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| -rw-r--r-- | slideshow/source/engine/shapes/drawshape.hxx | 360 |
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diff --git a/slideshow/source/engine/shapes/drawshape.hxx b/slideshow/source/engine/shapes/drawshape.hxx new file mode 100644 index 000000000..8636a7acd --- /dev/null +++ b/slideshow/source/engine/shapes/drawshape.hxx @@ -0,0 +1,360 @@ +/* -*- 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 . + */ + +#ifndef INCLUDED_SLIDESHOW_SOURCE_ENGINE_SHAPES_DRAWSHAPE_HXX +#define INCLUDED_SLIDESHOW_SOURCE_ENGINE_SHAPES_DRAWSHAPE_HXX + +#include <osl/diagnose.hxx> +#include <com/sun/star/drawing/XShape.hpp> + +#include <attributableshape.hxx> +#include <doctreenodesupplier.hxx> +#include "drawshapesubsetting.hxx" +#include "gdimtftools.hxx" +#include "viewshape.hxx" +#include <hyperlinkarea.hxx> + +#include <optional> +#include <vector> + +class Graphic; + +namespace slideshow::internal + { + class Activity; + struct SlideShowContext; + class DrawShapeSubsetting; + class DrawShape; + typedef ::std::shared_ptr< DrawShape > DrawShapeSharedPtr; + + /** This class is the representation of a draw document's + XShape, and implements the Shape, AnimatableShape, and + AttributableShape interfaces. + + @attention this class is to be treated 'final', i.e. one + should not derive from it. + */ + class DrawShape : public AttributableShape, + public DocTreeNodeSupplier, + public HyperlinkArea, + public ::osl::DebugBase<DrawShape> + { + public: + /** Create a shape for the given XShape + + @param xShape + The XShape to represent. + + @param xContainingPage + The page that contains this shape. Needed for proper + import (currently, the UnoGraphicExporter needs this + information). + + @param nPrio + Externally-determined shape priority (used e.g. for + paint ordering). This number _must be_ unique! + + @param bForeignSource + When true, the source of the shape metafile might be a + foreign application. The metafile is checked against + unsupported content, and, if necessary, returned as a + pre-rendered bitmap. + */ + static DrawShapeSharedPtr create( + const css::uno::Reference< css::drawing::XShape >& xShape, + const css::uno::Reference< css::drawing::XDrawPage >& xContainingPage, + double nPrio, + bool bForeignSource, + const SlideShowContext& rContext ); // throw ShapeLoadFailedException; + + /** Create a shape for the given XShape and graphic content + + @param xShape + The XShape to represent. + + @param xContainingPage + The page that contains this shape. Needed for proper + import (currently, the UnoGraphicExporter needs this + information). + + @param nPrio + Externally-determined shape priority (used e.g. for + paint ordering). This number _must be_ unique! + + @param rGraphic + Graphic to display in the shape's bound rect. If this + Graphic contains animatable content, the created + DrawShape will register itself for intrinsic animation + events. + */ + static DrawShapeSharedPtr create( + const css::uno::Reference< css::drawing::XShape >& xShape, + const css::uno::Reference< css::drawing::XDrawPage >& xContainingPage, + double nPrio, + const Graphic& rGraphic, + const SlideShowContext& rContext ); // throw ShapeLoadFailedException; + + virtual css::uno::Reference< css::drawing::XShape > getXShape() const override; + + virtual ~DrawShape() override; + + + // View layer methods + + + virtual void addViewLayer( const ViewLayerSharedPtr& rNewLayer, + bool bRedrawLayer ) override; + virtual bool removeViewLayer( const ViewLayerSharedPtr& rNewLayer ) override; + virtual void clearAllViewLayers() override; + + // attribute methods + + + virtual ShapeAttributeLayerSharedPtr createAttributeLayer() override; + virtual bool revokeAttributeLayer( const ShapeAttributeLayerSharedPtr& rLayer ) override; + virtual ShapeAttributeLayerSharedPtr getTopmostAttributeLayer() const override; + virtual void setVisibility( bool bVisible ) 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; + + + // animation methods + + + virtual void enterAnimationMode() override; + virtual void leaveAnimationMode() override; + virtual bool isBackgroundDetached() const override; + + // render methods + + + virtual bool update() const override; + virtual bool render() const override; + virtual bool isContentChanged() const override; + + // Sub item specialities + + + virtual const DocTreeNodeSupplier& getTreeNodeSupplier() const override; + virtual DocTreeNodeSupplier& getTreeNodeSupplier() override; + + virtual DocTreeNode getSubsetNode() const override; + virtual AttributableShapeSharedPtr getSubset( const DocTreeNode& rTreeNode ) const override; + virtual bool createSubset( AttributableShapeSharedPtr& o_rSubset, + const DocTreeNode& rTreeNode ) override; + virtual bool revokeSubset( const AttributableShapeSharedPtr& rShape ) override; + + + // DocTreeNodeSupplier methods + + + virtual sal_Int32 getNumberOfTreeNodes ( DocTreeNode::NodeType eNodeType ) const override; // throw ShapeLoadFailedException; + virtual DocTreeNode getTreeNode ( sal_Int32 nNodeIndex, + DocTreeNode::NodeType eNodeType ) const override; // throw ShapeLoadFailedException; + virtual sal_Int32 getNumberOfSubsetTreeNodes ( const DocTreeNode& rParentNode, + DocTreeNode::NodeType eNodeType ) const override; // throw ShapeLoadFailedException; + virtual DocTreeNode getSubsetTreeNode ( const DocTreeNode& rParentNode, + sal_Int32 nNodeIndex, + DocTreeNode::NodeType eNodeType ) const override; // throw ShapeLoadFailedException; + + // HyperlinkArea methods + + + virtual HyperlinkRegions getHyperlinkRegions() const override; + virtual double getHyperlinkPriority() const override; + + + // intrinsic animation methods + + + /** Display next frame of an intrinsic animation. + + Used by IntrinsicAnimationActivity, to show the next + animation frame. + */ + void setIntrinsicAnimationFrame( ::std::size_t nCurrFrame ); + + /** forces the drawshape to load and return a specially + crafted metafile, usable to display drawing layer text + animations. + */ + GDIMetaFileSharedPtr const & forceScrollTextMetaFile(); + + private: + /** Create a shape for the given XShape + + @param xShape + The XShape to represent. + + @param xContainingPage + The page that contains this shape. Needed for proper + import (currently, the UnoGraphicExporter needs this + information). + + @param nPrio + Externally-determined shape priority (used e.g. for + paint ordering). This number _must be_ unique! + + @param bForeignSource + When true, the source of the shape metafile might be a + foreign application. The metafile is checked against + unsupported content, and, if necessary, returned as a + pre-rendered bitmap. + */ + DrawShape( const css::uno::Reference< + css::drawing::XShape >& xShape, + const css::uno::Reference< + css::drawing::XDrawPage >& xContainingPage, + double nPrio, + bool bForeignSource, + const SlideShowContext& rContext ); // throw ShapeLoadFailedException; + + /** Create a shape for the given XShape and graphic content + + @param xShape + The XShape to represent. + + @param xContainingPage + The page that contains this shape. Needed for proper + import (currently, the UnoGraphicExporter needs this + information). + + @param nPrio + Externally-determined shape priority (used e.g. for + paint ordering). This number _must be_ unique! + + @param rGraphic + Graphic to display in the shape's bound rect. If this + Graphic contains animatable content, the created + DrawShape will register itself for intrinsic animation + events. + */ + DrawShape( const css::uno::Reference< css::drawing::XShape >& xShape, + const css::uno::Reference< css::drawing::XDrawPage >& xContainingPage, + double nPrio, + const Graphic& rGraphic, + const SlideShowContext& rContext ); // throw ShapeLoadFailedException; + + /** Private copy constructor + + Used to create subsetted shapes + */ + DrawShape( const DrawShape&, const DocTreeNode& rTreeNode, double nPrio ); + + UpdateFlags getUpdateFlags() const; + bool implRender( UpdateFlags nUpdateFlags ) const; + void updateStateIds() const; + + ViewShape::RenderArgs getViewRenderArgs() const; + ::basegfx::B2DRectangle getActualUnitShapeBounds() const; + + bool hasIntrinsicAnimation() const; + bool hasHyperlinks() const; + void prepareHyperlinkIndices() const; + + /// The associated XShape + css::uno::Reference< css::drawing::XShape > mxShape; + css::uno::Reference< css::drawing::XDrawPage > mxPage; + + /** A vector of metafiles actually representing the Shape. + + If this shape is not animated, only a single entry is + available. + */ + mutable VectorOfMtfAnimationFrames maAnimationFrames; + ::std::size_t mnCurrFrame; + + /// Metafile of currently active frame (static for shapes w/o intrinsic animation) + mutable GDIMetaFileSharedPtr mpCurrMtf; + + /// loadflags of current meta file + mutable int mnCurrMtfLoadFlags; + + /// Contains the current shape bounds, in unit rect space + mutable ::std::optional<basegfx::B2DRectangle> maCurrentShapeUnitBounds; + + // The attributes of this Shape + const double mnPriority; + ::basegfx::B2DRectangle maBounds; // always needed for rendering. + // for subset shapes, this member + // might change when views are + // added, as minimal bounds are + // calculated + + // Pointer to modifiable shape attributes + ShapeAttributeLayerSharedPtr mpAttributeLayer; // only created lazily + + // held here, to signal our destruction + std::weak_ptr<Activity> mpIntrinsicAnimationActivity; + + // The attribute states, to detect attribute changes, + // without buffering and querying each single attribute + mutable State::StateId mnAttributeTransformationState; + mutable State::StateId mnAttributeClipState; + mutable State::StateId mnAttributeAlphaState; + mutable State::StateId mnAttributePositionState; + mutable State::StateId mnAttributeContentState; + mutable State::StateId mnAttributeVisibilityState; + + /// the list of active view shapes (one for each registered view layer) + typedef ::std::vector< ViewShapeSharedPtr > ViewShapeVector; + ViewShapeVector maViewShapes; + + css::uno::Reference< css::uno::XComponentContext> mxComponentContext; + + /// hyperlink support + typedef ::std::pair<sal_Int32 /* mtf start */, + sal_Int32 /* mtf end */> HyperlinkIndexPair; + typedef ::std::vector<HyperlinkIndexPair> HyperlinkIndexPairVector; + mutable HyperlinkIndexPairVector maHyperlinkIndices; + mutable HyperlinkRegions maHyperlinkRegions; + + /// Delegated subset handling + mutable DrawShapeSubsetting maSubsetting; + + /// Whether this shape is currently in animation mode (value != 0) + int mnIsAnimatedCount; + + /// Number of times the bitmap animation shall loop + sal_uInt32 mnAnimationLoopCount; + + /// Whether shape is visible (without attribute layers) + bool mbIsVisible; + + /// Whether redraw is necessary, regardless of state ids + mutable bool mbForceUpdate; + + /// Whether attribute layer was revoked (making a redraw necessary) + mutable bool mbAttributeLayerRevoked; + + /// whether a drawing layer animation has to be performed + bool mbDrawingLayerAnim; + + /// tdf#150402 wether mpCurrMtf contains any Text with a PageField ("FIELD_SEQ_BEGIN;PageField") + mutable bool mbContainsPageField; + }; + +} + +#endif // INCLUDED_SLIDESHOW_SOURCE_ENGINE_SHAPES_DRAWSHAPE_HXX + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |