0a2bf90dcc
This is part of an effort to ensure that all SkPaint effects can only be allocated on the heap. This patch makes the constructors of SkPathEffect, SkXfermode and their subclasses non-public and instead provides factory methods for creating these objects on the heap. We temporarily keep the constructors of the following classes public to not break Chrome/Blink: SkXfermode SkCornerPathEffect SkDashPathEffect BUG=skia:2187 R=scroggo@google.com, reed@google.com, mtklein@google.com, bungeman@google.com Author: dominikg@chromium.org Review URL: https://codereview.chromium.org/166583002 git-svn-id: http://skia.googlecode.com/svn/trunk@13519 2bbb7eff-a529-9590-31e7-b0007b416f81
46 lines
1.2 KiB
C++
46 lines
1.2 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 SkPixelXorXfermode* Create(SkColor opColor) {
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return SkNEW_ARGS(SkPixelXorXfermode, (opColor));
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}
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SK_DEVELOPER_TO_STRING()
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SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkPixelXorXfermode)
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protected:
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SkPixelXorXfermode(SkReadBuffer& rb);
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virtual void flatten(SkWriteBuffer&) const SK_OVERRIDE;
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// override from SkXfermode
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virtual SkPMColor xferColor(SkPMColor src, SkPMColor dst) const;
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#ifdef SK_SUPPORT_LEGACY_PUBLICEFFECTCONSTRUCTORS
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public:
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#endif
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SkPixelXorXfermode(SkColor opColor) : fOpColor(opColor) {}
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private:
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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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