85 lines
3.3 KiB
C
85 lines
3.3 KiB
C
/****************************************************************************
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*
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* ftsynth.h
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*
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* FreeType synthesizing code for emboldening and slanting
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* (specification).
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*
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* Copyright (C) 2000-2020 by
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* David Turner, Robert Wilhelm, and Werner Lemberg.
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*
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* This file is part of the FreeType project, and may only be used,
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* modified, and distributed under the terms of the FreeType project
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* license, LICENSE.TXT. By continuing to use, modify, or distribute
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* this file you indicate that you have read the license and
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* understand and accept it fully.
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*
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*/
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/*************************************************************************/
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/*************************************************************************/
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/*************************************************************************/
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/*************************************************************************/
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/*************************************************************************/
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/********* *********/
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/********* WARNING, THIS IS ALPHA CODE! THIS API *********/
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/********* IS DUE TO CHANGE UNTIL STRICTLY NOTIFIED BY THE *********/
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/********* FREETYPE DEVELOPMENT TEAM *********/
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/********* *********/
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/*************************************************************************/
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/*************************************************************************/
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/*************************************************************************/
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/*************************************************************************/
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/*************************************************************************/
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/* Main reason for not lifting the functions in this module to a */
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/* 'standard' API is that the used parameters for emboldening and */
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/* slanting are not configurable. Consider the functions as a */
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/* code resource that should be copied into the application and */
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/* adapted to the particular needs. */
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#ifndef FTSYNTH_H_
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#define FTSYNTH_H_
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#include <ft2build.h>
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#include FT_FREETYPE_H
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#ifdef FREETYPE_H
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#error "freetype.h of FreeType 1 has been loaded!"
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#error "Please fix the directory search order for header files"
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#error "so that freetype.h of FreeType 2 is found first."
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#endif
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FT_BEGIN_HEADER
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/* Embolden a glyph by a 'reasonable' value (which is highly a matter of */
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/* taste). This function is actually a convenience function, providing */
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/* a wrapper for @FT_Outline_Embolden and @FT_Bitmap_Embolden. */
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/* */
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/* For emboldened outlines the height, width, and advance metrics are */
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/* increased by the strength of the emboldening -- this even affects */
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/* mono-width fonts! */
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/* */
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/* You can also call @FT_Outline_Get_CBox to get precise values. */
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FT_EXPORT( void )
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FT_GlyphSlot_Embolden( FT_GlyphSlot slot );
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/* Slant an outline glyph to the right by about 12 degrees. */
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FT_EXPORT( void )
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FT_GlyphSlot_Oblique( FT_GlyphSlot slot );
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/* */
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FT_END_HEADER
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#endif /* FTSYNTH_H_ */
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/* END */
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