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-rw-r--r--Raster.c509
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-/* $Id: Raster.c,v 1.31 2004/03/03 03:47:04 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 1.31 2004/03/03 03:47:04 reinelt
- * big patch from Martin Hejl:
- * - use qprintf() where appropriate
- * - save CPU cycles on gettimeofday()
- * - add quit() functions to free allocated memory
- * - fixed lots of memory leaks
- *
- * Revision 1.30 2004/01/30 20:57:55 reinelt
- * HD44780 patch from Martin Hejl
- * dmalloc integrated
- *
- * 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"
-
-#ifdef WITH_DMALLOC
-#include <dmalloc.h>
-#endif
-
-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++);
- qprintf(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;
- }
-
- qprintf(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++);
- qprintf(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;
- free(s);
- }
- free(s);
-
- 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;
- free(s);
- }
- free(s);
-
- 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;
- free(s);
- }
- free(s);
-
- 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;
- free(s);
- }
- free(s);
-
- 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;
- free(s);
- }
- free(s);
-
- if (sscanf(s=cfg_get(NULL, "halfground", "#70c000"), "#%x", &halfground)!=1) {
- error ("Raster: bad halfground color '%s'", s);
- return -1;
- free(s);
- }
- free(s);
-
- if (sscanf(s=cfg_get(NULL, "background", "#80d000"), "#%x", &background)!=1) {
- error ("Raster: bad background color '%s'", s);
- return -1;
- free(s);
- }
- free(s);
-
- 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 }
-};
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