note dzsave angle restrictions

see https://github.com/jcupitt/libvips/issues/968
This commit is contained in:
John Cupitt 2018-05-09 16:06:20 +01:00
parent 258edf3325
commit c3552ad21e
1 changed files with 6 additions and 0 deletions

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@ -2359,6 +2359,12 @@ vips_foreign_save_dz_buffer_init( VipsForeignSaveDzBuffer *buffer )
* Use @depth to control how low the pyramid goes. This defaults to the
* correct setting for the @layout you select.
*
* You can rotate the image during write with the @angle argument. However,
* this will only work for images which support random access, like openslide,
* and not for things like JPEG. You'll need to rotate these images
* yourself with vips_rot(). Note that the `autorotate` option to the loader
* may do what you need.
*
* If @properties is %TRUE, vips_dzsave() will write a file called
* `vips-properties.xml` to the output directory. This file lists all of the
* metadata attached to @in in an obvious manner. It can be useful for viewing