cairo/canvas: create instances with uno constructors

See tdf#74608 for motivation

Change-Id: I02411b23136051bfd0cd02d5378297f99127017f
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/98189
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

1 files changed, 12 insertions, 1 deletions

diff --git a/canvas/source/cairo/cairo_canvas.cxx b/canvas/source/cairo/cairo_canvas.cxx
index 3f6dcaf3d2f9..0b7790e7b94b 100644
--- a/canvas/source/cairo/cairo_canvas.cxx
+++ b/canvas/source/cairo/cairo_canvas.cxx
@@ -113,7 +113,7 @@ namespace cairocanvas
 
     OUString SAL_CALL Canvas::getServiceName(  )
     {
-        return CANVAS_SERVICE_NAME;
+        return "com.sun.star.rendering.Canvas.Cairo";
     }
 
     bool Canvas::repaint( const SurfaceSharedPtr&       pSurface,
@@ -159,4 +159,15 @@ namespace cairocanvas
     }
 }
 
+extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
+com_sun_star_comp_rendering_Canvas_Cairo_get_implementation(
+    css::uno::XComponentContext* context, css::uno::Sequence<css::uno::Any> const& args)
+{
+    auto p = new cairocanvas::Canvas(args, context);
+    p->acquire();
+    p->initialize();
+    return static_cast<cppu::OWeakObject*>(p);
+}
+
+
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */