AuroraMiddleware/skia2
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be more careful about OOB source pixels in the scanline rescaler, and

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less certain about why the standalone scaler might have faileds

BUG=
R=reed@google.com

Author: humper@google.com

Review URL: https://codereview.chromium.org/100473011

git-svn-id: http://skia.googlecode.com/svn/trunk@12619 2bbb7eff-a529-9590-31e7-b0007b416f81
This commit is contained in:
commit-bot@chromium.org 2013-12-11 15:35:41 +00:00
parent 772443a3e6
commit 785f2e1426
2 changed files with 4 additions and 6 deletions
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8
src/core/SkBitmapFilter.cpp
View File

@ -40,14 +40,14 @@ void highQualityFilter(ColorPacker pack, const SkBitmapProcState& s, int x, int
SkScalar fr = 0, fg = 0, fb = 0, fa = 0;
int y0 = SkClampMax(SkScalarCeilToInt(srcPt.fY-s.getBitmapFilter()->width()), maxY);
int y1 = SkClampMax(SkScalarFloorToInt(srcPt.fY+s.getBitmapFilter()->width()), maxY);
int y1 = SkClampMax(SkScalarFloorToInt(srcPt.fY+s.getBitmapFilter()->width()+1), maxY);
int x0 = SkClampMax(SkScalarCeilToInt(srcPt.fX-s.getBitmapFilter()->width()), maxX);
int x1 = SkClampMax(SkScalarFloorToInt(srcPt.fX+s.getBitmapFilter()->width()), maxX);
int x1 = SkClampMax(SkScalarFloorToInt(srcPt.fX+s.getBitmapFilter()->width())+1, maxX);
for (int srcY = y0; srcY <= y1; srcY++) {
for (int srcY = y0; srcY < y1; srcY++) {
SkScalar yWeight = s.getBitmapFilter()->lookupScalar((srcPt.fY - srcY));
for (int srcX = x0; srcX <= x1 ; srcX++) {
for (int srcX = x0; srcX < x1 ; srcX++) {
SkScalar xWeight = s.getBitmapFilter()->lookupScalar((srcPt.fX - srcX));
SkScalar combined_weight = SkScalarMul(xWeight, yWeight);

2
src/core/SkBitmapProcState.cpp
View File

@ -409,8 +409,6 @@ bool SkBitmapProcState::chooseProcs(const SkMatrix& inv, const SkPaint& paint) {
// platform-specific one might succeed, so it might be premature here
// to fall back to bilerp. This needs thought.
SkASSERT(fInvType > SkMatrix::kTranslate_Mask);
if (!this->setBitmapFilterProcs()) {
fFilterLevel = SkPaint::kLow_FilterLevel;
}