reorganize

1 files changed, 0 insertions, 217 deletions

diff --git a/canvasquery.dither.js b/canvasquery.dither.js
deleted file mode 100644
index a76ad12..0000000
--- a/canvasquery.dither.js
+++ /dev/null
@@ -1,217 +0,0 @@
-var patterns = {}
-patterns[2] = [ 0, 2,
-                3, 1 ]
-
-patterns[3] = [ 0,  5,  3,
-                8,  1,  6,
-                4,  7,  2, ]
-
-patterns[4] = [ 0,  8,  2, 10,
-                6, 14,  4, 12,
-                3, 11,  1,  9,
-                5, 13,  7, 15  ]
-
-CanvasQuery.Wrapper.prototype.threshold = function(factor) {
-  var bitmap = this.context.getImageData(0, 0, this.canvas.width, this.canvas.height)
-  var bitmapData = bitmap.data
-
-  var width = this.canvas.width
-  var height = this.canvas.height
-
-  if (factor < 1) factor *= 255
-
-	for (var i = 0; i < height; i++) {
-		for (var j = 0; j < width; j++) {
-			var a = 4 * (i*width + j)
-			var val = (bitmapData[a] + bitmapData[a+1] + bitmapData[a+2]) / 3
-      var lum = val > factor ? 255 : 0
-			bitmapData[a] = bitmapData[a+1] = bitmapData[a+2] = lum
-    }
-  }
-  this.context.putImageData(bitmap, 0, 0);
-  return this;
-}
-
-CanvasQuery.Wrapper.prototype.randomDither = function() {
-  var bitmap = this.context.getImageData(0, 0, this.canvas.width, this.canvas.height)
-  var bitmapData = bitmap.data
-
-  var width = this.canvas.width
-  var height = this.canvas.height
-
-	for (var i = 0; i < height; i++) {
-		for (var j = 0; j < width; j++) {
-			var a = 4 * (i*width + j)
-			var val = (bitmapData[a] + bitmapData[a+1] + bitmapData[a+2]) / (3*255)
-      var lum = val > Math.random() ? 255 : 0
-			bitmapData[a] = bitmapData[a+1] = bitmapData[a+2] = lum
-    }
-  }
-  this.context.putImageData(bitmap, 0, 0);
-  return this;
-}
-
-CanvasQuery.Wrapper.prototype.pattern2Dither = function() {
-  this.patternDither(2)
-}
-CanvasQuery.Wrapper.prototype.pattern3Dither = function() {
-  this.patternDither(3)
-}
-CanvasQuery.Wrapper.prototype.pattern4Dither = function() {
-  this.patternDither(4)
-}
-CanvasQuery.Wrapper.prototype.patternDither = function(n) {
-  var bitmap = this.context.getImageData(0, 0, this.canvas.width, this.canvas.height)
-  var bitmapData = bitmap.data
-
-  var width = this.canvas.width
-  var height = this.canvas.height
-
-  var pat = patterns[n]
-  var len = pat.length - 1
-
-	for (var i = 0; i < height; i++) {
-		for (var j = 0; j < width; j++) {
-      var p = ((i % n) * n) + (j % n)
-			var a = 4 * (i*width + j)
-			var val = (bitmapData[a] + bitmapData[a+1] + bitmapData[a+2]) / (3*255)
-      var lum = val > pat[p]/len ? 255 : 0
-			bitmapData[a] = bitmapData[a+1] = bitmapData[a+2] = lum
-    }
-  }
-  this.context.putImageData(bitmap, 0, 0);
-  return this;
-}
-
-CanvasQuery.Wrapper.prototype.pattern2LiteDither = function() {
-  this.patternLiteDither(2)
-}
-CanvasQuery.Wrapper.prototype.pattern3LiteDither = function() {
-  this.patternLiteDither(3)
-}
-CanvasQuery.Wrapper.prototype.pattern4LiteDither = function() {
-  this.patternLiteDither(4)
-}
-CanvasQuery.Wrapper.prototype.patternLiteDither = function(n) {
-  var bitmap = this.context.getImageData(0, 0, this.canvas.width, this.canvas.height)
-  var bitmapData = bitmap.data
-
-  var width = this.canvas.width
-  var height = this.canvas.height
-
-  var pat = patterns[n]
-  var len = pat.length
-
-	for (var i = 0; i < height; i++) {
-		for (var j = 0; j < width; j++) {
-      var p = ((i % n) * n) + (j % n)
-			var a = 4 * (i*width + j)
-			var val = (bitmapData[a] + bitmapData[a+1] + bitmapData[a+2]) / (3*255)
-      var lum = val > pat[p]/len ? 255 : 0
-			bitmapData[a] = bitmapData[a+1] = bitmapData[a+2] = lum
-    }
-  }
-  this.context.putImageData(bitmap, 0, 0);
-  return this;
-}
-
-CanvasQuery.Wrapper.prototype.floydSteinbergDither = function(n) {
-  var bitmap = this.context.getImageData(0, 0, this.canvas.width, this.canvas.height)
-  var bitmapData = bitmap.data
-
-  var mask = this.grayscaleToMask()
-
-  var width = this.canvas.width
-  var height = this.canvas.height
-
-	for (var y = 0; y < height; y++) {
-		for (var x = 0; x < width; x++) {
-			var p = (y*width + x)
-			var a = 4 * p
-			var val = mask[p]
-      var lum = val > 127 ? 255 : 0
-      var error = val - lum
-      if (x < width-1)
-        mask[ (y*width) + x+1 ]     += 7/16 * error
-      if (y < height-1 && x > 0)
-        mask[ ((y+1)*width) + x-1 ] += 5/16 * error
-      if (y < height-1)
-        mask[ ((y+1)*width) + x ]   += 3/16 * error
-      if (y < height-1 && x < width-1)
-        mask[ ((y+1)*width) + x+1 ] += 1/16 * error
-			bitmapData[a] = bitmapData[a+1] = bitmapData[a+2] = lum
-    }
-  }
-  this.context.putImageData(bitmap, 0, 0);
-  return this;
-}
-
-CanvasQuery.Wrapper.prototype.rightDither = function(n) {
-  var bitmap = this.context.getImageData(0, 0, this.canvas.width, this.canvas.height)
-  var bitmapData = bitmap.data
-
-  var mask = this.grayscaleToMask()
-
-  var width = this.canvas.width
-  var height = this.canvas.height
-
-	for (var y = 0; y < height; y++) {
-		for (var x = 0; x < width; x++) {
-			var p = (y*width + x)
-			var a = 4 * p
-			var val = mask[p]
-      var lum = val > 127 ? 255 : 0
-      var error = val - lum
-      if (x < width-1)
-        mask[ (y*width) + x+1 ]     += 7/16 * error
-			bitmapData[a] = bitmapData[a+1] = bitmapData[a+2] = lum
-    }
-  }
-  this.context.putImageData(bitmap, 0, 0);
-  return this;
-}
-
-CanvasQuery.Wrapper.prototype.halftone = function(radius, angle) {
-  var mask = this.grayscaleToMask()
-
-  this.fillStyle("#fff")
-  this.fillRect(0, 0, this.canvas.width, this.canvas.height)
-
-  var diameter = radius*2
-  var TWO_PI = Math.PI*2
-
-  var angle = angle / 180 * Math.PI
-
-  var cos = Math.cos(angle)
-  var sin = Math.sin(angle)
-
-  var xstep = cos * radius
-  var ystep = sin * radius
-
-  var w = this.canvas.width
-  var h = this.canvas.height
-
-  this.fillStyle("#000")
-
-  for (var i = -w; i < w; i++) {
-    for (var j = -h; j < h; j++) {
-      var x = i * ystep - j * xstep
-      var y = i * xstep + j * ystep
-      if (x > -diameter && y > -diameter && x < w+diameter && y < h+diameter) {
-        circle(this,x,y)
-      }
-    }
-  }
-
-  function circle(cq,x,y) {
-    var xx = x < 0 ? 0 : x > w ? w - 1 : x;
-    var yy = y < 0 ? 0 : y > h ? h - 1 : y;
-		var r = (1 - Math.pow( mask[ ~~(~~yy*w+(xx)) ] / 255, Math.E/4 )) * radius
-    cq.beginPath()
-      .arc(x,y,r,0,TWO_PI)
-      .closePath()
-      .fill();
-  }
-  return this;
-}
-