94 lines
2.4 KiB
C++
94 lines
2.4 KiB
C++
/*
|
|
* Squawk messenger.
|
|
* Copyright (C) 2019 Yury Gubich <blue@macaw.me>
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#ifndef DROPSHADOWEFFECT_H
|
|
#define DROPSHADOWEFFECT_H
|
|
|
|
#include <QGraphicsEffect>
|
|
#include <QPainter>
|
|
#include <QPointF>
|
|
#include <QColor>
|
|
|
|
class PixmapFilter : public QObject
|
|
{
|
|
Q_OBJECT
|
|
public:
|
|
PixmapFilter(QObject *parent = nullptr);
|
|
virtual ~PixmapFilter() = 0;
|
|
|
|
virtual QRectF boundingRectFor(const QRectF &rect) const;
|
|
virtual void draw(QPainter *painter, const QPointF &p, const QPixmap &src, const QRectF &srcRect = QRectF()) const = 0;
|
|
};
|
|
|
|
class PixmapDropShadowFilter : public PixmapFilter
|
|
{
|
|
Q_OBJECT
|
|
|
|
public:
|
|
PixmapDropShadowFilter(QObject *parent = nullptr);
|
|
~PixmapDropShadowFilter();
|
|
|
|
void draw(QPainter *p, const QPointF &pos, const QPixmap &px, const QRectF &src = QRectF()) const override;
|
|
|
|
qreal blurRadius() const;
|
|
void setBlurRadius(qreal radius);
|
|
|
|
QColor color() const;
|
|
void setColor(const QColor &color);
|
|
|
|
qreal thickness() const;
|
|
void setThickness(qreal thickness);
|
|
void setFrame(bool top, bool right, bool bottom, bool left);
|
|
|
|
protected:
|
|
QColor mColor;
|
|
qreal mRadius;
|
|
qreal mThickness;
|
|
bool top;
|
|
bool right;
|
|
bool bottom;
|
|
bool left;
|
|
};
|
|
|
|
class DropShadowEffect : public QGraphicsEffect
|
|
{
|
|
Q_OBJECT
|
|
public:
|
|
qreal blurRadius() const;
|
|
QColor color() const;
|
|
void setFrame(bool top, bool right, bool bottom, bool left);
|
|
void setThickness(qreal thickness);
|
|
|
|
signals:
|
|
void blurRadiusChanged(qreal blurRadius);
|
|
void colorChanged(const QColor &color);
|
|
|
|
public slots:
|
|
void setBlurRadius(qreal blurRadius);
|
|
void setColor(const QColor &color);
|
|
|
|
protected:
|
|
void draw(QPainter * painter) override;
|
|
|
|
protected:
|
|
PixmapDropShadowFilter filter;
|
|
|
|
};
|
|
|
|
#endif // DROPSHADOWEFFECT_H
|