https://bugs.kde.org/show_bug.cgi?id=478848
Bug ID: 478848
Summary: AF points in focus not shown
Classification: Applications
Product: digikam
Version: 8.2.0
Platform: Slackware
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: Metadata-ExifTool
Assignee: digikam-bugs-n...@kde.org
Reporter: kdeb...@rastos.org
Target Milestone: ---
Created attachment 164344
--> https://bugs.kde.org/attachment.cgi?id=164344&action=edit
full JSON output from "exiftool -json -l -G:0:1:2:4:6 IMG_0048.JPG"
SUMMARY
The context menu function "Show focus points" shows the focus points but none
of them is shown as "in focus".
STEPS TO REPRODUCE
1. Load an image captured by Canon EOS 850D into digikam
2. turn on the "Show focus points" in context menu
OBSERVED RESULT
The context menu function "Show focus points" shows the focus points but none
of them is shown in red i.e. "in focus".
EXPECTED RESULT
The context menu function "Show focus points" shows the focus points that are
"in focus".
SOFTWARE/OS VERSIONS
KDE Plasma Version: 5.27.8
KDE Frameworks Version: 5.110.0
Qt Version: qt5-5.15.11_20231011_f1a894e5
exiftool: 12.70
ADDITIONAL INFORMATION
My understanding is that the issue is not platform/OS specific. The exiftool
produces JSON that contains:
$ exiftool -json -l -G:0:1:2:4:6 -MakerNotes:Canon:Camera:AFPointsInFocus
IMG_0048.JPG
[{
"SourceFile": "IMG_0048.JPG",
"MakerNotes:Canon:Camera:::AFPointsInFocus": {
"desc": "AF Points In Focus",
"num": "3584 519 0 0 0 0 0 0 0",
"val": "9,10,11,16,17,18,25"
}
}]
The value "9,10,11,16,17,18,25" is parsed in
core/libs/metadataengine/focuspoint/focuspoints_extractor_canon.cpp with line:
QStringList af_infocus = findValue(TagNameRoot,
QLatin1String("AFPointsInFocus"), true).toStringList();
and the method
QVariant FocusPointsExtractor::findValue(const QString& tagName, bool
isList) const
uses
return result[0].toString().split(QLatin1String(" "));
I.e. it is attempting to split using a space character, but the actual
separator used in exiftool output is comma. That later causes none of the AF
points identified as "in focus".
I don't know if the separator used in the json output may depend on camera
type, exif version or some other factor.
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