qplatformprintdevice.cpp

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// Copyright (C) 2014 John Layt <jlayt@kde.org>
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
 
#include "qplatformprintdevice.h"
 
#include "qprintdevice_p.h"
 
#include <QtCore/qcoreapplication.h>
#include <QtGui/qpagelayout.h>
 
QT_BEGIN_NAMESPACE
 
#ifndef QT_NO_PRINTER
 
QPlatformPrintDevice::QPlatformPrintDevice(const QString &id)
    : m_id(id),
      m_isRemote(false),
      m_supportsMultipleCopies(false),
      m_supportsCollateCopies(false),
      m_havePageSizes(false),
      m_supportsCustomPageSizes(false),
      m_haveResolutions(false),
      m_haveInputSlots(false),
      m_haveOutputBins(false),
      m_haveDuplexModes(false),
      m_haveColorModes(false)
#if QT_CONFIG(mimetype)
    , m_haveMimeTypes(false)
#endif
{
}
 
QPlatformPrintDevice::~QPlatformPrintDevice()
{
}
 
QString QPlatformPrintDevice::id() const
{
    return m_id;
}
 
QString QPlatformPrintDevice::name() const
{
    return m_name;
}
 
QString QPlatformPrintDevice::location() const
{
    return m_location;
}
 
QString QPlatformPrintDevice::makeAndModel() const
{
    return m_makeAndModel;
}
 
bool QPlatformPrintDevice::isValid() const
{
    return false;
}
 
bool QPlatformPrintDevice::isDefault() const
{
    return false;
}
 
bool QPlatformPrintDevice::isRemote() const
{
    return m_isRemote;
}
 
bool QPlatformPrintDevice::isValidPageLayout(const QPageLayout &layout, int resolution) const
{
    // Check the page size is supported
    if (!supportedPageSize(layout.pageSize()).isValid())
        return false;
 
    // In fullpage mode, margins outside the printable area are valid
    if (layout.mode() == QPageLayout::FullPageMode)
        return true;
 
    // Check the margins are valid
    QMarginsF pointMargins = layout.margins(QPageLayout::Point);
    QMarginsF printMargins = printableMargins(layout.pageSize(), layout.orientation(), resolution);
    return pointMargins.left() >= printMargins.left()
           && pointMargins.right() >= printMargins.right()
           && pointMargins.top() >= printMargins.top()
           && pointMargins.bottom() >= printMargins.bottom();
}
 
QPrint::DeviceState QPlatformPrintDevice::state() const
{
    return QPrint::Error;
}
 
bool QPlatformPrintDevice::supportsMultipleCopies() const
{
    return m_supportsMultipleCopies;
}
 
bool QPlatformPrintDevice::supportsCollateCopies() const
{
    return m_supportsCollateCopies;
}
 
void QPlatformPrintDevice::loadPageSizes() const
{
}
 
QPageSize QPlatformPrintDevice::defaultPageSize() const
{
    return QPageSize();
}
 
QList<QPageSize> QPlatformPrintDevice::supportedPageSizes() const
{
    if (!m_havePageSizes)
        loadPageSizes();
    return m_pageSizes;
}
 
QPageSize QPlatformPrintDevice::supportedPageSize(const QPageSize &pageSize) const
{
    if (!pageSize.isValid())
        return QPageSize();
 
    if (!m_havePageSizes)
        loadPageSizes();
 
    // First try match on name and id for case where printer defines same size twice with different names
    // e.g. Windows defines DMPAPER_11X17 and DMPAPER_TABLOID with names "11x17" and "Tabloid", but both
    // map to QPageSize::Tabloid / PPD Key "Tabloid" / ANSI B Tabloid
    if (pageSize.id() != QPageSize::Custom) {
        for (const QPageSize &ps : std::as_const(m_pageSizes)) {
            if (ps.id() == pageSize.id() && ps.name() == pageSize.name())
                return ps;
        }
    }
 
    // Next try match on id only if not custom
    if (pageSize.id() != QPageSize::Custom) {
        for (const QPageSize &ps : std::as_const(m_pageSizes)) {
            if (ps.id() == pageSize.id())
                return ps;
        }
    }
 
    // Next try a match on size, in case it's a custom with a different name
    return supportedPageSizeMatch(pageSize);
}
 
QPageSize QPlatformPrintDevice::supportedPageSize(QPageSize::PageSizeId pageSizeId) const
{
    if (!m_havePageSizes)
        loadPageSizes();
 
    for (const QPageSize &ps : std::as_const(m_pageSizes)) {
        if (ps.id() == pageSizeId)
            return ps;
    }
 
    // If no supported page size found, try use a custom size instead if supported
    return supportedPageSizeMatch(QPageSize(pageSizeId));
}
 
QPageSize QPlatformPrintDevice::supportedPageSize(const QString &pageName) const
{
    if (!m_havePageSizes)
        loadPageSizes();
 
    for (const QPageSize &ps : std::as_const(m_pageSizes)) {
        if (ps.name() == pageName)
            return ps;
    }
 
    return QPageSize();
}
 
QPageSize QPlatformPrintDevice::supportedPageSize(const QSize &sizePoints) const
{
    if (!m_havePageSizes)
        loadPageSizes();
 
    // Try to find a supported page size based on fuzzy-matched point size
    return supportedPageSizeMatch(QPageSize(sizePoints));
}
 
QPageSize QPlatformPrintDevice::supportedPageSize(const QSizeF &size, QPageSize::Unit units) const
{
    if (!m_havePageSizes)
        loadPageSizes();
 
    // Try to find a supported page size based on fuzzy-matched unit size
    return supportedPageSizeMatch(QPageSize(size, units));
}
 
QPageSize QPlatformPrintDevice::supportedPageSizeMatch(const QPageSize &pageSize) const
{
    // If it's a known page size, just return itself
    if (m_pageSizes.contains(pageSize))
        return pageSize;
 
    // Try to find a supported page size based on point size
    for (const QPageSize &ps : std::as_const(m_pageSizes)) {
        if (ps.sizePoints() == pageSize.sizePoints())
            return ps;
    }
    return QPageSize();
}
 
bool QPlatformPrintDevice::supportsCustomPageSizes() const
{
    return m_supportsCustomPageSizes;
}
 
QSize QPlatformPrintDevice::minimumPhysicalPageSize() const
{
    return m_minimumPhysicalPageSize;
}
 
QSize QPlatformPrintDevice::maximumPhysicalPageSize() const
{
    return m_maximumPhysicalPageSize;
}
 
QMarginsF QPlatformPrintDevice::printableMargins(const QPageSize &pageSize,
                                                 QPageLayout::Orientation orientation,
                                                 int resolution) const
{
    Q_UNUSED(pageSize);
    Q_UNUSED(orientation);
    Q_UNUSED(resolution);
    return QMarginsF(0, 0, 0, 0);
}
 
void QPlatformPrintDevice::loadResolutions() const
{
}
 
int QPlatformPrintDevice::defaultResolution() const
{
    return 0;
}
 
QList<int> QPlatformPrintDevice::supportedResolutions() const
{
    if (!m_haveResolutions)
        loadResolutions();
    return m_resolutions;
}
 
void QPlatformPrintDevice::loadInputSlots() const
{
}
 
QPrint::InputSlot QPlatformPrintDevice::defaultInputSlot() const
{
    QPrint::InputSlot input;
    input.key = QByteArrayLiteral("Auto");
    input.name = QCoreApplication::translate("Print Device Input Slot", "Automatic");
    input.id = QPrint::Auto;
    return input;
}
 
QList<QPrint::InputSlot> QPlatformPrintDevice::supportedInputSlots() const
{
    if (!m_haveInputSlots)
        loadInputSlots();
    return m_inputSlots;
}
 
void QPlatformPrintDevice::loadOutputBins() const
{
}
 
QPrint::OutputBin QPlatformPrintDevice::defaultOutputBin() const
{
    QPrint::OutputBin output;
    output.key = QByteArrayLiteral("Auto");
    output.name = QCoreApplication::translate("Print Device Output Bin", "Automatic");
    output.id = QPrint::AutoOutputBin;
    return output;
}
 
QList<QPrint::OutputBin> QPlatformPrintDevice::supportedOutputBins() const
{
    if (!m_haveOutputBins)
        loadOutputBins();
    return m_outputBins;
}
 
void QPlatformPrintDevice::loadDuplexModes() const
{
}
 
QPrint::DuplexMode QPlatformPrintDevice::defaultDuplexMode() const
{
    return QPrint::DuplexNone;
}
 
QList<QPrint::DuplexMode> QPlatformPrintDevice::supportedDuplexModes() const
{
    if (!m_haveDuplexModes)
        loadDuplexModes();
    return m_duplexModes;
}
 
void QPlatformPrintDevice::loadColorModes() const
{
}
 
QPrint::ColorMode QPlatformPrintDevice::defaultColorMode() const
{
    return QPrint::GrayScale;
}
 
QList<QPrint::ColorMode> QPlatformPrintDevice::supportedColorModes() const
{
    if (!m_haveColorModes)
        loadColorModes();
    return m_colorModes;
}
 
#if QT_CONFIG(mimetype)
void QPlatformPrintDevice::loadMimeTypes() const
{
}
#endif // mimetype
 
QVariant QPlatformPrintDevice::property(QPrintDevice::PrintDevicePropertyKey key) const
{
    Q_UNUSED(key);
 
    return QVariant();
}
 
bool QPlatformPrintDevice::setProperty(QPrintDevice::PrintDevicePropertyKey key, const QVariant &value)
{
    Q_UNUSED(key);
    Q_UNUSED(value);
 
    return false;
}
 
bool QPlatformPrintDevice::isFeatureAvailable(QPrintDevice::PrintDevicePropertyKey key, const QVariant &params) const
{
    Q_UNUSED(key);
    Q_UNUSED(params);
 
    return false;
}
 
#if QT_CONFIG(mimetype)
QList<QMimeType> QPlatformPrintDevice::supportedMimeTypes() const
{
    if (!m_haveMimeTypes)
        loadMimeTypes();
    return m_mimeTypes;
}
#endif // mimetype
 
QPageSize QPlatformPrintDevice::createPageSize(const QString &key, const QSize &size, const QString &localizedName)
{
    return QPageSize(key, size, localizedName);
}
 
QPageSize QPlatformPrintDevice::createPageSize(int windowsId, const QSize &size, const QString &localizedName)
{
    return QPageSize(windowsId, size, localizedName);
}
 
#endif // QT_NO_PRINTER
 
QT_END_NAMESPACE