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fix general-pespective for conical gradient bug=1744

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BUG=
R=edisonn@google.com

Review URL: https://codereview.chromium.org/71303003

git-svn-id: http://skia.googlecode.com/svn/trunk@12299 2bbb7eff-a529-9590-31e7-b0007b416f81
This commit is contained in:
mike@reedtribe.org 2013-11-14 20:15:51 +00:00
parent 7d4890c6f6
commit 139a2359ab
1 changed files with 5 additions and 4 deletions
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9
src/effects/gradients/SkTwoPointConicalGradient.cpp
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@ -236,16 +236,17 @@ void SkTwoPointConicalGradient::shadeSpan(int x, int y, SkPMColor* dstCParam,
fRec.setup(fx, fy, dx, dy);
(*shadeProc)(&fRec, dstC, cache, toggle, count);
} else { // perspective case
SkScalar dstX = SkIntToScalar(x);
SkScalar dstY = SkIntToScalar(y);
SkScalar dstX = SkIntToScalar(x) + SK_ScalarHalf;
SkScalar dstY = SkIntToScalar(y) + SK_ScalarHalf;
for (; count > 0; --count) {
SkPoint srcPt;
dstProc(fDstToIndex, dstX, dstY, &srcPt);
dstX += SK_Scalar1;
fRec.setup(srcPt.fX, srcPt.fY, 0, 0);
(*shadeProc)(&fRec, dstC, cache, toggle, 1);
dstX += SK_Scalar1;
toggle = next_dither_toggle(toggle);
dstC += 1;
}
}
}