https://bugs.kde.org/show_bug.cgi?id=393408

--- Comment #20 from caulier.gil...@gmail.com ---
HEIF support is now managed by the new digiKam ImageMagick loader. By this way,
we will support plenty new image formats.

The advantage to use Image Magick instead the QImageLoader is the 16 bits color
depth support that digiKam can handle natively since more than 12 years now.

Other point is the advanced multipage support with Heif. ImageMagick support
this container, even if digiKam is not yet able to choose the image in set.

ImageMagick HEIF writing is fully supported, in opposite than QImageLoader
which is basic. There is also a identify mode avaialble in ImageMagick to
preload image properties without to decode whole image. This is used while
image scanning with database.

HEIF integration is done in Linux AppImage bundle for the moment, not yet in
Windows and MacOS. Under these OS, MXE and MAcports do not inclide HEIF codec
due to patents problem. We need to install HEIF codecs before to compile
ImageMagick.

Gilles Caulier

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