Spectrum1DCanvas.h

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// --------------------------------------------------------------------------
//                   OpenMS -- Open-Source Mass Spectrometry
// --------------------------------------------------------------------------
// Copyright The OpenMS Team -- Eberhard Karls University Tuebingen,
// ETH Zurich, and Freie Universitaet Berlin 2002-2012.
//
// This software is released under a three-clause BSD license:
//  * Redistributions of source code must retain the above copyright
//    notice, this list of conditions and the following disclaimer.
//  * Redistributions in binary form must reproduce the above copyright
//    notice, this list of conditions and the following disclaimer in the
//    documentation and/or other materials provided with the distribution.
//  * Neither the name of any author or any participating institution
//    may be used to endorse or promote products derived from this software
//    without specific prior written permission.
// For a full list of authors, refer to the file AUTHORS.
// --------------------------------------------------------------------------
// 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 ANY OF THE AUTHORS OR THE CONTRIBUTING
// INSTITUTIONS 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.
//
// --------------------------------------------------------------------------
// $Maintainer:  Timo Sachsenberg$
// $Authors: Marc Sturm $
// --------------------------------------------------------------------------

#ifndef OPENMS_VISUAL_SPECTRUM1DCANVAS_H
#define OPENMS_VISUAL_SPECTRUM1DCANVAS_H

// STL
#include <vector>
#include <utility>

// OpenMS
#include <OpenMS/VISUAL/SpectrumCanvas.h>

//QT
class QAction;

namespace OpenMS
{
  class OPENMS_GUI_DLLAPI Spectrum1DCanvas :
    public SpectrumCanvas
  {
    Q_OBJECT

public:
    enum LabelMode
    {
      LM_XABSOLUTE_YABSOLUTE,
      LM_XPERCENT_YABSOLUTE,
      LM_XABSOLUTE_YPERCENT,
      LM_XPERCENT_YPERCENT
    };

    Spectrum1DCanvas(const Param & preferences, QWidget * parent = 0);
    virtual ~Spectrum1DCanvas();

    enum DrawModes
    {
      DM_PEAKS,                                 //< draw data as peak
      DM_CONNECTEDLINES                 //< draw as connected lines
    };

    DrawModes getDrawMode() const;

    void setDrawMode(DrawModes mode);

    // Docu in base class
    virtual void showCurrentLayerPreferences();

    // Docu in base class
    virtual void saveCurrentLayer(bool visible);

    bool flippedLayersExist();

    void flipLayer(Size index);

    bool mirrorModeActive();

    void setMirrorModeActive(bool b);

    void dataToWidget(const PeakType & peak, QPoint & point, bool flipped = false, bool percentage = true);

    void dataToWidget(DoubleReal x, DoubleReal y, QPoint & point, bool flipped = false, bool percentage = false);

    PointType widgetToData(const QPoint & pos, bool percentage = false);

    PointType widgetToData(DoubleReal x, DoubleReal y, bool percentage = false);


    Annotation1DItem * addPeakAnnotation(PeakIndex peak_index, QString text, QColor color);

    void drawAnnotations(Size layer_index, QPainter & painter);


    void performAlignment(Size layer_index_1, Size layer_index_2, const Param & param);

    void resetAlignment();

    void drawAlignment(QPainter & painter);

    Size getAlignmentSize();

    DoubleReal getAlignmentScore();

    std::vector<std::pair<Size, Size> > getAlignedPeaksIndices();

    void activateSpectrum(Size index, bool repaint = true);

    void setSwappedAxis(bool swapped);

    void setCurrentLayerPeakPenStyle(Qt::PenStyle ps);

    void paint(QPainter * paint_device, QPaintEvent * e);
signals:
    void showCurrentPeaksAs2D();
    void showCurrentPeaksAs3D();

public slots:
    // Docu in base class
    void activateLayer(Size layer_index);
    // Docu in base class
    void removeLayer(Size layer_index);
    //docu in base class
    virtual void updateLayer(Size i);

    void setVisibleArea(DRange<2> range);         //Do not change this to AreaType the signal needs QT needs the exact type...
    // Docu in base class
    virtual void horizontalScrollBarChange(int value);

protected slots:

    void currentLayerParamtersChanged_();

protected:
    // Docu in base class
    bool finishAdding_();

    void drawCoordinates_(QPainter & painter, const PeakIndex & peak);
    void drawDeltas_(QPainter & painter, const PeakIndex & start, const PeakIndex & end);

    void changeVisibleArea_(double lo, double hi, bool repaint = true, bool add_to_stack = false);

    void drawHighlightedPeak_(Size layer_index, const PeakIndex & peak, QPainter & painter, bool draw_elongation = false);

    void drawDashedLine_(const QPoint & from, const QPoint & to, QPainter & painter);

    void updatePercentageFactor_(Size layer_index);

    virtual void changeVisibleArea_(const AreaType & new_area, bool repaint = true, bool add_to_stack = false);
    // Docu in base class
    virtual void recalculateSnapFactor_();
    // Docu in base class
    virtual void updateScrollbars_();
    // Docu in base class
    virtual void intensityModeChange_();

    std::vector<DrawModes> draw_modes_;
    std::vector<Qt::PenStyle> peak_penstyle_;

    QPoint measurement_start_point_;
    bool mirror_mode_;

    bool moving_annotations_;

    bool show_alignment_;
    Size alignment_layer_1_;
    Size alignment_layer_2_;
    std::vector<std::pair<DoubleReal, DoubleReal> > aligned_peaks_mz_delta_;
    std::vector<std::pair<Size, Size> > aligned_peaks_indices_;

    DoubleReal alignment_score_;
    bool is_swapped_;

    PeakIndex findPeakAtPosition_(QPoint);

    void addUserLabelAnnotation_(const QPoint & screen_position);
    void addLabelAnnotation_(const QPoint & screen_position, QString label_text);
    void addUserPeakAnnotation_(PeakIndex near_peak);

    void ensureAnnotationsWithinDataRange_();

    void paintEvent(QPaintEvent * e);
    void mousePressEvent(QMouseEvent * e);
    void mouseReleaseEvent(QMouseEvent * e);
    void mouseMoveEvent(QMouseEvent * e);
    void keyPressEvent(QKeyEvent * e);
    void contextMenuEvent(QContextMenuEvent * e);

    virtual void zoomForward_();
    //docu in base class
    virtual void translateLeft_();
    //docu in base class
    virtual void translateRight_();
    //docu in base class
    virtual void paintGridLines_(QPainter & painter);
  };
} // namespace OpenMS

#endif