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-rw-r--r--cppcanvas/source/wrapper/implsprite.cxx190
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diff --git a/cppcanvas/source/wrapper/implsprite.cxx b/cppcanvas/source/wrapper/implsprite.cxx
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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/utils/canvastools.hxx>
+#include <basegfx/polygon/b2dpolypolygon.hxx>
+#include <canvas/canvastools.hxx>
+#include <utility>
+
+#include "implsprite.hxx"
+
+
+using namespace ::com::sun::star;
+
+namespace cppcanvas::internal
+{
+
+ ImplSprite::ImplSprite( const uno::Reference< rendering::XSpriteCanvas >& rParentCanvas,
+ uno::Reference< rendering::XSprite > rSprite,
+ ImplSpriteCanvas::TransformationArbiterSharedPtr xTransformArbiter ) :
+ mxSprite(std::move( rSprite )),
+ mpTransformArbiter(std::move( xTransformArbiter ))
+ {
+ // Avoiding ternary operator in initializer list (Solaris
+ // compiler bug, when function call and temporary is
+ // involved)
+ if( rParentCanvas.is() )
+ mxGraphicDevice = rParentCanvas->getDevice();
+
+ OSL_ENSURE( rParentCanvas.is() , "ImplSprite::ImplSprite(): Invalid canvas");
+ OSL_ENSURE( mxGraphicDevice.is(), "ImplSprite::ImplSprite(): Invalid graphic device");
+ OSL_ENSURE( mxSprite.is(), "ImplSprite::ImplSprite(): Invalid sprite");
+ OSL_ENSURE( mpTransformArbiter, "ImplSprite::ImplSprite(): Invalid transformation arbiter");
+ }
+
+ ImplSprite::~ImplSprite()
+ {
+ // hide the sprite on the canvas. If we don't hide the
+ // sprite, it will stay on the canvas forever, since the
+ // canvas naturally keeps a list of visible sprites
+ // (otherwise, it wouldn't be able to paint them
+ // autonomously)
+ if( mxSprite.is() )
+ mxSprite->hide();
+ }
+
+ void ImplSprite::setAlpha( const double& rAlpha )
+ {
+ OSL_ENSURE( mxSprite.is(), "ImplSprite::setAlpha(): Invalid sprite");
+
+ if( mxSprite.is() )
+ mxSprite->setAlpha( rAlpha );
+ }
+
+ void ImplSprite::movePixel( const ::basegfx::B2DPoint& rNewPos )
+ {
+ OSL_ENSURE( mxSprite.is(), "ImplSprite::movePixel(): Invalid sprite");
+
+ if( mxSprite.is() )
+ {
+ rendering::ViewState aViewState;
+ rendering::RenderState aRenderState;
+
+ ::canvas::tools::initViewState( aViewState );
+ ::canvas::tools::initRenderState( aRenderState );
+
+ mxSprite->move( ::basegfx::unotools::point2DFromB2DPoint( rNewPos ),
+ aViewState,
+ aRenderState );
+ }
+ }
+
+ void ImplSprite::move( const ::basegfx::B2DPoint& rNewPos )
+ {
+ OSL_ENSURE( mxSprite.is(), "ImplSprite::move(): Invalid sprite");
+
+ if( !mxSprite.is() )
+ return;
+
+ rendering::ViewState aViewState;
+ rendering::RenderState aRenderState;
+
+ ::canvas::tools::initViewState( aViewState );
+ ::canvas::tools::initRenderState( aRenderState );
+
+ ::canvas::tools::setViewStateTransform( aViewState,
+ mpTransformArbiter->getTransformation() );
+
+ mxSprite->move( ::basegfx::unotools::point2DFromB2DPoint( rNewPos ),
+ aViewState,
+ aRenderState );
+ }
+
+ void ImplSprite::transform( const ::basegfx::B2DHomMatrix& rMatrix )
+ {
+ OSL_ENSURE( mxSprite.is(), "ImplSprite::transform(): Invalid sprite");
+
+ if( mxSprite.is() )
+ {
+ geometry::AffineMatrix2D aMatrix;
+
+ mxSprite->transform( ::basegfx::unotools::affineMatrixFromHomMatrix( aMatrix,
+ rMatrix ) );
+ }
+ }
+
+ void ImplSprite::setClipPixel( const ::basegfx::B2DPolyPolygon& rClipPoly )
+ {
+ OSL_ENSURE( mxGraphicDevice.is(), "ImplSprite::setClip(): Invalid canvas");
+ OSL_ENSURE( mxSprite.is(), "ImplSprite::transform(): Invalid sprite");
+
+ if( mxSprite.is() && mxGraphicDevice.is() )
+ mxSprite->clip( ::basegfx::unotools::xPolyPolygonFromB2DPolyPolygon( mxGraphicDevice,
+ rClipPoly ) );
+ }
+
+ void ImplSprite::setClip( const ::basegfx::B2DPolyPolygon& rClipPoly )
+ {
+ OSL_ENSURE( mxGraphicDevice.is(), "ImplSprite::setClip(): Invalid canvas");
+ OSL_ENSURE( mxSprite.is(), "ImplSprite::transform(): Invalid sprite");
+
+ if( !(mxSprite.is() && mxGraphicDevice.is()) )
+ return;
+
+ ::basegfx::B2DPolyPolygon aTransformedClipPoly( rClipPoly );
+
+ // extract linear part of canvas view transformation (linear means:
+ // without translational components)
+ ::basegfx::B2DHomMatrix aViewTransform( mpTransformArbiter->getTransformation() );
+ aViewTransform.set( 0, 2, 0.0 );
+ aViewTransform.set( 1, 2, 0.0 );
+
+ // transform polygon from view to device coordinate space
+ aTransformedClipPoly.transform( aViewTransform );
+
+ mxSprite->clip( ::basegfx::unotools::xPolyPolygonFromB2DPolyPolygon( mxGraphicDevice,
+ aTransformedClipPoly ) );
+ }
+
+ void ImplSprite::setClip()
+ {
+ OSL_ENSURE( mxGraphicDevice.is(), "ImplSprite::setClip(): Invalid canvas");
+ OSL_ENSURE( mxSprite.is(), "ImplSprite::setClip(): Invalid sprite");
+
+ if( mxSprite.is() && mxGraphicDevice.is() )
+ mxSprite->clip( uno::Reference< rendering::XPolyPolygon2D >() );
+ }
+
+ void ImplSprite::show()
+ {
+ OSL_ENSURE( mxSprite.is(), "ImplSprite::show(): Invalid sprite");
+
+ if( mxSprite.is() )
+ mxSprite->show();
+ }
+
+ void ImplSprite::hide()
+ {
+ OSL_ENSURE( mxSprite.is(), "ImplSprite::hide(): Invalid sprite");
+
+ if( mxSprite.is() )
+ mxSprite->hide();
+ }
+
+ void ImplSprite::setPriority( double fPriority )
+ {
+ OSL_ENSURE( mxSprite.is(), "ImplSprite::setPriority(): Invalid sprite");
+
+ if( mxSprite.is() )
+ mxSprite->setPriority(fPriority);
+ }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */