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gdiplus: Add blend information to linear gradient brushes.

This commit is contained in:
Vincent Povirk 2009-04-28 18:03:41 -05:00 committed by Alexandre Julliard
parent 1de792290b
commit b05cf906d1
2 changed files with 52 additions and 5 deletions
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54
dlls/gdiplus/brush.c
View File

@ -108,14 +108,38 @@ GpStatus WINGDIPAPI GdipCloneBrush(GpBrush *brush, GpBrush **clone)
break;
}
case BrushTypeLinearGradient:
*clone = GdipAlloc(sizeof(GpLineGradient));
if(!*clone) return OutOfMemory;
case BrushTypeLinearGradient:{
GpLineGradient *dest, *src;
INT count;
memcpy(*clone, brush, sizeof(GpLineGradient));
dest = GdipAlloc(sizeof(GpLineGradient));
if(!dest) return OutOfMemory;
(*clone)->gdibrush = CreateSolidBrush((*clone)->lb.lbColor);
src = (GpLineGradient*)brush;
memcpy(dest, src, sizeof(GpLineGradient));
dest->brush.gdibrush = CreateSolidBrush(dest->brush.lb.lbColor);
count = dest->blendcount;
dest->blendfac = GdipAlloc(count * sizeof(REAL));
dest->blendpos = GdipAlloc(count * sizeof(REAL));
if (!dest->blendfac || !dest->blendpos)
{
GdipFree(dest->blendfac);
GdipFree(dest->blendpos);
DeleteObject(dest->brush.gdibrush);
GdipFree(dest);
return OutOfMemory;
}
memcpy(dest->blendfac, src->blendfac, count * sizeof(REAL));
memcpy(dest->blendpos, src->blendpos, count * sizeof(REAL));
*clone = &dest->brush;
break;
}
case BrushTypeTextureFill:
*clone = GdipAlloc(sizeof(GpTexture));
if(!*clone) return OutOfMemory;
@ -226,6 +250,23 @@ GpStatus WINGDIPAPI GdipCreateLineBrush(GDIPCONST GpPointF* startpoint,
(*line)->wrap = wrap;
(*line)->gamma = FALSE;
(*line)->blendcount = 1;
(*line)->blendfac = GdipAlloc(sizeof(REAL));
(*line)->blendpos = GdipAlloc(sizeof(REAL));
if (!(*line)->blendfac || !(*line)->blendpos)
{
GdipFree((*line)->blendfac);
GdipFree((*line)->blendpos);
DeleteObject((*line)->brush.gdibrush);
GdipFree(*line);
*line = NULL;
return OutOfMemory;
}
(*line)->blendfac[0] = 1.0f;
(*line)->blendpos[0] = 1.0f;
return Ok;
}
@ -765,7 +806,10 @@ GpStatus WINGDIPAPI GdipDeleteBrush(GpBrush *brush)
GdipFree(((GpPathGradient*) brush)->blendpos);
break;
case BrushTypeSolidColor:
break;
case BrushTypeLinearGradient:
GdipFree(((GpLineGradient*)brush)->blendfac);
GdipFree(((GpLineGradient*)brush)->blendpos);
break;
case BrushTypeTextureFill:
GdipDeleteMatrix(((GpTexture*)brush)->transform);

3
dlls/gdiplus/gdiplus_private.h
View File

@ -145,6 +145,9 @@ struct GpLineGradient{
ARGB endcolor;
GpWrapMode wrap;
BOOL gamma;
REAL* blendfac; /* blend factors */
REAL* blendpos; /* blend positions */
INT blendcount;
};
struct GpTexture{