qprinter.cpp File Reference

#include "qprinter_p.h"
#include "qprinter.h"
#include "qprintengine.h"
#include "qprinterinfo.h"
#include "qlist.h"
#include <qpagesetupdialog.h>
#include <qapplication.h>
#include <qfileinfo.h>
#include "private/qcups_p.h"
#include <private/qprintengine_win_p.h>
#include <private/qprintengine_ps_p.h>
#include <private/qt_x11_p.h>
#include "qprintengine_pdf_p.h"
#include <qpicture.h>
#include <private/qpaintengine_preview_p.h>

Go to the source code of this file.

Macros
#define	ABORT_IF_ACTIVE(location)

Functions
QPrinter::PaperSize	qSizeFTopaperSize (const QSizeF &size)
double	qt_multiplierForUnit (QPrinter::Unit unit, int resolution)
	return the multiplier of converting from the unit value to postscript-points. More...
QSizeF	qt_paperSizeToQSizeF (QPrinter::PaperSize size)
QSizeF	qt_printerPaperSize (QPrinter::Orientation orientation, QPrinter::PaperSize paperSize, QPrinter::Unit unit, int resolution)

Variables
static const float	qt_paperSizes [][2]

Macro Definition Documentation

ABORT_IF_ACTIVE

#define ABORT_IF_ACTIVE

(

location

)

Value:

if (d->printEngine->printerState() == QPrinter::Active) { \
        qWarning("%s: Cannot be changed while printer is active", location); \
        return; \
    }

Definition at line 82 of file qprinter.cpp.

Referenced by QPrinter::setCollateCopies(), QPrinter::setColorMode(), QPrinter::setCopyCount(), QPrinter::setCreator(), QPrinter::setDocName(), QPrinter::setNumCopies(), QPrinter::setOutputFileName(), QPrinter::setPageOrder(), QPrinter::setPaperSize(), QPrinter::setPrinterName(), QPrinter::setPrintProgram(), QPrinter::setResolution(), and QPrinter::setWinPageSize().

Function Documentation

qSizeFTopaperSize()

QPrinter::PaperSize qSizeFTopaperSize

(

const QSizeF &

size

)

Definition at line 2629 of file qprinter.cpp.

Referenced by QPrinterInfo::supportedPaperSizes().

{
    for (int i = 0; i < static_cast<int>(QPrinter::NPaperSize); ++i) {
        if (qt_paperSizes[i][0] >= size.width() - 1 &&
                qt_paperSizes[i][0] <= size.width() + 1 &&
                qt_paperSizes[i][1] >= size.height() - 1 &&
                qt_paperSizes[i][1] <= size.height() + 1) {
            return QPrinter::PaperSize(i);
        }
    }

    return QPrinter::Custom;
}

qt_multiplierForUnit()

double qt_multiplierForUnit	(	QPrinter::Unit	unit,
		int	resolution
	)

return the multiplier of converting from the unit value to postscript-points.

Definition at line 123 of file qprinter.cpp.

Referenced by QPageSetupWidget::_q_pageOrientationChanged(), QPrinter::getPageMargins(), QPrinter::pageRect(), QPrinter::paperRect(), QPrinter::paperSize(), qt_printerPaperSize(), QPrinter::setPageMargins(), QPrinter::setPaperSize(), and QPageSetupWidget::unitChanged().

{
    switch(unit) {
    case QPrinter::Millimeter:
        return 2.83464566929;
    case QPrinter::Point:
        return 1.0;
    case QPrinter::Inch:
        return 72.0;
    case QPrinter::Pica:
        return 12;
    case QPrinter::Didot:
        return 1.065826771;
    case QPrinter::Cicero:
        return 12.789921252;
    case QPrinter::DevicePixel:
        return 72.0/resolution;
    }
    return 1.0;
}

qt_paperSizeToQSizeF()

QSizeF qt_paperSizeToQSizeF

(

QPrinter::PaperSize

size

)

Definition at line 2615 of file qprinter.cpp.

Referenced by QtopiaPrintEngine::paperRect(), QMacPrintEnginePrivate::paperSize(), QPdf::paperSize(), and QMacPrintEnginePrivate::setPaperSize().

{
    if (size == QPrinter::Custom) return QSizeF(0, 0);
    return QSizeF(qt_paperSizes[size][0], qt_paperSizes[size][1]);
}

qt_printerPaperSize()

QSizeF qt_printerPaperSize	(	QPrinter::Orientation	orientation,
		QPrinter::PaperSize	paperSize,
		QPrinter::Unit	unit,
		int	resolution
	)

Definition at line 145 of file qprinter.cpp.

Referenced by QPageSetupWidget::_q_paperSizeChanged(), and QPrinter::paperSize().

{
    int width_index = 0;
    int height_index = 1;
    if (orientation == QPrinter::Landscape) {
        width_index = 1;
        height_index = 0;
    }
    const qreal multiplier = qt_multiplierForUnit(unit, resolution);
    return QSizeF((qt_paperSizes[paperSize][width_index] * 72 / 25.4) / multiplier,
                  (qt_paperSizes[paperSize][height_index] * 72 / 25.4) / multiplier);
}

Variable Documentation

qt_paperSizes

const float qt_paperSizes[][2]

static

Definition at line 89 of file qprinter.cpp.

Referenced by qSizeFTopaperSize(), qt_paperSizeToQSizeF(), and qt_printerPaperSize().