canBeRotated added to ask if native rotation can be performed.

The canBeRotated method was added to determine if a native rotation
can be performed for a graphics or not.

Change-Id: I026cf6fe4baa4d964d0a2c2b6e36c3b15aa91549

1 files changed, 20 insertions, 0 deletions

diff --git a/vcl/source/filter/GraphicNativeTransform.cxx b/vcl/source/filter/GraphicNativeTransform.cxx
index d6790031c3f0..cf24d6ab018a 100644
--- a/vcl/source/filter/GraphicNativeTransform.cxx
+++ b/vcl/source/filter/GraphicNativeTransform.cxx
@@ -35,6 +35,26 @@ GraphicNativeTransform::GraphicNativeTransform(Graphic& rGraphic) :
 GraphicNativeTransform::~GraphicNativeTransform()
 {}
 
+bool GraphicNativeTransform::canBeRotated()
+{
+    GfxLink aLink = mrGraphic.GetLink();
+
+    // Don't allow rotation on animations for now
+    if (mrGraphic.IsAnimated())
+    {
+        return false;
+    }
+
+    if (   aLink.GetType() == GFX_LINK_TYPE_NATIVE_JPG
+        || aLink.GetType() == GFX_LINK_TYPE_NATIVE_PNG
+        || aLink.GetType() == GFX_LINK_TYPE_NATIVE_GIF)
+    {
+        return true;
+    }
+
+    return false;
+}
+
 bool GraphicNativeTransform::rotate(sal_uInt16 aInputRotation)
 {
     // Rotation can be between 0 and 3600