KisHandlePainterHelper.h

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/*
 *  SPDX-FileCopyrightText: 2016 Dmitry Kazakov <dimula73@gmail.com>
 *
 *  SPDX-License-Identifier: GPL-2.0-or-later
 */
 
#ifndef KISHANDLEPAINTERHELPER_H
#define KISHANDLEPAINTERHELPER_H
 
#include "kritaglobal_export.h"
#include "kis_algebra_2d.h"
 
#include <QPainter>
#include <KisHandleStyle.h>
class QPainter;
class KoShape;
class KoViewConverter;
 
class KRITAGLOBAL_EXPORT KisHandlePainterHelper
{
public:
 
    KisHandlePainterHelper(QPainter *_painter, qreal handleRadius = 0.0, int decorationThickness = 1);
 
    KisHandlePainterHelper(QPainter *_painter, const QTransform &originalPainterTransform, qreal handleRadius, int decorationThickness = 1);
 
    KisHandlePainterHelper(KisHandlePainterHelper &&rhs);
    KisHandlePainterHelper(KisHandlePainterHelper &rhs) = delete;
 
    ~KisHandlePainterHelper();
 
    void setHandleStyle(const KisHandleStyle &style);
 
    void drawHandleRect(const QPointF &center, qreal radius);
    void drawHandleRect(const QPointF &center, qreal radius, QPoint offset);
    void fillHandleRect(const QPointF &center, qreal radius, QColor fillColor, QPoint offset);
 
    void drawHandleCircle(const QPointF &center, qreal radius);
 
    void drawHandleRect(const QPointF &center);
 
    void drawHandleCircle(const QPointF &center);
 
    void drawHandleSmallCircle(const QPointF &center);
 
    void drawHandleLine(const QLineF &line, qreal width = 1.0, QVector<qreal> dashPattern = {}, qreal dashOffset = 0.0);
 
    void drawGradientHandle(const QPointF &center, qreal radius);
 
    void drawGradientHandle(const QPointF &center);
 
    void drawGradientCrossHandle(const QPointF &center, qreal radius);
 
    void drawGradientArrow(const QPointF &start, const QPointF &end, qreal radius);
 
    void drawRubberLine(const QPolygonF &poly);
 
    void drawConnectionLine(const QLineF &line);
 
    void drawConnectionLine(const QPointF &p1, const QPointF &p2);
 
    void drawPath(const QPainterPath &path);
 
    void drawPixmap(const QPixmap &pixmap, QPointF position, int size, QRectF sourceRect);
 
private:
 
    void drawArrow(const QPointF &pos, const QPointF &from, qreal radius);
 
    void init();
 
private:
    QPainter *m_painter;
    QTransform m_originalPainterTransform;
    QTransform m_painterTransform;
    qreal m_handleRadius;
    int m_decorationThickness;
    KisAlgebra2D::DecomposedMatrix m_decomposedMatrix;
    QTransform m_handleTransform;
    QPolygonF m_handlePolygon;
    KisHandleStyle m_handleStyle;
};
 
#endif // KISHANDLEPAINTERHELPER_H