office-gobmx/sd/source/ui/slidesorter/view/SlsFontProvider.cxx
Vladimir Glazounov f685b850b0 INTEGRATION: CWS hub01 (1.5.324); FILE MERGED
2008/06/18 20:41:31 thb 1.5.324.2: RESYNC: (1.5-1.7); FILE MERGED
2008/01/23 02:13:14 hub 1.5.324.1: Fix a build warning about empty else statement (gcc 4.2.1)
2008-06-30 14:36:50 +00:00

135 lines
3.8 KiB
C++

/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: SlsFontProvider.cxx,v $
* $Revision: 1.8 $
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_sd.hxx"
#include "view/SlsFontProvider.hxx"
#include "controller/SlideSorterController.hxx"
#include <sfx2/app.hxx>
#include <com/sun/star/uno/RuntimeException.hpp>
using namespace ::sd::slidesorter;
namespace sd { namespace slidesorter { namespace view {
FontProvider* FontProvider::mpInstance = NULL;
FontProvider& FontProvider::Instance (void)
{
if (mpInstance == NULL)
{
::osl::GetGlobalMutex aMutexFunctor;
::osl::MutexGuard aGuard (aMutexFunctor());
if (mpInstance == NULL)
{
// Create an instance of the class and register it at the
// SdGlobalResourceContainer so that it is eventually released.
FontProvider* pInstance = new FontProvider();
SdGlobalResourceContainer::Instance().AddResource (
::std::auto_ptr<SdGlobalResource>(pInstance));
OSL_DOUBLE_CHECKED_LOCKING_MEMORY_BARRIER();
mpInstance = pInstance;
}
}
else
{
OSL_DOUBLE_CHECKED_LOCKING_MEMORY_BARRIER();
}
// We throw an exception when for some strange reason no instance of
// this class exists.
if (mpInstance == NULL)
throw ::com::sun::star::uno::RuntimeException(::rtl::OUString(
RTL_CONSTASCII_USTRINGPARAM("com.sun.star.document.IndexedPropertyValues")),
NULL);
return *mpInstance;
}
FontProvider::FontProvider (void)
: maFont(),
maMapMode()
{
}
FontProvider::~FontProvider (void)
{
}
void FontProvider::Invalidate (void)
{
maFont.reset();
}
FontProvider::SharedFontPointer FontProvider::GetFont (const OutputDevice& rDevice)
{
// Reset the font when the map mode has changed since its creation.
if (maMapMode != rDevice.GetMapMode())
maFont.reset();
if (maFont.get() == NULL)
{
// Initialize the font from the application style settings.
maFont.reset(new Font (Application::GetSettings().GetStyleSettings().GetAppFont()));
maFont->SetTransparent(TRUE);
maFont->SetWeight(WEIGHT_NORMAL);
// Transform the point size to pixel size.
MapMode aFontMapMode (MAP_POINT);
Size aFontSize (rDevice.LogicToPixel(maFont->GetSize(), aFontMapMode));
// Transform the font size to the logical coordinates of the device.
maFont->SetSize (rDevice.PixelToLogic(aFontSize));
// Remember the map mode of the given device to detect different
// devices or modified zoom scales on future calls.
maMapMode = rDevice.GetMapMode();
}
return maFont;
}
} } } // end of namespace ::sd::slidesorter::view