skia2/include/effects/SkPixelXorXfermode.h
commit-bot@chromium.org 0f10f7bf1f Allow toString capability to be toggled independent of developer mode.
This change is motivated by the desire to see the text information in the debugger when not in developer mode. It is structured so user's can disable it if the capability is not wanted.

R=bsalomon@google.com

Author: robertphillips@google.com

Review URL: https://codereview.chromium.org/197763008

git-svn-id: http://skia.googlecode.com/svn/trunk@13795 2bbb7eff-a529-9590-31e7-b0007b416f81
2014-03-13 18:02:17 +00:00

46 lines
1.2 KiB
C++

/*
* Copyright 2007 The Android Open Source Project
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SkPixelXorXfermode_DEFINED
#define SkPixelXorXfermode_DEFINED
#include "SkXfermode.h"
/** SkPixelXorXfermode implements a simple pixel xor (op ^ src ^ dst).
This transformation does not follow premultiplied conventions, therefore
this proc *always* returns an opaque color (alpha == 255). Thus it is
not really usefull for operating on blended colors.
*/
class SK_API SkPixelXorXfermode : public SkXfermode {
public:
static SkPixelXorXfermode* Create(SkColor opColor) {
return SkNEW_ARGS(SkPixelXorXfermode, (opColor));
}
SK_TO_STRING_OVERRIDE()
SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkPixelXorXfermode)
protected:
SkPixelXorXfermode(SkReadBuffer& rb);
virtual void flatten(SkWriteBuffer&) const SK_OVERRIDE;
// override from SkXfermode
virtual SkPMColor xferColor(SkPMColor src, SkPMColor dst) const;
#ifdef SK_SUPPORT_LEGACY_PUBLICEFFECTCONSTRUCTORS
public:
#endif
SkPixelXorXfermode(SkColor opColor) : fOpColor(opColor) {}
private:
SkColor fOpColor;
typedef SkXfermode INHERITED;
};
#endif