diff options
Diffstat (limited to 'libXfont/src/bitmap/bdfutils.c')
-rw-r--r-- | libXfont/src/bitmap/bdfutils.c | 674 |
1 files changed, 336 insertions, 338 deletions
diff --git a/libXfont/src/bitmap/bdfutils.c b/libXfont/src/bitmap/bdfutils.c index 17596c323..7cae0de6a 100644 --- a/libXfont/src/bitmap/bdfutils.c +++ b/libXfont/src/bitmap/bdfutils.c @@ -1,338 +1,336 @@ -/* $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 - -#include <ctype.h> -#include <stdio.h> -#include <stdarg.h> - -#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 = malloc((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); - free(pp); - return atom; - } else { - s++; - } - } - *p++ = *s++; - } - free (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; - } -} +/************************************************************************
+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.
+
+*/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <ctype.h>
+#include <stdio.h>
+#include <stdarg.h>
+
+#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 = malloc((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);
+ free(pp);
+ return atom;
+ } else {
+ s++;
+ }
+ }
+ *p++ = *s++;
+ }
+ free (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;
+ }
+}
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