1 // Copyright 2016 PDFium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
6 
7 #ifndef CORE_FXCODEC_CODEC_CCODEC_GIFMODULE_H_
8 #define CORE_FXCODEC_CODEC_CCODEC_GIFMODULE_H_
9 
10 #include "core/fxcodec/codec/icodec_gifmodule.h"
11 #include "core/fxcrt/fx_coordinates.h"
12 #include "core/fxcrt/fx_system.h"
13 
14 class CCodec_GifModule : public ICodec_GifModule {
15  public:
16   CCodec_GifModule();
17   ~CCodec_GifModule() override;
18 
19   FXGIF_Context* Start() override;
20   void Finish(FXGIF_Context* pContext) override;
21   uint32_t GetAvailInput(FXGIF_Context* pContext,
22                          uint8_t** avail_buf_ptr = nullptr) override;
23 
24   void Input(FXGIF_Context* pContext,
25              const uint8_t* src_buf,
26              uint32_t src_size) override;
27 
28   int32_t ReadHeader(FXGIF_Context* pContext,
29                      int* width,
30                      int* height,
31                      int* pal_num,
32                      void** pal_pp,
33                      int* bg_index,
34                      CFX_DIBAttribute* pAttribute) override;
35 
36   int32_t LoadFrameInfo(FXGIF_Context* pContext, int* frame_num) override;
37   int32_t LoadFrame(FXGIF_Context* pContext,
38                     int frame_num,
39                     CFX_DIBAttribute* pAttribute) override;
40 
41  protected:
42   FX_CHAR m_szLastError[256];
43 };
44 
45 #endif  // CORE_FXCODEC_CODEC_CCODEC_GIFMODULE_H_
46