Attachment 3861 Details for Bug 4135 – My test program

My test program

test-random-xlib.c (text/plain), 1.25 KB, created by Emmanuel Pacaud on 2005-11-22 00:26:44 UTC

(hide)

Description:

Filename:

MIME Type:

Creator: Emmanuel Pacaud

Created: 2005-11-22 00:26:44 UTC

Size: 1.25 KB

patch

obsolete

>#include <gtk/gtk.h>
>#include <cairo.h>
>#include <stdlib.h>
>
>#define SIZE 380
>#define NBR 20000
>
>static double
>frand (void)
>{
>    return ((double) rand() / RAND_MAX * SIZE);
>}
>
>static
>expose(GtkWidget *widget, GdkEventExpose *event, gpointer data)
>{
>	cairo_surface_t *surface;
>	cairo_t *cairo;
>	int i;
>	
>	cairo = gdk_cairo_create(widget-> window);
>
>	cairo_rectangle (cairo, 0, 0, SIZE, SIZE);
>	cairo_set_source_rgba (cairo, 1, 1, 1, 0);
>	cairo_fill (cairo);
>
>	cairo_set_line_join (cairo, CAIRO_LINE_JOIN_ROUND);
>	cairo_set_line_cap (cairo, CAIRO_LINE_CAP_ROUND);
>	
>	cairo_set_line_width (cairo, 1.0);
>	cairo_set_source_rgba (cairo, 0., 0., 0., 1.0);
>	cairo_move_to (cairo, frand(), frand());
>	for (i = 0; i < NBR; i++)
>		cairo_line_to (cairo, frand(), frand ());
>	cairo_stroke (cairo);
>	cairo_destroy (cairo);
>
>	return 0;
>}
>
>
>int main (int argc, char **argv)
>{
>	gtk_init(&argc, &argv);
>	
>	GtkWidget *win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
>	g_signal_connect(win, "delete_event", gtk_main_quit, NULL);
>	
>	GtkWidget* area = gtk_drawing_area_new(); 
>	gtk_widget_set_size_request (area, SIZE, SIZE);
>	g_signal_connect(G_OBJECT(area), "expose_event", G_CALLBACK(expose), NULL);
>	
>	gtk_container_add(GTK_CONTAINER(win), area);
>	
>	gtk_widget_show_all(win);
>	
>	gtk_main();
>	return 0;
>}
>

Actions: View

Attachments on bug 4135: 2918 | 3861 | 3862 | 5940

Use of freedesktop.org services, including Bugzilla, is subject to our Code of Conduct. How we collect and use information is described in our Privacy Policy.