diff options
author | Matthieu Herrb <matthieu@cvs.openbsd.org> | 2006-11-25 18:19:22 +0000 |
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committer | Matthieu Herrb <matthieu@cvs.openbsd.org> | 2006-11-25 18:19:22 +0000 |
commit | 8c47a73b902659706c78f847055cf57927298b0e (patch) | |
tree | 7173f4069f859af5024538adc3a6129ff47f4fbc /lib/libfontenc/include | |
parent | c7a676696914fed8ec4fc4478bfe09d0c2d0dce0 (diff) |
import from X.Org 7.2RC1
Diffstat (limited to 'lib/libfontenc/include')
-rw-r--r-- | lib/libfontenc/include/X11/fonts/fontenc.h | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/lib/libfontenc/include/X11/fonts/fontenc.h b/lib/libfontenc/include/X11/fonts/fontenc.h new file mode 100644 index 000000000..09472cfc5 --- /dev/null +++ b/lib/libfontenc/include/X11/fonts/fontenc.h @@ -0,0 +1,124 @@ +/* +Copyright (c) 1998-2001 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/include/fontenc.h,v 1.7 2000/11/14 16:54:45 dawes Exp $ */ + +/* Header for backend-independent encoding code */ + +/* An encoding is identified with a name. An encoding contains some + global encoding data, such as its size, and a set of mappings. + Mappings are identified by their type and two integers, known as + pid and eid, the interpretation of which is type dependent. */ + +#ifndef _FONTENC_H +#define _FONTENC_H + +/* Encoding types. For future extensions, clients should be prepared + to ignore unknown encoding types. */ + +/* 0 is treated specially. */ + +#define FONT_ENCODING_UNICODE 1 +#define FONT_ENCODING_TRUETYPE 2 +#define FONT_ENCODING_POSTSCRIPT 3 + +/* This structure represents a mapping, either from numeric codes from + numeric codes, or from numeric codes to strings. */ + +/* It is expected that only one of `recode' and `name' will actually + be present. However, having both fields simplifies the interface + somewhat. */ + +typedef struct _FontMap { + int type; /* the type of the mapping */ + int pid, eid; /* the identification of the mapping */ + unsigned (*recode)(unsigned, void*); /* mapping function */ + char *(*name)(unsigned, void*); /* function returning glyph names */ + void *client_data; /* second parameter of the two above */ + struct _FontMap *next; /* link to next element in list */ + /* The following was added for version 0.3 of the font interface. */ + /* It should be kept at the end to preserve binary compatibility. */ + struct _FontEnc *encoding; +} FontMapRec, *FontMapPtr; + +/* This is the structure that holds all the info for one encoding. It + consists of a charset name, its size, and a linked list of mappings + like above. */ + +typedef struct _FontEnc { + char *name; /* the name of the encoding */ + char **aliases; /* its aliases, null terminated */ + int size; /* its size, either in bytes or rows */ + int row_size; /* the size of a row, or 0 if bytes */ + FontMapPtr mappings; /* linked list of mappings */ + struct _FontEnc *next; /* link to next element */ + /* the following two were added in version 0.2 of the font interface */ + /* they should be kept at the end to preserve binary compatibility */ + int first; /* first byte or row */ + int first_col; /* first column in each row */ +} FontEncRec, *FontEncPtr; + +typedef struct _FontMapReverse { + unsigned int (*reverse)(unsigned, void*); + void *data; +} FontMapReverseRec, *FontMapReversePtr; + + +/* Function prototypes */ + +/* extract an encoding name from an XLFD name. Returns a pointer to a + *static* buffer, or NULL */ +char *FontEncFromXLFD(const char*, int); + +/* find the encoding data for a given encoding name; second parameter + is the filename of the font for which the encoding is needed. + Returns NULL on failure. */ +FontEncPtr FontEncFind(const char*, const char*); + +/* Find a given mapping for an encoding. This is only a convenience + function, as clients are allowed to scavenge the data structures + themselves (as the TrueType backend does). */ + +FontMapPtr FontMapFind(FontEncPtr, int, int, int); + +/* Do both in a single step */ +FontMapPtr FontEncMapFind(const char *, int, int, int, const char *); + +/* Recode a code. Always succeeds. */ +unsigned FontEncRecode(unsigned, FontMapPtr); + +/* Return a name for a code. Returns a string or NULL. */ +char *FontEncName(unsigned, FontMapPtr); + +/* Return a pointer to the name of the system encodings directory. */ +/* This string is static and should not be modified. */ +char* FontEncDirectory(void); + +/* Identify an encoding file. If fileName doesn't exist, or is not an + encoding file, return NULL, otherwise returns a NULL-terminated + array of strings. */ +char **FontEncIdentify(const char *fileName); + +FontMapReversePtr FontMapReverse(FontMapPtr); + +void FontMapReverseFree(FontMapReversePtr); +#endif |