diff options
Diffstat (limited to 'src/webenginewidgets/printer_worker.cpp')
| -rw-r--r-- | src/webenginewidgets/printer_worker.cpp | 169 |
1 files changed, 0 insertions, 169 deletions
diff --git a/src/webenginewidgets/printer_worker.cpp b/src/webenginewidgets/printer_worker.cpp deleted file mode 100644 index 94a862cda..000000000 --- a/src/webenginewidgets/printer_worker.cpp +++ /dev/null @@ -1,169 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2018 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the QtWebEngine module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 3 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL3 included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 3 requirements -** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 2.0 or (at your option) the GNU General -** Public license version 3 or any later version approved by the KDE Free -** Qt Foundation. The licenses are as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-2.0.html and -** https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "printer_worker.h" - -#include "printing/pdfium_document_wrapper_qt.h" - -#include <QPainter> -#include <QPrinter> - -namespace QtWebEngineCore { - -PrinterWorker::PrinterWorker(QSharedPointer<QByteArray> data, QPrinter *printer) - : m_data(data) - , m_printer(printer) -{ -} - -PrinterWorker::~PrinterWorker() -{ -} - -void PrinterWorker::print() -{ - if (!m_data->size()) { - qWarning("Failure to print on printer %ls: Print result data is empty.", - qUtf16Printable(m_printer->printerName())); - Q_EMIT resultReady(false); - return; - } - - PdfiumDocumentWrapperQt pdfiumWrapper(m_data->constData(), m_data->size()); - - int toPage = m_printer->toPage(); - int fromPage = m_printer->fromPage(); - bool ascendingOrder = true; - - if (fromPage == 0 && toPage == 0) { - fromPage = 1; - toPage = pdfiumWrapper.pageCount(); - } - fromPage = qMax(1, fromPage); - toPage = qMin(pdfiumWrapper.pageCount(), toPage); - - if (m_printer->pageOrder() == QPrinter::LastPageFirst) { - qSwap(fromPage, toPage); - ascendingOrder = false; - } - - int pageCopies = 1; - int documentCopies = 1; - - if (!m_printer->supportsMultipleCopies()) - documentCopies = m_printer->copyCount(); - - if (m_printer->collateCopies()) { - pageCopies = documentCopies; - documentCopies = 1; - } - - bool isLandscape = pdfiumWrapper.pageIsLandscape(0); - QPageLayout::Orientation prevOrientation = m_printer->pageLayout().orientation(); - m_printer->setPageOrientation(isLandscape ? QPageLayout::Landscape : QPageLayout::Portrait); - - QPainter painter; - if (!painter.begin(m_printer)) { - qWarning("Failure to print on printer %ls: Could not open printer for painting.", - qUtf16Printable(m_printer->printerName())); - Q_EMIT resultReady(false); - return; - } - - for (int printedDocuments = 0; printedDocuments < documentCopies; printedDocuments++) { - if (printedDocuments > 0) - m_printer->newPage(); - - int currentPageIndex = fromPage; - - for (int i = 0; true; i++) { - prevOrientation = m_printer->pageLayout().orientation(); - isLandscape = pdfiumWrapper.pageIsLandscape(currentPageIndex - 1); - m_printer->setPageOrientation(isLandscape ? QPageLayout::Landscape : QPageLayout::Portrait); - - QSize pageSize = m_printer->pageRect().size(); - - if (i > 0) - m_printer->newPage(); - - for (int printedPages = 0; printedPages < pageCopies; printedPages++) { - if (m_printer->printerState() == QPrinter::Aborted - || m_printer->printerState() == QPrinter::Error) { - Q_EMIT resultReady(false); - return; - } - - if (printedPages > 0) - m_printer->newPage(); - - QImage currentImage = pdfiumWrapper.pageAsQImage(currentPageIndex - 1); - if (currentImage.isNull()) { - Q_EMIT resultReady(false); - return; - } - - QRect targetRect = currentImage.rect(); - // Scale down currentImage by both width and height to fit into the drawable area of the page. - float scaleFactor = (float)pageSize.width() / (float)targetRect.width(); - targetRect = QRect(0, 0, targetRect.width() * scaleFactor, targetRect.height() * scaleFactor); - scaleFactor = (float)pageSize.height() / (float)targetRect.height(); - targetRect = QRect(0, 0, targetRect.width() * scaleFactor, targetRect.height() * scaleFactor); - - // Painting operations are automatically clipped to the bounds of the drawable part of the page. - painter.drawImage(targetRect, currentImage, currentImage.rect()); - } - - if (currentPageIndex == toPage) - break; - - if (ascendingOrder) - currentPageIndex++; - else - currentPageIndex--; - - m_printer->setPageOrientation(prevOrientation); - } - } - painter.end(); - - Q_EMIT resultReady(true); - return; -} - -} // namespace QtWebEngineCore |