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-rw-r--r--cppcanvas/source/wrapper/implcanvas.cxx115
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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 <basegfx/matrix/b2dhommatrix.hxx>
+#include <basegfx/polygon/b2dpolypolygon.hxx>
+#include <basegfx/utils/canvastools.hxx>
+
+#include <com/sun/star/rendering/XCanvas.hpp>
+
+#include <canvas/canvastools.hxx>
+#include <utility>
+
+#include "implcanvas.hxx"
+
+
+using namespace ::com::sun::star;
+
+namespace cppcanvas::internal
+{
+
+ ImplCanvas::ImplCanvas( uno::Reference< rendering::XCanvas > xCanvas ) :
+ mxCanvas(std::move( xCanvas ))
+ {
+ OSL_ENSURE( mxCanvas.is(), "Canvas::Canvas() invalid XCanvas" );
+
+ ::canvas::tools::initViewState( maViewState );
+ }
+
+ ImplCanvas::~ImplCanvas()
+ {
+ }
+
+ void ImplCanvas::setTransformation( const ::basegfx::B2DHomMatrix& rMatrix )
+ {
+ ::canvas::tools::setViewStateTransform( maViewState, rMatrix );
+ }
+
+ ::basegfx::B2DHomMatrix ImplCanvas::getTransformation() const
+ {
+ ::basegfx::B2DHomMatrix aMatrix;
+ return ::canvas::tools::getViewStateTransform( aMatrix,
+ maViewState );
+ }
+
+ void ImplCanvas::setClip( const ::basegfx::B2DPolyPolygon& rClipPoly )
+ {
+ // TODO(T3): not thread-safe. B2DPolyPolygon employs copy-on-write
+ maClipPolyPolygon = rClipPoly;
+ maViewState.Clip.clear();
+ }
+
+ void ImplCanvas::setClip()
+ {
+ maClipPolyPolygon.reset();
+ maViewState.Clip.clear();
+ }
+
+ ::basegfx::B2DPolyPolygon const* ImplCanvas::getClip() const
+ {
+ return !maClipPolyPolygon ? nullptr : &(*maClipPolyPolygon);
+ }
+
+ CanvasSharedPtr ImplCanvas::clone() const
+ {
+ return std::make_shared<ImplCanvas>( *this );
+ }
+
+ void ImplCanvas::clear() const
+ {
+ OSL_ENSURE( mxCanvas.is(), "ImplCanvas::clear(): Invalid XCanvas" );
+ mxCanvas->clear();
+ }
+
+ uno::Reference< rendering::XCanvas > ImplCanvas::getUNOCanvas() const
+ {
+ OSL_ENSURE( mxCanvas.is(), "ImplCanvas::getUNOCanvas(): Invalid XCanvas" );
+
+ return mxCanvas;
+ }
+
+ rendering::ViewState ImplCanvas::getViewState() const
+ {
+ if( maClipPolyPolygon && !maViewState.Clip.is() )
+ {
+ if( !mxCanvas.is() )
+ return maViewState;
+
+ maViewState.Clip = ::basegfx::unotools::xPolyPolygonFromB2DPolyPolygon(
+ mxCanvas->getDevice(),
+ *maClipPolyPolygon );
+ }
+
+ return maViewState;
+ }
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */