weld GalleryFilesPage

Change-Id: I5fa399144fb12bb19c3b88bf99f99dad6a64e052
Reviewed-on: https://gerrit.libreoffice.org/64188
Tested-by: Jenkins
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>

1 files changed, 84 insertions, 2 deletions

diff --git a/svx/source/gallery2/galctrl.cxx b/svx/source/gallery2/galctrl.cxx
index af00c3fd15e0..6e68f49cb644 100644
--- a/svx/source/gallery2/galctrl.cxx
+++ b/svx/source/gallery2/galctrl.cxx
@@ -51,8 +51,6 @@ GalleryPreview::GalleryPreview(vcl::Window* pParent, WinBits nStyle, GalleryThem
     InitSettings();
 }
 
-VCL_BUILDER_FACTORY_CONSTRUCTOR(GalleryPreview, WB_TABSTOP)
-
 Size GalleryPreview::GetOptimalSize() const
 {
     return LogicToPixel(Size(70, 88), MapMode(MapUnit::MapAppFont));
@@ -257,6 +255,90 @@ void GalleryPreview::PreviewMedia( const INetURLObject& rURL )
 #endif
 }
 
+SvxGalleryPreview::SvxGalleryPreview()
+{
+}
+
+void SvxGalleryPreview::SetDrawingArea(weld::DrawingArea* pDrawingArea)
+{
+    CustomWidgetController::SetDrawingArea(pDrawingArea);
+    Size aSize(pDrawingArea->get_ref_device().LogicToPixel(Size(70, 88), MapMode(MapUnit::MapAppFont)));
+    pDrawingArea->set_size_request(aSize.Width(), aSize.Height());
+    pDrawingArea->set_help_id(HID_GALLERY_WINDOW);
+}
+
+bool SvxGalleryPreview::SetGraphic( const INetURLObject& _aURL )
+{
+    bool bRet = true;
+    Graphic aGraphic;
+#if HAVE_FEATURE_AVMEDIA
+    if( ::avmedia::MediaWindow::isMediaURL( _aURL.GetMainURL( INetURLObject::DecodeMechanism::Unambiguous ), "" ) )
+    {
+        aGraphic = BitmapEx(RID_SVXBMP_GALLERY_MEDIA);
+    }
+    else
+#endif
+    {
+        GraphicFilter& rFilter = GraphicFilter::GetGraphicFilter();
+        GalleryProgress aProgress( &rFilter );
+        if( rFilter.ImportGraphic( aGraphic, _aURL ) )
+            bRet = false;
+    }
+
+    SetGraphic( aGraphic );
+    Invalidate();
+    return bRet;
+}
+
+bool SvxGalleryPreview::ImplGetGraphicCenterRect( const Graphic& rGraphic, tools::Rectangle& rResultRect ) const
+{
+    const Size  aWinSize(GetOutputSizePixel());
+    Size        aNewSize(GetDrawingArea()->get_ref_device().LogicToPixel(rGraphic.GetPrefSize(), rGraphic.GetPrefMapMode()));
+    bool        bRet = false;
+
+    if( aNewSize.Width() && aNewSize.Height() )
+    {
+        // scale to fit window
+        const double fGrfWH = static_cast<double>(aNewSize.Width()) / aNewSize.Height();
+        const double fWinWH = static_cast<double>(aWinSize.Width()) / aWinSize.Height();
+
+        if ( fGrfWH < fWinWH )
+        {
+            aNewSize.setWidth( static_cast<long>( aWinSize.Height() * fGrfWH ) );
+            aNewSize.setHeight( aWinSize.Height() );
+        }
+        else
+        {
+            aNewSize.setWidth( aWinSize.Width() );
+            aNewSize.setHeight( static_cast<long>( aWinSize.Width() / fGrfWH) );
+        }
+
+        const Point aNewPos( ( aWinSize.Width()  - aNewSize.Width() ) >> 1,
+                             ( aWinSize.Height() - aNewSize.Height() ) >> 1 );
+
+        rResultRect = tools::Rectangle( aNewPos, aNewSize );
+        bRet = true;
+    }
+
+    return bRet;
+}
+
+void SvxGalleryPreview::Paint(vcl::RenderContext& rRenderContext, const tools::Rectangle&)
+{
+    rRenderContext.SetBackground(Wallpaper(GALLERY_BG_COLOR));
+
+    if (ImplGetGraphicCenterRect(aGraphicObj.GetGraphic(), aPreviewRect))
+    {
+        const Point aPos( aPreviewRect.TopLeft() );
+        const Size  aSize( aPreviewRect.GetSize() );
+
+        if( aGraphicObj.IsAnimated() )
+            aGraphicObj.StartAnimation(&rRenderContext, aPos, aSize);
+        else
+            aGraphicObj.Draw(&rRenderContext, aPos, aSize);
+    }
+}
+
 static void drawTransparenceBackground(vcl::RenderContext& rOut, const Point& rPos, const Size& rSize)
 {