refactored shitty unusable code

Signed-off-by: rattatwinko <seppmutterman@gmail.com>

src/main/java/io/swtc/proccessing/DenoiseProccessor.java

@@ -0,0 +1,51 @@
+package io.swtc.proccessing;
+
+import java.util.stream.IntStream;
+
+public class DenoiseProccessor {
+
+    public int[] process(int[] srcPixels, int width, int height, float strength) {
+        if (strength <= 0) return srcPixels;
+
+        int[] dstPixels = new int[srcPixels.length];
+        int[] tempPixels = new int[srcPixels.length];
+
+        int radius = (int) (strength / 100f * 2) + 1;
+
+        // Pass 1: Horizontal
+        IntStream.range(0, height).parallel().forEach(y ->
+            blurLine(srcPixels, tempPixels, width, height, y, radius, true)
+        );
+
+        // Pass 2: Vertical
+        IntStream.range(0, width).parallel().forEach(x ->
+            blurLine(tempPixels, dstPixels, width, height, x, radius, false)
+        );
+
+        return dstPixels;
+    }
+
+    private void blurLine(int[] src, int[] dest, int w, int h, int lineIndex, int radius, boolean horizontal) {
+        int length = horizontal ? w : h;
+        int limit = length - 1;
+
+        for (int i = 0; i < length; i++) {
+            long rSum = 0, gSum = 0, bSum = 0;
+            int count = 0;
+            int start = Math.max(0, i - radius);
+            int end = Math.min(limit, i + radius);
+
+            for (int k = start; k <= end; k++) {
+                int idx = horizontal ? (lineIndex * w + k) : (k * w + lineIndex);
+                int rgb = src[idx];
+                rSum += (rgb >> 16) & 0xFF;
+                gSum += (rgb >> 8) & 0xFF;
+                bSum += rgb & 0xFF;
+                count++;
+            }
+
+            int targetIdx = horizontal ? (lineIndex * w + i) : (i * w + lineIndex);
+            dest[targetIdx] = ((int)(rSum/count) << 16) | ((int)(gSum/count) << 8) | (int)(bSum/count);
+        }
+    }
+}