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remove blur radius reinterpretation for now to make rebaselining simpler and avoid significant changes to webkit and JNI -- those come later

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Review URL: https://codereview.appspot.com/7391043

git-svn-id: http://skia.googlecode.com/svn/trunk@7795 2bbb7eff-a529-9590-31e7-b0007b416f81
This commit is contained in:
humper@google.com 2013-02-20 18:35:40 +00:00
parent a99a92ceba
commit 1e1a24e2ca
1 changed files with 2 additions and 12 deletions
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14
src/effects/SkBlurMask.cpp
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@ -974,14 +974,6 @@ bool SkBlurMask::Blur(SkMask* dst, const SkMask& src,
SkScalarMul( radius, kBlurRadiusFudgeFactor):
radius;
#ifndef SK_IGNORE_BLUR_RADIUS_CORRECTNESS
// multiply the given radius by sqrt(2)/2 to convert
// from (2x) standard deviation to needed box width
const SkScalar radiusMultiplier = SkFloatToScalar(0.707f);
SkScalar boxWidth = SkScalarMul(passRadius, radiusMultiplier);
passRadius = SkScalarMul(boxWidth,SK_ScalarHalf) - SK_ScalarHalf;
#endif
int rx = SkScalarCeil(passRadius);
int outerWeight = 255 - SkScalarRound((SkIntToScalar(rx) - passRadius) * 255);
@ -1250,10 +1242,8 @@ bool SkBlurMask::BlurRect(SkMask *dst, const SkRect &src,
float radius = SkScalarToFloat( SkScalarMul( provided_radius, kBlurRadiusFudgeFactor ) );
#ifndef SK_IGNORE_BLUR_RADIUS_CORRECTNESS
float stddev = SkScalarToFloat( radius ) /2.0f;
radius = stddev * 1.414f;
#endif
// adjust blur radius to match interpretation from boxfilter code
radius = (radius + .5) *2;
profile_size = compute_profile( radius, &profile );