2000-05-15 19:10:38 -07:00
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include "common.h"
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#include <stdio.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <string.h>
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#include <X11/Xlib.h>
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#include <X11/extensions/XShm.h>
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#include <X11/Xutil.h>
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#include "image.h"
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#include "Imlib2.h"
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char load(ImlibImage *im, ImlibProgressFunction progress,char progress_granularity, char immediate_load);
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char save(ImlibImage *im, ImlibProgressFunction progress, char progress_granularity);
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void formats(ImlibLoader *l);
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2000-05-18 22:45:02 -07:00
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static FILE *rgb_txt = NULL;
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static void
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xpm_parse_color(char *color, int *r, int *g, int *b)
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{
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char buf[4096];
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/* is a #ff00ff like color */
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if (color[0] == '#')
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{
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int len;
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char val[32];
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len = strlen(color) - 1;
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if (len < 96)
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{
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int i;
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len /= 3;
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for (i = 0; i < len; i++) val[i] = color[1 + i + (0 * len)];
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val[i] = 0;
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sscanf(val, "%x", r);
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for (i = 0; i < len; i++) val[i] = color[1 + i + (1 * len)];
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val[i] = 0;
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sscanf(val, "%x", g);
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for (i = 0; i < len; i++) val[i] = color[1 + i + (2 * len)];
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val[i] = 0;
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sscanf(val, "%x", b);
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if (len == 1)
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{
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*r = (*r << 4) | *r;
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*g = (*g << 4) | *g;
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*b = (*b << 4) | *b;
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}
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else if (len > 2)
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{
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2000-05-18 22:53:24 -07:00
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*r >>= (len - 2) * 4;
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*g >>= (len - 2) * 4;
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*b >>= (len - 2) * 4;
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2000-05-18 22:45:02 -07:00
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}
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}
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return;
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}
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/* look in rgb txt database */
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if (!rgb_txt)
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rgb_txt = fopen("/usr/X11R6/lib/X11/rgb.txt", "r");
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if (!rgb_txt)
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return;
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fseek(rgb_txt, 0, SEEK_SET);
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while (fgets(buf, 4000, rgb_txt))
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{
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if (buf[0] != '!')
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{
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int rr, gg, bb;
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char name[4096];
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sscanf(buf, "%i %i %i %[^\n]", &rr, &gg, &bb, name);
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if (!strcasecmp(name, color))
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{
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*r = rr;
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*g = gg;
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*b = bb;
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return;
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}
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}
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}
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}
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static void
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xpm_parse_done(void)
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{
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if (rgb_txt)
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fclose(rgb_txt);
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rgb_txt = NULL;
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}
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2000-05-15 19:10:38 -07:00
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char
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load(ImlibImage *im, ImlibProgressFunction progress, char progress_granularity, char immediate_load)
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{
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DATA32 *ptr, *end;
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FILE *f;
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int pc, c, i, j, k, w, h, ncolors, cpp, comment, transp, quote,
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context, len, done, r, g, b;
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char *line, s[256], tok[128], col[256];
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XColor xcol;
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int lsz = 256;
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struct _cmap
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{
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unsigned char str[6];
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unsigned char transp;
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short r, g, b;
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} *cmap;
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short lookup[128 - 32][128 - 32];
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float per = 0.0, per_inc;
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int last_per = 0, last_y = 0;
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done = 0;
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transp = -1;
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/* if immediate_load is 1, then dont delay image laoding as below, or */
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/* already data in this image - dont load it again */
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if (im->data)
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2000-05-18 22:45:02 -07:00
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{
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xpm_parse_done();
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return 0;
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}
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2000-05-15 19:10:38 -07:00
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f = fopen(im->file, "rb");
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if (!f)
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2000-05-18 22:45:02 -07:00
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{
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xpm_parse_done();
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return 0;
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}
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2000-05-15 19:10:38 -07:00
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i = 0;
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j = 0;
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cmap = NULL;
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w = 10;
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h = 10;
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ptr = NULL;
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end = NULL;
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c = ' ';
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comment = 0;
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quote = 0;
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context = 0;
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line = malloc(lsz);
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while (!done)
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{
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pc = c;
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c = fgetc(f);
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if (c == EOF)
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break;
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if (!quote)
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{
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if ((pc == '/') && (c == '*'))
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comment = 1;
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else if ((pc == '*') && (c == '/') && (comment))
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comment = 0;
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}
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if (!comment)
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{
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if ((!quote) && (c == '"'))
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{
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quote = 1;
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i = 0;
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}
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else if ((quote) && (c == '"'))
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{
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line[i] = 0;
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quote = 0;
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if (context == 0)
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{
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/* Header */
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sscanf(line, "%i %i %i %i", &w, &h, &ncolors, &cpp);
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if (ncolors > 32766)
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{
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fprintf(stderr, "IMLIB ERROR: XPM files with colors > 32766 not supported\n");
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free(line);
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fclose(f);
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2000-05-18 22:45:02 -07:00
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xpm_parse_done();
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2000-05-15 19:10:38 -07:00
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return 0;
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}
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if (cpp > 5)
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{
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fprintf(stderr, "IMLIB ERROR: XPM files with characters per pixel > 5 not supported\n");
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free(line);
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fclose(f);
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2000-05-18 22:45:02 -07:00
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xpm_parse_done();
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2000-05-15 19:10:38 -07:00
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return 0;
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}
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if (w > 32767)
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{
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fprintf(stderr, "IMLIB ERROR: Image width > 32767 pixels for file\n");
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free(line);
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fclose(f);
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2000-05-18 22:45:02 -07:00
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xpm_parse_done();
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2000-05-15 19:10:38 -07:00
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return 0;
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}
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if (h > 32767)
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{
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fprintf(stderr, "IMLIB ERROR: Image height > 32767 pixels for file\n");
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free(line);
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fclose(f);
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2000-05-18 22:45:02 -07:00
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xpm_parse_done();
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2000-05-15 19:10:38 -07:00
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return 0;
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}
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cmap = malloc(sizeof(struct _cmap) * ncolors);
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if (!cmap)
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{
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free(line);
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fclose(f);
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2000-05-18 22:45:02 -07:00
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xpm_parse_done();
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2000-05-15 19:10:38 -07:00
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return 0;
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}
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im->w = w;
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im->h = h;
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if (!im->format)
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im->format = strdup("xpm");
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per_inc = 100.0 / (((float) w) * h);
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if (im->loader || immediate_load || progress)
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{
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im->data = (DATA32 *) malloc(sizeof(DATA32) * w * h);
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if (!im->data)
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{
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free(cmap);
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free(line);
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fclose(f);
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2000-05-18 22:45:02 -07:00
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xpm_parse_done();
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2000-05-15 19:10:38 -07:00
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return 0;
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}
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ptr = im->data;
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end = ptr + (sizeof(DATA32) * w * h);
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}
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j = 0;
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context++;
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}
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else if (context == 1)
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{
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/* Color Table */
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if (j < ncolors)
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{
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int slen;
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int hascolor, iscolor;
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iscolor = 0;
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hascolor = 0;
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tok[0] = 0;
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col[0] = 0;
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s[0] = 0;
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len = strlen(line);
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strncpy(cmap[j].str, line, cpp);
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cmap[j].str[cpp] = 0;
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cmap[j].r = -1;
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cmap[j].transp = 0;
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for (k = cpp; k < len; k++)
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{
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if (line[k] != ' ')
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{
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s[0] = 0;
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sscanf(&line[k], "%65535s", s);
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slen = strlen(s);
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k += slen;
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if (!strcmp(s, "c"))
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iscolor = 1;
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if ((!strcmp(s, "m")) || (!strcmp(s, "s")) ||
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(!strcmp(s, "g4")) || (!strcmp(s, "g")) ||
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(!strcmp(s, "c")) || (k >= len))
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{
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if (k >= len)
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{
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if (col[0])
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strcat(col, " ");
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if (strlen(col) + strlen(s) < sizeof(col))
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strcat(col, s);
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}
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if (col[0])
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{
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if (!strcasecmp(col, "none"))
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{
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transp = 1;
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cmap[j].transp = 1;
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}
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else
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{
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if ((((cmap[j].r < 0) ||
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(!strcmp(tok, "c"))) &&
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(!hascolor)))
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{
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2000-05-18 22:45:02 -07:00
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r = 0; g = 0; b = 0;
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xpm_parse_color(col, &r, &g, &b);
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cmap[j].r = r;
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cmap[j].g = g;
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cmap[j].b = b;
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2000-05-15 19:10:38 -07:00
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if (iscolor)
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hascolor = 1;
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}
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}
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}
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strcpy(tok, s);
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col[0] = 0;
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}
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else
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{
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if (col[0])
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strcat(col, " ");
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strcat(col, s);
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}
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}
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}
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}
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j++;
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if (j >= ncolors)
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{
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if (cpp == 1)
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for (i = 0; i < ncolors; i++)
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lookup[(int)cmap[i].str[0] - 32][0] = i;
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if (cpp == 2)
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for (i = 0; i < ncolors; i++)
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lookup[(int)cmap[i].str[0] - 32][(int)cmap[i].str[1] - 32] = i;
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context++;
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}
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}
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else
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{
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/* Image Data */
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i = 0;
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if (cpp == 0)
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{
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/* Chars per pixel = 0? well u never know */
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}
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if (cpp == 1)
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{
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if (transp)
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{
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for (i = 0; ((i < 65536) && (ptr < end) && (line[i])); i++)
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{
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col[0] = line[i];
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if (cmap[lookup[(int)col[0] - 32][0]].transp)
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{
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r = (unsigned char)cmap[lookup[(int)col[0] - 32][0]].r;
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g = (unsigned char)cmap[lookup[(int)col[0] - 32][0]].g;
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b = (unsigned char)cmap[lookup[(int)col[0] - 32][0]].b;
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*ptr++ = 0x00ffffff & ((r << 16) | (g << 8) | b);
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}
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else
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{
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r = (unsigned char)cmap[lookup[(int)col[0] - 32][0]].r;
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g = (unsigned char)cmap[lookup[(int)col[0] - 32][0]].g;
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b = (unsigned char)cmap[lookup[(int)col[0] - 32][0]].b;
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*ptr++ = (0xff << 24) | (r << 16) | (g << 8) | b;
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}
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}
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}
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else
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{
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for (i = 0; ((i < 65536) && (ptr < end) && (line[i])); i++)
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{
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col[0] = line[i];
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r = (unsigned char)cmap[lookup[(int)col[0] - 32][0]].r;
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g = (unsigned char)cmap[lookup[(int)col[0] - 32][0]].g;
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b = (unsigned char)cmap[lookup[(int)col[0] - 32][0]].b;
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*ptr++ = (0xff << 24) | (r << 16) | (g << 8) | b;
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}
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}
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}
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else if (cpp == 2)
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{
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if (transp)
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{
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for (i = 0; ((i < 65536) && (ptr < end) && (line[i])); i++)
|
|
|
|
{
|
|
|
|
col[0] = line[i++];
|
|
|
|
col[1] = line[i];
|
|
|
|
if (cmap[lookup[(int)col[0] - 32][(int)col[1] - 32]].transp)
|
|
|
|
{
|
|
|
|
r = (unsigned char)cmap[lookup[(int)col[0] - 32][(int)col[1] - 32]].r;
|
|
|
|
g = (unsigned char)cmap[lookup[(int)col[0] - 32][(int)col[1] - 32]].g;
|
|
|
|
b = (unsigned char)cmap[lookup[(int)col[0] - 32][(int)col[1] - 32]].b;
|
|
|
|
*ptr++ = 0x00ffffff & ((r << 16) | (g << 8) | b);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
r = (unsigned char)cmap[lookup[(int)col[0] - 32][(int)col[1] - 32]].r;
|
|
|
|
g = (unsigned char)cmap[lookup[(int)col[0] - 32][(int)col[1] - 32]].g;
|
|
|
|
b = (unsigned char)cmap[lookup[(int)col[0] - 32][(int)col[1] - 32]].b;
|
|
|
|
*ptr++ = (0xff << 24) | (r << 16) | (g << 8) | b;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
for (i = 0; ((i < 65536) && (ptr < end) && (line[i])); i++)
|
|
|
|
{
|
|
|
|
col[0] = line[i++];
|
|
|
|
col[1] = line[i];
|
|
|
|
r = (unsigned char)cmap[lookup[(int)col[0] - 32][(int)col[1] - 32]].r;
|
|
|
|
g = (unsigned char)cmap[lookup[(int)col[0] - 32][(int)col[1] - 32]].g;
|
|
|
|
b = (unsigned char)cmap[lookup[(int)col[0] - 32][(int)col[1] - 32]].b;
|
|
|
|
*ptr++ = (0xff << 24) | (r << 16) | (g << 8) | b;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
if (transp)
|
|
|
|
{
|
|
|
|
for (i = 0; ((i < 65536) && (ptr < end) && (line[i])); i++)
|
|
|
|
{
|
|
|
|
for (j = 0; j < cpp; j++, i++)
|
|
|
|
{
|
|
|
|
col[j] = line[i];
|
|
|
|
}
|
|
|
|
col[j] = 0;
|
|
|
|
i--;
|
|
|
|
for (j = 0; j < ncolors; j++)
|
|
|
|
{
|
|
|
|
if (!strcmp(col, cmap[j].str))
|
|
|
|
{
|
|
|
|
if (cmap[j].transp)
|
|
|
|
{
|
|
|
|
r = (unsigned char)cmap[lookup[(int)col[0] - 32][0]].r;
|
|
|
|
g = (unsigned char)cmap[lookup[(int)col[0] - 32][0]].g;
|
|
|
|
b = (unsigned char)cmap[lookup[(int)col[0] - 32][0]].b;
|
|
|
|
*ptr++ = 0x00ffffff & ((r << 16) | (g << 8) | b);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
r = (unsigned char)cmap[j].r;
|
|
|
|
g = (unsigned char)cmap[j].g;
|
|
|
|
b = (unsigned char)cmap[j].b;
|
|
|
|
*ptr++ = (0xff << 24) | (r << 16) | (g << 8) | b;
|
|
|
|
}
|
|
|
|
j = ncolors;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
for (i = 0; ((i < 65536) && (ptr < end) && (line[i])); i++)
|
|
|
|
{
|
|
|
|
for (j = 0; j < cpp; j++, i++)
|
|
|
|
{
|
|
|
|
col[j] = line[i];
|
|
|
|
}
|
|
|
|
col[j] = 0;
|
|
|
|
i--;
|
|
|
|
for (j = 0; j < ncolors; j++)
|
|
|
|
{
|
|
|
|
if (!strcmp(col, cmap[j].str))
|
|
|
|
{
|
|
|
|
r = (unsigned char)cmap[j].r;
|
|
|
|
g = (unsigned char)cmap[j].g;
|
|
|
|
b = (unsigned char)cmap[j].b;
|
|
|
|
*ptr++ = (0xff << 24) | (r << 16) | (g << 8) | b;
|
|
|
|
j = ncolors;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
per += per_inc;
|
|
|
|
if (progress && (((int) per) != last_per) && (((int) per) % progress_granularity == 0))
|
|
|
|
{
|
|
|
|
last_per = (int) per;
|
|
|
|
if (!(progress(im, (int) per, 0, last_y, w, i)))
|
|
|
|
{
|
|
|
|
fclose(f);
|
|
|
|
free(cmap);
|
|
|
|
free(line);
|
2000-05-18 22:45:02 -07:00
|
|
|
xpm_parse_done();
|
2000-05-15 19:10:38 -07:00
|
|
|
return 2;
|
|
|
|
}
|
|
|
|
last_y = i;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
/* Scan in line from XPM file */
|
|
|
|
if ((!comment) && (quote) && (c != '"'))
|
|
|
|
{
|
|
|
|
if (c < 32)
|
|
|
|
c = 32;
|
|
|
|
else if (c > 127)
|
|
|
|
c = 127;
|
|
|
|
line[i++] = c;
|
|
|
|
}
|
|
|
|
if (i >= lsz)
|
|
|
|
{
|
|
|
|
lsz += 256;
|
|
|
|
line = realloc(line, lsz);
|
|
|
|
}
|
|
|
|
if ((ptr) && ((ptr - im->data) >= w * h * sizeof(DATA32)))
|
|
|
|
done = 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (transp >= 0) {
|
|
|
|
SET_FLAG(im->flags, F_HAS_ALPHA);
|
|
|
|
} else {
|
|
|
|
UNSET_FLAG(im->flags, F_HAS_ALPHA);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (progress)
|
|
|
|
{
|
|
|
|
progress(im, 100, 0, last_y, w, h);
|
|
|
|
}
|
|
|
|
|
|
|
|
free(cmap);
|
|
|
|
free(line);
|
|
|
|
|
2000-05-18 22:45:02 -07:00
|
|
|
xpm_parse_done();
|
|
|
|
|
2000-05-15 19:10:38 -07:00
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
char
|
|
|
|
save(ImlibImage *im, ImlibProgressFunction progress, char progress_granularity)
|
|
|
|
{
|
|
|
|
return 0;
|
|
|
|
im = NULL;
|
|
|
|
progress = NULL;
|
|
|
|
progress_granularity = 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* fills the ImlibLoader struct with a strign array of format file */
|
|
|
|
/* extensions this loader can load. eg: */
|
|
|
|
/* loader->formats = { "jpeg", "jpg"}; */
|
|
|
|
/* giving permutations is a good idea. case sensitivity is irrelevant */
|
|
|
|
/* your laoder CAN load more than one format if it likes - like: */
|
|
|
|
/* loader->formats = { "gif", "png", "jpeg", "jpg"} */
|
|
|
|
/* if it can load those formats. */
|
|
|
|
void
|
|
|
|
formats (ImlibLoader *l)
|
|
|
|
{
|
|
|
|
/* this is the only bit you have to change... */
|
|
|
|
char *list_formats[] =
|
|
|
|
{ "xpm" };
|
|
|
|
|
|
|
|
/* don't bother changing any of this - it just reads this in and sets */
|
|
|
|
/* the struct values and makes copies */
|
|
|
|
{
|
|
|
|
int i;
|
|
|
|
|
|
|
|
l->num_formats = (sizeof(list_formats) / sizeof (char *));
|
|
|
|
l->formats = malloc(sizeof(char *) * l->num_formats);
|
|
|
|
for (i = 0; i < l->num_formats; i++)
|
|
|
|
l->formats[i] = strdup(list_formats[i]);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|