CG2_Tasks/imageviewer-qt4.h

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** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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#ifndef IMAGEVIEWER_H
#define IMAGEVIEWER_H
#include <QtGlobal>
#include <QMainWindow>
#include <QPrinter>
#include <QtGui>
#include <QResizeEvent>
#include <QPushButton>
#include <QSlider>
#include <QColor>
#include <QDoubleSpinBox>
#include <math.h>
#include "fstream"
#include <iostream>
#include "lazy_image.cpp"
#include "filter_gui.cpp"
#include "canny_edge_machine.cpp"
#include "hough_machine.cpp"
class QAction;
class QLabel;
class QMenu;
class QScrollArea;
class QScrollBar;
class QTextEdit;
class QVBoxLayout;
class QTabWidget;
class QPushButton;
class QSpinBox;
class ImageViewer : public QMainWindow {
Q_OBJECT
private:
// First task tab
QWidget* task_tab1_widget;
QVBoxLayout* task_tab1_vboxlayout;
QWidget* task_tab1_scrollwidget;
QScrollArea* task_tab1_scrollarea;
QVBoxLayout* task_tab1_scrolllayout;
QPushButton* draw_black_line;
QPushButton* draw_rainbow_cross;
QPushButton* diagonal_cross;
QPushButton* monochrome;
QPushButton* reset_working_copy;
QPushButton* save_to_original;
QSlider* line_slider;
// Second task tab
QWidget* task_tab2_widget;
QVBoxLayout* task_tab2_vboxlayout;
QWidget* task_tab2_scrollwidget;
QScrollArea* task_tab2_scrollarea;
QVBoxLayout* task_tab2_scrolllayout;
QLabel* reference_stats;
QLabel* original_stats;
QLabel* stats;
QLabel* reference_histogramm_label;
QLabel* original_histogramm_label;
QLabel* histogramm_label;
QPushButton* analyze_image;
QSlider* brightness_slider;
QSlider* contrast_slider;
QSlider* contrast_percentile_slider;
// Third task tab
QWidget* task_tab3_widget;
QVBoxLayout* task_tab3_vboxlayout;
QWidget* task_tab3_scrollwidget;
QScrollArea* task_tab3_scrollarea;
QVBoxLayout* task_tab3_scrolllayout;
QLabel* reference_histogramm_cumulative_label;
QLabel* original_histogramm_cumulative_label;
QLabel* histogramm_cumulative_label;
QSlider* partial_adaption_pieces_slider;
QPushButton* linear_histogramm_adaption;
QPushButton* partial_linear_histogramm_adaption;
QPushButton* succeeding_histogramm_adaption;
// Fourth task tabWidget
QWidget* task_tab4_widget;
QVBoxLayout* task_tab4_vboxlayout;
QWidget* task_tab4_scrollwidget;
QScrollArea* task_tab4_scrollarea;
QVBoxLayout* task_tab4_scrolllayout;
QSlider* filter_size_slider;
FilterGui* filter_gui;
QPushButton* apply_filter;
QComboBox* filter_mode_combobox;
QPushButton* apply_border_mode_filter;
// Fifth task tabWidget
QWidget* task_tab5_widget;
QVBoxLayout* task_tab5_vboxlayout;
QWidget* task_tab5_scrollwidget;
QScrollArea* task_tab5_scrollarea;
QVBoxLayout* task_tab5_scrolllayout;
QDoubleSpinBox* gauss_filter_size;
QDoubleSpinBox* gauss_filter_sigma;
QDoubleSpinBox* t_low_spinbox;
QDoubleSpinBox* t_high_spinbox;
QPushButton* run_canny_edge;
QPushButton* run_canny_edge_first_step;
QPushButton* run_canny_edge_second_step;
QPushButton* run_canny_edge_third_step;
QPushButton* run_usm;
QDoubleSpinBox* usm_sharpening;
QDoubleSpinBox* usm_gauss_width;
QDoubleSpinBox* usm_gauss_sigma;
// Sixth task tabWidget
QWidget* task_tab6_widget;
QVBoxLayout* task_tab6_vboxlayout;
QWidget* task_tab6_scrollwidget;
QScrollArea* task_tab6_scrollarea;
QVBoxLayout* task_tab6_scrolllayout;
QDoubleSpinBox* hough_pixel_threshold;
QPushButton* run_hough_transformation;
// "My" space for storing data/results
LazyImage* original;
LazyImage* working_copy;
LazyImage* histogramm_reference;
CannyEdgeMachine* canny_edge_machine;
private slots:
// Custom slots
void drawBlackLine();
void drawRainbowCross();
void drawDiagonalCross();
void analyzeImage();
void adjustBrightness(int b);
void adjustContrast(int c);
void convertToMonochrome();
void resetWorkingCopy();
void saveToOriginal();
void robustAutomaticContrastAdaption(int c_param);
void linearHistogrammAdaption();
void partialLinearHistogrammAdaption();
void succeedingHistogrammAdaption();
void changeFilterSize(int s);
void applyBasicFilter();
void applyBasicFilterWithOverflowHandling();
void runCannyEdge(void);
void runCannyEdgeFirstStep(void);
void runCannyEdgeSecondStep(void);
void runCannyEdgeThirdStep(void);
void doUnsharpMasking(void);
void runHoughTransformation(void);
void open();
void openReference();
void print();
void zoomIn();
void zoomOut();
void normalSize();
void fitToWindow();
void about();
public:
ImageViewer();
bool loadFile(const QString &);
void updateImageDisplay();
protected:
void resizeEvent(QResizeEvent * event);
private:
// Custom methods
int calcIntensity(int r, int g, int b);
void drawRainbowCross(int h);
int getAverageIntensity();
int getIntensityVariance();
void generateControlPanels();
void startLogging();
void generateMainGui();
void createActions();
void createMenus();
void updateActions();
void scaleImage(double factor);
void adjustScrollBar(QScrollBar *scrollBar, double factor);
void initializeImage();
void renewLogging();
QTabWidget* tabWidget;
QTextEdit* logBrowser;
QWidget* centralwidget;
QLabel* imageLabel;
QScrollArea* scrollArea;
double scaleFactor;
std::fstream logFile;
#ifndef QT_NO_PRINTER
QPrinter printer;
#endif
QAction *openAct;
QAction *openHistAct;
QAction *printAct;
QAction *exitAct;
QAction *zoomInAct;
QAction *zoomOutAct;
QAction *normalSizeAct;
QAction *fitToWindowAct;
QAction *aboutAct;
QAction *aboutQtAct;
QMenu *fileMenu;
QMenu *viewMenu;
QMenu *helpMenu;
};
#endif