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done gtk-doc for "other"

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Finished gtk-doc-ing "other".
This commit is contained in:
John Cupitt 2011-02-01 14:47:08 +00:00
parent df91b4e4a0
commit d064818fd7
3 changed files with 43 additions and 32 deletions
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1
ChangeLog
View File

@ -22,6 +22,7 @@
- move im_simcontr() to almostdeprecated
- add im_sines() to operation db
- move im_spatres() to almostdeprecated
- done gtk-doc for other
30/11/10 started 7.24.0
- bump for new stable

2
doc/reference/libvips-docs.sgml.in
View File

@ -45,12 +45,12 @@
<xi:include href="xml/mask.xml"/>
<xi:include href="xml/morphology.xml"/>
<xi:include href="xml/mosaicing.xml"/>
<xi:include href="xml/other.xml"/>
</chapter>
<chapter>
<title>VIPS operation API by section (no gtkdoc comments yet)</title>
<xi:include href="xml/resample.xml"/>
<xi:include href="xml/other.xml"/>
<xi:include href="xml/video.xml"/>
<xi:include href="xml/cimg_funcs.xml"/>
<xi:include href="xml/interpolate.xml"/>

72
libvips/other/im_zone.c
View File

@ -1,18 +1,5 @@
/* @(#) square zone plate of size
* @(#) The center of the zone plate is at (xpos/2, ypos/2)
* @(#)
* @(#) Usage:
* @(#)
* @(#) int im_zone( image, size )
* @(#) IMAGE *image;
* @(#) int size;
* @(#)
* @(#) int im_fzone( image, size )
* @(#) IMAGE *image;
* @(#) int size;
* @(#)
* @(#) Returns 0 on sucess and -1 on error
* @(#)
/* square zone plate of size
*
* N. Dessipris 01/02/1991
*
* 22/7/93 JC
@ -22,6 +9,8 @@
* - modernized
* - memory leaks fixed
* - split into im_zone() and im_fzone()
* 1/2/11
* - gtk-doc
*/
/*
@ -65,8 +54,20 @@
#include <dmalloc.h>
#endif /*WITH_DMALLOC*/
/**
* im_fzone:
* @out: output image
* @size: image size
*
* Create a one-band float image of size @size by @size pixels of a zone
* plate. Pixels are in [-1, +1].
*
* See also: im_grey(), im_make_xy(), im_identity().
*
* Returns: 0 on success, -1 on error
*/
int
im_fzone( IMAGE *image, int size )
im_fzone( IMAGE *out, int size )
{
int x, y;
int i, j;
@ -76,7 +77,7 @@ im_fzone( IMAGE *image, int size )
/* Check args.
*/
if( im_outcheck( image ) )
if( im_outcheck( out ) )
return( -1 );
if( size <= 0 || (size % 2) != 0 ) {
im_error( "im_zone", "%s",
@ -84,16 +85,16 @@ im_fzone( IMAGE *image, int size )
return( -1 );
}
/* Set up output image.
/* Set up output out.
*/
im_initdesc( image, size, size, 1, IM_BBITS_FLOAT, IM_BANDFMT_FLOAT,
im_initdesc( out, size, size, 1, IM_BBITS_FLOAT, IM_BANDFMT_FLOAT,
IM_CODING_NONE, IM_TYPE_B_W, 1.0, 1.0, 0, 0 );
if( im_setupout( image ) )
if( im_setupout( out ) )
return( -1 );
/* Create output buffer.
*/
if( !(buf = IM_ARRAY( image, size, float )) )
if( !(buf = IM_ARRAY( out, size, float )) )
return( -1 );
/* Make zone plate.
@ -101,27 +102,36 @@ im_fzone( IMAGE *image, int size )
for( y = 0, j = -size2; j < size2; j++, y++ ) {
for( x = 0, i = -size2; i < size2; i++, x++ )
buf[x] = cos( (IM_PI / size) * (i * i + j * j) );
if( im_writeline( y, image, (PEL *) buf ) )
if( im_writeline( y, out, (PEL *) buf ) )
return( -1 );
}
return( 0 );
}
/* As above, but make a IM_BANDFMT_UCHAR image.
/**
* im_zone:
* @out: output image
* @size: image size
*
* Create a one-band uchar image of size @size by @size pixels of a zone
* plate. Pixels are in [0, 255].
*
* See also: im_grey(), im_make_xy(), im_identity().
*
* Returns: 0 on success, -1 on error
*/
int
im_zone( IMAGE *im, int size )
{
IMAGE *t1 = im_open_local( im, "im_zone:1", "p" );
IMAGE *t2 = im_open_local( im, "im_zone:2", "p" );
IMAGE *t[2];
if( !t1 || !t2 )
return( -1 );
if( im_fzone( t1, size ) ||
im_lintra( 127.5, t1, 127.5, t2 ) ||
im_clip2fmt( t2, im, IM_BANDFMT_UCHAR ) )
/* Change range to [0,255].
*/
if( im_open_local_array( out, t, 2, "im_grey", "p" ) ||
im_fzone( t[0], size ) ||
im_lintra( 127.5, t[0], 127.5, t[1] ) ||
im_clip2fmt( t[1], im, IM_BANDFMT_UCHAR ) )
return( -1 );
return( 0 );