Move QAbstractTextureImage, QTextureImage to dedicated files

Change-Id: I4650ecad1b4c07531c8cd56c11976005bb543aed
Note: qtexture.h is now just a convenience include.
Reviewed-by: Sean Harmer <sean.harmer@kdab.com>

1 files changed, 147 insertions, 0 deletions

diff --git a/src/render/frontend/qtextureimage.cpp b/src/render/frontend/qtextureimage.cpp
new file mode 100644
index 000000000..5a226bef3
--- /dev/null
+++ b/src/render/frontend/qtextureimage.cpp
@@ -0,0 +1,147 @@
+/****************************************************************************
+**
+** Copyright (C) 2015 Klaralvdalens Datakonsult AB (KDAB).
+** 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
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** 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.
+**
+** 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.
+**
+** 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.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qtextureimage.h"
+#include "qabstracttextureimage_p.h"
+
+QT_BEGIN_NAMESPACE
+
+namespace Qt3D {
+
+class QTextureImagePrivate: public QAbstractTextureImagePrivate
+{
+public:
+    QTextureImagePrivate(QTextureImage *qq)
+        : QAbstractTextureImagePrivate(qq)
+    {
+    }
+
+    Q_DECLARE_PUBLIC(QTextureImage)
+    QUrl m_source;
+};
+
+class QImageTextureDataFunctor : public QTextureDataFunctor
+{
+public:
+    QImageTextureDataFunctor(const QUrl &url)
+        : QTextureDataFunctor()
+        , m_url(url)
+    {}
+
+    // Will be executed from within a QAspectJob
+    TexImageDataPtr operator ()() Q_DECL_FINAL
+    {
+        return TexImageDataPtr();
+    }
+
+    bool operator ==(const QTextureDataFunctor &other) const Q_DECL_FINAL
+    {
+        const QImageTextureDataFunctor *otherFunctor = dynamic_cast<const QImageTextureDataFunctor*>(&other);
+        return (otherFunctor != Q_NULLPTR && otherFunctor->m_url == m_url);
+    }
+
+private:
+    QUrl m_url;
+};
+
+/*!
+    \class Qt3D::QTextureImage
+    \since 5.5
+    \brief Encapsulates the necessary information to create an OpenGL texture
+    image from an image source.
+
+    It contains the necessary information mipmap level, layer, cube face and
+    source URL to load at the proper place data into an OpenGL texture.
+ */
+
+/*!
+    Constructs a new Qt3D::QTextureImage instance with \a parent as parent.
+ */
+QTextureImage::QTextureImage(QNode *parent)
+    : QAbstractTextureImage(*new QTextureImagePrivate(this), parent)
+{
+}
+
+QTextureImage::~QTextureImage()
+{
+}
+
+/*!
+    \return the source url from which data will be loaded of the texture image.
+ */
+QUrl QTextureImage::source() const
+{
+    Q_D(const QTextureImage);
+    return d->m_source;
+}
+
+/*!
+    Sets the source url of the texture image to \a source.
+ */
+void QTextureImage::setSource(const QUrl &source)
+{
+    Q_D(QTextureImage);
+    if (source != d->m_source) {
+        d->m_source = source;
+        emit sourceChanged();
+    }
+}
+
+/*!
+    \returns the a Qt3D::QTextureDataFunctorPtr functor to be used by the
+    backend to load the texture image data into an OpenGL texture object.
+ */
+QTextureDataFunctorPtr QTextureImage::dataFunctor() const
+{
+    return QTextureDataFunctorPtr(new QImageTextureDataFunctor(source()));
+}
+
+void QTextureImage::copy(const QNode *ref)
+{
+    QAbstractTextureImage::copy(ref);
+    const QTextureImage *img = static_cast<const QTextureImage *>(ref);
+    d_func()->m_source = img->source();
+}
+
+} // Qt3D
+
+QT_END_NAMESPACE
+