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Diffstat (limited to 'nx-X11/lib/font/bitmap/bdfutils.c')
| -rw-r--r-- | nx-X11/lib/font/bitmap/bdfutils.c | 340 |
1 files changed, 340 insertions, 0 deletions
diff --git a/nx-X11/lib/font/bitmap/bdfutils.c b/nx-X11/lib/font/bitmap/bdfutils.c new file mode 100644 index 000000000..a0c5ae949 --- /dev/null +++ b/nx-X11/lib/font/bitmap/bdfutils.c @@ -0,0 +1,340 @@ +/* $Xorg: bdfutils.c,v 1.5 2001/02/09 02:04:02 xorgcvs Exp $ */ +/************************************************************************ +Copyright 1989 by Digital Equipment Corporation, Maynard, Massachusetts. + + All Rights Reserved + +Permission to use, copy, modify, and distribute this software and its +documentation for any purpose and without fee is hereby granted, +provided that the above copyright notice appear in all copies and that +both that copyright notice and this permission notice appear in +supporting documentation, and that the name of Digital not be +used in advertising or publicity pertaining to distribution of the +software without specific, written prior permission. + +DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING +ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL +DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR +ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, +WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, +ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS +SOFTWARE. + +************************************************************************/ + +/* + +Copyright 1994, 1998 The Open Group + +Permission to use, copy, modify, distribute, and sell this software and its +documentation for any purpose is hereby granted without fee, provided that +the above copyright notice appear in all copies and that both that +copyright notice and this permission notice appear in supporting +documentation. + +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 OPEN GROUP 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. + +Except as contained in this notice, the name of The Open Group shall +not be used in advertising or otherwise to promote the sale, use or +other dealings in this Software without prior written authorization +from The Open Group. + +*/ +/* $XFree86: xc/lib/font/bitmap/bdfutils.c,v 1.10 2001/12/14 19:56:45 dawes Exp $ */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#ifndef FONTMODULE +#include <ctype.h> +#include <stdio.h> +#include <stdarg.h> +#endif + +#include <X11/fonts/fntfilst.h> +#include <X11/fonts/fontstruct.h> +/* use bitmap structure */ +#include <X11/fonts/bitmap.h> +#include <X11/fonts/bdfint.h> + +int bdfFileLineNum; + +/***====================================================================***/ + +void +bdfError(char* message, ...) +{ + va_list args; + + va_start (args, message); + fprintf(stderr, "BDF Error on line %d: ", bdfFileLineNum); + vfprintf(stderr, message, args); + va_end (args); +} + +/***====================================================================***/ + +void +bdfWarning(char *message, ...) +{ + va_list args; + + va_start (args, message); + fprintf(stderr, "BDF Warning on line %d: ", bdfFileLineNum); + vfprintf(stderr, message, args); + va_end (args); +} + +/* + * read the next (non-comment) line and keep a count for error messages. + * Returns buf, or NULL if EOF. + */ + +unsigned char * +bdfGetLine(FontFilePtr file, unsigned char *buf, int len) +{ + int c; + unsigned char *b; + + for (;;) { + b = buf; + while ((c = FontFileGetc(file)) != FontFileEOF) { + if (c == '\r') + continue; + if (c == '\n') { + bdfFileLineNum++; + break; + } + if (b - buf >= (len - 1)) + break; + *b++ = c; + } + *b = '\0'; + if (c == FontFileEOF) + return NULL; + if (b != buf && !bdfIsPrefix(buf, "COMMENT")) + break; + } + return buf; +} + +/***====================================================================***/ + +Atom +bdfForceMakeAtom(char *str, int *size) +{ + register int len = strlen(str); + Atom the_atom; + + if (size != NULL) + *size += len + 1; + the_atom = MakeAtom(str, len, TRUE); + if (the_atom == None) + bdfError("Atom allocation failed\n"); + return the_atom; +} + +/***====================================================================***/ + +/* + * Handle quoted strings. + */ + +Atom +bdfGetPropertyValue(char *s) +{ + register char *p, + *pp; + char *orig_s = s; + Atom atom; + + /* strip leading white space */ + while (*s && (*s == ' ' || *s == '\t')) + s++; + if (*s == 0) { + return bdfForceMakeAtom(s, NULL); + } + if (*s != '"') { + pp = s; + /* no white space in value */ + for (pp = s; *pp; pp++) + if (*pp == ' ' || *pp == '\t' || *pp == '\015' || *pp == '\n') { + *pp = 0; + break; + } + return bdfForceMakeAtom(s, NULL); + } + /* quoted string: strip outer quotes and undouble inner quotes */ + s++; + pp = p = (char *) xalloc((unsigned) strlen(s) + 1); + if (pp == NULL) { + bdfError("Couldn't allocate property value string (%d)\n", strlen(s) + 1); + return None; + } + while (*s) { + if (*s == '"') { + if (*(s + 1) != '"') { + *p++ = 0; + atom = bdfForceMakeAtom(pp, NULL); + xfree(pp); + return atom; + } else { + s++; + } + } + *p++ = *s++; + } + xfree (pp); + bdfError("unterminated quoted string property: %s\n", (pointer) orig_s); + return None; +} + +/***====================================================================***/ + +/* + * return TRUE if string is a valid integer + */ +int +bdfIsInteger(char *str) +{ + char c; + + c = *str++; + if (!(isdigit(c) || c == '-' || c == '+')) + return (FALSE); + + while ((c = *str++)) + if (!isdigit(c)) + return (FALSE); + + return (TRUE); +} + +/***====================================================================***/ + +/* + * make a byte from the first two hex characters in glyph picture + */ + +unsigned char +bdfHexByte(unsigned char *s) +{ + unsigned char b = 0; + register char c; + int i; + + for (i = 2; i; i--) { + c = *s++; + if ((c >= '0') && (c <= '9')) + b = (b << 4) + (c - '0'); + else if ((c >= 'A') && (c <= 'F')) + b = (b << 4) + 10 + (c - 'A'); + else if ((c >= 'a') && (c <= 'f')) + b = (b << 4) + 10 + (c - 'a'); + else + bdfError("bad hex char '%c'", c); + } + return b; +} + +/***====================================================================***/ + +/* + * check for known special property values + */ + +static char *SpecialAtoms[] = { + "FONT_ASCENT", +#define BDF_FONT_ASCENT 0 + "FONT_DESCENT", +#define BDF_FONT_DESCENT 1 + "DEFAULT_CHAR", +#define BDF_DEFAULT_CHAR 2 + "POINT_SIZE", +#define BDF_POINT_SIZE 3 + "RESOLUTION", +#define BDF_RESOLUTION 4 + "X_HEIGHT", +#define BDF_X_HEIGHT 5 + "WEIGHT", +#define BDF_WEIGHT 6 + "QUAD_WIDTH", +#define BDF_QUAD_WIDTH 7 + "FONT", +#define BDF_FONT 8 + "RESOLUTION_X", +#define BDF_RESOLUTION_X 9 + "RESOLUTION_Y", +#define BDF_RESOLUTION_Y 10 + 0, +}; + +Bool +bdfSpecialProperty(FontPtr pFont, FontPropPtr prop, + char isString, bdfFileState *bdfState) +{ + char **special; + char *name; + + name = NameForAtom(prop->name); + for (special = SpecialAtoms; *special; special++) + if (!strcmp(name, *special)) + break; + + switch (special - SpecialAtoms) { + case BDF_FONT_ASCENT: + if (!isString) { + pFont->info.fontAscent = prop->value; + bdfState->haveFontAscent = TRUE; + } + return TRUE; + case BDF_FONT_DESCENT: + if (!isString) { + pFont->info.fontDescent = prop->value; + bdfState->haveFontDescent = TRUE; + } + return TRUE; + case BDF_DEFAULT_CHAR: + if (!isString) { + pFont->info.defaultCh = prop->value; + bdfState->haveDefaultCh = TRUE; + } + return TRUE; + case BDF_POINT_SIZE: + bdfState->pointSizeProp = prop; + return FALSE; + case BDF_RESOLUTION: + bdfState->resolutionProp = prop; + return FALSE; + case BDF_X_HEIGHT: + bdfState->xHeightProp = prop; + return FALSE; + case BDF_WEIGHT: + bdfState->weightProp = prop; + return FALSE; + case BDF_QUAD_WIDTH: + bdfState->quadWidthProp = prop; + return FALSE; + case BDF_FONT: + bdfState->fontProp = prop; + return FALSE; + case BDF_RESOLUTION_X: + bdfState->resolutionXProp = prop; + return FALSE; + case BDF_RESOLUTION_Y: + bdfState->resolutionYProp = prop; + return FALSE; + default: + return FALSE; + } +} |