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-rw-r--r--src/plugins/scenegraph/openvg/qopenvgmatrix.h108
1 files changed, 108 insertions, 0 deletions
diff --git a/src/plugins/scenegraph/openvg/qopenvgmatrix.h b/src/plugins/scenegraph/openvg/qopenvgmatrix.h
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+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the QtQuick module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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 Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or (at your option) the GNU General
+** Public license version 3 or any later version approved by the KDE Free
+** Qt Foundation. The licenses are as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
+** 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-2.0.html and
+** https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QOPENVGMATRIX_H
+#define QOPENVGMATRIX_H
+
+#include <QtCore/qdebug.h>
+#include <QtCore/QDataStream>
+#include <QtCore/QPointF>
+
+QT_BEGIN_NAMESPACE
+
+class QOpenVGMatrix
+{
+public:
+ QOpenVGMatrix();
+ explicit QOpenVGMatrix(const float *values);
+
+ const float& operator()(int row, int column) const;
+ float& operator()(int row, int column);
+
+ bool isIdentity() const;
+ void setToIdentity();
+
+ bool isAffine() const;
+
+ QPointF map(const QPointF& point) const;
+
+ void fill(float value);
+
+ QOpenVGMatrix transposed() const;
+
+ QOpenVGMatrix& operator+=(const QOpenVGMatrix& other);
+ QOpenVGMatrix& operator-=(const QOpenVGMatrix& other);
+ QOpenVGMatrix& operator*=(const QOpenVGMatrix& other);
+ QOpenVGMatrix& operator*=(float factor);
+ QOpenVGMatrix& operator/=(float divisor);
+ friend QOpenVGMatrix operator*(const QOpenVGMatrix& m1, const QOpenVGMatrix& m2);
+ friend QPointF operator*(const QPointF& point, const QOpenVGMatrix& matrix);
+ friend QPointF operator*(const QOpenVGMatrix& matrix, const QPointF& point);
+#ifndef QT_NO_DEBUG_STREAM
+ friend QDebug operator<<(QDebug dbg, const QOpenVGMatrix &m);
+#endif
+ bool operator==(const QOpenVGMatrix& other) const;
+ bool operator!=(const QOpenVGMatrix& other) const;
+
+ void copyDataTo(float *values) const;
+
+ float *data() { return *m; }
+ const float *data() const { return *m; }
+ const float *constData() const { return *m; }
+
+private:
+ float m[3][3];
+};
+
+QOpenVGMatrix operator*(const QOpenVGMatrix& m1, const QOpenVGMatrix& m2);
+QPointF operator*(const QPointF& point, const QOpenVGMatrix& matrix);
+QPointF operator*(const QOpenVGMatrix& matrix, const QPointF& point);
+
+#ifndef QT_NO_DEBUG_STREAM
+QDebug operator<<(QDebug dbg, const QOpenVGMatrix &m);
+#endif
+
+#ifndef QT_NO_DATASTREAM
+QDataStream &operator<<(QDataStream &, const QOpenVGMatrix &);
+QDataStream &operator>>(QDataStream &, QOpenVGMatrix &);
+#endif
+
+QT_END_NAMESPACE
+
+#endif // QOPENVGMATRIX_H