mirror of
https://github.com/wiidev/usbloadergx.git
synced 2024-09-08 00:23:19 +02:00
160 lines
9.3 KiB
C
160 lines
9.3 KiB
C
/***************************************************************************/
|
|
/* */
|
|
/* ftsizes.h */
|
|
/* */
|
|
/* FreeType size objects management (specification). */
|
|
/* */
|
|
/* Copyright 1996-2001, 2003, 2004, 2006, 2009 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. */
|
|
/* */
|
|
/***************************************************************************/
|
|
|
|
|
|
/*************************************************************************/
|
|
/* */
|
|
/* Typical application would normally not need to use these functions. */
|
|
/* However, they have been placed in a public API for the rare cases */
|
|
/* where they are needed. */
|
|
/* */
|
|
/*************************************************************************/
|
|
|
|
|
|
#ifndef __FTSIZES_H__
|
|
#define __FTSIZES_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> */
|
|
/* sizes_management */
|
|
/* */
|
|
/* <Title> */
|
|
/* Size Management */
|
|
/* */
|
|
/* <Abstract> */
|
|
/* Managing multiple sizes per face. */
|
|
/* */
|
|
/* <Description> */
|
|
/* When creating a new face object (e.g., with @FT_New_Face), an */
|
|
/* @FT_Size object is automatically created and used to store all */
|
|
/* pixel-size dependent information, available in the `face->size' */
|
|
/* field. */
|
|
/* */
|
|
/* It is however possible to create more sizes for a given face, */
|
|
/* mostly in order to manage several character pixel sizes of the */
|
|
/* same font family and style. See @FT_New_Size and @FT_Done_Size. */
|
|
/* */
|
|
/* Note that @FT_Set_Pixel_Sizes and @FT_Set_Char_Size only */
|
|
/* modify the contents of the current `active' size; you thus need */
|
|
/* to use @FT_Activate_Size to change it. */
|
|
/* */
|
|
/* 99% of applications won't need the functions provided here, */
|
|
/* especially if they use the caching sub-system, so be cautious */
|
|
/* when using these. */
|
|
/* */
|
|
/*************************************************************************/
|
|
|
|
|
|
/*************************************************************************/
|
|
/* */
|
|
/* <Function> */
|
|
/* FT_New_Size */
|
|
/* */
|
|
/* <Description> */
|
|
/* Create a new size object from a given face object. */
|
|
/* */
|
|
/* <Input> */
|
|
/* face :: A handle to a parent face object. */
|
|
/* */
|
|
/* <Output> */
|
|
/* asize :: A handle to a new size object. */
|
|
/* */
|
|
/* <Return> */
|
|
/* FreeType error code. 0~means success. */
|
|
/* */
|
|
/* <Note> */
|
|
/* You need to call @FT_Activate_Size in order to select the new size */
|
|
/* for upcoming calls to @FT_Set_Pixel_Sizes, @FT_Set_Char_Size, */
|
|
/* @FT_Load_Glyph, @FT_Load_Char, etc. */
|
|
/* */
|
|
FT_EXPORT( FT_Error )
|
|
FT_New_Size( FT_Face face,
|
|
FT_Size* size );
|
|
|
|
|
|
/*************************************************************************/
|
|
/* */
|
|
/* <Function> */
|
|
/* FT_Done_Size */
|
|
/* */
|
|
/* <Description> */
|
|
/* Discard a given size object. Note that @FT_Done_Face */
|
|
/* automatically discards all size objects allocated with */
|
|
/* @FT_New_Size. */
|
|
/* */
|
|
/* <Input> */
|
|
/* size :: A handle to a target size object. */
|
|
/* */
|
|
/* <Return> */
|
|
/* FreeType error code. 0~means success. */
|
|
/* */
|
|
FT_EXPORT( FT_Error )
|
|
FT_Done_Size( FT_Size size );
|
|
|
|
|
|
/*************************************************************************/
|
|
/* */
|
|
/* <Function> */
|
|
/* FT_Activate_Size */
|
|
/* */
|
|
/* <Description> */
|
|
/* Even though it is possible to create several size objects for a */
|
|
/* given face (see @FT_New_Size for details), functions like */
|
|
/* @FT_Load_Glyph or @FT_Load_Char only use the one which has been */
|
|
/* activated last to determine the `current character pixel size'. */
|
|
/* */
|
|
/* This function can be used to `activate' a previously created size */
|
|
/* object. */
|
|
/* */
|
|
/* <Input> */
|
|
/* size :: A handle to a target size object. */
|
|
/* */
|
|
/* <Return> */
|
|
/* FreeType error code. 0~means success. */
|
|
/* */
|
|
/* <Note> */
|
|
/* If `face' is the size's parent face object, this function changes */
|
|
/* the value of `face->size' to the input size handle. */
|
|
/* */
|
|
FT_EXPORT( FT_Error )
|
|
FT_Activate_Size( FT_Size size );
|
|
|
|
/* */
|
|
|
|
|
|
FT_END_HEADER
|
|
|
|
#endif /* __FTSIZES_H__ */
|
|
|
|
|
|
/* END */
|