imgbreakup

 

	int no_samples;
	int i,j,k;
	float	temp;
	dsp_floatMatrix_t	matrix;
	dsp_floatMatrix_Pt	matrix_P;
	dsp_floatMatrix_Pt	subMatrix_P;
	int	pwidth;
	int	pheight;
	float**		mat_PP;
	image_t	img;
	dsp_floatMatrix_Pt Dsp_SubMatrix();
	int	done;

 

	SET_CELL_SIZE_IN(0,sizeof(image_t));
    SET_CELL_SIZE_OUT(0,sizeof(image_t));

 

/*
 * collect the image
 */
for (no_samples = MIN_AVAIL(); no_samples > 0; --no_samples) {
	IT_IN(0);
	img=x(0);
	pheight=img.height;
	pwidth=img.width;
	mat_PP=img.image_PP;

	widthOffset=0;
	heightOffset=0;

	/*
	 * package as a matrix structure
	 */
	matrix.matrix_PP=mat_PP;
	matrix.width=pwidth;
	matrix.height=pheight;
	done=0;
	while (!done) {
	     matrix_P=Dsp_SubMatrix(&matrix,subWidth,subHeight,
			widthOffset,heightOffset);

	     if(matrix_P == NULL) {
		fprintf(stderr,"imgbreakup: allocation failure\n");
		return(4);
	     }

             if(IT_OUT(0) ){
		    KrnOverflow("imgbreakup",0);
		    return(99);
	     }

	     img.image_PP=matrix_P->matrix_PP;
	     img.width=matrix_P->width;
	     img.height=matrix_P->height;

	     y(0) = img;
	     widthOffset += subWidth;
	     if(widthOffset >= pwidth) {
			heightOffset += subHeight;
			widthOffset =0;
	     }

	     if(heightOffset >= pheight)
			done=1;
	}
			
}
return(0);

/*  Capsim (r) Text Mode Kernel (TMK) Star Library (Blocks)
    Copyright (C) 1989-2017  Silicon DSP Corporation

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

    http://www.silicondsp.com
    Silicon DSP  Corporation
    Las Vegas, Nevada
*/

 

/* imgbreakup.s */
/***********************************************************************
                             imgbreakup()
************************************************************************
This star inputs an image and creates sub images.
The sub images are sequentially output.

imgbreakup


This star inputs an image and creates sub images. The sub images are sequentially output.


Programmer:  	Sasan Ardalan	
Date: 		August 15, 1993

*/