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**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the Qt3D 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
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** use the contact form at http://qt.digia.com/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 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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** GNU General Public License Usage
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** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
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** $QT_END_LICENSE$
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****************************************************************************/
#ifndef QGLBUILDER_H
#define QGLBUILDER_H
#include <Qt3D/qglnamespace.h>
#include <Qt3D/qglscenenode.h>
#include <Qt3D/qglattributevalue.h>
#include <Qt3D/qgeometrydata.h>
#include <QVector>
#include <QList>
#include <QVector3D>
QT_BEGIN_NAMESPACE
class QGLSection;
class QGLMaterialCollection;
class QGLBuilderPrivate;
class QGLPainter;
class Q_QT3D_EXPORT QGLBuilder
{
public:
explicit QGLBuilder(QGLMaterialCollection *materials = 0);
explicit QGLBuilder(QSharedPointer<QGLMaterialCollection> materials);
virtual ~QGLBuilder();
// section management
void newSection(QGL::Smoothing sm = QGL::Smooth);
// scene management
QGLSceneNode *sceneNode();
QGLSceneNode *currentNode();
QGLSceneNode *newNode();
QGLSceneNode *pushNode();
QGLSceneNode *popNode();
QSharedPointer<QGLMaterialCollection> palette();
QGLSceneNode *finalizedSceneNode();
// geometry building by primitive
void addTriangles(const QGeometryData &triangle);
void addQuads(const QGeometryData &quad);
void addTriangleFan(const QGeometryData &fan);
void addTriangleStrip(const QGeometryData &strip);
void addTriangulatedFace(const QGeometryData &face);
void addQuadStrip(const QGeometryData &strip);
void addQuadsInterleaved(const QGeometryData &top,
const QGeometryData &bottom);
inline void addPane(float size = 1.0f);
inline void addPane(QSizeF size);
protected:
// internal and test functions
QGLSection *currentSection() const;
QList<QGLSection*> sections() const;
void setDefaultThreshold(int);
private:
Q_DISABLE_COPY(QGLBuilder)
void addSection(QGLSection *section);
friend class QGLSection;
QGLBuilderPrivate *dptr;
};
inline void QGLBuilder::addPane(float size)
{
addPane(QSizeF(size, size));
}
inline void QGLBuilder::addPane(QSizeF size)
{
QSizeF f = size / 2.0f;
QVector2D a(-f.width(), -f.height());
QVector2D b(f.width(), -f.height());
QVector2D c(f.width(), f.height());
QVector2D d(-f.width(), f.height());
QVector2D ta(0.0f, 0.0f);
QVector2D tb(1.0f, 0.0f);
QVector2D tc(1.0f, 1.0f);
QVector2D td(0.0f, 1.0f);
QGeometryData quad;
quad.appendVertex(a, b, c, d);
quad.appendTexCoord(ta, tb, tc, td);
addQuads(quad);
}
Q_QT3D_EXPORT QGLBuilder& operator<<(QGLBuilder& builder, const QGL::Smoothing& smoothing);
Q_QT3D_EXPORT QGLBuilder& operator<<(QGLBuilder& builder, const QGeometryData& triangles);
QT_END_NAMESPACE
#endif // QGLBUILDER_H
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