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/****************************************************************************
**
** Copyright (C) 2018 The Qt Company Ltd.
** 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 "canvasstyledialog.h"
#include <qglobal.h>
QT_FORWARD_DECLARE_CLASS(QBrush);
QT_FORWARD_DECLARE_CLASS(QColor);
QT_FORWARD_DECLARE_CLASS(QPainter);
QT_FORWARD_DECLARE_CLASS(QPointF);
QT_FORWARD_DECLARE_CLASS(QPoint);
QT_FORWARD_DECLARE_CLASS(QSize);
namespace QmlDesigner {
class EasingCurve;
class Canvas
{
public:
Canvas(int width,
int height,
int marginX,
int marginY,
int cellCountX,
int cellCountY,
int offsetX,
int offsetY);
public:
CanvasStyle canvasStyle() const;
double scale() const;
QRectF gridRect() const;
QPointF normalize(const QPointF &point) const;
QPointF mapTo(const QPointF &point) const;
EasingCurve mapTo(const EasingCurve &curve) const;
QPointF mapFrom(const QPointF &point) const;
EasingCurve mapFrom(const EasingCurve &curve) const;
QPointF clamp(const QPointF &point) const;
void setCanvasStyle(const CanvasStyle &style);
void setScale(double scale);
void resize(const QSize &size);
void paintGrid(QPainter *painter, const QBrush &background);
void paintCurve(QPainter *painter, const EasingCurve &curve, const QColor &color);
void paintControlPoints(QPainter *painter, const EasingCurve &curve);
void paintProgress(QPainter *painter, const EasingCurve &curve, double progress);
private:
void paintLine(QPainter *painter, const QPoint &p1, const QPoint &p2);
void paintPoint(QPainter *painter, const QPointF &point, bool smooth, bool active = false);
private:
int m_width;
int m_height;
int m_marginX;
int m_marginY;
int m_cellCountX;
int m_cellCountY;
int m_offsetX;
int m_offsetY;
double m_scale;
CanvasStyle m_style;
};
} // namespace QmlDesigner
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