643 lines
20 KiB
C
643 lines
20 KiB
C
/*
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* $Xorg: xlsfonts.c,v 1.4 2001/02/09 02:05:54 xorgcvs Exp $
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*
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*
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Copyright 1989, 1998 The Open Group
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Permission to use, copy, modify, distribute, and sell this software and its
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documentation for any purpose is hereby granted without fee, provided that
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the above copyright notice appear in all copies and that both that
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copyright notice and this permission notice appear in supporting
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documentation.
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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Except as contained in this notice, the name of The Open Group shall not be
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used in advertising or otherwise to promote the sale, use or other dealings
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in this Software without prior written authorization from The Open Group.
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* */
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/* $XFree86: xc/programs/xlsfonts/xlsfonts.c,v 1.9 2003/09/08 14:25:33 eich Exp $ */
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#include <X11/Xlib.h>
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#include <X11/Xutil.h>
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#include <X11/Xos.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <limits.h>
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#include "dsimple.h"
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#define N_START INT_MAX /* Maximum # of fonts to start with (should
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* always be be > 10000 as modern OSes like
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* Solaris 8 already have more than 9000 XLFD
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* fonts available) */
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#define L_SHORT 0
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#define L_MEDIUM 1
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#define L_LONG 2
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#define L_VERYLONG 3
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static int max_output_line_width = 79;
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static int output_line_padding = 3;
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static int columns = 0;
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static Bool sort_output = True;
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static Bool open_instead_of_list = False;
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static int long_list = L_SHORT;
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static int nnames = N_START;
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static int font_cnt = 0;
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static int min_max;
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typedef struct {
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char *name;
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XFontStruct *info;
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} FontList;
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static FontList *font_list = NULL;
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/* Local prototypes */
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static void get_list(char *pattern);
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static int compare(const void *arg1, const void *arg2);
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static void show_fonts(void);
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static void copy_number(char **pp1, char**pp2, int n1, int n2);
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static int IgnoreError(Display *disp, XErrorEvent *event);
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static void PrintProperty(XFontProp *prop);
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static void ComputeFontType(XFontStruct *fs);
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static void print_character_metrics(register XFontStruct *info);
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static void do_query_font (Display *dpy, char *name);
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void usage(void)
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{
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fprintf (stderr, "usage: %s [-options] [-fn pattern]\n", program_name);
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fprintf (stderr, "where options include:\n");
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fprintf (stderr, " -l[l[l]] give long info about each font\n");
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fprintf (stderr, " -m give character min and max bounds\n");
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fprintf (stderr, " -C force columns\n");
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fprintf (stderr, " -1 force single column\n");
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fprintf (stderr, " -u keep output unsorted\n");
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fprintf (stderr, " -o use OpenFont/QueryFont instead of ListFonts\n");
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fprintf (stderr, " -w width maximum width for multiple columns\n");
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fprintf (stderr, " -n columns number of columns if multi column\n");
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fprintf (stderr, " -display displayname X server to contact\n");
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fprintf (stderr, " -d displayname (alias for -display displayname)\n");
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fprintf (stderr, "\n");
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Close_Display();
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exit(EXIT_FAILURE);
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}
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int main(int argc, char **argv)
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{
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int argcnt = 0, i;
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INIT_NAME;
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/* Handle command line arguments, open display */
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Setup_Display_And_Screen(&argc, argv);
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for (argv++, argc--; argc; argv++, argc--) {
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if (argv[0][0] == '-') {
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if (argcnt > 0) usage ();
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for (i=1; argv[0][i]; i++)
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switch(argv[0][i]) {
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case 'l':
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long_list++;
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break;
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case 'm':
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min_max++;
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break;
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case 'C':
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columns = 0;
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break;
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case '1':
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columns = 1;
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break;
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case 'f': /* "-fn" */
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if (--argc <= 0) usage ();
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if (argv[0][i+1] != 'n') usage ();
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argcnt++;
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argv++;
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get_list(argv[0]);
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goto next;
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case 'w':
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if (--argc <= 0) usage ();
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argv++;
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max_output_line_width = atoi(argv[0]);
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goto next;
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case 'n':
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if (--argc <= 0) usage ();
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argv++;
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columns = atoi(argv[0]);
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goto next;
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case 'o':
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open_instead_of_list = True;
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break;
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case 'u':
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sort_output = False;
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break;
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default:
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usage();
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break;
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}
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if (i == 1)
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usage();
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} else {
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argcnt++;
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get_list(argv[0]);
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}
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next: ;
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}
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if (argcnt == 0)
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get_list("*");
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show_fonts();
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Close_Display();
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return EXIT_SUCCESS;
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}
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static
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void get_list(char *pattern)
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{
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int available = nnames+1,
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i;
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char **fonts;
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XFontStruct *info;
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/* Get list of fonts matching pattern */
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for (;;) {
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if (open_instead_of_list) {
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info = XLoadQueryFont (dpy, pattern);
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if (info) {
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fonts = &pattern;
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available = 1;
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XUnloadFont (dpy, info->fid);
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} else {
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fonts = NULL;
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}
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break;
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}
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if (long_list == L_MEDIUM)
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fonts = XListFontsWithInfo(dpy, pattern, nnames, &available, &info);
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else
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fonts = XListFonts(dpy, pattern, nnames, &available);
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if (fonts == NULL || available < nnames)
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break;
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if (long_list == L_MEDIUM)
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XFreeFontInfo(fonts, info, available);
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else
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XFreeFontNames(fonts);
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nnames = available * 2;
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}
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if (fonts == NULL) {
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fprintf(stderr, "%s: pattern \"%s\" unmatched\n",
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program_name, pattern);
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return;
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}
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font_list = (FontList *)Realloc((char *)font_list,
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(font_cnt + available) * sizeof(FontList));
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for (i=0; i<available; i++) {
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font_list[font_cnt].name = fonts[i];
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if (long_list == L_MEDIUM)
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font_list[font_cnt].info = info + i;
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else
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font_list[font_cnt].info = NULL;
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font_cnt++;
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}
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}
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static
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int compare(const void *arg1, const void *arg2)
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{
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const FontList *f1 = arg1;
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const FontList *f2 = arg2;
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const char *p1 = f1->name;
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const char *p2 = f2->name;
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while (*p1 && *p2 && *p1 == *p2)
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p1++, p2++;
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return(*p1 - *p2);
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}
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static
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void show_fonts(void)
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{
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int i;
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if (font_cnt == 0)
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return;
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/* first sort the output */
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if (sort_output) qsort(font_list, font_cnt, sizeof(FontList), compare);
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if (long_list > L_MEDIUM) {
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for (i = 0; i < font_cnt; i++) {
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do_query_font (dpy, font_list[i].name);
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}
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return;
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}
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if (long_list == L_MEDIUM) {
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XFontStruct *pfi;
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char *string;
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printf("DIR ");
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printf("MIN ");
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printf("MAX ");
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printf("EXIST ");
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printf("DFLT ");
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printf("PROP ");
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printf("ASC ");
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printf("DESC ");
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printf("NAME");
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printf("\n");
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for (i=0; i<font_cnt; i++) {
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pfi = font_list[i].info;
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if (!pfi) {
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fprintf(stderr, "%s: no font information for font \"%s\".\n",
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program_name,
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font_list[i].name ?
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font_list[i].name : "");
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continue;
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}
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switch(pfi->direction) {
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case FontLeftToRight: string = "-->"; break;
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case FontRightToLeft: string = "<--"; break;
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default: string = "???"; break;
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}
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printf("%-4s", string);
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if (pfi->min_byte1 == 0 &&
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pfi->max_byte1 == 0) {
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printf(" %3d ", pfi->min_char_or_byte2);
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printf(" %3d ", pfi->max_char_or_byte2);
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} else {
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printf("*%3d ", pfi->min_byte1);
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printf("*%3d ", pfi->max_byte1);
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}
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printf("%5s ", pfi->all_chars_exist ? "all" : "some");
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printf("%4d ", pfi->default_char);
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printf("%4d ", pfi->n_properties);
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printf("%3d ", pfi->ascent);
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printf("%4d ", pfi->descent);
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printf("%s\n", font_list[i].name);
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if (min_max) {
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char min[ BUFSIZ ],
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max[ BUFSIZ ];
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char *pmax = max,
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*pmin = min;
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strcpy(pmin, " min(l,r,w,a,d) = (");
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strcpy(pmax, " max(l,r,w,a,d) = (");
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pmin += strlen(pmin);
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pmax += strlen(pmax);
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copy_number(&pmin, &pmax,
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pfi->min_bounds.lbearing,
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pfi->max_bounds.lbearing);
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*pmin++ = *pmax++ = ',';
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copy_number(&pmin, &pmax,
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pfi->min_bounds.rbearing,
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pfi->max_bounds.rbearing);
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*pmin++ = *pmax++ = ',';
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copy_number(&pmin, &pmax,
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pfi->min_bounds.width,
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pfi->max_bounds.width);
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*pmin++ = *pmax++ = ',';
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copy_number(&pmin, &pmax,
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pfi->min_bounds.ascent,
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pfi->max_bounds.ascent);
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*pmin++ = *pmax++ = ',';
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copy_number(&pmin, &pmax,
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pfi->min_bounds.descent,
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pfi->max_bounds.descent);
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*pmin++ = *pmax++ = ')';
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*pmin = *pmax = '\0';
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printf("%s\n", min);
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printf("%s\n", max);
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}
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}
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return;
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}
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if ((columns == 0 && isatty(1)) || columns > 1) {
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int width,
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max_width = 0,
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lines_per_column,
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j,
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index;
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for (i=0; i<font_cnt; i++) {
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width = strlen(font_list[i].name);
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if (width > max_width)
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max_width = width;
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}
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if (max_width == 0)
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Fatal_Error("all %d fontnames listed are zero length", font_cnt);
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if (columns == 0) {
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if ((max_width * 2) + output_line_padding >
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max_output_line_width) {
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columns = 1;
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} else {
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max_width += output_line_padding;
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columns = ((max_output_line_width +
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output_line_padding) / max_width);
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}
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} else {
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max_width += output_line_padding;
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}
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if (columns <= 1) goto single_column;
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if (font_cnt < columns)
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columns = font_cnt;
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lines_per_column = (font_cnt + columns - 1) / columns;
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for (i=0; i<lines_per_column; i++) {
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for (j=0; j<columns; j++) {
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index = j * lines_per_column + i;
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if (index >= font_cnt)
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break;
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if (j+1 == columns)
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printf("%s", font_list[ index ].name);
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else
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printf("%-*s",
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max_width,
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font_list[ index ].name);
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}
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printf("\n");
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}
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return;
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}
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single_column:
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for (i=0; i<font_cnt; i++)
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printf("%s\n", font_list[i].name);
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}
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static
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void copy_number(char **pp1, char**pp2, int n1, int n2)
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{
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char *p1 = *pp1;
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char *p2 = *pp2;
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int w;
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sprintf(p1, "%d", n1);
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sprintf(p2, "%d", n2);
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w = MAX(strlen(p1), strlen(p2));
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sprintf(p1, "%*d", w, n1);
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sprintf(p2, "%*d", w, n2);
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p1 += strlen(p1);
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p2 += strlen(p2);
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*pp1 = p1;
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*pp2 = p2;
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}
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/* ARGSUSED */
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static
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int IgnoreError(Display *disp, XErrorEvent *event)
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{
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return 0;
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}
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static char *bounds_metrics_title =
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"width left right asc desc attr keysym\n";
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#define PrintBounds(_what,_ptr) \
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{ register XCharStruct *p = (_ptr); \
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printf ("\t%3s\t\t%4d %4d %4d %4d %4d 0x%04x\n", \
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(_what), p->width, p->lbearing, \
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p->rbearing, p->ascent, p->descent, p->attributes); }
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static char* stringValued [] = { /* values are atoms */
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/* font name components (see section 3.2 of the XLFD) */
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"FOUNDRY",
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"FAMILY_NAME",
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"WEIGHT_NAME",
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"SLANT",
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"SETWIDTH_NAME",
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"ADD_STYLE_NAME",
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"SPACING",
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"CHARSET_REGISTRY",
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"CHARSET_ENCODING",
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/* other standard X font properties (see section 3.2 of the XLFD) */
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"FONT",
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"FACE_NAME",
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"FULL_NAME", /* deprecated */
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"COPYRIGHT",
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"NOTICE",
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"FONT_TYPE",
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"FONT_VERSION",
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"RASTERIZER_NAME",
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"RASTERIZER_VERSION",
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/* other registered font properties (see the X.org Registry, sec. 15) */
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"_ADOBE_POSTSCRIPT_FONTNAME",
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/* unregistered font properties */
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"CHARSET_COLLECTIONS",
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"CLASSIFICATION",
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"DEVICE_FONT_NAME",
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"FONTNAME_REGISTRY",
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"MONOSPACED",
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"QUALITY",
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"RELATIVE_SET",
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"STYLE",
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NULL
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};
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static
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void PrintProperty(XFontProp *prop)
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{
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char *atom, *value;
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char nosuch[40];
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int i;
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XErrorHandler oldhandler = XSetErrorHandler(IgnoreError);
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atom = XGetAtomName(dpy, prop->name);
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if (!atom) {
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atom = nosuch;
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nosuch[0] = '\0';
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(void)sprintf (atom, "No such atom = %ld", prop->name);
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}
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printf (" %s", atom);
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/* Pad out to a column width of 22, but ensure there is always at
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least one space between property name & value. */
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for (i = strlen(atom); i < 21; i++) putchar (' ');
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putchar(' ');
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for (i = 0; ; i++) {
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if (stringValued[i] == NULL) {
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printf ("%ld\n", prop->card32);
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break;
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}
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if (strcmp(stringValued[i], atom) == 0) {
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value = XGetAtomName(dpy, prop->card32);
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if (value == NULL)
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printf ("%ld (expected string value)\n", prop->card32);
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else {
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printf ("%s\n", value);
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XFree (value);
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}
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break;
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}
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}
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if (atom != nosuch) XFree (atom);
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XSetErrorHandler (oldhandler);
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}
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static void
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ComputeFontType(XFontStruct *fs)
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{
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int i;
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Bool char_cell = True;
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char *reason = NULL;
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XCharStruct *cs;
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Atom awatom = XInternAtom (dpy, "AVERAGE_WIDTH", False);
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printf (" font type:\t\t");
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if (fs->min_bounds.width != fs->max_bounds.width) {
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printf ("Proportional (min and max widths not equal)\n");
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return;
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}
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if (awatom) {
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for (i = 0; i < fs->n_properties; i++) {
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if (fs->properties[i].name == awatom &&
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(fs->max_bounds.width * 10) != fs->properties[i].card32) {
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char_cell = False;
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reason = "font width not equal to AVERAGE_WIDTH";
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break;
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}
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}
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}
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if (fs->per_char) {
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for (i = fs->min_char_or_byte2, cs = fs->per_char;
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i <= fs->max_char_or_byte2; i++, cs++) {
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if (cs->width == 0) continue;
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if (cs->width != fs->max_bounds.width) {
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/* this shouldn't happen since we checked above */
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printf ("Proportional (characters not all the same width)\n");
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return;
|
|
}
|
|
if (char_cell) {
|
|
if (cs->width < 0) {
|
|
if (!(cs->width <= cs->lbearing &&
|
|
cs->lbearing <= cs->rbearing &&
|
|
cs->rbearing <= 0)) {
|
|
char_cell = False;
|
|
reason = "ink outside bounding box";
|
|
}
|
|
} else {
|
|
if (!(0 <= cs->lbearing &&
|
|
cs->lbearing <= cs->rbearing &&
|
|
cs->rbearing <= cs->width)) {
|
|
char_cell = False;
|
|
reason = "ink outside bounding box";
|
|
}
|
|
}
|
|
if (!(cs->ascent <= fs->ascent &&
|
|
cs->descent <= fs->descent)) {
|
|
char_cell = False;
|
|
reason = "characters not all same ascent or descent";
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
printf ("%s", char_cell ? "Character Cell" : "Monospaced");
|
|
if (reason) printf (" (%s)", reason);
|
|
printf ("\n");
|
|
|
|
return;
|
|
}
|
|
|
|
|
|
static void
|
|
print_character_metrics(register XFontStruct *info)
|
|
{
|
|
register XCharStruct *pc = info->per_char;
|
|
register int i, j;
|
|
unsigned n, saven;
|
|
|
|
printf (" character metrics:\n");
|
|
saven = ((info->min_byte1 << 8) | info->min_char_or_byte2);
|
|
for (j = info->min_byte1; j <= info->max_byte1; j++) {
|
|
n = saven;
|
|
for (i = info->min_char_or_byte2; i <= info->max_char_or_byte2; i++) {
|
|
char *s = XKeysymToString ((KeySym) n);
|
|
printf ("\t0x%02x%02x (%u)\t%4d %4d %4d %4d %4d 0x%04x %s\n",
|
|
j, i, n, pc->width, pc->lbearing,
|
|
pc->rbearing, pc->ascent, pc->descent, pc->attributes,
|
|
s ? s : ".");
|
|
pc++;
|
|
n++;
|
|
}
|
|
saven += 256;
|
|
}
|
|
}
|
|
|
|
static
|
|
void do_query_font (Display *dpy, char *name)
|
|
{
|
|
register int i;
|
|
register XFontStruct *info = XLoadQueryFont (dpy, name);
|
|
|
|
if (!info) {
|
|
fprintf (stderr, "%s: unable to get info about font \"%s\"\n",
|
|
program_name, name);
|
|
return;
|
|
}
|
|
printf ("name: %s\n", name ? name : "(nil)");
|
|
printf (" direction:\t\t%s\n", ((info->direction == FontLeftToRight)
|
|
? "left to right" : "right to left"));
|
|
printf (" indexing:\t\t%s\n",
|
|
((info->min_byte1 == 0 && info->max_byte1 == 0) ? "linear" :
|
|
"matrix"));
|
|
printf (" rows:\t\t\t0x%02x thru 0x%02x (%d thru %d)\n",
|
|
info->min_byte1, info->max_byte1,
|
|
info->min_byte1, info->max_byte1);
|
|
printf (" columns:\t\t0x%02x thru 0x%02x (%d thru %d)\n",
|
|
info->min_char_or_byte2, info->max_char_or_byte2,
|
|
info->min_char_or_byte2, info->max_char_or_byte2);
|
|
printf (" all chars exist:\t%s\n",
|
|
(info->all_chars_exist) ? "yes" : "no");
|
|
printf (" default char:\t\t0x%04x (%d)\n",
|
|
info->default_char, info->default_char);
|
|
printf (" ascent:\t\t%d\n", info->ascent);
|
|
printf (" descent:\t\t%d\n", info->descent);
|
|
ComputeFontType (info);
|
|
printf (" bounds:\t\t%s", bounds_metrics_title);
|
|
PrintBounds ("min", &info->min_bounds);
|
|
PrintBounds ("max", &info->max_bounds);
|
|
if (info->per_char && long_list >= L_VERYLONG)
|
|
print_character_metrics (info);
|
|
printf (" properties:\t\t%d\n", info->n_properties);
|
|
for (i = 0; i < info->n_properties; i++)
|
|
PrintProperty (&info->properties[i]);
|
|
printf ("\n");
|
|
|
|
XFreeFontInfo (NULL, info, 1);
|
|
}
|
|
|
|
|