lib/libvgl/text.c

   1 /*-
   2  * SPDX-License-Identifier: BSD-3-Clause
   3  *
   4  * Copyright (c) 1991-1997 Søren Schmidt
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer
  12  *    in this position and unchanged.
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  * 3. The name of the author may not be used to endorse or promote products
  17  *    derived from this software without specific prior written permission
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  20  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  21  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  22  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  23  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  24  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  28  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29  */
  30
  31 #include <sys/cdefs.h>
  32 __FBSDID("$FreeBSD$");
  33
  34 #include <stdio.h>
  35 #include <sys/fbio.h>
  36 #include "vgl.h"
  37
  38 static VGLText          *VGLTextFont;
  39
  40 extern byte VGLFont[];
  41
  42 int
  43 VGLTextSetFontFile(char *filename)
  44 {
  45 FILE *fd;
  46
  47   if (VGLTextFont) {
  48     if (VGLTextFont->BitmapArray != VGLFont)
  49       free (VGLTextFont->BitmapArray);
  50     free(VGLTextFont);
  51   }
  52
  53   if ((VGLTextFont=(VGLText*)malloc(sizeof(VGLText))) == (VGLText*)0)
  54         return 1;
  55
  56   if (filename==NULL) {
  57     VGLTextFont->Width = 8;
  58     VGLTextFont->Height = 8;
  59     VGLTextFont->BitmapArray = VGLFont;
  60   }
  61   else {
  62     if ((fd=fopen(filename, "r"))==(FILE*)0)
  63       return 1;
  64     fread(&VGLTextFont->Width, 1 , 1, fd);
  65     fread(&VGLTextFont->Height, 1 , 1, fd);
  66     VGLTextFont->BitmapArray =
  67       (byte*)malloc(256*((VGLTextFont->Width + 7)/8)*VGLTextFont->Height);
  68     fread(VGLTextFont->BitmapArray, 1,
  69       (256*VGLTextFont->Width* VGLTextFont->Height), fd);
  70     fclose(fd);
  71   }
  72   return 0;
  73 }
  74
  75 void
  76 VGLBitmapPutChar(VGLBitmap *Object, int x, int y, byte ch,
  77                  byte fgcol, byte bgcol, int fill, int dir)
  78 {
  79   int lin, bit;
  80
  81   for(lin = 0; lin < VGLTextFont->Height; lin++) {
  82     for(bit = 0; bit < VGLTextFont->Width; bit++) {
  83       if (VGLTextFont->BitmapArray[((ch*VGLTextFont->Height)+lin)]&(1<<bit))
  84         switch (dir) {
  85           case 0:
  86             VGLSetXY(Object, (x+7-bit), (y+lin), fgcol);
  87             break;
  88           case 1:
  89             VGLSetXY(Object, (x+lin), (y-7+bit), fgcol);
  90             break;
  91           case 2:
  92             VGLSetXY(Object, (x-7+bit), (y-lin), fgcol);
  93             break;
  94           case 3:
  95             VGLSetXY(Object, (x-lin), (y+7-bit), fgcol);
  96             break;
  97           case 4:
  98             VGLSetXY(Object, (x+lin+7-bit), (y+lin+bit), fgcol);
  99             break;
 100         }
 101       else if (fill)
 102         switch (dir) {
 103           case 0:
 104             VGLSetXY(Object, (x+7-bit), (y+lin), bgcol);
 105             break;
 106           case 1:
 107             VGLSetXY(Object, (x+lin), (y-7+bit), bgcol);
 108             break;
 109           case 2:
 110             VGLSetXY(Object, (x-7+bit), (y-lin), bgcol);
 111             break;
 112           case 3:
 113             VGLSetXY(Object, (x-lin), (y+7-bit), bgcol);
 114             break;
 115           case 4:
 116             VGLSetXY(Object, (x+lin+7-bit), (y+lin+bit), bgcol);
 117             break;
 118         }
 119     }
 120   }
 121 }
 122
 123 void
 124 VGLBitmapString(VGLBitmap *Object, int x, int y, char *str,
 125                 byte fgcol, byte bgcol, int fill, int dir)
 126 {
 127   int pos;
 128
 129   for (pos=0; pos<strlen(str); pos++) {
 130     switch (dir) {
 131       case 0:
 132         VGLBitmapPutChar(Object, x+(pos*VGLTextFont->Width), y,
 133                          str[pos], fgcol, bgcol, fill, dir);
 134         break;
 135       case 1:
 136         VGLBitmapPutChar(Object, x, y-(pos*VGLTextFont->Width),
 137                          str[pos], fgcol, bgcol, fill, dir);
 138         break;
 139       case 2:
 140         VGLBitmapPutChar(Object, x-(pos*VGLTextFont->Width), y,
 141                          str[pos], fgcol, bgcol, fill, dir);
 142         break;
 143       case 3:
 144         VGLBitmapPutChar(Object, x, y+(pos*VGLTextFont->Width),
 145                          str[pos], fgcol, bgcol, fill, dir);
 146         break;
 147       case 4:
 148         VGLBitmapPutChar(Object, x+(pos*VGLTextFont->Width),
 149                          y-(pos*VGLTextFont->Width),
 150                          str[pos], fgcol, bgcol, fill, dir);
 151         break;
 152     }
 153   }
 154 }
 155
 156 byte VGLFont[] = {
 157 0,0,0,0,0,0,0,0,126,129,165,129,189,153,129,126,126,255,219,255,195,231,
 158 255,126,108,254,254,254,124,56,16,0,16,56,124,254,124,56,16,0,56,124,56,
 159 254,254,124,56,124,16,16,56,124,254,124,56,124,0,0,24,60,60,24,0,0,255,
 160 255,231,195,195,231,255,255,0,60,102,66,66,102,60,0,255,195,153,189,189,
 161 153,195,255,15,7,15,125,204,204,204,120,60,102,102,102,60,24,126,24,63,
 162 51,63,48,48,112,240,224,127,99,127,99,99,103,230,192,153,90,60,231,231,
 163 60,90,153,128,224,248,254,248,224,128,0,2,14,62,254,62,14,2,0,24,60,126,
 164 24,24,126,60,24,102,102,102,102,102,0,102,0,127,219,219,123,27,27,27,0,
 165 62,99,56,108,108,56,204,120,0,0,0,0,126,126,126,0,24,60,126,24,126,60,24,
 166 255,24,60,126,24,24,24,24,0,24,24,24,24,126,60,24,0,0,24,12,254,12,24,0,
 167 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,
 168 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,
 169 120,48,48,0,48,0,108,108,108,0,0,0,0,0,108,108,254,108,254,108,108,0,48,
 170 124,192,120,12,248,48,0,0,198,204,24,48,102,198,0,56,108,56,118,220,204,
 171 118,0,96,96,192,0,0,0,0,0,24,48,96,96,96,48,24,0,96,48,24,24,24,48,96,0,
 172 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,
 173 252,0,0,0,0,0,0,0,0,0,48,48,0,6,12,24,48,96,192,128,0,124,198,206,222,246,
 174 230,124,0,48,112,48,48,48,48,252,0,120,204,12,56,96,204,252,0,120,204,12,
 175 56,12,204,120,0,28,60,108,204,254,12,30,0,252,192,248,12,12,204,120,0,56,
 176 96,192,248,204,204,120,0,252,204,12,24,48,48,48,0,120,204,204,120,204,204,
 177 120,0,120,204,204,124,12,24,112,0,0,48,48,0,0,48,48,0,0,48,48,0,0,48,48,
 178 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,
 179 204,12,24,48,0,48,0,124,198,222,222,222,192,120,0,48,120,204,204,252,204,
 180 204,0,252,102,102,124,102,102,252,0,60,102,192,192,192,102,60,0,248,108,
 181 102,102,102,108,248,0,254,98,104,120,104,98,254,0,254,98,104,120,104,96,
 182 240,0,60,102,192,192,206,102,62,0,204,204,204,252,204,204,204,0,120,48,
 183 48,48,48,48,120,0,30,12,12,12,204,204,120,0,230,102,108,120,108,102,230,
 184 0,240,96,96,96,98,102,254,0,198,238,254,254,214,198,198,0,198,230,246,222,
 185 206,198,198,0,56,108,198,198,198,108,56,0,252,102,102,124,96,96,240,0,120,
 186 204,204,204,220,120,28,0,252,102,102,124,108,102,230,0,120,204,224,112,
 187 28,204,120,0,252,180,48,48,48,48,120,0,204,204,204,204,204,204,252,0,204,
 188 204,204,204,204,120,48,0,198,198,198,214,254,238,198,0,198,198,108,56,56,
 189 108,198,0,204,204,204,120,48,48,120,0,254,198,140,24,50,102,254,0,120,96,
 190 96,96,96,96,120,0,192,96,48,24,12,6,2,0,120,24,24,24,24,24,120,0,16,56,
 191 108,198,0,0,0,0,0,0,0,0,0,0,0,255,48,48,24,0,0,0,0,0,0,0,120,12,124,204,
 192 118,0,224,96,96,124,102,102,220,0,0,0,120,204,192,204,120,0,28,12,12,124,
 193 204,204,118,0,0,0,120,204,252,192,120,0,56,108,96,240,96,96,240,0,0,0,118,
 194 204,204,124,12,248,224,96,108,118,102,102,230,0,48,0,112,48,48,48,120,0,
 195 12,0,12,12,12,204,204,120,224,96,102,108,120,108,230,0,112,48,48,48,48,
 196 48,120,0,0,0,204,254,254,214,198,0,0,0,248,204,204,204,204,0,0,0,120,204,
 197 204,204,120,0,0,0,220,102,102,124,96,240,0,0,118,204,204,124,12,30,0,0,
 198 220,118,102,96,240,0,0,0,124,192,120,12,248,0,16,48,124,48,48,52,24,0,0,
 199 0,204,204,204,204,118,0,0,0,204,204,204,120,48,0,0,0,198,214,254,254,108,
 200 0,0,0,198,108,56,108,198,0,0,0,204,204,204,124,12,248,0,0,252,152,48,100,
 201 252,0,28,48,48,224,48,48,28,0,24,24,24,0,24,24,24,0,224,48,48,28,48,48,
 202 224,0,118,220,0,0,0,0,0,0,0,16,56,108,198,198,254,0,0,0,0,0,0,0,0,0,0,0,
 203 60,126,255,126,24,0,170,85,85,170,170,85,85,170,68,68,68,68,31,4,4,4,124,
 204 64,64,64,31,16,16,16,56,68,68,56,30,17,20,19,64,64,64,124,31,16,16,16,56,
 205 108,56,0,0,0,0,0,0,0,24,24,24,24,126,0,68,100,76,68,16,16,16,31,68,68,40,
 206 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,
 207 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,
 208 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,
 209 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,
 210 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,
 211 126,0,0,0,3,62,54,54,108,0,0,0,4,126,16,126,64,0,0,28,48,48,48,48,126,0,
 212 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,
 213 192,124,16,0,56,96,96,240,96,252,0,0,195,60,102,102,60,195,0,0,204,204,
 214 120,48,252,48,0,24,24,24,0,24,24,24,0,126,192,124,198,124,6,252,0,198,0,
 215 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,
 216 204,102,51,0,0,0,254,6,0,0,0,0,0,0,0,0,0,0,0,0,0,124,130,186,178,170,130,
 217 124,0,254,0,0,0,0,0,0,0,56,108,56,0,0,0,0,0,0,16,124,16,0,124,0,0,28,54,
 218 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,
 219 118,192,126,202,202,126,10,10,10,0,0,0,0,24,0,0,0,0,0,0,0,0,0,0,24,48,6,
 220 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,
 221 108,51,103,15,3,96,224,102,108,54,106,4,14,240,32,150,108,51,103,15,3,48,
 222 0,48,96,192,204,120,0,24,12,48,120,204,252,204,0,96,192,48,120,204,252,
 223 204,0,120,132,48,120,204,252,204,0,102,152,48,120,204,252,204,0,204,0,48,
 224 120,204,252,204,0,48,72,48,120,204,252,204,0,62,120,152,156,248,152,158,
 225 0,60,102,192,192,192,102,28,48,48,24,254,98,120,98,254,0,24,48,254,98,120,
 226 98,254,0,56,68,254,98,120,98,254,0,102,0,254,98,120,98,254,0,96,48,120,
 227 48,48,48,120,0,24,48,120,48,48,48,120,0,120,132,120,48,48,48,120,0,204,
 228 0,120,48,48,48,120,0,120,108,102,246,102,108,120,0,102,152,230,246,222,
 229 206,198,0,48,24,124,198,198,198,124,0,24,48,124,198,198,198,124,0,56,68,
 230 124,198,198,198,124,0,102,152,124,198,198,198,124,0,198,0,124,198,198,198,
 231 124,0,0,198,108,56,56,108,198,0,6,124,206,154,178,230,120,192,96,48,204,
 232 204,204,204,252,0,24,48,204,204,204,204,252,0,120,132,204,204,204,204,252,
 233 0,204,0,204,204,204,204,252,0,24,48,204,204,120,48,120,0,96,120,108,120,
 234 96,96,96,0,120,204,196,220,198,198,220,192,48,24,120,12,124,204,118,0,24,
 235 48,120,12,124,204,118,0,120,132,120,12,124,204,118,0,102,152,120,12,124,
 236 204,118,0,204,0,120,12,124,204,118,0,48,72,56,12,124,204,118,0,0,0,236,
 237 50,126,176,110,0,0,0,60,102,192,102,28,48,48,24,120,204,252,192,120,0,24,
 238 48,120,204,252,192,120,0,120,132,120,204,252,192,120,0,204,0,120,204,252,
 239 192,120,0,96,48,0,112,48,48,120,0,24,48,0,112,48,48,120,0,112,136,0,112,
 240 48,48,120,0,204,0,0,112,48,48,120,0,108,56,108,12,108,204,120,0,102,152,
 241 248,204,204,204,204,0,96,48,0,124,198,198,124,0,24,48,0,124,198,198,124,
 242 0,56,68,0,124,198,198,124,0,102,152,0,124,198,198,124,0,198,0,0,124,198,
 243 198,124,0,0,0,24,0,126,0,24,0,0,0,6,124,222,246,124,192,96,48,0,204,204,
 244 204,118,0,24,48,0,204,204,204,118,0,48,72,0,204,204,204,118,0,204,0,0,204,
 245 204,204,118,0,24,48,204,204,204,124,12,248,224,120,108,102,108,120,224,
 246 0,204,0,204,204,204,124,12,248
 247 };