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+/* -*- 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 <basegfx/matrix/b2dhommatrix.hxx>
+#include <basegfx/utils/canvastools.hxx>
+#include <com/sun/star/rendering/RepaintResult.hpp>
+#include <cppuhelper/supportsservice.hxx>
+
+#include <base/cachedprimitivebase.hxx>
+#include <utility>
+
+
+using namespace ::com::sun::star;
+
+namespace canvas
+{
+ CachedPrimitiveBase::CachedPrimitiveBase( rendering::ViewState aUsedViewState,
+ uno::Reference< rendering::XCanvas > xTarget ) :
+ CachedPrimitiveBase_Base( m_aMutex ),
+ maUsedViewState(std::move( aUsedViewState )),
+ mxTarget(std::move( xTarget ))
+ {
+ }
+
+ CachedPrimitiveBase::~CachedPrimitiveBase()
+ {
+ }
+
+ void SAL_CALL CachedPrimitiveBase::disposing()
+ {
+ ::osl::MutexGuard aGuard( m_aMutex );
+
+ maUsedViewState.Clip.clear();
+ mxTarget.clear();
+ }
+
+ sal_Int8 SAL_CALL CachedPrimitiveBase::redraw( const rendering::ViewState& aState )
+ {
+ ::basegfx::B2DHomMatrix aUsedTransformation;
+ ::basegfx::B2DHomMatrix aNewTransformation;
+
+ ::basegfx::unotools::homMatrixFromAffineMatrix( aUsedTransformation,
+ maUsedViewState.AffineTransform );
+ ::basegfx::unotools::homMatrixFromAffineMatrix( aNewTransformation,
+ aState.AffineTransform );
+
+ const bool bSameViewTransforms( aUsedTransformation == aNewTransformation );
+
+ if( !bSameViewTransforms )
+ {
+ // differing transformations, don't try to draft the
+ // output, just plain fail here.
+ return rendering::RepaintResult::FAILED;
+ }
+
+ return doRedraw( aState,
+ maUsedViewState,
+ mxTarget,
+ bSameViewTransforms );
+ }
+
+ OUString SAL_CALL CachedPrimitiveBase::getImplementationName( )
+ {
+ return "canvas::CachedPrimitiveBase";
+ }
+
+ sal_Bool SAL_CALL CachedPrimitiveBase::supportsService( const OUString& ServiceName )
+ {
+ return cppu::supportsService(this, ServiceName);
+ }
+
+ uno::Sequence< OUString > SAL_CALL CachedPrimitiveBase::getSupportedServiceNames( )
+ {
+ return { "com.sun.star.rendering.CachedBitmap" };
+ }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */