diff options
Diffstat (limited to 'header.c')
| -rw-r--r-- | header.c | 211 |
1 files changed, 211 insertions, 0 deletions
diff --git a/header.c b/header.c new file mode 100644 index 0000000..2d99839 --- /dev/null +++ b/header.c @@ -0,0 +1,211 @@ +/* $Xorg: header.c,v 1.4 2001/02/09 02:05:30 xorgcvs Exp $ */ +/* + +Copyright 1990, 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. + + * Copyright 1990 Network Computing Devices; + * Portions Copyright 1987 by Digital Equipment Corporation + * + * 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, and that the names of Network Computing Devices, or Digital + * not be used in advertising or publicity pertaining to distribution + * of the software without specific, written prior permission. + * + * NETWORK COMPUTING DEVICES, AND DIGITAL DISCLAIM ALL WARRANTIES WITH + * REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL NETWORK COMPUTING DEVICES, + * OR 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. + */ + +#include <stdio.h> +#include "FSlib.h" + +long pointSize; +long yResolution; + +static char *warning[] = +{ + "COMMENT ", + "COMMENT WARNING: This bdf file was generated from a font server using", + "COMMENT fstobdf. The resulting font is subject to the same copyright,", + "COMMENT license, and trademark restrictions as the original font. The", + "COMMENT authors and distributors of fstobdf disclaim all liability for", + "COMMENT misuse of the program or its output.", + "COMMENT ", + NULL +}; + +static char * +FindStringProperty(propName, propLength, propInfo, propOffsets, propData) + char *propName; + int *propLength; + FSPropInfo *propInfo; + FSPropOffset *propOffsets; + unsigned char *propData; +{ + FSPropOffset *propOffset; + int length; + int i; + + propOffset = &propOffsets[0]; + length = strlen(propName); + for (i = propInfo->num_offsets; i--; propOffset++) { + if (propOffset->type == PropTypeString) { + +#ifdef DEBUG + char pname[256]; + + memmove( pname, propData + propOffset->name.position, + propOffset->name.length); + pname[propOffset->name.length] = '\0'; + fprintf(stderr, "prop name: %s (len %d)\n", + pname, propOffset->name.length); +#endif + + if ((propOffset->name.length == length) && + !strncmp(propData + propOffset->name.position, propName, length)) { + *propLength = propOffset->value.length; + return (char *)(propData + propOffset->value.position); + } + } + } + *propLength = 0; + return (NULL); +} + +static int +FindNumberProperty(propName, propValue, propInfo, propOffsets, propData) + char *propName; + int *propValue; + FSPropInfo *propInfo; + FSPropOffset *propOffsets; + unsigned char *propData; +{ + FSPropOffset *propOffset; + int i; + int length; + + propOffset = &propOffsets[0]; + length = strlen(propName); + for (i = propInfo->num_offsets; i--; propOffset++) { + if ((propOffset->type == PropTypeSigned) || + (propOffset->type == PropTypeUnsigned)) { + if ((propOffset->name.length == length) && + !strncmp(propData + propOffset->name.position, propName, length)) { + *propValue = propOffset->value.position; + return (propOffset->type); + } + } + } + return (-1); +} + +/* + * EmitHeader - print STARTFONT, COMMENT lines, FONT, SIZE, and + * FONTBOUNDINGBOX lines + */ +Bool +EmitHeader(outFile, fontHeader, propInfo, propOffsets, propData) + FILE *outFile; + FSXFontInfoHeader *fontHeader; + FSPropInfo *propInfo; + FSPropOffset *propOffsets; + unsigned char *propData; +{ + int len; + int type; + char *cp; + char **cpp; + unsigned long xResolution; + + fprintf(outFile, "STARTFONT 2.1\n"); + + /* + * find COPYRIGHT message and print it first, followed by warning + */ + cp = FindStringProperty("COPYRIGHT", &len, propInfo, propOffsets, + propData); + if (cp) { + fprintf(outFile, "COMMENT \nCOMMENT "); + fwrite(cp, 1, len, outFile); + fputc('\n', outFile); + } + for (cpp = warning; *cpp; cpp++) + fprintf(outFile, "%s\n", *cpp); + + /* + * FONT name + */ + cp = FindStringProperty("FONT", &len, propInfo, propOffsets, propData); + if (cp) { + fprintf(outFile, "FONT "); + fwrite(cp, 1, len, outFile); + fputc('\n', outFile); + } else { + fprintf(stderr, "unable to find FONT property\n"); + return (False); + } + + /* + * SIZE point xres yres + * + * Get XLFD values if possible, else fake it + */ + type = FindNumberProperty("RESOLUTION_X", &xResolution, propInfo, + propOffsets, propData); + if ((type != PropTypeUnsigned) && (type != PropTypeSigned)) + xResolution = 72; + + type = FindNumberProperty("RESOLUTION_Y", &yResolution, propInfo, + propOffsets, propData); + if ((type != PropTypeUnsigned) && (type != PropTypeSigned)) + yResolution = 72; + + type = FindNumberProperty("POINT_SIZE", &pointSize, propInfo, + propOffsets, propData); + if ((type == PropTypeUnsigned) || (type == PropTypeSigned)) + pointSize = (pointSize + 5) / 10; + else + pointSize = ((fontHeader->font_ascent + fontHeader->font_descent) + * 72) / yResolution; + + fprintf(outFile, "SIZE %d %d %d\n", pointSize, xResolution, yResolution); + + /* + * FONTBOUNDINGBOX width height xoff yoff + * + */ + fprintf(outFile, "FONTBOUNDINGBOX %d %d %d %d\n", + fontHeader->max_bounds.right - fontHeader->min_bounds.left, + fontHeader->max_bounds.ascent + fontHeader->max_bounds.descent, + fontHeader->min_bounds.left, + -fontHeader->max_bounds.descent); + return (True); +} |