1 // Copyright 2018 PDFium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
6 
7 #ifndef XFA_FXFA_CXFA_IMAGERENDERER_H_
8 #define XFA_FXFA_CXFA_IMAGERENDERER_H_
9 
10 #include <memory>
11 
12 #include "core/fxcrt/fx_coordinates.h"
13 #include "core/fxcrt/retain_ptr.h"
14 #include "core/fxcrt/unowned_ptr.h"
15 
16 class CFX_RenderDevice;
17 class CFX_DIBBase;
18 class CFX_DIBitmap;
19 class CFX_ImageTransformer;
20 class CFX_ImageRenderer;
21 
22 class CXFA_ImageRenderer {
23  public:
24   CXFA_ImageRenderer(CFX_RenderDevice* pDevice,
25                      const RetainPtr<CFX_DIBBase>& pDIBBase,
26                      const CFX_Matrix* pImage2Device);
27   ~CXFA_ImageRenderer();
28 
29   bool Start();
30   bool Continue();
31 
32  private:
33   void CompositeDIBitmap(const RetainPtr<CFX_DIBitmap>& pDIBitmap,
34                          int left,
35                          int top);
36 
37   UnownedPtr<CFX_RenderDevice> m_pDevice;
38   int m_Status = 0;
39   CFX_Matrix m_ImageMatrix;
40   RetainPtr<CFX_DIBBase> m_pDIBBase;
41   RetainPtr<CFX_DIBitmap> m_pCloneConvert;
42   std::unique_ptr<CFX_ImageTransformer> m_pTransformer;
43   std::unique_ptr<CFX_ImageRenderer> m_DeviceHandle;
44 };
45 
46 #endif  // XFA_FXFA_CXFA_IMAGERENDERER_H_
47