font.c

   1 #include "palpic.h"
   2 #include "sprites/font.c"
   3 #include "SDL/SDL.h"
   4 #include <stddef.h>
   5
   6 #define STRSWITCH_LETTERS_UC 'A': case 'B': case 'C': case 'D': case 'E': case 'F': case 'G': case 'H': case 'I': \
   7                              case 'J': case 'K': case 'L': case 'M': case 'N': case 'O': case 'P': case 'Q': case 'R': \
   8                              case 'S': case 'T': case 'U': case 'V': case 'W': case 'X': case 'Y': case 'Z'
   9
  10 #define STRSWITCH_LETTERS_LC 'a': case 'b': case 'c': case 'd': case 'e': case 'f': case 'g': case 'h': case 'i': \
  11                              case 'j': case 'k': case 'l': case 'm': case 'n': case 'o': case 'p': case 'q': case 'r': \
  12                              case 's': case 't': case 'u': case 'v': case 'w': case 'x': case 'y': case 'z'
  13
  14 #define STRSWITCH_LETTERS STRSWITCH_LETTERS_UC: case STRSWITCH_LETTERS_LC
  15
  16 #define STRSWITCH_NUMBERS '0': case '1': case '2': case '3': case '4': case '5': case '6': case '7': case '8': case '9'
  17
  18
  19 extern SDL_Surface *surface;
  20 extern struct vo_desc video;
  21
  22 static int chartofontindex(int c) {
  23         switch(c) {
  24                 case STRSWITCH_NUMBERS:
  25                         return c - '0' + 16;
  26                 case STRSWITCH_LETTERS_UC:
  27                         return c - 'A' + 33;
  28                 case STRSWITCH_LETTERS_LC:
  29                         return c - 'a' + 33;
  30                 case '!' : return 1;
  31                 case '$' : return 4;
  32                 case '\'': return 7;
  33                 case ',' : return 12;
  34                 case '.' : return 14;
  35                 case '\?': return 31;
  36                 default:
  37                         return 0;
  38         }
  39 }
  40
  41 void font_print(int x, int y, const char *str, size_t len, unsigned scale, prgb color) {
  42         size_t i;
  43         prgb col[2] = {PRGB(0,0,0), color };
  44         for(i = 0; i < len; i++, x+=8*scale)
  45                 blit_sprite(x,y, &video, scale, &font.header, chartofontindex(str[i]), col);
  46 }