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#include <gdk/gdk.h>
#include <gtk/gtk.h>
#include <gdkx.h>
#include <cairo-xlib.h>
#include <stdio.h>
#include <errno.h>
#include <sys/wait.h>
#include <unistd.h>
#include <X11/extensions/shape.h>
#include <gdk-pixbuf/gdk-pixbuf.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/wait.h>
#include <signal.h>
#include <unistd.h>
#include <stdlib.h>
#include <fcntl.h>
#include <errno.h>
#include <locale.h>
#include "widgets.h"
#include "shadow.h"
static GdkPixbuf *
add_border (GdkPixbuf *pixbuf)
{
GdkPixbuf *retval;
retval = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8,
gdk_pixbuf_get_width (pixbuf) + 2,
gdk_pixbuf_get_height (pixbuf) + 2);
/* Fill with solid black */
gdk_pixbuf_fill (retval, 0xFF);
gdk_pixbuf_copy_area (pixbuf,
0, 0,
gdk_pixbuf_get_width (pixbuf),
gdk_pixbuf_get_height (pixbuf),
retval, 1, 1);
g_object_unref (pixbuf);
return retval;
}
static GMainLoop *loop;
static gboolean
quit_when_idle (gpointer loop)
{
g_main_loop_quit (loop);
return G_SOURCE_REMOVE;
}
static void
draw_paintable (GdkPaintable *paintable,
gpointer out_surface)
{
GtkSnapshot *snapshot;
GskRenderNode *node;
cairo_surface_t *surface;
cairo_t *cr;
snapshot = gtk_snapshot_new ();
gdk_paintable_snapshot (paintable,
snapshot,
gdk_paintable_get_intrinsic_width (paintable),
gdk_paintable_get_intrinsic_height (paintable));
node = gtk_snapshot_free_to_node (snapshot);
/* If the window literally draws nothing, we assume it hasn't been mapped yet and as such
* the invalidations were only side effects of resizes.
*/
if (node == NULL)
return;
surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
gdk_paintable_get_intrinsic_width (paintable),
gdk_paintable_get_intrinsic_height (paintable));
cr = cairo_create (surface);
gsk_render_node_draw (node, cr);
cairo_destroy (cr);
gsk_render_node_unref (node);
g_signal_handlers_disconnect_by_func (paintable, draw_paintable, out_surface);
*(cairo_surface_t **) out_surface = surface;
g_idle_add (quit_when_idle, loop);
}
static cairo_surface_t *
snapshot_widget (GtkWidget *widget)
{
GdkPaintable *paintable;
cairo_surface_t *surface;
g_assert (gtk_widget_get_realized (widget));
loop = g_main_loop_new (NULL, FALSE);
/* We wait until the widget is drawn for the first time.
*
* We also use an inhibit mechanism, to give module functions a chance
* to delay the snapshot.
*/
paintable = gtk_widget_paintable_new (widget);
g_signal_connect (paintable, "invalidate-contents", G_CALLBACK (draw_paintable), &surface);
g_main_loop_run (loop);
g_main_loop_unref (loop);
g_object_unref (paintable);
gtk_window_destroy (GTK_WINDOW (widget));
return surface;
}
int
main (int argc, char **argv)
{
GList *toplevels, *node;
gtk_init ();
toplevels = get_all_widgets ();
for (node = toplevels; node; node = node->next)
{
WidgetInfo *info;
char *filename;
cairo_surface_t *surface;
GdkPixbuf *pixbuf;
info = node->data;
gtk_widget_show (info->window);
if (info->no_focus)
{
gtk_root_set_focus (GTK_ROOT (info->window), NULL);
gdk_clipboard_set_content (gdk_display_get_primary_clipboard (gdk_display_get_default ()),
NULL);
}
//while (1) g_main_context_iteration (NULL, 1);
surface = snapshot_widget (info->window);
pixbuf = gdk_pixbuf_get_from_surface (surface, 0, 0,
cairo_image_surface_get_width (surface),
cairo_image_surface_get_height (surface));
if (!info->include_decorations)
pixbuf = add_border (pixbuf);
pixbuf = add_shadow (pixbuf);
filename = g_strdup_printf ("./%s.png", info->name);
gdk_pixbuf_save (pixbuf, filename, "png", NULL, NULL);
g_free (filename);
g_object_unref (pixbuf);
cairo_surface_destroy (surface);
}
return 0;
}
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