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Add coeffecients for kScreen xfermode.

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Review URL: https://codereview.chromium.org/14046021

git-svn-id: http://skia.googlecode.com/svn/trunk@8680 2bbb7eff-a529-9590-31e7-b0007b416f81
This commit is contained in:
bsalomon@google.com 2013-04-15 15:16:47 +00:00
parent 856b984c51
commit b0091b8382
2 changed files with 5 additions and 6 deletions
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9
include/core/SkXfermode.h
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@ -104,13 +104,12 @@ public:
kPlus_Mode, //!< [Sa + Da, Sc + Dc]
kModulate_Mode, // multiplies all components (= alpha and color)
// all above modes can be expressed as pair of src/dst Coeffs
kCoeffModesCnt,
// Following blend modes are defined in the CSS Compositing standard:
// https://dvcs.w3.org/hg/FXTF/rawfile/tip/compositing/index.html#blending
kScreen_Mode = kCoeffModesCnt,
kOverlay_Mode,
kScreen_Mode,
// all above modes can be expressed as pair of src/dst Coeffs
kCoeffModesCnt,
kOverlay_Mode = kCoeffModesCnt,
kDarken_Mode,
kLighten_Mode,
kColorDodge_Mode,

2
src/core/SkXfermode.cpp
View File

@ -653,7 +653,7 @@ static const ProcCoeff gProcCoeffs[] = {
{ plus_modeproc, SkXfermode::kOne_Coeff, SkXfermode::kOne_Coeff },
{ modulate_modeproc,SkXfermode::kZero_Coeff, SkXfermode::kSC_Coeff },
{ screen_modeproc, CANNOT_USE_COEFF, CANNOT_USE_COEFF },
{ screen_modeproc, SkXfermode::kOne_Coeff, SkXfermode::kISC_Coeff },
{ overlay_modeproc, CANNOT_USE_COEFF, CANNOT_USE_COEFF },
{ darken_modeproc, CANNOT_USE_COEFF, CANNOT_USE_COEFF },
{ lighten_modeproc, CANNOT_USE_COEFF, CANNOT_USE_COEFF },