diff options
Diffstat (limited to 'src/plugins/scenegraph/openvg/qopenvgmatrix.h')
-rw-r--r-- | src/plugins/scenegraph/openvg/qopenvgmatrix.h | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/src/plugins/scenegraph/openvg/qopenvgmatrix.h b/src/plugins/scenegraph/openvg/qopenvgmatrix.h new file mode 100644 index 0000000000..f51bf8147d --- /dev/null +++ b/src/plugins/scenegraph/openvg/qopenvgmatrix.h @@ -0,0 +1,108 @@ +/**************************************************************************** +** +** 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 |