| // Copyright 2014 PDFium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
| |
| #ifndef CORE_FXCODEC_JBIG2_JBIG2_IMAGE_H_ |
| #define CORE_FXCODEC_JBIG2_JBIG2_IMAGE_H_ |
| |
| #include <memory> |
| |
| #include "core/fxcodec/jbig2/JBig2_Define.h" |
| |
| struct FX_RECT; |
| |
| enum JBig2ComposeOp { |
| JBIG2_COMPOSE_OR = 0, |
| JBIG2_COMPOSE_AND = 1, |
| JBIG2_COMPOSE_XOR = 2, |
| JBIG2_COMPOSE_XNOR = 3, |
| JBIG2_COMPOSE_REPLACE = 4 |
| }; |
| |
| class CJBig2_Image { |
| public: |
| CJBig2_Image(int32_t w, int32_t h); |
| CJBig2_Image(int32_t w, int32_t h, int32_t stride, uint8_t* pBuf); |
| CJBig2_Image(const CJBig2_Image& im); |
| ~CJBig2_Image(); |
| |
| int32_t width() const { return m_nWidth; } |
| int32_t height() const { return m_nHeight; } |
| int32_t stride() const { return m_nStride; } |
| |
| int getPixel(int32_t x, int32_t y); |
| int32_t setPixel(int32_t x, int32_t y, int bVal); |
| |
| void copyLine(int32_t hTo, int32_t hFrom); |
| void fill(bool v); |
| |
| bool composeTo(CJBig2_Image* pDst, int32_t x, int32_t y, JBig2ComposeOp op); |
| bool composeTo(CJBig2_Image* pDst, |
| int32_t x, |
| int32_t y, |
| JBig2ComposeOp op, |
| const FX_RECT* pSrcRect); |
| |
| bool composeTo_opt2(CJBig2_Image* pDst, |
| int32_t x, |
| int32_t y, |
| JBig2ComposeOp op); |
| bool composeTo_opt2(CJBig2_Image* pDst, |
| int32_t x, |
| int32_t y, |
| JBig2ComposeOp op, |
| const FX_RECT* pSrcRect); |
| |
| bool composeFrom(int32_t x, int32_t y, CJBig2_Image* pSrc, JBig2ComposeOp op); |
| bool composeFrom(int32_t x, |
| int32_t y, |
| CJBig2_Image* pSrc, |
| JBig2ComposeOp op, |
| const FX_RECT* pSrcRect); |
| |
| std::unique_ptr<CJBig2_Image> subImage(int32_t x, |
| int32_t y, |
| int32_t w, |
| int32_t h); |
| void expand(int32_t h, bool v); |
| |
| uint8_t* m_pData; |
| |
| private: |
| int32_t m_nWidth; // 1-bit pixels |
| int32_t m_nHeight; // lines |
| int32_t m_nStride; // bytes |
| bool m_bOwnsBuffer; |
| }; |
| |
| #endif // CORE_FXCODEC_JBIG2_JBIG2_IMAGE_H_ |