SCI32: Added sanity checks to kAddScreenItem and kUpdateScreenItem, so that they don't try and draw cels outside the screen

svn-id: r46767

1 files changed, 8 insertions, 0 deletions

diff --git a/engines/sci/gui/gui.cpp b/engines/sci/gui/gui.cpp
index 33d124cc54..fcbe4f9a05 100644
--- a/engines/sci/gui/gui.cpp
+++ b/engines/sci/gui/gui.cpp
@@ -823,6 +823,14 @@ void SciGui::portraitShow(Common::String resourceName, Common::Point position, u
 void SciGui::portraitUnload(uint16 portraitId) {
 }
 
+uint16 SciGui::getScreenWidth() {
+	return _screen->_displayWidth;
+}
+
+uint16 SciGui::getScreenHeight() {
+	return _screen->_displayHeight;
+}
+
 bool SciGui::debugUndither(bool flag) {
 	_screen->unditherSetState(flag);
 	return false;