5ea95df02d
This reverts commit 95376a0dde.
BUG=skia:
TBR=
Review URL: https://codereview.chromium.org/1389083002
38 lines
1.1 KiB
C++
38 lines
1.1 KiB
C++
/*
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* Copyright 2007 The Android Open Source Project
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#ifndef SkPixelXorXfermode_DEFINED
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#define SkPixelXorXfermode_DEFINED
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#include "SkXfermode.h"
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/** SkPixelXorXfermode implements a simple pixel xor (op ^ src ^ dst).
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This transformation does not follow premultiplied conventions, therefore
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this proc *always* returns an opaque color (alpha == 255). Thus it is
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not really usefull for operating on blended colors.
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*/
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class SK_API SkPixelXorXfermode : public SkXfermode {
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public:
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static SkXfermode* Create(SkColor opColor) { return new SkPixelXorXfermode(opColor); }
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SK_TO_STRING_OVERRIDE()
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SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkPixelXorXfermode)
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protected:
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void flatten(SkWriteBuffer&) const override;
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SkPMColor xferColor(SkPMColor src, SkPMColor dst) const override;
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private:
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explicit SkPixelXorXfermode(SkColor opColor) : fOpColor(opColor) {}
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SkColor fOpColor;
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typedef SkXfermode INHERITED;
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};
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#endif
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