/** xgtkimage.c **/
#include <gnome.h>

gint eventDelete(GtkWidget *widget,
        GdkEvent *event,gpointer data);
gint eventDestroy(GtkWidget *widget,
        GdkEvent *event,gpointer data);
static GtkWidget *makeWidget();

int main(int argc,char *argv[])
{
    GtkWidget *app;
    GtkWidget *widget;

    gnome_init("xgtkimage","1.0",argc,argv);
    app = gnome_app_new("xgtkimage","GtkImage");
    gtk_container_set_border_width(GTK_CONTAINER(app),20);
    gtk_signal_connect(GTK_OBJECT(app),"delete_event",
            GTK_SIGNAL_FUNC(eventDelete),NULL);
    gtk_signal_connect(GTK_OBJECT(app),"destroy",
            GTK_SIGNAL_FUNC(eventDestroy),NULL);

    widget = makeWidget();

    gnome_app_set_contents(GNOME_APP(app),widget);
    gtk_widget_show_all(app);
    gtk_main();
    exit(0);
}
gint eventDelete(GtkWidget *widget,
        GdkEvent *event,gpointer data) {
    return(FALSE);
}
gint eventDestroy(GtkWidget *widget,
        GdkEvent *event,gpointer data) {
    gtk_main_quit();
    return(0);
}
static GtkWidget *makeWidget()
{
    int x;
    int y;
    GtkWidget *widget;
    GdkVisual *visual;
    GdkImage *gdkimage;

    visual = gdk_visual_get_system();
    gdkimage = gdk_image_new(GDK_IMAGE_NORMAL,visual,100,100);

    for(x=0; x<100; x++) {
        y = x;
        gdk_image_put_pixel(gdkimage,x,y,0xFFFFFFFF);
        y = 100 - x;
        gdk_image_put_pixel(gdkimage,x,y,0xFFFFFFFF);
    }
    widget = gtk_image_new(gdkimage,NULL);
    return(widget);
}