1 files changed, 135 insertions, 0 deletions
diff --git a/sd/source/ui/slidesorter/view/SlsFontProvider.cxx b/sd/source/ui/slidesorter/view/SlsFontProvider.cxx
new file mode 100644
index 000000000000..a422f4031eae
--- /dev/null
+++ b/sd/source/ui/slidesorter/view/SlsFontProvider.cxx
@@ -0,0 +1,135 @@
+/*************************************************************************
+ *
+ * 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