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Side by Side Diff: core/src/fxcodec/codec/codec_int.h

Issue 1461363002: Merge to XFA: Change |CCodec_ScanlineDecoder::m_Pitch| to FX_DWORD (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@xfa
Patch Set: Created 5 years, 1 month ago
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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 #ifndef CORE_SRC_FXCODEC_CODEC_CODEC_INT_H_ 7 #ifndef CORE_SRC_FXCODEC_CODEC_CODEC_INT_H_
8 #define CORE_SRC_FXCODEC_CODEC_CODEC_INT_H_ 8 #define CORE_SRC_FXCODEC_CODEC_CODEC_INT_H_
9 9
10 #include <limits.h> 10 #include <limits.h>
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51 int GetWidth() override { return m_OutputWidth; } 51 int GetWidth() override { return m_OutputWidth; }
52 int GetHeight() override { return m_OutputHeight; } 52 int GetHeight() override { return m_OutputHeight; }
53 int CountComps() override { return m_nComps; } 53 int CountComps() override { return m_nComps; }
54 int GetBPC() override { return m_bpc; } 54 int GetBPC() override { return m_bpc; }
55 FX_BOOL IsColorTransformed() override { return m_bColorTransformed; } 55 FX_BOOL IsColorTransformed() override { return m_bColorTransformed; }
56 void ClearImageData() override { m_pDataCache.reset(); } 56 void ClearImageData() override { m_pDataCache.reset(); }
57 57
58 protected: 58 protected:
59 class ImageDataCache { 59 class ImageDataCache {
60 public: 60 public:
61 ImageDataCache(int width, int height, int pitch); 61 ImageDataCache(int width, int height, FX_DWORD pitch);
62 ~ImageDataCache(); 62 ~ImageDataCache();
63 63
64 bool AllocateCache(); 64 bool AllocateCache();
65 void AppendLine(const uint8_t* line); 65 void AppendLine(const uint8_t* line);
66 66
67 int NumLines() const { return m_nCachedLines; } 67 int NumLines() const { return m_nCachedLines; }
68 const uint8_t* GetLine(int line) const; 68 const uint8_t* GetLine(int line) const;
69 bool IsSameDimensions(int width, int height) const { 69 bool IsSameDimensions(int width, int height) const {
70 return width == m_Width && height == m_Height; 70 return width == m_Width && height == m_Height;
71 } 71 }
72 72
73 private: 73 private:
74 bool IsValid() const { return m_Data.get() != nullptr; } 74 bool IsValid() const { return m_Data.get() != nullptr; }
75 75
76 const int m_Width; 76 const int m_Width;
77 const int m_Height; 77 const int m_Height;
78 const int m_Pitch; 78 const FX_DWORD m_Pitch;
79 int m_nCachedLines; 79 int m_nCachedLines;
80 nonstd::unique_ptr<uint8_t, FxFreeDeleter> m_Data; 80 nonstd::unique_ptr<uint8_t, FxFreeDeleter> m_Data;
81 }; 81 };
82 82
83 virtual FX_BOOL v_Rewind() = 0; 83 virtual FX_BOOL v_Rewind() = 0;
84 virtual uint8_t* v_GetNextLine() = 0; 84 virtual uint8_t* v_GetNextLine() = 0;
85 virtual void v_DownScale(int dest_width, int dest_height) = 0; 85 virtual void v_DownScale(int dest_width, int dest_height) = 0;
86 86
87 uint8_t* ReadNextLine(); 87 uint8_t* ReadNextLine();
88 88
89 int m_OrigWidth; 89 int m_OrigWidth;
90 int m_OrigHeight; 90 int m_OrigHeight;
91 int m_DownScale; 91 int m_DownScale;
92 int m_OutputWidth; 92 int m_OutputWidth;
93 int m_OutputHeight; 93 int m_OutputHeight;
94 int m_nComps; 94 int m_nComps;
95 int m_bpc; 95 int m_bpc;
96 int m_Pitch; 96 FX_DWORD m_Pitch;
97 FX_BOOL m_bColorTransformed; 97 FX_BOOL m_bColorTransformed;
98 int m_NextLine; 98 int m_NextLine;
99 uint8_t* m_pLastScanline; 99 uint8_t* m_pLastScanline;
100 nonstd::unique_ptr<ImageDataCache> m_pDataCache; 100 nonstd::unique_ptr<ImageDataCache> m_pDataCache;
101 }; 101 };
102 102
103 class CCodec_FaxModule : public ICodec_FaxModule { 103 class CCodec_FaxModule : public ICodec_FaxModule {
104 public: 104 public:
105 // ICodec_FaxModule: 105 // ICodec_FaxModule:
106 ICodec_ScanlineDecoder* CreateDecoder(const uint8_t* src_buf, 106 ICodec_ScanlineDecoder* CreateDecoder(const uint8_t* src_buf,
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406 OPJ_SIZE_T opj_read_from_memory(void* p_buffer, 406 OPJ_SIZE_T opj_read_from_memory(void* p_buffer,
407 OPJ_SIZE_T nb_bytes, 407 OPJ_SIZE_T nb_bytes,
408 void* p_user_data); 408 void* p_user_data);
409 OPJ_SIZE_T opj_write_from_memory(void* p_buffer, 409 OPJ_SIZE_T opj_write_from_memory(void* p_buffer,
410 OPJ_SIZE_T nb_bytes, 410 OPJ_SIZE_T nb_bytes,
411 void* p_user_data); 411 void* p_user_data);
412 OPJ_OFF_T opj_skip_from_memory(OPJ_OFF_T nb_bytes, void* p_user_data); 412 OPJ_OFF_T opj_skip_from_memory(OPJ_OFF_T nb_bytes, void* p_user_data);
413 OPJ_BOOL opj_seek_from_memory(OPJ_OFF_T nb_bytes, void* p_user_data); 413 OPJ_BOOL opj_seek_from_memory(OPJ_OFF_T nb_bytes, void* p_user_data);
414 414
415 #endif // CORE_SRC_FXCODEC_CODEC_CODEC_INT_H_ 415 #endif // CORE_SRC_FXCODEC_CODEC_CODEC_INT_H_
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