/*
 * File : canvastest.c
 *
 * Description : Simple application to demonstrate the use of the GnomeCanvas
 *         with libglade, and hopefully gdk-pixbuf's.
 *
 * Dependencies : canvastest.glade
 *
 * Author : Andrae Muys <andrae@humbug.org.au>
 *
 * Date : 22nd November 2000
 *
 * License : GPL.
 *
 */


 #include <glade/glade.h>
 #include <glade/glade-build.h>
 #include <gdk-pixbuf/gdk-pixbuf.h>
 #include <gnome.h>

 #define FILENAME "canvastest.glade"

 GladeXML *xml;

 GtkWidget *NewGnomeCanvas(GladeXML *xml, GladeWidgetInfo *info) {
	double x1, x2, y1, y2;
	double ppu = 1.0;
	int aa = 1;
	GList *attrlist = info->attributes;
	GnomeCanvas *canvas;

	gdk_rgb_init();

	while(attrlist) {
		GladeAttribute *attr = (GladeAttribute *)attrlist->data;
		if (strcmp(attr->name, "scroll_x1")) {
			x1 = atof(attr->value);
		} else if (!strcmp(attr->name, "scroll_x2")) {
			x2 = atof(attr->value);
		} else if (!strcmp(attr->name, "scroll_y1")) {
			y1 = atof(attr->value);
		} else if (!strcmp(attr->name, "scroll_y2")) {
			y2 = atof(attr->value);
		} else if (!strcmp(attr->name, "anti-aliased")) {
			if (!strcmp(attr->value, "False")) {
				aa = 0;
			} else {
				aa = 1;
			}
		} else if (!strcmp(attr->name, "pixels_per_unit")) {
			ppu = atof(attr->value);
		}
		attrlist = g_list_next(attrlist);
	}
	if (aa) {
		/*
		gtk_widget_push_visual(gdk_rgb_get_visual());
		gtk_widget_push_colormap(gdk_rgb_get_cmap());
 		*/
		canvas = (GnomeCanvas*)gnome_canvas_new_aa();
		/*
		gtk_widget_pop_visual();
		gtk_widget_pop_colormap();
 		*/
	} else {
		g_warning("Gdk mode for gnomeCanvas Depreciated.");
		gtk_widget_push_visual(gdk_imlib_get_visual());
		gtk_widget_push_colormap(gdk_imlib_get_colormap());
		canvas = (GnomeCanvas*)gnome_canvas_new();
		gtk_widget_pop_visual();
		gtk_widget_pop_colormap();
	}

	gnome_canvas_set_scroll_region(canvas, x1, y1, x2, y2);
	gnome_canvas_set_pixels_per_unit(canvas, ppu);

	return GTK_WIDGET(canvas);
 }

 GladeWidgetBuildData customWidgets[] = {
	{ "GnomeCanvas", NewGnomeCanvas, NULL },
	{ NULL, NULL, NULL },
 };

 int main(int argc, char *argv[]) {
	GtkWidget *canvas;
	GnomeCanvasItem *item;
	GnomeCanvasItem *pixitem;
	GdkPixbuf *pixbuf;

	gnome_init("canvastest", "0.01", argc, argv);
	glade_init();

	glade_register_widgets(customWidgets);

	xml = glade_xml_new(FILENAME, "mainWindow");
	if(!xml) {
		g_warning("Could not load interface.");
		return 1;
	}

	canvas = glade_xml_get_widget(xml, "canvas");
 /*
	item = gnome_canvas_item_new(gnome_canvas_root(GNOME_CANVAS(canvas)),
		gnome_canvas_rect_get_type(),
		"x1", 100.0,
		"y1", 100.0,
		"x2", 300.0,
		"y2", 300.0,
		"fill_color_rgba", 0x3cb37180,
		"outline_color", "black",
		"width_units", 4.0,
		NULL);
 */

	pixbuf = gdk_pixbuf_new_from_file("/export/home/andrae/src/outlandish/water.jpg");
	if (pixbuf == NULL) {
		g_warning("couldn't load pixmap");
	} else {
		pixitem = gnome_canvas_item_new(gnome_canvas_root(GNOME_CANVAS(canvas)),
			gnome_canvas_pixbuf_get_type(),
			"pixbuf", pixbuf,
			NULL);
		gdk_pixbuf_unref(pixbuf);
	}

	glade_xml_signal_autoconnect(xml);
	gtk_object_unref(GTK_OBJECT(xml));

	gtk_main();

	return 0;
 }