| /**************************************************************************** |
| * |
| * ftsynth.h |
| * |
| * FreeType synthesizing code for emboldening and slanting |
| * (specification). |
| * |
| * Copyright (C) 2000-2022 by |
| * David Turner, Robert Wilhelm, and Werner Lemberg. |
| * |
| * This file is part of the FreeType project, and may only be used, |
| * modified, and distributed under the terms of the FreeType project |
| * license, LICENSE.TXT. By continuing to use, modify, or distribute |
| * this file you indicate that you have read the license and |
| * understand and accept it fully. |
| * |
| */ |
| |
| |
| /*************************************************************************/ |
| /*************************************************************************/ |
| /*************************************************************************/ |
| /*************************************************************************/ |
| /*************************************************************************/ |
| /********* *********/ |
| /********* WARNING, THIS IS ALPHA CODE! THIS API *********/ |
| /********* IS DUE TO CHANGE UNTIL STRICTLY NOTIFIED BY THE *********/ |
| /********* FREETYPE DEVELOPMENT TEAM *********/ |
| /********* *********/ |
| /*************************************************************************/ |
| /*************************************************************************/ |
| /*************************************************************************/ |
| /*************************************************************************/ |
| /*************************************************************************/ |
| |
| |
| /* Main reason for not lifting the functions in this module to a */ |
| /* 'standard' API is that the used parameters for emboldening and */ |
| /* slanting are not configurable. Consider the functions as a */ |
| /* code resource that should be copied into the application and */ |
| /* adapted to the particular needs. */ |
| |
| |
| #ifndef FTSYNTH_H_ |
| #define FTSYNTH_H_ |
| |
| |
| #include <freetype/freetype.h> |
| |
| #ifdef FREETYPE_H |
| #error "freetype.h of FreeType 1 has been loaded!" |
| #error "Please fix the directory search order for header files" |
| #error "so that freetype.h of FreeType 2 is found first." |
| #endif |
| |
| |
| FT_BEGIN_HEADER |
| |
| /* Embolden a glyph by a 'reasonable' value (which is highly a matter of */ |
| /* taste). This function is actually a convenience function, providing */ |
| /* a wrapper for @FT_Outline_Embolden and @FT_Bitmap_Embolden. */ |
| /* */ |
| /* For emboldened outlines the height, width, and advance metrics are */ |
| /* increased by the strength of the emboldening -- this even affects */ |
| /* mono-width fonts! */ |
| /* */ |
| /* You can also call @FT_Outline_Get_CBox to get precise values. */ |
| FT_EXPORT( void ) |
| FT_GlyphSlot_Embolden( FT_GlyphSlot slot ); |
| |
| /* Slant an outline glyph to the right by about 12 degrees. */ |
| FT_EXPORT( void ) |
| FT_GlyphSlot_Oblique( FT_GlyphSlot slot ); |
| |
| /* */ |
| |
| |
| FT_END_HEADER |
| |
| #endif /* FTSYNTH_H_ */ |
| |
| |
| /* END */ |
