = GdipAlloc(read);
822 GetEnhMetaFileBits(hemf, read, copy);
823 DeleteEnhMetaFile(hemf);
825 if(CreateStreamOnHGlobal(copy, TRUE, &stream) != S_OK){
826 ERR("could not make stream\n");
831 *metafile = GdipAlloc(sizeof(GpMetafile));
833 retval = OutOfMemory;
837 if(OleLoadPicture(stream, 0, FALSE, &IID_IPicture,
838 (LPVOID*) &((*metafile)->image.picture)) != S_OK)
842 (*metafile)->image.type = ImageTypeMetafile;
843 (*metafile)->bounds.X = ((REAL) placeable->BoundingBox.Left) / ((REAL) placeable->Inch);
844 (*metafile)->bounds.Y = ((REAL) placeable->BoundingBox.Right) / ((REAL) placeable->Inch);
845 (*metafile)->bounds.Width = ((REAL) (placeable->BoundingBox.Right
846 - placeable->BoundingBox.Left)) / ((REAL) placeable->Inch);
847 (*metafile)->bounds.Height = ((REAL) (placeable->BoundingBox.Bottom
848 - placeable->BoundingBox.Top)) / ((REAL) placeable->Inch);
849 (*metafile)->unit = UnitInch;
852 DeleteMetaFile(hwmf);
858 IStream_Release(stream);
862 GpStatus WINGDIPAPI GdipCreateMetafileFromWmfFile(GDIPCONST WCHAR *file,
863 GDIPCONST WmfPlaceableFileHeader * placeable, GpMetafile **metafile)
865 HMETAFILE hmf = GetMetaFileW(file);
867 TRACE("(%s, %p, %p)\n", debugstr_w(file), placeable, metafile);
869 if(!hmf) return InvalidParameter;
871 return GdipCreateMetafileFromWmf(hmf, TRUE, placeable, metafile);
874 GpStatus WINGDIPAPI GdipCreateStreamOnFile(GDIPCONST WCHAR * filename,
875 UINT access, IStream **stream)
880 if(!stream || !filename)
881 return InvalidParameter;
883 if(access & GENERIC_WRITE)
884 dwMode = STGM_SHARE_DENY_WRITE | STGM_WRITE | STGM_CREATE;
885 else if(access & GENERIC_READ)
886 dwMode = STGM_SHARE_DENY_WRITE | STGM_READ | STGM_FAILIFTHERE;
888 return InvalidParameter;
890 ret = SHCreateStreamOnFileW(filename, dwMode, stream);
892 return hresult_to_status(ret);
895 GpStatus WINGDIPAPI GdipDeleteGraphics(GpGraphics *graphics)
897 if(!graphics) return InvalidParameter;
898 if(graphics->busy) return ObjectBusy;
901 ReleaseDC(graphics->hwnd, graphics->hdc);
903 GdipDeleteRegion(graphics->clip);
904 GdipDeleteMatrix(graphics->worldtrans);
910 GpStatus WINGDIPAPI GdipDrawArc(GpGraphics *graphics, GpPen *pen, REAL x,
911 REAL y, REAL width, REAL height, REAL startAngle, REAL sweepAngle)
913 INT save_state, num_pts;
914 GpPointF points[MAX_ARC_PTS];
917 if(!graphics || !pen || width <= 0 || height <= 0)
918 return InvalidParameter;
923 num_pts = arc2polybezier(points, x, y, width, height, startAngle, sweepAngle);
925 save_state = prepare_dc(graphics, pen);
927 retval = draw_polybezier(graphics, pen, points, num_pts, TRUE);
929 restore_dc(graphics, save_state);
934 GpStatus WINGDIPAPI GdipDrawArcI(GpGraphics *graphics, GpPen *pen, INT x,
935 INT y, INT width, INT height, REAL startAngle, REAL sweepAngle)
937 return GdipDrawArc(graphics,pen,(REAL)x,(REAL)y,(REAL)width,(REAL)height,startAngle,sweepAngle);
940 GpStatus WINGDIPAPI GdipDrawBezier(GpGraphics *graphics, GpPen *pen, REAL x1,
941 REAL y1, REAL x2, REAL y2, REAL x3, REAL y3, REAL x4, REAL y4)
947 if(!graphics || !pen)
948 return InvalidParameter;
962 save_state = prepare_dc(graphics, pen);
964 retval = draw_polybezier(graphics, pen, pt, 4, TRUE);
966 restore_dc(graphics, save_state);
971 GpStatus WINGDIPAPI GdipDrawBezierI(GpGraphics *graphics, GpPen *pen, INT x1,
972 INT y1, INT x2, INT y2, INT x3, INT y3, INT x4, INT y4)
978 if(!graphics || !pen)
979 return InvalidParameter;
993 save_state = prepare_dc(graphics, pen);
995 retval = draw_polybezier(graphics, pen, pt, 4, TRUE);
997 restore_dc(graphics, save_state);
1002 GpStatus WINGDIPAPI GdipDrawBeziers(GpGraphics *graphics, GpPen *pen,
1003 GDIPCONST GpPointF *points, INT count)
1008 if(!graphics || !pen || !points || (count <= 0))
1009 return InvalidParameter;
1014 for(i = 0; i < floor(count / 4); i++){
1015 ret = GdipDrawBezier(graphics, pen,
1016 points[4*i].X, points[4*i].Y,
1017 points[4*i + 1].X, points[4*i + 1].Y,
1018 points[4*i + 2].X, points[4*i + 2].Y,
1019 points[4*i + 3].X, points[4*i + 3].Y);
1027 GpStatus WINGDIPAPI GdipDrawBeziersI(GpGraphics *graphics, GpPen *pen,
1028 GDIPCONST GpPoint *points, INT count)
1034 if(!graphics || !pen || !points || (count <= 0))
1035 return InvalidParameter;
1040 pts = GdipAlloc(sizeof(GpPointF) * count);
1044 for(i = 0; i < count; i++){
1045 pts[i].X = (REAL)points[i].X;
1046 pts[i].Y = (REAL)points[i].Y;
1049 ret = GdipDrawBeziers(graphics,pen,pts,count);
1056 GpStatus WINGDIPAPI GdipDrawClosedCurve(GpGraphics *graphics, GpPen *pen,
1057 GDIPCONST GpPointF *points, INT count)
1059 return GdipDrawClosedCurve2(graphics, pen, points, count, 1.0);
1062 GpStatus WINGDIPAPI GdipDrawClosedCurveI(GpGraphics *graphics, GpPen *pen,
1063 GDIPCONST GpPoint *points, INT count)
1065 return GdipDrawClosedCurve2I(graphics, pen, points, count, 1.0);
1068 GpStatus WINGDIPAPI GdipDrawClosedCurve2(GpGraphics *graphics, GpPen *pen,
1069 GDIPCONST GpPointF *points, INT count, REAL tension)
1074 if(!graphics || !pen || !points || count <= 0)
1075 return InvalidParameter;
1080 /* make a full points copy.. */
1081 ptf = GdipAlloc(sizeof(GpPointF)*(count+1));
1084 memcpy(ptf, points, sizeof(GpPointF)*count);
1086 /* ..and add a first point as a last one */
1087 ptf[count] = ptf[0];
1089 stat = GdipDrawCurve2(graphics, pen, ptf, count + 1, tension);
1096 GpStatus WINGDIPAPI GdipDrawClosedCurve2I(GpGraphics *graphics, GpPen *pen,
1097 GDIPCONST GpPoint *points, INT count, REAL tension)
1103 if(!points || count <= 0)
1104 return InvalidParameter;
1106 ptf = GdipAlloc(sizeof(GpPointF)*count);
1110 for(i = 0; i < count; i++){
1111 ptf[i].X = (REAL)points[i].X;
1112 ptf[i].Y = (REAL)points[i].Y;
1115 stat = GdipDrawClosedCurve2(graphics, pen, ptf, count, tension);
1122 GpStatus WINGDIPAPI GdipDrawCurve(GpGraphics *graphics, GpPen *pen,
1123 GDIPCONST GpPointF *points, INT count)
1125 return GdipDrawCurve2(graphics,pen,points,count,1.0);
1128 GpStatus WINGDIPAPI GdipDrawCurveI(GpGraphics *graphics, GpPen *pen,
1129 GDIPCONST GpPoint *points, INT count)
1135 if(!points || count <= 0)
1136 return InvalidParameter;
1138 pointsF = GdipAlloc(sizeof(GpPointF)*count);
1142 for(i = 0; i < count; i++){
1143 pointsF[i].X = (REAL)points[i].X;
1144 pointsF[i].Y = (REAL)points[i].Y;
1147 ret = GdipDrawCurve(graphics,pen,pointsF,count);
1153 /* Approximates cardinal spline with Bezier curves. */
1154 GpStatus WINGDIPAPI GdipDrawCurve2(GpGraphics *graphics, GpPen *pen,
1155 GDIPCONST GpPointF *points, INT count, REAL tension)
1157 /* PolyBezier expects count*3-2 points. */
1158 INT i, len_pt = count*3-2, save_state;
1160 REAL x1, x2, y1, y2;
1163 if(!graphics || !pen)
1164 return InvalidParameter;
1169 pt = GdipAlloc(len_pt * sizeof(GpPointF));
1170 tension = tension * TENSION_CONST;
1172 calc_curve_bezier_endp(points[0].X, points[0].Y, points[1].X, points[1].Y,
1175 pt[0].X = points[0].X;
1176 pt[0].Y = points[0].Y;
1180 for(i = 0; i < count-2; i++){
1181 calc_curve_bezier(&(points[i]), tension, &x1, &y1, &x2, &y2);
1185 pt[3*i+3].X = points[i+1].X;
1186 pt[3*i+3].Y = points[i+1].Y;
1191 calc_curve_bezier_endp(points[count-1].X, points[count-1].Y,
1192 points[count-2].X, points[count-2].Y, tension, &x1, &y1);
1194 pt[len_pt-2].X = x1;
1195 pt[len_pt-2].Y = y1;
1196 pt[len_pt-1].X = points[count-1].X;
1197 pt[len_pt-1].Y = points[count-1].Y;
1199 save_state = prepare_dc(graphics, pen);
1201 retval = draw_polybezier(graphics, pen, pt, len_pt, TRUE);
1204 restore_dc(graphics, save_state);
1209 GpStatus WINGDIPAPI GdipDrawCurve2I(GpGraphics *graphics, GpPen *pen,
1210 GDIPCONST GpPoint *points, INT count, REAL tension)
1216 if(!points || count <= 0)
1217 return InvalidParameter;
1219 pointsF = GdipAlloc(sizeof(GpPointF)*count);
1223 for(i = 0; i < count; i++){
1224 pointsF[i].X = (REAL)points[i].X;
1225 pointsF[i].Y = (REAL)points[i].Y;
1228 ret = GdipDrawCurve2(graphics,pen,pointsF,count,tension);
1234 GpStatus WINGDIPAPI GdipDrawEllipse(GpGraphics *graphics, GpPen *pen, REAL x,
1235 REAL y, REAL width, REAL height)
1241 if(!graphics || !pen)
1242 return InvalidParameter;
1249 ptf[1].X = x + width;
1250 ptf[1].Y = y + height;
1252 save_state = prepare_dc(graphics, pen);
1253 SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
1255 transform_and_round_points(graphics, pti, ptf, 2);
1257 Ellipse(graphics->hdc, pti[0].x, pti[0].y, pti[1].x, pti[1].y);
1259 restore_dc(graphics, save_state);
1264 GpStatus WINGDIPAPI GdipDrawEllipseI(GpGraphics *graphics, GpPen *pen, INT x,
1265 INT y, INT width, INT height)
1267 return GdipDrawEllipse(graphics,pen,(REAL)x,(REAL)y,(REAL)width,(REAL)height);
1271 GpStatus WINGDIPAPI GdipDrawImage(GpGraphics *graphics, GpImage *image, REAL x, REAL y)
1273 /* IPicture::Render uses LONG coords */
1274 return GdipDrawImageI(graphics,image,roundr(x),roundr(y));
1277 GpStatus WINGDIPAPI GdipDrawImageI(GpGraphics *graphics, GpImage *image, INT x,
1280 UINT width, height, srcw, srch;
1282 if(!graphics || !image)
1283 return InvalidParameter;
1285 GdipGetImageWidth(image, &width);
1286 GdipGetImageHeight(image, &height);
1288 srcw = width * (((REAL) INCH_HIMETRIC) /
1289 ((REAL) GetDeviceCaps(graphics->hdc, LOGPIXELSX)));
1290 srch = height * (((REAL) INCH_HIMETRIC) /
1291 ((REAL) GetDeviceCaps(graphics->hdc, LOGPIXELSY)));
1293 if(image->type != ImageTypeMetafile){
1298 IPicture_Render(image->picture, graphics->hdc, x, y, width, height,
1299 0, 0, srcw, srch, NULL);
1304 /* FIXME: partially implemented (only works for rectangular parallelograms) */
1305 GpStatus WINGDIPAPI GdipDrawImagePointsRect(GpGraphics *graphics, GpImage *image,
1306 GDIPCONST GpPointF *points, INT count, REAL srcx, REAL srcy, REAL srcwidth,
1307 REAL srcheight, GpUnit srcUnit, GDIPCONST GpImageAttributes* imageAttributes,
1308 DrawImageAbort callback, VOID * callbackData)
1314 TRACE("%p %p %p %d %f %f %f %f %d %p %p %p\n", graphics, image, points, count,
1315 srcx, srcy, srcwidth, srcheight, srcUnit, imageAttributes, callback,
1318 if(!graphics || !image || !points || count != 3)
1319 return InvalidParameter;
1321 if(srcUnit == UnitInch)
1322 dx = dy = (REAL) INCH_HIMETRIC;
1323 else if(srcUnit == UnitPixel){
1324 dx = ((REAL) INCH_HIMETRIC) /
1325 ((REAL) GetDeviceCaps(graphics->hdc, LOGPIXELSX));
1326 dy = ((REAL) INCH_HIMETRIC) /
1327 ((REAL) GetDeviceCaps(graphics->hdc, LOGPIXELSY));
1330 return NotImplemented;
1332 memcpy(ptf, points, 3 * sizeof(GpPointF));
1333 transform_and_round_points(graphics, pti, ptf, 3);
1335 /* IPicture renders bitmaps with the y-axis reversed
1336 * FIXME: flipping for unknown image type might not be correct. */
1337 if(image->type != ImageTypeMetafile){
1340 pti[0].y = pti[2].y;
1344 if(IPicture_Render(image->picture, graphics->hdc,
1345 pti[0].x, pti[0].y, pti[1].x - pti[0].x, pti[2].y - pti[0].y,
1346 srcx * dx, srcy * dy,
1347 srcwidth * dx, srcheight * dy,
1350 callback(callbackData);
1351 return GenericError;
1357 GpStatus WINGDIPAPI GdipDrawImagePointsRectI(GpGraphics *graphics, GpImage *image,
1358 GDIPCONST GpPoint *points, INT count, INT srcx, INT srcy, INT srcwidth,
1359 INT srcheight, GpUnit srcUnit, GDIPCONST GpImageAttributes* imageAttributes,
1360 DrawImageAbort callback, VOID * callbackData)
1362 GpPointF pointsF[3];
1365 if(!points || count!=3)
1366 return InvalidParameter;
1368 for(i = 0; i < count; i++){
1369 pointsF[i].X = (REAL)points[i].X;
1370 pointsF[i].Y = (REAL)points[i].Y;
1373 return GdipDrawImagePointsRect(graphics, image, pointsF, count, (REAL)srcx, (REAL)srcy,
1374 (REAL)srcwidth, (REAL)srcheight, srcUnit, imageAttributes,
1375 callback, callbackData);
1378 GpStatus WINGDIPAPI GdipDrawImageRectRect(GpGraphics *graphics, GpImage *image,
1379 REAL dstx, REAL dsty, REAL dstwidth, REAL dstheight, REAL srcx, REAL srcy,
1380 REAL srcwidth, REAL srcheight, GpUnit srcUnit,
1381 GDIPCONST GpImageAttributes* imageattr, DrawImageAbort callback,
1382 VOID * callbackData)
1388 points[1].X = dstx + dstwidth;
1391 points[2].Y = dsty + dstheight;
1393 return GdipDrawImagePointsRect(graphics, image, points, 3, srcx, srcy,
1394 srcwidth, srcheight, srcUnit, imageattr, callback, callbackData);
1397 GpStatus WINGDIPAPI GdipDrawImageRectRectI(GpGraphics *graphics, GpImage *image,
1398 INT dstx, INT dsty, INT dstwidth, INT dstheight, INT srcx, INT srcy,
1399 INT srcwidth, INT srcheight, GpUnit srcUnit,
1400 GDIPCONST GpImageAttributes* imageAttributes, DrawImageAbort callback,
1401 VOID * callbackData)
1407 points[1].X = dstx + dstwidth;
1410 points[2].Y = dsty + dstheight;
1412 return GdipDrawImagePointsRect(graphics, image, points, 3, srcx, srcy,
1413 srcwidth, srcheight, srcUnit, imageAttributes, callback, callbackData);
1416 GpStatus WINGDIPAPI GdipDrawImageRect(GpGraphics *graphics, GpImage *image,
1417 REAL x, REAL y, REAL width, REAL height)
1423 if(!graphics || !image)
1424 return InvalidParameter;
1426 ret = GdipGetImageBounds(image, &bounds, &unit);
1430 return GdipDrawImageRectRect(graphics, image, x, y, width, height,
1431 bounds.X, bounds.Y, bounds.Width, bounds.Height,
1432 unit, NULL, NULL, NULL);
1435 GpStatus WINGDIPAPI GdipDrawImageRectI(GpGraphics *graphics, GpImage *image,
1436 INT x, INT y, INT width, INT height)
1438 return GdipDrawImageRect(graphics, image, (REAL)x, (REAL)y, (REAL)width, (REAL)height);
1441 GpStatus WINGDIPAPI GdipDrawLine(GpGraphics *graphics, GpPen *pen, REAL x1,
1442 REAL y1, REAL x2, REAL y2)
1448 if(!pen || !graphics)
1449 return InvalidParameter;
1459 save_state = prepare_dc(graphics, pen);
1461 retval = draw_polyline(graphics, pen, pt, 2, TRUE);
1463 restore_dc(graphics, save_state);
1468 GpStatus WINGDIPAPI GdipDrawLineI(GpGraphics *graphics, GpPen *pen, INT x1,
1469 INT y1, INT x2, INT y2)
1475 if(!pen || !graphics)
1476 return InvalidParameter;
1486 save_state = prepare_dc(graphics, pen);
1488 retval = draw_polyline(graphics, pen, pt, 2, TRUE);
1490 restore_dc(graphics, save_state);
1495 GpStatus WINGDIPAPI GdipDrawLines(GpGraphics *graphics, GpPen *pen, GDIPCONST
1496 GpPointF *points, INT count)
1501 if(!pen || !graphics || (count < 2))
1502 return InvalidParameter;
1507 save_state = prepare_dc(graphics, pen);
1509 retval = draw_polyline(graphics, pen, points, count, TRUE);
1511 restore_dc(graphics, save_state);
1516 GpStatus WINGDIPAPI GdipDrawLinesI(GpGraphics *graphics, GpPen *pen, GDIPCONST
1517 GpPoint *points, INT count)
1521 GpPointF *ptf = NULL;
1524 if(!pen || !graphics || (count < 2))
1525 return InvalidParameter;
1530 ptf = GdipAlloc(count * sizeof(GpPointF));
1531 if(!ptf) return OutOfMemory;
1533 for(i = 0; i < count; i ++){
1534 ptf[i].X = (REAL) points[i].X;
1535 ptf[i].Y = (REAL) points[i].Y;
1538 save_state = prepare_dc(graphics, pen);
1540 retval = draw_polyline(graphics, pen, ptf, count, TRUE);
1542 restore_dc(graphics, save_state);
1548 GpStatus WINGDIPAPI GdipDrawPath(GpGraphics *graphics, GpPen *pen, GpPath *path)
1553 if(!pen || !graphics)
1554 return InvalidParameter;
1559 save_state = prepare_dc(graphics, pen);
1561 retval = draw_poly(graphics, pen, path->pathdata.Points,
1562 path->pathdata.Types, path->pathdata.Count, TRUE);
1564 restore_dc(graphics, save_state);
1569 GpStatus WINGDIPAPI GdipDrawPie(GpGraphics *graphics, GpPen *pen, REAL x,
1570 REAL y, REAL width, REAL height, REAL startAngle, REAL sweepAngle)
1574 if(!graphics || !pen)
1575 return InvalidParameter;
1580 save_state = prepare_dc(graphics, pen);
1581 SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
1583 draw_pie(graphics, x, y, width, height, startAngle, sweepAngle);
1585 restore_dc(graphics, save_state);
1590 GpStatus WINGDIPAPI GdipDrawPieI(GpGraphics *graphics, GpPen *pen, INT x,
1591 INT y, INT width, INT height, REAL startAngle, REAL sweepAngle)
1593 return GdipDrawPie(graphics,pen,(REAL)x,(REAL)y,(REAL)width,(REAL)height,startAngle,sweepAngle);
1596 GpStatus WINGDIPAPI GdipDrawRectangle(GpGraphics *graphics, GpPen *pen, REAL x,
1597 REAL y, REAL width, REAL height)
1603 if(!pen || !graphics)
1604 return InvalidParameter;
1611 ptf[1].X = x + width;
1613 ptf[2].X = x + width;
1614 ptf[2].Y = y + height;
1616 ptf[3].Y = y + height;
1618 save_state = prepare_dc(graphics, pen);
1619 SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
1621 transform_and_round_points(graphics, pti, ptf, 4);
1622 Polygon(graphics->hdc, pti, 4);
1624 restore_dc(graphics, save_state);
1629 GpStatus WINGDIPAPI GdipDrawRectangleI(GpGraphics *graphics, GpPen *pen, INT x,
1630 INT y, INT width, INT height)
1632 return GdipDrawRectangle(graphics,pen,(REAL)x,(REAL)y,(REAL)width,(REAL)height);
1635 GpStatus WINGDIPAPI GdipDrawRectangles(GpGraphics *graphics, GpPen *pen,
1636 GDIPCONST GpRectF* rects, INT count)
1642 if(!graphics || !pen || !rects || count < 1)
1643 return InvalidParameter;
1648 ptf = GdipAlloc(4 * count * sizeof(GpPointF));
1649 pti = GdipAlloc(4 * count * sizeof(POINT));
1657 for(i = 0; i < count; i++){
1658 ptf[4 * i + 3].X = ptf[4 * i].X = rects[i].X;
1659 ptf[4 * i + 1].Y = ptf[4 * i].Y = rects[i].Y;
1660 ptf[4 * i + 2].X = ptf[4 * i + 1].X = rects[i].X + rects[i].Width;
1661 ptf[4 * i + 3].Y = ptf[4 * i + 2].Y = rects[i].Y + rects[i].Height;
1664 save_state = prepare_dc(graphics, pen);
1665 SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
1667 transform_and_round_points(graphics, pti, ptf, 4 * count);
1669 for(i = 0; i < count; i++)
1670 Polygon(graphics->hdc, &pti[4 * i], 4);
1672 restore_dc(graphics, save_state);
1680 GpStatus WINGDIPAPI GdipDrawRectanglesI(GpGraphics *graphics, GpPen *pen,
1681 GDIPCONST GpRect* rects, INT count)
1687 if(!rects || count<=0)
1688 return InvalidParameter;
1690 rectsF = GdipAlloc(sizeof(GpRectF) * count);
1694 for(i = 0;i < count;i++){
1695 rectsF[i].X = (REAL)rects[i].X;
1696 rectsF[i].Y = (REAL)rects[i].Y;
1697 rectsF[i].Width = (REAL)rects[i].Width;
1698 rectsF[i].Height = (REAL)rects[i].Height;
1701 ret = GdipDrawRectangles(graphics, pen, rectsF, count);
1707 GpStatus WINGDIPAPI GdipDrawString(GpGraphics *graphics, GDIPCONST WCHAR *string,
1708 INT length, GDIPCONST GpFont *font, GDIPCONST RectF *rect,
1709 GDIPCONST GpStringFormat *format, GDIPCONST GpBrush *brush)
1714 TEXTMETRICW textmet;
1715 GpPointF pt[2], rectcpy[4];
1718 REAL angle, ang_cos, ang_sin, rel_width, rel_height;
1719 INT sum = 0, height = 0, fit, fitcpy, save_state, i, j, lret, nwidth,
1724 if(!graphics || !string || !font || !brush || !rect)
1725 return InvalidParameter;
1727 if((brush->bt != BrushTypeSolidColor)){
1728 FIXME("not implemented for given parameters\n");
1729 return NotImplemented;
1733 TRACE("may be ignoring some format flags: attr %x\n", format->attr);
1735 if(length == -1) length = lstrlenW(string);
1737 stringdup = GdipAlloc(length * sizeof(WCHAR));
1738 if(!stringdup) return OutOfMemory;
1740 save_state = SaveDC(graphics->hdc);
1741 SetBkMode(graphics->hdc, TRANSPARENT);
1742 SetTextColor(graphics->hdc, brush->lb.lbColor);
1744 rectcpy[3].X = rectcpy[0].X = rect->X;
1745 rectcpy[1].Y = rectcpy[0].Y = rect->Y;
1746 rectcpy[2].X = rectcpy[1].X = rect->X + rect->Width;
1747 rectcpy[3].Y = rectcpy[2].Y = rect->Y + rect->Height;
1748 transform_and_round_points(graphics, corners, rectcpy, 4);
1750 if(roundr(rect->Width) == 0 && roundr(rect->Height) == 0){
1751 rel_width = rel_height = 1.0;
1752 nwidth = nheight = INT_MAX;
1755 rel_width = sqrt((corners[1].x - corners[0].x) * (corners[1].x - corners[0].x) +
1756 (corners[1].y - corners[0].y) * (corners[1].y - corners[0].y))
1758 rel_height = sqrt((corners[2].x - corners[1].x) * (corners[2].x - corners[1].x) +
1759 (corners[2].y - corners[1].y) * (corners[2].y - corners[1].y))
1762 nwidth = roundr(rel_width * rect->Width);
1763 nheight = roundr(rel_height * rect->Height);
1764 rgn = CreatePolygonRgn(corners, 4, ALTERNATE);
1765 SelectClipRgn(graphics->hdc, rgn);
1768 /* Use gdi to find the font, then perform transformations on it (height,
1770 SelectObject(graphics->hdc, CreateFontIndirectW(&font->lfw));
1771 GetTextMetricsW(graphics->hdc, &textmet);
1774 lfw.lfHeight = roundr(((REAL)lfw.lfHeight) * rel_height);
1775 lfw.lfWidth = roundr(textmet.tmAveCharWidth * rel_width);
1781 GdipTransformMatrixPoints(graphics->worldtrans, pt, 2);
1782 angle = gdiplus_atan2((pt[1].Y - pt[0].Y), (pt[1].X - pt[0].X));
1783 ang_cos = cos(angle);
1784 ang_sin = sin(angle);
1785 lfw.lfEscapement = lfw.lfOrientation = -roundr((angle / M_PI) * 1800.0);
1787 gdifont = CreateFontIndirectW(&lfw);
1788 DeleteObject(SelectObject(graphics->hdc, CreateFontIndirectW(&lfw)));
1790 for(i = 0, j = 0; i < length; i++){
1791 if(!isprintW(string[i]) && (string[i] != '\n'))
1794 stringdup[j] = string[i];
1801 while(sum < length){
1802 drawcoord.left = corners[0].x + roundr(ang_sin * (REAL) height);
1803 drawcoord.top = corners[0].y + roundr(ang_cos * (REAL) height);
1805 GetTextExtentExPointW(graphics->hdc, stringdup + sum, length - sum,
1806 nwidth, &fit, NULL, &size);
1810 DrawTextW(graphics->hdc, stringdup + sum, 1, &drawcoord, DT_NOCLIP |
1815 for(lret = 0; lret < fit; lret++)
1816 if(*(stringdup + sum + lret) == '\n')
1819 /* Line break code (may look strange, but it imitates windows). */
1821 fit = lret; /* this is not an off-by-one error */
1822 else if(fit < (length - sum)){
1823 if(*(stringdup + sum + fit) == ' ')
1824 while(*(stringdup + sum + fit) == ' ')
1827 while(*(stringdup + sum + fit - 1) != ' '){
1830 if(*(stringdup + sum + fit) == '\t')
1839 DrawTextW(graphics->hdc, stringdup + sum, min(length - sum, fit),
1840 &drawcoord, DT_NOCLIP | DT_EXPANDTABS);
1842 sum += fit + (lret < fitcpy ? 1 : 0);
1845 if(height > nheight)
1848 /* Stop if this was a linewrap (but not if it was a linebreak). */
1849 if((lret == fitcpy) && format && (format->attr & StringFormatFlagsNoWrap))
1853 GdipFree(stringdup);
1855 DeleteObject(gdifont);
1857 RestoreDC(graphics->hdc, save_state);
1862 GpStatus WINGDIPAPI GdipFillClosedCurve2(GpGraphics *graphics, GpBrush *brush,
1863 GDIPCONST GpPointF *points, INT count, REAL tension, GpFillMode fill)
1868 if(!graphics || !brush || !points)
1869 return InvalidParameter;
1874 stat = GdipCreatePath(fill, &path);
1878 stat = GdipAddPathClosedCurve2(path, points, count, tension);
1880 GdipDeletePath(path);
1884 stat = GdipFillPath(graphics, brush, path);
1886 GdipDeletePath(path);
1890 GdipDeletePath(path);
1895 GpStatus WINGDIPAPI GdipFillClosedCurve2I(GpGraphics *graphics, GpBrush *brush,
1896 GDIPCONST GpPoint *points, INT count, REAL tension, GpFillMode fill)
1902 if(!points || count <= 0)
1903 return InvalidParameter;
1905 ptf = GdipAlloc(sizeof(GpPointF)*count);
1909 for(i = 0;i < count;i++){
1910 ptf[i].X = (REAL)points[i].X;
1911 ptf[i].Y = (REAL)points[i].Y;
1914 stat = GdipFillClosedCurve2(graphics, brush, ptf, count, tension, fill);
1921 GpStatus WINGDIPAPI GdipFillEllipse(GpGraphics *graphics, GpBrush *brush, REAL x,
1922 REAL y, REAL width, REAL height)
1928 if(!graphics || !brush)
1929 return InvalidParameter;
1936 ptf[1].X = x + width;
1937 ptf[1].Y = y + height;
1939 save_state = SaveDC(graphics->hdc);
1940 EndPath(graphics->hdc);
1941 SelectObject(graphics->hdc, brush->gdibrush);
1942 SelectObject(graphics->hdc, GetStockObject(NULL_PEN));
1944 transform_and_round_points(graphics, pti, ptf, 2);
1946 Ellipse(graphics->hdc, pti[0].x, pti[0].y, pti[1].x, pti[1].y);
1948 RestoreDC(graphics->hdc, save_state);
1953 GpStatus WINGDIPAPI GdipFillEllipseI(GpGraphics *graphics, GpBrush *brush, INT x,
1954 INT y, INT width, INT height)
1956 return GdipFillEllipse(graphics,brush,(REAL)x,(REAL)y,(REAL)width,(REAL)height);
1959 GpStatus WINGDIPAPI GdipFillPath(GpGraphics *graphics, GpBrush *brush, GpPath *path)
1964 if(!brush || !graphics || !path)
1965 return InvalidParameter;
1970 save_state = SaveDC(graphics->hdc);
1971 EndPath(graphics->hdc);
1972 SelectObject(graphics->hdc, brush->gdibrush);
1973 SetPolyFillMode(graphics->hdc, (path->fill == FillModeAlternate ? ALTERNATE
1976 BeginPath(graphics->hdc);
1977 retval = draw_poly(graphics, NULL, path->pathdata.Points,
1978 path->pathdata.Types, path->pathdata.Count, FALSE);
1983 EndPath(graphics->hdc);
1984 FillPath(graphics->hdc);
1989 RestoreDC(graphics->hdc, save_state);
1994 GpStatus WINGDIPAPI GdipFillPie(GpGraphics *graphics, GpBrush *brush, REAL x,
1995 REAL y, REAL width, REAL height, REAL startAngle, REAL sweepAngle)
1999 if(!graphics || !brush)
2000 return InvalidParameter;
2005 save_state = SaveDC(graphics->hdc);
2006 EndPath(graphics->hdc);
2007 SelectObject(graphics->hdc, brush->gdibrush);
2008 SelectObject(graphics->hdc, GetStockObject(NULL_PEN));
2010 draw_pie(graphics, x, y, width, height, startAngle, sweepAngle);
2012 RestoreDC(graphics->hdc, save_state);
2017 GpStatus WINGDIPAPI GdipFillPieI(GpGraphics *graphics, GpBrush *brush, INT x,
2018 INT y, INT width, INT height, REAL startAngle, REAL sweepAngle)
2020 return GdipFillPie(graphics,brush,(REAL)x,(REAL)y,(REAL)width,(REAL)height,startAngle,sweepAngle);
2023 GpStatus WINGDIPAPI GdipFillPolygon(GpGraphics *graphics, GpBrush *brush,
2024 GDIPCONST GpPointF *points, INT count, GpFillMode fillMode)
2027 GpPointF *ptf = NULL;
2029 GpStatus retval = Ok;
2031 if(!graphics || !brush || !points || !count)
2032 return InvalidParameter;
2037 ptf = GdipAlloc(count * sizeof(GpPointF));
2038 pti = GdipAlloc(count * sizeof(POINT));
2040 retval = OutOfMemory;
2044 memcpy(ptf, points, count * sizeof(GpPointF));
2046 save_state = SaveDC(graphics->hdc);
2047 EndPath(graphics->hdc);
2048 SelectObject(graphics->hdc, brush->gdibrush);
2049 SelectObject(graphics->hdc, GetStockObject(NULL_PEN));
2050 SetPolyFillMode(graphics->hdc, (fillMode == FillModeAlternate ? ALTERNATE
2053 transform_and_round_points(graphics, pti, ptf, count);
2054 Polygon(graphics->hdc, pti, count);
2056 RestoreDC(graphics->hdc, save_state);
2065 GpStatus WINGDIPAPI GdipFillPolygonI(GpGraphics *graphics, GpBrush *brush,
2066 GDIPCONST GpPoint *points, INT count, GpFillMode fillMode)
2069 GpPointF *ptf = NULL;
2071 GpStatus retval = Ok;
2073 if(!graphics || !brush || !points || !count)
2074 return InvalidParameter;
2079 ptf = GdipAlloc(count * sizeof(GpPointF));
2080 pti = GdipAlloc(count * sizeof(POINT));
2082 retval = OutOfMemory;
2086 for(i = 0; i < count; i ++){
2087 ptf[i].X = (REAL) points[i].X;
2088 ptf[i].Y = (REAL) points[i].Y;
2091 save_state = SaveDC(graphics->hdc);
2092 EndPath(graphics->hdc);
2093 SelectObject(graphics->hdc, brush->gdibrush);
2094 SelectObject(graphics->hdc, GetStockObject(NULL_PEN));
2095 SetPolyFillMode(graphics->hdc, (fillMode == FillModeAlternate ? ALTERNATE
2098 transform_and_round_points(graphics, pti, ptf, count);
2099 Polygon(graphics->hdc, pti, count);
2101 RestoreDC(graphics->hdc, save_state);
2110 GpStatus WINGDIPAPI GdipFillPolygon2(GpGraphics *graphics, GpBrush *brush,
2111 GDIPCONST GpPointF *points, INT count)
2113 return GdipFillPolygon(graphics, brush, points, count, FillModeAlternate);
2116 GpStatus WINGDIPAPI GdipFillPolygon2I(GpGraphics *graphics, GpBrush *brush,
2117 GDIPCONST GpPoint *points, INT count)
2119 return GdipFillPolygonI(graphics, brush, points, count, FillModeAlternate);
2122 GpStatus WINGDIPAPI GdipFillRectangle(GpGraphics *graphics, GpBrush *brush,
2123 REAL x, REAL y, REAL width, REAL height)
2129 if(!graphics || !brush)
2130 return InvalidParameter;
2137 ptf[1].X = x + width;
2139 ptf[2].X = x + width;
2140 ptf[2].Y = y + height;
2142 ptf[3].Y = y + height;
2144 save_state = SaveDC(graphics->hdc);
2145 EndPath(graphics->hdc);
2146 SelectObject(graphics->hdc, brush->gdibrush);
2147 SelectObject(graphics->hdc, GetStockObject(NULL_PEN));
2149 transform_and_round_points(graphics, pti, ptf, 4);
2151 Polygon(graphics->hdc, pti, 4);
2153 RestoreDC(graphics->hdc, save_state);
2158 GpStatus WINGDIPAPI GdipFillRectangleI(GpGraphics *graphics, GpBrush *brush,
2159 INT x, INT y, INT width, INT height)
2165 if(!graphics || !brush)
2166 return InvalidParameter;
2173 ptf[1].X = x + width;
2175 ptf[2].X = x + width;
2176 ptf[2].Y = y + height;
2178 ptf[3].Y = y + height;
2180 save_state = SaveDC(graphics->hdc);
2181 EndPath(graphics->hdc);
2182 SelectObject(graphics->hdc, brush->gdibrush);
2183 SelectObject(graphics->hdc, GetStockObject(NULL_PEN));
2185 transform_and_round_points(graphics, pti, ptf, 4);
2187 Polygon(graphics->hdc, pti, 4);
2189 RestoreDC(graphics->hdc, save_state);
2194 GpStatus WINGDIPAPI GdipFillRectangles(GpGraphics *graphics, GpBrush *brush, GDIPCONST GpRectF *rects,
2201 return InvalidParameter;
2203 for(i = 0; i < count; i++){
2204 ret = GdipFillRectangle(graphics, brush, rects[i].X, rects[i].Y, rects[i].Width, rects[i].Height);
2205 if(ret != Ok) return ret;
2211 GpStatus WINGDIPAPI GdipFillRectanglesI(GpGraphics *graphics, GpBrush *brush, GDIPCONST GpRect *rects,
2218 if(!rects || count <= 0)
2219 return InvalidParameter;
2221 rectsF = GdipAlloc(sizeof(GpRectF)*count);
2225 for(i = 0; i < count; i++){
2226 rectsF[i].X = (REAL)rects[i].X;
2227 rectsF[i].Y = (REAL)rects[i].Y;
2228 rectsF[i].X = (REAL)rects[i].Width;
2229 rectsF[i].Height = (REAL)rects[i].Height;
2232 ret = GdipFillRectangles(graphics,brush,rectsF,count);
2238 GpStatus WINGDIPAPI GdipFillRegion(GpGraphics* graphics, GpBrush* brush,
2241 if (!(graphics && brush && region))
2242 return InvalidParameter;
2247 FIXME("(%p, %p, %p): stub\n", graphics, brush, region);
2249 return NotImplemented;
2252 GpStatus WINGDIPAPI GdipFlush(GpGraphics *graphics, GpFlushIntention intention)
2257 return InvalidParameter;
2263 FIXME("not implemented\n");
2265 return NotImplemented;
2268 /* FIXME: Compositing mode is not used anywhere except the getter/setter. */
2269 GpStatus WINGDIPAPI GdipGetCompositingMode(GpGraphics *graphics,
2270 CompositingMode *mode)
2272 if(!graphics || !mode)
2273 return InvalidParameter;
2278 *mode = graphics->compmode;
2283 /* FIXME: Compositing quality is not used anywhere except the getter/setter. */
2284 GpStatus WINGDIPAPI GdipGetCompositingQuality(GpGraphics *graphics,
2285 CompositingQuality *quality)
2287 if(!graphics || !quality)
2288 return InvalidParameter;
2293 *quality = graphics->compqual;
2298 /* FIXME: Interpolation mode is not used anywhere except the getter/setter. */
2299 GpStatus WINGDIPAPI GdipGetInterpolationMode(GpGraphics *graphics,
2300 InterpolationMode *mode)
2302 if(!graphics || !mode)
2303 return InvalidParameter;
2308 *mode = graphics->interpolation;
2313 GpStatus WINGDIPAPI GdipGetPageScale(GpGraphics *graphics, REAL *scale)
2315 if(!graphics || !scale)
2316 return InvalidParameter;
2321 *scale = graphics->scale;
2326 GpStatus WINGDIPAPI GdipGetPageUnit(GpGraphics *graphics, GpUnit *unit)
2328 if(!graphics || !unit)
2329 return InvalidParameter;
2334 *unit = graphics->unit;
2339 /* FIXME: Pixel offset mode is not used anywhere except the getter/setter. */
2340 GpStatus WINGDIPAPI GdipGetPixelOffsetMode(GpGraphics *graphics, PixelOffsetMode
2343 if(!graphics || !mode)
2344 return InvalidParameter;
2349 *mode = graphics->pixeloffset;
2354 /* FIXME: Smoothing mode is not used anywhere except the getter/setter. */
2355 GpStatus WINGDIPAPI GdipGetSmoothingMode(GpGraphics *graphics, SmoothingMode *mode)
2357 if(!graphics || !mode)
2358 return InvalidParameter;
2363 *mode = graphics->smoothing;
2368 /* FIXME: Text rendering hint is not used anywhere except the getter/setter. */
2369 GpStatus WINGDIPAPI GdipGetTextRenderingHint(GpGraphics *graphics,
2370 TextRenderingHint *hint)
2372 if(!graphics || !hint)
2373 return InvalidParameter;
2378 *hint = graphics->texthint;
2383 GpStatus WINGDIPAPI GdipGetWorldTransform(GpGraphics *graphics, GpMatrix *matrix)
2385 if(!graphics || !matrix)
2386 return InvalidParameter;
2391 *matrix = *graphics->worldtrans;
2395 GpStatus WINGDIPAPI GdipMeasureCharacterRanges(GpGraphics* graphics,
2396 GDIPCONST WCHAR* string, INT length, GDIPCONST GpFont* font,
2397 GDIPCONST RectF* layoutRect, GDIPCONST GpStringFormat *stringFormat,
2398 INT regionCount, GpRegion** regions)
2400 if (!(graphics && string && font && layoutRect && stringFormat && regions))
2401 return InvalidParameter;
2403 FIXME("stub: %p %s %d %p %p %p %d %p\n", graphics, debugstr_w(string),
2404 length, font, layoutRect, stringFormat, regionCount, regions);
2406 return NotImplemented;
2409 /* Find the smallest rectangle that bounds the text when it is printed in rect
2410 * according to the format options listed in format. If rect has 0 width and
2411 * height, then just find the smallest rectangle that bounds the text when it's
2412 * printed at location (rect->X, rect-Y). */
2413 GpStatus WINGDIPAPI GdipMeasureString(GpGraphics *graphics,
2414 GDIPCONST WCHAR *string, INT length, GDIPCONST GpFont *font,
2415 GDIPCONST RectF *rect, GDIPCONST GpStringFormat *format, RectF *bounds,
2416 INT *codepointsfitted, INT *linesfilled)
2420 INT sum = 0, height = 0, fit, fitcpy, max_width = 0, i, j, lret, nwidth,
2424 if(!graphics || !string || !font || !rect)
2425 return InvalidParameter;
2427 if(codepointsfitted || linesfilled){
2428 FIXME("not implemented for given parameters\n");
2429 return NotImplemented;
2433 TRACE("may be ignoring some format flags: attr %x\n", format->attr);
2435 if(length == -1) length = lstrlenW(string);
2437 stringdup = GdipAlloc(length * sizeof(WCHAR));
2438 if(!stringdup) return OutOfMemory;
2440 oldfont = SelectObject(graphics->hdc, CreateFontIndirectW(&font->lfw));
2441 nwidth = roundr(rect->Width);
2442 nheight = roundr(rect->Height);
2444 if((nwidth == 0) && (nheight == 0))
2445 nwidth = nheight = INT_MAX;
2447 for(i = 0, j = 0; i < length; i++){
2448 if(!isprintW(string[i]) && (string[i] != '\n'))
2451 stringdup[j] = string[i];
2458 while(sum < length){
2459 GetTextExtentExPointW(graphics->hdc, stringdup + sum, length - sum,
2460 nwidth, &fit, NULL, &size);
2466 for(lret = 0; lret < fit; lret++)
2467 if(*(stringdup + sum + lret) == '\n')
2470 /* Line break code (may look strange, but it imitates windows). */
2472 fit = lret; /* this is not an off-by-one error */
2473 else if(fit < (length - sum)){
2474 if(*(stringdup + sum + fit) == ' ')
2475 while(*(stringdup + sum + fit) == ' ')
2478 while(*(stringdup + sum + fit - 1) != ' '){
2481 if(*(stringdup + sum + fit) == '\t')
2491 GetTextExtentExPointW(graphics->hdc, stringdup + sum, fit,
2492 nwidth, &j, NULL, &size);
2494 sum += fit + (lret < fitcpy ? 1 : 0);
2496 max_width = max(max_width, size.cx);
2498 if(height > nheight)
2501 /* Stop if this was a linewrap (but not if it was a linebreak). */
2502 if((lret == fitcpy) && format && (format->attr & StringFormatFlagsNoWrap))
2506 bounds->X = rect->X;
2507 bounds->Y = rect->Y;
2508 bounds->Width = (REAL)max_width;
2509 bounds->Height = (REAL) min(height, nheight);
2511 GdipFree(stringdup);
2512 DeleteObject(SelectObject(graphics->hdc, oldfont));
2517 GpStatus WINGDIPAPI GdipResetWorldTransform(GpGraphics *graphics)
2520 return InvalidParameter;
2525 graphics->worldtrans->matrix[0] = 1.0;
2526 graphics->worldtrans->matrix[1] = 0.0;
2527 graphics->worldtrans->matrix[2] = 0.0;
2528 graphics->worldtrans->matrix[3] = 1.0;
2529 graphics->worldtrans->matrix[4] = 0.0;
2530 graphics->worldtrans->matrix[5] = 0.0;
2535 GpStatus WINGDIPAPI GdipRestoreGraphics(GpGraphics *graphics, GraphicsState state)
2540 return InvalidParameter;
2543 FIXME("graphics state not implemented\n");
2545 return NotImplemented;
2548 GpStatus WINGDIPAPI GdipRotateWorldTransform(GpGraphics *graphics, REAL angle,
2549 GpMatrixOrder order)
2552 return InvalidParameter;
2557 return GdipRotateMatrix(graphics->worldtrans, angle, order);
2560 GpStatus WINGDIPAPI GdipSaveGraphics(GpGraphics *graphics, GraphicsState *state)
2564 if(!graphics || !state)
2565 return InvalidParameter;
2568 FIXME("graphics state not implemented\n");
2570 return NotImplemented;
2573 GpStatus WINGDIPAPI GdipScaleWorldTransform(GpGraphics *graphics, REAL sx,
2574 REAL sy, GpMatrixOrder order)
2577 return InvalidParameter;
2582 return GdipScaleMatrix(graphics->worldtrans, sx, sy, order);
2585 GpStatus WINGDIPAPI GdipSetCompositingMode(GpGraphics *graphics,
2586 CompositingMode mode)
2589 return InvalidParameter;
2594 graphics->compmode = mode;
2599 GpStatus WINGDIPAPI GdipSetCompositingQuality(GpGraphics *graphics,
2600 CompositingQuality quality)
2603 return InvalidParameter;
2608 graphics->compqual = quality;
2613 GpStatus WINGDIPAPI GdipSetInterpolationMode(GpGraphics *graphics,
2614 InterpolationMode mode)
2617 return InvalidParameter;
2622 graphics->interpolation = mode;
2627 GpStatus WINGDIPAPI GdipSetPageScale(GpGraphics *graphics, REAL scale)
2629 if(!graphics || (scale <= 0.0))
2630 return InvalidParameter;
2635 graphics->scale = scale;
2640 GpStatus WINGDIPAPI GdipSetPageUnit(GpGraphics *graphics, GpUnit unit)
2643 return InvalidParameter;
2648 if(unit == UnitWorld)
2649 return InvalidParameter;
2651 graphics->unit = unit;
2656 GpStatus WINGDIPAPI GdipSetPixelOffsetMode(GpGraphics *graphics, PixelOffsetMode
2660 return InvalidParameter;
2665 graphics->pixeloffset = mode;
2670 GpStatus WINGDIPAPI GdipSetSmoothingMode(GpGraphics *graphics, SmoothingMode mode)
2673 return InvalidParameter;
2678 graphics->smoothing = mode;
2683 GpStatus WINGDIPAPI GdipSetTextRenderingHint(GpGraphics *graphics,
2684 TextRenderingHint hint)
2687 return InvalidParameter;
2692 graphics->texthint = hint;
2697 GpStatus WINGDIPAPI GdipSetWorldTransform(GpGraphics *graphics, GpMatrix *matrix)
2699 if(!graphics || !matrix)
2700 return InvalidParameter;
2705 GdipDeleteMatrix(graphics->worldtrans);
2706 return GdipCloneMatrix(matrix, &graphics->worldtrans);
2709 GpStatus WINGDIPAPI GdipTranslateWorldTransform(GpGraphics *graphics, REAL dx,
2710 REAL dy, GpMatrixOrder order)
2713 return InvalidParameter;
2718 return GdipTranslateMatrix(graphics->worldtrans, dx, dy, order);
2721 GpStatus WINGDIPAPI GdipSetClipRectI(GpGraphics *graphics, INT x, INT y,
2722 INT width, INT height,
2723 CombineMode combineMode)
2728 return InvalidParameter;
2734 FIXME("not implemented\n");
2736 return NotImplemented;
2739 GpStatus WINGDIPAPI GdipSetClipRegion(GpGraphics *graphics, GpRegion *region,
2742 TRACE("(%p, %p, %d)\n", graphics, region, mode);
2744 if(!graphics || !region)
2745 return InvalidParameter;
2750 return GdipCombineRegionRegion(graphics->clip, region, mode);
2753 GpStatus WINGDIPAPI GdipSetMetafileDownLevelRasterizationLimit(GpMetafile *metafile,
2759 FIXME("not implemented\n");
2761 return NotImplemented;
2764 GpStatus WINGDIPAPI GdipDrawPolygon(GpGraphics *graphics,GpPen *pen,GDIPCONST GpPointF *points,
2770 if(!graphics || !pen || count<=0)
2771 return InvalidParameter;
2776 pti = GdipAlloc(sizeof(POINT) * count);
2778 save_state = prepare_dc(graphics, pen);
2779 SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
2781 transform_and_round_points(graphics, pti, (GpPointF*)points, count);
2782 Polygon(graphics->hdc, pti, count);
2784 restore_dc(graphics, save_state);
2790 GpStatus WINGDIPAPI GdipDrawPolygonI(GpGraphics *graphics,GpPen *pen,GDIPCONST GpPoint *points,
2797 if(count<=0) return InvalidParameter;
2798 ptf = GdipAlloc(sizeof(GpPointF) * count);
2800 for(i = 0;i < count; i++){
2801 ptf[i].X = (REAL)points[i].X;
2802 ptf[i].Y = (REAL)points[i].Y;
2805 ret = GdipDrawPolygon(graphics,pen,ptf,count);
2811 GpStatus WINGDIPAPI GdipGetDpiX(GpGraphics *graphics, REAL* dpi)
2813 if(!graphics || !dpi)
2814 return InvalidParameter;
2819 *dpi = (REAL)GetDeviceCaps(graphics->hdc, LOGPIXELSX);
2824 GpStatus WINGDIPAPI GdipGetDpiY(GpGraphics *graphics, REAL* dpi)
2826 if(!graphics || !dpi)
2827 return InvalidParameter;
2832 *dpi = (REAL)GetDeviceCaps(graphics->hdc, LOGPIXELSY);
2837 GpStatus WINGDIPAPI GdipMultiplyWorldTransform(GpGraphics *graphics, GDIPCONST GpMatrix *matrix,
2838 GpMatrixOrder order)
2843 if(!graphics || !matrix)
2844 return InvalidParameter;
2849 m = *(graphics->worldtrans);
2851 ret = GdipMultiplyMatrix(&m, (GpMatrix*)matrix, order);
2853 *(graphics->worldtrans) = m;
2858 GpStatus WINGDIPAPI GdipGetDC(GpGraphics *graphics, HDC *hdc)
2860 if(!graphics || !hdc)
2861 return InvalidParameter;
2866 *hdc = graphics->hdc;
2867 graphics->busy = TRUE;
2872 GpStatus WINGDIPAPI GdipReleaseDC(GpGraphics *graphics, HDC hdc)
2875 return InvalidParameter;
2877 if(graphics->hdc != hdc || !(graphics->busy))
2878 return InvalidParameter;
2880 graphics->busy = FALSE;
2885 GpStatus WINGDIPAPI GdipGetClip(GpGraphics *graphics, GpRegion *region)
2890 TRACE("(%p, %p)\n", graphics, region);
2892 if(!graphics || !region)
2893 return InvalidParameter;
2898 if((status = GdipCloneRegion(graphics->clip, &clip)) != Ok)
2901 /* free everything except root node and header */
2902 delete_element(®ion->node);
2903 memcpy(region, clip, sizeof(GpRegion));
2908 GpStatus WINGDIPAPI GdipTransformPoints(GpGraphics *graphics, GpCoordinateSpace dst_space,
2909 GpCoordinateSpace src_space, GpPointF *points, INT count)
2911 if(!graphics || !points || count <= 0)
2912 return InvalidParameter;
2917 FIXME("(%p, %d, %d, %p, %d): stub\n", graphics, dst_space, src_space, points, count);
2919 return NotImplemented;
2922 GpStatus WINGDIPAPI GdipTransformPointsI(GpGraphics *graphics, GpCoordinateSpace dst_space,
2923 GpCoordinateSpace src_space, GpPoint *points, INT count)
2925 FIXME("(%p, %d, %d, %p, %d): stub\n", graphics, dst_space, src_space, points, count);
2927 return NotImplemented;