/* $Id: Raster.c,v 1.29 2004/01/09 04:16:06 reinelt Exp $
*
* driver for raster formats
*
* Copyright 1999, 2000 Michael Reinelt <reinelt@eunet.at>
*
* 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: Raster.c,v $
* Revision 1.29 2004/01/09 04:16:06 reinelt
* added 'section' argument to cfg_get(), but NULLed it on all calls by now.
*
* Revision 1.28 2003/10/05 17:58:50 reinelt
* libtool junk; copyright messages cleaned up
*
* Revision 1.27 2003/09/10 14:01:52 reinelt
* icons nearly finished\!
*
* Revision 1.26 2003/09/09 06:54:43 reinelt
* new function 'cfg_number()'
*
* Revision 1.25 2003/08/24 05:17:58 reinelt
* liblcd4linux patch from Patrick Schemitz
*
* Revision 1.24 2003/08/17 12:11:58 reinelt
* framework for icons prepared
*
* Revision 1.23 2003/07/29 04:56:13 reinelt
* disable Raster driver automagically if gd.h not found
*
* Revision 1.22 2003/07/24 04:48:09 reinelt
* 'soft clear' needed for virtual rows
*
* Revision 1.21 2003/02/22 07:53:10 reinelt
* cfg_get(key,defval)
*
* Revision 1.20 2002/08/19 04:41:20 reinelt
* introduced bar.c, moved bar stuff from display.h to bar.h
*
* Revision 1.19 2001/09/10 13:55:53 reinelt
* M50530 driver
*
* Revision 1.18 2001/03/16 16:40:17 ltoetsch
* implemented time bar
*
* Revision 1.17 2001/03/12 12:39:36 reinelt
*
* reworked autoconf a lot: drivers may be excluded, #define's went to config.h
*
* Revision 1.16 2001/03/02 17:18:52 reinelt
*
* let configure find gd.h
*
* Revision 1.15 2001/03/02 10:18:03 ltoetsch
* added /proc/apm battery stat
*
* Revision 1.14 2001/03/01 22:33:50 reinelt
*
* renamed Raster_flush() to PPM_flush()
*
* Revision 1.13 2001/03/01 15:11:30 ltoetsch
* added PNG,Webinterface
*
* Revision 1.12 2001/03/01 11:08:16 reinelt
*
* reworked configure to allow selection of drivers
*
* Revision 1.11 2001/02/13 09:00:13 reinelt
*
* prepared framework for GPO's (general purpose outputs)
*
* Revision 1.10 2000/08/10 09:44:09 reinelt
*
* new debugging scheme: error(), info(), debug()
* uses syslog if in daemon mode
*
* Revision 1.9 2000/04/03 04:01:31 reinelt
*
* if 'gap' is specified as -1, a gap of (pixelsize+pixelgap) is selected automatically
*
* Revision 1.8 2000/03/28 07:22:15 reinelt
*
* version 0.95 released
* X11 driver up and running
* minor bugs fixed
*
* Revision 1.7 2000/03/26 20:00:44 reinelt
*
* README.Raster added
*
* Revision 1.6 2000/03/26 19:03:52 reinelt
*
* more Pixmap renaming
* quoting of '#' in config file
*
* 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 2000/03/26 12:55:03 reinelt
*
* enhancements to the PPM driver
*
* Revision 1.3 2000/03/25 05:50:43 reinelt
*
* memory leak in Raster_flush closed
* driver family logic changed
*
* Revision 1.2 2000/03/24 11:36:56 reinelt
*
* new syntax for raster configuration
* changed XRES and YRES to be configurable
* PPM driver works nice
*
* Revision 1.1 2000/03/23 07:24:48 reinelt
*
* PPM driver up and running (but slow!)
*
*/
/*
*
* exported fuctions:
*
* struct LCD Raster[]
*
*/
#include "config.h"
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <errno.h>
#include <fcntl.h>
#include <sys/types.h>
#include <sys/stat.h>
#ifdef WITH_PNG
#ifdef HAVE_GD_GD_H
#include <gd/gd.h>
#else
#ifdef HAVE_GD_H
#include <gd.h>
#else
#error "gd.h not found!"
#error "cannot compile PNG driver"
#endif
#endif
#endif
#include "debug.h"
#include "cfg.h"
#include "display.h"
#include "bar.h"
#include "icon.h"
#include "pixmap.h"
static LCD Lcd;
static int pixel=-1;
static int pgap=0;
static int rgap=0;
static int cgap=0;
static int border=0;
static int icons;
static unsigned int foreground=0;
static unsigned int halfground=0;
static unsigned int background=0;
#ifdef WITH_PPM
int PPM_flush (void)
{
static int seq=0;
static unsigned char *bitbuf=NULL;
static unsigned char *rowbuf=NULL;
int xsize, ysize, row, col;
unsigned char R[3], G[3], B[3];
char path[256], tmp[256], buffer[256];
int fd;
xsize=2*border+(Lcd.cols-1)*cgap+Lcd.cols*Lcd.xres*pixel+(Lcd.cols*Lcd.xres-1)*pgap;
ysize=2*border+(Lcd.rows-1)*rgap+Lcd.rows*Lcd.yres*pixel+(Lcd.rows*Lcd.yres-1)*pgap;
if (bitbuf==NULL) {
if ((bitbuf=malloc(xsize*ysize*sizeof(*bitbuf)))==NULL) {
error ("Raster: malloc(%d) failed: %s", xsize*ysize*sizeof(*bitbuf), strerror(errno));
return -1;
}
}
if (rowbuf==NULL) {
if ((rowbuf=malloc(3*xsize*sizeof(*rowbuf)))==NULL) {
error ("Raster: malloc(%d) failed: %s", 3*xsize*sizeof(*rowbuf), strerror(errno));
return -1;
}
}
memset (bitbuf, 0, xsize*ysize*sizeof(*bitbuf));
for (row=0; row<Lcd.rows*Lcd.yres; row++) {
int y=border+(row/Lcd.yres)*rgap+row*(pixel+pgap);
for (col=0; col<Lcd.cols*Lcd.xres; col++) {
int x=border+(col/Lcd.xres)*cgap+col*(pixel+pgap);
int a, b;
for (a=0; a<pixel; a++)
for (b=0; b<pixel; b++)
bitbuf[y*xsize+x+a*xsize+b]=LCDpixmap[row*Lcd.cols*Lcd.xres+col]+1;
}
}
snprintf (path, sizeof(path), output, seq++);
snprintf (tmp, sizeof(tmp), "%s.tmp", path);
if ((fd=open(tmp, O_WRONLY | O_CREAT | O_TRUNC, 0644))<0) {
error ("Raster: open(%s) failed: %s", tmp, strerror(errno));
return -1;
}
snprintf (buffer, sizeof(buffer), "P6\n%d %d\n255\n", xsize, ysize);
if (write (fd, buffer, strlen(buffer))<0) {
error ("Raster: write(%s) failed: %s", tmp, strerror(errno));
return -1;
}
R[0]=0xff&background>>16;
G[0]=0xff&background>>8;
B[0]=0xff&background;
R[1]=0xff&halfground>>16;
G[1]=0xff&halfground>>8;
B[1]=0xff&halfground;
R[2]=0xff&foreground>>16;
G[2]=0xff&foreground>>8;
B[2]=0xff&foreground;
for (row=0; row<ysize; row++) {
int c=0;
for (col=0; col<xsize; col++) {
int i=bitbuf[row*xsize+col];
rowbuf[c++]=R[i];
rowbuf[c++]=G[i];
rowbuf[c++]=B[i];
}
if (write (fd, rowbuf, c)<0) {
error ("Raster: write(%s) failed: %s", tmp, strerror(errno));
return -1;
}
}
if (close (fd)<0) {
error ("Raster: close(%s) failed: %s", tmp, strerror(errno));
return -1;
}
if (rename (tmp, path)<0) {
error ("Raster: rename(%s) failed: %s", tmp, strerror(errno));
return -1;
}
return 0;
}
#endif
#ifdef WITH_PNG
int PNG_flush (void)
{
static int seq=0;
int xsize, ysize, row, col;
char path[256], tmp[256];
FILE *fp;
gdImagePtr im;
int bg, hg, fg;
xsize=2*border+(Lcd.cols-1)*cgap+Lcd.cols*Lcd.xres*pixel+(Lcd.cols*Lcd.xres-1)*pgap;
ysize=2*border+(Lcd.rows-1)*rgap+Lcd.rows*Lcd.yres*pixel+(Lcd.rows*Lcd.yres-1)*pgap;
im = gdImageCreate(xsize, ysize);
/* first color = background */
bg = gdImageColorAllocate(im,
0xff&background>>16,
0xff&background>>8,
0xff&background);
hg = gdImageColorAllocate(im,
0xff&halfground>>16,
0xff&halfground>>8,
0xff&halfground);
fg = gdImageColorAllocate(im,
0xff&foreground>>16,
0xff&foreground>>8,
0xff&foreground);
for (row=0; row<Lcd.rows*Lcd.yres; row++) {
int y=border+(row/Lcd.yres)*rgap+row*(pixel+pgap);
for (col=0; col<Lcd.cols*Lcd.xres; col++) {
int x=border+(col/Lcd.xres)*cgap+col*(pixel+pgap);
gdImageFilledRectangle(im, x, y, x + pixel - 1 , y + pixel - 1,
LCDpixmap[row*Lcd.cols*Lcd.xres+col]? fg : hg);
}
}
snprintf (path, sizeof(path), output, seq++);
snprintf (tmp, sizeof(tmp), "%s.tmp", path);
if ((fp=fopen(tmp, "w")) == NULL) {
error("Png: fopen(%s) failed: %s\n", tmp, strerror(errno));
return -1;
}
gdImagePng(im, fp);
gdImageDestroy(im);
if (fclose (fp) != 0) {
error("Png: fclose(%s) failed: %s\n", tmp, strerror(errno));
return -1;
}
if (rename (tmp, path)<0) {
error("Png: rename(%s) failed: %s\n", tmp, strerror(errno));
return -1;
}
return 0;
}
#endif
int Raster_clear (int full)
{
if (pix_clear()!=0)
return -1;
return 0;
}
int Raster_init (LCD *Self)
{
char *s;
int rows=-1, cols=-1;
int xres=1, yres=-1;
if (output==NULL || *output=='\0') {
error ("Raster: no output file specified (use -o switch)");
return -1;
}
if (sscanf(s=cfg_get(NULL, "size", "20x4"), "%dx%d", &cols, &rows)!=2 || rows<1 || cols<1) {
error ("Raster: bad size '%s'", s);
return -1;
}
if (sscanf(s=cfg_get(NULL, "font", "5x8"), "%dx%d", &xres, &yres)!=2 || xres<5 || yres<7) {
error ("Raster: bad font '%s'", s);
return -1;
}
if (sscanf(s=cfg_get(NULL, "pixel", "4+1"), "%d+%d", &pixel, &pgap)!=2 || pixel<1 || pgap<0) {
error ("Raster: bad pixel '%s'", s);
return -1;
}
if (sscanf(s=cfg_get(NULL, "gap", "3x3"), "%dx%d", &cgap, &rgap)!=2 || cgap<-1 || rgap<-1) {
error ("Raster: bad gap '%s'", s);
return -1;
}
if (rgap<0) rgap=pixel+pgap;
if (cgap<0) cgap=pixel+pgap;
if (cfg_number(NULL, "border", 0, 0, 1000000, &border)<0) return -1;
if (sscanf(s=cfg_get(NULL, "foreground", "#102000"), "#%x", &foreground)!=1) {
error ("Raster: bad foreground color '%s'", s);
return -1;
}
if (sscanf(s=cfg_get(NULL, "halfground", "#70c000"), "#%x", &halfground)!=1) {
error ("Raster: bad halfground color '%s'", s);
return -1;
}
if (sscanf(s=cfg_get(NULL, "background", "#80d000"), "#%x", &background)!=1) {
error ("Raster: bad background color '%s'", s);
return -1;
}
if (pix_init (rows, cols, xres, yres)!=0) {
error ("Raster: pix_init(%d, %d, %d, %d) failed", rows, cols, xres, yres);
return -1;
}
if (cfg_number(NULL, "Icons", 0, 0, 8, &icons) < 0) return -1;
if (icons>0) {
info ("allocating %d icons", icons);
icon_init(rows, cols, xres, yres, 8, icons, pix_icon);
}
Self->rows=rows;
Self->cols=cols;
Self->xres=xres;
Self->yres=yres;
Self->icons=icons;
Lcd=*Self;
pix_clear();
return 0;
}
int Raster_put (int row, int col, char *text)
{
return pix_put (row, col, text);
}
int Raster_bar (int type, int row, int col, int max, int len1, int len2)
{
return pix_bar (type, row, col, max, len1, len2);
}
int Raster_icon (int num, int seq, int row, int col)
{
return icon_draw (num, seq, row, col);
}
LCD Raster[] = {
#ifdef WITH_PPM
{ name: "PPM",
rows: 0,
cols: 0,
xres: 0,
yres: 0,
bars: BAR_L | BAR_R | BAR_U | BAR_D | BAR_H2 | BAR_V2 | BAR_T,
icons: 0,
gpos: 0,
init: Raster_init,
clear: Raster_clear,
put: Raster_put,
bar: Raster_bar,
icon: Raster_icon,
gpo: NULL,
flush: PPM_flush },
#endif
#ifdef WITH_PNG
{ name: "PNG",
rows: 0,
cols: 0,
xres: 0,
yres: 0,
bars: BAR_L | BAR_R | BAR_U | BAR_D | BAR_H2 | BAR_V2 | BAR_T,
icons: 0,
gpos: 0,
init: Raster_init,
clear: Raster_clear,
put: Raster_put,
bar: Raster_bar,
icon: Raster_icon,
gpo: NULL,
flush: PNG_flush },
#endif
{ NULL }
};