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/**************************************************************
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the 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(sal_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
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