datacontainerinspectorwidget.h 7.11 KB
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// ================================================================================================
// 
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// This file is part of the CAMPVis Software Framework.
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// 
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// If not explicitly stated otherwise: Copyright (C) 2012-2013, all rights reserved,
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//      Christian Schulte zu Berge <christian.szb@in.tum.de>
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//      Chair for Computer Aided Medical Procedures
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//      Technische Universität München
//      Boltzmannstr. 3, 85748 Garching b. München, Germany
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// 
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// For a full list of authors and contributors, please refer to the file "AUTHORS.txt".
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// 
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// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file 
// except in compliance with the License. You may obtain a copy of the License at
// 
// http://www.apache.org/licenses/LICENSE-2.0
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// 
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// Unless required by applicable law or agreed to in writing, software distributed under the 
// License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, 
// either express or implied. See the License for the specific language governing permissions 
// and limitations under the License.
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// 
// ================================================================================================

#ifndef DATACONTAINERINSPECTORWIDGET_H__
#define DATACONTAINERINSPECTORWIDGET_H__

#include "sigslot/sigslot.h"
#include "tgt/painter.h"
#include "tgt/qt/qtcontextmanager.h"
#include "tgt/qt/qtthreadedcanvas.h"
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#include "tbb/mutex.h"
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#include "application/gui/qtdatahandle.h"
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#include "application/gui/datacontainerinspectorcanvas.h"
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#include "application/gui/properties/propertycollectionwidget.h"
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#include "core/tools/opengljobprocessor.h"

#include <QLabel>
#include <QWidget>
#include <QVBoxLayout>
#include <QHBoxLayout>
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#include <QString>
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#include <QPushButton>
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class QModelIndex;
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class QItemSelection;
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namespace tgt {
    class Texture;
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    class TextureUnit;
    class Shader;
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}

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namespace campvis {
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    class AbstractPipeline;
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    class DataContainer;
    class DataContainerTreeWidget;
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    class FaceGeometry;
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    class DataContainerInspectorWidget : public QWidget, public sigslot::has_slots<> {
        Q_OBJECT;

    public:
        /**
         * Creates a new DataContainerInspectorWidget.
         * \param   parent          Parent Qt widget, may be 0 (default)
         */
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        explicit DataContainerInspectorWidget(QWidget* parent = 0);
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        /**
         * Destructor.
         */
        ~DataContainerInspectorWidget();

        /**
         * Set the DataContainer this widget is inspecting.
         * \param   dataContainer   The DataContainer this widget shall inspect, may be 0.
         */
        void setDataContainer(DataContainer* dataContainer);

        /**
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         * Slot called when _dataContainer has changed and emitted the s_dataAdded signal.
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         */
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        void onDataContainerDataAdded(const std::string&, const DataHandle&);
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        void mousePressEvent(QMouseEvent*) {
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            updateInfoWidget();
        }
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        /**
         * Size hint for the default window size
         * \return QSize(640, 480)
         */
        QSize sizeHint() const;
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        /**
         * Initializes the OpenGL stuff (e.g. shaders).
         * Must be called with a valid and locked OpenGL context.
         */
        virtual void init();

        /**
         * Deinitializes the OpenGL stuff (e.g. shaders).
         * Must be called with a valid and locked OpenGL context.
         */
        void deinit();
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        /**
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         * Updates color of the info widget
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         */
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        void updateColor();
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        /**
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         * Updates depth of the info widget
         */
        void updateDepth();

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    signals:
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        void dataContainerChanged(const QString&, QtDataHandle);
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    private slots:
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        /**
         * Slot to be called when the selection in the DataContainerTreeWidget has changed.
         * \param selected      selected items
         * \param deselected    deselected items
         */
        void onDCTWidgetSelectionModelSelectionChanged(const QItemSelection& selected, const QItemSelection& deselected);

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        /**
         * Slot being called when the user clicks on the "Save to File" button.
         */
        void onBtnSaveToFileClicked();

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        /**
         * Slot being called when the user clicks on the "Load File" button.
         */
        void onBtnLoadFileClicked();

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        void onDataContainerUpdated(const QString&, QtDataHandle);

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    protected:
        /**
         * Setup the GUI stuff
         */
        void setupGUI();

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        /**
         * Saves the Image in \a handle to the file \a filename.
         * \note    This method must be called with a valid OpenGL context!
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         * \param handle    DataHandle containing the image to save. Must contain ImageData or RenderData!
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         * \param filename  Filename for the file to save.
         */
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    protected:
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        static void saveToFile(DataHandle handle, std::string filename);

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        /**
         * Returns a string with \a numBytes humanized (i.e. "numBytes/1024^n [KMG]Byte")
         * \param   numBytes    Number of bytes to be converted.
         * \return  "numBytes/1024^n [KMG]Bytes
         */
        QString humanizeBytes(size_t numBytes) const;

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        /**
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         * Updates _infoWidget
         */
        void updateInfoWidget();

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        bool _inited;

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        DataContainer* _dataContainer;                  ///< The DataContainer this widget is inspecting
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        DataContainerTreeWidget* _dctWidget;            ///< The TreeWidget showing the DataHandles in _dataContainer
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        DataContainerInspectorCanvas* _canvas;          ///< The OpenGL canvas for rendering the DataContainer's contents
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        PropertyCollectionWidget* _pcWidget;
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        QHBoxLayout* _mainLayout;                       ///< Layout for this widget
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        QWidget* _infoWidget;                           ///< Widget showing the information about the selected QtDataHandle
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        QVBoxLayout* _infoWidgetLayout;                 ///< Layout for the _infoWidget

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        QLabel*  _lblName;
        QLabel*  _lblLocalMemoryFootprint;
        QLabel*  _lblVideoMemoryFootprint;
        QLabel*  _lblTimestamp;
        QLabel*  _lblSize;
        QLabel*  _lblBounds;
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        QWidget* _colorWidget;                          ///< The widget use to show the color value and the color in a single window
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        QHBoxLayout* _colorWidgetLayout;                ///< Layout for the following widget
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        QLabel*  _lblColorVal;                          ///< Color Label Value in text
        QWidget* _colorValWidget;                       ///< Widget that shows the color value in color
        QPalette* _ColorValWidgetPalette;               ///< Palette which will be used to colorize the color widget
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        QPushButton* _btnSaveToFile;
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        // Added by Hossain Mahmud  <mahmud@in.tum.de>
        // Date: January 02, 2014
        QPushButton* _btnLoadFile;
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        static const std::string loggerCat_;
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    };
}

#endif // DATACONTAINERINSPECTORWIDGET_H__