misc

Change-Id: I24736c4bd05644ed61e6df50f2267f6a2cd2f7f3

3 files changed, 33 insertions, 0 deletions

diff --git a/slideshow/source/engine/slide/layermanager.cxx b/slideshow/source/engine/slide/layermanager.cxx
index 91bdb7bb81ac..bbe45787836f 100644
--- a/slideshow/source/engine/slide/layermanager.cxx
+++ b/slideshow/source/engine/slide/layermanager.cxx
@@ -636,6 +636,11 @@ namespace slideshow
                     OSL_FAIL( "BitmapView::setPriority(): This method is not supposed to be called!" );
                 }
 
+                virtual ::com::sun::star::geometry::IntegerSize2D getTranslationOffset() const
+                {
+                    return geometry::IntegerSize2D(0,0);
+                }
+
                 virtual ::basegfx::B2DHomMatrix getTransformation() const
                 {
                     return mpCanvas->getTransformation();
diff --git a/slideshow/source/engine/slideview.cxx b/slideshow/source/engine/slideview.cxx
index 250de4e9efd3..db2e471e855c 100644
--- a/slideshow/source/engine/slideview.cxx
+++ b/slideshow/source/engine/slideview.cxx
@@ -489,6 +489,25 @@ public:
         }
     }
 
+    virtual ::com::sun::star::geometry::IntegerSize2D getTranslationOffset() const
+    {
+        std::cerr << "slideshow/source/engine/slideview.cxx:522" << std::endl;
+        basegfx::B2DRectangle aTmpRect;
+        canvas::tools::calcTransformedRectBounds( aTmpRect,
+                                                  maLayerBounds,
+                                                  maTransformation );
+        geometry::IntegerSize2D offset(0, 0);
+
+        // Add translation according to the origin of aTmpRect.  Ignore the
+        // translation when aTmpRect was not properly initialized.
+        if ( ! aTmpRect.isEmpty())
+        {
+            offset.Width  = basegfx::fround(aTmpRect.getMinX());
+            offset.Height = basegfx::fround(aTmpRect.getMinY());
+        }
+        return offset;
+    }
+
 private:
     // ViewLayer interface
     // ----------------------------------------------
@@ -700,6 +719,7 @@ private:
     virtual cppcanvas::CustomSpriteSharedPtr createSprite( const ::basegfx::B2DSize& rSpriteSizePixel,
                                                            double                    nPriority ) const;
     virtual void setPriority( const basegfx::B1DRange& rRange );
+    virtual geometry::IntegerSize2D getTranslationOffset() const;
     virtual ::basegfx::B2DHomMatrix getTransformation() const;
     virtual basegfx::B2DHomMatrix getSpriteTransformation() const;
     virtual void setClip( const ::basegfx::B2DPolyPolygon& rClip );
@@ -960,6 +980,11 @@ basegfx::B2DHomMatrix SlideView::getTransformation() const
     return maViewTransform * aMatrix;
 }
 
+geometry::IntegerSize2D SlideView::getTranslationOffset() const
+{
+    return mxView->getTranslationOffset();
+}
+
 basegfx::B2DHomMatrix SlideView::getSpriteTransformation() const
 {
     return getTransformation();
diff --git a/slideshow/source/inc/viewlayer.hxx b/slideshow/source/inc/viewlayer.hxx
index bddb2102eaf8..f47f18aaa96b 100644
--- a/slideshow/source/inc/viewlayer.hxx
+++ b/slideshow/source/inc/viewlayer.hxx
@@ -22,6 +22,7 @@
 
 #include <sal/config.h>
 #include <boost/shared_ptr.hpp>
+#include <com/sun/star/geometry/IntegerSize2D.hpp>
 
 namespace basegfx
 {
@@ -128,6 +129,8 @@ namespace slideshow
             */
             virtual basegfx::B2DHomMatrix getTransformation() const = 0;
 
+            virtual ::com::sun::star::geometry::IntegerSize2D getTranslationOffset() const = 0;
+
             /** Get the overall view transformation.
 
                 Same transformation as with getTransformation(), only