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revise resample docs 

see https://github.com/libvips/libvips/discussions/2711
This commit is contained in:
John Cupitt 2022-03-06 11:42:27 +00:00
parent 5f7c12e474
commit ede67090cb
1 changed files with 9 additions and 2 deletions
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libvips/resample/resample.c
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@ -58,7 +58,7 @@
* @stability: Stable
* @include: vips/vips.h
*
* There are three types of operation in this section.
* These operations build on each other in a set of layers.
*
* First, vips_affine() applies an affine transform to an image. This is any
* sort of 2D transform which preserves straight lines; so any combination of
@ -79,7 +79,14 @@
* vips_affine() and others to implement a general, high-quality image
* resizer.
*
* Finally, vips_mapim() can apply arbitrary 2D image transforms to an image.
* Finally, vips_thumbnail() combines load and resize in one operation, and adds
* colour management and correct handling of alpha transparency. Because load
* and resize happen together, it can exploit tricks like JPEG and TIFF
* shrink-on-load, giving a (potentially) huge speedup. vips_thumbnail_image()
* is only there for emergencies, don't use it unless you really have to.
*
* As a separate thing, `vips_mapim() can apply arbitrary 2D image transforms
* to an image.
*/
/**