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<page xmlns="http://projectmallard.org/1.0/" xmlns:its="http://www.w3.org/2005/11/its" xmlns:xi="http://www.w3.org/2001/XInclude" type="guide" style="task" id="image.c" xml:lang="de">
<info>
<title type="text">Image (C)</title>
<link type="guide" xref="c#display-widgets"/>
<revision version="0.1" date="2012-05-23" status="draft"/>
<credit type="author copyright">
<name>Monica Kochofar</name>
<email its:translate="no">monicakochofar@gmail.com</email>
<years>2012</years>
</credit>
<desc>A widget displaying an image</desc>
<mal:credit xmlns:mal="http://projectmallard.org/1.0/" type="translator copyright">
<mal:name>Mario Blättermann</mal:name>
<mal:email>mario.blaettermann@gmail.com</mal:email>
<mal:years>2011, 2013</mal:years>
</mal:credit>
</info>
<title>Bild</title>
<media type="image" mime="image/png" src="media/image.png"/>
<p>This GtkApplication displays an image file from the current directory.</p>
<note><p>
If the image file isn't loaded successfully, the image will contain a "broken image" icon. The <file>filename.png</file> needs to be in the current directory for this code to work. Use your favorite picture!
</p></note>
<code mime="text/x-csrc" style="numbered">#include <gtk/gtk.h>
static void
activate (GtkApplication *app,
gpointer user_data)
{
GtkWidget *window;
GtkWidget *image;
/*Create a window with a title and a default size*/
window = gtk_application_window_new (app);
gtk_window_set_title (GTK_WINDOW (window), "Welcome to GNOME");
gtk_window_set_default_size (GTK_WINDOW (window), 300, 300);
image = gtk_image_new_from_file ("gnome-image.png");
gtk_container_add (GTK_CONTAINER (window), GTK_WIDGET (image));
gtk_widget_show_all (GTK_WIDGET (window));
}
int
main (int argc, char **argv)
{
GtkApplication *app;
int status;
app = gtk_application_new ("org.gtk.example",G_APPLICATION_FLAGS_NONE);
g_signal_connect (app, "activate", G_CALLBACK (activate), NULL);
status = g_application_run (G_APPLICATION (app), argc, argv);
g_object_unref (app);
return status;
}
</code>
<p>
In this sample we used the following:
</p>
<list>
<item><p><link href="http://developer.gnome.org/gtk3/3.4/GtkApplication.html">GtkApplication</link></p></item>
<item><p><link href="http://developer.gnome.org/gtk3/stable/GtkWindow.html">GtkWindow</link></p></item>
<item><p><link href="http://developer.gnome.org/gtk3/stable/GtkImage.html">GtkImage</link></p></item>
</list>
</page>
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