diff options
Diffstat (limited to 'includes/js/dojox/gfx/matrix.js')
| -rw-r--r-- | includes/js/dojox/gfx/matrix.js | 444 |
1 files changed, 0 insertions, 444 deletions
diff --git a/includes/js/dojox/gfx/matrix.js b/includes/js/dojox/gfx/matrix.js deleted file mode 100644 index f3402b1..0000000 --- a/includes/js/dojox/gfx/matrix.js +++ /dev/null @@ -1,444 +0,0 @@ -if(!dojo._hasResource["dojox.gfx.matrix"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code. -dojo._hasResource["dojox.gfx.matrix"] = true; -dojo.provide("dojox.gfx.matrix"); - -(function(){ - var m = dojox.gfx.matrix; - - // candidates for dojox.math: - m._degToRad = function(degree){ return Math.PI * degree / 180; }; - m._radToDeg = function(radian){ return radian / Math.PI * 180; }; - - m.Matrix2D = function(arg){ - // summary: a 2D matrix object - // description: Normalizes a 2D matrix-like object. If arrays is passed, - // all objects of the array are normalized and multiplied sequentially. - // arg: Object - // a 2D matrix-like object, a number, or an array of such objects - if(arg){ - if(typeof arg == "number"){ - this.xx = this.yy = arg; - }else if(arg instanceof Array){ - if(arg.length > 0){ - var matrix = m.normalize(arg[0]); - // combine matrices - for(var i = 1; i < arg.length; ++i){ - var l = matrix, r = dojox.gfx.matrix.normalize(arg[i]); - matrix = new m.Matrix2D(); - matrix.xx = l.xx * r.xx + l.xy * r.yx; - matrix.xy = l.xx * r.xy + l.xy * r.yy; - matrix.yx = l.yx * r.xx + l.yy * r.yx; - matrix.yy = l.yx * r.xy + l.yy * r.yy; - matrix.dx = l.xx * r.dx + l.xy * r.dy + l.dx; - matrix.dy = l.yx * r.dx + l.yy * r.dy + l.dy; - } - dojo.mixin(this, matrix); - } - }else{ - dojo.mixin(this, arg); - } - } - }; - - // the default (identity) matrix, which is used to fill in missing values - dojo.extend(m.Matrix2D, {xx: 1, xy: 0, yx: 0, yy: 1, dx: 0, dy: 0}); - - dojo.mixin(m, { - // summary: class constants, and methods of dojox.gfx.matrix - - // matrix constants - - // identity: dojox.gfx.matrix.Matrix2D - // an identity matrix constant: identity * (x, y) == (x, y) - identity: new m.Matrix2D(), - - // flipX: dojox.gfx.matrix.Matrix2D - // a matrix, which reflects points at x = 0 line: flipX * (x, y) == (-x, y) - flipX: new m.Matrix2D({xx: -1}), - - // flipY: dojox.gfx.matrix.Matrix2D - // a matrix, which reflects points at y = 0 line: flipY * (x, y) == (x, -y) - flipY: new m.Matrix2D({yy: -1}), - - // flipXY: dojox.gfx.matrix.Matrix2D - // a matrix, which reflects points at the origin of coordinates: flipXY * (x, y) == (-x, -y) - flipXY: new m.Matrix2D({xx: -1, yy: -1}), - - // matrix creators - - translate: function(a, b){ - // summary: forms a translation matrix - // description: The resulting matrix is used to translate (move) points by specified offsets. - // a: Number: an x coordinate value - // b: Number: a y coordinate value - if(arguments.length > 1){ - return new m.Matrix2D({dx: a, dy: b}); // dojox.gfx.matrix.Matrix2D - } - // branch - // a: dojox.gfx.Point: a point-like object, which specifies offsets for both dimensions - // b: null - return new m.Matrix2D({dx: a.x, dy: a.y}); // dojox.gfx.matrix.Matrix2D - }, - scale: function(a, b){ - // summary: forms a scaling matrix - // description: The resulting matrix is used to scale (magnify) points by specified offsets. - // a: Number: a scaling factor used for the x coordinate - // b: Number: a scaling factor used for the y coordinate - if(arguments.length > 1){ - return new m.Matrix2D({xx: a, yy: b}); // dojox.gfx.matrix.Matrix2D - } - if(typeof a == "number"){ - // branch - // a: Number: a uniform scaling factor used for the both coordinates - // b: null - return new m.Matrix2D({xx: a, yy: a}); // dojox.gfx.matrix.Matrix2D - } - // branch - // a: dojox.gfx.Point: a point-like object, which specifies scale factors for both dimensions - // b: null - return new m.Matrix2D({xx: a.x, yy: a.y}); // dojox.gfx.matrix.Matrix2D - }, - rotate: function(angle){ - // summary: forms a rotating matrix - // description: The resulting matrix is used to rotate points - // around the origin of coordinates (0, 0) by specified angle. - // angle: Number: an angle of rotation in radians (>0 for CW) - var c = Math.cos(angle); - var s = Math.sin(angle); - return new m.Matrix2D({xx: c, xy: -s, yx: s, yy: c}); // dojox.gfx.matrix.Matrix2D - }, - rotateg: function(degree){ - // summary: forms a rotating matrix - // description: The resulting matrix is used to rotate points - // around the origin of coordinates (0, 0) by specified degree. - // See dojox.gfx.matrix.rotate() for comparison. - // degree: Number: an angle of rotation in degrees (>0 for CW) - return m.rotate(m._degToRad(degree)); // dojox.gfx.matrix.Matrix2D - }, - skewX: function(angle) { - // summary: forms an x skewing matrix - // description: The resulting matrix is used to skew points in the x dimension - // around the origin of coordinates (0, 0) by specified angle. - // angle: Number: an skewing angle in radians - return new m.Matrix2D({xy: -Math.tan(angle)}); // dojox.gfx.matrix.Matrix2D - }, - skewXg: function(degree){ - // summary: forms an x skewing matrix - // description: The resulting matrix is used to skew points in the x dimension - // around the origin of coordinates (0, 0) by specified degree. - // See dojox.gfx.matrix.skewX() for comparison. - // degree: Number: an skewing angle in degrees - return m.skewX(m._degToRad(degree)); // dojox.gfx.matrix.Matrix2D - }, - skewY: function(angle){ - // summary: forms a y skewing matrix - // description: The resulting matrix is used to skew points in the y dimension - // around the origin of coordinates (0, 0) by specified angle. - // angle: Number: an skewing angle in radians - return new m.Matrix2D({yx: Math.tan(angle)}); // dojox.gfx.matrix.Matrix2D - }, - skewYg: function(degree){ - // summary: forms a y skewing matrix - // description: The resulting matrix is used to skew points in the y dimension - // around the origin of coordinates (0, 0) by specified degree. - // See dojox.gfx.matrix.skewY() for comparison. - // degree: Number: an skewing angle in degrees - return m.skewY(m._degToRad(degree)); // dojox.gfx.matrix.Matrix2D - }, - reflect: function(a, b){ - // summary: forms a reflection matrix - // description: The resulting matrix is used to reflect points around a vector, - // which goes through the origin. - // a: dojox.gfx.Point: a point-like object, which specifies a vector of reflection - // b: null - if(arguments.length == 1){ - b = a.y; - a = a.x; - } - // branch - // a: Number: an x coordinate value - // b: Number: a y coordinate value - - // make a unit vector - var a2 = a * a, b2 = b * b, n2 = a2 + b2, xy = 2 * a * b / n2; - return new m.Matrix2D({xx: 2 * a2 / n2 - 1, xy: xy, yx: xy, yy: 2 * b2 / n2 - 1}); // dojox.gfx.matrix.Matrix2D - }, - project: function(a, b){ - // summary: forms an orthogonal projection matrix - // description: The resulting matrix is used to project points orthogonally on a vector, - // which goes through the origin. - // a: dojox.gfx.Point: a point-like object, which specifies a vector of projection - // b: null - if(arguments.length == 1){ - b = a.y; - a = a.x; - } - // branch - // a: Number: an x coordinate value - // b: Number: a y coordinate value - - // make a unit vector - var a2 = a * a, b2 = b * b, n2 = a2 + b2, xy = a * b / n2; - return new m.Matrix2D({xx: a2 / n2, xy: xy, yx: xy, yy: b2 / n2}); // dojox.gfx.matrix.Matrix2D - }, - - // ensure matrix 2D conformance - normalize: function(matrix){ - // summary: converts an object to a matrix, if necessary - // description: Converts any 2D matrix-like object or an array of - // such objects to a valid dojox.gfx.matrix.Matrix2D object. - // matrix: Object: an object, which is converted to a matrix, if necessary - return (matrix instanceof m.Matrix2D) ? matrix : new m.Matrix2D(matrix); // dojox.gfx.matrix.Matrix2D - }, - - // common operations - - clone: function(matrix){ - // summary: creates a copy of a 2D matrix - // matrix: dojox.gfx.matrix.Matrix2D: a 2D matrix-like object to be cloned - var obj = new m.Matrix2D(); - for(var i in matrix){ - if(typeof(matrix[i]) == "number" && typeof(obj[i]) == "number" && obj[i] != matrix[i]) obj[i] = matrix[i]; - } - return obj; // dojox.gfx.matrix.Matrix2D - }, - invert: function(matrix){ - // summary: inverts a 2D matrix - // matrix: dojox.gfx.matrix.Matrix2D: a 2D matrix-like object to be inverted - var M = m.normalize(matrix), - D = M.xx * M.yy - M.xy * M.yx, - M = new m.Matrix2D({ - xx: M.yy/D, xy: -M.xy/D, - yx: -M.yx/D, yy: M.xx/D, - dx: (M.xy * M.dy - M.yy * M.dx) / D, - dy: (M.yx * M.dx - M.xx * M.dy) / D - }); - return M; // dojox.gfx.matrix.Matrix2D - }, - _multiplyPoint: function(matrix, x, y){ - // summary: applies a matrix to a point - // matrix: dojox.gfx.matrix.Matrix2D: a 2D matrix object to be applied - // x: Number: an x coordinate of a point - // y: Number: a y coordinate of a point - return {x: matrix.xx * x + matrix.xy * y + matrix.dx, y: matrix.yx * x + matrix.yy * y + matrix.dy}; // dojox.gfx.Point - }, - multiplyPoint: function(matrix, /* Number||Point */ a, /* Number, optional */ b){ - // summary: applies a matrix to a point - // matrix: dojox.gfx.matrix.Matrix2D: a 2D matrix object to be applied - // a: Number: an x coordinate of a point - // b: Number: a y coordinate of a point - var M = m.normalize(matrix); - if(typeof a == "number" && typeof b == "number"){ - return m._multiplyPoint(M, a, b); // dojox.gfx.Point - } - // branch - // matrix: dojox.gfx.matrix.Matrix2D: a 2D matrix object to be applied - // a: dojox.gfx.Point: a point - // b: null - return m._multiplyPoint(M, a.x, a.y); // dojox.gfx.Point - }, - multiply: function(matrix){ - // summary: combines matrices by multiplying them sequentially in the given order - // matrix: dojox.gfx.matrix.Matrix2D...: a 2D matrix-like object, - // all subsequent arguments are matrix-like objects too - var M = m.normalize(matrix); - // combine matrices - for(var i = 1; i < arguments.length; ++i){ - var l = M, r = m.normalize(arguments[i]); - M = new m.Matrix2D(); - M.xx = l.xx * r.xx + l.xy * r.yx; - M.xy = l.xx * r.xy + l.xy * r.yy; - M.yx = l.yx * r.xx + l.yy * r.yx; - M.yy = l.yx * r.xy + l.yy * r.yy; - M.dx = l.xx * r.dx + l.xy * r.dy + l.dx; - M.dy = l.yx * r.dx + l.yy * r.dy + l.dy; - } - return M; // dojox.gfx.matrix.Matrix2D - }, - - // high level operations - - _sandwich: function(matrix, x, y){ - // summary: applies a matrix at a centrtal point - // matrix: dojox.gfx.matrix.Matrix2D: a 2D matrix-like object, which is applied at a central point - // x: Number: an x component of the central point - // y: Number: a y component of the central point - return m.multiply(m.translate(x, y), matrix, m.translate(-x, -y)); // dojox.gfx.matrix.Matrix2D - }, - scaleAt: function(a, b, c, d){ - // summary: scales a picture using a specified point as a center of scaling - // description: Compare with dojox.gfx.matrix.scale(). - // a: Number: a scaling factor used for the x coordinate - // b: Number: a scaling factor used for the y coordinate - // c: Number: an x component of a central point - // d: Number: a y component of a central point - - // accepts several signatures: - // 1) uniform scale factor, Point - // 2) uniform scale factor, x, y - // 3) x scale, y scale, Point - // 4) x scale, y scale, x, y - - switch(arguments.length){ - case 4: - // a and b are scale factor components, c and d are components of a point - return m._sandwich(m.scale(a, b), c, d); // dojox.gfx.matrix.Matrix2D - case 3: - if(typeof c == "number"){ - // branch - // a: Number: a uniform scaling factor used for both coordinates - // b: Number: an x component of a central point - // c: Number: a y component of a central point - // d: null - return m._sandwich(m.scale(a), b, c); // dojox.gfx.matrix.Matrix2D - } - // branch - // a: Number: a scaling factor used for the x coordinate - // b: Number: a scaling factor used for the y coordinate - // c: dojox.gfx.Point: a central point - // d: null - return m._sandwich(m.scale(a, b), c.x, c.y); // dojox.gfx.matrix.Matrix2D - } - // branch - // a: Number: a uniform scaling factor used for both coordinates - // b: dojox.gfx.Point: a central point - // c: null - // d: null - return m._sandwich(m.scale(a), b.x, b.y); // dojox.gfx.matrix.Matrix2D - }, - rotateAt: function(angle, a, b){ - // summary: rotates a picture using a specified point as a center of rotation - // description: Compare with dojox.gfx.matrix.rotate(). - // angle: Number: an angle of rotation in radians (>0 for CW) - // a: Number: an x component of a central point - // b: Number: a y component of a central point - - // accepts several signatures: - // 1) rotation angle in radians, Point - // 2) rotation angle in radians, x, y - - if(arguments.length > 2){ - return m._sandwich(m.rotate(angle), a, b); // dojox.gfx.matrix.Matrix2D - } - - // branch - // angle: Number: an angle of rotation in radians (>0 for CCW) - // a: dojox.gfx.Point: a central point - // b: null - return m._sandwich(m.rotate(angle), a.x, a.y); // dojox.gfx.matrix.Matrix2D - }, - rotategAt: function(degree, a, b){ - // summary: rotates a picture using a specified point as a center of rotation - // description: Compare with dojox.gfx.matrix.rotateg(). - // degree: Number: an angle of rotation in degrees (>0 for CW) - // a: Number: an x component of a central point - // b: Number: a y component of a central point - - // accepts several signatures: - // 1) rotation angle in degrees, Point - // 2) rotation angle in degrees, x, y - - if(arguments.length > 2){ - return m._sandwich(m.rotateg(degree), a, b); // dojox.gfx.matrix.Matrix2D - } - - // branch - // degree: Number: an angle of rotation in degrees (>0 for CCW) - // a: dojox.gfx.Point: a central point - // b: null - return m._sandwich(m.rotateg(degree), a.x, a.y); // dojox.gfx.matrix.Matrix2D - }, - skewXAt: function(angle, a, b){ - // summary: skews a picture along the x axis using a specified point as a center of skewing - // description: Compare with dojox.gfx.matrix.skewX(). - // angle: Number: an skewing angle in radians - // a: Number: an x component of a central point - // b: Number: a y component of a central point - - // accepts several signatures: - // 1) skew angle in radians, Point - // 2) skew angle in radians, x, y - - if(arguments.length > 2){ - return m._sandwich(m.skewX(angle), a, b); // dojox.gfx.matrix.Matrix2D - } - - // branch - // angle: Number: an skewing angle in radians - // a: dojox.gfx.Point: a central point - // b: null - return m._sandwich(m.skewX(angle), a.x, a.y); // dojox.gfx.matrix.Matrix2D - }, - skewXgAt: function(degree, a, b){ - // summary: skews a picture along the x axis using a specified point as a center of skewing - // description: Compare with dojox.gfx.matrix.skewXg(). - // degree: Number: an skewing angle in degrees - // a: Number: an x component of a central point - // b: Number: a y component of a central point - - // accepts several signatures: - // 1) skew angle in degrees, Point - // 2) skew angle in degrees, x, y - - if(arguments.length > 2){ - return m._sandwich(m.skewXg(degree), a, b); // dojox.gfx.matrix.Matrix2D - } - - // branch - // degree: Number: an skewing angle in degrees - // a: dojox.gfx.Point: a central point - // b: null - return m._sandwich(m.skewXg(degree), a.x, a.y); // dojox.gfx.matrix.Matrix2D - }, - skewYAt: function(angle, a, b){ - // summary: skews a picture along the y axis using a specified point as a center of skewing - // description: Compare with dojox.gfx.matrix.skewY(). - // angle: Number: an skewing angle in radians - // a: Number: an x component of a central point - // b: Number: a y component of a central point - - // accepts several signatures: - // 1) skew angle in radians, Point - // 2) skew angle in radians, x, y - - if(arguments.length > 2){ - return m._sandwich(m.skewY(angle), a, b); // dojox.gfx.matrix.Matrix2D - } - - // branch - // angle: Number: an skewing angle in radians - // a: dojox.gfx.Point: a central point - // b: null - return m._sandwich(m.skewY(angle), a.x, a.y); // dojox.gfx.matrix.Matrix2D - }, - skewYgAt: function(/* Number */ degree, /* Number||Point */ a, /* Number, optional */ b){ - // summary: skews a picture along the y axis using a specified point as a center of skewing - // description: Compare with dojox.gfx.matrix.skewYg(). - // degree: Number: an skewing angle in degrees - // a: Number: an x component of a central point - // b: Number: a y component of a central point - - // accepts several signatures: - // 1) skew angle in degrees, Point - // 2) skew angle in degrees, x, y - - if(arguments.length > 2){ - return m._sandwich(m.skewYg(degree), a, b); // dojox.gfx.matrix.Matrix2D - } - - // branch - // degree: Number: an skewing angle in degrees - // a: dojox.gfx.Point: a central point - // b: null - return m._sandwich(m.skewYg(degree), a.x, a.y); // dojox.gfx.matrix.Matrix2D - } - - //TODO: rect-to-rect mapping, scale-to-fit (isotropic and anisotropic versions) - - }); -})(); - -// propagate Matrix2D up -dojox.gfx.Matrix2D = dojox.gfx.matrix.Matrix2D; - -} |