/**************************************************************************** * * ftsynth.h * * FreeType synthesizing code for emboldening and slanting * (specification). * * Copyright (C) 2000-2020 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 */