PrintDialog.h

#ifndef PRINTDIALOG_H
#define PRINTDIALOG_H

#include <QDialog>
#include <QtPrintSupport/QPrinterInfo>

#include "Document.h"

namespace Ui {
class PrintDialog;
}

class PrintDialog : public QDialog
{
    Q_OBJECT

public:
    explicit PrintDialog(QWidget *parent = 0, int numPages=1, int currentPage=1, QPrinter *printer=0, QString path="");
    ~PrintDialog();

    QString printRange();
    int copies();
    bool landscape() {return !m_portrait;}

    bool autoFit() {return m_bAutoFit;}
    bool autoFitRotate() {return m_bAutoFitRotate;}
    double autoFitScale() {return m_autoFitScale;}
    QPair<QString,QSizeF> paperSize();
    static int countPrinters();

private slots:
    void on_cancelButton_clicked();
    void on_printButton_clicked();
    void on_printerCombo_currentIndexChanged(int index);
    void on_allRadioButton_clicked();
    void on_currentRadioButton_clicked();
    void on_pagesRadioButton_clicked();
    void on_pageListEdit_textChanged();
    void on_pageSlider_valueChanged(int value);
    void onPreviewTimer();
    void on_paperSizeComboBox_currentIndexChanged(int index);
    void on_portraitRadio_clicked();
    void on_landscapeRadio_clicked();
    void on_autoFitCheckBox_clicked();

    void on_inchesRadioButton_clicked();

    void on_cmRadioButton_clicked();

private:
    void setSliderLabel(int val);
    void setupSlider();
    void updatePreview();
    void renderPreview();
    void onClose();
    void onNewPrinter();
    void updateSizeDisplay();

    Ui::PrintDialog *ui;
    int m_maxPages = 1;
    int m_currentPage = 1;
    QList<QPrinterInfo> m_printerList;
    QPrinter *m_printer;
    QString m_path;
    Document *m_document=0;

    Byte *m_bitmap = NULL;
    QImage *m_image = NULL;
    QPixmap m_pixmap;

    QTimer *m_timer = NULL;

    bool m_portrait = true;

    QList<QPair<QString,QSizeF>> m_paperSizes;

    double m_paperWidth = 8.5;
    double m_paperHeight = 11.0;

    bool m_bAutoFit = true;
    bool m_bAutoFitRotate = false;
    double m_autoFitScale = 1.0;
};

#endif // PRINTDIALOG_H