93 lines
2.2 KiB
C
93 lines
2.2 KiB
C
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/* @(#) Make a memory area of pixels into a VIPS image ... we don't free() on
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* @(#) im_close(), that's up to the caller ... format is BandFmt
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* @(#)
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* @(#) Usage:
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* @(#)
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* @(#) IMAGE *
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* @(#) im_image( void *buffer, int width, int height, int bands, int format )
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* @(#)
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* @(#) The function returns NULL on error.
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* Written on: 11/7/00
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* Modified on:
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* 20/3/01 JC
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* - oops, broken for IM_BANDFMT_UCHAR
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*/
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/*
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This file is part of VIPS.
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VIPS is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/*
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These files are distributed with VIPS - http://www.vips.ecs.soton.ac.uk
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif /*HAVE_CONFIG_H*/
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#include <vips/intl.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <vips/vips.h>
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#ifdef WITH_DMALLOC
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#include <dmalloc.h>
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#endif /*WITH_DMALLOC*/
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IMAGE *
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im_image( void *buffer, int width, int height, int bands, int format )
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{
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IMAGE *im;
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if( width <= 0 || height <= 0 || bands <= 0 ||
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format < 0 || format > IM_BANDFMT_DPCOMPLEX ) {
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im_errormsg( "im_image: bad parameters" );
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return( NULL );
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}
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/* Make new output image for us.
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*/
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if( !(im = im_init( "untitled" )) )
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return( NULL );
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/* Set header fields.
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*/
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im->Xsize = width;
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im->Ysize = height;
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im->Bands = bands;
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im->BandFmt = format;
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im->Bbits = im_bits_of_fmt( format );
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im->Coding = IM_CODING_NONE;
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if( bands == 1 )
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im->Type = IM_TYPE_B_W;
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else if( bands == 3 )
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im->Type = IM_TYPE_RGB;
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else
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im->Type = IM_TYPE_MULTIBAND;
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im->data = (char *) buffer;
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im->dtype = IM_SETBUF_FOREIGN;
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return( im );
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}
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