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_FXGE_WIN32_CFX_WINDOWSDIB_H_ 8 #define CORE_FXGE_WIN32_CFX_WINDOWSDIB_H_ 9 #ifdef _WIN32 10 #ifndef _WINDOWS_ 11 #include <windows.h> 12 #endif 13 14 #include "core/fxcrt/bytestring.h" 15 #include "core/fxge/dib/cfx_dibitmap.h" 16 17 #define WINDIB_OPEN_MEMORY 0x1 18 #define WINDIB_OPEN_PATHNAME 0x2 19 20 typedef struct WINDIB_Open_Args_ { 21 int flags; 22 23 const uint8_t* memory_base; 24 25 size_t memory_size; 26 27 const wchar_t* path_name; 28 } WINDIB_Open_Args_; 29 30 class CFX_WindowsDIB : public CFX_DIBitmap { 31 public: 32 template <typename T, typename... Args> 33 friend RetainPtr<T> pdfium::MakeRetain(Args&&... args); 34 35 ~CFX_WindowsDIB() override; 36 37 static ByteString GetBitmapInfo(const RetainPtr<CFX_DIBitmap>& pBitmap); 38 static HBITMAP GetDDBitmap(const RetainPtr<CFX_DIBitmap>& pBitmap, HDC hDC); 39 40 static RetainPtr<CFX_DIBitmap> LoadFromBuf(BITMAPINFO* pbmi, void* pData); 41 static RetainPtr<CFX_DIBitmap> LoadFromFile(const wchar_t* filename); 42 static RetainPtr<CFX_DIBitmap> LoadFromFile(const char* filename); 43 static RetainPtr<CFX_DIBitmap> LoadDIBitmap(WINDIB_Open_Args_ args); 44 GetWindowsBitmap()45 HBITMAP GetWindowsBitmap() const { return m_hBitmap; } 46 47 void LoadFromDevice(HDC hDC, int left, int top); 48 void SetToDevice(HDC hDC, int left, int top); 49 50 protected: 51 CFX_WindowsDIB(HDC hDC, int width, int height); 52 53 HDC m_hMemDC; 54 HBITMAP m_hBitmap; 55 HBITMAP m_hOldBitmap; 56 }; 57 58 #endif // _WIN32 59 60 #endif // CORE_FXGE_WIN32_CFX_WINDOWSDIB_H_ 61