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@@ -3,6 +3,7 @@
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#include <math.h>
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#include "../tp2.h"
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+
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void diff_c (
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unsigned char *src,
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unsigned char *src_2,
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@@ -17,4 +18,19 @@ void diff_c (
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unsigned char (*src_2_matrix)[src_2_row_size] = (unsigned char (*)[src_2_row_size]) src_2;
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unsigned char (*dst_matrix)[dst_row_size] = (unsigned char (*)[dst_row_size]) dst;
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+ int i,j,val;
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+ printf("%d %d \n", n,m);
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+
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+ for(i=0;i<n;i++){
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+ for(j=0;j<m*4;j+=4){
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+ val=((src_matrix[i][j+1]-src_2_matrix[i][j+1])+(src_matrix[i][j+2]-src_2_matrix[i][j+2])+(src_matrix[i][j+3]-src_2_matrix[i][j+3])) / 3;
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+ if (val < 0)
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+ val=-val;
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+
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+ dst_matrix[i][j+0]=0;
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+ dst_matrix[i][j+1]=val;
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+ dst_matrix[i][j+2]=val;
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+ dst_matrix[i][j+3]=val;
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+ }
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+ }
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}
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