2f85eb7a2d
Change-Id: I0cf6f675483bddf82e7347b484a874c71963bfd7 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/156984 Tested-by: Jenkins Reviewed-by: Gabor Kelemen <kelemeng@ubuntu.com>
191 lines
7.3 KiB
C++
191 lines
7.3 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <basegfx/utils/canvastools.hxx>
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#include <basegfx/polygon/b2dpolypolygon.hxx>
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#include <canvas/canvastools.hxx>
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#include <osl/diagnose.h>
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#include <utility>
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#include "implsprite.hxx"
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using namespace ::com::sun::star;
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namespace cppcanvas::internal
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{
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ImplSprite::ImplSprite( const uno::Reference< rendering::XSpriteCanvas >& rParentCanvas,
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uno::Reference< rendering::XSprite > rSprite,
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ImplSpriteCanvas::TransformationArbiterSharedPtr xTransformArbiter ) :
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mxSprite(std::move( rSprite )),
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mpTransformArbiter(std::move( xTransformArbiter ))
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{
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// Avoiding ternary operator in initializer list (Solaris
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// compiler bug, when function call and temporary is
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// involved)
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if( rParentCanvas.is() )
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mxGraphicDevice = rParentCanvas->getDevice();
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OSL_ENSURE( rParentCanvas.is() , "ImplSprite::ImplSprite(): Invalid canvas");
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OSL_ENSURE( mxGraphicDevice.is(), "ImplSprite::ImplSprite(): Invalid graphic device");
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OSL_ENSURE( mxSprite.is(), "ImplSprite::ImplSprite(): Invalid sprite");
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OSL_ENSURE( mpTransformArbiter, "ImplSprite::ImplSprite(): Invalid transformation arbiter");
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}
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ImplSprite::~ImplSprite()
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{
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// hide the sprite on the canvas. If we don't hide the
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// sprite, it will stay on the canvas forever, since the
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// canvas naturally keeps a list of visible sprites
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// (otherwise, it wouldn't be able to paint them
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// autonomously)
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if( mxSprite.is() )
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mxSprite->hide();
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}
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void ImplSprite::setAlpha( const double& rAlpha )
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{
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OSL_ENSURE( mxSprite.is(), "ImplSprite::setAlpha(): Invalid sprite");
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if( mxSprite.is() )
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mxSprite->setAlpha( rAlpha );
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}
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void ImplSprite::movePixel( const ::basegfx::B2DPoint& rNewPos )
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{
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OSL_ENSURE( mxSprite.is(), "ImplSprite::movePixel(): Invalid sprite");
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if( mxSprite.is() )
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{
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rendering::ViewState aViewState;
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rendering::RenderState aRenderState;
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::canvas::tools::initViewState( aViewState );
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::canvas::tools::initRenderState( aRenderState );
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mxSprite->move( ::basegfx::unotools::point2DFromB2DPoint( rNewPos ),
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aViewState,
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aRenderState );
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}
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}
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void ImplSprite::move( const ::basegfx::B2DPoint& rNewPos )
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{
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OSL_ENSURE( mxSprite.is(), "ImplSprite::move(): Invalid sprite");
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if( !mxSprite.is() )
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return;
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rendering::ViewState aViewState;
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rendering::RenderState aRenderState;
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::canvas::tools::initViewState( aViewState );
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::canvas::tools::initRenderState( aRenderState );
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::canvas::tools::setViewStateTransform( aViewState,
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mpTransformArbiter->getTransformation() );
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mxSprite->move( ::basegfx::unotools::point2DFromB2DPoint( rNewPos ),
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aViewState,
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aRenderState );
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}
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void ImplSprite::transform( const ::basegfx::B2DHomMatrix& rMatrix )
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{
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OSL_ENSURE( mxSprite.is(), "ImplSprite::transform(): Invalid sprite");
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if( mxSprite.is() )
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{
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geometry::AffineMatrix2D aMatrix;
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mxSprite->transform( ::basegfx::unotools::affineMatrixFromHomMatrix( aMatrix,
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rMatrix ) );
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}
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}
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void ImplSprite::setClipPixel( const ::basegfx::B2DPolyPolygon& rClipPoly )
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{
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OSL_ENSURE( mxGraphicDevice.is(), "ImplSprite::setClip(): Invalid canvas");
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OSL_ENSURE( mxSprite.is(), "ImplSprite::transform(): Invalid sprite");
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if( mxSprite.is() && mxGraphicDevice.is() )
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mxSprite->clip( ::basegfx::unotools::xPolyPolygonFromB2DPolyPolygon( mxGraphicDevice,
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rClipPoly ) );
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}
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void ImplSprite::setClip( const ::basegfx::B2DPolyPolygon& rClipPoly )
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{
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OSL_ENSURE( mxGraphicDevice.is(), "ImplSprite::setClip(): Invalid canvas");
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OSL_ENSURE( mxSprite.is(), "ImplSprite::transform(): Invalid sprite");
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if( !(mxSprite.is() && mxGraphicDevice.is()) )
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return;
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::basegfx::B2DPolyPolygon aTransformedClipPoly( rClipPoly );
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// extract linear part of canvas view transformation (linear means:
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// without translational components)
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::basegfx::B2DHomMatrix aViewTransform( mpTransformArbiter->getTransformation() );
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aViewTransform.set( 0, 2, 0.0 );
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aViewTransform.set( 1, 2, 0.0 );
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// transform polygon from view to device coordinate space
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aTransformedClipPoly.transform( aViewTransform );
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mxSprite->clip( ::basegfx::unotools::xPolyPolygonFromB2DPolyPolygon( mxGraphicDevice,
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aTransformedClipPoly ) );
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}
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void ImplSprite::setClip()
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{
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OSL_ENSURE( mxGraphicDevice.is(), "ImplSprite::setClip(): Invalid canvas");
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OSL_ENSURE( mxSprite.is(), "ImplSprite::setClip(): Invalid sprite");
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if( mxSprite.is() && mxGraphicDevice.is() )
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mxSprite->clip( uno::Reference< rendering::XPolyPolygon2D >() );
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}
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void ImplSprite::show()
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{
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OSL_ENSURE( mxSprite.is(), "ImplSprite::show(): Invalid sprite");
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if( mxSprite.is() )
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mxSprite->show();
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}
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void ImplSprite::hide()
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{
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OSL_ENSURE( mxSprite.is(), "ImplSprite::hide(): Invalid sprite");
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if( mxSprite.is() )
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mxSprite->hide();
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}
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void ImplSprite::setPriority( double fPriority )
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{
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OSL_ENSURE( mxSprite.is(), "ImplSprite::setPriority(): Invalid sprite");
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if( mxSprite.is() )
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mxSprite->setPriority(fPriority);
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}
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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