From 47f1c1ee40b8185001b047c2a7bc2ca58e40ab0f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vin=C3=ADcius=20dos=20Santos=20Oliveira?=
 <vini.ipsmaker@gmail.com>
Date: Thu, 19 Sep 2013 18:14:28 -0300
Subject: Show warning when input image of Trace Pixel Art dialog is too large.

(bzr r12546)
---
 src/ui/dialog/pixelartdialog.cpp | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'src')

diff --git a/src/ui/dialog/pixelartdialog.cpp b/src/ui/dialog/pixelartdialog.cpp
index 24c1ec37f..e07cbccb5 100644
--- a/src/ui/dialog/pixelartdialog.cpp
+++ b/src/ui/dialog/pixelartdialog.cpp
@@ -19,6 +19,7 @@
 #include "pixelartdialog.h"
 #include <gtkmm/radiobutton.h>
 #include <gtkmm/stock.h>
+#include <gtkmm/messagedialog.h>
 
 #include <gtk/gtk.h> //for GTK_RESPONSE* types
 #include <glibmm/i18n.h>
@@ -363,6 +364,17 @@ void PixelArtDialogImpl::processLibdepixelize(SPImage *img)
     Glib::RefPtr<Gdk::Pixbuf> pixbuf
         = Glib::wrap(img->pixbuf->getPixbufRaw(), true);
 
+    if ( pixbuf->get_width() > 256 || pixbuf->get_height() > 256 ) {
+        char *msg = _("Image looks too big. Process may take a while and is"
+                      " wise to save your document before continue."
+                      "\n\nContinue the procedure (without saving)?");
+        Gtk::MessageDialog dialog(msg, false, Gtk::MESSAGE_WARNING,
+                                  Gtk::BUTTONS_OK_CANCEL, true);
+
+        if ( dialog.run() != Gtk::RESPONSE_OK )
+            return;
+    }
+
     if ( voronoiRadioButton.get_active() ) {
         out = Tracer::Kopf2011::to_voronoi(pixbuf, options());
     } else {
-- 
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