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_SRC_FXCODEC_JBIG2_JBIG2_IMAGE_H_ 8 #define CORE_SRC_FXCODEC_JBIG2_JBIG2_IMAGE_H_ 9 10 #include "JBig2_Define.h" 11 12 enum JBig2ComposeOp { 13 JBIG2_COMPOSE_OR = 0, 14 JBIG2_COMPOSE_AND = 1, 15 JBIG2_COMPOSE_XOR = 2, 16 JBIG2_COMPOSE_XNOR = 3, 17 JBIG2_COMPOSE_REPLACE = 4 18 }; 19 20 struct FX_RECT; 21 class CJBig2_Image { 22 public: 23 CJBig2_Image(int32_t w, int32_t h); 24 25 CJBig2_Image(int32_t w, int32_t h, int32_t stride, uint8_t* pBuf); 26 27 CJBig2_Image(const CJBig2_Image& im); 28 29 ~CJBig2_Image(); 30 31 FX_BOOL getPixel(int32_t x, int32_t y); 32 33 int32_t setPixel(int32_t x, int32_t y, FX_BOOL v); 34 35 void copyLine(int32_t hTo, int32_t hFrom); 36 37 void fill(FX_BOOL v); 38 39 FX_BOOL composeTo(CJBig2_Image* pDst, 40 int32_t x, 41 int32_t y, 42 JBig2ComposeOp op); 43 FX_BOOL composeTo(CJBig2_Image* pDst, 44 int32_t x, 45 int32_t y, 46 JBig2ComposeOp op, 47 const FX_RECT* pSrcRect); 48 49 FX_BOOL composeTo_opt2(CJBig2_Image* pDst, 50 int32_t x, 51 int32_t y, 52 JBig2ComposeOp op); 53 FX_BOOL composeTo_opt2(CJBig2_Image* pDst, 54 int32_t x, 55 int32_t y, 56 JBig2ComposeOp op, 57 const FX_RECT* pSrcRect); 58 59 FX_BOOL composeFrom(int32_t x, 60 int32_t y, 61 CJBig2_Image* pSrc, 62 JBig2ComposeOp op); 63 FX_BOOL composeFrom(int32_t x, 64 int32_t y, 65 CJBig2_Image* pSrc, 66 JBig2ComposeOp op, 67 const FX_RECT* pSrcRect); 68 69 CJBig2_Image* subImage(int32_t x, int32_t y, int32_t w, int32_t h); 70 71 void expand(int32_t h, FX_BOOL v); 72 73 public: 74 int32_t m_nWidth; 75 76 int32_t m_nHeight; 77 78 int32_t m_nStride; 79 80 uint8_t* m_pData; 81 82 FX_BOOL m_bNeedFree; 83 }; 84 85 #endif // CORE_SRC_FXCODEC_JBIG2_JBIG2_IMAGE_H_ 86
