[3/5] gdiplus: updated GdipDrawCurve2
Evan Stade
estade at gmail.com
Mon Jul 9 22:54:23 CDT 2007
Hi,
Changelog:
*GdipDrawCurve2 now uses SaveDC()/RestoreDC() and end caps
dlls/gdiplus/graphics.c | 44 +++++++++++++++++++++++---------------------
1 files changed, 23 insertions(+), 21 deletions(-)
--
Evan Stade
-------------- next part --------------
diff --git a/dlls/gdiplus/graphics.c b/dlls/gdiplus/graphics.c
index 06a5dad..b640621 100644
--- a/dlls/gdiplus/graphics.c
+++ b/dlls/gdiplus/graphics.c
@@ -483,50 +483,52 @@ GpStatus WINGDIPAPI GdipDrawBezier(GpGra
GpStatus WINGDIPAPI GdipDrawCurve2(GpGraphics *graphics, GpPen *pen,
GDIPCONST GpPointF *points, INT count, REAL tension)
{
- HGDIOBJ old_pen;
-
/* PolyBezier expects count*3-2 points. */
- int i, len_pt = count*3-2;
- POINT pt[len_pt];
+ INT i, len_pt = count*3-2, save_state;
+ GpPointF *pt;
REAL x1, x2, y1, y2;
if(!graphics || !pen)
return InvalidParameter;
+ pt = GdipAlloc(len_pt * sizeof(GpPointF));
tension = tension * TENSION_CONST;
calc_curve_bezier_endp(points[0].X, points[0].Y, points[1].X, points[1].Y,
tension, &x1, &y1);
- pt[0].x = roundr(points[0].X);
- pt[0].y = roundr(points[0].Y);
- pt[1].x = roundr(x1);
- pt[1].y = roundr(y1);
+ pt[0].X = points[0].X;
+ pt[0].Y = points[0].Y;
+ pt[1].X = x1;
+ pt[1].Y = y1;
for(i = 0; i < count-2; i++){
calc_curve_bezier(&(points[i]), tension, &x1, &y1, &x2, &y2);
- pt[3*i+2].x = roundr(x1);
- pt[3*i+2].y = roundr(y1);
- pt[3*i+3].x = roundr(points[i+1].X);
- pt[3*i+3].y = roundr(points[i+1].Y);
- pt[3*i+4].x = roundr(x2);
- pt[3*i+4].y = roundr(y2);
+ pt[3*i+2].X = x1;
+ pt[3*i+2].Y = y1;
+ pt[3*i+3].X = points[i+1].X;
+ pt[3*i+3].Y = points[i+1].Y;
+ pt[3*i+4].X = x2;
+ pt[3*i+4].Y = y2;
}
calc_curve_bezier_endp(points[count-1].X, points[count-1].Y,
points[count-2].X, points[count-2].Y, tension, &x1, &y1);
- pt[len_pt-2].x = x1;
- pt[len_pt-2].y = y1;
- pt[len_pt-1].x = roundr(points[count-1].X);
- pt[len_pt-1].y = roundr(points[count-1].Y);
+ pt[len_pt-2].X = x1;
+ pt[len_pt-2].Y = y1;
+ pt[len_pt-1].X = points[count-1].X;
+ pt[len_pt-1].Y = points[count-1].Y;
- old_pen = SelectObject(graphics->hdc, pen->gdipen);
+ save_state = SaveDC(graphics->hdc);
+ EndPath(graphics->hdc);
+ SelectObject(graphics->hdc, pen->gdipen);
- PolyBezier(graphics->hdc, pt, len_pt);
+ draw_polybezier(graphics->hdc, pen, pt, len_pt, TRUE);
- SelectObject(graphics->hdc, old_pen);
+ GdipFree(pt);
+ RestoreDC(graphics->hdc, save_state);
return Ok;
}
--
1.4.1
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