/****************************************************************************
**
** Copyright (C) 2016 Jochen Becher
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
** 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 General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** 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-3.0.html.
**
****************************************************************************/

#pragma once

#include "shapevisitor.h"
#include "qmt/infrastructure/qmt_global.h"

#include <QPainter>
#include <QPointF>
#include <QSizeF>
#include <QPolygonF>
#include <QPainterPath>

namespace qmt {

class QMT_EXPORT ShapePaintVisitor : public ShapeConstVisitor
{
public:
    ShapePaintVisitor(QPainter *painter, const QPointF &scaledOrigin, const QSizeF &originalSize,
                      const QSizeF &baseSize, const QSizeF &size);

    void visitLine(const LineShape *shapeLine) override;
    void visitRect(const RectShape *shapeRect) override;
    void visitRoundedRect(const RoundedRectShape *shapeRoundedRect) override;
    void visitCircle(const CircleShape *shapeCircle) override;
    void visitEllipse(const EllipseShape *shapeEllipse) override;
    void visitDiamond(const DiamondShape *shapeDiamond) override;
    void visitTriangle(const TriangleShape *shapeTriangle) override;
    void visitArc(const ArcShape *shapeArc) override;
    void visitPath(const PathShape *shapePath) override;

private:
    QPainter *m_painter;
    QPointF m_scaledOrigin;
    QSizeF m_originalSize;
    QSizeF m_baseSize;
    QSizeF m_size;
};

class QMT_EXPORT ShapeSizeVisitor : public ShapeConstVisitor
{
public:
    ShapeSizeVisitor(const QPointF &scaledOrigin, const QSizeF &originalSize,
                     const QSizeF &baseSize, const QSizeF &size);

    QRectF boundingRect() const { return m_boundingRect; }

    void visitLine(const LineShape *shapeLine) override;
    void visitRect(const RectShape *shapeRect) override;
    void visitRoundedRect(const RoundedRectShape *shapeRoundedRect) override;
    void visitCircle(const CircleShape *shapeCircle) override;
    void visitEllipse(const EllipseShape *shapeEllipse) override;
    void visitDiamond(const DiamondShape *shapeDiamond) override;
    void visitTriangle(const TriangleShape *shapeTriangle) override;
    void visitArc(const ArcShape *shapeArc) override;
    void visitPath(const PathShape *shapePath) override;

private:
    QPointF m_scaledOrigin;
    QSizeF m_originalSize;
    QSizeF m_baseSize;
    QSizeF m_size;
    QRectF m_boundingRect;
};

class QMT_EXPORT ShapePolygonVisitor : public ShapeConstVisitor
{
public:
    ShapePolygonVisitor(const QPointF &scaledOrigin, const QSizeF &originalSize,
                        const QSizeF &baseSize, const QSizeF &size);

    QPainterPath path() const { return m_path; }
    QList<QPolygonF> toPolygons() const;

    void visitLine(const LineShape *shapeLine) override;
    void visitRect(const RectShape *shapeRect) override;
    void visitRoundedRect(const RoundedRectShape *shapeRoundedRect) override;
    void visitCircle(const CircleShape *shapeCircle) override;
    void visitEllipse(const EllipseShape *shapeEllipse) override;
    void visitDiamond(const DiamondShape *shapeDiamond) override;
    void visitTriangle(const TriangleShape *shapeTriangle) override;
    void visitArc(const ArcShape *shapeArc) override;
    void visitPath(const PathShape *shapePath) override;

private:
    QPointF m_scaledOrigin;
    QSizeF m_originalSize;
    QSizeF m_baseSize;
    QSizeF m_size;
    QPainterPath m_path;
};

} // namespace qmt
