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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file contains some parts of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/

#include <private/qfixed_p.h>
#include <private/qfontengine_p.h>

/* TODO: find a dynamic library with these symbols. */

/* Debian maintainer: this function is taken from qfiledialog.cpp */
/*
    Makes a list of filters from ;;-separated text.
    Used by the mac and windows implementations
*/
QStringList qt_make_filter_list(const QString &filter)
{
    QString f(filter);

    if (f.isEmpty())
        return QStringList();

    QString sep(QLatin1String(";;"));
    int i = f.indexOf(sep, 0);
    if (i == -1) {
        if (f.indexOf(QLatin1Char('\n'), 0) != -1) {
            sep = QLatin1Char('\n');
            i = f.indexOf(sep, 0);
        }
    }

    return f.split(sep);
}

/* Debian maintainer: this constructor is taken from qtextengine.cpp for TextPainter::drawLine */
QTextItemInt::QTextItemInt(const QGlyphLayout &g, QFont *font, const QChar *chars_, int numChars, QFontEngine *fe, const QTextCharFormat &format)
    : flags(0), justified(false), underlineStyle(QTextCharFormat::NoUnderline), charFormat(format),
      num_chars(numChars), chars(chars_), logClusters(0), f(font),  glyphs(g), fontEngine(fe)
{
}

/* Debian maintainer: this method is also taken from qtextengine.cpp */
// Fix up flags and underlineStyle with given info
void QTextItemInt::initWithScriptItem(const QScriptItem &si)
{
    // explicitly initialize flags so that initFontAttributes can be called
    // multiple times on the same TextItem
    flags = 0;
    if (si.analysis.bidiLevel %2)
        flags |= QTextItem::RightToLeft;
    ascent = si.ascent;
    descent = si.descent;

    if (charFormat.hasProperty(QTextFormat::TextUnderlineStyle)) {
        underlineStyle = charFormat.underlineStyle();
    } else if (charFormat.boolProperty(QTextFormat::FontUnderline)
               || f->d->underline) {
        underlineStyle = QTextCharFormat::SingleUnderline;
    }

    // compat
    if (underlineStyle == QTextCharFormat::SingleUnderline)
        flags |= QTextItem::Underline;

    if (f->d->overline || charFormat.fontOverline())
        flags |= QTextItem::Overline;
    if (f->d->strikeOut || charFormat.fontStrikeOut())
        flags |= QTextItem::StrikeOut;
}