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// Copyright 2016 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_FPDFAPI_PAGE_CPDF_IMAGE_H_
#define CORE_FPDFAPI_PAGE_CPDF_IMAGE_H_
#include "core/fpdfapi/parser/cpdf_stream.h"
#include "core/fxcrt/fx_system.h"
#define PDF_IMAGE_NO_COMPRESS 0x0000
#define PDF_IMAGE_LOSSY_COMPRESS 0x0001
#define PDF_IMAGE_LOSSLESS_COMPRESS 0x0002
#define PDF_IMAGE_MASK_LOSSY_COMPRESS 0x0004
#define PDF_IMAGE_MASK_LOSSLESS_COMPRESS 0x0008
class CFX_DIBSource;
class CFX_DIBitmap;
class CPDF_Dictionay;
class CPDF_Document;
class CPDF_Page;
class IFX_Pause;
class IFX_SeekableReadStream;
class IFX_SeekableWriteStream;
class CPDF_Image {
public:
explicit CPDF_Image(CPDF_Document* pDoc);
CPDF_Image(CPDF_Document* pDoc, UniqueStream pStream);
CPDF_Image(CPDF_Document* pDoc, uint32_t dwStreamObjNum);
~CPDF_Image();
CPDF_Image* Clone();
CPDF_Dictionary* GetInlineDict() const { return m_pDict; }
CPDF_Stream* GetStream() const { return m_pStream; }
CPDF_Dictionary* GetDict() const {
return m_pStream ? m_pStream->GetDict() : nullptr;
}
CPDF_Dictionary* GetOC() const { return m_pOC; }
CPDF_Document* GetDocument() const { return m_pDocument; }
int32_t GetPixelHeight() const { return m_Height; }
int32_t GetPixelWidth() const { return m_Width; }
bool IsInline() const { return !!m_pOwnedStream; }
bool IsMask() const { return m_bIsMask; }
bool IsInterpol() const { return m_bInterpolate; }
CFX_DIBSource* LoadDIBSource(CFX_DIBSource** ppMask = nullptr,
uint32_t* pMatteColor = nullptr,
FX_BOOL bStdCS = FALSE,
uint32_t GroupFamily = 0,
FX_BOOL bLoadMask = FALSE) const;
void SetImage(const CFX_DIBitmap* pDIBitmap, int32_t iCompress);
void SetJpegImage(IFX_SeekableReadStream* pFile);
void ResetCache(CPDF_Page* pPage, const CFX_DIBitmap* pDIBitmap);
FX_BOOL StartLoadDIBSource(CPDF_Dictionary* pFormResource,
CPDF_Dictionary* pPageResource,
FX_BOOL bStdCS = FALSE,
uint32_t GroupFamily = 0,
FX_BOOL bLoadMask = FALSE);
FX_BOOL Continue(IFX_Pause* pPause);
CFX_DIBSource* DetachBitmap();
CFX_DIBSource* DetachMask();
CFX_DIBSource* m_pDIBSource = nullptr;
CFX_DIBSource* m_pMask = nullptr;
uint32_t m_MatteColor = 0;
private:
void FinishInitialization();
CPDF_Dictionary* InitJPEG(uint8_t* pData, uint32_t size);
int32_t m_Height = 0;
int32_t m_Width = 0;
bool m_bIsMask = false;
bool m_bInterpolate = false;
CPDF_Document* const m_pDocument;
CPDF_Stream* m_pStream = nullptr;
CPDF_Dictionary* m_pDict = nullptr;
UniqueStream m_pOwnedStream;
UniqueDictionary m_pOwnedDict;
CPDF_Dictionary* m_pOC = nullptr;
};
#endif // CORE_FPDFAPI_PAGE_CPDF_IMAGE_H_
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