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im_scale() gtkdoc

This commit is contained in:
John Cupitt 2010-02-01 17:46:37 +00:00
parent f4fd407740
commit 1e4a6bead6
1 changed files with 15 additions and 10 deletions
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libvips/conversion/im_scale.c
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@ -1,12 +1,4 @@
/* @(#) Scale an image so that min(im) maps to 0 and max(im) maps to 255. If
* @(#) min(im)==max(im), then we return black. Any non-complex type.
* @(#)
* @(#) int
* @(#) im_scale( in, out )
* @(#) IMAGE *in, *out;
* @(#)
* @(#) Returns 0 on success and -1 on error
* @(#)
/* im_scale
*
* Author: John Cupitt
* Written on: 22/4/93
@ -21,6 +13,8 @@
* 16/10/06
* - what? no, don't set Type, useful to be able to scale histograms, for
* example
* 1/2/10
* - gtkdoc
*/
/*
@ -63,7 +57,18 @@
#include <dmalloc.h>
#endif /*WITH_DMALLOC*/
/* Scale, as noted above.
/**
* im_scale:
* @in: input image
* @out: output image
*
* Search the image for the maximum and minimum value, then return the image
* as unsigned 8-bit, scaled so that the maximum value is 255 and the
* minimum is zero.
*
* See also: im_clip2fmt().
*
* Returns: 0 on success, -1 on error
*/
int
im_scale( IMAGE *in, IMAGE *out )