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Diffstat (limited to 'slideshow/source/engine/shapes/shapeimporter.cxx')
| -rw-r--r-- | slideshow/source/engine/shapes/shapeimporter.cxx | 537 |
1 files changed, 537 insertions, 0 deletions
diff --git a/slideshow/source/engine/shapes/shapeimporter.cxx b/slideshow/source/engine/shapes/shapeimporter.cxx new file mode 100644 index 000000000..d896caa55 --- /dev/null +++ b/slideshow/source/engine/shapes/shapeimporter.cxx @@ -0,0 +1,537 @@ +/* -*- 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 <vcl/GraphicObject.hxx> +#include <basegfx/point/b2dpoint.hxx> +#include <basegfx/polygon/b2dpolygon.hxx> +#include <cppcanvas/basegfxfactory.hxx> +#include <cppcanvas/polypolygon.hxx> +#include <com/sun/star/awt/Rectangle.hpp> +#include <com/sun/star/drawing/ColorMode.hpp> +#include <com/sun/star/text/GraphicCrop.hpp> +#include <com/sun/star/drawing/PointSequenceSequence.hpp> +#include <com/sun/star/drawing/PointSequence.hpp> +#include <com/sun/star/drawing/XLayerSupplier.hpp> +#include <com/sun/star/drawing/XLayerManager.hpp> +#include <com/sun/star/graphic/XGraphic.hpp> +#include <com/sun/star/container/XNameAccess.hpp> +#include <com/sun/star/drawing/XDrawPagesSupplier.hpp> + +#include "drawshape.hxx" +#include "backgroundshape.hxx" +#include "mediashape.hxx" +#include "appletshape.hxx" +#include <shapeimporter.hxx> +#include <slideshowexceptions.hxx> +#include <tools.hxx> +#include <slideshowcontext.hxx> +#include <unoviewcontainer.hxx> + +#include <memory> + +using namespace com::sun::star; + +namespace slideshow::internal { + +namespace { + +std::unique_ptr<GraphicObject> importShapeGraphic(uno::Reference<beans::XPropertySet> const& xPropSet) +{ + std::unique_ptr<GraphicObject> xRet; + + uno::Reference<graphic::XGraphic> xGraphic; + if (!getPropertyValue(xGraphic, xPropSet, "Graphic") || !xGraphic.is()) + { + // no or empty property - cannot import shape graphic + return xRet; + } + + Graphic aGraphic(xGraphic); + xRet.reset(new GraphicObject(aGraphic)); + + if (GraphicType::Default == xRet->GetType() || GraphicType::NONE == xRet->GetType()) + { + xRet.reset(); + } + return xRet; +} + +/** This shape implementation just acts as a dummy for the layermanager. + Its sole role is for hit test detection of group shapes. +*/ +class ShapeOfGroup : public Shape +{ +public: + ShapeOfGroup( ShapeSharedPtr const& pGroupShape, + uno::Reference<drawing::XShape> const& xShape, + uno::Reference<beans::XPropertySet> const& xPropSet, + double nPrio ); + + // Shape: + virtual uno::Reference<drawing::XShape> getXShape() const override; + virtual void addViewLayer( ViewLayerSharedPtr const& pNewLayer, + bool bRedrawLayer ) override; + virtual bool removeViewLayer( ViewLayerSharedPtr const& pNewLayer ) override; + virtual void clearAllViewLayers() override; + virtual bool update() const override; + virtual bool render() const override; + virtual bool isContentChanged() const override; + virtual basegfx::B2DRectangle getBounds() const override; + virtual basegfx::B2DRectangle getDomBounds() const override; + virtual basegfx::B2DRectangle getUpdateArea() const override; + virtual bool isVisible() const override; + virtual double getPriority() const override; + virtual bool isBackgroundDetached() const override; + +private: + ShapeSharedPtr const mpGroupShape; + uno::Reference<drawing::XShape> const mxShape; + double const mnPrio; + basegfx::B2DPoint maPosOffset; + double mnWidth; + double mnHeight; +}; + +ShapeOfGroup::ShapeOfGroup( ShapeSharedPtr const& pGroupShape, + uno::Reference<drawing::XShape> const& xShape, + uno::Reference<beans::XPropertySet> const& xPropSet, + double nPrio ) : + mpGroupShape(pGroupShape), + mxShape(xShape), + mnPrio(nPrio) +{ + // read bound rect + uno::Any const aTmpRect_( xPropSet->getPropertyValue( "BoundRect" )); + awt::Rectangle const aTmpRect( aTmpRect_.get<awt::Rectangle>() ); + basegfx::B2DRectangle const groupPosSize( pGroupShape->getBounds() ); + maPosOffset = basegfx::B2DPoint( aTmpRect.X - groupPosSize.getMinX(), + aTmpRect.Y - groupPosSize.getMinY() ); + mnWidth = aTmpRect.Width; + mnHeight = aTmpRect.Height; +} + +uno::Reference<drawing::XShape> ShapeOfGroup::getXShape() const +{ + return mxShape; +} + +void ShapeOfGroup::addViewLayer( ViewLayerSharedPtr const& /*pNewLayer*/, + bool /*bRedrawLayer*/ ) +{ +} + +bool ShapeOfGroup::removeViewLayer( ViewLayerSharedPtr const& /*pNewLayer*/ ) +{ + return true; +} + +void ShapeOfGroup::clearAllViewLayers() +{ +} + +bool ShapeOfGroup::update() const +{ + return true; +} + +bool ShapeOfGroup::render() const +{ + return true; +} + +bool ShapeOfGroup::isContentChanged() const +{ + return false; +} + +basegfx::B2DRectangle ShapeOfGroup::getBounds() const +{ + basegfx::B2DRectangle const groupPosSize( mpGroupShape->getBounds() ); + double const posX = groupPosSize.getMinX() + maPosOffset.getX(); + double const posY = groupPosSize.getMinY() + maPosOffset.getY(); + return basegfx::B2DRectangle( posX, posY, posX + mnWidth, posY + mnHeight ); +} + +basegfx::B2DRectangle ShapeOfGroup::getDomBounds() const +{ + return getBounds(); +} + +basegfx::B2DRectangle ShapeOfGroup::getUpdateArea() const +{ + return getBounds(); +} + +bool ShapeOfGroup::isVisible() const +{ + return mpGroupShape->isVisible(); +} + +double ShapeOfGroup::getPriority() const +{ + return mnPrio; +} + +bool ShapeOfGroup::isBackgroundDetached() const +{ + return false; +} + +} // anon namespace + +ShapeSharedPtr ShapeImporter::createShape( + uno::Reference<drawing::XShape> const& xCurrShape, + uno::Reference<beans::XPropertySet> const& xPropSet, + std::u16string_view shapeType ) const +{ + if( shapeType == u"com.sun.star.drawing.MediaShape" || shapeType == u"com.sun.star.presentation.MediaShape" ) + { + // Media shape (video etc.). This is a special object + return createMediaShape(xCurrShape, + mnAscendingPrio, + mrContext); + } + else if( shapeType == u"com.sun.star.drawing.AppletShape" ) + { + // PropertyValues to copy from XShape to applet + static const char* aPropertyValues[] = + { + "AppletCodeBase", + "AppletName", + "AppletCode", + "AppletCommands", + "AppletIsScript" + }; + + // (Java)Applet shape. This is a special object + return createAppletShape( xCurrShape, + mnAscendingPrio, + "com.sun.star.comp.sfx2.AppletObject", + aPropertyValues, + SAL_N_ELEMENTS(aPropertyValues), + mrContext ); + } + else if( shapeType == u"com.sun.star.drawing.OLE2Shape" || shapeType == u"com.sun.star.presentation.OLE2Shape" ) + { + // #i46224# Mark OLE shapes as foreign content - scan them for + // unsupported actions, and fallback to bitmap, if necessary + return DrawShape::create( xCurrShape, + mxPage, + mnAscendingPrio, + true, + mrContext ); + } + else if( shapeType == u"com.sun.star.drawing.GraphicObjectShape" || shapeType == u"com.sun.star.presentation.GraphicObjectShape" ) + { + // to get hold of GIF animations, inspect Graphic + // objects more thoroughly (the plain-jane shape + // metafile of course would only contain the first + // animation frame) + std::unique_ptr<GraphicObject> xGraphicObject(importShapeGraphic(xPropSet)); + if (!xGraphicObject) + return ShapeSharedPtr(); // error loading graphic - + // no placeholders in + // slideshow + + if (!xGraphicObject->IsAnimated()) + { + // no animation - simply utilize plain draw shape import + + // import shape as bitmap - either it's a bitmap + // anyway, or it's a metafile, which currently the + // metafile renderer might not display correctly. + return DrawShape::create( xCurrShape, + mxPage, + mnAscendingPrio, + true, + mrContext ); + } + + + // now extract relevant shape attributes via API + + + drawing::ColorMode eColorMode( drawing::ColorMode_STANDARD ); + sal_Int16 nLuminance(0); + sal_Int16 nContrast(0); + sal_Int16 nRed(0); + sal_Int16 nGreen(0); + sal_Int16 nBlue(0); + double nGamma(1.0); + sal_Int16 nTransparency(0); + sal_Int32 nRotation(0); + + getPropertyValue( eColorMode, xPropSet, "GraphicColorMode" ); + getPropertyValue( nLuminance, xPropSet, "AdjustLuminance" ); + getPropertyValue( nContrast, xPropSet, "AdjustContrast" ); + getPropertyValue( nRed, xPropSet, "AdjustRed" ); + getPropertyValue( nGreen, xPropSet, "AdjustGreen" ); + getPropertyValue( nBlue, xPropSet, "AdjustBlue" ); + getPropertyValue( nGamma, xPropSet, "Gamma" ); + getPropertyValue( nTransparency, xPropSet, "Transparency" ); + getPropertyValue( nRotation, xPropSet, "RotateAngle" ); + + GraphicAttr aGraphAttrs; + aGraphAttrs.SetDrawMode( static_cast<GraphicDrawMode>(eColorMode) ); + aGraphAttrs.SetLuminance( nLuminance ); + aGraphAttrs.SetContrast( nContrast ); + aGraphAttrs.SetChannelR( nRed ); + aGraphAttrs.SetChannelG( nGreen ); + aGraphAttrs.SetChannelB( nBlue ); + aGraphAttrs.SetGamma( nGamma ); + aGraphAttrs.SetAlpha( 255 - static_cast<sal_uInt8>(nTransparency) ); + aGraphAttrs.SetRotation( Degree10(static_cast<sal_Int16>(nRotation*10)) ); + + text::GraphicCrop aGraphCrop; + if( getPropertyValue( aGraphCrop, xPropSet, "GraphicCrop" )) + { + aGraphAttrs.SetCrop( aGraphCrop.Left, + aGraphCrop.Top, + aGraphCrop.Right, + aGraphCrop.Bottom ); + } + + // fetch readily transformed and color-modified + // graphic + + + Graphic aGraphic( + xGraphicObject->GetTransformedGraphic( + xGraphicObject->GetPrefSize(), + xGraphicObject->GetPrefMapMode(), + aGraphAttrs ) ); + + return DrawShape::create( xCurrShape, + mxPage, + mnAscendingPrio, + aGraphic, + mrContext ); + } + else + { + return DrawShape::create( xCurrShape, + mxPage, + mnAscendingPrio, + false, + mrContext ); + } +} + +bool ShapeImporter::isSkip( + uno::Reference<beans::XPropertySet> const& xPropSet, + std::u16string_view shapeType, + uno::Reference< drawing::XLayer> const& xLayer ) +{ + // skip empty presentation objects: + bool bEmpty = false; + if( getPropertyValue( bEmpty, + xPropSet, + "IsEmptyPresentationObject") && + bEmpty ) + { + return true; + } + + //skip shapes which corresponds to annotations + if(xLayer.is()) + { + OUString layerName; + const uno::Any& a(xLayer->getPropertyValue("Name") ); + bool const bRet = (a >>= layerName); + if(bRet) + { + if( layerName == "DrawnInSlideshow" ) + { + //Transform shapes into PolyPolygons + importPolygons(xPropSet); + + return true; + } + } + } + + // don't export presentation placeholders on masterpage + // they can be non empty when user edits the default texts + if(mbConvertingMasterPage) + { + if( shapeType == u"com.sun.star.presentation.TitleTextShape" || shapeType == u"com.sun.star.presentation.OutlinerShape" ) + { + return true; + } + } + return false; +} + + +void ShapeImporter::importPolygons(uno::Reference<beans::XPropertySet> const& xPropSet) { + + drawing::PointSequenceSequence aRetval; + sal_Int32 nLineColor=0; + double fLineWidth; + getPropertyValue( aRetval, xPropSet, "PolyPolygon" ); + getPropertyValue( nLineColor, xPropSet, "LineColor" ); + getPropertyValue( fLineWidth, xPropSet, "LineWidth" ); + + const drawing::PointSequence* pOuterSequence = aRetval.getArray(); + + ::basegfx::B2DPolygon aPoly; + basegfx::B2DPoint aPoint; + for( const awt::Point& rPoint : *pOuterSequence ) + { + aPoint.setX(rPoint.X); + aPoint.setY(rPoint.Y); + aPoly.append( aPoint ); + } + for( const auto& pView : mrContext.mrViewContainer ) + { + ::cppcanvas::PolyPolygonSharedPtr pPolyPoly( + ::cppcanvas::BaseGfxFactory::createPolyPolygon( pView->getCanvas(), + aPoly ) ); + if( pPolyPoly ) + { + pPolyPoly->setRGBALineColor( unoColor2RGBColor( nLineColor ).getIntegerColor() ); + pPolyPoly->setStrokeWidth(fLineWidth); + pPolyPoly->draw(); + maPolygons.push_back(pPolyPoly); + } + } +} + +ShapeSharedPtr ShapeImporter::importBackgroundShape() // throw (ShapeLoadFailedException) +{ + if( maShapesStack.empty() ) + throw ShapeLoadFailedException(); + + XShapesEntry& rTop = maShapesStack.top(); + ShapeSharedPtr pBgShape( + createBackgroundShape(mxPage, + uno::Reference<drawing::XDrawPage>( + rTop.mxShapes, + uno::UNO_QUERY_THROW), + mrContext) ); + mnAscendingPrio += 1.0; + + return pBgShape; +} + +ShapeSharedPtr ShapeImporter::importShape() // throw (ShapeLoadFailedException) +{ + ShapeSharedPtr pRet; + bool bIsGroupShape = false; + + while( !maShapesStack.empty() && !pRet ) + { + XShapesEntry& rTop = maShapesStack.top(); + if( rTop.mnPos < rTop.mnCount ) + { + uno::Reference<drawing::XShape> const xCurrShape( + rTop.mxShapes->getByIndex( rTop.mnPos ), uno::UNO_QUERY ); + ++rTop.mnPos; + uno::Reference<beans::XPropertySet> xPropSet( + xCurrShape, uno::UNO_QUERY ); + if( !xPropSet.is() ) + { + // we definitely need the properties of + // the shape here. This will also fail, + // if getByIndex did not return a valid + // shape + throw ShapeLoadFailedException(); + } + + //Retrieve the layer for the current shape + uno::Reference< drawing::XLayer > xDrawnInSlideshow; + + uno::Reference< drawing::XLayerSupplier > xLayerSupplier(mxPagesSupplier, uno::UNO_QUERY); + if(xLayerSupplier.is()) + { + uno::Reference< container::XNameAccess > xNameAccess = xLayerSupplier->getLayerManager(); + + uno::Reference< drawing::XLayerManager > xLayerManager(xNameAccess, uno::UNO_QUERY); + + xDrawnInSlideshow = xLayerManager->getLayerForShape(xCurrShape); + } + + OUString const shapeType( xCurrShape->getShapeType()); + + // is this shape presentation-invisible? + if( !isSkip(xPropSet, shapeType, xDrawnInSlideshow) ) + { + bIsGroupShape = shapeType == "com.sun.star.drawing.GroupShape"; + + if( rTop.mpGroupShape ) // in group particle mode? + { + pRet = std::make_shared<ShapeOfGroup>( + rTop.mpGroupShape /* container shape */, + xCurrShape, xPropSet, + mnAscendingPrio ); + } + else + { + pRet = createShape( xCurrShape, xPropSet, shapeType ); + } + mnAscendingPrio += 1.0; + } + } + if( rTop.mnPos >= rTop.mnCount ) + { + // group or top-level shapes finished: + maShapesStack.pop(); + } + if( bIsGroupShape && pRet ) + { + // push new group on the stack: group traversal + maShapesStack.push( XShapesEntry( pRet ) ); + } + } + + return pRet; +} + +bool ShapeImporter::isImportDone() const +{ + return maShapesStack.empty(); +} + +const PolyPolygonVector& ShapeImporter::getPolygons() const +{ + return maPolygons; +} + +ShapeImporter::ShapeImporter( uno::Reference<drawing::XDrawPage> const& xPage, + uno::Reference<drawing::XDrawPage> const& xActualPage, + uno::Reference<drawing::XDrawPagesSupplier> const& xPagesSupplier, + const SlideShowContext& rContext, + sal_Int32 nOrdNumStart, + bool bConvertingMasterPage ) : + mxPage( xActualPage ), + mxPagesSupplier( xPagesSupplier ), + mrContext( rContext ), + maPolygons(), + maShapesStack(), + mnAscendingPrio( nOrdNumStart ), + mbConvertingMasterPage( bConvertingMasterPage ) +{ + uno::Reference<drawing::XShapes> const xShapes( + xPage, uno::UNO_QUERY_THROW ); + maShapesStack.push( XShapesEntry(xShapes) ); +} + +} // namespace presentation + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |