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+/****************************************************************************
+**
+** Copyright (C) 2020 Klaralvdalens Datakonsult AB (KDAB).
+** Contact: https://www.qt.io/licensing/
+**
+** 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
+** 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 QT3DCORE_QGEOMETRYVIEW_H
+#define QT3DCORE_QGEOMETRYVIEW_H
+
+#include <Qt3DCore/qnode.h>
+#include <Qt3DCore/qgeometry.h>
+#include <Qt3DCore/qt3dcore_global.h>
+
+QT_BEGIN_NAMESPACE
+
+namespace Qt3DCore {
+
+class QGeometryViewPrivate;
+class QGeometryFactory;
+
+typedef QSharedPointer<QGeometryFactory> QGeometryFactoryPtr;
+
+class Q_3DCORESHARED_EXPORT QGeometryView : public Qt3DCore::QNode
+{
+ Q_OBJECT
+ Q_PROPERTY(int instanceCount READ instanceCount WRITE setInstanceCount NOTIFY instanceCountChanged)
+ Q_PROPERTY(int vertexCount READ vertexCount WRITE setVertexCount NOTIFY vertexCountChanged)
+ Q_PROPERTY(int indexOffset READ indexOffset WRITE setIndexOffset NOTIFY indexOffsetChanged)
+ Q_PROPERTY(int firstInstance READ firstInstance WRITE setFirstInstance NOTIFY firstInstanceChanged)
+ Q_PROPERTY(int firstVertex READ firstVertex WRITE setFirstVertex NOTIFY firstVertexChanged)
+ Q_PROPERTY(int indexBufferByteOffset READ indexBufferByteOffset WRITE setIndexBufferByteOffset NOTIFY indexBufferByteOffsetChanged)
+ Q_PROPERTY(int restartIndexValue READ restartIndexValue WRITE setRestartIndexValue NOTIFY restartIndexValueChanged)
+ Q_PROPERTY(int verticesPerPatch READ verticesPerPatch WRITE setVerticesPerPatch NOTIFY verticesPerPatchChanged)
+ Q_PROPERTY(bool primitiveRestartEnabled READ primitiveRestartEnabled WRITE setPrimitiveRestartEnabled NOTIFY primitiveRestartEnabledChanged)
+ Q_PROPERTY(Qt3DCore::QGeometry* geometry READ geometry WRITE setGeometry NOTIFY geometryChanged)
+ Q_PROPERTY(PrimitiveType primitiveType READ primitiveType WRITE setPrimitiveType NOTIFY primitiveTypeChanged)
+
+public:
+ explicit QGeometryView(Qt3DCore::QNode *parent = nullptr);
+ ~QGeometryView();
+
+ enum PrimitiveType {
+ Points = 0x0000,
+ Lines = 0x0001,
+ LineLoop = 0x0002,
+ LineStrip = 0x0003,
+ Triangles = 0x0004,
+ TriangleStrip = 0x0005,
+ TriangleFan = 0x0006,
+ LinesAdjacency = 0x000A,
+ TrianglesAdjacency = 0x000C,
+ LineStripAdjacency = 0x000B,
+ TriangleStripAdjacency = 0x000D,
+ Patches = 0x000E
+ };
+ Q_ENUM(PrimitiveType) // LCOV_EXCL_LINE
+
+ // how to figure out index count and all the fancy stuff that QMeshData provides for us?
+ // also how to figure out which attribute(s?) hold the indices?
+
+ int instanceCount() const;
+ int vertexCount() const;
+ int indexOffset() const;
+ int firstInstance() const;
+ int firstVertex() const;
+ int indexBufferByteOffset() const;
+ int restartIndexValue() const;
+ int verticesPerPatch() const;
+ bool primitiveRestartEnabled() const;
+ QGeometry *geometry() const;
+ PrimitiveType primitiveType() const;
+
+ QGeometryFactoryPtr geometryFactory() const;
+ void setGeometryFactory(const QGeometryFactoryPtr &factory);
+
+public Q_SLOTS:
+ void setInstanceCount(int instanceCount);
+ void setVertexCount(int vertexCount);
+ void setIndexOffset(int indexOffset);
+ void setFirstInstance(int firstInstance);
+ void setFirstVertex(int firstVertex);
+ void setIndexBufferByteOffset(int offset);
+ void setRestartIndexValue(int index);
+ void setVerticesPerPatch(int verticesPerPatch);
+ void setPrimitiveRestartEnabled(bool enabled);
+ void setGeometry(QGeometry *geometry);
+ void setPrimitiveType(PrimitiveType primitiveType);
+
+Q_SIGNALS:
+ void instanceCountChanged(int instanceCount);
+ void vertexCountChanged(int vertexCount);
+ void indexOffsetChanged(int indexOffset);
+ void firstInstanceChanged(int firstInstance);
+ void firstVertexChanged(int firstVertex);
+ void indexBufferByteOffsetChanged(int offset);
+ void restartIndexValueChanged(int restartIndexValue);
+ void verticesPerPatchChanged(int verticesPerPatch);
+ void primitiveRestartEnabledChanged(bool primitiveRestartEnabled);
+ void geometryChanged(QGeometry *geometry);
+ void primitiveTypeChanged(PrimitiveType primitiveType);
+
+protected:
+ explicit QGeometryView(QGeometryViewPrivate &dd, Qt3DCore::QNode *parent = nullptr);
+
+private:
+ Q_DECLARE_PRIVATE(QGeometryView)
+};
+
+} // namespace Qt3DCore
+
+QT_END_NAMESPACE
+
+#endif // QT3DCORE_QGEOMETRYVIEW_H