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| /* travail avec cairo */
#include <stdio.h>
#include <cairo.h>
#include <gtk/gtk.h>
int main(int argc, char *argv[])
{
GtkWidget *window;
GtkWidget *darea;
gboolean on_expose_event(GtkWidget *, cairo_t *, gpointer);
gtk_init(&argc, &argv);
window=gtk_window_new(GTK_WINDOW_TOPLEVEL);
darea=gtk_drawing_area_new();
gtk_widget_set_size_request (darea, 400, 100);
gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
gtk_window_set_default_size(GTK_WINDOW(window), 400, 100);
gtk_window_set_title(GTK_WINDOW(window), "GTK window");
gtk_container_add(GTK_CONTAINER(window), darea);
g_signal_connect(G_OBJECT(darea), "expose_event", G_CALLBACK(on_expose_event), NULL);
g_signal_connect(window, "destroy", G_CALLBACK(gtk_main_quit), NULL);
gtk_widget_show_all(window);
gtk_main();
return 0;
}
gboolean on_expose_event(GtkWidget *widget, cairo_t *cr, gpointer user_data)
{
cairo_set_source_rgb(cr, 0., .0, .0);
cairo_select_font_face(cr, "Sans", CAIRO_FONT_SLANT_NORMAL, CAIRO_FONT_WEIGHT_NORMAL);
cairo_set_font_size(cr, 10.0);
cairo_move_to(cr, 10.0, 50.0);
cairo_show_text(cr, "Hello World!");
return FALSE;
} |
