eleni.mutantstargoat.com Git - eqemu/blob - libs/libimago/test/test.c

   1 #include <stdio.h>
   2 #include <imago2.h>
   3
   4 int main(int argc, char **argv)
   5 {
   6         const char *infile = "foo.jpg";
   7         const char *outfile = "bar.jpg";
   8         int i, j, xsz = 512, ysz = 512;
   9         struct img_pixmap img;
  10
  11         for(i=1; i<argc; i++) {
  12                 if(argv[i][0] == '-' && argv[i][2] == 0) {
  13                         switch(argv[i][1]) {
  14                         case 'i':
  15                                 infile = argv[++i];
  16                                 break;
  17
  18                         case 'o':
  19                                 outfile = argv[++i];
  20                                 break;
  21
  22                         default:
  23                                 fprintf(stderr, "invalid option: %s\n", argv[i]);
  24                                 return 1;
  25                         }
  26                 } else {
  27                         fprintf(stderr, "invalid argument: %s\n", argv[i]);
  28                         return 1;
  29                 }
  30         }
  31
  32         img_init(&img);
  33
  34         if(img_load(&img, infile) == -1) {
  35                 unsigned char *pix;
  36
  37                 fprintf(stderr, "failed to load image: %s, generating instead\n", infile);
  38
  39                 if(img_set_pixels(&img, xsz, ysz, IMG_FMT_RGB24, 0) == -1) {
  40                         perror("wtf");
  41                         return 1;
  42                 }
  43
  44                 pix = img.pixels;
  45                 for(i=0; i<ysz; i++) {
  46                         for(j=0; j<xsz; j++) {
  47                                 int bw = ((i >> 5) & 1) == ((j >> 5) & 1);
  48
  49                                 *pix++ = bw ? 255 : 0;
  50                                 *pix++ = 127;
  51                                 *pix++ = bw ? 0 : 255;
  52                         }
  53                 }
  54         }
  55
  56         if(img_save(&img, outfile) == -1) {
  57                 fprintf(stderr, "failed to save file %s\n", outfile);
  58                 return 1;
  59         }
  60
  61         img_destroy(&img);
  62         return 0;
  63 }