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/*
* Copyright 2014 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SkReadPixelsRec_DEFINED
#define SkReadPixelsRec_DEFINED
#include "SkImageInfo.h"
/**
* Helper class to package and trim the parameters passed to readPixels()
*/
struct SkReadPixelsRec {
SkReadPixelsRec(const SkImageInfo& info, void* pixels, size_t rowBytes, int x, int y)
: fPixels(pixels)
, fRowBytes(rowBytes)
, fInfo(info)
, fX(x)
, fY(y)
{}
void* fPixels;
size_t fRowBytes;
SkImageInfo fInfo;
int fX;
int fY;
/*
* On true, may have modified its fields (except fRowBytes) to make it a legal subset
* of the specified src width/height.
*
* On false, leaves self unchanged, but indicates that it does not overlap src, or
* is not valid (e.g. bad fInfo) for readPixels().
*/
bool trim(int srcWidth, int srcHeight);
};
#endif
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