/src/freetype/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
58FT_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
75FT_END_HEADER
76
77#endif /* __FTSYNTH_H__ */
78
79
80/* END */