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#include <gtk/gtk.h>
#include <gdk/gdkx.h>
#include <gdk-pixbuf/gdk-pixbuf.h>
#include <gdk-pixbuf/gdk-pixbuf-drawable.h>
void close_app(GtkWidget *widget, gpointer data)
{
gtk_main_quit();
}
void expose_cb(GtkWidget *drawing_area, GdkEventExpose *evt, gpointer
data)
{
GdkPixbuf *pixbuf;
gint x1, y1, x2, y2;
pixbuf = (GdkPixbuf *) gtk_object_get_data(GTK_OBJECT(drawing_area),
"pixbuf");
if(pixbuf->art_pixbuf->has_alpha)
{
gdk_draw_rgb_32_image(drawing_area->window,
drawing_area->style->black_gc,
evt->area.x, evt->area.y,
evt->area.width,
evt->area.height,
GDK_RGB_DITHER_MAX,
pixbuf->art_pixbuf->pixels +
(evt->area.y * pixbuf->art_pixbuf->rowstride) +
(evt->area.x * pixbuf->art_pixbuf->n_channels),
pixbuf->art_pixbuf->rowstride);
}
else
{
gdk_draw_rgb_image(drawing_area->window,
drawing_area->style->white_gc,
evt->area.x, evt->area.y,
evt->area.width,
evt->area.height,
GDK_RGB_DITHER_NORMAL,
pixbuf->art_pixbuf->pixels +
(evt->area.y * pixbuf->art_pixbuf->rowstride) +
(evt->area.x * pixbuf->art_pixbuf->n_channels),
pixbuf->art_pixbuf->rowstride);
}
}
void configure_cb(GtkWidget *drawing_area, GdkEventConfigure *evt,
gpointer data)
{
GdkPixbuf *pixbuf, spb;
pixbuf = (GdkPixbuf *) gtk_object_get_data(GTK_OBJECT(drawing_area),
"pixbuf");
g_print("X:%d Y:%d\n", evt->width, evt->height);
#if 0
if(((evt->width) != (pixbuf->art_pixbuf->width)) ||
((evt->height) != (pixbuf->art_pixbuf->height)))
gdk_pixbuf_scale(pixbuf, evt->width, evt->height);
#endif
}
int main(int argc, char **argv)
{
GdkWindow *root;
GtkWidget *window;
GtkWidget *vbox;
GtkWidget *drawing_area;
GdkPixbuf *pixbuf;
gint width, height;
gint x, y;
gtk_init(&argc, &argv);
gdk_rgb_set_verbose(TRUE);
gdk_rgb_init();
gtk_widget_set_default_colormap(gdk_rgb_get_cmap());
gtk_widget_set_default_visual(gdk_rgb_get_visual());
root = gdk_window_foreign_new(GDK_ROOT_WINDOW());
pixbuf = gdk_pixbuf_rgb_from_drawable(root, 0, 0, 150, 160);
window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
gtk_signal_connect(GTK_OBJECT(window), "delete_event",
GTK_SIGNAL_FUNC(close_app), NULL);
gtk_signal_connect(GTK_OBJECT(window), "destroy",
GTK_SIGNAL_FUNC(close_app), NULL);
vbox = gtk_vbox_new(FALSE, 0);
gtk_container_add(GTK_CONTAINER(window), vbox);
drawing_area = gtk_drawing_area_new();
gtk_drawing_area_size(GTK_DRAWING_AREA(drawing_area),
pixbuf->art_pixbuf->width,
pixbuf->art_pixbuf->height);
gtk_signal_connect(GTK_OBJECT(drawing_area), "expose_event",
GTK_SIGNAL_FUNC(expose_cb), NULL);
gtk_signal_connect(GTK_OBJECT(drawing_area), "configure_event",
GTK_SIGNAL_FUNC(configure_cb), NULL);
gtk_object_set_data(GTK_OBJECT(drawing_area), "pixbuf", pixbuf);
gtk_box_pack_start(GTK_BOX(vbox), drawing_area, TRUE, TRUE, 0);
gtk_widget_show_all(window);
gtk_main();
}
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