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/*
* Copyright 2006, The Android Open Source Project
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef SkBitmapRef_DEFINED
#define SkBitmapRef_DEFINED
#include "SkRefCnt.h"
#include "SkBitmap.h"
class SkBitmapRef : public SkRefCnt {
public:
SkBitmapRef() : fOrigWidth(0), fOrigHeight(0), fAccessed(false) {}
explicit SkBitmapRef(const SkBitmap& src)
: fBitmap(src),
fOrigWidth(src.width()),
fOrigHeight(src.height()),
fAccessed(false) {}
const SkBitmap& bitmap() const { return fBitmap; }
SkBitmap& bitmap() { return fBitmap; }
int origWidth() const { return fOrigWidth; }
int origHeight() const { return fOrigHeight; }
void setOrigSize(int width, int height) {
fOrigWidth = width;
fOrigHeight = height;
}
// return true if this is not the first access
// mark it true so all subsequent calls return true
bool accessed() { bool result = fAccessed;
fAccessed = true; return result; }
private:
SkBitmap fBitmap;
int fOrigWidth, fOrigHeight;
bool fAccessed;
};
#endif
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