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clear up tiny docs issue

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not about SEQ behaviour
This commit is contained in:
John Cupitt 2016-01-22 15:02:18 +00:00
parent c7eb88b87f
commit 923fb43ae9
1 changed files with 13 additions and 3 deletions
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16
libvips/iofuncs/operation.c
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@ -176,13 +176,23 @@
* Flags we associate with an operation. * Flags we associate with an operation.
* *
* @VIPS_OPERATION_SEQUENTIAL means that the operation works like vips_conv(): * @VIPS_OPERATION_SEQUENTIAL means that the operation works like vips_conv():
* it can happily process images top-to-bottom with only small non-local * it can process images top-to-bottom with only small non-local
* references. * references.
*
* Every scan-line must be requested, you are not allowed to skip
* ahead, but as a special case, the very first request can be for a region
* not at the top of the image. In this case, the first part of the image will
* be read and discarded
* *
* @VIPS_OPERATION_SEQUENTIAL_UNBUFFERED means that the operation works like * @VIPS_OPERATION_SEQUENTIAL_UNBUFFERED means that the operation works like
* vips_copy(): it can happily process images top-to-bottom and makes no * vips_copy(): it can process images top-to-bottom and makes no
* non-local references. * non-local references.
* *
* Every scan-line must be requested, you are not allowed to skip
* ahead, but as a special case, the very first request can be for a region
* not at the top of the image. In this case, the first part of the image will
* be read and discarded
*
* @VIPS_OPERATION_NOCACHE means that the operation must not be cached by * @VIPS_OPERATION_NOCACHE means that the operation must not be cached by
* vips. * vips.
* *