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| 1 // Copyright 2014 PDFium Authors. All rights reserved. | 1 // Copyright 2014 PDFium Authors. All rights reserved. | 
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be | 
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. | 
| 4 | 4 | 
| 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com | 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com | 
| 6 | 6 | 
| 7 #include "core/fxcodec/codec/codec_int.h" | 7 #include "core/fxcodec/codec/codec_int.h" | 
| 8 | 8 | 
| 9 #include <algorithm> | 9 #include <algorithm> | 
| 10 #include <memory> | 10 #include <memory> | 
| 11 | 11 | 
| 12 #include "core/fxcodec/fx_codec.h" | 12 #include "core/fxcodec/fx_codec.h" | 
| 13 #include "core/fxcrt/include/fx_ext.h" | 13 #include "core/fxcrt/fx_ext.h" | 
| 14 #include "third_party/zlib_v128/zlib.h" | 14 #include "third_party/zlib_v128/zlib.h" | 
| 15 | 15 | 
| 16 extern "C" { | 16 extern "C" { | 
| 17 static void* my_alloc_func(void* opaque, | 17 static void* my_alloc_func(void* opaque, | 
| 18                            unsigned int items, | 18                            unsigned int items, | 
| 19                            unsigned int size) { | 19                            unsigned int size) { | 
| 20   return FX_Alloc2D(uint8_t, items, size); | 20   return FX_Alloc2D(uint8_t, items, size); | 
| 21 } | 21 } | 
| 22 static void my_free_func(void* opaque, void* address) { | 22 static void my_free_func(void* opaque, void* address) { | 
| 23   FX_Free(address); | 23   FX_Free(address); | 
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| 860                                    uint32_t src_size, | 860                                    uint32_t src_size, | 
| 861                                    uint8_t** dest_buf, | 861                                    uint8_t** dest_buf, | 
| 862                                    uint32_t* dest_size) { | 862                                    uint32_t* dest_size) { | 
| 863   uint8_t* pSrcBuf = FX_Alloc(uint8_t, src_size); | 863   uint8_t* pSrcBuf = FX_Alloc(uint8_t, src_size); | 
| 864   FXSYS_memcpy(pSrcBuf, src_buf, src_size); | 864   FXSYS_memcpy(pSrcBuf, src_buf, src_size); | 
| 865   PNG_PredictorEncode(&pSrcBuf, &src_size); | 865   PNG_PredictorEncode(&pSrcBuf, &src_size); | 
| 866   bool ret = Encode(pSrcBuf, src_size, dest_buf, dest_size); | 866   bool ret = Encode(pSrcBuf, src_size, dest_buf, dest_size); | 
| 867   FX_Free(pSrcBuf); | 867   FX_Free(pSrcBuf); | 
| 868   return ret; | 868   return ret; | 
| 869 } | 869 } | 
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