/* $Id: Raster.c,v 1.27 2003/09/10 14:01:52 reinelt Exp $ * * driver for raster formats * * 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: Raster.c,v $ * 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_PPMint 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_PNGint 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;}#endifint 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("size","20x4"), "%dx%d", &cols, &rows)!=2 || rows<1 || cols<1) {    error ("Raster: bad size '%s'", s);    return -1;  }  if (sscanf(s=cfg_get("font","5x8"), "%dx%d", &xres, &yres)!=2 || xres<5 || yres<7) {    error ("Raster: bad font '%s'", s);    return -1;  }  if (sscanf(s=cfg_get("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("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("border", 0, 0, 1000000, &border)<0) return -1;  if (sscanf(s=cfg_get("foreground","#102000"), "#%x", &foreground)!=1) {    error ("Raster: bad foreground color '%s'", s);    return -1;  }  if (sscanf(s=cfg_get("halfground","#70c000"), "#%x", &halfground)!=1) {    error ("Raster: bad halfground color '%s'", s);    return -1;  }  if (sscanf(s=cfg_get("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("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 }};