[Kst] extragear/graphics/kst/kst

[George Staikos]

SVN commit 474122 by staikos:

add a new helper for working with back buffers


 M  +5 -0      kstbackbuffer.cpp  
 M  +1 -0      kstbackbuffer.h  


--- trunk/extragear/graphics/kst/kst/kstbackbuffer.cpp #474121:474122
@@ -36,4 +36,9 @@
 }
 
 
+void KstBackBuffer::paintInto(QPainter& p, const QRect& geom, const QPoint& from) {
+  p.drawPixmap(geom.left(), geom.top(), _buffer, from.x(), from.y(), geom.width(), geom.height());
+}
+
+
 // vim: ts=2 sw=2 et
--- trunk/extragear/graphics/kst/kst/kstbackbuffer.h #474121:474122
@@ -29,6 +29,7 @@
     QSize size() const { return _buffer.size(); }
     QPixmap& buffer();
     void paintInto(QPainter& p, const QRect& geom);
+    void paintInto(QPainter& p, const QRect& geom, const QPoint& from);
 
   private:
     QPixmap _buffer;