debug.c

   1 #include "debug.h"
   2 #include "shape.h"
   3
   4 #include <stdio.h>
   5 #include <stdint.h>
   6
   7 void
   8 printf_surface(SDL_Surface *s, char *name)
   9 {
  10         printf("SDL_Surface *%s = {\n", name);
  11                 printf("\tflags = 0x%x;\n", s->flags);
  12                 printf("\tformat = {\n");
  13                         printf("\t\tBitsPerPixel = %d;\n", s->format->BitsPerPixel);
  14                         printf("\t\tBytesPerPixel = %d;\n", s->format->BytesPerPixel);
  15                         printf("\t\tmasks = 0x%x, 0x%x, 0x%x, 0x%x;\n", s->format->Rmask, s->format->Gmask,
  16                                         s->format->Bmask, s->format->Amask);
  17                         printf("\t\tshifts = %d, %d, %d, %d;\n", s->format->Rshift, s->format->Gshift,
  18                                         s->format->Bshift, s->format->Ashift);
  19                         printf("\t\tlosses = %d, %d, %d, %d;\n", s->format->Rloss, s->format->Gloss,
  20                                         s->format->Bloss, s->format->Aloss);
  21                         printf("\t\tcolorkey = %d;\n", s->format->colorkey);
  22                         printf("\t\talpha = %d;\n", s->format->alpha);
  23                 printf("\t};\n");
  24                 printf("\tw, h = %d, %d;\n", s->w, s->h);
  25                 printf("\tpitch = %d;\n", s->pitch);
  26         printf("};\n");
  27 }
  28
  29 void
  30 printb(uint32_t n, int bits)
  31 {
  32         int i;
  33
  34         for(i=0; i<bits; i++) {
  35                 if(n & 0x80000000) putchar('1'); else putchar('0');
  36                 n = n << 1;
  37         }
  38 }
  39
  40 void
  41 print_mask(struct shape *s)
  42 {
  43         int i, j;
  44
  45         for(i=0; i<s->h; i++) {
  46                 for(j=0; j<s->mw-1; j++) printb(s->mask[s->mw*i+j], 32);
  47                 printb(s->mask[s->mw*i+j], s->w % 32);
  48                 putchar('\n');
  49         }
  50         putchar('\n');
  51 }