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cc3_conv.c

Timestamp:

01/31/07 17:21:00 (2 years ago)

Author:

anthony_rowe

Message:

blah

Files:

r349	r363
12	12	The function returns 1 upon success and 0 on failure.
13	13	*/
14		int cc3_convolve_img(cc3_image_t img, cc3_kernel_t kernel)
	14	int cc3_convolve_img(cc3_image_t *img, cc3_kernel_t kernel)
15	15	{
16	16	uint32_t i,j,k,l,mat_div;
17	17	cc3_pixel_t p;
18	18	if(kernel.size>MAX_KERNEL_SIZE) return 0;
19		if( img.height<kernel.size+1 ) return 0;
20		if( img.width<kernel.size+1 ) return 0;
	19	if( img->height<kernel.size+1 ) return 0;
	20	if( img->width<kernel.size+1 ) return 0;
21	21
22	22	mat_div=kernel.divisor;
23		for(j=0; j<img.height-kernel.size+1; j++ )
24		for(i=0; i<img.width-kernel.size+1; i++ )
	23	for(j=0; j<img->height-kernel.size+1; j++ )
	24	for(i=0; i<img->width-kernel.size+1; i++ )
25	25	{
26	26	uint32_t tmp;
…	…
29	29	for(l=0; l<kernel.size; l++ )
30	30	{
31		cc3_get_pixel (&img, i+k, j+l, &p);
	31	cc3_get_pixel (img, i+k, j+l, &p);
32	32	tmp+=p.channel[0]*kernel.mat[k][l];
33	33	}
	34
34	35	p.channel[0]=tmp / mat_div;
35		cc3_set_pixel (&img, i, j, &p);
	36	cc3_set_pixel (img, i, j, &p);
36	37	}
37	38	return 1;