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 "include/core/SkImageInfo.h"
12 #include "include/private/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 
SkRectMemcpy(void * dst,size_t dstRB,const void * src,size_t srcRB,size_t trimRowBytes,int rowCount)19 static inline void SkRectMemcpy(void* dst, size_t dstRB, const void* src, size_t srcRB,
20                                 size_t trimRowBytes, int rowCount) {
21     SkASSERT(trimRowBytes <= dstRB);
22     SkASSERT(trimRowBytes <= srcRB);
23     if (trimRowBytes == dstRB && trimRowBytes == srcRB) {
24         memcpy(dst, src, trimRowBytes * rowCount);
25         return;
26     }
27 
28     for (int i = 0; i < rowCount; ++i) {
29         memcpy(dst, src, trimRowBytes);
30         dst = SkTAddOffset<void>(dst, dstRB);
31         src = SkTAddOffset<const void>(src, srcRB);
32     }
33 }
34 
35 #endif
36