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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 "implsprite.hxx"
using namespace ::com::sun::star;
namespace cppcanvas::internal
{
ImplSprite::ImplSprite( const uno::Reference< rendering::XSpriteCanvas >& rParentCanvas,
const uno::Reference< rendering::XSprite >& rSprite,
const ImplSpriteCanvas::TransformationArbiterSharedPtr& rTransformArbiter ) :
mxGraphicDevice(),
mxSprite( rSprite ),
mpTransformArbiter( rTransformArbiter )
{
// 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.get(), "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: */
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