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HEIF: image transformation support

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Mirco Miranda
2026-04-21 08:32:39 +02:00
committed by Mirco Miranda
parent 18d0f93d60
commit 8048279473
39 changed files with 281 additions and 62 deletions
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README.md
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@@ -333,6 +333,15 @@ distributions. In particular, it is necessary that the HEIF library has
support for HEVC codec. If HEVC codec is not available the plugin
will compile but will fail the tests.
The following defines can be defined in cmake to modify the behavior of the
plugin:
- `HEIF_DISABLE_QT_TRANSFORMATION`: HEIF transformations, in addition to
rotations and reflections, also support image cropping. Consequently, the
Qt plugin, must also honor the crop. This define is useful in case
of problems: activating it disables Qt's support for transformations,
delegating them to the HEIF libraries (which will therefore always apply
them regardless of what is requested from Qt).
**If you are interested in compiling the plugin without running the tests,
also use the following string options:**
- `KIMAGEFORMATS_HEIF_TEST` to change the behaviour of HEIF tests. Set to