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// Copyright 2018 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 XFA_FXFA_CXFA_IMAGERENDERER_H_
#define XFA_FXFA_CXFA_IMAGERENDERER_H_
#include <memory>
#include "core/fxcrt/fx_coordinates.h"
#include "core/fxcrt/retain_ptr.h"
#include "core/fxcrt/unowned_ptr.h"
class CFX_RenderDevice;
class CFX_DIBBase;
class CFX_DIBitmap;
class CFX_ImageTransformer;
class CFX_ImageRenderer;
class CXFA_ImageRenderer {
public:
CXFA_ImageRenderer(CFX_RenderDevice* pDevice,
const RetainPtr<CFX_DIBBase>& pDIBBase,
const CFX_Matrix& mtImage2Device);
~CXFA_ImageRenderer();
bool Start();
bool Continue();
private:
enum class State : uint8_t { kInitial = 0, kTransforming, kStarted };
void CompositeDIBitmap(RetainPtr<CFX_DIBitmap> bitmap, int left, int top);
State m_State = State::kInitial;
CFX_Matrix m_ImageMatrix;
UnownedPtr<CFX_RenderDevice> m_pDevice;
RetainPtr<CFX_DIBBase> m_pDIBBase;
RetainPtr<CFX_DIBitmap> m_pCloneConvert;
std::unique_ptr<CFX_ImageTransformer> m_pTransformer;
std::unique_ptr<CFX_ImageRenderer> m_DeviceHandle;
};
#endif // XFA_FXFA_CXFA_IMAGERENDERER_H_