1 files changed, 172 insertions, 0 deletions
diff --git a/vcl/source/glyphs/graphite_textsrc.cxx b/vcl/source/glyphs/graphite_textsrc.cxx
new file mode 100644
index 000000000000..e8967701a52c
--- /dev/null
+++ b/vcl/source/glyphs/graphite_textsrc.cxx
@@ -0,0 +1,172 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*************************************************************************
+ *
+ * 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.
+ *
+ ************************************************************************/
+
+// MARKER(update_precomp.py): autogen include statement, do not remove
+#include "precompiled_vcl.hxx"
+
+// We need this to enable namespace support in libgrengine headers.
+#define GR_NAMESPACE
+
+// Header files
+//
+// Standard Library
+#include <string>
+#include <cassert>
+#include "graphite_textsrc.hxx"
+#include <vcl/graphite_features.hxx>
+
+// class TextSourceAdaptor implementation.
+//
+TextSourceAdaptor::~TextSourceAdaptor()
+{
+    delete mpFeatures;
+}
+
+gr::UtfType TextSourceAdaptor::utfEncodingForm() {
+    return gr::kutf16;
+}
+
+
+size_t TextSourceAdaptor::getLength()
+{
+    return maLayoutArgs.mnLength;
+}
+
+
+size_t  TextSourceAdaptor::fetch(gr::toffset, size_t, gr::utf32 *)
+{
+    assert(false);
+    return 0;
+}
+
+
+size_t  TextSourceAdaptor::fetch(gr::toffset offset, size_t char_count, gr::utf16 * char_buffer)
+{
+  assert(char_buffer);
+
+  size_t copy_count =  std::min(size_t(maLayoutArgs.mnLength), char_count);
+  std::copy(maLayoutArgs.mpStr + offset, maLayoutArgs.mpStr + offset + copy_count, char_buffer);
+
+  return copy_count;
+}
+
+
+size_t TextSourceAdaptor::fetch(gr::toffset, size_t, gr::utf8  *)
+{
+    assert(false);
+    return 0;
+}
+
+
+inline void TextSourceAdaptor::getCharProperties(const int nCharIdx, int & min, int & lim, size_t & depth)
+{
+    maLayoutArgs.ResetPos();
+    bool rtl = maLayoutArgs.mnFlags & SAL_LAYOUT_BIDI_RTL;
+    for(depth = ((rtl)? 1:0); maLayoutArgs.maRuns.GetRun(&min, &lim, &rtl); maLayoutArgs.maRuns.NextRun())
+    {
+        if (min > nCharIdx)
+            break;
+        // Only increase the depth when a change of direction occurs.
+        depth += int(rtl ^ bool(depth & 0x1));
+        if (min <= nCharIdx && nCharIdx < lim)
+            break;
+    }
+    // If there is no run for this position increment the depth, but don't
+    // change if this is out of bounds context
+    if (lim > 0 && nCharIdx >= lim && nCharIdx < maLayoutArgs.mnEndCharPos)
+        depth++;
+}
+
+
+bool TextSourceAdaptor::getRightToLeft(gr::toffset nCharIdx)
+{
+    size_t depth;
+    int min, lim = 0;
+    getCharProperties(nCharIdx, min, lim, depth);
+    //printf("getRtl %d,%x=%d\n", nCharIdx, maLayoutArgs.mpStr[nCharIdx], depth & 0x1);
+    return depth & 0x1;
+}
+
+
+unsigned int TextSourceAdaptor::getDirectionDepth(gr::toffset nCharIdx)
+{
+    size_t depth;
+    int min, lim;
+    getCharProperties(nCharIdx, min, lim, depth);
+    //printf("getDirectionDepth %d,%x=%d\n", nCharIdx, maLayoutArgs.mpStr[nCharIdx], depth);
+    return depth;
+}
+
+
+float TextSourceAdaptor::getVerticalOffset(gr::toffset)
+{
+    return 0.0f;    //TODO: Implement correctly
+}
+
+gr::isocode TextSourceAdaptor::getLanguage(gr::toffset)
+{
+    if (mpFeatures && mpFeatures->hasLanguage())
+        return mpFeatures->getLanguage();
+    gr::isocode unknown = {{0,0,0,0}};
+    return unknown;
+}
+
+ext_std::pair<gr::toffset, gr::toffset> TextSourceAdaptor::propertyRange(gr::toffset nCharIdx)
+{
+
+    if (nCharIdx < unsigned(maLayoutArgs.mnMinCharPos))
+        return ext_std::make_pair(0, maLayoutArgs.mnMinCharPos);
+
+    if (nCharIdx < mnEnd)
+        return ext_std::make_pair(maLayoutArgs.mnMinCharPos, mnEnd);
+
+    return ext_std::make_pair(mnEnd, maLayoutArgs.mnLength);
+}
+
+size_t TextSourceAdaptor::getFontFeatures(gr::toffset, gr::FeatureSetting * settings)
+{
+    if (mpFeatures) return mpFeatures->getFontFeatures(settings);
+    return 0;
+}
+
+
+bool TextSourceAdaptor::sameSegment(gr::toffset char_idx1, gr::toffset char_idx2)
+{
+    const ext_std::pair<gr::toffset, gr::toffset>
+    range1 = propertyRange(char_idx1),
+    range2 = propertyRange(char_idx2);
+
+    return range1 == range2;
+}
+
+void TextSourceAdaptor::setFeatures(const grutils::GrFeatureParser * pFeatures)
+{
+    mpFeatures = new grutils::GrFeatureParser(*pFeatures);
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */