531 lines
17 KiB
C++
531 lines
17 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 "PresenterTextView.hxx"
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#include "facreg.hxx"
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#include <i18nlangtag/mslangid.hxx>
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#include <cppcanvas/vclfactory.hxx>
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#include <svl/itempool.hxx>
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#include <svl/itemset.hxx>
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#include <unotools/linguprops.hxx>
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#include <unotools/lingucfg.hxx>
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#include <editeng/colritem.hxx>
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#include <editeng/editeng.hxx>
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#include <editeng/editstat.hxx>
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#include <editeng/eeitem.hxx>
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#include <editeng/fhgtitem.hxx>
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#include <editeng/fontitem.hxx>
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#include <svx/xflclit.hxx>
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#include <vcl/bitmapex.hxx>
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#include <vcl/svapp.hxx>
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#include <vcl/virdev.hxx>
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#include <com/sun/star/awt/FontDescriptor.hpp>
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#include <com/sun/star/awt/Size.hpp>
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#include <com/sun/star/rendering/XSpriteCanvas.hpp>
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#include <com/sun/star/rendering/XBitmapCanvas.hpp>
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#include <com/sun/star/uno/XComponentContext.hpp>
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#include <com/sun/star/util/Color.hpp>
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#include <com/sun/star/i18n/ScriptType.hpp>
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using namespace ::com::sun::star;
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using namespace ::com::sun::star::uno;
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using namespace ::com::sun::star::lang;
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namespace sd { namespace presenter {
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// PresenterTextView::Implementation
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class PresenterTextView::Implementation
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{
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public:
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const OUString msTextPropertyName;
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const OUString msBitmapPropertyName;
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const OUString msSizePropertyName;
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const OUString msBackgroundColorPropertyName;
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const OUString msTextColorPropertyName;
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const OUString msFontDescriptorPropertyName;
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const OUString msTopPropertyName;
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const OUString msTopRelativePropertyName;
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const OUString msTotalHeightPropertyName;
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Implementation();
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~Implementation();
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void SetCanvas (const cppcanvas::CanvasSharedPtr& rCanvas);
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void SetSize (const Size aSize);
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void SetBackgroundColor (const Color aColor);
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void SetTextColor (const Color aColor);
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void SetFontDescriptor (const awt::FontDescriptor& rFontDescriptor);
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sal_Int32 GetTop() const { return mnTop;}
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void SetTop (const sal_Int32 nTop);
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void SetText (const OUString& Text);
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sal_Int32 ParseDistance (const OUString& rsDistance) const;
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Reference<rendering::XBitmap> GetBitmap();
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sal_Int32 GetTotalHeight();
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private:
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Reference<rendering::XBitmap> mxBitmap;
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cppcanvas::CanvasSharedPtr mpCanvas;
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VclPtr<VirtualDevice> mpOutputDevice;
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EditEngine* mpEditEngine;
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SfxItemPool* mpEditEngineItemPool;
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Size maSize;
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Color maBackgroundColor;
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Color maTextColor;
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OUString msText;
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sal_Int32 mnTop;
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sal_Int32 mnTotalHeight;
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EditEngine * GetEditEngine();
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EditEngine* CreateEditEngine();
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void CheckTop();
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};
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// PresenterTextView
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PresenterTextView::PresenterTextView (const Reference<XComponentContext>& rxContext)
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: PresenterTextViewInterfaceBase(),
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mpImplementation(new Implementation())
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{
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(void)rxContext;
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}
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PresenterTextView::~PresenterTextView()
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{
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}
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void SAL_CALL PresenterTextView::disposing()
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{
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mpImplementation.reset();
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}
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// XInitialization
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void SAL_CALL PresenterTextView::initialize (const Sequence<Any>& rArguments)
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throw (Exception, RuntimeException, std::exception)
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{
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ThrowIfDisposed();
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if (rArguments.getLength() == 1)
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{
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try
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{
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Reference<rendering::XCanvas> xCanvas (rArguments[0], UNO_QUERY_THROW);
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if (xCanvas.is())
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{
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mpImplementation->SetCanvas(
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cppcanvas::VCLFactory::createCanvas(xCanvas));
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}
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}
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catch (RuntimeException&)
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{
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throw;
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}
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}
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else
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{
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throw RuntimeException("PresenterTextView: invalid number of arguments",
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static_cast<XWeak*>(this));
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}
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}
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Any PresenterTextView::GetPropertyValue (const OUString& rsPropertyName)
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{
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ThrowIfDisposed();
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if (rsPropertyName == mpImplementation->msBitmapPropertyName)
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{
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return Any(mpImplementation->GetBitmap());
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}
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else if (rsPropertyName == mpImplementation->msTopPropertyName)
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{
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return Any(mpImplementation->GetTop());
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}
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else if (rsPropertyName == mpImplementation->msTotalHeightPropertyName)
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{
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return Any(mpImplementation->GetTotalHeight());
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}
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return Any();
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}
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Any PresenterTextView::SetPropertyValue (
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const OUString& rsPropertyName,
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const css::uno::Any& rValue)
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{
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ThrowIfDisposed();
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Any aOldValue;
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if (rsPropertyName == mpImplementation->msTextPropertyName)
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{
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OUString sText;
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if (rValue >>= sText)
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mpImplementation->SetText(sText);
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}
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else if (rsPropertyName == mpImplementation->msSizePropertyName)
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{
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awt::Size aSize;
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if (rValue >>= aSize)
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mpImplementation->SetSize(Size(aSize.Width,aSize.Height));
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}
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else if (rsPropertyName == mpImplementation->msBackgroundColorPropertyName)
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{
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util::Color aColor = util::Color();
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if (rValue >>= aColor)
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mpImplementation->SetBackgroundColor(Color(aColor));
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}
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else if (rsPropertyName == mpImplementation->msTextColorPropertyName)
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{
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util::Color aColor = util::Color();
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if (rValue >>= aColor)
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mpImplementation->SetTextColor(Color(aColor));
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}
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else if (rsPropertyName == mpImplementation->msFontDescriptorPropertyName)
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{
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awt::FontDescriptor aFontDescriptor;
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if (rValue >>= aFontDescriptor)
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mpImplementation->SetFontDescriptor(aFontDescriptor);
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}
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else if (rsPropertyName == mpImplementation->msTopPropertyName)
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{
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sal_Int32 nTop = 0;
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if (rValue >>= nTop)
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mpImplementation->SetTop(nTop);
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}
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else if (rsPropertyName == mpImplementation->msTopRelativePropertyName)
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{
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OUString sDistance;
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if (rValue >>= sDistance)
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mpImplementation->SetTop(
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mpImplementation->GetTop()
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+ mpImplementation->ParseDistance(sDistance));
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}
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return aOldValue;
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}
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void PresenterTextView::ThrowIfDisposed()
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throw (::com::sun::star::lang::DisposedException)
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{
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if (PresenterTextViewInterfaceBase::rBHelper.bDisposed
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|| PresenterTextViewInterfaceBase::rBHelper.bInDispose
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|| mpImplementation.get()==NULL)
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{
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throw lang::DisposedException ("PresenterTextView object has already been disposed",
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static_cast<uno::XWeak*>(this));
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}
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}
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// PresenterTextView::Implementation
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PresenterTextView::Implementation::Implementation()
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: msTextPropertyName("Text"),
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msBitmapPropertyName("Bitmap"),
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msSizePropertyName("Size"),
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msBackgroundColorPropertyName("BackgroundColor"),
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msTextColorPropertyName("TextColor"),
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msFontDescriptorPropertyName("FontDescriptor"),
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msTopPropertyName("Top"),
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msTopRelativePropertyName("RelativeTop"),
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msTotalHeightPropertyName("TotalHeight"),
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mxBitmap(),
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mpCanvas(),
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mpOutputDevice(VclPtr<VirtualDevice>::Create(*Application::GetDefaultDevice(), 0, 0)),
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mpEditEngine(NULL),
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mpEditEngineItemPool(EditEngine::CreatePool()),
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maSize(100,100),
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maBackgroundColor(0xffffffff),
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maTextColor(0x00000000),
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msText(),
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mnTop(0),
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mnTotalHeight(-1)
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{
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mpOutputDevice->SetMapMode(MAP_PIXEL);
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GetEditEngine();
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}
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PresenterTextView::Implementation::~Implementation()
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{
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delete mpEditEngine;
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SfxItemPool::Free(mpEditEngineItemPool);
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mpOutputDevice.disposeAndClear();
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}
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EditEngine * PresenterTextView::Implementation::GetEditEngine()
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{
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if (mpEditEngine == NULL)
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mpEditEngine = CreateEditEngine ();
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return mpEditEngine;
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}
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EditEngine* PresenterTextView::Implementation::CreateEditEngine()
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{
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EditEngine* pEditEngine = mpEditEngine;
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if (pEditEngine == NULL)
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{
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// set fonts to be used
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SvtLinguOptions aOpt;
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SvtLinguConfig().GetOptions( aOpt );
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struct FontDta {
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sal_Int16 nFallbackLang;
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sal_Int16 nLang;
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DefaultFontType nFontType;
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sal_uInt16 nFontInfoId;
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} aTable[3] =
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{
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// info to get western font to be used
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{ LANGUAGE_ENGLISH_US, LANGUAGE_NONE,
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DefaultFontType::SERIF, EE_CHAR_FONTINFO },
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// info to get CJK font to be used
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{ LANGUAGE_JAPANESE, LANGUAGE_NONE,
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DefaultFontType::CJK_TEXT, EE_CHAR_FONTINFO_CJK },
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// info to get CTL font to be used
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{ LANGUAGE_ARABIC_SAUDI_ARABIA, LANGUAGE_NONE,
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DefaultFontType::CTL_TEXT, EE_CHAR_FONTINFO_CTL }
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};
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aTable[0].nLang = MsLangId::resolveSystemLanguageByScriptType(aOpt.nDefaultLanguage, ::com::sun::star::i18n::ScriptType::LATIN);
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aTable[1].nLang = MsLangId::resolveSystemLanguageByScriptType(aOpt.nDefaultLanguage_CJK, ::com::sun::star::i18n::ScriptType::ASIAN);
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aTable[2].nLang = MsLangId::resolveSystemLanguageByScriptType(aOpt.nDefaultLanguage_CTL, ::com::sun::star::i18n::ScriptType::COMPLEX);
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for (int i = 0; i < 3; ++i)
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{
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const FontDta &rFntDta = aTable[i];
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LanguageType nLang = (LANGUAGE_NONE == rFntDta.nLang) ?
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rFntDta.nFallbackLang : rFntDta.nLang;
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vcl::Font aFont = OutputDevice::GetDefaultFont(
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rFntDta.nFontType, nLang, GetDefaultFontFlags::OnlyOne);
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mpEditEngineItemPool->SetPoolDefaultItem(
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SvxFontItem(
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aFont.GetFamily(),
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aFont.GetName(),
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aFont.GetStyleName(),
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aFont.GetPitch(),
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aFont.GetCharSet(),
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rFntDta.nFontInfoId));
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}
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pEditEngine = new EditEngine (mpEditEngineItemPool);
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pEditEngine->EnableUndo (true);
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pEditEngine->SetDefTab (sal_uInt16(
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Application::GetDefaultDevice()->GetTextWidth(OUString("XXXX"))));
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pEditEngine->SetControlWord(
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EEControlBits(pEditEngine->GetControlWord() | EEControlBits::AUTOINDENTING) &
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EEControlBits(~EEControlBits::UNDOATTRIBS) &
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EEControlBits(~EEControlBits::PASTESPECIAL) );
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pEditEngine->SetWordDelimiters (" .=+-*/(){}[];\"");
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pEditEngine->SetRefMapMode (MAP_PIXEL);
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pEditEngine->SetPaperSize (Size(800, 0));
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pEditEngine->EraseVirtualDevice();
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pEditEngine->ClearModifyFlag();
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}
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return pEditEngine;
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}
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void PresenterTextView::Implementation::SetCanvas (const cppcanvas::CanvasSharedPtr& rpCanvas)
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{
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mpCanvas = rpCanvas;
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mxBitmap = NULL;
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}
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void PresenterTextView::Implementation::SetSize (const Size aSize)
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{
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DBG_ASSERT(mpEditEngine!=NULL, "EditEngine missing");
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maSize = aSize;
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mpEditEngine->SetPaperSize(maSize);
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mnTotalHeight = -1;
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mxBitmap = NULL;
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}
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void PresenterTextView::Implementation::SetBackgroundColor (const Color aColor)
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{
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maBackgroundColor = aColor;
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mxBitmap = NULL;
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DBG_ASSERT(mpEditEngine!=NULL, "EditEngine missing");
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DBG_ASSERT(mpEditEngineItemPool!=NULL, "EditEngineItemPool missing");
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mpEditEngine->SetBackgroundColor(aColor);
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mpEditEngine->EnableAutoColor(false);
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mpEditEngine->ForceAutoColor(false);
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}
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void PresenterTextView::Implementation::SetTextColor (const Color aColor)
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{
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maTextColor = aColor;
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mxBitmap = NULL;
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DBG_ASSERT(mpEditEngineItemPool!=NULL, "EditEngineItemPool missing");
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mpEditEngineItemPool->SetPoolDefaultItem(SvxColorItem(aColor, EE_CHAR_COLOR));
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}
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void PresenterTextView::Implementation::SetFontDescriptor (
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const awt::FontDescriptor& rFontDescriptor)
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{
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mxBitmap = NULL;
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DBG_ASSERT(mpEditEngineItemPool!=NULL, "EditEngineItemPool missing");
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const sal_Int32 nFontHeight = rFontDescriptor.Height;
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SvxFontHeightItem aFontHeight(
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Application::GetDefaultDevice()->LogicToPixel(
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Size(0, nFontHeight), MapMode (MAP_POINT)).Height(),
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100,
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EE_CHAR_FONTHEIGHT);
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mpEditEngineItemPool->SetPoolDefaultItem( aFontHeight);
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aFontHeight.SetWhich (EE_CHAR_FONTHEIGHT_CJK);
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mpEditEngineItemPool->SetPoolDefaultItem( aFontHeight);
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aFontHeight.SetWhich (EE_CHAR_FONTHEIGHT_CTL);
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mpEditEngineItemPool->SetPoolDefaultItem( aFontHeight);
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SvxFontItem aSvxFontItem (EE_CHAR_FONTINFO);
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aSvxFontItem.SetFamilyName( rFontDescriptor.Name );
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mpEditEngineItemPool->SetPoolDefaultItem(aSvxFontItem);
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mnTotalHeight = -1;
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mxBitmap = NULL;
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CheckTop();
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mnTotalHeight = -1;
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}
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void PresenterTextView::Implementation::SetTop (const sal_Int32 nTop)
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{
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if (nTop == mnTop)
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return;
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mnTop = nTop;
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mxBitmap = NULL;
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CheckTop();
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}
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void PresenterTextView::Implementation::SetText (const OUString& rText)
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{
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DBG_ASSERT(mpEditEngine!=NULL, "EditEngine missing");
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msText = rText;
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mpEditEngine->SetPaperSize(maSize);
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mnTotalHeight = -1;
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mxBitmap = NULL;
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}
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sal_Int32 PresenterTextView::Implementation::ParseDistance (const OUString& rsDistance) const
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{
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DBG_ASSERT(mpEditEngine!=NULL, "EditEngine missing");
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sal_Int32 nDistance (0);
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if (rsDistance.endsWith("px"))
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{
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nDistance = rsDistance.copy(0,rsDistance.getLength()-2).toInt32();
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}
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else if (rsDistance.endsWith("l"))
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{
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const sal_Int32 nLines (rsDistance.copy(0,rsDistance.getLength()-1).toInt32());
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// Take the height of the first line as the height of every line.
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const sal_uInt32 nFirstLineHeight (mpEditEngine->GetLineHeight(0,0));
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nDistance = nFirstLineHeight * nLines;
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}
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return nDistance;
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}
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Reference<rendering::XBitmap> PresenterTextView::Implementation::GetBitmap()
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{
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DBG_ASSERT(mpEditEngine!=NULL, "EditEngine missing");
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if ( ! mxBitmap.is())
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{
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mpOutputDevice.disposeAndClear();
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mpOutputDevice = VclPtr<VirtualDevice>::Create(*Application::GetDefaultDevice(), 0, 0);
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mpOutputDevice->SetMapMode(MAP_PIXEL);
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mpOutputDevice->SetOutputSizePixel(maSize, true);
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mpOutputDevice->SetLineColor();
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mpOutputDevice->SetFillColor();
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mpOutputDevice->SetBackground(Wallpaper());
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mpOutputDevice->Erase();
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MapMode aMapMode (mpOutputDevice->GetMapMode());
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aMapMode.SetOrigin(Point(0,0));
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mpOutputDevice->SetMapMode(aMapMode);
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const Rectangle aWindowBox (Point(0,0), maSize);
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mpOutputDevice->DrawRect(aWindowBox);
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mpEditEngine->Clear();
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mpEditEngine->SetText(msText);
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mpEditEngine->SetPaperSize(maSize);
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mpEditEngine->Draw(mpOutputDevice, aWindowBox, Point(0,mnTop));
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const BitmapEx aBitmap (mpOutputDevice->GetBitmapEx(Point(0,0), maSize));
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mxBitmap = cppcanvas::VCLFactory::createBitmap(
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mpCanvas,
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aBitmap
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)->getUNOBitmap();
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}
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return mxBitmap;
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}
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sal_Int32 PresenterTextView::Implementation::GetTotalHeight()
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{
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DBG_ASSERT(mpEditEngine!=NULL, "EditEngine missing");
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if (mnTotalHeight < 0)
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{
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if ( ! mxBitmap.is())
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GetBitmap();
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mnTotalHeight = mpEditEngine->GetTextHeight();
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}
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return mnTotalHeight;
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}
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void PresenterTextView::Implementation::CheckTop()
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{
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DBG_ASSERT(mpEditEngine!=NULL, "EditEngine missing");
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if (mpEditEngine!=NULL && mnTotalHeight < 0)
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mnTotalHeight = mpEditEngine->GetTextHeight();
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if (mpEditEngine!=NULL && mnTop >= mnTotalHeight)
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mnTop = mnTotalHeight - mpEditEngine->GetLineHeight(0,0);
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if (mnTotalHeight < maSize.Height())
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mnTop = 0;
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if (mnTotalHeight - mnTop < maSize.Height())
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mnTop = mnTotalHeight - maSize.Height();
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if (mnTop < 0)
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mnTop = 0;
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}
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} } // end of namespace ::sd::presenter
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extern "C" SAL_DLLPUBLIC_EXPORT ::com::sun::star::uno::XInterface* SAL_CALL
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com_sun_star_comp_Draw_PresenterTextView_get_implementation(::com::sun::star::uno::XComponentContext* context,
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::com::sun::star::uno::Sequence<css::uno::Any> const &)
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{
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return cppu::acquire(new sd::presenter::PresenterTextView(context));
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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