working on charts

git-svn-id: file:///home/jan/tmp/wetterstation/trunk@79 dd492736-c11a-0410-ad51-8c26713eaf7f

cronjob/chart/image_file/image_common.c

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+#include "image_common.h"

cronjob/chart/image_file/image_draw.c

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+#include <stdio.h>
+#include "image_draw.h"
+#include "image_data.h"
+
+int draw_to_file(FILE *fd){
+  get_image_cfg(200);
+}
+
+static void create_image(){
+
+}
+
+static void draw_image(){
+
+}
+
+static void write_image(){
+
+}

cronjob/chart/image_file/image_draw.h

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+
+int draw_to_file(FILE *);