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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 QSGOPENVGNODEVISITOR_H
#define QSGOPENVGNODEVISITOR_H
#include <private/qsgadaptationlayer_p.h>
#include <QtCore/QStack>
#include "qopenvgmatrix.h"
#include <VG/openvg.h>
QT_BEGIN_NAMESPACE
class QSGOpenVGRenderable;
class QSGOpenVGNodeVisitor : public QSGNodeVisitorEx
{
public:
QSGOpenVGNodeVisitor();
bool visit(QSGTransformNode *) override;
void endVisit(QSGTransformNode *) override;
bool visit(QSGClipNode *) override;
void endVisit(QSGClipNode *) override;
bool visit(QSGGeometryNode *) override;
void endVisit(QSGGeometryNode *) override;
bool visit(QSGOpacityNode *) override;
void endVisit(QSGOpacityNode *) override;
bool visit(QSGInternalImageNode *) override;
void endVisit(QSGInternalImageNode *) override;
bool visit(QSGPainterNode *) override;
void endVisit(QSGPainterNode *) override;
bool visit(QSGInternalRectangleNode *) override;
void endVisit(QSGInternalRectangleNode *) override;
bool visit(QSGGlyphNode *) override;
void endVisit(QSGGlyphNode *) override;
bool visit(QSGRootNode *) override;
void endVisit(QSGRootNode *) override;
bool visit(QSGSpriteNode *) override;
void endVisit(QSGSpriteNode *) override;
bool visit(QSGRenderNode *) override;
void endVisit(QSGRenderNode *) override;
private:
VGPath generateClipPath(const QRectF &rect) const;
void renderRenderableNode(QSGOpenVGRenderable *node);
QStack<QOpenVGMatrix> m_transformStack;
QStack<float> m_opacityState;
QStack<VGPath> m_clipStack;
};
QT_END_NAMESPACE
#endif // QSGOPENVGNODEVISITOR_H
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