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// Copyright 2017 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_FXGE_DIB_CFX_IMAGERENDERER_H_
#define CORE_FXGE_DIB_CFX_IMAGERENDERER_H_
#include <memory>
#include "core/fxcrt/fx_coordinates.h"
#include "core/fxcrt/retain_ptr.h"
#include "core/fxcrt/unowned_ptr.h"
#include "core/fxge/dib/cfx_bitmapcomposer.h"
class CFX_DIBBase;
class CFX_DIBitmap;
class CFX_ImageTransformer;
class CFX_ImageStretcher;
class PauseIndicatorIface;
class CFX_ImageRenderer {
public:
CFX_ImageRenderer(const RetainPtr<CFX_DIBitmap>& pDevice,
const CFX_ClipRgn* pClipRgn,
const RetainPtr<CFX_DIBBase>& pSource,
int bitmap_alpha,
uint32_t mask_color,
const CFX_Matrix& matrix,
const FXDIB_ResampleOptions& options,
bool bRgbByteOrder);
~CFX_ImageRenderer();
bool Continue(PauseIndicatorIface* pPause);
private:
enum class State : uint8_t { kInitial = 0, kStretching, kTransforming };
RetainPtr<CFX_DIBitmap> const m_pDevice;
UnownedPtr<const CFX_ClipRgn> const m_pClipRgn;
const CFX_Matrix m_Matrix;
std::unique_ptr<CFX_ImageTransformer> m_pTransformer;
std::unique_ptr<CFX_ImageStretcher> m_Stretcher;
CFX_BitmapComposer m_Composer;
FX_RECT m_ClipBox;
const int m_BitmapAlpha;
uint32_t m_MaskColor;
State m_State = State::kInitial;
const bool m_bRgbByteOrder;
};
#endif // CORE_FXGE_DIB_CFX_IMAGERENDERER_H_