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/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** This file is part of the QtQml module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** 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.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qsgsimpletexturenode.h"
QT_BEGIN_NAMESPACE
static void qsgsimpletexturenode_update(QSGGeometry *g,
QSGTexture *texture,
const QRectF &rect)
{
if (!texture)
return;
QSize ts = texture->textureSize();
QRectF sourceRect(0, 0, ts.width(), ts.height());
QSGGeometry::updateTexturedRectGeometry(g, rect, texture->convertToNormalizedSourceRect(sourceRect));
}
/*!
\class QSGSimpleTextureNode
\brief The QSGSimpleTextureNode class is provided for convenience to easily draw
textured content using the QML scene graph.
\inmodule QtQuick
\warning The simple texture node class must have a texture before being
added to the scene graph to be rendered.
*/
/*!
Constructs a new simple texture node
*/
QSGSimpleTextureNode::QSGSimpleTextureNode()
: m_geometry(QSGGeometry::defaultAttributes_TexturedPoint2D(), 4)
{
setGeometry(&m_geometry);
setMaterial(&m_material);
setOpaqueMaterial(&m_opaque_material);
}
/*!
Sets the filtering to be used for this texture node to \a filtering.
For smooth scaling, use QSGTexture::Linear; for normal scaling, use
QSGTexture::Nearest.
*/
void QSGSimpleTextureNode::setFiltering(QSGTexture::Filtering filtering)
{
if (m_material.filtering() == filtering)
return;
m_material.setFiltering(filtering);
m_opaque_material.setFiltering(filtering);
markDirty(DirtyMaterial);
}
/*!
Returns the filtering currently set on this texture node
*/
QSGTexture::Filtering QSGSimpleTextureNode::filtering() const
{
return m_material.filtering();
}
/*!
Sets the target rect of this texture node to \a r
*/
void QSGSimpleTextureNode::setRect(const QRectF &r)
{
if (m_rect == r)
return;
m_rect = r;
qsgsimpletexturenode_update(&m_geometry, texture(), m_rect);
markDirty(DirtyGeometry);
}
/*!
Returns the target rect of this texture node.
*/
QRectF QSGSimpleTextureNode::rect() const
{
return m_rect;
}
/*!
Sets the texture of this texture node to \a texture.
\warning A texture node must have a texture before being added
to the scenegraph to be rendered.
*/
void QSGSimpleTextureNode::setTexture(QSGTexture *texture)
{
if (m_material.texture() == texture)
return;
m_material.setTexture(texture);
m_opaque_material.setTexture(texture);
qsgsimpletexturenode_update(&m_geometry, texture, m_rect);
markDirty(DirtyMaterial);
}
/*!
Returns the texture for this texture node
*/
QSGTexture *QSGSimpleTextureNode::texture() const
{
return m_material.texture();
}
QT_END_NAMESPACE
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