added crude pix analyser function

Author: dheerajshenoy

FITSExplorer.pro

@@ -14,6 +14,7 @@ INCLUDEPATH += include/
 VPATH += src/
 
 SOURCES += \
+    src/pixanalyser.cpp \
     src/roitablewidget.cpp \
     src/file.cpp \
     src/image_statistics_overview.cpp \
@@ -43,20 +44,23 @@ HEADERS += \
     include/mygraphicsview.h \
     include/overview.h \
     include/colormap.h \
+    include/pixanalyser.h \
     include/qcustomplot.h \
     include/toml.hpp \
     include/mystatusbar.h \
     include/listmarkers.h \
     include/marker.h \
     include/preferences.h \
     include/roirect.h \
-    include/roitablewidget.h
+    include/roitablewidget.h \
+    include/pixanalyzer.h
 
 FORMS += \
     FITSExplorer.ui \
     aboutdialog.ui \
     image_statistics_overview.ui \
     imagewidget.ui \
+    pixanalyser.ui \
     lightcurve.ui \
     listmarkers.ui \
     mystatusbar.ui \

FITSExplorer.ui

@@ -185,6 +185,7 @@
       <string>Image</string>
      </property>
      <addaction name="actionSelect"/>
+     <addaction name="actionPixel_Analysis"/>
     </widget>
     <widget class="QMenu" name="menuStatistics">
      <property name="enabled">
@@ -659,6 +660,14 @@
     <string>1700</string>
    </property>
   </action>
+  <action name="actionPixel_Analysis">
+   <property name="checkable">
+    <bool>true</bool>
+   </property>
+   <property name="text">
+    <string>Pixel Analysis</string>
+   </property>
+  </action>
  </widget>
  <customwidgets>
   <customwidget>

include/FITSExplorer.h

@@ -78,7 +78,6 @@ public slots:
     void update_HDU_Table(int);
     void newROIRect(QUuid, QRectF);
     void removeUUIDFromTable(QUuid);
-
 private slots:
     void OpenFile(QString filename = nullptr);
     void OpenRecent();
@@ -130,6 +129,8 @@ private slots:
     void on_reset_brightness_btn_clicked();
     void on_actionSelect_triggered();
 
+    void on_actionPixel_Analysis_triggered();
+
 private:
 
     void modeChangeUpdateStatusbar(Mode mode);
@@ -138,27 +139,26 @@ private slots:
     File *m_cur_file_ptr = nullptr;
     int m_file_index = -1;
     Ui::FITSExplorer *ui;
-    ImageWidget *img_widget = new ImageWidget();
+    // ImageWidget *img_widget = new ImageWidget();
     fitsfile *fptr;
     int status = 0;
     float *image_data;
     int width, height;
     QCPItemStraightLine *m_line;
     int m_nhdu;
     int m_nkeys;
-    MyGraphicsView *gv = img_widget->GetGraphicsView();
+    // MyGraphicsView *gv = img_widget->GetGraphicsView();
     Overview *overview = new Overview();
-    LightCurve *lc = new LightCurve(img_widget);
+    // LightCurve *lc = new LightCurve(img_widget);
     toml::value TOMLCFG;
     Colormap m_cur_colormap = Colormap::None;
     QCustomPlot *lightCurvePlot;
     QFile m_recentFile;
     void AddRecentFile(QString);
     QImage m_orig_img;
 
-    ImageWidget *m_img_widget = new ImageWidget();
+    // ImageWidget *m_img_widget = new ImageWidget();
     bool m_should_copy_before_applying_colormap = true;
 
-    friend class File;
 };
 #endif // DFITS_H

include/file.h

@@ -54,6 +54,7 @@ class File : public QObject
     Colormap getColormap();
     int getNKEYS();
     float* getImgData();
+    float getImgDataAt(QPoint );
     int getStatus();
     int getImgDim();
     int getImgSize(long *naxes);
@@ -72,8 +73,11 @@ class File : public QObject
     int getCurrentHDU();
     void fitToWidth(int);
     void setSelectMode(bool);
+    void setPixelAnalysisMode(bool);
     void setMode(Mode mode);
     Mode getMode();
+    void pix(QPoint);
+
 
 signals:
     void modeChanged(Mode);
@@ -99,7 +103,6 @@ class File : public QObject
     QImage m_orig_img;
     ImageWidget *m_img_widget = new ImageWidget();
     bool m_should_copy_before_applying_colormap = true;
-    bool m_select_mode = false;
     Mode m_mode  = Mode::NORMAL_MODE;
 };
 

include/imagewidget.h

@@ -44,8 +44,6 @@ class ImageWidget : public QStackedWidget
     QImage scaledImage;
     QImage originalImage;
 
-    float *image_data;
-
     double scaleFactor = 1;
 
 };

include/mode.h

@@ -5,7 +5,7 @@ enum Mode
 {
     NORMAL_MODE,
     SELECT_MODE,
-    PIXEL_ANALYSE_MODE
+    PIXEL_ANALYSIS_MODE
 };
 
 #endif // MODE_H

include/mygraphicsview.h

@@ -20,6 +20,8 @@
 #include "roirect.h"
 #include <QUuid>
 #include <QMap>
+#include "pixanalyser.h"
+#include <QGraphicsProxyWidget>
 
 class MyGraphicsView : public QGraphicsView
 {
@@ -42,14 +44,19 @@ class MyGraphicsView : public QGraphicsView
     void ZoomOut();
     void ShowAllMarkers();
     void setSelectMode(bool);
+    void setPixelAnalysisMode(bool);
     void ZoomIntoROI(QUuid uid);
     void ZoomIntoLastROI();
     void AddROIRect(ROIRect*);
     void DeleteROIRect(QUuid uid);
     void DeleteROIRect__for_table(QUuid uid);
     void HideROIRect(QUuid uid);
+    void HideROIRect__for_table(QUuid uid);
     int GetROIIndex();
     ROIRect* GetROIRect(QUuid uid);
+    PixAnalyser* getPixAnalyser();
+    void movePixAnalyser(QPoint);
+    void setPixValue(float);
 
 signals:
     void mouseMoved(QPointF);
@@ -61,6 +68,7 @@ class MyGraphicsView : public QGraphicsView
     void markersHidden(bool);
     void newROIRect(QUuid, QRectF);
     void signalROITable(QUuid);
+    void pixelAnalysisRequested(QPoint);
 
 private slots:
     void __changeMarkerLineColor(int, QColor);
@@ -81,22 +89,20 @@ private slots:
 
     QShortcut *kb_zoom_in, *kb_zoom_out, *kb_roi_zoom;
     void initShortcuts();
-
     int m_roi_index = -1;
-
     QPixmap m_pix;
     QGraphicsScene *m_scene = new QGraphicsScene();
     QGraphicsPixmapItem *m_img;
     bool m_markerMode = false;
+    bool m_select_mode = false;
+    bool m_pix_analysis_mode = false;
     ListMarkers* lm = new ListMarkers();
     QVector<Marker*> m_markerList;
-
     QRubberBand *m_rubberband = nullptr;
-
     QPoint m_roi_start_pos, m_roi_end_pos;
-    bool m_select_mode = false;
-
     QMap<QUuid , ROIRect*> m_roi_map;
+
+    PixAnalyser *m_pix_analyser = nullptr;
 };
 
 #endif

include/pixanalyser.h

@@ -0,0 +1,27 @@
+#ifndef PIXANALYSER_H
+#define PIXANALYSER_H
+
+#include <QWidget>
+
+namespace Ui {
+class PixAnalyser;
+}
+
+class PixAnalyser : public QWidget
+{
+    Q_OBJECT
+
+public:
+    explicit PixAnalyser(QWidget *parent = nullptr);
+    ~PixAnalyser();
+
+    void setPixValue(float);
+    float getPixValue();
+    void setImg(QImage img);
+    QImage getImg();
+
+private:
+    Ui::PixAnalyser *ui;
+};
+
+#endif // PIXANALYSER_H

include/roitablewidget.h

@@ -24,17 +24,21 @@ class ROITableWidget : public QWidget
 
 signals:
     void deleteROI(QUuid uid);
+    void hideROI(QUuid uid);
+    void showROI(QUuid uid);
 
 private:
     Ui::ROITableWidget *ui;
     void showContextMenu(const QPoint &pos);
 
     void handleHide();
+    void handleShow();
     void handleClose();
     void handleZoom();
     void handleDelete();
 
     QAction *m_delete_action = new QAction("Delete");
+    QAction * m_show_action = new QAction("Show");
     QAction * m_hide_action = new QAction("Hide");
     QAction *m_close_action = new QAction("Close");
     QAction* m_zoom_action = new QAction("Zoom");

pixanalyser.ui

@@ -0,0 +1,56 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>PixAnalyser</class>
+ <widget class="QWidget" name="PixAnalyser">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>400</width>
+    <height>300</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Form</string>
+  </property>
+  <property name="styleSheet">
+   <string notr="true">background-color: black;</string>
+  </property>
+  <layout class="QVBoxLayout" name="verticalLayout">
+   <item>
+    <widget class="QLabel" name="preview_label">
+     <property name="sizePolicy">
+      <sizepolicy hsizetype="Preferred" vsizetype="Minimum">
+       <horstretch>0</horstretch>
+       <verstretch>0</verstretch>
+      </sizepolicy>
+     </property>
+     <property name="text">
+      <string>IMG PREVIEW</string>
+     </property>
+     <property name="alignment">
+      <set>Qt::AlignmentFlag::AlignCenter</set>
+     </property>
+    </widget>
+   </item>
+   <item>
+    <widget class="QLabel" name="pixvalue_label">
+     <property name="sizePolicy">
+      <sizepolicy hsizetype="Preferred" vsizetype="Maximum">
+       <horstretch>0</horstretch>
+       <verstretch>0</verstretch>
+      </sizepolicy>
+     </property>
+     <property name="text">
+      <string>PIX VALUE</string>
+     </property>
+     <property name="alignment">
+      <set>Qt::AlignmentFlag::AlignCenter</set>
+     </property>
+    </widget>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>