git.r.bdr.sh / rbdr / super-polarity / blame
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1 | /***************************************************************************/ |
| 2 | /* */ | |
| 3 | /* ftsynth.h */ | |
| 4 | /* */ | |
| 5 | /* FreeType synthesizing code for emboldening and slanting */ | |
| 6 | /* (specification). */ | |
| 7 | /* */ | |
| 8 | /* Copyright 2000-2001, 2003, 2006, 2008, 2012 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 height, width, and advance metrics are */ | |
| 65 | /* increased by the strength of the emboldening. You can also call */ | |
| 66 | /* @FT_Outline_Get_CBox to get precise values. */ | |
| 67 | FT_EXPORT( void ) | |
| 68 | FT_GlyphSlot_Embolden( FT_GlyphSlot slot ); | |
| 69 | ||
| 70 | /* Slant an outline glyph to the right by about 12 degrees. */ | |
| 71 | FT_EXPORT( void ) | |
| 72 | FT_GlyphSlot_Oblique( FT_GlyphSlot slot ); | |
| 73 | ||
| 74 | /* */ | |
| 75 | ||
| 76 | FT_END_HEADER | |
| 77 | ||
| 78 | #endif /* __FTSYNTH_H__ */ | |
| 79 | ||
| 80 | ||
| 81 | /* END */ |