src/Text.c

   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] = {
  28   0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x7e,0x81,0xa5,0x81,0xbd,0x99,0x81,0x7e,0x7e,0xff,0xdb,0xff,0xc3,0xe7,0xff,0x7e,0x36,0x7f,0x7f,0x7f,0x3e,0x1c,0x08,0x00,0x08,0x1c,0x3e,0x7f,0x3e,0x1c,0x08,0x00,0x1c,0x3e,0x1c,0x7f,0x7f,0x3e,0x1c,0x3e,0x08,0x08,0x1c,0x3e,0x7f,0x3e,0x1c,0x3e,0x00,0x00,0x18,0x3c,0x3c,0x18,0x00,0x00,0xff,0xff,0xe7,0xc3,0xc3,0xe7,0xff,0xff,0x00,0x3c,0x66,0x42,0x42,0x66,0x3c,0x00,0xff,0xc3,0x99,0xbd,0xbd,0x99,0xc3,0xff,0xf0,0xe0,0xf0,0xbe,0x33,0x33,0x33,0x1e,0x3c,0x66,0x66,0x66,0x3c,0x18,0x7e,0x18,0xfc,0xcc,0xfc,0x0c,0x0c,0x0e,0x0f,0x07,0xfe,0xc6,0xfe,0xc6,0xc6,0xe6,0x67,0x03,0x99,0x5a,0x3c,0xe7,0xe7,0x3c,0x5a,0x99,0x01,0x07,0x1f,0x7f,0x1f,0x07,0x01,0x00,0x40,0x70,0x7c,0x7f,0x7c,0x70,0x40,0x00,0x18,0x3c,0x7e,0x18,0x18,0x7e,0x3c,0x18,0x66,0x66,0x66,0x66,0x66,0x00,0x66,0x00,0xfe,0xdb,0xdb,0xde,0xd8,0xd8,0xd8,0x00,0x7c,0xc6,0x1c,0x36,0x36,0x1c,0x33,0x1e,0x00,0x00,0x00,0x00,0x7e,0x7e,0x7e,0x00,0x18,0x3c,0x7e,0x18,0x7e,0x3c,0x18,0xff,0x18,0x3c,0x7e,0x18,0x18,0x18,0x18,0x00,0x18,0x18,0x18,0x18,0x7e,0x3c,0x18,0x00,0x00,0x18,0x30,0x7f,0x30,0x18,0x00,0x00,0x00,0x0c,0x06,0x7f,0x06,0x0c,0x00,0x00,0x00,0x00,0x03,0x03,0x03,0x7f,0x00,0x00,0x00,0x24,0x66,0xff,0x66,0x24,0x00,0x00,0x00,0x18,0x3c,0x7e,0xff,0xff,0x00,0x00,0x00,0xff,0xff,0x7e,0x3c,0x18,0x00,0x00,
  29   0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0c,0x1e,0x1e,0x0c,0x0c,0x00,0x0c,0x00,0x36,0x36,0x36,0x00,0x00,0x00,0x00,0x00,0x36,0x36,0x7f,0x36,0x7f,0x36,0x36,0x00,0x0c,0x3e,0x03,0x1e,0x30,0x1f,0x0c,0x00,0x00,0x63,0x33,0x18,0x0c,0x66,0x63,0x00,0x1c,0x36,0x1c,0x6e,0x3b,0x33,0x6e,0x00,0x06,0x06,0x03,0x00,0x00,0x00,0x00,0x00,0x18,0x0c,0x06,0x06,0x06,0x0c,0x18,0x00,0x06,0x0c,0x18,0x18,0x18,0x0c,0x06,0x00,0x00,0x66,0x3c,0xff,0x3c,0x66,0x00,0x00,0x00,0x0c,0x0c,0x3f,0x0c,0x0c,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0c,0x0c,0x06,0x00,0x00,0x00,0x3f,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0c,0x0c,0x00,0x60,0x30,0x18,0x0c,0x06,0x03,0x01,0x00,0x3e,0x63,0x73,0x7b,0x6f,0x67,0x3e,0x00,0x0c,0x0e,0x0c,0x0c,0x0c,0x0c,0x3f,0x00,0x1e,0x33,0x30,0x1c,0x06,0x33,0x3f,0x00,0x1e,0x33,0x30,0x1c,0x30,0x33,0x1e,0x00,0x38,0x3c,0x36,0x33,0x7f,0x30,0x78,0x00,0x3f,0x03,0x1f,0x30,0x30,0x33,0x1e,0x00,0x1c,0x06,0x03,0x1f,0x33,0x33,0x1e,0x00,0x3f,0x33,0x30,0x18,0x0c,0x0c,0x0c,0x00,0x1e,0x33,0x33,0x1e,0x33,0x33,0x1e,0x00,0x1e,0x33,0x33,0x3e,0x30,0x18,0x0e,0x00,0x00,0x0c,0x0c,0x00,0x00,0x0c,0x0c,0x00,0x00,0x0c,0x0c,0x00,0x00,0x0c,0x0c,0x06,0x18,0x0c,0x06,0x03,0x06,0x0c,0x18,0x00,0x00,0x00,0x3f,0x00,0x00,0x3f,0x00,0x00,0x06,0x0c,0x18,0x30,0x18,0x0c,0x06,0x00,0x1e,0x33,0x30,0x18,0x0c,0x00,0x0c,0x00,
  30   0x3e,0x63,0x7b,0x7b,0x7b,0x03,0x1e,0x00,0x0c,0x1e,0x33,0x33,0x3f,0x33,0x33,0x00,0x3f,0x66,0x66,0x3e,0x66,0x66,0x3f,0x00,0x3c,0x66,0x03,0x03,0x03,0x66,0x3c,0x00,0x1f,0x36,0x66,0x66,0x66,0x36,0x1f,0x00,0x7f,0x46,0x16,0x1e,0x16,0x46,0x7f,0x00,0x7f,0x46,0x16,0x1e,0x16,0x06,0x0f,0x00,0x3c,0x66,0x03,0x03,0x73,0x66,0x7c,0x00,0x33,0x33,0x33,0x3f,0x33,0x33,0x33,0x00,0x1e,0x0c,0x0c,0x0c,0x0c,0x0c,0x1e,0x00,0x78,0x30,0x30,0x30,0x33,0x33,0x1e,0x00,0x67,0x66,0x36,0x1e,0x36,0x66,0x67,0x00,0x0f,0x06,0x06,0x06,0x46,0x66,0x7f,0x00,0x63,0x77,0x7f,0x7f,0x6b,0x63,0x63,0x00,0x63,0x67,0x6f,0x7b,0x73,0x63,0x63,0x00,0x1c,0x36,0x63,0x63,0x63,0x36,0x1c,0x00,0x3f,0x66,0x66,0x3e,0x06,0x06,0x0f,0x00,0x1e,0x33,0x33,0x33,0x3b,0x1e,0x38,0x00,0x3f,0x66,0x66,0x3e,0x36,0x66,0x67,0x00,0x1e,0x33,0x07,0x0e,0x38,0x33,0x1e,0x00,0x3f,0x2d,0x0c,0x0c,0x0c,0x0c,0x1e,0x00,0x33,0x33,0x33,0x33,0x33,0x33,0x3f,0x00,0x33,0x33,0x33,0x33,0x33,0x1e,0x0c,0x00,0x63,0x63,0x63,0x6b,0x7f,0x77,0x63,0x00,0x63,0x63,0x36,0x1c,0x1c,0x36,0x63,0x00,0x33,0x33,0x33,0x1e,0x0c,0x0c,0x1e,0x00,0x7f,0x63,0x31,0x18,0x4c,0x66,0x7f,0x00,0x1e,0x06,0x06,0x06,0x06,0x06,0x1e,0x00,0x03,0x06,0x0c,0x18,0x30,0x60,0x40,0x00,0x1e,0x18,0x18,0x18,0x18,0x18,0x1e,0x00,0x08,0x1c,0x36,0x63,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,
  31   0x0c,0x0c,0x18,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x1e,0x30,0x3e,0x33,0x6e,0x00,0x07,0x06,0x06,0x3e,0x66,0x66,0x3b,0x00,0x00,0x00,0x1e,0x33,0x03,0x33,0x1e,0x00,0x38,0x30,0x30,0x3e,0x33,0x33,0x6e,0x00,0x00,0x00,0x1e,0x33,0x3f,0x03,0x1e,0x00,0x1c,0x36,0x06,0x0f,0x06,0x06,0x0f,0x00,0x00,0x00,0x6e,0x33,0x33,0x3e,0x30,0x1f,0x07,0x06,0x36,0x6e,0x66,0x66,0x67,0x00,0x0c,0x00,0x0e,0x0c,0x0c,0x0c,0x1e,0x00,0x30,0x00,0x30,0x30,0x30,0x33,0x33,0x1e,0x07,0x06,0x66,0x36,0x1e,0x36,0x67,0x00,0x0e,0x0c,0x0c,0x0c,0x0c,0x0c,0x1e,0x00,0x00,0x00,0x33,0x7f,0x7f,0x6b,0x63,0x00,0x00,0x00,0x1f,0x33,0x33,0x33,0x33,0x00,0x00,0x00,0x1e,0x33,0x33,0x33,0x1e,0x00,0x00,0x00,0x3b,0x66,0x66,0x3e,0x06,0x0f,0x00,0x00,0x6e,0x33,0x33,0x3e,0x30,0x78,0x00,0x00,0x3b,0x6e,0x66,0x06,0x0f,0x00,0x00,0x00,0x3e,0x03,0x1e,0x30,0x1f,0x00,0x08,0x0c,0x3e,0x0c,0x0c,0x2c,0x18,0x00,0x00,0x00,0x33,0x33,0x33,0x33,0x6e,0x00,0x00,0x00,0x33,0x33,0x33,0x1e,0x0c,0x00,0x00,0x00,0x63,0x6b,0x7f,0x7f,0x36,0x00,0x00,0x00,0x63,0x36,0x1c,0x36,0x63,0x00,0x00,0x00,0x33,0x33,0x33,0x3e,0x30,0x1f,0x00,0x00,0x3f,0x19,0x0c,0x26,0x3f,0x00,0x38,0x0c,0x0c,0x07,0x0c,0x0c,0x38,0x00,0x18,0x18,0x18,0x00,0x18,0x18,0x18,0x00,0x07,0x0c,0x0c,0x38,0x0c,0x0c,0x07,0x00,0x6e,0x3b,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x08,0x1c,0x36,0x63,0x63,0x7f,0x00,
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  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 }