/* $Id: icon.c,v 1.12 2004/01/09 04:16:06 reinelt Exp $ * * generic icon and heartbeat handling * * Copyright 2003 Michael Reinelt * * This file is part of LCD4Linux. * * LCD4Linux is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2, or (at your option) * any later version. * * LCD4Linux is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * * * $Log: icon.c,v $ * Revision 1.12 2004/01/09 04:16:06 reinelt * added 'section' argument to cfg_get(), but NULLed it on all calls by now. * * Revision 1.11 2003/10/22 04:32:25 reinelt * fixed icon bug found by Rob van Nieuwkerk * * Revision 1.10 2003/10/22 04:19:16 reinelt * Makefile.in for imon.c/.h, some MatrixOrbital clients * * Revision 1.9 2003/10/05 17:58:50 reinelt * libtool junk; copyright messages cleaned up * * Revision 1.8 2003/09/19 03:51:29 reinelt * minor fixes, widget.c added * * Revision 1.7 2003/09/11 04:09:53 reinelt * minor cleanups * * Revision 1.6 2003/09/10 14:01:53 reinelt * icons nearly finished\! * * Revision 1.5 2003/09/10 03:48:23 reinelt * Icons for M50530, new processing scheme (Ticks.Text...) * * Revision 1.4 2003/09/09 05:30:34 reinelt * even more icons stuff * * Revision 1.3 2003/09/01 04:09:34 reinelt * icons nearly finished, but MatrixOrbital only * * Revision 1.2 2003/08/24 05:17:58 reinelt * liblcd4linux patch from Patrick Schemitz * * Revision 1.1 2003/08/24 04:31:56 reinelt * icon.c icon.h added * * */ /* * exported functions: * * int icon_init (int rows, int cols, int xres, int yres, int chars, int icons, * void(*defchar)(int ascii, char *bitmap)) * initializes all icons stuff and reads the bitmaps from config file. * * void icon_clear(void) * clears the icon framebuffer * * int icon_draw (int num, int seq, int row, int col) * puts icon #num sequence #seq at position row, col in the icon framebuffer * * int icon_peek (int row, int col) * returns icon# or -1 if none from position row, col * */ #include #include #include #include "debug.h" #include "cfg.h" #include "icon.h" typedef struct BITMAP { int nData; int lData; char *Data; } BITMAP; static int ROWS=0; static int COLS=0; static int XRES=0; static int YRES=0; static int CHARS; static int ICONS=0; static int *Screen=NULL; static struct BITMAP *Bitmap=NULL; static void(*Defchar)(int ascii, char *bitmap); static int icon_read_bitmap (int num) { struct BITMAP *bm = Bitmap+num; int row, n; char key[15]; char *val, *v; char *map; for (row=0; rowData+row; n=0; for (v=val; *v!='\0'; v++) { if (n>=bm->nData) { bm->nData++; bm->Data=realloc(bm->Data, bm->nData*YRES*sizeof(char)); memset (bm->Data+n*YRES, 0, YRES*sizeof(char)); map=bm->Data+n*YRES+row; } switch (*v) { case '|': n++; map+=YRES; break; case '*': (*map)<<=1; (*map)|=1; break; default: (*map)<<=1; } } } return 0; } int icon_init (int rows, int cols, int xres, int yres, int chars, int icons, void(*defchar)(int ascii, char *bitmap)) { int n; if (rows<1 || cols<1) return -1; ROWS=rows; COLS=cols; XRES=xres; YRES=yres; CHARS=chars, ICONS=icons; if ((Screen=malloc(ROWS*COLS*sizeof(*Screen)))==NULL) { error ("icon buffer allocation failed: out of memory?"); return -1; } if ((Bitmap=malloc(icons*sizeof(*Bitmap)))==NULL) { error ("icon allocation failed: out of memory?"); return -1; } Defchar=defchar; icon_clear(); for (n=0; n=0 && col>=0) { // icons use last ascii codes from userdef chars Screen[row*COLS+col]=CHARS-num-1; } if (seq>=0) { seq%=Bitmap[num].nData; if (seq!=Bitmap[num].lData) { Bitmap[num].lData=seq; if (Defchar) Defchar (CHARS-num-1, Bitmap[num].Data+seq*YRES); } } return 0; } int icon_peek (int row, int col) { if (Screen) return Screen[row*COLS+col]; else return -1; } a> 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190