ft.h
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上传日期:2022-06-04
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文件大小:3k
源码类别:
流媒体/Mpeg4/MP4
开发平台:
Visual C++
- /*
- Copyright (c) 1997 by Mark Leisher
- Copyright (c) 1998-2002 by Juliusz Chroboczek
- Permission is hereby granted, free of charge, to any person obtaining a copy
- of this software and associated documentation files (the "Software"), to deal
- in the Software without restriction, including without limitation the rights
- to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- copies of the Software, and to permit persons to whom the Software is
- furnished to do so, subject to the following conditions:
- The above copyright notice and this permission notice shall be included in
- all copies or substantial portions of the Software.
- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- THE SOFTWARE.
- */
- /* $XFree86: xc/lib/font/FreeType/ft.h,v 1.22 2003/06/08 15:41:13 herrb Exp $ */
- #ifndef _FT_H_
- #define _FT_H_
- #include <X11/Xfuncproto.h>
- #define FREETYPE_VERSION (FREETYPE_MAJOR * 1000000 + FREETYPE_MINOR * 1000 + FREETYPE_PATCH)
- #undef DEBUG_TRUETYPE
- #ifdef DEBUG_TRUETYPE
- #define MUMBLE(s) (ErrorF((s)))
- #define MUMBLE1(s,x) (ErrorF((s),(x)))
- #else
- #define MUMBLE(s)
- #define MUMBLE1(s,x)
- #endif
- #undef MAX
- #define MAX(h,i) ((h) > (i) ? (h) : (i))
- #define ADJUSTMAX(m,v) if((v)>(m)) (m)=(v)
- #undef MIN
- #define MIN(l,o) ((l) < (o) ? (l) : (o))
- #define ADJUSTMIN(m,v) if ((v)<(m)) (m)=(v)
- /* When comparing floating point values, we want to ignore small errors. */
- #define NEGLIGIBLE ((double)0.001)
- /* Are x and y significantly different? */
- #define DIFFER(x,y) (fabs((x)-(y))>=NEGLIGIBLE*fabs(x))
- /* Is x significantly different from 0 w.r.t. y? */
- #define DIFFER0(x,y) (fabs(x)>=NEGLIGIBLE*fabs(y))
- #ifndef ABS
- #define ABS(x) ((x) >= 0 ? (x) : -(x))
- #endif
- /* Two to the sixteenth power, as a double. */
- #define TWO_SIXTEENTH ((double)(1<<16))
- #define TWO_SIXTH ((double)(1<<6))
- /* Data structures used across files */
- typedef struct _FTMapping
- {
- int named;
- FT_CharMap cmap;
- int base;
- struct _FontMap *mapping; /* allow inclusion without fontenc.h */
- } FTMappingRec, *FTMappingPtr;
- /* Prototypes */
- /* ftfuncs.c */
- #if 0
- void FreeTypeRegisterFontFileFunctions(void);
- #endif
- /* ftenc.c */
- int FTPickMapping(char*, int, char*, FT_Face, FTMappingPtr);
- unsigned FTRemap(FT_Face face, FTMappingPtr, unsigned code);
- /* fttools.c */
- int FTtoXReturnCode(int);
- int FTGetEnglishName(FT_Face, int, char *, int);
- extern void ErrorF(const char*, ...);
- #endif /* _FT_H_ */