thirdparty/freetype-2.3.12/include/freetype/ftsynth.h

   1 /***************************************************************************/
   2 /*                                                                         */
   3 /*  ftsynth.h                                                              */
   4 /*                                                                         */
   5 /*    FreeType synthesizing code for emboldening and slanting              */
   6 /*    (specification).                                                     */
   7 /*                                                                         */
   8 /*  Copyright 2000-2001, 2003, 2006, 2008 by                               */
   9 /*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
  10 /*                                                                         */
  11 /*  This file is part of the FreeType project, and may only be used,       */
  12 /*  modified, and distributed under the terms of the FreeType project      */
  13 /*  license, LICENSE.TXT.  By continuing to use, modify, or distribute     */
  14 /*  this file you indicate that you have read the license and              */
  15 /*  understand and accept it fully.                                        */
  16 /*                                                                         */
  17 /***************************************************************************/
  18
  19
  20   /*************************************************************************/
  21   /*************************************************************************/
  22   /*************************************************************************/
  23   /*************************************************************************/
  24   /*************************************************************************/
  25   /*********                                                       *********/
  26   /*********        WARNING, THIS IS ALPHA CODE!  THIS API         *********/
  27   /*********    IS DUE TO CHANGE UNTIL STRICTLY NOTIFIED BY THE    *********/
  28   /*********            FREETYPE DEVELOPMENT TEAM                  *********/
  29   /*********                                                       *********/
  30   /*************************************************************************/
  31   /*************************************************************************/
  32   /*************************************************************************/
  33   /*************************************************************************/
  34   /*************************************************************************/
  35
  36
  37   /* Main reason for not lifting the functions in this module to a  */
  38   /* `standard' API is that the used parameters for emboldening and */
  39   /* slanting are not configurable.  Consider the functions as a    */
  40   /* code resource which should be copied into the application and  */
  41   /* adapted to the particular needs.                               */
  42
  43
  44 #ifndef __FTSYNTH_H__
  45 #define __FTSYNTH_H__
  46
  47
  48 #include <ft2build.h>
  49 #include FT_FREETYPE_H
  50
  51 #ifdef FREETYPE_H
  52 #error "freetype.h of FreeType 1 has been loaded!"
  53 #error "Please fix the directory search order for header files"
  54 #error "so that freetype.h of FreeType 2 is found first."
  55 #endif
  56
  57
  58 FT_BEGIN_HEADER
  59
  60   /* Embolden a glyph by a `reasonable' value (which is highly a matter of */
  61   /* taste).  This function is actually a convenience function, providing  */
  62   /* a wrapper for @FT_Outline_Embolden and @FT_Bitmap_Embolden.           */
  63   /*                                                                       */
  64   /* For emboldened outlines the metrics are estimates only; if you need   */
  65   /* precise values you should call @FT_Outline_Get_CBox.                  */
  66   FT_EXPORT( void )
  67   FT_GlyphSlot_Embolden( FT_GlyphSlot  slot );
  68
  69   /* Slant an outline glyph to the right by about 12 degrees. */
  70   FT_EXPORT( void )
  71   FT_GlyphSlot_Oblique( FT_GlyphSlot  slot );
  72
  73   /* */
  74
  75 FT_END_HEADER
  76
  77 #endif /* __FTSYNTH_H__ */
  78
  79
  80 /* END */