1 files changed, 94 insertions, 0 deletions
diff --git a/canvas/source/tools/pagemanager.hxx b/canvas/source/tools/pagemanager.hxx
new file mode 100644
index 000000000000..bf20b1d61e43
--- /dev/null
+++ b/canvas/source/tools/pagemanager.hxx
@@ -0,0 +1,94 @@
+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * 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.
+ *
+ ************************************************************************/
+
+#ifndef INCLUDED_CANVAS_PAGEMANAGER_HXX
+#define INCLUDED_CANVAS_PAGEMANAGER_HXX
+
+#include <basegfx/vector/b2isize.hxx>
+#include <canvas/rendering/irendermodule.hxx>
+#include <canvas/rendering/isurface.hxx>
+
+#include "page.hxx"
+
+namespace canvas
+{
+
+    //////////////////////////////////////////////////////////////////////////////////
+    // PageManager
+    //////////////////////////////////////////////////////////////////////////////////
+
+    class PageManager
+    {
+    public:
+        PageManager( const canvas::IRenderModuleSharedPtr pRenderModule ) :
+            mpRenderModule(pRenderModule)
+        {
+        }
+
+        // returns the maximum size of a hardware
+        // accelerated page, e.g. OpenGL texture.
+        ::basegfx::B2ISize getPageSize() const;
+
+        canvas::IRenderModuleSharedPtr getRenderModule() const;
+
+        FragmentSharedPtr allocateSpace( const ::basegfx::B2ISize& rSize );
+        void              free( const FragmentSharedPtr& pFragment );
+
+        void              nakedFragment( const FragmentSharedPtr& pFragment );
+
+        void              validatePages();
+
+    private:
+        // the pagemanager needs access to the rendermodule
+        // since we query for system resources from it.
+        canvas::IRenderModuleSharedPtr mpRenderModule;
+
+        // here we collect all fragments that will be created
+        // since we need them for relocation purposes.
+        typedef std::list<FragmentSharedPtr> FragmentContainer_t;
+        FragmentContainer_t maFragments;
+
+        // this is the container holding all created pages,
+        // behind the scenes these are real hardware surfaces.
+        typedef std::list<PageSharedPtr> PageContainer_t;
+        PageContainer_t maPages;
+
+        bool relocate( const FragmentSharedPtr& pFragment );
+    };
+
+    //////////////////////////////////////////////////////////////////////////////////
+    // PageManagerSharedPtr
+    //////////////////////////////////////////////////////////////////////////////////
+
+    typedef ::boost::shared_ptr< PageManager > PageManagerSharedPtr;
+
+    //////////////////////////////////////////////////////////////////////////////////
+    // End of file
+    //////////////////////////////////////////////////////////////////////////////////
+}
+
+#endif