// main.c
#include <gtk/gtk.h>
static void
draw_round_rectangle (cairo_t * cr,
double x, double y,
double width, double height, double r)
{
cairo_move_to (cr, x + r, y);
cairo_line_to (cr, x + width - r, y);
cairo_move_to (cr, x + width, y + r);
cairo_line_to (cr, x + width, y + height - r);
cairo_move_to (cr, x + width - r, y + height);
cairo_line_to (cr, x + r, y + height);
cairo_move_to (cr, x, y + height - r);
cairo_line_to (cr, x, y + r);
cairo_arc (cr, x + r, y + r, r, 3.14, 3 * 3.14 / 2.0);
cairo_arc (cr, x + width - r, y + r, r, 3 * 3.14 / 2, 2 * 3.14);
cairo_arc (cr, x + width - r, y + height - r, r, 0, 3.14 / 2);
cairo_arc (cr, x + r, y + height - r, r, 3.14 / 2, 3.14);
}
static gboolean
draw (GtkWidget *widget, cairo_t *cr, gpointer user_data)
{
cr = gdk_cairo_create (gtk_widget_get_window (widget));
cairo_set_source_rgb (cr, 0, 0, 0);
cairo_set_line_width (cr, 1);
cairo_rectangle (cr, 20, 20, 120, 80);
cairo_rectangle (cr, 180, 20, 80, 80);
cairo_stroke_preserve (cr);
cairo_set_source_rgb (cr, 1, 1, 1);
cairo_fill (cr);
cairo_set_source_rgb (cr, 0, 0, 0);
cairo_arc (cr, 330, 60, 40, 0, 2 * 3.14);
cairo_stroke_preserve (cr);
cairo_set_source_rgb (cr, 1, 1, 1);
cairo_fill (cr);
cairo_set_source_rgb (cr, 0, 0, 0);
cairo_arc (cr, 90, 160, 40, 3.14 / 4, 3.14);
cairo_close_path (cr);
cairo_stroke_preserve(cr);
cairo_set_source_rgb (cr, 1, 1, 1);
cairo_fill (cr);
cairo_set_source_rgb (cr, 0, 0, 0);
cairo_translate (cr, 220, 180);
cairo_scale (cr, 1, 0.7);
cairo_arc (cr, 0, 0, 50, 0, 2 * 3.14);
cairo_stroke_preserve (cr);
cairo_set_source_rgb (cr, 1, 1, 1);
cairo_fill (cr);
cairo_set_source_rgb (cr, 0.8, 0.4, 0);
cairo_translate (cr, 80, -30);
cairo_set_line_width (cr, 6);
draw_round_rectangle (cr, 5, 5, 60, 60, 8);
cairo_stroke_preserve (cr);
cairo_set_source_rgb (cr, 0.8, 0.8, 0.2);
cairo_fill (cr);
cairo_destroy (cr);
return FALSE;
}
int
main (int argc, char **argv)
{
GtkWidget *window;
GtkWidget *darea;
gtk_init (&argc, &argv);
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
darea = gtk_drawing_area_new ();
gtk_container_add (GTK_CONTAINER (window), darea);
g_signal_connect (darea, "draw",
G_CALLBACK (draw), NULL);
g_signal_connect (window, "destroy",
G_CALLBACK (gtk_main_quit), NULL);
gtk_window_set_position (GTK_WINDOW (window),
GTK_WIN_POS_CENTER);
gtk_window_set_default_size (GTK_WINDOW (window), 390, 240);
gtk_widget_show_all (window);
gtk_main ();
return 0;
}
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