138 lines
4 KiB
C++
138 lines
4 KiB
C++
/*************************************************************************
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* $RCSfile: SlsFontProvider.cxx,v $
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*
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* $Revision: 1.5 $
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*
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* last change: $Author: obo $ $Date: 2006-09-16 19:10:11 $
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*
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* The Contents of this file are made available subject to
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* the terms of GNU Lesser General Public License Version 2.1.
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*
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2005 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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************************************************************************/
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// MARKER(update_precomp.py): autogen include statement, do not remove
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#include "precompiled_sd.hxx"
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#include "view/SlsFontProvider.hxx"
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#include "controller/SlideSorterController.hxx"
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#include <sfx2/app.hxx>
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#include <com/sun/star/uno/RuntimeException.hpp>
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using namespace ::sd::slidesorter;
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namespace sd { namespace slidesorter { namespace view {
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FontProvider* FontProvider::mpInstance = NULL;
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FontProvider& FontProvider::Instance (void)
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{
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if (mpInstance == NULL)
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{
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::osl::GetGlobalMutex aMutexFunctor;
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::osl::MutexGuard aGuard (aMutexFunctor());
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if (mpInstance == NULL)
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{
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// Create an instance of the class and register it at the
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// SdGlobalResourceContainer so that it is eventually released.
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FontProvider* pInstance = new FontProvider();
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SdGlobalResourceContainer::Instance().AddResource (
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::std::auto_ptr<SdGlobalResource>(pInstance));
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OSL_DOUBLE_CHECKED_LOCKING_MEMORY_BARRIER();
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mpInstance = pInstance;
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}
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}
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else
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OSL_DOUBLE_CHECKED_LOCKING_MEMORY_BARRIER();
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// We throw an exception when for some strange reason no instance of
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// this class exists.
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if (mpInstance == NULL)
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throw ::com::sun::star::uno::RuntimeException(::rtl::OUString(
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RTL_CONSTASCII_USTRINGPARAM("com.sun.star.document.IndexedPropertyValues")),
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NULL);
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return *mpInstance;
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}
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FontProvider::FontProvider (void)
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: maFont(),
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maMapMode()
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{
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}
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FontProvider::~FontProvider (void)
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{
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}
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void FontProvider::Invalidate (void)
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{
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maFont.reset();
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}
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FontProvider::SharedFontPointer FontProvider::GetFont (const OutputDevice& rDevice)
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{
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// Reset the font when the map mode has changed since its creation.
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if (maMapMode != rDevice.GetMapMode())
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maFont.reset();
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if (maFont.get() == NULL)
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{
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// Initialize the font from the application style settings.
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maFont.reset(new Font (Application::GetSettings().GetStyleSettings().GetAppFont()));
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maFont->SetTransparent(TRUE);
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maFont->SetWeight(WEIGHT_NORMAL);
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// Transform the point size to pixel size.
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MapMode aFontMapMode (MAP_POINT);
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Size aFontSize (rDevice.LogicToPixel(maFont->GetSize(), aFontMapMode));
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// Transform the font size to the logical coordinates of the device.
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maFont->SetSize (rDevice.PixelToLogic(aFontSize));
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// Remember the map mode of the given device to detect different
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// devices or modified zoom scales on future calls.
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maMapMode = rDevice.GetMapMode();
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}
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return maFont;
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}
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} } } // end of namespace ::sd::slidesorter::view
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