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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtWidgets module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 https://www.qt.io/terms-conditions. For further
** information use the contact form at https://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 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QDRAWUTIL_H
#define QDRAWUTIL_H

#include <QtWidgets/qtwidgetsglobal.h>
#include <QtCore/qnamespace.h>
#include <QtCore/qstring.h> // char*->QString conversion
#include <QtCore/qmargins.h>
#include <QtGui/qpixmap.h>
QT_BEGIN_NAMESPACE


class QPainter;
class QPalette;
class QPoint;
class QColor;
class QBrush;
class QRect;

//
// Standard shade drawing
//

Q_WIDGETS_EXPORT void qDrawShadeLine(QPainter *p, int x1, int y1, int x2, int y2,
                              const QPalette &pal, bool sunken = true,
                              int lineWidth = 1, int midLineWidth = 0);

Q_WIDGETS_EXPORT void qDrawShadeLine(QPainter *p, const QPoint &p1, const QPoint &p2,
                              const QPalette &pal, bool sunken = true,
                              int lineWidth = 1, int midLineWidth = 0);

Q_WIDGETS_EXPORT void qDrawShadeRect(QPainter *p, int x, int y, int w, int h,
                              const QPalette &pal, bool sunken = false,
                              int lineWidth = 1, int midLineWidth = 0,
                              const QBrush *fill = nullptr);

Q_WIDGETS_EXPORT void qDrawShadeRect(QPainter *p, const QRect &r,
                              const QPalette &pal, bool sunken = false,
                              int lineWidth = 1, int midLineWidth = 0,
                              const QBrush *fill = nullptr);

Q_WIDGETS_EXPORT void qDrawShadePanel(QPainter *p, int x, int y, int w, int h,
                               const QPalette &pal, bool sunken = false,
                               int lineWidth = 1, const QBrush *fill = nullptr);

Q_WIDGETS_EXPORT void qDrawShadePanel(QPainter *p, const QRect &r,
                               const QPalette &pal, bool sunken = false,
                               int lineWidth = 1, const QBrush *fill = nullptr);

Q_WIDGETS_EXPORT void qDrawWinButton(QPainter *p, int x, int y, int w, int h,
                              const QPalette &pal, bool sunken = false,
                              const QBrush *fill = nullptr);

Q_WIDGETS_EXPORT void qDrawWinButton(QPainter *p, const QRect &r,
                              const QPalette &pal, bool sunken = false,
                              const QBrush *fill = nullptr);

Q_WIDGETS_EXPORT void qDrawWinPanel(QPainter *p, int x, int y, int w, int h,
                              const QPalette &pal, bool sunken = false,
                             const QBrush *fill = nullptr);

Q_WIDGETS_EXPORT void qDrawWinPanel(QPainter *p, const QRect &r,
                              const QPalette &pal, bool sunken = false,
                             const QBrush *fill = nullptr);

Q_WIDGETS_EXPORT void qDrawPlainRect(QPainter *p, int x, int y, int w, int h, const QColor &,
                              int lineWidth = 1, const QBrush *fill = nullptr);

Q_WIDGETS_EXPORT void qDrawPlainRect(QPainter *p, const QRect &r, const QColor &,
                              int lineWidth = 1, const QBrush *fill = nullptr);



struct QTileRules
{
    inline QTileRules(Qt::TileRule horizontalRule, Qt::TileRule verticalRule)
            : horizontal(horizontalRule), vertical(verticalRule) {}
    inline QTileRules(Qt::TileRule rule = Qt::StretchTile)
            : horizontal(rule), vertical(rule) {}
    Qt::TileRule horizontal;
    Qt::TileRule vertical;
};

#ifndef Q_CLANG_QDOC
// For internal use only.
namespace QDrawBorderPixmap
{
    enum DrawingHint
    {
        OpaqueTopLeft = 0x0001,
        OpaqueTop = 0x0002,
        OpaqueTopRight = 0x0004,
        OpaqueLeft = 0x0008,
        OpaqueCenter = 0x0010,
        OpaqueRight = 0x0020,
        OpaqueBottomLeft = 0x0040,
        OpaqueBottom = 0x0080,
        OpaqueBottomRight = 0x0100,
        OpaqueCorners = OpaqueTopLeft | OpaqueTopRight | OpaqueBottomLeft | OpaqueBottomRight,
        OpaqueEdges = OpaqueTop | OpaqueLeft | OpaqueRight | OpaqueBottom,
        OpaqueFrame = OpaqueCorners | OpaqueEdges,
        OpaqueAll = OpaqueCenter | OpaqueFrame
    };

    Q_DECLARE_FLAGS(DrawingHints, DrawingHint)
}
#endif

Q_WIDGETS_EXPORT void qDrawBorderPixmap(QPainter *painter,
                                    const QRect &targetRect,
                                    const QMargins &targetMargins,
                                    const QPixmap &pixmap,
                                    const QRect &sourceRect,
                                    const QMargins &sourceMargins,
                                    const QTileRules &rules = QTileRules()
#ifndef Q_CLANG_QDOC
                                    , QDrawBorderPixmap::DrawingHints hints = QDrawBorderPixmap::DrawingHints()
#endif
                                    );

inline void qDrawBorderPixmap(QPainter *painter,
                                           const QRect &target,
                                           const QMargins &margins,
                                           const QPixmap &pixmap)
{
    qDrawBorderPixmap(painter, target, margins, pixmap, pixmap.rect(), margins);
}

QT_END_NAMESPACE

#endif // QDRAWUTIL_H