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teximage3d_p.h 5.18 KiB
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/****************************************************************************
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**
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** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/legal
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**
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** This file is part of the QtCanvas3D module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Digia.  For licensing terms and
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** conditions see http://qt.digia.com/licensing.  For further information
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** use the contact form at http://qt.digia.com/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 3 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPLv3 included in the
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** packaging of this file.  Please review the following information to
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** ensure the GNU Lesser General Public License version 3 requirements
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** will be met: https://www.gnu.org/licenses/lgpl.html.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 2.0 or later as published by the Free
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** Software Foundation and appearing in the file LICENSE.GPL included in
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** the packaging of this file.  Please review the following information to
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** ensure the GNU General Public License version 2.0 requirements will be
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** met: http://www.gnu.org/licenses/gpl-2.0.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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//
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//  W A R N I N G
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//  -------------
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//
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// This file is not part of the QtCanvas3D API.  It exists purely as an
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// implementation detail.  This header file may change from version to
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// version without notice, or even be removed.
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//
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// We mean it.
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#ifndef TEXIMAGE3D_P_H
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#define TEXIMAGE3D_P_H
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#include "context3d_p.h"
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#include "abstractobject3d_p.h"
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#include <QtCore/QUrl>
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#include <QtGui/QImage>
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#include <QtNetwork/QNetworkAccessManager>
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#include <QtNetwork/QNetworkReply>
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class CanvasTextureImageFactory : public QObject
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{
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    Q_OBJECT
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    Q_DISABLE_COPY(CanvasTextureImageFactory)
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public:
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    static QObject *texture_image_factory_provider(QQmlEngine *engine, QJSEngine *scriptEngine);
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    static CanvasTextureImageFactory *factory(QQmlEngine *engine);
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    explicit CanvasTextureImageFactory(QQmlEngine *engine, QObject *parent = 0);
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    ~CanvasTextureImageFactory();
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    void handleImageLoadingStarted(CanvasTextureImage *image);
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    void notifyLoadedImages();
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Q_INVOKABLE CanvasTextureImage* newTexImage(); private: QQmlEngine *m_qmlEngine; QList<CanvasTextureImage *> m_loadingImagesList; }; class CanvasTextureImage : public CanvasAbstractObject { Q_OBJECT Q_DISABLE_COPY(CanvasTextureImage) Q_PROPERTY(QUrl src READ src WRITE setSrc NOTIFY srcChanged) Q_PROPERTY(TextureImageState imageState READ imageState NOTIFY imageStateChanged) Q_PROPERTY(int width READ width NOTIFY widthChanged) Q_PROPERTY(int height READ height NOTIFY heightChanged) Q_PROPERTY(QString errorString READ errorString NOTIFY errorStringChanged) Q_ENUMS(TextureImageState) public: enum TextureImageState { INITIALIZED = 0, LOAD_PENDING, LOADING, LOADING_FINISHED, LOADING_ERROR }; Q_INVOKABLE explicit CanvasTextureImage(CanvasTextureImageFactory *parent = 0); virtual ~CanvasTextureImage(); Q_INVOKABLE CanvasTextureImage *create(); Q_INVOKABLE ulong id(); Q_INVOKABLE CanvasTextureImage *resize(int width, int height); QVariant *anything() const; void setAnything(QVariant *value); const QUrl &src() const; void setSrc(const QUrl &src); TextureImageState imageState() const; int width() const; int height() const; QString errorString() const; void emitImageLoaded(); void emitImageLoadingError(); void load(); void handleReply(QNetworkReply *reply); QImage &getImage(); uchar *convertToFormat(CanvasContext::glEnums format, bool flipY = false); friend QDebug operator<< (QDebug d, const CanvasTextureImage *buffer); private: void setImageState(TextureImageState state); explicit CanvasTextureImage(const QImage &source, int width, int height, QObject *parent = 0); signals: void srcChanged(QUrl source); void imageStateChanged(TextureImageState state); void widthChanged(int width); void heightChanged(int height); void errorStringChanged(const QString errorString); void anythingChanged(QVariant *value); void imageLoadingStarted(CanvasTextureImage *image); void imageLoaded(CanvasTextureImage *image); void imageLoadingFailed(CanvasTextureImage *image); private:
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QNetworkAccessManager *m_networkAccessManager; QImage m_image; QUrl m_source; TextureImageState m_state; QString m_errorString; uchar *m_pixelCache; CanvasContext::glEnums m_pixelCacheFormat; bool m_pixelCacheFlipY; QImage m_glImage; QVariant *m_anyValue; CanvasTextureImageFactory *m_parentFactory; }; #endif // TEXIMAGE3D_P_H