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Diffstat (limited to 'Build/source/libs/gd/gdxpm.c')
-rw-r--r-- | Build/source/libs/gd/gdxpm.c | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/Build/source/libs/gd/gdxpm.c b/Build/source/libs/gd/gdxpm.c new file mode 100644 index 00000000000..14388776aae --- /dev/null +++ b/Build/source/libs/gd/gdxpm.c @@ -0,0 +1,145 @@ + +/* + add ability to load xpm files to gd, requires the xpm + library. + Caolan.McNamara@ul.ie + http://www.csn.ul.ie/~caolan + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include "gd.h" +#include "gdhelpers.h" + +#ifndef HAVE_LIBXPM +BGD_DECLARE(gdImagePtr) gdImageCreateFromXpm (char *filename) +{ + fprintf (stderr, "libgd was not built with xpm support\n"); + return (NULL); +} + +#else + +#include <X11/xpm.h> + +BGD_DECLARE(gdImagePtr) gdImageCreateFromXpm (char *filename) +{ + XpmInfo info; + XpmImage image; + int i, j, k, number; + char buf[5]; + gdImagePtr im = 0; + int *pointer; + int red = 0, green = 0, blue = 0; + int *colors; + int ret; + + ret = XpmReadFileToXpmImage (filename, &image, &info); + if (ret != XpmSuccess) + return 0; + + if (!(im = gdImageCreate (image.width, image.height))) + return 0; + + number = image.ncolors; + colors = (int *) gdMalloc (sizeof (int) * number); + if (colors == NULL) + return (0); + for (i = 0; i < number; i++) + { + switch (strlen (image.colorTable[i].c_color)) + { + case 4: + buf[1] = '\0'; + buf[0] = image.colorTable[i].c_color[1]; + red = strtol (buf, NULL, 16); + + buf[0] = image.colorTable[i].c_color[3]; + green = strtol (buf, NULL, 16); + + buf[0] = image.colorTable[i].c_color[5]; + blue = strtol (buf, NULL, 16); + break; + case 7: + buf[2] = '\0'; + buf[0] = image.colorTable[i].c_color[1]; + buf[1] = image.colorTable[i].c_color[2]; + red = strtol (buf, NULL, 16); + + buf[0] = image.colorTable[i].c_color[3]; + buf[1] = image.colorTable[i].c_color[4]; + green = strtol (buf, NULL, 16); + + buf[0] = image.colorTable[i].c_color[5]; + buf[1] = image.colorTable[i].c_color[6]; + blue = strtol (buf, NULL, 16); + break; + case 10: + buf[3] = '\0'; + buf[0] = image.colorTable[i].c_color[1]; + buf[1] = image.colorTable[i].c_color[2]; + buf[2] = image.colorTable[i].c_color[3]; + red = strtol (buf, NULL, 16); + red /= 64; + + buf[0] = image.colorTable[i].c_color[4]; + buf[1] = image.colorTable[i].c_color[5]; + buf[2] = image.colorTable[i].c_color[6]; + green = strtol (buf, NULL, 16); + green /= 64; + + buf[0] = image.colorTable[i].c_color[7]; + buf[1] = image.colorTable[i].c_color[8]; + buf[2] = image.colorTable[i].c_color[9]; + blue = strtol (buf, NULL, 16); + blue /= 64; + break; + case 13: + buf[4] = '\0'; + buf[0] = image.colorTable[i].c_color[1]; + buf[1] = image.colorTable[i].c_color[2]; + buf[2] = image.colorTable[i].c_color[3]; + buf[3] = image.colorTable[i].c_color[4]; + red = strtol (buf, NULL, 16); + red /= 256; + + buf[0] = image.colorTable[i].c_color[5]; + buf[1] = image.colorTable[i].c_color[6]; + buf[2] = image.colorTable[i].c_color[7]; + buf[3] = image.colorTable[i].c_color[8]; + green = strtol (buf, NULL, 16); + green /= 256; + + buf[0] = image.colorTable[i].c_color[9]; + buf[1] = image.colorTable[i].c_color[10]; + buf[2] = image.colorTable[i].c_color[11]; + buf[3] = image.colorTable[i].c_color[12]; + blue = strtol (buf, NULL, 16); + blue /= 256; + break; + } + + + colors[i] = gdImageColorResolve (im, red, green, blue); + if (colors[i] == -1) + fprintf (stderr, "ARRRGH\n"); + } + + pointer = (int *) image.data; + for (i = 0; i < image.height; i++) + { + for (j = 0; j < image.width; j++) + { + k = *pointer++; + gdImageSetPixel (im, j, i, colors[k]); + } + } + gdFree (colors); + return (im); +} +#endif /* HAVE_LIBXPM */ |