Ziele Untersuchung
mit Columbo Integrität von
Datenbanken Interaktion und
Portierbarkeit Ergonomie der
Schnittstellen

Angebot Produkte Projekt Beratung

Mittel Analytik Modellierung Sprachen Algebra Logik Hardware Denken Kreativität

Zusammenhänge Gesellschaft Wirtschaft Branche Firma


products/sources/formale Sprachen/C/LibreOffice/cppcanvas/source/wrapper/ (Office von Apache Version 25.8.3.2^©) Datei vom 5.10.2025 mit Größe 7 kB

Quelle implsprite.cxx Sprache: C

/* -*- 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 <osl/diagnose.h>
#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: */

quality99%

¤ Dauer der Verarbeitung: 0.13 Sekunden (vorverarbeitet) ¤

Wurzel

Suchen

Beweissystem der NASA

Beweissystem Isabelle

NIST Cobol Testsuite

Cephes Mathematical Library

Wiener Entwicklungsmethode

Haftungshinweis

Die Informationen auf dieser Webseite wurden nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit, noch Qualität der bereit gestellten Informationen zugesichert.