diff options
Diffstat (limited to 'nx-X11/extras/Xpm/lib/rgb.c')
| -rw-r--r-- | nx-X11/extras/Xpm/lib/rgb.c | 285 |
1 files changed, 0 insertions, 285 deletions
diff --git a/nx-X11/extras/Xpm/lib/rgb.c b/nx-X11/extras/Xpm/lib/rgb.c deleted file mode 100644 index 0a5af8b8f..000000000 --- a/nx-X11/extras/Xpm/lib/rgb.c +++ /dev/null @@ -1,285 +0,0 @@ -/* - * Copyright (C) 1989-95 GROUPE BULL - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to - * deal in the Software without restriction, including without limitation the - * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or - * sell copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * 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 - * GROUPE BULL 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 GROUPE BULL shall not be - * used in advertising or otherwise to promote the sale, use or other dealings - * in this Software without prior written authorization from GROUPE BULL. - */ - -/*****************************************************************************\ -* rgb.c: * -* * -* XPM library * -* Rgb file utilities * -* * -* Developed by Arnaud Le Hors * -\*****************************************************************************/ - -/* - * The code related to FOR_MSW has been added by - * HeDu (hedu@cul-ipn.uni-kiel.de) 4/94 - */ - -/* - * Part of this code has been taken from the ppmtoxpm.c file written by Mark - * W. Snitily but has been modified for my special need - */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include "XpmI.h" -#include <ctype.h> - -#ifndef FOR_MSW /* normal part first, MSW part at - * the end, (huge ifdef!) */ -/* - * Read a rgb text file. It stores the rgb values (0->65535) - * and the rgb mnemonics (malloc'ed) into the "rgbn" array. Returns the - * number of entries stored. - */ -int -xpmReadRgbNames(rgb_fname, rgbn) - char *rgb_fname; - xpmRgbName rgbn[]; - -{ - FILE *rgbf; - int n, items, red, green, blue; - char line[512], name[512], *rgbname, *s1, *s2; - xpmRgbName *rgb; - - /* Open the rgb text file. Abort if error. */ - if ((rgbf = fopen(rgb_fname, "r")) == NULL) - return 0; - - /* Loop reading each line in the file. */ - n = 0; - rgb = rgbn; - /* Quit if rgb text file has too many entries. */ - while (fgets(line, sizeof(line), rgbf) && n < MAX_RGBNAMES) { - - /* Skip silently if line is bad. */ - items = sscanf(line, "%d %d %d %[^\n]\n", &red, &green, &blue, name); - if (items != 4) - continue; - - /* - * Make sure rgb values are within 0->255 range. Skip silently if - * bad. - */ - if (red < 0 || red > 0xFF || - green < 0 || green > 0xFF || - blue < 0 || blue > 0xFF) - continue; - - /* Allocate memory for ascii name. If error give up here. */ - if (!(rgbname = (char *) XpmMalloc(strlen(name) + 1))) - break; - - /* Copy string to ascii name and lowercase it. */ - for (s1 = name, s2 = rgbname; *s1; s1++) - *s2++ = tolower(*s1); - *s2 = '\0'; - - /* Save the rgb values and ascii name in the array. */ - rgb->r = red * 257; /* 65535/255 = 257 */ - rgb->g = green * 257; - rgb->b = blue * 257; - rgb->name = rgbname; - rgb++; - n++; - } - - fclose(rgbf); - - /* Return the number of read rgb names. */ - return n < 0 ? 0 : n; -} - -/* - * Return the color name corresponding to the given rgb values - */ -char * -xpmGetRgbName(rgbn, rgbn_max, red, green, blue) - xpmRgbName rgbn[]; /* rgb mnemonics from rgb text file */ - int rgbn_max; /* number of rgb mnemonics in table */ - int red, green, blue; /* rgb values */ - -{ - int i; - xpmRgbName *rgb; - - /* - * Just perform a dumb linear search over the rgb values of the color - * mnemonics. One could speed things up by sorting the rgb values and - * using a binary search, or building a hash table, etc... - */ - for (i = 0, rgb = rgbn; i < rgbn_max; i++, rgb++) - if (red == rgb->r && green == rgb->g && blue == rgb->b) - return rgb->name; - - /* if not found return NULL */ - return NULL; -} - -/* - * Free the strings which have been malloc'ed in xpmReadRgbNames - */ -void -xpmFreeRgbNames(rgbn, rgbn_max) - xpmRgbName rgbn[]; - int rgbn_max; - -{ - int i; - xpmRgbName *rgb; - - for (i = 0, rgb = rgbn; i < rgbn_max; i++, rgb++) - XpmFree(rgb->name); -} - -#else /* here comes the MSW part, the - * second part of the huge ifdef */ - -#include "rgbtab.h" /* hard coded rgb.txt table */ - -int -xpmReadRgbNames(rgb_fname, rgbn) - char *rgb_fname; - xpmRgbName rgbn[]; -{ - /* - * check for consistency??? - * table has to be sorted for calls on strcasecmp - */ - return (numTheRGBRecords); -} - -/* - * MSW rgb values are made from 3 BYTEs, this is different from X XColor.red, - * which has something like #0303 for one color - */ -char * -xpmGetRgbName(rgbn, rgbn_max, red, green, blue) - xpmRgbName rgbn[]; /* rgb mnemonics from rgb text file - * not used */ - int rgbn_max; /* not used */ - int red, green, blue; /* rgb values */ - -{ - int i; - unsigned long rgbVal; - - i = 0; - while (i < numTheRGBRecords) { - rgbVal = theRGBRecords[i].rgb; - if (GetRValue(rgbVal) == red && - GetGValue(rgbVal) == green && - GetBValue(rgbVal) == blue) - return (theRGBRecords[i].name); - i++; - } - return (NULL); -} - -/* used in XParseColor in simx.c */ -int -xpmGetRGBfromName(inname, r, g, b) - char *inname; - int *r, *g, *b; -{ - int left, right, middle; - int cmp; - unsigned long rgbVal; - char *name; - char *grey, *p; - - name = xpmstrdup(inname); - - /* - * the table in rgbtab.c has no names with spaces, and no grey, but a - * lot of gray - */ - /* so first extract ' ' */ - while (p = strchr(name, ' ')) { - while (*(p)) { /* till eof of string */ - *p = *(p + 1); /* copy to the left */ - p++; - } - } - /* fold to lower case */ - p = name; - while (*p) { - *p = tolower(*p); - p++; - } - - /* - * substitute Grey with Gray, else rgbtab.h would have more than 100 - * 'duplicate' entries - */ - if (grey = strstr(name, "grey")) - grey[2] = 'a'; - - /* binary search */ - left = 0; - right = numTheRGBRecords - 1; - do { - middle = (left + right) / 2; - cmp = xpmstrcasecmp(name, theRGBRecords[middle].name); - if (cmp == 0) { - rgbVal = theRGBRecords[middle].rgb; - *r = GetRValue(rgbVal); - *g = GetGValue(rgbVal); - *b = GetBValue(rgbVal); - free(name); - return (1); - } else if (cmp < 0) { - right = middle - 1; - } else { /* > 0 */ - left = middle + 1; - } - } while (left <= right); - - /* - * I don't like to run in a ColorInvalid error and to see no pixmap at - * all, so simply return a red pixel. Should be wrapped in an #ifdef - * HeDu - */ - - *r = 255; - *g = 0; - *b = 0; /* red error pixel */ - - free(name); - return (1); -} - -void -xpmFreeRgbNames(rgbn, rgbn_max) - xpmRgbName rgbn[]; - int rgbn_max; - -{ - /* nothing to do */ -} - -#endif /* MSW part */ |