Add QtPdf to cmake build

Port QtPdf to Qt6:

  * QtPdf,QtPdfWidgets,QtPdfQuick libs
  * QtPdfQuickPlugin, QtPdfPlugin (imageformat) plugins
  * widget and quick examples
  * qtpdf tests

To fit gn cmake integration and new repo layout code is a bit
reshuffled.

Compared to qmke build following features are not ported yet:

  * ios fat libs
  * qtbase 3rdparty static dependencies

WebEngine build can be skipped with setting
QT_FEATURE_qtwebengine_build=OFF

Note this patch needs follow up for 6.2 branch to disable qtpdf
builds by default, since this should not part of qt 6.2 release.

Pick-to: 6.2
Task-number: QTBUG-95353
Change-Id: I4dd9f3934bdd478fb6d2fa686074a24d91f09953
Reviewed-by: Allan Sandfeld Jensen <allan.jensen@qt.io>

1 files changed, 0 insertions, 239 deletions

diff --git a/src/plugins/imageformats/pdf/qpdfiohandler.cpp b/src/plugins/imageformats/pdf/qpdfiohandler.cpp
deleted file mode 100644
index 4f610935c..000000000
--- a/src/plugins/imageformats/pdf/qpdfiohandler.cpp
+++ /dev/null
@@ -1,239 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2019 The Qt Company Ltd.
-** Contact: http://www.qt.io/licensing/
-**
-** This file is part of the QtPDF module of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL3$
-** 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 http://www.qt.io/terms-conditions. For further
-** information use the contact form at http://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.LGPLv3 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.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 later as published by the Free
-** Software Foundation and appearing in the file LICENSE.GPL included in
-** the packaging of this file. Please review the following information to
-** ensure the GNU General Public License version 2.0 requirements will be
-** met: http://www.gnu.org/licenses/gpl-2.0.html.
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#include "qpdfiohandler_p.h"
-#include <QLoggingCategory>
-#include <QPainter>
-
-QT_BEGIN_NAMESPACE
-
-Q_LOGGING_CATEGORY(qLcPdf, "qt.imageformat.pdf")
-
-QPdfIOHandler::QPdfIOHandler()
-{
-}
-
-bool QPdfIOHandler::canRead() const
-{
-    if (!device())
-        return false;
-    if (m_loaded)
-        return true;
-    if (QPdfIOHandler::canRead(device())) {
-        setFormat("pdf");
-        return true;
-    }
-    return false;
-}
-
-bool QPdfIOHandler::canRead(QIODevice *device)
-{
-    char buf[6];
-    device->peek(buf, 6);
-    return (!qstrncmp(buf, "%PDF-", 5) || Q_UNLIKELY(!qstrncmp(buf, "\012%PDF-", 6)));
-}
-
-int QPdfIOHandler::currentImageNumber() const
-{
-    return m_page;
-}
-
-QRect QPdfIOHandler::currentImageRect() const
-{
-    return QRect(QPoint(0, 0), m_doc.pageSize(m_page).toSize());
-}
-
-int QPdfIOHandler::imageCount() const
-{
-    int ret = 0;
-    if (const_cast<QPdfIOHandler *>(this)->load(device()))
-        ret = m_doc.pageCount();
-    qCDebug(qLcPdf) << "imageCount" << ret;
-    return ret;
-}
-
-bool QPdfIOHandler::read(QImage *image)
-{
-    if (load(device())) {
-        if (m_page >= m_doc.pageCount())
-            return false;
-        if (m_page < 0)
-            m_page = 0;
-        const bool xform = (m_clipRect.isValid() || m_scaledSize.isValid() || m_scaledClipRect.isValid());
-        QSize pageSize = m_doc.pageSize(m_page).toSize();
-        QSize finalSize = pageSize;
-        QRectF bounds;
-        if (xform && !finalSize.isEmpty()) {
-            bounds = QRectF(QPointF(0,0), QSizeF(finalSize));
-            QPoint tr1, tr2;
-            QSizeF sc(1, 1);
-            if (m_clipRect.isValid()) {
-                tr1 = -m_clipRect.topLeft();
-                finalSize = m_clipRect.size();
-            }
-            if (m_scaledSize.isValid()) {
-                sc = QSizeF(qreal(m_scaledSize.width()) / finalSize.width(),
-                            qreal(m_scaledSize.height()) / finalSize.height());
-                finalSize = m_scaledSize;
-                pageSize = m_scaledSize;
-            }
-            if (m_scaledClipRect.isValid()) {
-                tr2 = -m_scaledClipRect.topLeft();
-                finalSize = m_scaledClipRect.size();
-            }
-            QTransform t;
-            t.translate(tr2.x(), tr2.y());
-            t.scale(sc.width(), sc.height());
-            t.translate(tr1.x(), tr1.y());
-            bounds = t.mapRect(bounds);
-        }
-        qCDebug(qLcPdf) << Q_FUNC_INFO << m_page << finalSize;
-        if (image->size() != finalSize || !image->reinterpretAsFormat(QImage::Format_ARGB32_Premultiplied)) {
-            *image = QImage(finalSize, QImage::Format_ARGB32_Premultiplied);
-            if (!finalSize.isEmpty() && image->isNull()) {
-                // avoid QTBUG-68229
-                qWarning("QPdfIOHandler: QImage allocation failed (size %i x %i)", finalSize.width(), finalSize.height());
-                return false;
-            }
-        }
-        if (!finalSize.isEmpty()) {
-            QPdfDocumentRenderOptions options;
-            if (m_scaledClipRect.isValid())
-                options.setScaledClipRect(m_scaledClipRect);
-            options.setScaledSize(pageSize);
-            image->fill(m_backColor.rgba());
-            QPainter p(image);
-            QImage pageImage = m_doc.render(m_page, finalSize, options);
-            p.drawImage(0, 0, pageImage);
-            p.end();
-        }
-        return true;
-    }
-
-    return false;
-}
-
-QVariant QPdfIOHandler::option(ImageOption option) const
-{
-    switch (option) {
-    case ImageFormat:
-        return QImage::Format_ARGB32_Premultiplied;
-    case Size:
-        const_cast<QPdfIOHandler *>(this)->load(device());
-        return m_doc.pageSize(qMax(0, m_page));
-    case ClipRect:
-        return m_clipRect;
-    case ScaledSize:
-        return m_scaledSize;
-    case ScaledClipRect:
-        return m_scaledClipRect;
-    case BackgroundColor:
-        return m_backColor;
-    case Name:
-        return m_doc.metaData(QPdfDocument::Title);
-    default:
-        break;
-    }
-    return QVariant();
-}
-
-void QPdfIOHandler::setOption(ImageOption option, const QVariant & value)
-{
-    switch (option) {
-    case ClipRect:
-        m_clipRect = value.toRect();
-        break;
-    case ScaledSize:
-        m_scaledSize = value.toSize();
-        break;
-    case ScaledClipRect:
-        m_scaledClipRect = value.toRect();
-        break;
-    case BackgroundColor:
-        m_backColor = value.value<QColor>();
-        break;
-    default:
-        break;
-    }
-}
-
-bool QPdfIOHandler::supportsOption(ImageOption option) const
-{
-    switch (option)
-    {
-    case ImageFormat:
-    case Size:
-    case ClipRect:
-    case ScaledSize:
-    case ScaledClipRect:
-    case BackgroundColor:
-    case Name:
-        return true;
-    default:
-        break;
-    }
-    return false;
-}
-
-bool QPdfIOHandler::jumpToImage(int frame)
-{
-    qCDebug(qLcPdf) << Q_FUNC_INFO << frame;
-    if (frame < 0 || frame >= imageCount())
-        return false;
-    m_page = frame;
-    return true;
-}
-
-bool QPdfIOHandler::jumpToNextImage()
-{
-    return jumpToImage(m_page + 1);
-}
-
-bool QPdfIOHandler::load(QIODevice *device)
-{
-    if (m_loaded)
-        return true;
-    if (format().isEmpty())
-        if (!canRead())
-            return false;
-
-    m_doc.load(device);
-    m_loaded = (m_doc.error() == QPdfDocument::DocumentError::NoError);
-
-    return m_loaded;
-}
-
-QT_END_NAMESPACE