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// 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) const;
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_
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