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gdiplus: GdipDrawCurve2 now uses SaveDC()/RestoreDC() and end caps.

This commit is contained in:
Evan Stade 2007-07-09 20:54:23 -07:00 committed by Alexandre Julliard
parent 14e0df1fa0
commit b72dc0df9d
1 changed files with 23 additions and 21 deletions
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44
dlls/gdiplus/graphics.c
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@ -483,50 +483,52 @@ GpStatus WINGDIPAPI GdipDrawBezier(GpGraphics *graphics, GpPen *pen, REAL x1,
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;
}