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/debug.h"
  20 #include "wine/unicode.h"
  21
  22 static inline void *heap_alloc(size_t len)
  23 {
  24     return HeapAlloc(GetProcessHeap(), 0, len);
  25 }
  26
  27 static inline void *heap_alloc_zero(size_t len)
  28 {
  29     return HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, len);
  30 }
  31
  32 static inline void *heap_realloc(void *mem, size_t len)
  33 {
  34     return HeapReAlloc(GetProcessHeap(), 0, mem, len);
  35 }
  36
  37 static inline BOOL heap_free(void *mem)
  38 {
  39     return HeapFree(GetProcessHeap(), 0, mem);
  40 }
  41
  42 static inline LPWSTR heap_strdupW(const WCHAR *str)
  43 {
  44     LPWSTR ret = NULL;
  45
  46     if(str) {
  47         DWORD size;
  48
  49         size = (strlenW(str)+1)*sizeof(WCHAR);
  50         ret = heap_alloc(size);
  51         if(ret)
  52             memcpy(ret, str, size);
  53     }
  54
  55     return ret;
  56 }
  57
  58 static inline LPWSTR heap_strdupnW(const WCHAR *str, UINT32 len)
  59 {
  60     WCHAR *ret = NULL;
  61
  62     if (len)
  63     {
  64         ret = heap_alloc((len+1)*sizeof(WCHAR));
  65         if(ret)
  66         {
  67             memcpy(ret, str, len*sizeof(WCHAR));
  68             ret[len] = 0;
  69         }
  70     }
  71
  72     return ret;
  73 }
  74
  75 static inline const char *debugstr_range(const DWRITE_TEXT_RANGE *range)
  76 {
  77     return wine_dbg_sprintf("%u:%u", range->startPosition, range->length);
  78 }
  79
  80 extern HRESULT create_font_from_logfont(const LOGFONTW*, IDWriteFont**) DECLSPEC_HIDDEN;
  81 extern HRESULT convert_fontface_to_logfont(IDWriteFontFace*, LOGFONTW*) DECLSPEC_HIDDEN;
  82 extern HRESULT create_textformat(const WCHAR*,IDWriteFontCollection*,DWRITE_FONT_WEIGHT,DWRITE_FONT_STYLE,DWRITE_FONT_STRETCH,
  83                                  FLOAT,const WCHAR*,IDWriteTextFormat**) DECLSPEC_HIDDEN;
  84 extern HRESULT create_textlayout(const WCHAR*,UINT32,IDWriteTextFormat*,FLOAT,FLOAT,IDWriteTextLayout**) DECLSPEC_HIDDEN;
  85 extern HRESULT create_trimmingsign(IDWriteInlineObject**) DECLSPEC_HIDDEN;
  86 extern HRESULT get_gdiinterop(IDWriteGdiInterop**) DECLSPEC_HIDDEN;
  87 extern HRESULT create_localizedstrings(IDWriteLocalizedStrings**) DECLSPEC_HIDDEN;
  88 extern HRESULT add_localizedstring(IDWriteLocalizedStrings*,const WCHAR*,const WCHAR*) DECLSPEC_HIDDEN;
  89 extern HRESULT get_system_fontcollection(IDWriteFontCollection**) DECLSPEC_HIDDEN;
  90 extern void release_system_fontcollection(void) DECLSPEC_HIDDEN;
  91 extern HRESULT get_textanalyzer(IDWriteTextAnalyzer**) DECLSPEC_HIDDEN;
  92 extern HRESULT create_font_file(IDWriteFontFileLoader *loader, const void *reference_key, UINT32 key_size, IDWriteFontFile **font_file) DECLSPEC_HIDDEN;
  93 extern HRESULT font_create_fontface(IDWriteFactory *iface, DWRITE_FONT_FACE_TYPE facetype, UINT32 files_number, IDWriteFontFile* const* font_files, UINT32 index, DWRITE_FONT_SIMULATIONS sim_flags, IDWriteFontFace **font_face) DECLSPEC_HIDDEN;
  94
  95 /* Opentype font table functions */
  96 extern HRESULT analyze_opentype_font(const void* font_data, UINT32* font_count, DWRITE_FONT_FILE_TYPE *file_type, DWRITE_FONT_FACE_TYPE *face_type, BOOL *supported) DECLSPEC_HIDDEN;
  97 extern HRESULT find_font_table(IDWriteFontFileStream *stream, UINT32 font_index, UINT32 tag, const void** table_data, void** table_context, UINT32 *table_size, BOOL* found) DECLSPEC_HIDDEN;