Mercurial > octave-antonio
view examples/celldemo.cc @ 17118:c97a26408ee0
Implement PixelRegion option for imread().
* imread.m: document new option.
* private/__imread__.m: parse new option and set defaults.
* __magick_read__.cc (calculate region): new option to calculate the region
to be read, shifts in memory required, and output image size.
(read_indexed_images, read_images): implement reading of only specific
regions of an image.
(__magick_read__): get octave_scalar_map at start for simplicity.
author | Carnë Draug <carandraug@octave.org> |
---|---|
date | Wed, 31 Jul 2013 21:28:48 +0100 |
parents | be41c30bcb44 |
children |
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#include <octave/oct.h> #include <octave/Cell.h> DEFUN_DLD (celldemo, args, , "Cell Demo") { octave_value_list retval; int nargin = args.length (); if (nargin != 1) print_usage (); else { Cell c = args(0).cell_value (); if (! error_state) for (octave_idx_type i = 0; i < c.numel (); i++) { retval(i) = c(i); // using operator syntax //retval(i) = c.elem (i); // using method syntax } } return retval; }