791 lines
26 KiB
C++
791 lines
26 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 "PresenterCanvas.hxx"
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#include "CanvasUpdateRequester.hxx"
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#include <basegfx/matrix/b2dhommatrix.hxx>
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#include <basegfx/polygon/b2dpolygontools.hxx>
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#include <basegfx/polygon/b2dpolypolygon.hxx>
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#include <basegfx/polygon/b2dpolygonclipper.hxx>
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#include <basegfx/range/b2drectangle.hxx>
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#include <basegfx/utils/canvastools.hxx>
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#include <com/sun/star/awt/XWindow.hpp>
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#include <comphelper/compbase.hxx>
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#include <rtl/ref.hxx>
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#include <toolkit/helper/vclunohelper.hxx>
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#include <utility>
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#include <vcl/window.hxx>
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using namespace ::com::sun::star;
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using namespace ::com::sun::star::uno;
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namespace sd::presenter {
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//===== PresenterCustomSprite =================================================
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/** Wrapper around a sprite that is displayed on a PresenterCanvas.
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*/
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namespace {
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typedef comphelper::WeakComponentImplHelper <
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css::rendering::XCustomSprite
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> PresenterCustomSpriteInterfaceBase;
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class PresenterCustomSprite final
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: public PresenterCustomSpriteInterfaceBase
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{
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public:
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PresenterCustomSprite (
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rtl::Reference<PresenterCanvas> pCanvas,
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const Reference<rendering::XCustomSprite>& rxSprite,
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const Reference<awt::XWindow>& rxBaseWindow);
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PresenterCustomSprite(const PresenterCustomSprite&) = delete;
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PresenterCustomSprite& operator=(const PresenterCustomSprite&) = delete;
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virtual void disposing(std::unique_lock<std::mutex>&) override;
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// XSprite
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virtual void SAL_CALL setAlpha (double nAlpha) override;
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virtual void SAL_CALL move (const geometry::RealPoint2D& rNewPos,
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const rendering::ViewState& rViewState,
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const rendering::RenderState& rRenderState) override;
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virtual void SAL_CALL transform (const geometry::AffineMatrix2D& rTransformation) override;
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virtual void SAL_CALL clip (const Reference<rendering::XPolyPolygon2D>& rClip) override;
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virtual void SAL_CALL setPriority (double nPriority) override;
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virtual void SAL_CALL show() override;
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virtual void SAL_CALL hide() override;
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// XCustomSprite
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virtual Reference<rendering::XCanvas> SAL_CALL getContentCanvas() override;
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private:
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rtl::Reference<PresenterCanvas> mpCanvas;
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Reference<rendering::XCustomSprite> mxSprite;
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Reference<awt::XWindow> mxBaseWindow;
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geometry::RealPoint2D maPosition;
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/// @throws css::lang::DisposedException
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void ThrowIfDisposed();
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};
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}
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//===== PresenterCanvas =======================================================
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PresenterCanvas::PresenterCanvas (
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const Reference<rendering::XSpriteCanvas>& rxUpdateCanvas,
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const Reference<awt::XWindow>& rxUpdateWindow,
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const Reference<rendering::XCanvas>& rxSharedCanvas,
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const Reference<awt::XWindow>& rxSharedWindow,
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const Reference<awt::XWindow>& rxWindow)
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: mxUpdateCanvas(rxUpdateCanvas),
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mxUpdateWindow(rxUpdateWindow),
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mxSharedCanvas(rxSharedCanvas),
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mxSharedWindow(rxSharedWindow),
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mxWindow(rxWindow),
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mbOffsetUpdatePending(true)
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{
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if (mxWindow.is())
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mxWindow->addWindowListener(this);
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if (mxUpdateCanvas.is())
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{
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m_pUpdateRequester = CanvasUpdateRequester::Instance(mxUpdateCanvas);
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}
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}
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PresenterCanvas::~PresenterCanvas()
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{
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}
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void PresenterCanvas::disposing(std::unique_lock<std::mutex>&)
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{
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if (mxWindow.is())
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{
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mxWindow->removeWindowListener(this);
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mxWindow.clear();
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}
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}
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//----- XCanvas ---------------------------------------------------------------
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void SAL_CALL PresenterCanvas::clear()
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{
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ThrowIfDisposed();
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// ToDo: Clear the area covered by the child window. A simple forward
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// would clear the whole shared canvas.
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}
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void SAL_CALL PresenterCanvas::drawPoint (
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const css::geometry::RealPoint2D& aPoint,
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const css::rendering::ViewState& aViewState,
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const css::rendering::RenderState& aRenderState)
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{
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ThrowIfDisposed();
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mxSharedCanvas->drawPoint(aPoint,MergeViewState(aViewState),aRenderState);
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}
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void SAL_CALL PresenterCanvas::drawLine (
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const css::geometry::RealPoint2D& aStartPoint,
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const css::geometry::RealPoint2D& aEndPoint,
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const css::rendering::ViewState& aViewState,
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const css::rendering::RenderState& aRenderState)
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{
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ThrowIfDisposed();
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mxSharedCanvas->drawLine(aStartPoint,aEndPoint,MergeViewState(aViewState),aRenderState);
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}
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void SAL_CALL PresenterCanvas::drawBezier (
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const css::geometry::RealBezierSegment2D& aBezierSegment,
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const css::geometry::RealPoint2D& aEndPoint,
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const css::rendering::ViewState& aViewState,
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const css::rendering::RenderState& aRenderState)
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{
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ThrowIfDisposed();
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mxSharedCanvas->drawBezier(aBezierSegment,aEndPoint,MergeViewState(aViewState),aRenderState);
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}
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css::uno::Reference<css::rendering::XCachedPrimitive> SAL_CALL PresenterCanvas::drawPolyPolygon (
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const css::uno::Reference< css::rendering::XPolyPolygon2D >& xPolyPolygon,
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const css::rendering::ViewState& aViewState,
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const css::rendering::RenderState& aRenderState)
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{
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ThrowIfDisposed();
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return mxSharedCanvas->drawPolyPolygon(
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xPolyPolygon, MergeViewState(aViewState), aRenderState);
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}
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css::uno::Reference<css::rendering::XCachedPrimitive> SAL_CALL PresenterCanvas::strokePolyPolygon (
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const css::uno::Reference< css::rendering::XPolyPolygon2D >& xPolyPolygon,
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const css::rendering::ViewState& aViewState,
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const css::rendering::RenderState& aRenderState,
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const css::rendering::StrokeAttributes& aStrokeAttributes)
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{
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ThrowIfDisposed();
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return mxSharedCanvas->strokePolyPolygon(
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xPolyPolygon, MergeViewState(aViewState), aRenderState, aStrokeAttributes);
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}
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css::uno::Reference<css::rendering::XCachedPrimitive> SAL_CALL
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PresenterCanvas::strokeTexturedPolyPolygon (
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const css::uno::Reference< css::rendering::XPolyPolygon2D >& xPolyPolygon,
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const css::rendering::ViewState& aViewState,
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const css::rendering::RenderState& aRenderState,
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const css::uno::Sequence< css::rendering::Texture >& aTextures,
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const css::rendering::StrokeAttributes& aStrokeAttributes)
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{
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ThrowIfDisposed();
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return mxSharedCanvas->strokeTexturedPolyPolygon(
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xPolyPolygon, MergeViewState(aViewState), aRenderState, aTextures, aStrokeAttributes);
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}
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css::uno::Reference<css::rendering::XCachedPrimitive> SAL_CALL
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PresenterCanvas::strokeTextureMappedPolyPolygon(
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const css::uno::Reference<css::rendering::XPolyPolygon2D >& xPolyPolygon,
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const css::rendering::ViewState& aViewState,
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const css::rendering::RenderState& aRenderState,
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const css::uno::Sequence<css::rendering::Texture>& aTextures,
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const css::uno::Reference<css::geometry::XMapping2D>& xMapping,
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const css::rendering::StrokeAttributes& aStrokeAttributes)
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{
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ThrowIfDisposed();
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return mxSharedCanvas->strokeTextureMappedPolyPolygon(
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xPolyPolygon,
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MergeViewState(aViewState),
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aRenderState,
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aTextures,
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xMapping,
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aStrokeAttributes);
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}
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css::uno::Reference<css::rendering::XPolyPolygon2D> SAL_CALL
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PresenterCanvas::queryStrokeShapes(
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const css::uno::Reference<css::rendering::XPolyPolygon2D>& xPolyPolygon,
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const css::rendering::ViewState& aViewState,
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const css::rendering::RenderState& aRenderState,
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const css::rendering::StrokeAttributes& aStrokeAttributes)
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{
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ThrowIfDisposed();
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return mxSharedCanvas->queryStrokeShapes(
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xPolyPolygon, MergeViewState(aViewState), aRenderState, aStrokeAttributes);
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}
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css::uno::Reference<css::rendering::XCachedPrimitive> SAL_CALL
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PresenterCanvas::fillPolyPolygon(
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const css::uno::Reference<css::rendering::XPolyPolygon2D>& xPolyPolygon,
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const css::rendering::ViewState& aViewState,
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const css::rendering::RenderState& aRenderState)
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{
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ThrowIfDisposed();
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return mxSharedCanvas->fillPolyPolygon(
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xPolyPolygon, MergeViewState(aViewState), aRenderState);
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}
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css::uno::Reference<css::rendering::XCachedPrimitive> SAL_CALL
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PresenterCanvas::fillTexturedPolyPolygon(
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const css::uno::Reference<css::rendering::XPolyPolygon2D>& xPolyPolygon,
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const css::rendering::ViewState& aViewState,
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const css::rendering::RenderState& aRenderState,
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const css::uno::Sequence<css::rendering::Texture>& xTextures)
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{
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ThrowIfDisposed();
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return mxSharedCanvas->fillTexturedPolyPolygon(
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xPolyPolygon, MergeViewState(aViewState), aRenderState, xTextures);
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}
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css::uno::Reference<css::rendering::XCachedPrimitive> SAL_CALL
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PresenterCanvas::fillTextureMappedPolyPolygon(
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const css::uno::Reference< css::rendering::XPolyPolygon2D >& xPolyPolygon,
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const css::rendering::ViewState& aViewState,
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const css::rendering::RenderState& aRenderState,
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const css::uno::Sequence< css::rendering::Texture >& xTextures,
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const css::uno::Reference< css::geometry::XMapping2D >& xMapping)
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{
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ThrowIfDisposed();
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return mxSharedCanvas->fillTextureMappedPolyPolygon(
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xPolyPolygon, MergeViewState(aViewState), aRenderState, xTextures, xMapping);
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}
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css::uno::Reference<css::rendering::XCanvasFont> SAL_CALL
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PresenterCanvas::createFont(
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const css::rendering::FontRequest& aFontRequest,
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const css::uno::Sequence< css::beans::PropertyValue >& aExtraFontProperties,
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const css::geometry::Matrix2D& aFontMatrix)
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{
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ThrowIfDisposed();
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return mxSharedCanvas->createFont(
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aFontRequest, aExtraFontProperties, aFontMatrix);
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}
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css::uno::Sequence<css::rendering::FontInfo> SAL_CALL
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PresenterCanvas::queryAvailableFonts(
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const css::rendering::FontInfo& aFilter,
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const css::uno::Sequence< css::beans::PropertyValue >& aFontProperties)
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{
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ThrowIfDisposed();
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return mxSharedCanvas->queryAvailableFonts(aFilter, aFontProperties);
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}
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css::uno::Reference<css::rendering::XCachedPrimitive> SAL_CALL
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PresenterCanvas::drawText(
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const css::rendering::StringContext& aText,
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const css::uno::Reference< css::rendering::XCanvasFont >& xFont,
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const css::rendering::ViewState& aViewState,
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const css::rendering::RenderState& aRenderState,
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::sal_Int8 nTextDirection)
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{
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ThrowIfDisposed();
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return mxSharedCanvas->drawText(
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aText, xFont, MergeViewState(aViewState), aRenderState, nTextDirection);
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}
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css::uno::Reference<css::rendering::XCachedPrimitive> SAL_CALL
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PresenterCanvas::drawTextLayout(
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const css::uno::Reference< css::rendering::XTextLayout >& xLayoutetText,
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const css::rendering::ViewState& aViewState,
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const css::rendering::RenderState& aRenderState)
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{
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ThrowIfDisposed();
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return mxSharedCanvas->drawTextLayout(
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xLayoutetText, MergeViewState(aViewState), aRenderState);
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}
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css::uno::Reference<css::rendering::XCachedPrimitive> SAL_CALL
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PresenterCanvas::drawBitmap(
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const css::uno::Reference< css::rendering::XBitmap >& xBitmap,
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const css::rendering::ViewState& aViewState,
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const css::rendering::RenderState& aRenderState)
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{
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ThrowIfDisposed();
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return mxSharedCanvas->drawBitmap(
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xBitmap, MergeViewState(aViewState), aRenderState);
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}
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css::uno::Reference<css::rendering::XCachedPrimitive> SAL_CALL
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PresenterCanvas::drawBitmapModulated(
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const css::uno::Reference< css::rendering::XBitmap>& xBitmap,
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const css::rendering::ViewState& aViewState,
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const css::rendering::RenderState& aRenderState)
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{
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ThrowIfDisposed();
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return mxSharedCanvas->drawBitmapModulated(
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xBitmap, MergeViewState(aViewState), aRenderState);
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}
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css::uno::Reference<css::rendering::XGraphicDevice> SAL_CALL
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PresenterCanvas::getDevice()
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{
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ThrowIfDisposed();
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return mxSharedCanvas->getDevice();
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}
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//----- XSpriteCanvas ---------------------------------------------------------
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Reference<rendering::XAnimatedSprite> SAL_CALL
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PresenterCanvas::createSpriteFromAnimation (
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const css::uno::Reference<css::rendering::XAnimation>& rAnimation)
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{
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ThrowIfDisposed();
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Reference<rendering::XSpriteCanvas> xSpriteCanvas (mxSharedCanvas, UNO_QUERY);
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if (xSpriteCanvas.is())
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return xSpriteCanvas->createSpriteFromAnimation(rAnimation);
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else
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return nullptr;
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}
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Reference<rendering::XAnimatedSprite> SAL_CALL
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PresenterCanvas::createSpriteFromBitmaps (
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const css::uno::Sequence<
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css::uno::Reference< css::rendering::XBitmap > >& rAnimationBitmaps,
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::sal_Int8 nInterpolationMode)
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{
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ThrowIfDisposed();
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Reference<rendering::XSpriteCanvas> xSpriteCanvas (mxSharedCanvas, UNO_QUERY);
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if (xSpriteCanvas.is())
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return xSpriteCanvas->createSpriteFromBitmaps(rAnimationBitmaps, nInterpolationMode);
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else
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return nullptr;
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}
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Reference<rendering::XCustomSprite> SAL_CALL
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PresenterCanvas::createCustomSprite (
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const css::geometry::RealSize2D& rSpriteSize)
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{
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ThrowIfDisposed();
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Reference<rendering::XSpriteCanvas> xSpriteCanvas (mxSharedCanvas, UNO_QUERY);
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if (xSpriteCanvas.is())
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return new PresenterCustomSprite(
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this,
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xSpriteCanvas->createCustomSprite(rSpriteSize),
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mxSharedWindow);
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else if (mxUpdateCanvas.is())
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return new PresenterCustomSprite(
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this,
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mxUpdateCanvas->createCustomSprite(rSpriteSize),
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mxUpdateWindow);
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else
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return nullptr;
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}
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Reference<rendering::XSprite> SAL_CALL
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PresenterCanvas::createClonedSprite (
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const css::uno::Reference< css::rendering::XSprite >& rxOriginal)
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{
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ThrowIfDisposed();
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Reference<rendering::XSpriteCanvas> xSpriteCanvas (mxSharedCanvas, UNO_QUERY);
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if (xSpriteCanvas.is())
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return xSpriteCanvas->createClonedSprite(rxOriginal);
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if (mxUpdateCanvas.is())
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return mxUpdateCanvas->createClonedSprite(rxOriginal);
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return nullptr;
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}
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sal_Bool SAL_CALL PresenterCanvas::updateScreen (sal_Bool bUpdateAll)
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{
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ThrowIfDisposed();
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mbOffsetUpdatePending = true;
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if (m_pUpdateRequester != nullptr)
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{
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m_pUpdateRequester->RequestUpdate(bUpdateAll);
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return true;
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}
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else
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{
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return false;
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}
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}
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//----- XEventListener --------------------------------------------------------
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void SAL_CALL PresenterCanvas::disposing (const css::lang::EventObject& rEvent)
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{
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ThrowIfDisposed();
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if (rEvent.Source == mxWindow)
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mxWindow = nullptr;
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}
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//----- XWindowListener -------------------------------------------------------
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void SAL_CALL PresenterCanvas::windowResized (const css::awt::WindowEvent&)
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{
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ThrowIfDisposed();
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mbOffsetUpdatePending = true;
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}
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void SAL_CALL PresenterCanvas::windowMoved (const css::awt::WindowEvent&)
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{
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ThrowIfDisposed();
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mbOffsetUpdatePending = true;
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}
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void SAL_CALL PresenterCanvas::windowShown (const css::lang::EventObject&)
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{
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ThrowIfDisposed();
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mbOffsetUpdatePending = true;
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}
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void SAL_CALL PresenterCanvas::windowHidden (const css::lang::EventObject&)
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{
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ThrowIfDisposed();
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}
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//----- XBitmap ---------------------------------------------------------------
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geometry::IntegerSize2D SAL_CALL PresenterCanvas::getSize()
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{
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ThrowIfDisposed();
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if (mxWindow.is())
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{
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const awt::Rectangle aWindowBox (mxWindow->getPosSize());
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return geometry::IntegerSize2D(aWindowBox.Width, aWindowBox.Height);
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}
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else
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return geometry::IntegerSize2D(0,0);
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}
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sal_Bool SAL_CALL PresenterCanvas::hasAlpha()
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{
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Reference<rendering::XBitmap> xBitmap (mxSharedCanvas, UNO_QUERY);
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if (xBitmap.is())
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return xBitmap->hasAlpha();
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else
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return false;
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}
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Reference<rendering::XBitmap> SAL_CALL PresenterCanvas::getScaledBitmap(
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const css::geometry::RealSize2D&,
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sal_Bool)
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{
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ThrowIfDisposed();
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// Not implemented.
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return nullptr;
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}
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rendering::ViewState PresenterCanvas::MergeViewState (
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const rendering::ViewState& rViewState)
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{
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// Make sure the offset is up-to-date.
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if (mbOffsetUpdatePending)
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maOffset = GetOffset(mxSharedWindow);
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return MergeViewState(rViewState, maOffset);
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}
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css::rendering::ViewState PresenterCanvas::MergeViewState (
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const css::rendering::ViewState& rViewState,
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|
const css::awt::Point& rOffset)
|
|
{
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|
// Early rejects.
|
|
if ( ! mxSharedCanvas.is())
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|
return rViewState;
|
|
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Reference<rendering::XGraphicDevice> xDevice (mxSharedCanvas->getDevice());
|
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if ( ! xDevice.is())
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|
return rViewState;
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|
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// Create a modifiable copy of the given view state.
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|
rendering::ViewState aViewState (rViewState);
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|
|
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// Prepare the local clip rectangle.
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::basegfx::B2DRectangle aWindowRange (GetClipRectangle(aViewState.AffineTransform, rOffset));
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|
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// Adapt the offset of the view state.
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aViewState.AffineTransform.m02 += rOffset.X;
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aViewState.AffineTransform.m12 += rOffset.Y;
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|
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// Adapt the clip polygon.
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|
if ( ! aViewState.Clip.is())
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|
{
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// Cancel out the later multiplication with the view state
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// transformation.
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|
aViewState.Clip = ::basegfx::unotools::xPolyPolygonFromB2DPolyPolygon(
|
|
xDevice,
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|
::basegfx::B2DPolyPolygon(::basegfx::utils::createPolygonFromRect(aWindowRange)));
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|
}
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|
else
|
|
{
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|
// Have to compute the intersection of the given clipping polygon in
|
|
// the view state and the local clip rectangle.
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|
|
|
// Clip the view state clipping polygon against the local clip rectangle.
|
|
const ::basegfx::B2DPolyPolygon aClipPolygon (
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|
::basegfx::unotools::b2DPolyPolygonFromXPolyPolygon2D(
|
|
aViewState.Clip));
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const ::basegfx::B2DPolyPolygon aClippedClipPolygon (
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::basegfx::utils::clipPolyPolygonOnRange(
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|
aClipPolygon,
|
|
aWindowRange,
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|
true, /* bInside */
|
|
false /* bStroke */));
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|
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aViewState.Clip = ::basegfx::unotools::xPolyPolygonFromB2DPolyPolygon(
|
|
xDevice,
|
|
aClippedClipPolygon);
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|
}
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|
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|
return aViewState;
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|
}
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|
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awt::Point PresenterCanvas::GetOffset (const Reference<awt::XWindow>& rxBaseWindow)
|
|
{
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|
mbOffsetUpdatePending = false;
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|
if (mxWindow.is() && rxBaseWindow.is())
|
|
{
|
|
VclPtr<vcl::Window> pWindow = VCLUnoHelper::GetWindow(mxWindow);
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|
VclPtr<vcl::Window> pSharedWindow = VCLUnoHelper::GetWindow(rxBaseWindow);
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|
if (pWindow && pSharedWindow)
|
|
{
|
|
::tools::Rectangle aBox = pWindow->GetWindowExtentsRelative(*pSharedWindow);
|
|
|
|
// Calculate offset of this canvas with respect to the shared
|
|
// canvas.
|
|
return awt::Point(aBox.Left(), aBox.Top());
|
|
}
|
|
}
|
|
|
|
return awt::Point(0, 0);
|
|
}
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|
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::basegfx::B2DRectangle PresenterCanvas::GetClipRectangle (
|
|
const css::geometry::AffineMatrix2D& rViewTransform,
|
|
const awt::Point& rOffset)
|
|
{
|
|
VclPtr<vcl::Window> pWindow = VCLUnoHelper::GetWindow(mxWindow);
|
|
if (!pWindow)
|
|
return ::basegfx::B2DRectangle();
|
|
|
|
VclPtr<vcl::Window> pSharedWindow = VCLUnoHelper::GetWindow(mxSharedWindow);
|
|
if (!pSharedWindow)
|
|
return ::basegfx::B2DRectangle();
|
|
|
|
// Get the bounding box of the window and create a range in the
|
|
// coordinate system of the child window.
|
|
// Use the window extents.
|
|
::tools::Rectangle aLocalClip = pWindow->GetWindowExtentsRelative(*pSharedWindow);
|
|
|
|
// The local clip rectangle is used to clip the view state clipping
|
|
// polygon.
|
|
::basegfx::B2DRectangle aWindowRectangle (
|
|
aLocalClip.Left() - rOffset.X,
|
|
aLocalClip.Top() - rOffset.Y,
|
|
aLocalClip.Right() - rOffset.X + 1,
|
|
aLocalClip.Bottom() - rOffset.Y + 1);
|
|
|
|
// Calculate the inverted view state transformation to cancel out a
|
|
// later transformation of the local clip polygon with the view state
|
|
// transformation.
|
|
::basegfx::B2DHomMatrix aInvertedViewStateTransformation;
|
|
::basegfx::unotools::homMatrixFromAffineMatrix(
|
|
aInvertedViewStateTransformation,
|
|
rViewTransform);
|
|
if (aInvertedViewStateTransformation.invert())
|
|
{
|
|
// Cancel out the later multiplication with the view state
|
|
// transformation.
|
|
aWindowRectangle.transform(aInvertedViewStateTransformation);
|
|
}
|
|
|
|
return aWindowRectangle;
|
|
}
|
|
|
|
Reference<rendering::XPolyPolygon2D> PresenterCanvas::UpdateSpriteClip (
|
|
const Reference<rendering::XPolyPolygon2D>& rxOriginalClip,
|
|
const geometry::RealPoint2D& rLocation)
|
|
{
|
|
// Check used resources and just return the original clip when not
|
|
// every one of them is available.
|
|
if ( ! mxWindow.is())
|
|
return rxOriginalClip;
|
|
|
|
Reference<rendering::XGraphicDevice> xDevice (mxSharedCanvas->getDevice());
|
|
if ( ! xDevice.is())
|
|
return rxOriginalClip;
|
|
|
|
// Determine the bounds of the clip rectangle (the window border) in the
|
|
// coordinate system of the sprite.
|
|
const awt::Rectangle aWindowBox (mxWindow->getPosSize());
|
|
const double nMinX (-rLocation.X);
|
|
const double nMinY (-rLocation.Y);
|
|
const double nMaxX (aWindowBox.Width-rLocation.X);
|
|
const double nMaxY (aWindowBox.Height-rLocation.Y);
|
|
|
|
// Create a clip polygon.
|
|
Reference<rendering::XPolyPolygon2D> xPolygon;
|
|
if (rxOriginalClip.is())
|
|
{
|
|
// Combine the original clip with the window clip.
|
|
const ::basegfx::B2DPolyPolygon aOriginalClip (
|
|
::basegfx::unotools::b2DPolyPolygonFromXPolyPolygon2D(rxOriginalClip));
|
|
::basegfx::B2DRectangle aWindowRange (nMinX, nMinY, nMaxX, nMaxY);
|
|
const ::basegfx::B2DPolyPolygon aClippedClipPolygon (
|
|
::basegfx::utils::clipPolyPolygonOnRange(
|
|
aOriginalClip,
|
|
aWindowRange,
|
|
true, /* bInside */
|
|
false /* bStroke */));
|
|
xPolygon = ::basegfx::unotools::xPolyPolygonFromB2DPolyPolygon(
|
|
xDevice,
|
|
aClippedClipPolygon);
|
|
}
|
|
else
|
|
{
|
|
// Create a new clip polygon from the window clip rectangle.
|
|
Sequence<Sequence<geometry::RealPoint2D> > aPoints
|
|
{
|
|
{
|
|
{ nMinX,nMinY },
|
|
{ nMaxX,nMinY },
|
|
{ nMaxX,nMaxY },
|
|
{ nMinX,nMaxY }
|
|
}
|
|
};
|
|
Reference<rendering::XLinePolyPolygon2D> xLinePolygon(
|
|
xDevice->createCompatibleLinePolyPolygon(aPoints));
|
|
if (xLinePolygon.is())
|
|
xLinePolygon->setClosed(0, true);
|
|
xPolygon = xLinePolygon;
|
|
}
|
|
|
|
return xPolygon;
|
|
}
|
|
|
|
void PresenterCanvas::ThrowIfDisposed()
|
|
{
|
|
if (m_bDisposed || ! mxSharedCanvas.is())
|
|
{
|
|
throw lang::DisposedException (u"PresenterCanvas object has already been disposed"_ustr,
|
|
static_cast<uno::XWeak*>(this));
|
|
}
|
|
}
|
|
|
|
//===== PresenterCustomSprite =================================================
|
|
|
|
PresenterCustomSprite::PresenterCustomSprite (
|
|
rtl::Reference<PresenterCanvas> pCanvas,
|
|
const Reference<rendering::XCustomSprite>& rxSprite,
|
|
const Reference<awt::XWindow>& rxBaseWindow)
|
|
: mpCanvas(std::move(pCanvas)),
|
|
mxSprite(rxSprite),
|
|
mxBaseWindow(rxBaseWindow),
|
|
maPosition(0,0)
|
|
{
|
|
}
|
|
|
|
void PresenterCustomSprite::disposing(std::unique_lock<std::mutex>&)
|
|
{
|
|
Reference<XComponent> xComponent (mxSprite, UNO_QUERY);
|
|
mxSprite = nullptr;
|
|
if (xComponent.is())
|
|
xComponent->dispose();
|
|
mpCanvas.clear();
|
|
}
|
|
|
|
//----- XSprite ---------------------------------------------------------------
|
|
|
|
void SAL_CALL PresenterCustomSprite::setAlpha (const double nAlpha)
|
|
{
|
|
ThrowIfDisposed();
|
|
mxSprite->setAlpha(nAlpha);
|
|
}
|
|
|
|
void SAL_CALL PresenterCustomSprite::move (
|
|
const geometry::RealPoint2D& rNewPos,
|
|
const rendering::ViewState& rViewState,
|
|
const rendering::RenderState& rRenderState)
|
|
{
|
|
ThrowIfDisposed();
|
|
maPosition = rNewPos;
|
|
mxSprite->move(
|
|
rNewPos,
|
|
mpCanvas->MergeViewState(rViewState, mpCanvas->GetOffset(mxBaseWindow)),
|
|
rRenderState);
|
|
// Clip sprite against window bounds. This call is necessary because
|
|
// sprite clipping is done in the coordinate system of the sprite.
|
|
// Therefore, after each change of the sprites location the window
|
|
// bounds have to be transformed into the sprites coordinate system.
|
|
clip(nullptr);
|
|
}
|
|
|
|
void SAL_CALL PresenterCustomSprite::transform (const geometry::AffineMatrix2D& rTransformation)
|
|
{
|
|
ThrowIfDisposed();
|
|
mxSprite->transform(rTransformation);
|
|
}
|
|
|
|
void SAL_CALL PresenterCustomSprite::clip (const Reference<rendering::XPolyPolygon2D>& rxClip)
|
|
{
|
|
ThrowIfDisposed();
|
|
// The clip region is expected in the coordinate system of the sprite.
|
|
// UpdateSpriteClip() integrates the window bounds, transformed into the
|
|
// sprites coordinate system, with the given clip.
|
|
mxSprite->clip(mpCanvas->UpdateSpriteClip(rxClip, maPosition));
|
|
}
|
|
|
|
void SAL_CALL PresenterCustomSprite::setPriority (const double nPriority)
|
|
{
|
|
ThrowIfDisposed();
|
|
mxSprite->setPriority(nPriority);
|
|
}
|
|
|
|
void SAL_CALL PresenterCustomSprite::show()
|
|
{
|
|
ThrowIfDisposed();
|
|
mxSprite->show();
|
|
}
|
|
|
|
void SAL_CALL PresenterCustomSprite::hide()
|
|
{
|
|
ThrowIfDisposed();
|
|
mxSprite->hide();
|
|
}
|
|
|
|
//----- XCustomSprite ---------------------------------------------------------
|
|
|
|
Reference<rendering::XCanvas> PresenterCustomSprite::getContentCanvas()
|
|
{
|
|
ThrowIfDisposed();
|
|
return mxSprite->getContentCanvas();
|
|
}
|
|
|
|
void PresenterCustomSprite::ThrowIfDisposed()
|
|
{
|
|
if (m_bDisposed || ! mxSprite.is())
|
|
{
|
|
throw lang::DisposedException (u"PresenterCustomSprite object has already been disposed"_ustr,
|
|
static_cast<uno::XWeak*>(this));
|
|
}
|
|
}
|
|
|
|
} // end of namespace ::sd::presenter
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|