Attachment 5928 Details for Bug 7245 – small test case, requires GTK

small test case, requires GTK

cairo-test.c (text/plain), 1.38 KB, created by Olexiy Avramchenko on 2006-06-16 01:35:47 UTC

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Creator: Olexiy Avramchenko

Created: 2006-06-16 01:35:47 UTC

Size: 1.38 KB

patch

obsolete

>#include <gtk/gtk.h>
>
>static gboolean
>expose(GtkWidget *area, GdkEventExpose *expose, GtkWidget *label)
>{
>	gchar *s;
>	double x1,y1, x2,y2;
>	cairo_t	*cr;
>
>	cr = gdk_cairo_create(area->window);
>
>	cairo_arc(cr, 250.0, 250.0, 157.0, 5.147, 3.432);
>	cairo_set_line_width(cr, 154.0);
>
>	cairo_stroke_extents(cr, &x1,&y1, &x2,&y2);
>
>	s = g_strdup_printf("arc stroke extents:\n%.2fx%.2f %.2fx%.2f\n", x1,y1, x2,y2);
>	gtk_label_set_text(GTK_LABEL(label), s);
>	g_free(s);
>
>	cairo_set_source_rgba(cr, 0.0,0.0,1.0,0.7);
>	cairo_stroke(cr);
>
>	cairo_rectangle(cr, x1,y1,x2-x1,y2-y1);
>	cairo_set_source_rgba(cr, 1.0,0.0,0.0,0.5);
>	cairo_fill(cr);
>
>	cairo_destroy(cr);
>
>	return TRUE;
>}
>
>int
>main(int argc, char **argv)
>{
>	GtkWidget *window;
>	GtkWidget *vbox;
>	GtkWidget *area;
>	GtkWidget *label;
>
>	gtk_init(&argc, &argv);
>
>	window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
>	gtk_widget_set_size_request(window, 550,550);
>	g_signal_connect(window, "delete-event", G_CALLBACK(gtk_main_quit), 0);
>
>	vbox = gtk_vbox_new(FALSE, 6);
>	gtk_container_add(GTK_CONTAINER(window), vbox);
>
>	area = gtk_drawing_area_new();
>	gtk_box_pack_start(GTK_BOX(vbox), area, TRUE,TRUE, 0);
>
>	label = gtk_label_new("");
>	gtk_label_set_selectable(GTK_LABEL(label), TRUE);
>	gtk_box_pack_start(GTK_BOX(vbox), label, FALSE,FALSE, 2);
>
>	g_signal_connect(area, "expose-event", G_CALLBACK(expose), label);
>
>	gtk_widget_show_all(window);
>
>	gtk_main();
>
>	return 0;
>}

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