1 files changed, 0 insertions, 139 deletions
diff --git a/includes/js/dojox/gfx/decompose.js b/includes/js/dojox/gfx/decompose.js
deleted file mode 100644
index 4e34ee6..0000000
--- a/includes/js/dojox/gfx/decompose.js
+++ /dev/null
@@ -1,139 +0,0 @@
-if(!dojo._hasResource["dojox.gfx.decompose"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
-dojo._hasResource["dojox.gfx.decompose"] = true;
-dojo.provide("dojox.gfx.decompose");
-
-dojo.require("dojox.gfx.matrix");
-
-(function(){
-	var m = dojox.gfx.matrix;
-
-	var eq = function(/* Number */ a, /* Number */ b){
-		// summary: compare two FP numbers for equality
-		return Math.abs(a - b) <= 1e-6 * (Math.abs(a) + Math.abs(b));	// Boolean
-	};
-	
-	var calcFromValues = function(/* Number */ r1, /* Number */ m1, /* Number */ r2, /* Number */ m2){
-		// summary: uses two close FP ration and their original magnitudes to approximate the result
-		if(!isFinite(r1)){
-			return r2;	// Number
-		}else if(!isFinite(r2)){
-			return r1;	// Number
-		}
-		m1 = Math.abs(m1), m2 = Math.abs(m2);
-		return (m1 * r1 + m2 * r2) / (m1 + m2);	// Number
-	};
-	
-	var transpose = function(/* dojox.gfx.matrix.Matrix2D */ matrix){
-		// matrix: dojox.gfx.matrix.Matrix2D: a 2D matrix-like object
-		var M = new m.Matrix2D(matrix);
-		return dojo.mixin(M, {dx: 0, dy: 0, xy: M.yx, yx: M.xy});	// dojox.gfx.matrix.Matrix2D
-	};
-	
-	var scaleSign = function(/* dojox.gfx.matrix.Matrix2D */ matrix){
-		return (matrix.xx * matrix.yy < 0 || matrix.xy * matrix.yx > 0) ? -1 : 1;	// Number
-	};
-	
-	var eigenvalueDecomposition = function(/* dojox.gfx.matrix.Matrix2D */ matrix){
-		// matrix: dojox.gfx.matrix.Matrix2D: a 2D matrix-like object
-		var M = m.normalize(matrix),
-			b = -M.xx - M.yy,
-			c = M.xx * M.yy - M.xy * M.yx,
-			d = Math.sqrt(b * b - 4 * c),
-			l1 = -(b + (b < 0 ? -d : d)) / 2,
-			l2 = c / l1,
-			vx1 = M.xy / (l1 - M.xx), vy1 = 1,
-			vx2 = M.xy / (l2 - M.xx), vy2 = 1;
-		if(eq(l1, l2)){
-			vx1 = 1, vy1 = 0, vx2 = 0, vy2 = 1;
-		}
-		if(!isFinite(vx1)){
-			vx1 = 1, vy1 = (l1 - M.xx) / M.xy;
-			if(!isFinite(vy1)){
-				vx1 = (l1 - M.yy) / M.yx, vy1 = 1;
-				if(!isFinite(vx1)){
-					vx1 = 1, vy1 = M.yx / (l1 - M.yy);
-				}
-			}
-		}
-		if(!isFinite(vx2)){
-			vx2 = 1, vy2 = (l2 - M.xx) / M.xy;
-			if(!isFinite(vy2)){
-				vx2 = (l2 - M.yy) / M.yx, vy2 = 1;
-				if(!isFinite(vx2)){
-					vx2 = 1, vy2 = M.yx / (l2 - M.yy);
-				}
-			}
-		}
-		var d1 = Math.sqrt(vx1 * vx1 + vy1 * vy1),
-			d2 = Math.sqrt(vx2 * vx2 + vy2 * vy2);
-		if(!isFinite(vx1 /= d1)){ vx1 = 0; }
-		if(!isFinite(vy1 /= d1)){ vy1 = 0; }
-		if(!isFinite(vx2 /= d2)){ vx2 = 0; }
-		if(!isFinite(vy2 /= d2)){ vy2 = 0; }
-		return {	// Object
-			value1: l1,
-			value2: l2,
-			vector1: {x: vx1, y: vy1},
-			vector2: {x: vx2, y: vy2}
-		};
-	};
-	
-	var decomposeSR = function(/* dojox.gfx.matrix.Matrix2D */ M, /* Object */ result){
-		// summary: decomposes a matrix into [scale, rotate]; no checks are done.
-		var sign = scaleSign(M),
-			a = result.angle1 = (Math.atan2(M.yx, M.yy) + Math.atan2(-sign * M.xy, sign * M.xx)) / 2,
-			cos = Math.cos(a), sin = Math.sin(a);
-		result.sx = calcFromValues(M.xx / cos, cos, -M.xy / sin, sin);
-		result.sy = calcFromValues(M.yy / cos, cos,  M.yx / sin, sin);
-		return result;	// Object
-	};
-	
-	var decomposeRS = function(/* dojox.gfx.matrix.Matrix2D */ M, /* Object */ result){
-		// summary: decomposes a matrix into [rotate, scale]; no checks are done
-		var sign = scaleSign(M),
-			a = result.angle2 = (Math.atan2(sign * M.yx, sign * M.xx) + Math.atan2(-M.xy, M.yy)) / 2,
-			cos = Math.cos(a), sin = Math.sin(a);
-		result.sx = calcFromValues(M.xx / cos, cos,  M.yx / sin, sin);
-		result.sy = calcFromValues(M.yy / cos, cos, -M.xy / sin, sin);
-		return result;	// Object
-	};
-	
-	dojox.gfx.decompose = function(matrix){
-		// summary: decompose a 2D matrix into translation, scaling, and rotation components
-		// description: this function decompose a matrix into four logical components: 
-		//	translation, rotation, scaling, and one more rotation using SVD.
-		//	The components should be applied in following order:
-		//	| [translate, rotate(angle2), scale, rotate(angle1)]
-		// matrix: dojox.gfx.matrix.Matrix2D: a 2D matrix-like object
-		var M = m.normalize(matrix), 
-			result = {dx: M.dx, dy: M.dy, sx: 1, sy: 1, angle1: 0, angle2: 0};
-		// detect case: [scale]
-		if(eq(M.xy, 0) && eq(M.yx, 0)){
-			return dojo.mixin(result, {sx: M.xx, sy: M.yy});	// Object
-		}
-		// detect case: [scale, rotate]
-		if(eq(M.xx * M.yx, -M.xy * M.yy)){
-			return decomposeSR(M, result);	// Object
-		}
-		// detect case: [rotate, scale]
-		if(eq(M.xx * M.xy, -M.yx * M.yy)){
-			return decomposeRS(M, result);	// Object
-		}
-		// do SVD
-		var	MT = transpose(M),
-			u  = eigenvalueDecomposition([M, MT]),
-			v  = eigenvalueDecomposition([MT, M]),
-			U  = new m.Matrix2D({xx: u.vector1.x, xy: u.vector2.x, yx: u.vector1.y, yy: u.vector2.y}),
-			VT = new m.Matrix2D({xx: v.vector1.x, xy: v.vector1.y, yx: v.vector2.x, yy: v.vector2.y}),
-			S = new m.Matrix2D([m.invert(U), M, m.invert(VT)]);
-		decomposeSR(VT, result);
-		S.xx *= result.sx;
-		S.yy *= result.sy;
-		decomposeRS(U, result);
-		S.xx *= result.sx;
-		S.yy *= result.sy;
-		return dojo.mixin(result, {sx: S.xx, sy: S.yy});	// Object
-	};
-})();
-
-}