Add loading and saving stuff

1 files changed, 102 insertions, 0 deletions

diff --git a/src/loadsave.c b/src/loadsave.c
new file mode 100644
index 0000000..27476a0
--- /dev/null
+++ b/src/loadsave.c
@@ -0,0 +1,102 @@
+/*
+ * loadsave.v
+ *
+ * Colloquium - A tiny presentation program
+ *
+ * Copyright (c) 2011 Thomas White <taw@bitwiz.org.uk>
+ *
+ * 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 3 of the License, 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, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+
+#include "presentation.h"
+#include "objects.h"
+#include "stylesheet.h"
+
+
+int load_presentation(struct presentation *p, const char *filename)
+{
+	return 0;
+}
+
+
+static const char *type_text(enum objtype t)
+{
+	switch ( t )
+	{
+		case TEXT : return "text";
+		default : return "unknown";
+	}
+}
+
+
+static void write_stylesheet(StyleSheet *ss, FILE *fh)
+{
+}
+
+
+int save_presentation(struct presentation *p, const char *filename)
+{
+	FILE *fh;
+	int i;
+
+	fh = fopen(filename, "w");
+	if ( fh == NULL ) return 1;
+
+	fprintf(fh, "# Colloquium presentation file\n");
+	fprintf(fh, "version=0\n");
+
+	write_stylesheet(p->ss, fh);
+
+	for ( i=0; i<p->num_slides; i++ ) {
+
+		int j;
+		struct slide *s;
+
+		s = p->slides[i];
+
+		fprintf(fh, "++slide\n");
+		fprintf(fh, "width=%.2f\n", s->slide_width);
+		fprintf(fh, "height=%.2f\n", s->slide_height);
+
+		for ( j=0; j<s->num_objects; j++ ) {
+
+			struct object *o;
+
+			o = s->objects[j];
+
+			if ( o->empty ) continue;
+
+			fprintf(fh, "++object\n");
+			fprintf(fh, "type=%s\n", type_text(o->type));
+			fprintf(fh, "x=%.2f\n", o->x);
+			fprintf(fh, "y=%.2f\n", o->y);
+			fprintf(fh, "w=%.2f\n", o->bb_width);
+			fprintf(fh, "h=%.2f\n", o->bb_height);
+			fprintf(fh, "--object\n");
+		}
+
+		fprintf(fh, "--slide\n");
+
+	}
+
+	fclose(fh);
+	return 0;
+}