1 files changed, 180 insertions, 0 deletions
diff --git a/src/declarative/scenegraph/qsgdefaultimagenode.cpp b/src/declarative/scenegraph/qsgdefaultimagenode.cpp
new file mode 100644
index 0000000000..aa30d009da
--- /dev/null
+++ b/src/declarative/scenegraph/qsgdefaultimagenode.cpp
@@ -0,0 +1,180 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtDeclarative module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** 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, 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.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qsgdefaultimagenode_p.h"
+
+#include <private/qsgtextureprovider_p.h>
+
+QT_BEGIN_NAMESPACE
+
+QSGDefaultImageNode::QSGDefaultImageNode()
+    : m_sourceRect(0, 0, 1, 1)
+    , m_dirtyGeometry(false)
+    , m_geometry(QSGGeometry::defaultAttributes_TexturedPoint2D(), 4)
+{
+    setMaterial(&m_materialO);
+    setOpaqueMaterial(&m_material);
+    setGeometry(&m_geometry);
+
+#ifdef QML_RUNTIME_TESTING
+    description = QLatin1String("image");
+#endif
+}
+
+void QSGDefaultImageNode::setTargetRect(const QRectF &rect)
+{
+    if (rect == m_targetRect)
+        return;
+    m_targetRect = rect;
+    m_dirtyGeometry = true;
+}
+
+void QSGDefaultImageNode::setSourceRect(const QRectF &rect)
+{
+    if (rect == m_sourceRect)
+        return;
+    m_sourceRect = rect;
+    m_dirtyGeometry = true;
+}
+
+
+void QSGDefaultImageNode::setFiltering(QSGTexture::Filtering filtering)
+{
+    if (m_material.filtering() == filtering)
+        return;
+
+    m_material.setFiltering(filtering);
+    m_materialO.setFiltering(filtering);
+    markDirty(DirtyMaterial);
+}
+
+
+void QSGDefaultImageNode::setMipmapFiltering(QSGTexture::Filtering filtering)
+{
+    if (m_material.mipmapFiltering() == filtering)
+        return;
+
+    m_material.setMipmapFiltering(filtering);
+    m_materialO.setMipmapFiltering(filtering);
+    markDirty(DirtyMaterial);
+}
+
+void QSGDefaultImageNode::setVerticalWrapMode(QSGTexture::WrapMode wrapMode)
+{
+    if (m_material.verticalWrapMode() == wrapMode)
+        return;
+
+    m_material.setVerticalWrapMode(wrapMode);
+    m_materialO.setVerticalWrapMode(wrapMode);
+    markDirty(DirtyMaterial);
+}
+
+void QSGDefaultImageNode::setHorizontalWrapMode(QSGTexture::WrapMode wrapMode)
+{
+    if (m_material.horizontalWrapMode() == wrapMode)
+        return;
+
+    m_material.setHorizontalWrapMode(wrapMode);
+    m_materialO.setHorizontalWrapMode(wrapMode);
+    markDirty(DirtyMaterial);
+}
+
+
+void QSGDefaultImageNode::setTexture(QSGTexture *texture)
+{
+    if (texture == m_material.texture())
+        return;
+
+    m_material.setTexture(texture);
+    m_materialO.setTexture(texture);
+    // Texture cleanup
+//    if (!texture.isNull())
+//        m_material.setBlending(texture->hasAlphaChannel());
+    markDirty(DirtyMaterial);
+
+    // Because the texture can be a different part of the atlas, we need to update it...
+    m_dirtyGeometry = true;
+}
+
+void QSGDefaultImageNode::update()
+{
+    if (m_dirtyGeometry)
+        updateGeometry();
+}
+
+void QSGDefaultImageNode::preprocess()
+{
+    bool doDirty = false;
+    QSGDynamicTexture *t = qobject_cast<QSGDynamicTexture *>(m_material.texture());
+    if (t) {
+        doDirty = t->updateTexture();
+        updateGeometry();
+    }
+// ### texture cleanup
+//    bool alpha = m_material.blending();
+//    if (!m_material->texture().isNull() && alpha != m_material.texture()->hasAlphaChannel()) {
+//        m_material.setBlending(!alpha);
+//        doDirty = true;
+//    }
+
+    if (doDirty)
+        markDirty(DirtyMaterial);
+}
+
+void QSGDefaultImageNode::updateGeometry()
+{
+    const QSGTexture *t = m_material.texture();
+    if (!t) {
+        QSGGeometry::updateTexturedRectGeometry(&m_geometry, QRectF(), QRectF());
+    } else {
+        QRectF textureRect = t->textureSubRect();
+        QRectF sr(textureRect.x() + m_sourceRect.x() * textureRect.width(),
+                  textureRect.y() + m_sourceRect.y() * textureRect.height(),
+                  m_sourceRect.width() * textureRect.width(),
+                  m_sourceRect.height() * textureRect.height());
+
+        QSGGeometry::updateTexturedRectGeometry(&m_geometry, m_targetRect, sr);
+    }
+    markDirty(DirtyGeometry);
+    m_dirtyGeometry = false;
+}
+
+QT_END_NAMESPACE