1 /*
2 * Copyright 2011 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8 #ifndef SkConvertPixels_DEFINED
9 #define SkConvertPixels_DEFINED
10
11 #include "SkImageInfo.h"
12 #include "SkTemplates.h"
13
14 class SkColorTable;
15
16 void SkConvertPixels(const SkImageInfo& dstInfo, void* dstPixels, size_t dstRowBytes,
17 const SkImageInfo& srcInfo, const void* srcPixels, size_t srcRowBytes,
18 SkColorTable* srcCTable, SkTransferFunctionBehavior behavior);
19
SkRectMemcpy(void * dst,size_t dstRB,const void * src,size_t srcRB,size_t bytesPerRow,int rowCount)20 static inline void SkRectMemcpy(void* dst, size_t dstRB, const void* src, size_t srcRB,
21 size_t bytesPerRow, int rowCount) {
22 SkASSERT(bytesPerRow <= dstRB);
23 SkASSERT(bytesPerRow <= srcRB);
24 if (bytesPerRow == dstRB && bytesPerRow == srcRB) {
25 memcpy(dst, src, bytesPerRow * rowCount);
26 return;
27 }
28
29 for (int i = 0; i < rowCount; ++i) {
30 memcpy(dst, src, bytesPerRow);
31 dst = SkTAddOffset<void>(dst, dstRB);
32 src = SkTAddOffset<const void>(src, srcRB);
33 }
34 }
35
36 #endif
37