/* $Id: pixmap.c,v 1.11 2003/09/10 14:01:53 reinelt Exp $ * * generic pixmap driver * * Copyright 1999, 2000 by Michael Reinelt (reinelt@eunet.at) * * This program 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. * * This program 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: pixmap.c,v $ * Revision 1.11  2003/09/10 14:01:53  reinelt * icons nearly finished\! * * Revision 1.10  2002/08/19 04:41:20  reinelt * introduced bar.c, moved bar stuff from display.h to bar.h * * Revision 1.9  2001/05/27 07:19:28  reinelt * * fixed a warning in pixmap.c * temporarily fixed a bug in isdn.c (ISDN_MAX_CHANNELS is no longer defined?) * fixed a bug in configure.in (--with-drivers=xyz did not work) * * Revision 1.8  2001/04/27 05:04:57  reinelt * * replaced OPEN_MAX with sysconf() * replaced mktemp() with mkstemp() * unlock serial port if open() fails * * Revision 1.7  2001/03/17 11:44:10  ltoetsch * allow more than 1 BAR_T * * Revision 1.6  2001/03/16 16:40:17  ltoetsch * implemented time bar * * Revision 1.5  2000/03/26 18:46:28  reinelt * * bug in pixmap.c that leaded to empty bars fixed * name conflicts with X11 resolved * * Revision 1.4  2000/03/25 05:50:43  reinelt * * memory leak in Raster_flush closed * driver family logic changed * * Revision 1.3  2000/03/24 11:36:56  reinelt * * new syntax for raster configuration * changed XRES and YRES to be configurable * PPM driver works nice * * Revision 1.2  2000/03/23 07:24:48  reinelt * * PPM driver up and running (but slow!) * * Revision 1.1  2000/03/22 15:36:21  reinelt * * added '-l' switch (list drivers) * generic pixmap driver added * X11 Framework done * *//*  * exported functions: * * int pix_clear(void); *   clears the pixmap * * int pix_init (int rows, int cols, int XRES, int YRES); *   allocates & clears pixmap * * int pix_put (int row, int col, char *text); *   draws text into the pixmap * * int pix_bar (int type, int row, int col, int max, int len1, int len2); *   draws a bar into the pixmap * * void pix_icon (int ascii, char *buffer) *   used as the "define char" function for icons * */#include <stdlib.h>#include <stdio.h>#include <time.h>#include "display.h"#include "bar.h"#include "icon.h"#include "pixmap.h"#include "fontmap.h"#include "debug.h"static int ROWS=0;static int COLS=0;static int XRES=0;static int YRES=0;unsigned char *LCDpixmap=NULL;int pix_clear(void){  int i;  for (i=0; i<ROWS*COLS; i++) {    LCDpixmap[i]=0;  }  return 0;}int pix_init (int rows, int cols, int xres, int yres){  if (rows<1 || cols<1 || xres<1 || yres<1)     return -1;    if (LCDpixmap)     free (LCDpixmap);  XRES=xres;  YRES=yres;  ROWS=rows*yres;  COLS=cols*xres;  if ((LCDpixmap=malloc (ROWS*COLS*sizeof(unsigned char)))==NULL)    return -1;      return pix_clear();}int pix_put (int row, int col, char *text){  int c, x, y, mask;  row*=YRES;  col*=XRES;    while (*text && col<COLS) {    c=*(unsigned char*)text;    if (c!='\t') {      for (y=0; y<YRES; y++) {	mask=1<<XRES;	for (x=0; x<XRES; x++) {	  mask>>=1;	  LCDpixmap[(row+y)*COLS+col+x]=Fontmap[c][y]&mask?1:0;	}      }    }    col+=XRES;    text++;  }  return 0;}#define N_BAR_T 10int pix_bar (int type, int row, int col, int max, int len1, int len2){  int x, y, len, rev;  static struct {    int row, col, len;    int *buf;    int init;    time_t old;  } vals[N_BAR_T];  time_t now;  int i=0;    row*=YRES;  col*=XRES;  if (type & BAR_H) {    if (max>COLS-col)      max=COLS-col;  } else {    if (max>ROWS-row)      max=ROWS-row;  }    if (len1<1) len1=1;  else if (len1>max) len1=max;  if (type == BAR_T) {    for (i=0; i < N_BAR_T; i++) {      if (vals[i].init == 0 && vals[i].buf == 0) {        vals[i].buf = calloc(len2, sizeof(int));        if (vals[i].buf == NULL) {	  error("Couldn't allocte valbuf");  	  vals[i].init = -1;          return -1;        }        vals[i].init = 1;        vals[i].len = len2;	        vals[i].col = col;	        vals[i].row = row;	        time(&vals[i].old);    	break;      }      else if (vals[i].init==1 && col==vals[i].col && row==vals[i].row)	break;    }    if (i == N_BAR_T) {      error("Too many $t, %d supported", N_BAR_T);      return -1;    }  }  else {    if (len2<1) len2=1;    else if (len2>max) len2=max;  }    rev=0;    switch (type) {  case BAR_L:    len1=max-len1;    len2=max-len2;    rev=1;      case BAR_R:    for (y=0; y<YRES; y++) {      len=y<YRES/2?len1:len2;      for (x=0; x<max; x++) {	LCDpixmap[(row+y)*COLS+col+x]=x<len?!rev:rev;      }    }    break;  case BAR_U:    len1=max-len1;    len2=max-len2;    rev=1;      case BAR_D:    for (y=0; y<max; y++) {      for (x=0; x<XRES; x++) {	len=x<XRES/2?len1:len2;  	LCDpixmap[(row+y)*COLS+col+x]=y<len?!rev:rev;      }    }    break;  case BAR_T:    len1=max-len1;    len2=vals[i].len;    rev=1;    time(&now);    if (now == vals[i].old) {      vals[i].buf[len2-1] += len1;      vals[i].buf[len2-1] /= 2;    }    else {        for (; vals[i].old < now; vals[i].old++)        for (x=1; x<len2; x++)          vals[i].buf[x-1]=vals[i].buf[x];      vals[i].buf[len2-1] = len1;    }    for (x=0; x<len2; x++) {      len = vals[i].buf[x];      for (y=0; y<max; y++) {	// TODO: allow for drawing lines?  	LCDpixmap[(row+y)*COLS+col+x]=y<len?!rev:rev;      }    }    break;  }  return 0;}void pix_icon (int ascii, char *buffer){  // we have to peek the whole screen for this particular icon,  // and render it again  int row, col;  int x, y, mask;  int c;    for (row=0; row<ROWS/YRES; row++) {    for (col=0; col<COLS/XRES; col++) {      c=icon_peek(row, col);      if (c!=ascii) continue;      for (y=0; y<YRES; y++) {	mask=1<<XRES;	for (x=0; x<XRES; x++) {	  mask>>=1;	  LCDpixmap[(row*YRES+y)*COLS+col*XRES+x]=buffer[y]&mask?1:0;	}      }    }  }  }