Fixed warning messages when starting Chalk. This resolves bug 1976.

chalk/plugins/tools/defaulttools/kis_tool_brush.cc

@@ -154,7 +154,7 @@ TQWidget* KisToolBrush::createOptionWidget(TQWidget* parent)
     m_chkDirect->setChecked(true);
     connect(m_chkDirect, TQT_SIGNAL(stateChanged(int)), this, TQT_SLOT(slotSetPaintingMode(int)));
     
-    m_optionLayout = new TQGridLayout(widget, 3, 2, 0, 6);
+    m_optionLayout = new TQGridLayout(NULL, 3, 2, 0, 6);
     TQ_CHECK_PTR(m_optionLayout);
 
     super::addOptionWidgetLayout(m_optionLayout);

chalk/ui/kis_view.cc

@@ -945,7 +945,7 @@ void KisView::updateTQPaintDeviceCanvas(const TQRect& imageRect)
 
         TQPainter gc;
 
-        if (gc.begin(&m_canvasPixmap)) {
+        if (!m_canvasPixmap.isNull() && gc.begin(&m_canvasPixmap)) {
 
             KisImageSP img = currentImg();