Bug 151403

Summary:	Crashed trying to save a image downloaded from the camera
Product:	[Applications] digikam	Reporter:	greatbunzinni
Component:	Tags-Rating	Assignee:	Digikam Developers <digikam-bugs-null>
Status:	RESOLVED FIXED
Severity:	crash	CC:	caulier.gilles
Priority:	NOR
Version:	0.9.2
Target Milestone:	---
Platform:	Ubuntu
OS:	Linux
Latest Commit:		Version Fixed In:	0.9.3
Sentry Crash Report:

Description greatbunzinni 2007-10-26 20:53:59 UTC

Version:           0.9.2 (using KDE KDE 3.5.7)
Installed from:    Ubuntu Packages

Digikam crashes when the user tries to save a image which is being showned by digikam's image viewer and that was loaded directly from the camera. The crash can be reproduce by following these steps:

- connect a camera which has photos stored in it's memory
- launch digikam
- read the camera's content (in my case, "camera"->"USB PTP class camera")
- open an image file by clicking on a thumbnail
- on the digikam's image viewer, save the file as "file"->"save as".
- digikam crashes in a fiery ball of evil flames of fail.


Here is the crash backtrace:
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Using host libthread_db library "/lib/libthread_db.so.1".
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[Thread debugging using libthread_db enabled]
[New Thread 47164845506752 (LWP 11533)]
[New Thread 1090525520 (LWP 11579)]
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[KCrash handler]
#5  0x00002ae561295c13 in Digikam::ImageInfo::rating ()
   from /usr/lib/libdigikam.so.0
#6  0x00002ae5612a247e in Digikam::MetadataHub::load ()
   from /usr/lib/libdigikam.so.0
#7  0x00002ae56144a64a in Digikam::ImageWindow::saveAs ()
   from /usr/lib/libdigikam.so.0
#8  0x00002ae5614486ab in Digikam::EditorWindow::qt_invoke ()
   from /usr/lib/libdigikam.so.0
#9  0x00002ae561448b0d in Digikam::ImageWindow::qt_invoke ()
   from /usr/lib/libdigikam.so.0
#10 0x00002ae566c8cd76 in QObject::activate_signal ()
   from /usr/lib/libqt-mt.so.3
#11 0x00002ae566c8d910 in QObject::activate_signal ()
   from /usr/lib/libqt-mt.so.3
#12 0x00002ae564fb194d in KAction::slotPopupActivated ()
   from /usr/lib/libkdeui.so.4
#13 0x00002ae564fb1bf3 in KAction::qt_invoke () from /usr/lib/libkdeui.so.4
#14 0x00002ae566c8cd76 in QObject::activate_signal ()
   from /usr/lib/libqt-mt.so.3
#15 0x00002ae566ffae51 in QSignal::signal () from /usr/lib/libqt-mt.so.3
#16 0x00002ae566cabeeb in QSignal::activate () from /usr/lib/libqt-mt.so.3
#17 0x00002ae566dabbbc in QPopupMenu::mouseReleaseEvent ()
   from /usr/lib/libqt-mt.so.3
#18 0x00002ae566cc14c4 in QWidget::event () from /usr/lib/libqt-mt.so.3
#19 0x00002ae566c282a2 in QApplication::internalNotify ()
   from /usr/lib/libqt-mt.so.3
#20 0x00002ae566c2a400 in QApplication::notify () from /usr/lib/libqt-mt.so.3
#21 0x00002ae5658b0248 in KApplication::notify ()
   from /usr/lib/libkdecore.so.4
#22 0x00002ae566bbad84 in QApplication::sendSpontaneousEvent ()
   from /usr/lib/libqt-mt.so.3
#23 0x00002ae566bb96b1 in QETWidget::translateMouseEvent ()
   from /usr/lib/libqt-mt.so.3
#24 0x00002ae566bb7b5a in QApplication::x11ProcessEvent ()
   from /usr/lib/libqt-mt.so.3
#25 0x00002ae566bce43e in QEventLoop::processEvents ()
   from /usr/lib/libqt-mt.so.3
#26 0x00002ae566c417e7 in QEventLoop::enterLoop () from /usr/lib/libqt-mt.so.3
#27 0x00002ae566c415ef in QEventLoop::exec () from /usr/lib/libqt-mt.so.3
#28 0x00002ae566c29d68 in QApplication::exec () from /usr/lib/libqt-mt.so.3
#29 0x00000000004034ce in main ()

Comment 1 caulier.gilles 2007-12-04 11:35:01 UTC

SVN commit 733624 by cgilles:

digiKam from KDE3 branch : fix crash during SaveAs when editor is started from CameraGui to show picture.
There is no ImageInfo instance available to store digiKam properties in image metadata.


 M  +9 -5      imagewindow.cpp


--- branches/extragear/kde3/graphics/digikam/utilities/imageeditor/editor/imagewindow.cpp #733623:733624
@@ -866,11 +866,15 @@

 bool ImageWindow::saveAs()
 {
-    // Write metadata from database to DImg
-    MetadataHub hub;
-    hub.load(d->imageInfoCurrent);
-    DImg image(m_canvas->currentImage());
-    hub.write(image, MetadataHub::FullWrite);
+    // If image editor is started from CameraGUI, there is no ImageInfo instance to use.
+    if (d->imageInfoCurrent)
+    {
+        // Write metadata from database to DImg
+        MetadataHub hub;
+        hub.load(d->imageInfoCurrent);
+        DImg image(m_canvas->currentImage());
+        hub.write(image, MetadataHub::FullWrite);
+    }

    return ( startingSaveAs(d->urlCurrent) );
 }

Comment 2 caulier.gilles 2007-12-04 11:35:44 UTC

This bug is fixed too in KDE4

Gilles