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-rw-r--r--src/core/printing/printer_worker.cpp124
1 files changed, 26 insertions, 98 deletions
diff --git a/src/core/printing/printer_worker.cpp b/src/core/printing/printer_worker.cpp
index cbd6b8da3..6032f2211 100644
--- a/src/core/printing/printer_worker.cpp
+++ b/src/core/printing/printer_worker.cpp
@@ -1,53 +1,17 @@
-/****************************************************************************
-**
-** 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.
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
+// Copyright (C) 2018 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include "printer_worker.h"
#include "printing/pdfium_document_wrapper_qt.h"
#include <QPainter>
-#include <QPrinter>
+#include <QPagedPaintDevice>
namespace QtWebEngineCore {
-PrinterWorker::PrinterWorker(QSharedPointer<QByteArray> data, QPrinter *printer)
- : m_data(data), m_printer(printer)
+PrinterWorker::PrinterWorker(QSharedPointer<QByteArray> data, QPagedPaintDevice *device)
+ : m_data(data), m_device(device)
{
}
@@ -56,98 +20,62 @@ 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()));
+ qWarning("Failed to print: Print result data is empty.");
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;
- }
+ const int fromPage = m_firstPageFirst ? 0 : pdfiumWrapper.pageCount() - 1;
+ const int toPage = m_firstPageFirst ? pdfiumWrapper.pageCount() : -1;
int pageCopies = 1;
- int documentCopies = 1;
-
- if (!m_printer->supportsMultipleCopies())
- documentCopies = m_printer->copyCount();
-
- if (m_printer->collateCopies()) {
- pageCopies = documentCopies;
- documentCopies = 1;
+ if (m_collateCopies) {
+ pageCopies = m_documentCopies;
+ m_documentCopies = 1;
}
- qreal resolution = m_printer->resolution() / 72.0; // pdfium uses points so 1/72 inch
+ qreal resolution = m_deviceResolution / 72.0; // pdfium uses points so 1/72 inch
QPainter painter;
- for (int printedDocuments = 0; printedDocuments < documentCopies; printedDocuments++) {
+ for (int printedDocuments = 0; printedDocuments < m_documentCopies; printedDocuments++) {
if (printedDocuments > 0)
- m_printer->newPage();
-
- int currentPageIndex = fromPage;
+ m_device->newPage();
- for (int i = 0; true; i++) {
- QSizeF documentSize = (pdfiumWrapper.pageSize(currentPageIndex - 1) * resolution);
+ for (int i = fromPage; i != toPage; m_firstPageFirst ? i++ : i--) {
+ QSizeF documentSize = (pdfiumWrapper.pageSize(i) * resolution);
bool isLandscape = documentSize.width() > documentSize.height();
- m_printer->setPageOrientation(isLandscape ? QPageLayout::Landscape
+ m_device->setPageOrientation(isLandscape ? QPageLayout::Landscape
: QPageLayout::Portrait);
- QRectF pageRect = m_printer->pageRect(QPrinter::DevicePixel);
- documentSize = documentSize.scaled(pageRect.size(), Qt::KeepAspectRatio);
+ QRectF paintRect = m_device->pageLayout().paintRectPixels(m_deviceResolution);
+ documentSize = documentSize.scaled(paintRect.size(), Qt::KeepAspectRatio);
// setPageOrientation has to be called before qpainter.begin() or before
// qprinter.newPage() so correct metrics is used, therefore call begin now for only
// first page
- if (!painter.isActive() && !painter.begin(m_printer)) {
- qWarning("Failure to print on printer %ls: Could not open printer for painting.",
- qUtf16Printable(m_printer->printerName()));
+ if (!painter.isActive() && !painter.begin(m_device)) {
+ qWarning("Failure to print on device: Could not open printer for painting.");
Q_EMIT resultReady(false);
return;
}
- if (i > 0)
- m_printer->newPage();
+ if (i != fromPage)
+ m_device->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();
+ m_device->newPage();
- QImage currentImage = pdfiumWrapper.pageAsQImage(
- currentPageIndex - 1, documentSize.width(), documentSize.height());
+ QImage currentImage =
+ pdfiumWrapper.pageAsQImage(i, documentSize.width(), documentSize.height());
if (currentImage.isNull()) {
Q_EMIT resultReady(false);
return;
}
painter.drawImage(0, 0, currentImage);
}
-
- if (currentPageIndex == toPage)
- break;
-
- if (ascendingOrder)
- currentPageIndex++;
- else
- currentPageIndex--;
}
}
painter.end();
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-02 18:02:53 +0000