dlls/dwrite/dwrite_private.h

   1 /*
   2  * Copyright 2012 Nikolay Sivov for CodeWeavers
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  17  */
  18
  19 #include "wine/unicode.h"
  20
  21 static inline void *heap_alloc(size_t len)
  22 {
  23     return HeapAlloc(GetProcessHeap(), 0, len);
  24 }
  25
  26 static inline void *heap_alloc_zero(size_t len)
  27 {
  28     return HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, len);
  29 }
  30
  31 static inline void *heap_realloc(void *mem, size_t len)
  32 {
  33     return HeapReAlloc(GetProcessHeap(), 0, mem, len);
  34 }
  35
  36 static inline BOOL heap_free(void *mem)
  37 {
  38     return HeapFree(GetProcessHeap(), 0, mem);
  39 }
  40
  41 static inline LPWSTR heap_strdupW(const WCHAR *str)
  42 {
  43     LPWSTR ret = NULL;
  44
  45     if(str) {
  46         DWORD size;
  47
  48         size = (strlenW(str)+1)*sizeof(WCHAR);
  49         ret = heap_alloc(size);
  50         if(ret)
  51             memcpy(ret, str, size);
  52     }
  53
  54     return ret;
  55 }
  56
  57 static inline LPWSTR heap_strdupnW(const WCHAR *str, UINT32 len)
  58 {
  59     WCHAR *ret = NULL;
  60
  61     if (len)
  62     {
  63         ret = heap_alloc((len+1)*sizeof(WCHAR));
  64         if(ret)
  65         {
  66             memcpy(ret, str, len*sizeof(WCHAR));
  67             ret[len] = 0;
  68         }
  69     }
  70
  71     return ret;
  72 }
  73
  74 extern HRESULT create_font_from_logfont(const LOGFONTW*, IDWriteFont**) DECLSPEC_HIDDEN;
  75 extern HRESULT convert_fontface_to_logfont(IDWriteFontFace*, LOGFONTW*) DECLSPEC_HIDDEN;
  76 extern HRESULT create_textformat(const WCHAR*,IDWriteFontCollection*,DWRITE_FONT_WEIGHT,DWRITE_FONT_STYLE,DWRITE_FONT_STRETCH,
  77                                  FLOAT,const WCHAR*,IDWriteTextFormat**) DECLSPEC_HIDDEN;
  78 extern HRESULT create_textlayout(const WCHAR*,UINT32,IDWriteTextFormat*,IDWriteTextLayout**) DECLSPEC_HIDDEN;
  79 extern HRESULT get_gdiinterop(IDWriteGdiInterop**) DECLSPEC_HIDDEN;
  80 extern HRESULT create_localizedstrings(IDWriteLocalizedStrings**) DECLSPEC_HIDDEN;
  81 extern HRESULT add_localizedstring(IDWriteLocalizedStrings*,const WCHAR*,const WCHAR*) DECLSPEC_HIDDEN;
  82 extern HRESULT get_system_fontcollection(IDWriteFontCollection**) DECLSPEC_HIDDEN;
  83 extern void release_system_fontcollection(void) DECLSPEC_HIDDEN;
  84 extern HRESULT get_textanalyzer(IDWriteTextAnalyzer**) DECLSPEC_HIDDEN;