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 _FX_DIRECT_WRITE_ 8 #define _FX_DIRECT_WRITE_ 9 #ifndef DECLSPEC_UUID 10 #if (_MSC_VER >= 1100) && defined (__cplusplus) 11 #define DECLSPEC_UUID(x) __declspec(uuid(x)) 12 #else 13 #define DECLSPEC_UUID(x) 14 #endif 15 #endif 16 #ifndef DECLSPEC_NOVTABLE 17 #if (_MSC_VER >= 1100) && defined(__cplusplus) 18 #define DECLSPEC_NOVTABLE __declspec(novtable) 19 #else 20 #define DECLSPEC_NOVTABLE 21 #endif 22 #endif 23 #if(WINVER < 0x0500) 24 #ifndef _MAC 25 DECLARE_HANDLE(HMONITOR); 26 #endif 27 #endif 28 class CDWriteExt 29 { 30 public: 31 CDWriteExt(); 32 ~CDWriteExt(); 33 34 void Load(); 35 void Unload(); 36 37 FX_BOOL IsAvailable() 38 { 39 return m_pDWriteFactory != NULL; 40 } 41 42 void* DwCreateFontFaceFromStream(FX_LPBYTE pData, FX_DWORD size, int simulation_style); 43 FX_BOOL DwCreateRenderingTarget(CFX_DIBitmap* pSrc, void** renderTarget); 44 void DwDeleteRenderingTarget(void* renderTarget); 45 FX_BOOL DwRendingString(void* renderTarget, CFX_ClipRgn* pClipRgn, FX_RECT& stringRect, CFX_AffineMatrix* pMatrix, 46 void *font, FX_FLOAT font_size, FX_ARGB text_color, 47 int glyph_count, unsigned short* glyph_indices, 48 FX_FLOAT baselineOriginX, FX_FLOAT baselineOriginY, 49 void* glyph_offsets, 50 FX_FLOAT* glyph_advances); 51 void DwDeleteFont(void* pFont); 52 53 protected: 54 void* m_hModule; 55 void* m_pDWriteFactory; 56 void* m_pDwFontContext; 57 void* m_pDwTextRenderer; 58 }; 59 #endif 60
