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/*
* Copyright 2011 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SkPixelInfo_DEFINED
#define SkPixelInfo_DEFINED
#include "SkImageInfo.h"
class SkColorTable;
struct SkPixelInfo {
SkColorType fColorType;
SkAlphaType fAlphaType;
size_t fRowBytes;
static bool CopyPixels(const SkImageInfo& dstInfo, void* dstPixels, size_t dstRowBytes,
const SkImageInfo& srcInfo, const void* srcPixels, size_t srcRowBytes,
SkColorTable* srcCTable = NULL);
};
struct SkDstPixelInfo : SkPixelInfo {
void* fPixels;
};
struct SkSrcPixelInfo : SkPixelInfo {
const void* fPixels;
// Guaranteed to work even if src.fPixels and dst.fPixels are the same
// (but not if they overlap partially)
bool convertPixelsTo(SkDstPixelInfo* dst, int width, int height) const;
};
static inline void SkRectMemcpy(void* dst, size_t dstRB, const void* src, size_t srcRB,
size_t bytesPerRow, int rowCount) {
SkASSERT(bytesPerRow <= srcRB);
SkASSERT(bytesPerRow <= dstRB);
for (int i = 0; i < rowCount; ++i) {
memcpy(dst, src, bytesPerRow);
dst = (char*)dst + dstRB;
src = (const char*)src + srcRB;
}
}
#endif
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