mirror of
https://gitlab.gnome.org/GNOME/gtk.git
synced 2024-12-30 15:31:34 +00:00
d99bd97fe8
2001-12-13 Sebastian Wilhelmi <wilhelmi@ira.uka.de> * gdk-pixbuf-animation.c, gdk-pixbuf-loader.c, gdk-pixpuf.c, io-gif-animation.c, io-gif.c, io-tiff.c, test-loaders.c: Remove assorted G_OBJECT casts where unnecessary. * gdk-pixbuf-loader.c: Call g_object_ref and g_object_unref instead of gdk_pixbuf_animation_ref and gdk_pixbuf_animation_unref resp. * gdk-pixbuf-csource.c, io-bmp.c, io-gif-animation.c, io-ico.c, io-jpeg.c, io-png.c, io-pnm.c, io-ras.c, io-tga.c, io-wbmp.c, io-xbm.c, io-xpm.c, test-gdk-pixbuf.c: Dito for gdk_pixbuf_ref and gdk_pixbuf_unref. * Makefile.am, pixops/Makefile.am: Compile everything with -DG_DISABLE_DEPRECATED -DGDK_PIXBUF_DISABLE_DEPRECATED * gdk-pixdata.c: Use g_ascii_strup() instead of g_strup(). * io-xpm.c: Use g_ascii_strcasecmp() instead of g_strcasecmp(). * demos/testpixbuf-drawable.c, demos/testpixbuf-save.c, demos/testpixbuf-scale.c, demos/testpixbuf.c: Call g_object_ref and g_object_unref instead of gdk_pixbuf_ref and gdk_pixbuf_unref resp.
116 lines
3.3 KiB
C
116 lines
3.3 KiB
C
#include <config.h>
|
|
#include <gtk/gtk.h>
|
|
|
|
int
|
|
close_app (GtkWidget *widget, gpointer data)
|
|
{
|
|
gtk_main_quit ();
|
|
return TRUE;
|
|
}
|
|
|
|
int
|
|
expose_cb (GtkWidget *drawing_area, GdkEventExpose *evt, gpointer data)
|
|
{
|
|
GdkPixbuf *pixbuf;
|
|
|
|
pixbuf = (GdkPixbuf *) g_object_get_data (G_OBJECT (drawing_area), "pixbuf");
|
|
if (gdk_pixbuf_get_has_alpha (pixbuf))
|
|
{
|
|
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,
|
|
gdk_pixbuf_get_pixels (pixbuf) +
|
|
(evt->area.y * gdk_pixbuf_get_rowstride (pixbuf)) +
|
|
(evt->area.x * gdk_pixbuf_get_n_channels (pixbuf)),
|
|
gdk_pixbuf_get_rowstride (pixbuf));
|
|
}
|
|
else
|
|
{
|
|
gdk_draw_rgb_image (drawing_area->window,
|
|
drawing_area->style->black_gc,
|
|
evt->area.x, evt->area.y,
|
|
evt->area.width,
|
|
evt->area.height,
|
|
GDK_RGB_DITHER_NORMAL,
|
|
gdk_pixbuf_get_pixels (pixbuf) +
|
|
(evt->area.y * gdk_pixbuf_get_rowstride (pixbuf)) +
|
|
(evt->area.x * gdk_pixbuf_get_n_channels (pixbuf)),
|
|
gdk_pixbuf_get_rowstride (pixbuf));
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
int
|
|
configure_cb (GtkWidget *drawing_area, GdkEventConfigure *evt, gpointer data)
|
|
{
|
|
GdkPixbuf *pixbuf;
|
|
|
|
pixbuf = (GdkPixbuf *) g_object_get_data (G_OBJECT (drawing_area), "pixbuf");
|
|
|
|
g_print ("X:%d Y:%d\n", evt->width, evt->height);
|
|
if (evt->width != gdk_pixbuf_get_width (pixbuf) || evt->height != gdk_pixbuf_get_height (pixbuf))
|
|
{
|
|
GdkWindow *root;
|
|
GdkPixbuf *new_pixbuf;
|
|
|
|
root = gdk_get_default_root_window ();
|
|
new_pixbuf = gdk_pixbuf_get_from_drawable (NULL, root, NULL,
|
|
0, 0, 0, 0, evt->width, evt->height);
|
|
g_object_set_data (G_OBJECT (drawing_area), "pixbuf", new_pixbuf);
|
|
g_object_unref (pixbuf);
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
extern void pixbuf_init ();
|
|
|
|
int
|
|
main (int argc, char **argv)
|
|
{
|
|
GdkWindow *root;
|
|
GtkWidget *window;
|
|
GtkWidget *vbox;
|
|
GtkWidget *drawing_area;
|
|
GdkPixbuf *pixbuf;
|
|
|
|
pixbuf_init ();
|
|
|
|
gtk_init (&argc, &argv);
|
|
gdk_rgb_set_verbose (TRUE);
|
|
|
|
gtk_widget_set_default_colormap (gdk_rgb_get_colormap ());
|
|
|
|
root = gdk_get_default_root_window ();
|
|
pixbuf = gdk_pixbuf_get_from_drawable (NULL, root, NULL,
|
|
0, 0, 0, 0, 150, 160);
|
|
|
|
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
|
|
g_signal_connect (window, "delete_event",
|
|
G_CALLBACK (close_app), NULL);
|
|
g_signal_connect (window, "destroy",
|
|
G_CALLBACK (close_app), NULL);
|
|
|
|
vbox = gtk_vbox_new (FALSE, 0);
|
|
gtk_container_add (GTK_CONTAINER (window), vbox);
|
|
|
|
drawing_area = gtk_drawing_area_new ();
|
|
gtk_widget_set_size_request (GTK_WIDGET (drawing_area),
|
|
gdk_pixbuf_get_width (pixbuf),
|
|
gdk_pixbuf_get_height (pixbuf));
|
|
g_signal_connect (drawing_area, "expose_event",
|
|
G_CALLBACK (expose_cb), NULL);
|
|
|
|
g_signal_connect (drawing_area, "configure_event",
|
|
G_CALLBACK (configure_cb), NULL);
|
|
g_object_set_data (G_OBJECT (drawing_area), "pixbuf", pixbuf);
|
|
gtk_box_pack_start (GTK_BOX (vbox), drawing_area, TRUE, TRUE, 0);
|
|
|
|
gtk_widget_show_all (window);
|
|
gtk_main ();
|
|
return 0;
|
|
}
|