1 files changed, 131 insertions, 0 deletions
diff --git a/vcl/source/glyphs/graphite_textsrc.hxx b/vcl/source/glyphs/graphite_textsrc.hxx
new file mode 100644
index 000000000000..6f701988bb01
--- /dev/null
+++ b/vcl/source/glyphs/graphite_textsrc.hxx
@@ -0,0 +1,131 @@
+/*************************************************************************
+ *
+ * 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:  $
+ * $Revision:  $
+ *
+ * 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 _SV_GRAPHITETEXTSRC_HXX
+#define _SV_GRAPHITETEXTSRC_HXX
+// Description: Implements the Graphite interfaces IGrTextSource and
+//              IGrGraphics which provide Graphite with access to the
+//              app's text storage system and the platform's font and
+//              graphics systems.
+
+// We need this to enable namespace support in libgrengine headers.
+#define GR_NAMESPACE
+
+// Standard Library
+#include <stdexcept>
+// Platform
+
+#ifndef _SVWIN_H
+#include <tools/svwin.h>
+#endif
+
+#ifndef _SV_SVSYS_HXX
+#include <svsys.h>
+#endif
+
+#ifndef _SV_SALGDI_HXX
+#include <vcl/salgdi.hxx>
+#endif
+
+#ifndef _SV_SALLAYOUT_HXX
+#include <vcl/sallayout.hxx>
+#endif
+
+// Module
+#include "vcl/dllapi.h"
+
+// Libraries
+#include <graphite/GrClient.h>
+#include <graphite/Font.h>
+#include <graphite/ITextSource.h>
+
+// Module type definitions and forward declarations.
+//
+namespace grutils
+{
+    class GrFeatureParser;
+}
+// Implements the Adaptor pattern to adapt the LayoutArgs and the ServerFont interfaces to the
+// gr::IGrTextSource interface.
+// @author tse
+//
+class TextSourceAdaptor : public gr::ITextSource
+{
+public:
+        TextSourceAdaptor(ImplLayoutArgs &layout_args, const int nContextLen) throw();
+        ~TextSourceAdaptor();
+        virtual gr::UtfType     utfEncodingForm();
+        virtual size_t          getLength();
+        virtual size_t          fetch(gr::toffset ichMin, size_t cch, gr::utf32 * prgchBuffer);
+        virtual size_t          fetch(gr::toffset ichMin, size_t cch, gr::utf16 * prgchwBuffer);
+        virtual size_t          fetch(gr::toffset ichMin, size_t cch, gr::utf8  * prgchsBuffer);
+        virtual bool            getRightToLeft(gr::toffset ich);
+        virtual unsigned int    getDirectionDepth(gr::toffset ich);
+        virtual float           getVerticalOffset(gr::toffset ich);
+        virtual gr::isocode     getLanguage(gr::toffset ich);
+
+        virtual std::pair<gr::toffset, gr::toffset> propertyRange(gr::toffset ich);
+        virtual size_t  getFontFeatures(gr::toffset ich, gr::FeatureSetting * prgfset);
+        virtual bool    sameSegment(gr::toffset ich1, gr::toffset ich2);
+
+        operator ImplLayoutArgs & () throw();
+        void setFeatures(const grutils::GrFeatureParser * pFeatures);
+        const ImplLayoutArgs & getLayoutArgs() const { return maLayoutArgs; }
+        size_t          getContextLength() const { return mnEnd; };
+        inline void switchLayoutArgs(ImplLayoutArgs & newArgs);
+private:
+        // Prevent the generation of a default assignment operator.
+        TextSourceAdaptor & operator=(const TextSourceAdaptor &);
+
+        void getCharProperties(const int, int &, int &, size_t &);
+
+        ImplLayoutArgs  maLayoutArgs;
+        size_t    mnEnd;
+        const grutils::GrFeatureParser * mpFeatures;
+};
+
+inline TextSourceAdaptor::TextSourceAdaptor(ImplLayoutArgs &la, const int nContextLen) throw()
+  : maLayoutArgs(la),
+    mnEnd(std::min(la.mnLength, nContextLen)),
+    mpFeatures(NULL)
+{
+}
+
+inline  TextSourceAdaptor::operator ImplLayoutArgs & () throw() {
+        return maLayoutArgs;
+}
+
+inline void TextSourceAdaptor::switchLayoutArgs(ImplLayoutArgs & aNewArgs)
+{
+    mnEnd += aNewArgs.mnMinCharPos - maLayoutArgs.mnMinCharPos;
+    maLayoutArgs = aNewArgs;
+}
+
+#endif