Added QBlendState

Change-Id: I7746262aec89ccfa4f9045026f0f19e57a998330
Reviewed-by: Sean Harmer <sean.harmer@kdab.com>

1 files changed, 179 insertions, 0 deletions

diff --git a/src/render/frontend/qblendstate.cpp b/src/render/frontend/qblendstate.cpp
new file mode 100644
index 000000000..65b894910
--- /dev/null
+++ b/src/render/frontend/qblendstate.cpp
@@ -0,0 +1,179 @@
+/****************************************************************************
+**
+** Copyright (C) 2014 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 "qblendstate.h"
+#include <Qt3DCore/qscenepropertychange.h>
+#include <private/qnode_p.h>
+
+QT_BEGIN_NAMESPACE
+
+namespace Qt3D {
+
+class QBlendStatePrivate : public QNodePrivate
+{
+public:
+    QBlendStatePrivate(QBlendState *qq)
+        : QNodePrivate(qq)
+        , m_srcRGB(QBlendState::Zero)
+        , m_srcAlpha(QBlendState::Zero)
+        , m_dstRGB(QBlendState::Zero)
+        , m_dstAlpha(QBlendState::Zero)
+    {
+    }
+
+    Q_DECLARE_PUBLIC(QBlendState)
+
+    QBlendState::Blending m_srcRGB;
+    QBlendState::Blending m_srcAlpha;
+    QBlendState::Blending m_dstRGB;
+    QBlendState::Blending m_dstAlpha;
+};
+
+QBlendState::QBlendState(QNode *parent)
+    : QDrawState(*new QBlendStatePrivate(this), parent)
+{
+}
+
+void QBlendState::copy(const QNode *ref)
+{
+    QDrawState::copy(ref);
+    Q_D(QBlendState);
+    const QBlendState *refState = qobject_cast<const QBlendState *>(ref);
+    if (refState != Q_NULLPTR) {
+        d->m_srcRGB = refState->srcRGB();
+        d->m_srcAlpha = refState->srcAlpha();
+        d->m_dstAlpha = refState->dstAlpha();
+        d->m_dstRGB = refState->dstRGB();
+    }
+}
+
+QBlendState::Blending QBlendState::srcRGB() const
+{
+    Q_D(const QBlendState);
+    return d->m_srcRGB;
+}
+
+void QBlendState::setSrcRGB(QBlendState::Blending srcRGB)
+{
+    Q_D(QBlendState);
+    if (d->m_srcRGB != srcRGB) {
+        d->m_srcRGB = srcRGB;
+        emit srcRGBChanged();
+        if (d->m_changeArbiter != Q_NULLPTR) {
+            QScenePropertyChangePtr propertyChange(new QScenePropertyChange(NodeUpdated, this));
+            propertyChange->setPropertyName(QByteArrayLiteral("srcRGB"));
+            propertyChange->setValue(d->m_srcRGB);
+            notifyObservers(propertyChange);
+        }
+    }
+}
+
+QBlendState::Blending QBlendState::dstRGB() const
+{
+    Q_D(const QBlendState);
+    return d->m_dstRGB;
+}
+
+void QBlendState::setDstRGB(QBlendState::Blending dstRGB)
+{
+    Q_D(QBlendState);
+    if (d->m_dstRGB != dstRGB) {
+        d->m_dstRGB = dstRGB;
+        emit dstRGBChanged();
+        if (d->m_changeArbiter != Q_NULLPTR) {
+            QScenePropertyChangePtr propertyChange(new QScenePropertyChange(NodeUpdated, this));
+            propertyChange->setPropertyName(QByteArrayLiteral("dstRGB"));
+            propertyChange->setValue(d->m_dstRGB);
+            notifyObservers(propertyChange);
+        }
+    }
+}
+
+QBlendState::Blending QBlendState::srcAlpha() const
+{
+    Q_D(const QBlendState);
+    return d->m_srcAlpha;
+}
+
+void QBlendState::setSrcAlpha(QBlendState::Blending srcAlpha)
+{
+    Q_D(QBlendState);
+    if (d->m_srcAlpha != srcAlpha) {
+        d->m_srcAlpha = srcAlpha;
+        emit srcAlphaChanged();
+        if (d->m_changeArbiter != Q_NULLPTR) {
+            QScenePropertyChangePtr propertyChange(new QScenePropertyChange(NodeUpdated, this));
+            propertyChange->setPropertyName(QByteArrayLiteral("srcAlpha"));
+            propertyChange->setValue(d->m_srcAlpha);
+            notifyObservers(propertyChange);
+        }
+    }
+}
+
+QBlendState::Blending QBlendState::dstAlpha() const
+{
+    Q_D(const QBlendState);
+    return d->m_dstAlpha;
+}
+
+void QBlendState::setDstAlpha(QBlendState::Blending dstAlpha)
+{
+    Q_D(QBlendState);
+    if (d->m_dstAlpha != dstAlpha) {
+        d->m_dstAlpha = dstAlpha;
+        emit dstAlphaChanged();
+        if (d->m_changeArbiter != Q_NULLPTR) {
+            QScenePropertyChangePtr propertyChange(new QScenePropertyChange(NodeUpdated, this));
+            propertyChange->setPropertyName(QByteArrayLiteral("dstAlpha"));
+            propertyChange->setValue(d->m_dstAlpha);
+            notifyObservers(propertyChange);
+        }
+    }
+}
+
+QNode *QBlendState::doClone(QNode *clonedParent) const
+{
+    return new QBlendState(clonedParent);
+}
+
+} // Qt3D
+
+QT_END_NAMESPACE