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/*
* Copyright (C) 2007, Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include <gdk/gdkx.h>
#include <gtk/gtkwindow.h>
#include <X11/extensions/XShm.h>
#include "sugar-preview.h"
static void sugar_preview_class_init (SugarPreviewClass *menu_class);
static void sugar_preview_init (SugarPreview *menu);
G_DEFINE_TYPE(SugarPreview, sugar_preview, G_TYPE_OBJECT)
void
sugar_preview_set_size(SugarPreview *preview, int width, int height)
{
preview->width = width;
preview->height = height;
}
GdkPixbuf *
sugar_preview_get_pixbuf(SugarPreview *preview)
{
if (preview->pixbuf != NULL) {
return preview->pixbuf;
}
if (preview->image == NULL) {
return NULL;
}
preview->pixbuf = gdk_pixbuf_get_from_image(NULL, preview->image, NULL,
0, 0, 0, 0,
preview->image->width,
preview->image->height);
g_object_unref(G_OBJECT(preview->image));
preview->image = NULL;
return preview->pixbuf;
}
void
sugar_preview_clear(SugarPreview *preview)
{
if (preview->image != NULL) {
g_object_unref(G_OBJECT(preview->image));
preview->image = NULL;
}
if (preview->pixbuf != NULL) {
g_object_unref(G_OBJECT(preview->pixbuf));
preview->pixbuf = NULL;
}
}
void
sugar_preview_take_screenshot(SugarPreview *preview, GdkDrawable *drawable)
{
GdkScreen *screen;
GdkVisual *visual;
GdkColormap *colormap;
gint width, height;
sugar_preview_clear(preview);
gdk_drawable_get_size(drawable, &width, &height);
screen = gdk_drawable_get_screen(drawable);
visual = gdk_drawable_get_visual(drawable);
colormap = gdk_drawable_get_colormap(drawable);
preview->image = gdk_image_new(GDK_IMAGE_SHARED, visual, width, height);
gdk_image_set_colormap(preview->image, colormap);
XShmGetImage(GDK_SCREEN_XDISPLAY(screen),
GDK_DRAWABLE_XID(drawable),
gdk_x11_image_get_ximage(preview->image),
0, 0, AllPlanes);
}
static void
sugar_preview_dispose(GObject *object)
{
SugarPreview *preview = SUGAR_PREVIEW(object);
sugar_preview_clear(preview);
}
static void
sugar_preview_class_init(SugarPreviewClass *preview_class)
{
GObjectClass *g_object_class = G_OBJECT_CLASS (preview_class);
g_object_class->dispose = sugar_preview_dispose;
}
static void
sugar_preview_init(SugarPreview *preview)
{
preview->image = NULL;
preview->pixbuf = NULL;
}
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