Line data    Source code

       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             : 
      20           0 : static inline void SkRectMemcpy(void* dst, size_t dstRB, const void* src, size_t srcRB,
      21             :                                 size_t bytesPerRow, int rowCount) {
      22           0 :     SkASSERT(bytesPerRow <= dstRB);
      23           0 :     SkASSERT(bytesPerRow <= srcRB);
      24           0 :     if (bytesPerRow == dstRB && bytesPerRow == srcRB) {
      25           0 :         memcpy(dst, src, bytesPerRow * rowCount);
      26           0 :         return;
      27             :     }
      28             : 
      29           0 :     for (int i = 0; i < rowCount; ++i) {
      30           0 :         memcpy(dst, src, bytesPerRow);
      31           0 :         dst = SkTAddOffset<void>(dst, dstRB);
      32           0 :         src = SkTAddOffset<const void>(src, srcRB);
      33             :     }
      34             : }
      35             : 
      36             : #endif