loplugin:unocast (canvas::ParametricPolyPolygon)

(See the upcoming commit introducing that loplugin:unocast on why such
dynamic_casts from UNO types are dangerous.)

Change-Id: I965d6ba17decda1fa055fb548aa9085d2e786bc0
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/144768
Tested-by: Jenkins
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>

4 files changed, 21 insertions, 3 deletions

diff --git a/canvas/inc/parametricpolypolygon.hxx b/canvas/inc/parametricpolypolygon.hxx
index 474bd5da247a..ca2e1cda348e 100644
--- a/canvas/inc/parametricpolypolygon.hxx
+++ b/canvas/inc/parametricpolypolygon.hxx
@@ -20,6 +20,7 @@
 #pragma once
 
 #include <com/sun/star/lang/XServiceInfo.hpp>
+#include <com/sun/star/lang/XUnoTunnel.hpp>
 #include <com/sun/star/rendering/XParametricPolyPolygon2D.hpp>
 #include <comphelper/compbase.hxx>
 #include <basegfx/polygon/b2dpolygon.hxx>
@@ -36,7 +37,8 @@ namespace com::sun::star::rendering { class XGraphicDevice; }
 namespace canvas
 {
     typedef comphelper::WeakComponentImplHelper< css::rendering::XParametricPolyPolygon2D,
-                                           css::lang::XServiceInfo > ParametricPolyPolygon_Base;
+                                           css::lang::XServiceInfo,
+                                           css::lang::XUnoTunnel > ParametricPolyPolygon_Base;
 
     class CANVASTOOLS_DLLPUBLIC ParametricPolyPolygon final : public ParametricPolyPolygon_Base
     {
@@ -104,6 +106,9 @@ namespace canvas
         virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) override;
         virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames(  ) override;
 
+        sal_Int64 SAL_CALL getSomething(css::uno::Sequence<sal_Int8> const & aIdentifier) override;
+        static css::uno::Sequence<sal_Int8> const & getUnoTunnelId();
+
         /// Query all defining values of this object atomically
         Values getValues() const;
 
diff --git a/canvas/source/opengl/ogl_canvashelper.cxx b/canvas/source/opengl/ogl_canvashelper.cxx
index 1b84879b005c..28337013e965 100644
--- a/canvas/source/opengl/ogl_canvashelper.cxx
+++ b/canvas/source/opengl/ogl_canvashelper.cxx
@@ -21,6 +21,7 @@
 #include <rtl/crc.h>
 #include <rtl/math.hxx>
 #include <comphelper/diagnose_ex.hxx>
+#include <comphelper/servicehelper.hxx>
 #include <vcl/font.hxx>
 #include <vcl/kernarray.hxx>
 #include <vcl/metric.hxx>
@@ -553,7 +554,7 @@ namespace oglcanvas
                 // try to cast XParametricPolyPolygon2D reference to
                 // our implementation class.
                 ::canvas::ParametricPolyPolygon* pGradient =
-                      dynamic_cast< ::canvas::ParametricPolyPolygon* >( textures[0].Gradient.get() );
+                      comphelper::getFromUnoTunnel< ::canvas::ParametricPolyPolygon >( textures[0].Gradient );
 
                 if( pGradient )
                 {
diff --git a/canvas/source/tools/parametricpolypolygon.cxx b/canvas/source/tools/parametricpolypolygon.cxx
index acad3b58b7d6..00b6c4da2850 100644
--- a/canvas/source/tools/parametricpolypolygon.cxx
+++ b/canvas/source/tools/parametricpolypolygon.cxx
@@ -22,6 +22,7 @@
 #include <basegfx/point/b2dpoint.hxx>
 #include <basegfx/polygon/b2dpolygontools.hxx>
 #include <basegfx/range/b2drectangle.hxx>
+#include <comphelper/servicehelper.hxx>
 #include <cppuhelper/supportsservice.hxx>
 
 #include <com/sun/star/rendering/XGraphicDevice.hpp>
@@ -194,6 +195,16 @@ namespace canvas
         return { "com.sun.star.rendering.ParametricPolyPolygon" };
     }
 
+    sal_Int64 ParametricPolyPolygon::getSomething(css::uno::Sequence<sal_Int8> const & aIdentifier)
+    {
+        return comphelper::getSomethingImpl(aIdentifier, this);
+    }
+
+    css::uno::Sequence<sal_Int8> const & ParametricPolyPolygon::getUnoTunnelId() {
+        static comphelper::UnoIdInit const id;
+        return id.getSeq();
+    }
+
     ParametricPolyPolygon::~ParametricPolyPolygon()
     {
     }
diff --git a/canvas/source/vcl/canvashelper_texturefill.cxx b/canvas/source/vcl/canvashelper_texturefill.cxx
index 211592685204..02f9f733bdd3 100644
--- a/canvas/source/vcl/canvashelper_texturefill.cxx
+++ b/canvas/source/vcl/canvashelper_texturefill.cxx
@@ -35,6 +35,7 @@
 #include <com/sun/star/rendering/TexturingMode.hpp>
 #include <rtl/math.hxx>
 #include <comphelper/diagnose_ex.hxx>
+#include <comphelper/servicehelper.hxx>
 #include <tools/poly.hxx>
 #include <vcl/bitmapex.hxx>
 #include <vcl/canvastools.hxx>
@@ -637,7 +638,7 @@ namespace vclcanvas
                 // try to cast XParametricPolyPolygon2D reference to
                 // our implementation class.
                 ::canvas::ParametricPolyPolygon* pGradient =
-                      dynamic_cast< ::canvas::ParametricPolyPolygon* >( textures[0].Gradient.get() );
+                      comphelper::getFromUnoTunnel< ::canvas::ParametricPolyPolygon >( textures[0].Gradient );
 
                 if( pGradient && pGradient->getValues().maColors.hasElements() )
                 {