Gam

??? 123123123123 ..................................................................................................................................... Gam

File manager - Edit - /usr/include/freetype2/freetype/ftbbox.h

Back
/**************************************************************************/ / / / ftbbox.h / / / / FreeType exact bbox computation (specification). / / / / Copyright 1996-2018 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. / / / /************************************************************************/ /**********************************************************************/ / / / This component has a _single_ role: to compute exact outline bounding / / boxes. / / / / It is separated from the rest of the engine for various technical / / reasons. It may well be integrated in `ftoutln' later. / / / /**********************************************************************/ #ifndef FTBBOX_H_ #define FTBBOX_H_ #include <ft2build.h> #include FT_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 /**********************************************************************/ / / / <Section> / / outline_processing / / / /**********************************************************************/ /**********************************************************************/ / / / <Function> / / FT_Outline_Get_BBox / / / / <Description> / / Compute the exact bounding box of an outline. This is slower / / than computing the control box. However, it uses an advanced / / algorithm that returns _very_ quickly when the two boxes / / coincide. Otherwise, the outline Bezier arcs are traversed to / / extract their extrema. / / / / <Input> / / outline :: A pointer to the source outline. / / / / <Output> / / abbox :: The outline's exact bounding box. / / / / <Return> / / FreeType error code. 0~means success. / / / / <Note> / / If the font is tricky and the glyph has been loaded with / / @FT_LOAD_NO_SCALE, the resulting BBox is meaningless. To get / / reasonable values for the BBox it is necessary to load the glyph / / at a large ppem value (so that the hinting instructions can / / properly shift and scale the subglyphs), then extracting the BBox, / / which can be eventually converted back to font units. / / / FT_EXPORT( FT_Error ) FT_Outline_Get_BBox( FT_Outline outline, FT_BBox abbox ); / / FT_END_HEADER #endif / FTBBOX_H_ / / END / / Local Variables: / / coding: utf-8 / / End: */