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Fix random pixels from memory in SkiaSurface::create/createRgba/applyScale()

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This commit is contained in:
David Capello 2015-05-22 11:01:24 -03:00
parent def9e7242a
commit b44c4f8b7b
1 changed files with 6 additions and 1 deletions
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7
src/she/skia/skia_surface.h
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@ -37,6 +37,7 @@ public:
void create(int width, int height) {
m_bitmap.tryAllocPixels(
SkImageInfo::MakeN32Premul(width, height));
m_bitmap.eraseColor(SK_ColorTRANSPARENT);
rebuild();
}
@ -44,6 +45,7 @@ public:
void createRgba(int width, int height) {
m_bitmap.tryAllocPixels(
SkImageInfo::MakeN32Premul(width, height));
m_bitmap.eraseColor(SK_ColorTRANSPARENT);
rebuild();
}
@ -95,10 +97,13 @@ public:
result.tryAllocPixels(
SkImageInfo::MakeN32Premul(width()*scaleFactor, height()*scaleFactor));
SkPaint paint;
paint.setXfermodeMode(SkXfermode::kSrc_Mode);
SkCanvas canvas(result);
SkRect srcRect = SkRect::Make(SkIRect::MakeXYWH(0, 0, m_bitmap.width(), m_bitmap.height()));
SkRect dstRect = SkRect::Make(SkIRect::MakeXYWH(0, 0, result.width(), result.height()));
canvas.drawBitmapRectToRect(m_bitmap, &srcRect, dstRect);
canvas.drawBitmapRectToRect(m_bitmap, &srcRect, dstRect, &paint);
swapBitmap(result);
}