153 lines
4.6 KiB
C
153 lines
4.6 KiB
C
/*
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chart.c -- Part of Chart-generator for the weatherstation
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Copyright (C) 2006 Jan Losinski
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include "../common.h"
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#include "../config.h"
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#include "image_common.h"
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static int read_time(const char *, void *);
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static int read_color(const char *, void *);
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static int read_double(const char *, void *);
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/* Zuordnung zwischen Schlüsselwörtern in der Config, Der Funktion, die diese auswertet
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* und dem eld in der Options-Struktur */
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static const config_keyword keywords[] = {
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/* keyword handler variable address default */
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{"filename", read_str, &(img_cfg.file_name), ""},
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{"headline", read_str, &(img_cfg.headline), ""},
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{"table_field", read_str, &(img_cfg.table_field), ""},
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{"manual_table", read_yn, &(img_cfg.manual_table), "no"},
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{"manual_table_name", read_str, &(img_cfg.table_name), ""},
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{"gen_interval", read_time, &(img_cfg.gen_interval), ""},
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{"show_interval", read_time, &(img_cfg.show_interval), ""},
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{"label_interval", read_time, &(img_cfg.label_interval), ""},
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{"label_sum", read_yn, &(img_cfg.label_sum), ""},
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{"width", read_int, &(img_cfg.width), ""},
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{"height", read_int, &(img_cfg.height), ""},
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{"sensor_id", read_int, &(img_cfg.sens_id), ""},
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{"value_koeffizient", read_double, &(img_cfg.val_koeff), ""},
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{"bg_color", read_color, &(img_cfg.bg_color), ""},
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{"dia_bg_color", read_color, &(img_cfg.dia_bg_color), ""},
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{"dia_line_color", read_color, &(img_cfg.dia_line_color), ""},
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{"dia_grid_color", read_color, &(img_cfg.dia_grid_color), ""},
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{"dia_border_color", read_color, &(img_cfg.dia_border_color), ""},
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{"zero_line_color", read_color, &(img_cfg.zero_line_color), ""},
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{"", NULL, NULL, ""}
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};
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static int read_double(const char *line, void *arg){
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double *dest = arg;
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*dest = atof(line);
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return 1;
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}
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static int read_color(const char *line, void *arg){
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img_color_ptr *col = arg;
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img_color_ptr tmp = NULL;
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char *buff = malloc(sizeof(char)*3);
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if(strlen(line) == 11){
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if (strchr(line, ':') != NULL){
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tmp = malloc(sizeof(img_color_t));
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tmp->r = strtol(strncpy(buff, line, 2), NULL, 16);
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tmp->b = strtol(strncpy(buff, line+3, 2), NULL, 16);
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tmp->g = strtol(strncpy(buff, line+6, 2), NULL, 16);
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tmp->alpha = strtol(strncpy(buff, line+9, 2), NULL, 16);
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DEBUGOUT5(" Farbe gelesen: rot:%2x gelb:%2x gruen:%2x mit alpha:%2x\n", tmp->r, tmp->b, tmp->g, tmp->alpha) ;
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}
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}
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*col = tmp;
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free(buff);
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return 1;
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}
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/* Ein Interval einlesen.
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* wandelt Zeitangaben von der Form:
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* 10s 10m 10h 10d 10y
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* in Sekunden-Werte um */
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static int read_time(const char *line, void *arg){
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long *dest = arg;
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long mult = 0;
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char *p = NULL;
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p = strchr(line, '\0');
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if(p != NULL){
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switch( *(p - 1) ){
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case 's':
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mult = 1;
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break;
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case 'm':
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mult = 60;
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break;
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case 'h':
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mult = 3600;
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break;
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case 'd':
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mult = 86400;
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break;
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case 'y':
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mult = 31536000;
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break;
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default:
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break;
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}
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if( mult ){
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strcpy(p - 1, "\0");
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} else {
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mult = 1;
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}
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}
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*dest = atol(line) * mult;
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return 1;
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}
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/* Liest ein Bild-Configfile */
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int get_image_cfg(char *file){
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int ret_var;
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char *buff;
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buff = malloc(sizeof(char)*(strlen(file)+strlen(global_opts.image_cfg_location)+1));
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buff = strcpy(buff, global_opts.image_cfg_location);
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buff = strcat(buff, file);
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DEBUGOUT2("\nLese Config-File: '%s' \n", buff);
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ret_var = read_config(buff, 1, keywords);
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return ret_var;
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}
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