1 files changed, 132 insertions, 0 deletions
diff --git a/src/declarative/scenegraph/util/qsgtexture.h b/src/declarative/scenegraph/util/qsgtexture.h
new file mode 100644
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+++ b/src/declarative/scenegraph/util/qsgtexture.h
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+/****************************************************************************
+**
+** 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.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QSGTEXTURE_H
+#define QSGTEXTURE_H
+
+#include <QObject>
+#include <QImage>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Declarative)
+
+class QSGTexturePrivate;
+class Q_DECLARATIVE_EXPORT QSGTexture : public QObject
+{
+    Q_OBJECT
+    Q_DECLARE_PRIVATE(QSGTexture)
+
+public:
+    QSGTexture();
+    ~QSGTexture();
+
+    enum WrapMode {
+        Repeat,
+        ClampToEdge
+    };
+
+    enum Filtering {
+        None,
+        Nearest,
+        Linear
+    };
+
+    virtual int textureId() const = 0;
+    virtual QSize textureSize() const = 0;
+    virtual bool hasAlphaChannel() const = 0;
+    virtual bool hasMipmaps() const = 0;
+
+    virtual QRectF textureSubRect() const;
+
+    virtual bool isAtlasTexture() const;
+    virtual void removeFromAtlas();
+
+    virtual void bind() = 0;
+    void updateBindOptions(bool force = false);
+
+    void setMipmapFiltering(Filtering filter);
+    QSGTexture::Filtering mipmapFiltering() const;
+
+    void setFiltering(Filtering filter);
+    QSGTexture::Filtering filtering() const;
+
+    void setHorizontalWrapMode(WrapMode hwrap);
+    QSGTexture::WrapMode horizontalWrapMode() const;
+
+    void setVerticalWrapMode(WrapMode vwrap);
+    QSGTexture::WrapMode verticalWrapMode() const;
+
+    inline QRectF convertToNormalizedSourceRect(const QRectF &rect) const;
+
+protected:
+    QSGTexture(QSGTexturePrivate &dd);
+};
+
+QRectF QSGTexture::convertToNormalizedSourceRect(const QRectF &rect) const
+{
+    QSize s = textureSize();
+    QRectF r = textureSubRect();
+
+    qreal sx = r.width() / s.width();
+    qreal sy = r.height() / s.height();
+
+    return QRectF(r.x() + rect.x() * sx,
+                  r.y() + rect.y() * sy,
+                  rect.width() * sx,
+                  rect.height() * sy);
+}
+
+
+class QSGDynamicTexture : public QSGTexture
+{
+    Q_OBJECT
+public:
+    virtual bool updateTexture() = 0;
+};
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif