Pass also scale and offset to createScreenCompatibleDeviceUsingBuffer()

Pass on to VirtualDevice where used to set the MapMode of the device
appropriately. Adapt DocumentLoader, use to scale the page rendering
to exactly fit the virtual device.

Change-Id: I4b0bc67e12114d3d9d493ff1aca2ef5d2cc78912

1 files changed, 8 insertions, 9 deletions

diff --git a/vcl/source/gdi/virdev.cxx b/vcl/source/gdi/virdev.cxx
index 93aec4fd94e1..2c67355888f2 100644
--- a/vcl/source/gdi/virdev.cxx
+++ b/vcl/source/gdi/virdev.cxx
@@ -368,16 +368,15 @@ sal_Bool VirtualDevice::SetOutputSizePixel( const Size& rNewSize, sal_Bool bEras
     return ImplSetOutputSizePixel( rNewSize, bErase, basebmp::RawMemorySharedArray() );
 }
 
-sal_Bool VirtualDevice::SetOutputSizePixelAndBuffer( const Size& rNewSize, const basebmp::RawMemorySharedArray &pBuffer )
+sal_Bool VirtualDevice::SetOutputSizePixelScaleOffsetAndBuffer( const Size& rNewSize, const Fraction& rScale, const Point& rNewOffset, const basebmp::RawMemorySharedArray &pBuffer )
 {
-    // Is this the place to put in scaling and offsetting, passed in as parameters from createScreenCompatibleDeviceUsingBuffer?
-    // Bogus test just to see that something happens:
-    // if (pBuffer) {
-    //    MapMode mm = GetMapMode();
-    //    mm.SetScaleX(Fraction(4, 1));
-    //    mm.SetScaleY(Fraction(4, 1));
-    //    SetMapMode(mm);
-    //}
+    if (pBuffer) {
+        MapMode mm = GetMapMode();
+        mm.SetOrigin( rNewOffset );
+        mm.SetScaleX( rScale );
+        mm.SetScaleY( rScale );
+        SetMapMode( mm );
+    }
     return ImplSetOutputSizePixel( rNewSize, sal_True, pBuffer);
 }