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      1 // Copyright 2014 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 CORE_INCLUDE_FXGE_FX_GE_WIN32_H_
      8 #define CORE_INCLUDE_FXGE_FX_GE_WIN32_H_
      9 
     10 #ifdef _WIN32
     11 #ifndef _WINDOWS_
     12 #include <windows.h>
     13 #endif
     14 #define WINDIB_OPEN_MEMORY 0x1
     15 #define WINDIB_OPEN_PATHNAME 0x2
     16 typedef struct WINDIB_Open_Args_ {
     17   int flags;
     18 
     19   const uint8_t* memory_base;
     20 
     21   size_t memory_size;
     22 
     23   const FX_WCHAR* path_name;
     24 } WINDIB_Open_Args_;
     25 class CFX_WindowsDIB : public CFX_DIBitmap {
     26  public:
     27   static CFX_ByteString GetBitmapInfo(const CFX_DIBitmap* pBitmap);
     28 
     29   static CFX_DIBitmap* LoadFromBuf(BITMAPINFO* pbmi, void* pData);
     30 
     31   static HBITMAP GetDDBitmap(const CFX_DIBitmap* pBitmap, HDC hDC);
     32 
     33   static CFX_DIBitmap* LoadFromDDB(HDC hDC,
     34                                    HBITMAP hBitmap,
     35                                    FX_DWORD* pPalette = NULL,
     36                                    FX_DWORD size = 256);
     37 
     38   static CFX_DIBitmap* LoadFromFile(const FX_WCHAR* filename);
     39 
     40   static CFX_DIBitmap* LoadFromFile(const FX_CHAR* filename) {
     41     return LoadFromFile(CFX_WideString::FromLocal(filename).c_str());
     42   }
     43 
     44   static CFX_DIBitmap* LoadDIBitmap(WINDIB_Open_Args_ args);
     45 
     46   CFX_WindowsDIB(HDC hDC, int width, int height);
     47 
     48   ~CFX_WindowsDIB();
     49 
     50   HDC GetDC() const { return m_hMemDC; }
     51 
     52   HBITMAP GetWindowsBitmap() const { return m_hBitmap; }
     53 
     54   void LoadFromDevice(HDC hDC, int left, int top);
     55 
     56   void SetToDevice(HDC hDC, int left, int top);
     57 
     58  protected:
     59   HDC m_hMemDC;
     60 
     61   HBITMAP m_hBitmap;
     62 
     63   HBITMAP m_hOldBitmap;
     64 };
     65 class CFX_WindowsDevice : public CFX_RenderDevice {
     66  public:
     67   static IFX_RenderDeviceDriver* CreateDriver(HDC hDC,
     68                                               FX_BOOL bCmykOutput = FALSE);
     69 
     70   CFX_WindowsDevice(HDC hDC,
     71                     FX_BOOL bCmykOutput = FALSE,
     72                     FX_BOOL bForcePSOutput = FALSE,
     73                     int psLevel = 2);
     74 
     75   HDC GetDC() const;
     76 
     77   FX_BOOL m_bForcePSOutput;
     78 
     79   static int m_psLevel;
     80 };
     81 class CFX_WinBitmapDevice : public CFX_RenderDevice {
     82  public:
     83   CFX_WinBitmapDevice(int width, int height, FXDIB_Format format);
     84 
     85   ~CFX_WinBitmapDevice();
     86 
     87   HDC GetDC() { return m_hDC; }
     88 
     89  protected:
     90   HBITMAP m_hBitmap;
     91 
     92   HBITMAP m_hOldBitmap;
     93 
     94   HDC m_hDC;
     95 };
     96 #endif
     97 
     98 #endif  // CORE_INCLUDE_FXGE_FX_GE_WIN32_H_
     99