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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 _JBIG2_IMAGE_H_
#define _JBIG2_IMAGE_H_
#include "JBig2_Define.h"
#include "JBig2_Module.h"
typedef enum {
JBIG2_COMPOSE_OR = 0,
JBIG2_COMPOSE_AND = 1,
JBIG2_COMPOSE_XOR = 2,
JBIG2_COMPOSE_XNOR = 3,
JBIG2_COMPOSE_REPLACE = 4
} JBig2ComposeOp;
struct FX_RECT;
class CJBig2_Image : public CJBig2_Object
{
public:
CJBig2_Image(FX_INT32 w, FX_INT32 h);
CJBig2_Image(FX_INT32 w, FX_INT32 h, FX_INT32 stride, FX_BYTE*pBuf);
CJBig2_Image(CJBig2_Image &im);
~CJBig2_Image();
FX_BOOL getPixel(FX_INT32 x, FX_INT32 y);
FX_INT32 setPixel(FX_INT32 x, FX_INT32 y, FX_BOOL v);
void copyLine(FX_INT32 hTo, FX_INT32 hFrom);
void fill(FX_BOOL v);
FX_BOOL composeTo(CJBig2_Image *pDst, FX_INT32 x, FX_INT32 y, JBig2ComposeOp op);
FX_BOOL composeTo(CJBig2_Image *pDst, FX_INT32 x, FX_INT32 y, JBig2ComposeOp op, const FX_RECT* pSrcRect);
FX_BOOL composeTo_unopt(CJBig2_Image *pDst, FX_INT32 x, FX_INT32 y, JBig2ComposeOp op);
FX_BOOL composeTo_opt(CJBig2_Image *pDst, FX_INT32 x, FX_INT32 y, JBig2ComposeOp op);
FX_BOOL composeTo_opt2(CJBig2_Image *pDst, FX_INT32 x, FX_INT32 y, JBig2ComposeOp op);
FX_BOOL composeTo_opt2(CJBig2_Image *pDst, FX_INT32 x, FX_INT32 y, JBig2ComposeOp op, const FX_RECT* pSrcRect);
FX_BOOL composeFrom(FX_INT32 x, FX_INT32 y, CJBig2_Image *pSrc, JBig2ComposeOp op);
FX_BOOL composeFrom(FX_INT32 x, FX_INT32 y, CJBig2_Image *pSrc, JBig2ComposeOp op, const FX_RECT* pSrcRect);
CJBig2_Image *subImage_unopt(FX_INT32 x, FX_INT32 y, FX_INT32 w, FX_INT32 h);
CJBig2_Image *subImage(FX_INT32 x, FX_INT32 y, FX_INT32 w, FX_INT32 h);
void expand(FX_INT32 h, FX_BOOL v);
public:
FX_INT32 m_nWidth;
FX_INT32 m_nHeight;
FX_INT32 m_nStride;
FX_BYTE *m_pData;
FX_BOOL m_bNeedFree;
};
#endif
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