/*

 * 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.  Sun designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

 * CA 95054 USA or visit www.sun.com if you need additional information or

 * have any questions.

 *

 */

/*

 *

 * (C) Copyright IBM Corp. 1998-2004 - All Rights Reserved

 *

 */

#include "LETypes.h"

#include "OpenTypeTables.h"

#include "OpenTypeUtilities.h"

#include "ClassDefinitionTables.h"

#include "LESwaps.h"

le_int32 ClassDefinitionTable::getGlyphClass(LEGlyphID glyphID) const

{

    switch(SWAPW(classFormat)) {

    case 0:

        return 0;

    case 1:

    {

        const ClassDefFormat1Table *f1Table = (const ClassDefFormat1Table *) this;

        return f1Table->getGlyphClass(glyphID);

    }

    case 2:

    {

        const ClassDefFormat2Table *f2Table = (const ClassDefFormat2Table *) this;

        return f2Table->getGlyphClass(glyphID);

    }

    default:

        return 0;

    }

}

le_bool ClassDefinitionTable::hasGlyphClass(le_int32 glyphClass) const

{

    switch(SWAPW(classFormat)) {

    case 0:

        return 0;

    case 1:

    {

        const ClassDefFormat1Table *f1Table = (const ClassDefFormat1Table *) this;

        return f1Table->hasGlyphClass(glyphClass);

    }

    case 2:

    {

        const ClassDefFormat2Table *f2Table = (const ClassDefFormat2Table *) this;

        return f2Table->hasGlyphClass(glyphClass);

    }

    default:

        return 0;

    }

}

le_int32 ClassDefFormat1Table::getGlyphClass(LEGlyphID glyphID) const

{

    TTGlyphID ttGlyphID  = (TTGlyphID) LE_GET_GLYPH(glyphID);

    TTGlyphID firstGlyph = SWAPW(startGlyph);

    TTGlyphID lastGlyph  = firstGlyph + SWAPW(glyphCount);

    if (ttGlyphID > firstGlyph && ttGlyphID < lastGlyph) {

        return SWAPW(classValueArray[ttGlyphID - firstGlyph]);

    }

    return 0;

}

le_bool ClassDefFormat1Table::hasGlyphClass(le_int32 glyphClass) const

{

    le_uint16 count  = SWAPW(glyphCount);

    int i;

    for (i = 0; i < count; i += 1) {

        if (SWAPW(classValueArray[i]) == glyphClass) {

            return TRUE;

        }

    }

    return FALSE;

}

le_int32 ClassDefFormat2Table::getGlyphClass(LEGlyphID glyphID) const

{

    TTGlyphID ttGlyph    = (TTGlyphID) LE_GET_GLYPH(glyphID);

    le_uint16 rangeCount = SWAPW(classRangeCount);

    le_int32  rangeIndex =

        OpenTypeUtilities::getGlyphRangeIndex(ttGlyph, classRangeRecordArray, rangeCount);

    if (rangeIndex < 0) {

        return 0;

    }

    return SWAPW(classRangeRecordArray[rangeIndex].rangeValue);

}

le_bool ClassDefFormat2Table::hasGlyphClass(le_int32 glyphClass) const

{

    le_uint16 rangeCount = SWAPW(classRangeCount);

    int i;

    for (i = 0; i < rangeCount; i += 1) {

        if (SWAPW(classRangeRecordArray[i].rangeValue) == glyphClass) {

            return TRUE;

        }

    }

    return FALSE;

}