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C/C++ Source or Header  |  2003-11-19  |  13.8 KB  |  158 lines
  1. /* FCE Ultra - NES/Famicom Emulator
  2.  *
  3.  * Copyright notice for this file:
  4.  *  Copyright (C) 2002 Ben Parnell
  5.  *
  6.  * This program is free software; you can redistribute it and/or modify
  7.  * it under the terms of the GNU General Public License as published by
  8.  * the Free Software Foundation; either version 2 of the License, or
  9.  * (at your option) any later version.
  10.  *
  11.  * This program is distributed in the hope that it will be useful,
  12.  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14.  * GNU General Public License for more details.
  15.  *
  16.  * You should have received a copy of the GNU General Public License
  17.  * along with this program; if not, write to the Free Software
  18.  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19.  */
  20.  
  21. /* Code originally from fceu/drawing.h file, adapted by Forgotten
  22.  */
  23. #include "System.h"
  24.  
  25. extern int RGB_LOW_BITS_MASK;
  26.  
  27. static const u8 fontdata2[2048] = {
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  32.   0x1e,0x33,0x03,0x33,0x1e,0x18,0x30,0x1e,0x00,0x33,0x00,0x33,0x33,0x33,0x7e,0x00,0x38,0x00,0x1e,0x33,0x3f,0x03,0x1e,0x00,0x7e,0xc3,0x3c,0x60,0x7c,0x66,0xfc,0x00,0x33,0x00,0x1e,0x30,0x3e,0x33,0x7e,0x00,0x07,0x00,0x1e,0x30,0x3e,0x33,0x7e,0x00,0x0c,0x0c,0x1e,0x30,0x3e,0x33,0x7e,0x00,0x00,0x00,0x1e,0x03,0x03,0x1e,0x30,0x1c,0x7e,0xc3,0x3c,0x66,0x7e,0x06,0x3c,0x00,0x33,0x00,0x1e,0x33,0x3f,0x03,0x1e,0x00,0x07,0x00,0x1e,0x33,0x3f,0x03,0x1e,0x00,0x33,0x00,0x0e,0x0c,0x0c,0x0c,0x1e,0x00,0x3e,0x63,0x1c,0x18,0x18,0x18,0x3c,0x00,0x07,0x00,0x0e,0x0c,0x0c,0x0c,0x1e,0x00,0x63,0x1c,0x36,0x63,0x7f,0x63,0x63,0x00,0x0c,0x0c,0x00,0x1e,0x33,0x3f,0x33,0x00,0x38,0x00,0x3f,0x06,0x1e,0x06,0x3f,0x00,0x00,0x00,0xfe,0x30,0xfe,0x33,0xfe,0x00,0x7c,0x36,0x33,0x7f,0x33,0x33,0x73,0x00,0x1e,0x33,0x00,0x1e,0x33,0x33,0x1e,0x00,0x00,0x33,0x00,0x1e,0x33,0x33,0x1e,0x00,0x00,0x07,0x00,0x1e,0x33,0x33,0x1e,0x00,0x1e,0x33,0x00,0x33,0x33,0x33,0x7e,0x00,0x00,0x07,0x00,0x33,0x33,0x33,0x7e,0x00,0x00,0x33,0x00,0x33,0x33,0x3e,0x30,0x1f,0xc3,0x18,0x3c,0x66,0x66,0x3c,0x18,0x00,0x33,0x00,0x33,0x33,0x33,0x33,0x1e,0x00,0x18,0x18,0x7e,0x03,0x03,0x7e,0x18,0x18,0x1c,0x36,0x26,0x0f,0x06,0x67,0x3f,0x00,0x33,0x33,0x1e,0x3f,0x0c,0x3f,0x0c,0x0c,0x1f,0x33,0x33,0x5f,0x63,0xf3,0x63,0xe3,0x70,0xd8,0x18,0x3c,0x18,0x18,0x1b,0x0e,
  33.   0x38,0x00,0x1e,0x30,0x3e,0x33,0x7e,0x00,0x1c,0x00,0x0e,0x0c,0x0c,0x0c,0x1e,0x00,0x00,0x38,0x00,0x1e,0x33,0x33,0x1e,0x00,0x00,0x38,0x00,0x33,0x33,0x33,0x7e,0x00,0x00,0x1f,0x00,0x1f,0x33,0x33,0x33,0x00,0x3f,0x00,0x33,0x37,0x3f,0x3b,0x33,0x00,0x3c,0x36,0x36,0x7c,0x00,0x7e,0x00,0x00,0x1c,0x36,0x36,0x1c,0x00,0x3e,0x00,0x00,0x0c,0x00,0x0c,0x06,0x03,0x33,0x1e,0x00,0x00,0x00,0x00,0x3f,0x03,0x03,0x00,0x00,0x00,0x00,0x00,0x3f,0x30,0x30,0x00,0x00,0xc3,0x63,0x33,0x7b,0xcc,0x66,0x33,0xf0,0xc3,0x63,0x33,0xdb,0xec,0xf6,0xf3,0xc0,0x18,0x18,0x00,0x18,0x18,0x18,0x18,0x00,0x00,0xcc,0x66,0x33,0x66,0xcc,0x00,0x00,0x00,0x33,0x66,0xcc,0x66,0x33,0x00,0x00,0x44,0x11,0x44,0x11,0x44,0x11,0x44,0x11,0xaa,0x55,0xaa,0x55,0xaa,0x55,0xaa,0x55,0xdb,0xee,0xdb,0x77,0xdb,0xee,0xdb,0x77,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x1f,0x18,0x18,0x18,0x18,0x18,0x1f,0x18,0x1f,0x18,0x18,0x18,0x6c,0x6c,0x6c,0x6c,0x6f,0x6c,0x6c,0x6c,0x00,0x00,0x00,0x00,0x7f,0x6c,0x6c,0x6c,0x00,0x00,0x1f,0x18,0x1f,0x18,0x18,0x18,0x6c,0x6c,0x6f,0x60,0x6f,0x6c,0x6c,0x6c,0x6c,0x6c,0x6c,0x6c,0x6c,0x6c,0x6c,0x6c,0x00,0x00,0x7f,0x60,0x6f,0x6c,0x6c,0x6c,0x6c,0x6c,0x6f,0x60,0x7f,0x00,0x00,0x00,0x6c,0x6c,0x6c,0x6c,0x7f,0x00,0x00,0x00,0x18,0x18,0x1f,0x18,0x1f,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x1f,0x18,0x18,0x18,
  34.   0x18,0x18,0x18,0x18,0xf8,0x00,0x00,0x00,0x18,0x18,0x18,0x18,0xff,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0xf8,0x18,0x18,0x18,0x00,0x00,0x00,0x00,0xff,0x00,0x00,0x00,0x18,0x18,0x18,0x18,0xff,0x18,0x18,0x18,0x18,0x18,0xf8,0x18,0xf8,0x18,0x18,0x18,0x6c,0x6c,0x6c,0x6c,0xec,0x6c,0x6c,0x6c,0x6c,0x6c,0xec,0x0c,0xfc,0x00,0x00,0x00,0x00,0x00,0xfc,0x0c,0xec,0x6c,0x6c,0x6c,0x6c,0x6c,0xef,0x00,0xff,0x00,0x00,0x00,0x00,0x00,0xff,0x00,0xef,0x6c,0x6c,0x6c,0x6c,0x6c,0xec,0x0c,0xec,0x6c,0x6c,0x6c,0x00,0x00,0xff,0x00,0xff,0x00,0x00,0x00,0x6c,0x6c,0xef,0x00,0xef,0x6c,0x6c,0x6c,0x18,0x18,0xff,0x00,0xff,0x00,0x00,0x00,0x6c,0x6c,0x6c,0x6c,0xff,0x00,0x00,0x00,0x00,0x00,0xff,0x00,0xff,0x18,0x18,0x18,0x00,0x00,0x00,0x00,0xff,0x6c,0x6c,0x6c,0x6c,0x6c,0x6c,0x6c,0xfc,0x00,0x00,0x00,0x18,0x18,0xf8,0x18,0xf8,0x00,0x00,0x00,0x00,0x00,0xf8,0x18,0xf8,0x18,0x18,0x18,0x00,0x00,0x00,0x00,0xfc,0x6c,0x6c,0x6c,0x6c,0x6c,0x6c,0x6c,0xff,0x6c,0x6c,0x6c,0x18,0x18,0xff,0x18,0xff,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x1f,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xf8,0x18,0x18,0x18,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x0f,0x0f,0x0f,0x0f,0x0f,0x0f,0x0f,0x0f,0xf0,0xf0,0xf0,0xf0,0xf0,0xf0,0xf0,0xf0,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,
  35.   0x00,0x00,0x6e,0x3b,0x13,0x3b,0x6e,0x00,0x00,0x1e,0x33,0x1f,0x33,0x1f,0x03,0x03,0x00,0x3f,0x33,0x03,0x03,0x03,0x03,0x00,0x00,0x7f,0x36,0x36,0x36,0x36,0x36,0x00,0x3f,0x33,0x06,0x0c,0x06,0x33,0x3f,0x00,0x00,0x00,0x7e,0x1b,0x1b,0x1b,0x0e,0x00,0x00,0x66,0x66,0x66,0x66,0x3e,0x06,0x03,0x00,0x6e,0x3b,0x18,0x18,0x18,0x18,0x00,0x3f,0x0c,0x1e,0x33,0x33,0x1e,0x0c,0x3f,0x1c,0x36,0x63,0x7f,0x63,0x36,0x1c,0x00,0x1c,0x36,0x63,0x63,0x36,0x36,0x77,0x00,0x38,0x0c,0x18,0x3e,0x33,0x33,0x1e,0x00,0x00,0x00,0x7e,0xdb,0xdb,0x7e,0x00,0x00,0x60,0x30,0x7e,0xdb,0xdb,0x7e,0x06,0x03,0x1c,0x06,0x03,0x1f,0x03,0x06,0x1c,0x00,0x1e,0x33,0x33,0x33,0x33,0x33,0x33,0x00,0x00,0x3f,0x00,0x3f,0x00,0x3f,0x00,0x00,0x0c,0x0c,0x3f,0x0c,0x0c,0x00,0x3f,0x00,0x06,0x0c,0x18,0x0c,0x06,0x00,0x3f,0x00,0x18,0x0c,0x06,0x0c,0x18,0x00,0x3f,0x00,0x70,0xd8,0xd8,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x1b,0x1b,0x0e,0x0c,0x0c,0x00,0x3f,0x00,0x0c,0x0c,0x00,0x00,0x6e,0x3b,0x00,0x6e,0x3b,0x00,0x00,0x1c,0x36,0x36,0x1c,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x18,0x18,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x18,0x00,0x00,0x00,0xf0,0x30,0x30,0x30,0x37,0x36,0x3c,0x38,0x1e,0x36,0x36,0x36,0x36,0x00,0x00,0x00,0x0e,0x18,0x0c,0x06,0x1e,0x00,0x00,0x00,0x00,0x00,0x3c,0x3c,0x3c,0x3c,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
  36. };
  37.  
  38. static void drawTextInternal(u8 *screen, int pitch, int x, int y, 
  39.                              const char *string, bool trans)
  40. {
  41.   screen += y*pitch;
  42.   int inc = 2;
  43.   switch(systemColorDepth) {
  44.   case 24:
  45.     inc = 3;
  46.     break;
  47.   case 32:
  48.     inc = 4;
  49.     break;
  50.   }
  51.   screen += x*inc;
  52.  
  53.   switch(systemColorDepth) {
  54.   case 16:
  55.     {
  56.       while(*string) {
  57.         char c = *string++;
  58.         u8 *scr = screen;
  59.         
  60.         u16 mask = ~RGB_LOW_BITS_MASK;
  61.         int h, w;
  62.         u16 *s = (u16 *)scr;
  63.         for (h = 0; h < 8; h++) {
  64.           for (w = 0; w < 8; w++, s++) {
  65.             int on = (fontdata2[(c<<3)+h]>>w)&1;
  66.             
  67.             if(trans) {
  68.               if(on)
  69.                 *s = ((0xf) << systemRedShift) +
  70.                   ((*s & mask) >>1);
  71.             } else {
  72.               if(on)
  73.                 *s = (0x1f) << systemRedShift;
  74.             }
  75.           }
  76.           scr += pitch;
  77.           s = (u16 *)scr;
  78.         }
  79.         screen += inc*8;
  80.       }
  81.     }
  82.     break;
  83.   case 24:
  84.     {
  85.       while(*string) {
  86.         char c = *string++;
  87.         u8 *scr = screen;
  88.         
  89.         int h, w;
  90.         u8 *s = (u8 *)scr;
  91.         for (h = 0; h < 8; h++) {
  92.           for (w = 0; w < 8; w++, s+=3) {
  93.             int on = (fontdata2[(c<<3)+h]>>w)&1;
  94.             
  95.             if(trans) {
  96.               if(on) {
  97.                 u32 color = (0x1f) << systemRedShift;
  98.                 *s = ((color & 255)>>1)+(*s>>1);
  99.                 *(s+1) = (((color >> 8) & 255)>>1)+(*(s+1)>>1);
  100.                 *(s+2) = (((color >> 16) & 255)>>1)+(*(s+2)>>1);
  101.               }
  102.             } else {
  103.               if(on) {
  104.                 u32 color = (0x1f) << systemRedShift;
  105.                 *s = (color & 255);
  106.                 *(s+1) = (color >> 8) & 255;
  107.                 *(s+2) = (color >> 16) & 255;
  108.               }
  109.             }
  110.           }
  111.           scr += pitch;
  112.           s = (u8 *)scr;
  113.         }
  114.         screen += inc*8;
  115.       }
  116.     }
  117.     break;    
  118.   case 32:
  119.     {
  120.       while(*string) {
  121.         char c = *string++;
  122.         u8 *scr = screen;
  123.         
  124.         int h, w;
  125.         u32 mask = 0xfefefe;
  126.         u32 *s = (u32 *)scr;
  127.         for (h = 0; h < 8; h++) {
  128.           for (w = 0; w < 8; w++, s++) {
  129.             int on = (fontdata2[(c<<3)+h]>>w)&1;
  130.             
  131.             if(trans) {
  132.               if(on)
  133.                 *s = ((0xf) << systemRedShift) + ((*s & mask)>>1);
  134.             } else {
  135.               if(on)
  136.                 *s = (0x1f) << systemRedShift;
  137.             }
  138.           }
  139.           scr += pitch;
  140.           s = (u32 *)scr;
  141.         }
  142.         screen += inc*8;
  143.       }
  144.     }
  145.     break;    
  146.   }
  147. }
  148.  
  149. void drawText(u8 *screen, int pitch, int x, int y, const char *string)
  150. {
  151.   drawTextInternal(screen, pitch, x, y, string, false);
  152. }
  153.  
  154. void drawTextTransp(u8 *screen, int pitch, int x, int y, const char *string)
  155. {
  156.   drawTextInternal(screen, pitch, x, y, string, true);
  157. }
  158.