Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 93 insertions, 0 deletions

diff --git a/canvas/source/vcl/cachedbitmap.cxx b/canvas/source/vcl/cachedbitmap.cxx
new file mode 100644
index 000000000..2d44133a7
--- /dev/null
+++ b/canvas/source/vcl/cachedbitmap.cxx
@@ -0,0 +1,93 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <sal/config.h>
+
+#include <com/sun/star/rendering/XCanvas.hpp>
+#include <com/sun/star/rendering/RepaintResult.hpp>
+#include <utility>
+#include <tools/diagnose_ex.h>
+
+#include "cachedbitmap.hxx"
+#include "repainttarget.hxx"
+
+
+using namespace ::com::sun::star;
+
+namespace vclcanvas
+{
+    CachedBitmap::CachedBitmap( GraphicObjectSharedPtr                      xGraphicObject,
+                                const ::Point&                              rPoint,
+                                const ::Size&                               rSize,
+                                const GraphicAttr&                          rAttr,
+                                const rendering::ViewState&                 rUsedViewState,
+                                rendering::RenderState                      aUsedRenderState,
+                                const uno::Reference< rendering::XCanvas >& rTarget ) :
+        CachedPrimitiveBase( rUsedViewState, rTarget ),
+        mpGraphicObject(std::move( xGraphicObject )),
+        maRenderState(std::move(aUsedRenderState)),
+        maPoint( rPoint ),
+        maSize( rSize ),
+        maAttributes( rAttr )
+    {
+    }
+
+    void SAL_CALL CachedBitmap::disposing()
+    {
+        ::osl::MutexGuard aGuard( m_aMutex );
+
+        mpGraphicObject.reset();
+
+        CachedPrimitiveBase::disposing();
+    }
+
+    ::sal_Int8 CachedBitmap::doRedraw( const rendering::ViewState&                  rNewState,
+                                       const rendering::ViewState&                  rOldState,
+                                       const uno::Reference< rendering::XCanvas >&  rTargetCanvas,
+                                       bool                                         bSameViewTransform )
+    {
+        ENSURE_OR_THROW( bSameViewTransform,
+                         "CachedBitmap::doRedraw(): base called with changed view transform "
+                         "(told otherwise during construction)" );
+
+        // TODO(P1): Could adapt to modified clips as well
+        if( rNewState.Clip != rOldState.Clip )
+            return rendering::RepaintResult::FAILED;
+
+        RepaintTarget* pTarget = dynamic_cast< RepaintTarget* >(rTargetCanvas.get());
+
+        ENSURE_OR_THROW( pTarget,
+                          "CachedBitmap::redraw(): cannot cast target to RepaintTarget" );
+
+        if( !pTarget->repaint( mpGraphicObject,
+                               rNewState,
+                               maRenderState,
+                               maPoint,
+                               maSize,
+                               maAttributes ) )
+        {
+            // target failed to repaint
+            return rendering::RepaintResult::FAILED;
+        }
+
+        return rendering::RepaintResult::REDRAWN;
+    }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */