shithub: ifilter

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cleanup

--- a/blur.c

+++ b/blur.c

@@ -46,7 +46,7 @@

 pixelate(uchar *data, int w, int h, int depth)

 {

 	uchar *out;

-	int x, y, i, ox, oy, oi, sr, sg, sb;

+	int x, y, ox, oy, oi, sr, sg, sb;

 	if(size < 0)

 		sysfatal("pixelate filter needs a size argument");

@@ -55,7 +55,6 @@

 		return nil;

 	for(y = 0; y < h; y += size){

 		for(x = 0; x < w; x += size){

-			//i = (x + w * y) * depth;

 			sr = sg = sb = 0;

 			for(oy = y; oy < y+size; oy++){

 				for(ox = x; ox < x+size; ox++){

@@ -65,12 +64,15 @@

 					sb += data[oi + 2];

 				}

 			}

+			sr /= (size*size);

+			sg /= (size*size);

+			sb /= (size*size);

 			for(oy = y; oy < y+size; oy++){

 				for(ox = x; ox < x+size; ox++){

 					oi = (ox + w * oy) * depth;

-					out[oi + 0] = sr / (size*size);

-					out[oi + 1] = sg / (size*size);

-					out[oi + 2] = sb / (size*size);

+					out[oi + 0] = sr;

+					out[oi + 1] = sg;

+					out[oi + 2] = sb;

 				}

 			}

 		}