lib/libvgl/text.c

   1 /*-
   2  * Copyright (c) 1991-1997 Søren Schmidt
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer
  10  *    in this position and unchanged.
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the distribution.
  14  * 3. The name of the author may not be used to endorse or promote products
  15  *    derived from this software without specific prior written permission
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27  *
  28  * $FreeBSD: src/lib/libvgl/text.c,v 1.4 1999/11/08 11:37:39 yokota Exp $
  29  */
  30
  31 #include <stdio.h>
  32 #include <machine/console.h>
  33 #include "vgl.h"
  34
  35 static VGLText          *VGLTextFont = NULL;
  36
  37 extern byte VGLFont[];
  38
  39 int
  40 VGLTextSetFontFile(char *filename)
  41 {
  42 FILE *fd;
  43
  44   if (VGLTextFont) {
  45     if (VGLTextFont->BitmapArray)
  46       free (VGLTextFont->BitmapArray);
  47     free(VGLTextFont);
  48   }
  49
  50   if ((VGLTextFont=(VGLText*)malloc(sizeof(VGLText))) == NULL)
  51         return 1;
  52
  53   if (filename==NULL) {
  54     VGLTextFont->Width = 8;
  55     VGLTextFont->Height = 8;
  56     VGLTextFont->BitmapArray = VGLFont;
  57   }
  58   else {
  59     if ((fd=fopen(filename, "r"))==NULL)
  60       return 1;
  61     fread(&VGLTextFont->Width, 1 , 1, fd);
  62     fread(&VGLTextFont->Height, 1 , 1, fd);
  63     VGLTextFont->BitmapArray =
  64       (byte*)malloc(256*((VGLTextFont->Width + 7)/8)*VGLTextFont->Height);
  65     fread(VGLTextFont->BitmapArray, 1,
  66       (256*VGLTextFont->Width* VGLTextFont->Height), fd);
  67     fclose(fd);
  68   }
  69   return 0;
  70 }
  71
  72 void
  73 VGLBitmapPutChar(VGLBitmap *Object, int x, int y, byte ch,
  74                  byte fgcol, byte bgcol, int fill, int dir)
  75 {
  76   int lin, bit;
  77
  78   for(lin = 0; lin < VGLTextFont->Height; lin++) {
  79     for(bit = 0; bit < VGLTextFont->Width; bit++) {
  80       if (VGLTextFont->BitmapArray[((ch*VGLTextFont->Height)+lin)]&(1<<bit))
  81         switch (dir) {
  82           case 0:
  83             VGLSetXY(Object, (x+7-bit), (y+lin), fgcol);
  84             break;
  85           case 1:
  86             VGLSetXY(Object, (x+lin), (y-7+bit), fgcol);
  87             break;
  88           case 2:
  89             VGLSetXY(Object, (x-7+bit), (y-lin), fgcol);
  90             break;
  91           case 3:
  92             VGLSetXY(Object, (x-lin), (y+7-bit), fgcol);
  93             break;
  94           case 4:
  95             VGLSetXY(Object, (x+lin+7-bit), (y+lin+bit), fgcol);
  96             break;
  97         }
  98       else if (fill)
  99         switch (dir) {
 100           case 0:
 101             VGLSetXY(Object, (x+7-bit), (y+lin), bgcol);
 102             break;
 103           case 1:
 104             VGLSetXY(Object, (x+lin), (y-7+bit), bgcol);
 105             break;
 106           case 2:
 107             VGLSetXY(Object, (x-7+bit), (y-lin), bgcol);
 108             break;
 109           case 3:
 110             VGLSetXY(Object, (x-lin), (y+7-bit), bgcol);
 111             break;
 112           case 4:
 113             VGLSetXY(Object, (x+lin+7-bit), (y+lin+bit), bgcol);
 114             break;
 115         }
 116     }
 117   }
 118 }
 119
 120 void
 121 VGLBitmapString(VGLBitmap *Object, int x, int y, char *str,
 122                 byte fgcol, byte bgcol, int fill, int dir)
 123 {
 124   int pos;
 125
 126   for (pos=0; pos<strlen(str); pos++) {
 127     switch (dir) {
 128       case 0:
 129         VGLBitmapPutChar(Object, x+(pos*VGLTextFont->Width), y,
 130                          str[pos], fgcol, bgcol, fill, dir);
 131         break;
 132       case 1:
 133         VGLBitmapPutChar(Object, x, y-(pos*VGLTextFont->Width),
 134                          str[pos], fgcol, bgcol, fill, dir);
 135         break;
 136       case 2:
 137         VGLBitmapPutChar(Object, x-(pos*VGLTextFont->Width), y,
 138                          str[pos], fgcol, bgcol, fill, dir);
 139         break;
 140       case 3:
 141         VGLBitmapPutChar(Object, x, y+(pos*VGLTextFont->Width),
 142                          str[pos], fgcol, bgcol, fill, dir);
 143         break;
 144       case 4:
 145         VGLBitmapPutChar(Object, x+(pos*VGLTextFont->Width),
 146                          y-(pos*VGLTextFont->Width),
 147                          str[pos], fgcol, bgcol, fill, dir);
 148         break;
 149     }
 150   }
 151 }
 152
 153 byte VGLFont[] = {
 154 0,0,0,0,0,0,0,0,126,129,165,129,189,153,129,126,126,255,219,255,195,231,
 155 255,126,108,254,254,254,124,56,16,0,16,56,124,254,124,56,16,0,56,124,56,
 156 254,254,124,56,124,16,16,56,124,254,124,56,124,0,0,24,60,60,24,0,0,255,
 157 255,231,195,195,231,255,255,0,60,102,66,66,102,60,0,255,195,153,189,189,
 158 153,195,255,15,7,15,125,204,204,204,120,60,102,102,102,60,24,126,24,63,
 159 51,63,48,48,112,240,224,127,99,127,99,99,103,230,192,153,90,60,231,231,
 160 60,90,153,128,224,248,254,248,224,128,0,2,14,62,254,62,14,2,0,24,60,126,
 161 24,24,126,60,24,102,102,102,102,102,0,102,0,127,219,219,123,27,27,27,0,
 162 62,99,56,108,108,56,204,120,0,0,0,0,126,126,126,0,24,60,126,24,126,60,24,
 163 255,24,60,126,24,24,24,24,0,24,24,24,24,126,60,24,0,0,24,12,254,12,24,0,
 164 0,0,48,96,254,96,48,0,0,0,0,192,192,192,254,0,0,0,36,102,255,102,36,0,0,
 165 0,24,60,126,255,255,0,0,0,255,255,126,60,24,0,0,0,0,0,0,0,0,0,0,48,120,
 166 120,48,48,0,48,0,108,108,108,0,0,0,0,0,108,108,254,108,254,108,108,0,48,
 167 124,192,120,12,248,48,0,0,198,204,24,48,102,198,0,56,108,56,118,220,204,
 168 118,0,96,96,192,0,0,0,0,0,24,48,96,96,96,48,24,0,96,48,24,24,24,48,96,0,
 169 0,102,60,255,60,102,0,0,0,48,48,252,48,48,0,0,0,0,0,0,0,48,48,96,0,0,0,
 170 252,0,0,0,0,0,0,0,0,0,48,48,0,6,12,24,48,96,192,128,0,124,198,206,222,246,
 171 230,124,0,48,112,48,48,48,48,252,0,120,204,12,56,96,204,252,0,120,204,12,
 172 56,12,204,120,0,28,60,108,204,254,12,30,0,252,192,248,12,12,204,120,0,56,
 173 96,192,248,204,204,120,0,252,204,12,24,48,48,48,0,120,204,204,120,204,204,
 174 120,0,120,204,204,124,12,24,112,0,0,48,48,0,0,48,48,0,0,48,48,0,0,48,48,
 175 96,24,48,96,192,96,48,24,0,0,0,252,0,0,252,0,0,96,48,24,12,24,48,96,0,120,
 176 204,12,24,48,0,48,0,124,198,222,222,222,192,120,0,48,120,204,204,252,204,
 177 204,0,252,102,102,124,102,102,252,0,60,102,192,192,192,102,60,0,248,108,
 178 102,102,102,108,248,0,254,98,104,120,104,98,254,0,254,98,104,120,104,96,
 179 240,0,60,102,192,192,206,102,62,0,204,204,204,252,204,204,204,0,120,48,
 180 48,48,48,48,120,0,30,12,12,12,204,204,120,0,230,102,108,120,108,102,230,
 181 0,240,96,96,96,98,102,254,0,198,238,254,254,214,198,198,0,198,230,246,222,
 182 206,198,198,0,56,108,198,198,198,108,56,0,252,102,102,124,96,96,240,0,120,
 183 204,204,204,220,120,28,0,252,102,102,124,108,102,230,0,120,204,224,112,
 184 28,204,120,0,252,180,48,48,48,48,120,0,204,204,204,204,204,204,252,0,204,
 185 204,204,204,204,120,48,0,198,198,198,214,254,238,198,0,198,198,108,56,56,
 186 108,198,0,204,204,204,120,48,48,120,0,254,198,140,24,50,102,254,0,120,96,
 187 96,96,96,96,120,0,192,96,48,24,12,6,2,0,120,24,24,24,24,24,120,0,16,56,
 188 108,198,0,0,0,0,0,0,0,0,0,0,0,255,48,48,24,0,0,0,0,0,0,0,120,12,124,204,
 189 118,0,224,96,96,124,102,102,220,0,0,0,120,204,192,204,120,0,28,12,12,124,
 190 204,204,118,0,0,0,120,204,252,192,120,0,56,108,96,240,96,96,240,0,0,0,118,
 191 204,204,124,12,248,224,96,108,118,102,102,230,0,48,0,112,48,48,48,120,0,
 192 12,0,12,12,12,204,204,120,224,96,102,108,120,108,230,0,112,48,48,48,48,
 193 48,120,0,0,0,204,254,254,214,198,0,0,0,248,204,204,204,204,0,0,0,120,204,
 194 204,204,120,0,0,0,220,102,102,124,96,240,0,0,118,204,204,124,12,30,0,0,
 195 220,118,102,96,240,0,0,0,124,192,120,12,248,0,16,48,124,48,48,52,24,0,0,
 196 0,204,204,204,204,118,0,0,0,204,204,204,120,48,0,0,0,198,214,254,254,108,
 197 0,0,0,198,108,56,108,198,0,0,0,204,204,204,124,12,248,0,0,252,152,48,100,
 198 252,0,28,48,48,224,48,48,28,0,24,24,24,0,24,24,24,0,224,48,48,28,48,48,
 199 224,0,118,220,0,0,0,0,0,0,0,16,56,108,198,198,254,0,0,0,0,0,0,0,0,0,0,0,
 200 60,126,255,126,24,0,170,85,85,170,170,85,85,170,68,68,68,68,31,4,4,4,124,
 201 64,64,64,31,16,16,16,56,68,68,56,30,17,20,19,64,64,64,124,31,16,16,16,56,
 202 108,56,0,0,0,0,0,0,0,24,24,24,24,126,0,68,100,76,68,16,16,16,31,68,68,40,
 203 16,31,4,4,4,24,24,24,24,248,0,0,0,0,0,0,0,248,24,24,24,0,0,0,0,31,24,24,
 204 24,24,24,24,24,31,0,0,0,24,24,24,24,255,24,24,24,0,0,0,0,0,0,0,0,0,0,0,
 205 0,0,0,0,0,0,0,0,0,255,0,0,0,0,0,0,0,0,0,255,0,0,0,0,0,0,0,0,0,24,24,24,
 206 24,31,24,24,24,24,24,24,24,248,24,24,24,24,24,24,24,255,0,0,0,0,0,0,0,255,
 207 24,24,24,24,24,24,24,24,24,24,24,0,12,48,96,24,12,126,0,0,48,12,6,24,48,
 208 126,0,0,0,3,62,54,54,108,0,0,0,4,126,16,126,64,0,0,28,48,48,48,48,126,0,
 209 0,0,0,24,0,0,0,0,0,0,0,0,0,0,0,0,48,0,48,48,120,120,48,0,0,0,16,124,192,
 210 192,124,16,0,56,96,96,240,96,252,0,0,195,60,102,102,60,195,0,0,204,204,
 211 120,48,252,48,0,24,24,24,0,24,24,24,0,126,192,124,198,124,6,252,0,198,0,
 212 0,0,0,0,0,0,124,130,186,162,186,130,124,0,28,6,30,34,31,63,0,0,0,51,102,
 213 204,102,51,0,0,0,254,6,0,0,0,0,0,0,0,0,0,0,0,0,0,124,130,186,178,170,130,
 214 124,0,254,0,0,0,0,0,0,0,56,108,56,0,0,0,0,0,0,16,124,16,0,124,0,0,28,54,
 215 6,24,62,0,0,0,30,2,14,2,30,0,0,0,24,48,0,0,0,0,0,0,0,0,204,204,204,204,
 216 118,192,126,202,202,126,10,10,10,0,0,0,0,24,0,0,0,0,0,0,0,0,0,0,24,48,6,
 217 14,6,6,6,0,0,0,14,17,17,17,14,31,0,0,0,204,102,51,102,204,0,0,96,224,102,
 218 108,51,103,15,3,96,224,102,108,54,106,4,14,240,32,150,108,51,103,15,3,48,
 219 0,48,96,192,204,120,0,24,12,48,120,204,252,204,0,96,192,48,120,204,252,
 220 204,0,120,132,48,120,204,252,204,0,102,152,48,120,204,252,204,0,204,0,48,
 221 120,204,252,204,0,48,72,48,120,204,252,204,0,62,120,152,156,248,152,158,
 222 0,60,102,192,192,192,102,28,48,48,24,254,98,120,98,254,0,24,48,254,98,120,
 223 98,254,0,56,68,254,98,120,98,254,0,102,0,254,98,120,98,254,0,96,48,120,
 224 48,48,48,120,0,24,48,120,48,48,48,120,0,120,132,120,48,48,48,120,0,204,
 225 0,120,48,48,48,120,0,120,108,102,246,102,108,120,0,102,152,230,246,222,
 226 206,198,0,48,24,124,198,198,198,124,0,24,48,124,198,198,198,124,0,56,68,
 227 124,198,198,198,124,0,102,152,124,198,198,198,124,0,198,0,124,198,198,198,
 228 124,0,0,198,108,56,56,108,198,0,6,124,206,154,178,230,120,192,96,48,204,
 229 204,204,204,252,0,24,48,204,204,204,204,252,0,120,132,204,204,204,204,252,
 230 0,204,0,204,204,204,204,252,0,24,48,204,204,120,48,120,0,96,120,108,120,
 231 96,96,96,0,120,204,196,220,198,198,220,192,48,24,120,12,124,204,118,0,24,
 232 48,120,12,124,204,118,0,120,132,120,12,124,204,118,0,102,152,120,12,124,
 233 204,118,0,204,0,120,12,124,204,118,0,48,72,56,12,124,204,118,0,0,0,236,
 234 50,126,176,110,0,0,0,60,102,192,102,28,48,48,24,120,204,252,192,120,0,24,
 235 48,120,204,252,192,120,0,120,132,120,204,252,192,120,0,204,0,120,204,252,
 236 192,120,0,96,48,0,112,48,48,120,0,24,48,0,112,48,48,120,0,112,136,0,112,
 237 48,48,120,0,204,0,0,112,48,48,120,0,108,56,108,12,108,204,120,0,102,152,
 238 248,204,204,204,204,0,96,48,0,124,198,198,124,0,24,48,0,124,198,198,124,
 239 0,56,68,0,124,198,198,124,0,102,152,0,124,198,198,124,0,198,0,0,124,198,
 240 198,124,0,0,0,24,0,126,0,24,0,0,0,6,124,222,246,124,192,96,48,0,204,204,
 241 204,118,0,24,48,0,204,204,204,118,0,48,72,0,204,204,204,118,0,204,0,0,204,
 242 204,204,118,0,24,48,204,204,204,124,12,248,224,120,108,102,108,120,224,
 243 0,204,0,204,204,204,124,12,248
 244 };