+++ /dev/null
-/***************************************************************************/
-/* */
-/* ftcimage.h */
-/* */
-/* FreeType Image cache (body). */
-/* */
-/* Copyright 2000-2001 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. */
-/* */
-/***************************************************************************/
-
-
- /*************************************************************************/
- /* */
- /* Each image cache really manages FT_Glyph objects. */
- /* */
- /*************************************************************************/
-
-
-#ifndef __FTCIMAGE_H__
-#define __FTCIMAGE_H__
-
-
-#include <ft2build.h>
-#include FT_CACHE_H
-#include FT_CACHE_INTERNAL_GLYPH_H
-
-
-FT_BEGIN_HEADER
-
-
- /*************************************************************************/
- /* */
- /* <Section> */
- /* cache_subsystem */
- /* */
- /*************************************************************************/
-
-
- /*************************************************************************/
- /*************************************************************************/
- /*************************************************************************/
- /***** *****/
- /***** IMAGE CACHE OBJECT *****/
- /***** *****/
- /*************************************************************************/
- /*************************************************************************/
- /*************************************************************************/
-
-
-#define FTC_IMAGE_FORMAT( x ) ( (x) & 7 )
-
-
-#define ftc_image_format_bitmap 0
-#define ftc_image_format_outline 1
-
-#define ftc_image_flag_monochrome 16
-#define ftc_image_flag_unhinted 32
-#define ftc_image_flag_autohinted 64
-#define ftc_image_flag_unscaled 128
-#define ftc_image_flag_no_sbits 256
-
- /* monochrome bitmap */
-#define ftc_image_mono ftc_image_format_bitmap | \
- ftc_image_flag_monochrome
- /* anti-aliased bitmap */
-#define ftc_image_grays ftc_image_format_bitmap
- /* scaled outline */
-#define ftc_image_outline ftc_image_format_outline
-
-
- /*************************************************************************/
- /* */
- /* <Struct> */
- /* FTC_Image_Desc */
- /* */
- /* <Description> */
- /* A simple structure used to describe a given glyph image category. */
- /* */
- /* <Fields> */
- /* size :: An FTC_SizeRec used to describe the glyph's face & */
- /* size. */
- /* */
- /* image_type :: The glyph image's type. */
- /* */
- typedef struct FTC_Image_Desc_
- {
- FTC_FontRec font;
- FT_UInt image_type;
-
- } FTC_Image_Desc;
-
-
- /*************************************************************************/
- /* */
- /* <Type> */
- /* FTC_Image_Cache */
- /* */
- /* <Description> */
- /* A handle to an glyph image cache object. They are designed to */
- /* hold many distinct glyph images, while not exceeding a certain */
- /* memory threshold. */
- /* */
- typedef struct FTC_Image_CacheRec_* FTC_Image_Cache;
-
-
- /*************************************************************************/
- /* */
- /* <Function> */
- /* FTC_Image_Cache_New */
- /* */
- /* <Description> */
- /* Creates a new glyph image cache. */
- /* */
- /* <Input> */
- /* manager :: The parent manager for the image cache. */
- /* */
- /* <Output> */
- /* acache :: A handle to the new glyph image cache object. */
- /* */
- /* <Return> */
- /* FreeType error code. 0 means success. */
- /* */
- FT_EXPORT( FT_Error )
- FTC_Image_Cache_New( FTC_Manager manager,
- FTC_Image_Cache *acache );
-
-
- /*************************************************************************/
- /* */
- /* <Function> */
- /* FTC_Image_Cache_Lookup */
- /* */
- /* <Description> */
- /* Retrieves a given glyph image from a glyph image cache. */
- /* */
- /* <Input> */
- /* cache :: A handle to the source glyph image cache. */
- /* */
- /* desc :: A pointer to a glyph image descriptor. */
- /* */
- /* gindex :: The glyph index to retrieve. */
- /* */
- /* <Output> */
- /* aglyph :: The corresponding FT_Glyph object. 0 in case of */
- /* failure. */
- /* */
- /* <Return> */
- /* FreeType error code. 0 means success. */
- /* */
- /* <Note> */
- /* The returned glyph is owned and managed by the glyph image cache. */
- /* Never try to transform or discard it manually! You can however */
- /* create a copy with FT_Glyph_Copy() and modify the new one. */
- /* */
- /* Because the glyph image cache limits the total amount of memory */
- /* taken by the glyphs it holds, the returned glyph might disappear */
- /* on a later invocation of this function! It's a cache after all... */
- /* */
- FT_EXPORT( FT_Error )
- FTC_Image_Cache_Lookup( FTC_Image_Cache cache,
- FTC_Image_Desc* desc,
- FT_UInt gindex,
- FT_Glyph *aglyph );
-
-
- /* */
-
-
-FT_END_HEADER
-
-#endif /* __FTCIMAGE_H__ */
-
-
-/* END */
projects / rrdtool.git / blobdiff