core/fxcodec/codec/fx_codec_progress.h - Issue 1876023003: Remove ICodec_* Interfaces.

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Issue 1876023003: Remove ICodec_* Interfaces. (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@master

Patch Set: Created 4 years, 8 months ago

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1 // Copyright 2014 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_FX_CODEC_PROGRESS_H_

8 #define CORE_FXCODEC_CODEC_FX_CODEC_PROGRESS_H_

9

10 #include "core/fxcodec/include/fx_codec.h"

11 #include "core/fxcrt/include/fx_memory.h"

12 #include "core/fxcrt/include/fx_system.h"

13 #include "core/fxge/include/fx_dib.h"

14

15 #define FXCODEC_BLOCK_SIZE 4096

16 #define FXCODEC_PNG_GAMMA 2.2

17

18 #if _FX_OS_ == _FX_MACOSX_ \|\| _FX_OS_ == _FX_IOS_

19 #undef FXCODEC_PNG_GAMMA

20 #define FXCODEC_PNG_GAMMA 1.7

21 #endif

22

23 struct PixelWeight {

24 int m_SrcStart;

25 int m_SrcEnd;

26 int m_Weights[1];

27 };

28

29 class CFXCODEC_WeightTable {

30 public:

31 CFXCODEC_WeightTable() { m_pWeightTables = NULL; }

32 ~CFXCODEC_WeightTable() { FX_Free(m_pWeightTables); }

33

34 void Calc(int dest_len,

35 int dest_min,

36 int dest_max,

37 int src_len,

38 int src_min,

39 int src_max,

40 FX_BOOL bInterpol);

41 PixelWeight* GetPixelWeight(int pixel) {

42 return (PixelWeight)(m_pWeightTables + (pixel - m_DestMin) m_ItemSize);

43 }

44

45 int m_DestMin, m_ItemSize;

46 uint8_t* m_pWeightTables;

47 };

48 class CFXCODEC_HorzTable {

49 public:

50 CFXCODEC_HorzTable() { m_pWeightTables = NULL; }

51 ~CFXCODEC_HorzTable() { FX_Free(m_pWeightTables); }

52

53 void Calc(int dest_len, int src_len, FX_BOOL bInterpol);

54 PixelWeight* GetPixelWeight(int pixel) {

55 return (PixelWeight)(m_pWeightTables + pixel m_ItemSize);

56 }

57

58 int m_ItemSize;

59 uint8_t* m_pWeightTables;

60 };

61 class CFXCODEC_VertTable {

62 public:

63 CFXCODEC_VertTable() { m_pWeightTables = NULL; }

64 ~CFXCODEC_VertTable() { FX_Free(m_pWeightTables); }

65 void Calc(int dest_len, int src_len);

66 PixelWeight* GetPixelWeight(int pixel) {

67 return (PixelWeight)(m_pWeightTables + pixel m_ItemSize);

68 }

69 int m_ItemSize;

70 uint8_t* m_pWeightTables;

71 };

72 enum FXCodec_Format {

73 FXCodec_Invalid = 0,

74 FXCodec_1bppGray = 0x101,

75 FXCodec_1bppRgb = 0x001,

76 FXCodec_8bppGray = 0x108,

77 FXCodec_8bppRgb = 0x008,

78 FXCodec_Rgb = 0x018,

79 FXCodec_Rgb32 = 0x020,

80 FXCodec_Argb = 0x220,

81 FXCodec_Cmyk = 0x120

82 };

83 class CCodec_ProgressiveDecoder : public ICodec_ProgressiveDecoder {

84 public:

85 CCodec_ProgressiveDecoder(CCodec_ModuleMgr* pCodecMgr);

86 ~CCodec_ProgressiveDecoder() override;

87

88 FXCODEC_STATUS LoadImageInfo(IFX_FileRead* pFile,

89 FXCODEC_IMAGE_TYPE imageType,

90 CFX_DIBAttribute* pAttribute) override;

91

92 FXCODEC_IMAGE_TYPE GetType() const override { return m_imagType; }

93 int32_t GetWidth() const override { return m_SrcWidth; }

94 int32_t GetHeight() const override { return m_SrcHeight; }

95 int32_t GetNumComponents() const override { return m_SrcComponents; }

96 int32_t GetBPC() const override { return m_SrcBPC; }

97 void SetClipBox(FX_RECT* clip) override;

98

99 FXCODEC_STATUS GetFrames(int32_t& frames, IFX_Pause* pPause) override;

100 FXCODEC_STATUS StartDecode(CFX_DIBitmap* pDIBitmap,

101 int start_x,

102 int start_y,

103 int size_x,

104 int size_y,

105 int32_t frames,

106 FX_BOOL bInterpol) override;

107

108 FXCODEC_STATUS ContinueDecode(IFX_Pause* pPause) override;

109

110 protected:

111 static FX_BOOL PngReadHeaderFunc(void* pModule,

112 int width,

113 int height,

114 int bpc,

115 int pass,

116 int* color_type,

117 double* gamma);

118 static FX_BOOL PngAskScanlineBufFunc(void* pModule,

119 int line,

120 uint8_t*& src_buf);

121 static void PngFillScanlineBufCompletedFunc(void* pModule,

122 int pass,

123 int line);

124 static void GifRecordCurrentPositionCallback(void* pModule,

125 uint32_t& cur_pos);

126 static uint8_t* GifAskLocalPaletteBufCallback(void* pModule,

127 int32_t frame_num,

128 int32_t pal_size);

129 static FX_BOOL GifInputRecordPositionBufCallback(void* pModule,

130 uint32_t rcd_pos,

131 const FX_RECT& img_rc,

132 int32_t pal_num,

133 void* pal_ptr,

134 int32_t delay_time,

135 FX_BOOL user_input,

136 int32_t trans_index,

137 int32_t disposal_method,

138 FX_BOOL interlace);

139 static void GifReadScanlineCallback(void* pModule,

140 int32_t row_num,

141 uint8_t* row_buf);

142 static FX_BOOL BmpInputImagePositionBufCallback(void* pModule,

143 uint32_t rcd_pos);

144 static void BmpReadScanlineCallback(void* pModule,

145 int32_t row_num,

146 uint8_t* row_buf);

147

148 FX_BOOL DetectImageType(FXCODEC_IMAGE_TYPE imageType,

149 CFX_DIBAttribute* pAttribute);

150 void GetDownScale(int& down_scale);

151 void GetTransMethod(FXDIB_Format des_format, FXCodec_Format src_format);

152 void ReSampleScanline(CFX_DIBitmap* pDeviceBitmap,

153 int32_t des_line,

154 uint8_t* src_scan,

155 FXCodec_Format src_format);

156 void Resample(CFX_DIBitmap* pDeviceBitmap,

157 int32_t src_line,

158 uint8_t* src_scan,

159 FXCodec_Format src_format);

160 void ResampleVert(CFX_DIBitmap* pDeviceBitmap, double scale_y, int des_row);

161 FX_BOOL JpegReadMoreData(ICodec_JpegModule* pJpegModule,

162 FXCODEC_STATUS& err_status);

163 void PngOneOneMapResampleHorz(CFX_DIBitmap* pDeviceBitmap,

164 int32_t des_line,

165 uint8_t* src_scan,

166 FXCodec_Format src_format);

167 FX_BOOL GifReadMoreData(ICodec_GifModule* pGifModule,

168 FXCODEC_STATUS& err_status);

169 void GifDoubleLineResampleVert(CFX_DIBitmap* pDeviceBitmap,

170 double scale_y,

171 int des_row);

172 FX_BOOL BmpReadMoreData(ICodec_BmpModule* pBmpModule,

173 FXCODEC_STATUS& err_status);

174 void ResampleVertBT(CFX_DIBitmap* pDeviceBitmap, double scale_y, int des_row);

175

176 public:

177 IFX_FileRead* m_pFile;

178 CCodec_ModuleMgr* m_pCodecMgr;

179 void* m_pJpegContext;

180 void* m_pPngContext;

181 void* m_pGifContext;

182 void* m_pBmpContext;

183 void* m_pTiffContext;

184 FXCODEC_IMAGE_TYPE m_imagType;

185 uint32_t m_offSet;

186 uint8_t* m_pSrcBuf;

187 uint32_t m_SrcSize;

188 uint8_t* m_pDecodeBuf;

189 int m_ScanlineSize;

190 CFX_DIBitmap* m_pDeviceBitmap;

191 FX_BOOL m_bInterpol;

192 CFXCODEC_WeightTable m_WeightHorz;

193 CFXCODEC_VertTable m_WeightVert;

194 CFXCODEC_HorzTable m_WeightHorzOO;

195 int m_SrcWidth;

196 int m_SrcHeight;

197 int m_SrcComponents;

198 int m_SrcBPC;

199 FX_RECT m_clipBox;

200 int m_startX;

201 int m_startY;

202 int m_sizeX;

203 int m_sizeY;

204 int m_TransMethod;

205 FX_ARGB* m_pSrcPalette;

206 int m_SrcPaletteNumber;

207 int m_SrcRow;

208 FXCodec_Format m_SrcFormat;

209 int m_SrcPassNumber;

210 int m_FrameNumber;

211 int m_FrameCur;

212 int m_GifBgIndex;

213 uint8_t* m_pGifPalette;

214 int32_t m_GifPltNumber;

215 int m_GifTransIndex;

216 FX_RECT m_GifFrameRect;

217 FX_BOOL m_BmpIsTopBottom;

218 FXCODEC_STATUS m_status;

219 };

220

221 #endif // CORE_FXCODEC_CODEC_FX_CODEC_PROGRESS_H_

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