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Diffstat (limited to 'src/quick/scenegraph/util/qsgtexture.h')
-rw-r--r-- | src/quick/scenegraph/util/qsgtexture.h | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/src/quick/scenegraph/util/qsgtexture.h b/src/quick/scenegraph/util/qsgtexture.h new file mode 100644 index 0000000000..6fdab9f401 --- /dev/null +++ b/src/quick/scenegraph/util/qsgtexture.h @@ -0,0 +1,132 @@ +/**************************************************************************** +** +** 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. +** +** $QT_BEGIN_LICENSE:LGPL$ +** 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. +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QSGTEXTURE_H +#define QSGTEXTURE_H + +#include <QtQuick/qtquickglobal.h> +#include <QObject> +#include <QImage> + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + +class QSGTexturePrivate; +class Q_QUICK_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 QSGTexture *removedFromAtlas() const; + + 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 Q_QUICK_EXPORT QSGDynamicTexture : public QSGTexture +{ + Q_OBJECT +public: + virtual bool updateTexture() = 0; +}; + +QT_END_NAMESPACE + +QT_END_HEADER + +#endif |