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qquickmaskextruder_p.h

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1/****************************************************************************-
2**-
3** Copyright (C) 2016 The Qt Company Ltd.-
4** Contact: https://www.qt.io/licensing/-
5**-
6** This file is part of the QtQuick module of the Qt Toolkit.-
7**-
8** $QT_BEGIN_LICENSE:LGPL$-
9** Commercial License Usage-
10** Licensees holding valid commercial Qt licenses may use this file in-
11** accordance with the commercial license agreement provided with the-
12** Software or, alternatively, in accordance with the terms contained in-
13** a written agreement between you and The Qt Company. For licensing terms-
14** and conditions see https://www.qt.io/terms-conditions. For further-
15** information use the contact form at https://www.qt.io/contact-us.-
16**-
17** GNU Lesser General Public License Usage-
18** Alternatively, this file may be used under the terms of the GNU Lesser-
19** General Public License version 3 as published by the Free Software-
20** Foundation and appearing in the file LICENSE.LGPL3 included in the-
21** packaging of this file. Please review the following information to-
22** ensure the GNU Lesser General Public License version 3 requirements-
23** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.-
24**-
25** GNU General Public License Usage-
26** Alternatively, this file may be used under the terms of the GNU-
27** General Public License version 2.0 or (at your option) the GNU General-
28** Public license version 3 or any later version approved by the KDE Free-
29** Qt Foundation. The licenses are as published by the Free Software-
30** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3-
31** included in the packaging of this file. Please review the following-
32** information to ensure the GNU General Public License requirements will-
33** be met: https://www.gnu.org/licenses/gpl-2.0.html and-
34** https://www.gnu.org/licenses/gpl-3.0.html.-
35**-
36** $QT_END_LICENSE$-
37**-
38****************************************************************************/-
39-
40#ifndef MASKEXTRUDER_H-
41#define MASKEXTRUDER_H-
42-
43//-
44// W A R N I N G-
45// --------------
46//-
47// This file is not part of the Qt API. It exists purely as an-
48// implementation detail. This header file may change from version to-
49// version without notice, or even be removed.-
50//-
51// We mean it.-
52//-
53#include "qquickparticleextruder_p.h"-
54#include <private/qquickpixmapcache_p.h>-
55#include <QUrl>-
56#include <QImage>-
57-
58QT_BEGIN_NAMESPACE-
59-
60class QQuickMaskExtruder : public QQuickParticleExtruder-
61{-
62 Q_OBJECT-
63 Q_PROPERTY(QUrl source READ source WRITE setSource NOTIFY sourceChanged)-
64public:-
65 explicit QQuickMaskExtruder(QObject *parent = 0);-
66 QPointF extrude(const QRectF &) override;-
67 bool contains(const QRectF &bounds, const QPointF &point) override;-
68-
69 QUrl source() const-
70 {-
71 return m_source;
never executed: return m_source;
0
72 }-
73-
74Q_SIGNALS:-
75-
76 void sourceChanged(QUrl arg);-
77-
78public Q_SLOTS:-
79 void setSource(QUrl arg);-
80-
81private Q_SLOTS:-
82 void startMaskLoading();-
83 void finishMaskLoading();-
84-
85private:-
86 QUrl m_source;-
87-
88 void ensureInitialized(const QRectF &r);-
89 int m_lastWidth;-
90 int m_lastHeight;-
91 QQuickPixmap m_pix;-
92 QImage m_img;-
93 QList<QPointF> m_mask;//TODO: More memory efficient datastructures-
94 //Perhaps just the mask for the largest bounds is stored, and interpolate up-
95};-
96-
97QT_END_NAMESPACE-
98-
99#endif // MASKEXTRUDER_H-
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