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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>
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If the PDF is not loaded before it jumps to the image then it fails
to jump to the specified page and ends up showing the first one.
Pick-to: 5.15
Change-Id: I6061431e1fd9b743afaca3df0aec03dc6a1144bf
Reviewed-by: Shawn Rutledge <shawn.rutledge@qt.io>
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It seems that it has been deprecated since 5.13
Change-Id: I68bf10b068bedddbfc3b3f0a112f5ab5291bd5d7
Reviewed-by: Shawn Rutledge <shawn.rutledge@qt.io>
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Like some other image plugins, the PDF plugin now supports
ImageOption::ScaledClipRect and ScaledSize.
Change-Id: Ie7278752e49c885cc4580f30af1ec5e6310f8334
Reviewed-by: Michal Klocek <michal.klocek@qt.io>
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Now you can use Image in QML to display the first page of a PDF file
by default. (The implementation is very similar to the handler
plugin in the QtSVG module.) To display other pages, you can set
the new currentFrame property that is being added to Image in 5.14.
QPdfIOHandler uses its own instance of QPdfDocument to do the rendering.
An instance will be created each time the image needs to read a frame
from the file (on creation; each time the currentFrame property
is changed; each time sourceSize is changed to require a different
resolution rendering). This approach is not as efficient as it would
be to share the QPdfDocument instance among multiple Images that are
rendering different pages at the same time, as well as sharing with the
QML Document declaration that we plan to add. However, if you set
asynchronous: true, each Image will render its page from the PDF in
its own thread. PDFium is not thread-safe, so sharing the QPdfDocument
among multiple threads is not safe. It may be possible to make it safe
by having a dedicated PDF-rendering thread, but that is not yet done
in this patch.
Change-Id: I7a1f8cd7bd5b8f93d45fa9350752b2d9356b04fe
Reviewed-by: Michal Klocek <michal.klocek@qt.io>
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