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// Copyright 2016 The PDFium Authors
// 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_IMAGELOADER_H_
#define CORE_FPDFAPI_PAGE_CPDF_IMAGELOADER_H_
#include "core/fpdfapi/page/cpdf_colorspace.h"
#include "core/fxcrt/retain_ptr.h"
#include "core/fxcrt/unowned_ptr.h"
class CFX_DIBBase;
class CPDF_Dictionary;
class CPDF_ImageObject;
class CPDF_PageImageCache;
class CPDF_TransferFunc;
class PauseIndicatorIface;
class CPDF_ImageLoader {
public:
CPDF_ImageLoader();
~CPDF_ImageLoader();
bool Start(const CPDF_ImageObject* pImage,
CPDF_PageImageCache* pPageImageCache,
const CPDF_Dictionary* pFormResource,
const CPDF_Dictionary* pPageResource,
bool bStdCS,
CPDF_ColorSpace::Family eFamily,
bool bLoadMask,
const CFX_Size& max_size_required);
bool Continue(PauseIndicatorIface* pPause);
RetainPtr<CFX_DIBBase> TranslateImage(
RetainPtr<CPDF_TransferFunc> pTransferFunc);
const RetainPtr<CFX_DIBBase>& GetBitmap() const { return m_pBitmap; }
const RetainPtr<CFX_DIBBase>& GetMask() const { return m_pMask; }
uint32_t MatteColor() const { return m_MatteColor; }
private:
void Finish();
uint32_t m_MatteColor = 0;
bool m_bCached = false;
RetainPtr<CFX_DIBBase> m_pBitmap;
RetainPtr<CFX_DIBBase> m_pMask;
UnownedPtr<CPDF_PageImageCache> m_pCache;
UnownedPtr<const CPDF_ImageObject> m_pImageObject;
};
#endif // CORE_FPDFAPI_PAGE_CPDF_IMAGELOADER_H_