From 00861095f43a0fa1ced5b7e684d9b676df52342f Mon Sep 17 00:00:00 2001
From: ippo615 <acippolit@gmail.com>
Date: Sat, 30 Nov 2013 11:37:19 -0500
Subject: [PATCH] Removed unsed blurring code

---
 src/filters/Blur.js | 160 --------------------------------------------
 1 file changed, 160 deletions(-)

diff --git a/src/filters/Blur.js b/src/filters/Blur.js
index 4933bd33..43375c64 100644
--- a/src/filters/Blur.js
+++ b/src/filters/Blur.js
@@ -74,91 +74,6 @@
 
   };
 
-  var _BlurX = function(src,dst,opt){
-
-    var srcPixels = src.data,
-      dstPixels = dst.data,
-      xSize = src.width,
-      ySize = src.height,
-      i, m, x, y, k, tmp, r=0,g=0,b=0,a=0;
-
-    var kSize = opt.blurWidth || 5,
-      kMid = Math.floor(kSize/2);
-
-    var xEnd = xSize - kMid;
-
-    for (y = 0; y < ySize; y += 1) {
-      // Let's pretend we have a row of pixels with values: [1,2,3,4,5,6,7,8]
-      // To blur them, we need to compute a moving average as we move across it
-      // Let's say the moving average will have 5 elements in it, that means
-      // we need a buffer of 5 elements but we're summing them everytime so
-      // we'll just store the sum.
-      // To start we add everything before the (5/2)=2.5, 2nd element
-      // Then we add the 3rd element
-      // 12345 12345 12345 12345 12345
-      // 123   1234  12345  2345   345
-      // 6     6A    6AF   6AFE  6AFEC
-      r=0;g=0;b=0;a=0;
-      for (x=0; x<kMid; x+=1 ){
-        // Add the new
-        i = (y * xSize + x ) * 4;
-        r += srcPixels[i+0];
-        g += srcPixels[i+1];
-        b += srcPixels[i+2];
-        a += srcPixels[i+3];
-      }
-      for (x=0, tmp=kMid; x<kMid; x+=1,tmp+=1 ){
-        // Add the new
-        i = (y * xSize + x+kMid ) * 4;
-        r += srcPixels[i+0];
-        g += srcPixels[i+1];
-        b += srcPixels[i+2];
-        a += srcPixels[i+3];
-        // Store it
-        i = (y * xSize + x) * 4;
-        dstPixels[i+0] = r/kSize;
-        dstPixels[i+1] = g/kSize;
-        dstPixels[i+2] = b/kSize;
-        dstPixels[i+3] = a/kSize;
-      }
-      for (x = kMid; x < xEnd; x += 1) {
-        // Add the new
-        i = (y * xSize + x+kMid ) * 4;
-        r += srcPixels[i+0];
-        g += srcPixels[i+1];
-        b += srcPixels[i+2];
-        a += srcPixels[i+3];
-        // Subtract the old
-        i = (y * xSize + x-kMid ) * 4;
-        r -= srcPixels[i+0];
-        g -= srcPixels[i+1];
-        b -= srcPixels[i+2];
-        a -= srcPixels[i+3];
-        // Store the result
-        i = (y * xSize + x) * 4;
-        dstPixels[i+0] = r/kSize;
-        dstPixels[i+1] = g/kSize;
-        dstPixels[i+2] = b/kSize;
-        dstPixels[i+3] = a/kSize;
-      }
-      for (x=xEnd; x<xSize; x+=1 ){
-        // Subtract the old
-        i = (y * xSize + x - kMid ) * 4;
-        r -= srcPixels[i+0];
-        g -= srcPixels[i+1];
-        b -= srcPixels[i+2];
-        a -= srcPixels[i+3];
-        // Store it
-        i = (y * xSize + x) * 4;
-        dstPixels[i+0] = r/kSize;
-        dstPixels[i+1] = g/kSize;
-        dstPixels[i+2] = b/kSize;
-        dstPixels[i+3] = a/kSize;
-      }
-    }
-
-  };
-
   /**
    * BlurY Filter. Blurs the image in the Y direction (vertically). It
    *  performs w*h pixel reads, and w*h pixel writes.
@@ -224,81 +139,6 @@
 
   };
 
-  var _BlurY = function(src,dst,opt){
-
-    var srcPixels = src.data,
-      dstPixels = dst.data,
-      xSize = src.width,
-      ySize = src.height,
-      i, m, x, y, k, tmp, r=0,g=0,b=0,a=0;
-
-    var kSize = opt.blurHeight || 5,
-      kMid = Math.floor(kSize/2);
-
-    var yEnd = ySize - kMid;
-
-    for (x = 0; x < xSize; x += 1) {
-      r=0;g=0;b=0;a=0;
-      for (y=0; y<kMid; y+=1 ){
-        // Add the new
-        i = (y * xSize + x ) * 4;
-        r += srcPixels[i+0];
-        g += srcPixels[i+1];
-        b += srcPixels[i+2];
-        a += srcPixels[i+3];
-      }
-      for (y=0, tmp=kMid; y<kMid; y+=1,tmp+=1 ){
-        // Add the new
-        i = ((y+kMid) * xSize + x ) * 4;
-        r += srcPixels[i+0];
-        g += srcPixels[i+1];
-        b += srcPixels[i+2];
-        a += srcPixels[i+3];
-        // Store it
-        i = (y * xSize + x) * 4;
-        dstPixels[i+0] = r/kSize;
-        dstPixels[i+1] = g/kSize;
-        dstPixels[i+2] = b/kSize;
-        dstPixels[i+3] = a/kSize;
-      }
-      for (y = kMid; y < yEnd; y += 1) {
-        // Add the new
-        i = ((y+kMid) * xSize + x ) * 4;
-        r += srcPixels[i+0];
-        g += srcPixels[i+1];
-        b += srcPixels[i+2];
-        a += srcPixels[i+3];
-        // Subtract the old
-        i = ((y-kMid) * xSize + x ) * 4;
-        r -= srcPixels[i+0];
-        g -= srcPixels[i+1];
-        b -= srcPixels[i+2];
-        a -= srcPixels[i+3];
-        // Store the result
-        i = (y * xSize + x) * 4;
-        dstPixels[i+0] = r/kSize;
-        dstPixels[i+1] = g/kSize;
-        dstPixels[i+2] = b/kSize;
-        dstPixels[i+3] = a/kSize;
-      }
-      for (y=yEnd; y<ySize; y+=1 ){
-        // Subtract the old
-        i = ((y-kMid) * xSize + x ) * 4;
-        r -= srcPixels[i+0];
-        g -= srcPixels[i+1];
-        b -= srcPixels[i+2];
-        a -= srcPixels[i+3];
-        // Store it
-        i = (y * xSize + x) * 4;
-        dstPixels[i+0] = r/kSize;
-        dstPixels[i+1] = g/kSize;
-        dstPixels[i+2] = b/kSize;
-        dstPixels[i+3] = a/kSize;
-      }
-    }
-
-  };
-
   Kinetic.Filters.BlurX = Kinetic.Util._FilterWrapSingleBuffer(BlurX);
   Kinetic.Filters.BlurY = Kinetic.Util._FilterWrapSingleBuffer(BlurY);