text: /*
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.  Oracle designates this
   * particular file as subject to the "Classpath" exception as provided
   * by Oracle in the LICENSE file that accompanied this code.
   *
   * This code 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 General Public License
   * version 2 for more details (a copy is included in the LICENSE file that
   * accompanied this code).
   *
   * You should have received a copy of the GNU General Public License version
   * 2 along with this work; if not, write to the Free Software Foundation,
   * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
   *
   * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
   * or visit www.oracle.com if you need additional information or have any
   * questions.
   *
   */
  
  /*
   *
   * (C) Copyright IBM Corp.  and others 1998-2013 - All Rights Reserved
   *
   */
  
  #include "LETypes.h"
  #include "LayoutEngine.h"
  #include "GXLayoutEngine2.h"
  #include "LEGlyphStorage.h"
  #include "MorphTables.h"
  
  U_NAMESPACE_BEGIN
  
  UOBJECT_DEFINE_RTTI_IMPLEMENTATION(GXLayoutEngine2)
  
  GXLayoutEngine2::GXLayoutEngine2(const LEFontInstance *fontInstance, le_int32 scriptCode, le_int32 languageCode, const LEReferenceTo<MorphTableHeader2> &morphTable, le_int32 typoFlags, LEErrorCode &success)
    : LayoutEngine(fontInstance, scriptCode, languageCode, typoFlags, success), fMorphTable(morphTable)
  {
    // nothing else to do?
  }
  
  GXLayoutEngine2::~GXLayoutEngine2()
  {
      reset();
  }
  
  // apply 'morx' table
  le_int32 GXLayoutEngine2::computeGlyphs(const LEUnicode chars[], le_int32 offset, le_int32 count, le_int32 max, le_bool rightToLeft, LEGlyphStorage &glyphStorage, LEErrorCode &success)
  {
      if (LE_FAILURE(success)) {
          return 0;
      }
  
      if (chars == NULL || offset < 0 || count < 0 || max < 0 || offset >= max || offset + count > max) {
          success = LE_ILLEGAL_ARGUMENT_ERROR;
          return 0;
      }
  
      mapCharsToGlyphs(chars, offset, count, rightToLeft, rightToLeft, glyphStorage, success);
  
      if (LE_FAILURE(success)) {
          return 0;
      }
  
      fMorphTable->process(fMorphTable, glyphStorage, fTypoFlags, success);
      return count;
  }
  
  // apply positional tables
  void GXLayoutEngine2::adjustGlyphPositions(const LEUnicode chars[], le_int32 offset, le_int32 count, le_bool /*reverse*/,
                                            LEGlyphStorage &/*glyphStorage*/, LEErrorCode &success)
  {
      if (LE_FAILURE(success)) {
          return;
      }
  
      if (chars == NULL || offset < 0 || count < 0) {
          success = LE_ILLEGAL_ARGUMENT_ERROR;
          return;
      }
  
      // FIXME: no positional processing yet...
  }
  
  U_NAMESPACE_END
  