| 1 | // Copyright (C) 2016 The Qt Company Ltd. |
|---|---|
| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
| 3 | |
| 4 | #ifndef MASKEXTRUDER_H |
| 5 | #define MASKEXTRUDER_H |
| 6 | |
| 7 | // |
| 8 | // W A R N I N G |
| 9 | // ------------- |
| 10 | // |
| 11 | // This file is not part of the Qt API. It exists purely as an |
| 12 | // implementation detail. This header file may change from version to |
| 13 | // version without notice, or even be removed. |
| 14 | // |
| 15 | // We mean it. |
| 16 | // |
| 17 | #include "qquickparticleextruder_p.h" |
| 18 | #include <private/qquickpixmap_p.h> |
| 19 | #include <QUrl> |
| 20 | #include <QImage> |
| 21 | |
| 22 | QT_BEGIN_NAMESPACE |
| 23 | |
| 24 | class Q_QUICKPARTICLES_EXPORT QQuickMaskExtruder : public QQuickParticleExtruder |
| 25 | { |
| 26 | Q_OBJECT |
| 27 | Q_PROPERTY(QUrl source READ source WRITE setSource NOTIFY sourceChanged) |
| 28 | QML_NAMED_ELEMENT(MaskShape) |
| 29 | QML_ADDED_IN_VERSION(2, 0) |
| 30 | public: |
| 31 | explicit QQuickMaskExtruder(QObject *parent = nullptr); |
| 32 | QPointF extrude(const QRectF &) override; |
| 33 | bool contains(const QRectF &bounds, const QPointF &point) override; |
| 34 | |
| 35 | QUrl source() const |
| 36 | { |
| 37 | return m_source; |
| 38 | } |
| 39 | |
| 40 | Q_SIGNALS: |
| 41 | |
| 42 | void sourceChanged(const QUrl &arg); |
| 43 | |
| 44 | public Q_SLOTS: |
| 45 | void setSource(const QUrl &arg); |
| 46 | |
| 47 | private Q_SLOTS: |
| 48 | void startMaskLoading(); |
| 49 | void finishMaskLoading(); |
| 50 | |
| 51 | private: |
| 52 | QUrl m_source; |
| 53 | |
| 54 | void ensureInitialized(const QRectF &r); |
| 55 | int m_lastWidth; |
| 56 | int m_lastHeight; |
| 57 | QQuickPixmap m_pix; |
| 58 | QImage m_img; |
| 59 | QList<QPointF> m_mask;//TODO: More memory efficient datastructures |
| 60 | //Perhaps just the mask for the largest bounds is stored, and interpolate up |
| 61 | }; |
| 62 | |
| 63 | QT_END_NAMESPACE |
| 64 | |
| 65 | #endif // MASKEXTRUDER_H |
| 66 |