datacontainerinspectorwidget.h 6.33 KB
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// ================================================================================================
// 
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// This file is part of the CAMPVis Software Framework.
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// 
// If not explicitly stated otherwise: Copyright (C) 2012, 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
//      Technische Universitt Mnchen
//      Boltzmannstr. 3, 85748 Garching b. Mnchen, Germany
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// For a full list of authors and contributors, please refer to the file "AUTHORS.txt".
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// 
// The licensing of this softare is not yet resolved. Until then, redistribution in source or
// binary forms outside the CAMP chair is not permitted, unless explicitly stated in legal form.
// However, the names of the original authors and the above copyright notice must retain in its
// original state in any case.
// 
// Legal disclaimer provided by the BSD license:
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY 
// AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR 
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 
// OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
// 
// ================================================================================================

#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 "application/gui/qtdatahandle.h"
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#include "application/gui/datacontainerinspectorcanvas.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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class QModelIndex;

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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)
         */
        DataContainerInspectorWidget(QWidget* parent = 0);

        /**
         * 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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        /**
         * 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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    signals:
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        void dataContainerChanged(const QString&, QtDataHandle);
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    private slots:
        /**
         * Slot to be called by the DataContainerTreeWidget when the selected item changes.
         * \param   index   Index of the selected item
         */
        void onDCTWidgetItemClicked(const QModelIndex& index);

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        /**
         * Slot to be called by the DataContainerTreeWidget when the data has changed.
         * \param   topLeft     
         * \param   bottomRight 
         */
        void onDCTWidgetDataChanged(const QModelIndex& topLeft, const QModelIndex& bottomRight);

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

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

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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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        tgt::Shader* _paintShader;
        FaceGeometry* _quad;                            ///< Quad used for rendering
        int _currentSlice;                           ///< current slice if rendering a 3D image fullscreen, render MIP if negative

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        DataContainer* _dataContainer;                  ///< The DataContainer this widget is inspecting
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        QtDataHandle _selectedDataHandle;               ///< The currently selected QtDataHandle
        QString _selectedDataHandleName;                ///< The name of the currently selected QtDataHandle
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        tgt::ivec2 _selectedIndex;                      ///< row/column of selected item
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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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        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

        QLabel* _lblName;
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        QLabel* _lblLocalMemoryFootprint;
        QLabel* _lblVideoMemoryFootprint;
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        QLabel* _lblTimestamp;
    };
}

#endif // DATACONTAINERINSPECTORWIDGET_H__