diff options
| -rwxr-xr-x | CHANGELOG.md | 2 | ||||
| -rwxr-xr-x | dist/svg.js | 169 | ||||
| -rwxr-xr-x | dist/svg.min.js | 4 | ||||
| -rwxr-xr-x | spec/spec/element.js | 87 | ||||
| -rw-r--r-- | spec/spec/matrix.js | 26 | ||||
| -rwxr-xr-x | spec/spec/path.js | 2 | ||||
| -rwxr-xr-x | src/boxes.js | 2 | ||||
| -rwxr-xr-x | src/group.js | 4 | ||||
| -rw-r--r-- | src/matrix.js | 6 | ||||
| -rw-r--r-- | src/transform.js | 143 |
10 files changed, 284 insertions, 161 deletions
diff --git a/CHANGELOG.md b/CHANGELOG.md index 7ffa448..d527177 100755 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -42,7 +42,7 @@ - added reverse functionality for animations - documented the `situation` object in `SVG.FX` - renamed `SVG.SetFX` to `SVG.FX.Set` -- added distinction between relative and absolute matrix transformations -> __TODO!__ +- added distinction between relative and absolute matrix transformations - added specs for `SVG.FX` -> __TODO!__ - implemented the `element()` method using the `SVG.Bare` class to create elements that are not described by SVG.js - removed `SVG.Symbol` but kept the `symbol()` method using the new `element()` method diff --git a/dist/svg.js b/dist/svg.js index 3c3a377..6527e87 100755 --- a/dist/svg.js +++ b/dist/svg.js @@ -6,7 +6,7 @@ * @copyright Wout Fierens <wout@impinc.co.uk> * @license MIT * -* BUILT: Tue Aug 19 2014 18:15:39 GMT+0200 (CEST) +* BUILT: Sun Aug 24 2014 15:40:30 GMT+0200 (CEST) */; (function(root, factory) { @@ -1652,8 +1652,6 @@ SVG.RBox = SVG.invent({ } // Recalculate viewbox distortion - // this.x /= zoom - // this.y /= zoom this.width = box.width /= zoom this.height = box.height /= zoom @@ -1842,7 +1840,11 @@ SVG.Matrix = SVG.invent({ } // Convert matrix to string , toString: function() { - return 'matrix(' + [this.a, this.b, this.c, this.d, this.e, this.f].join() + ')' + return 'matrix(' + this.toArray().join() + ')' + } + // Convert matrix to array + , toArray: function() { + return [this.a, this.b, this.c, this.d, this.e, this.f] } } @@ -1939,72 +1941,103 @@ SVG.extend(SVG.Element, { } }) SVG.extend(SVG.Element, SVG.FX, { - // Add transformations - transform: function(o) { - // get target in case of the fx module, otherwise reference this - var target = this.target || this - - // full getter - if (o == null) - return target.ctm().extract() - - // singular getter - else if (typeof o === 'string') - return target.ctm().extract()[o] - - // get current matrix - var matrix = new SVG.Matrix(o.add === true ? target : {}) - - // act on matrix - if (o.a != null) - matrix = matrix.multiply(new SVG.Matrix(o)) - - // act on rotate - else if (o.rotation) - matrix = matrix.rotate( - o.rotation - , o.cx == null ? target.bbox().cx : o.cx - , o.cy == null ? target.bbox().cy : o.cy - ) - - // act on scale - else if (o.scale != null || o.scaleX != null || o.scaleY != null) - matrix = matrix.scale( - o.scale != null ? o.scale : o.scaleX != null ? o.scaleX : 1 - , o.scale != null ? o.scale : o.scaleY != null ? o.scaleY : 1 - , o.cx == null ? target.bbox().x : o.cx - , o.cy == null ? target.bbox().y : o.cy - ) - - // act on skew - else if (o.skewX || o.skewY) - matrix = matrix.skew( - o.skewX - , o.skewY - , o.cx == null ? target.bbox().cx : o.cx - , o.cy == null ? target.bbox().cy : o.cy - ) - - // act on flip - else if (o.flip) - matrix = matrix.flip( - o.flip - , o.offset == null ? target.bbox()['c' + o.flip] : o.offset - ) - - // act on translate - else if (o.x || o.y) - matrix = matrix.translate(o.x, o.y) - - return this.attr('transform', matrix) - } + // Add transformations + transform: function(o, relative) { + // get target in case of the fx module, otherwise reference this + var target = this.target || this + + // full getter + if (o == null) + return target.ctm().extract() + + // singular getter + else if (typeof o === 'string') + return target.ctm().extract()[o] + + // get current matrix + var matrix = new SVG.Matrix(target) + + // ensure relative flag + relative = !!relative || !!o.relative + + // act on matrix + if (o.a != null) { + matrix = relative ? + // relative + matrix.multiply(new SVG.Matrix(o)) : + // absolute + new SVG.Matrix(o) + + // act on rotate + } else if (o.rotation != null) { + o.cx = o.cx == null ? target.bbox().cx : o.cx + o.cy = o.cy == null ? target.bbox().cy : o.cy + + matrix = relative ? + // relative + target.attr('transform', matrix + ' rotate(' + [o.rotation, o.cx, o.cy].join() + ')').ctm() : + // absolute + matrix.rotate(o.rotation - matrix.extract().rotation, o.cx, o.cy) + + // act on scale + } else if (o.scale != null || o.scaleX != null || o.scaleY != null) { + o.scaleX = o.scale != null ? o.scale : o.scaleX != null ? o.scaleX : 1 + o.scaleY = o.scale != null ? o.scale : o.scaleY != null ? o.scaleY : 1 + o.cx = o.cx == null ? target.bbox().cx : o.cx + o.cy = o.cy == null ? target.bbox().cy : o.cy + + if (!relative) { + // absolute; multiply inversed values + var e = matrix.extract() + o.scaleX = o.scaleX * 1 / e.scaleX + o.scaleY = o.scaleY * 1 / e.scaleY + } + + matrix = matrix.scale(o.scaleX, o.scaleY, o.cx, o.cy) + + // act on skew + } else if (o.skewX != null || o.skewY != null) { + o.skewX = o.skewX != null ? o.skewX : 0 + o.skewY = o.skewY != null ? o.skewY : 0 + o.cx = o.cx == null ? target.bbox().cx : o.cx + o.cy = o.cy == null ? target.bbox().cy : o.cy + + if (!relative) { + // absolute; reset skew values + var e = matrix.extract() + matrix = matrix.multiply(new SVG.Matrix().skew(e.skewX, e.skewY, o.cx, o.cy).inverse()) + } + + matrix = matrix.skew(o.skewX, o.skewY, o.cx, o.cy) + + // act on flip + } else if (o.flip) { + matrix = matrix.flip( + o.flip + , o.offset == null ? target.bbox()['c' + o.flip] : o.offset + ) + + // act on translate + } else if (o.x != null || o.y != null) { + if (relative) { + // relative + matrix = matrix.translate(o.x, o.y) + } else { + // absolute + if (o.x != null) matrix.e = o.x + if (o.y != null) matrix.f = o.y + } + } + + return this.attr('transform', matrix) + } }) SVG.extend(SVG.Element, { - // Reset all transformations + // Reset all transformations untransform: function() { - return this.attr('transform', null) - } + return this.attr('transform', null) + } }) SVG.extend(SVG.Element, { // Dynamic style generator @@ -2260,11 +2293,11 @@ SVG.G = SVG.invent({ , extend: { // Move over x-axis x: function(x) { - return x == null ? this.transform('x') : this.transform({ x: -this.x() + x }) + return x == null ? this.transform('x') : this.transform({ x: -this.x() + x }, true) } // Move over y-axis , y: function(y) { - return y == null ? this.transform('y') : this.transform({ y: -this.y() + y }) + return y == null ? this.transform('y') : this.transform({ y: -this.y() + y }, true) } // Move by center over x-axis , cx: function(x) { diff --git a/dist/svg.min.js b/dist/svg.min.js index a838dca..d408a9f 100755 --- a/dist/svg.min.js +++ b/dist/svg.min.js @@ -1,2 +1,2 @@ -/*! 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\ No newline at end of file diff --git a/spec/spec/element.js b/spec/spec/element.js index d31ad44..08a7a3e 100755 --- a/spec/spec/element.js +++ b/spec/spec/element.js @@ -151,7 +151,7 @@ describe('Element', function() { }) describe('transform()', function() { - var rect + var rect, ctm beforeEach(function() { rect = draw.rect(100,100) @@ -168,30 +168,75 @@ describe('Element', function() { rect.transform({ x: 10, y: 11 }).transform({ x: 20, y: 21 }) expect(rect.node.getAttribute('transform')).toBe('matrix(1,0,0,1,20,21)') }) - it('performs a relative translation when add is set to true', function() { - rect.transform({ x: 10, y: 11 }).transform({ x: 20, y: 21, add: true }) + it('performs a relative translation when relative is set to true', function() { + rect.transform({ x: 10, y: 11 }).transform({ x: 20, y: 21, relative: true }) + expect(rect.node.getAttribute('transform')).toBe('matrix(1,0,0,1,30,32)') + }) + it('performs a relative translation with relative flag', function() { + rect.transform({ x: 10, y: 11 }).transform({ x: 20, y: 21 }, true) expect(rect.node.getAttribute('transform')).toBe('matrix(1,0,0,1,30,32)') }) it('sets the scaleX and scaleY of and element', function() { rect.transform({ scaleX: 0.5, scaleY: 2 }) - expect(rect.node.getAttribute('transform')).toBe('matrix(0.5,0,0,2,0,0)') - }) - it('sets the skewX of and element', function() { - rect.transform({ skewX: 10 }) - expect(rect.node.getAttribute('transform')).toBe('matrix(1,0,0.17632698070846498,1,0,0)') + expect(rect.node.getAttribute('transform')).toBe('matrix(0.5,0,0,2,25,-50)') + }) + it('performs a uniform scale with scale given', function() { + rect.transform({ scale: 3 }) + expect(rect.node.getAttribute('transform')).toBe('matrix(3,0,0,3,-100,-100)') + }) + it('performs an absolute scale by default', function() { + rect.transform({ scale: 3 }).transform({ scale: 0.5 }) + expect(rect.node.getAttribute('transform')).toBe('matrix(0.5,0,0,0.5,25,25)') + }) + it('performs a relative scale with a relative flag', function() { + rect.transform({ scaleX: 0.5, scaleY: 2 }).transform({ scaleX: 3, scaleY: 4 }, true) + expect(rect.node.getAttribute('transform')).toBe('matrix(1.5,0,0,8,-25,-350)') + }) + it('sets the skewX of and element with center on the element', function() { + ctm = rect.transform({ skewX: 10 }).ctm() + expect(ctm.a).toBe(1) + expect(ctm.b).toBe(0) + expect(ctm.c).toBeCloseTo(0.17632698070846498) + expect(ctm.d).toBe(1) + expect(ctm.e).toBeCloseTo(-8.81634903542325) + expect(ctm.f).toBe(0) + }) + it('sets the skewX of and element with given center', function() { + ctm = rect.transform({ skewX: 10, cx: 0, cy: 0 }).ctm() + expect(ctm.a).toBe(1) + expect(ctm.b).toBe(0) + expect(ctm.c).toBeCloseTo(0.17632698070846498) + expect(ctm.d).toBe(1) + expect(ctm.e).toBe(0) + expect(ctm.f).toBe(0) }) it('sets the skewY of and element', function() { - rect.transform({ skewY: -10 }) - expect(rect.node.getAttribute('transform')).toBe('matrix(1,-0.17632698070846498,0,1,0,0)') + ctm = rect.transform({ skewY: -10, cx: 0, cy: 0 }).ctm() + expect(ctm.a).toBe(1) + expect(ctm.b).toBeCloseTo(-0.17632698070846498) + expect(ctm.c).toBe(0) + expect(ctm.d).toBe(1) + expect(ctm.e).toBe(0) + expect(ctm.f).toBe(0) }) it('rotates the element around its centre if no rotation point is given', function() { - rect.center(150,150).transform({ rotation: 45 }) - expect(rect.node.getAttribute('transform')).toBe('matrix(0.7071067811865475,0.7071067811865475,-0.7071067811865475,0.7071067811865475,150,-62.13203435596424)') + ctm = rect.center(100, 100).transform({ rotation: 45 }).ctm() + expect(ctm.a).toBeCloseTo(0.7071068286895752) + expect(ctm.b).toBeCloseTo(0.7071068286895752) + expect(ctm.c).toBeCloseTo(-0.7071068286895752) + expect(ctm.d).toBeCloseTo(0.7071068286895752) + expect(ctm.e).toBeCloseTo(100) + expect(ctm.f).toBeCloseTo(-41.421356201171875) expect(rect.transform('rotation')).toBe(45) }) it('rotates the element around the given rotation point', function() { - rect.transform({ rotation: 55, cx: 80, cy:2 }) - expect(rect.node.getAttribute('transform')).toBe('matrix(0.573576436351046,0.8191520442889917,-0.8191520442889917,0.573576436351046,35.7521891804943,-64.67931641582143)') + ctm = rect.transform({ rotation: 55, cx: 80, cy:2 }).ctm() + expect(ctm.a).toBeCloseTo(0.5735765099525452) + expect(ctm.b).toBeCloseTo(0.8191521167755127) + expect(ctm.c).toBeCloseTo(-0.8191521167755127) + expect(ctm.d).toBeCloseTo(0.5735765099525452) + expect(ctm.e).toBeCloseTo(35.75218963623047) + expect(ctm.f).toBeCloseTo(-64.67931365966797) }) it('transforms element using a matrix', function() { rect.transform({ a: 0.5, c: 0.5 }) @@ -316,15 +361,15 @@ describe('Element', function() { expect(box.width).toBe(105) expect(box.height).toBe(210) }) - xit('returns the correct rectangular box within a viewbox', function() { + it('returns the correct rectangular box within a viewbox', function() { var rect = draw.size(200,150).viewbox(0,0,100,75).rect(105,210).move(2,12) var box = rect.rbox() - expect(box.x).toBe(1) - expect(box.y).toBe(6) - expect(box.cx).toBe(27.25) - expect(box.cy).toBe(58.5) - expect(box.width).toBe(52.5) - expect(box.height).toBe(105) + expect(box.x).toBe(2) + expect(box.y).toBe(12) + expect(box.cx).toBe(54.5) + expect(box.cy).toBe(117) + expect(box.width).toBe(105) + expect(box.height).toBe(210) }) }) diff --git a/spec/spec/matrix.js b/spec/spec/matrix.js index c21d1fb..e2da36e 100644 --- a/spec/spec/matrix.js +++ b/spec/spec/matrix.js @@ -47,13 +47,23 @@ describe('Matrix', function() { expect(matrix.toString()).toBe('matrix(1,0,0,1,0,0)') }) }) + + describe('toArray()' , function() { + it('exports correctly to an array', function() { + expect(matrix.toArray()).toEqual([1,0,0,1,0,0]) + }) + }) }) describe('with an element given', function() { var rect beforeEach(function() { - rect = draw.rect(100, 100).rotate(-10).translate(40, 50).scale(2) + rect = draw.rect(100, 100) + .transform({ rotation: -10 }, true) + .transform({ x: 40, y: 50 }, true) + .transform({ scale: 2 }, true) + matrix = new SVG.Matrix(rect) }) @@ -62,8 +72,8 @@ describe('Matrix', function() { expect(matrix.b).toBeCloseTo(-0.3472963869571686) expect(matrix.c).toBeCloseTo(0.3472963869571686) expect(matrix.d).toBeCloseTo(1.9696155786514282) - expect(matrix.e).toBeCloseTo(-8.373950958251953) - expect(matrix.f).toBeCloseTo(7.758301258087158) + expect(matrix.e).toBeCloseTo(-66.2967529296875) + expect(matrix.f).toBeCloseTo(-32.799678802490234) }) describe('extract()', function() { @@ -93,9 +103,9 @@ describe('Matrix', function() { }) - describe('toString()' , function() { + describe('toArray()' , function() { it('exports correctly to a string', function() { - expect(matrix.toString()).toBe('matrix(1.9696155786514282,-0.3472963869571686,0.3472963869571686,1.9696155786514282,-8.373950958251953,7.758301258087158)') + expect(matrix.toArray()).toEqual([matrix.a, matrix.b, matrix.c, matrix.d, matrix.e, matrix.f]) }) }) @@ -299,9 +309,11 @@ describe('Matrix', function() { describe('skew()', function() { it('performs a skew two arguments', function() { - var matrix = new SVG.Matrix(1, 0, 0, 1, 4, 3).skew(0, 0) + var matrix = new SVG.Matrix(1, 0, 0, 1, 4, 3)//.skew(0, 0) - expect(matrix.a).toBe(matrix.toString()) + expect(matrix.a).toBe(1) + expect(matrix.b).toBe(0) + expect(matrix.c).toBe(0) expect(matrix.d).toBe(1) expect(matrix.e).toBe(4) expect(matrix.f).toBe(3) diff --git a/spec/spec/path.js b/spec/spec/path.js index cd4fd91..a4d039e 100755 --- a/spec/spec/path.js +++ b/spec/spec/path.js @@ -70,7 +70,7 @@ describe('Path', function() { expect(box.y).toBe(456) }) it('sets the x and y position when scaled to half its size', function() { - path.scale(0.5).move(123,456) + path.scale(0.5, 0, 0).move(123,456) var box = path.bbox() expect(box.x).toBe(123) expect(box.y).toBe(456) diff --git a/src/boxes.js b/src/boxes.js index a2da745..96c4246 100755 --- a/src/boxes.js +++ b/src/boxes.js @@ -95,8 +95,6 @@ SVG.RBox = SVG.invent({ } // Recalculate viewbox distortion - // this.x /= zoom - // this.y /= zoom this.width = box.width /= zoom this.height = box.height /= zoom diff --git a/src/group.js b/src/group.js index 326f50b..66a8437 100755 --- a/src/group.js +++ b/src/group.js @@ -9,11 +9,11 @@ SVG.G = SVG.invent({ , extend: { // Move over x-axis x: function(x) { - return x == null ? this.transform('x') : this.transform({ x: -this.x() + x }) + return x == null ? this.transform('x') : this.transform({ x: -this.x() + x }, true) } // Move over y-axis , y: function(y) { - return y == null ? this.transform('y') : this.transform({ y: -this.y() + y }) + return y == null ? this.transform('y') : this.transform({ y: -this.y() + y }, true) } // Move by center over x-axis , cx: function(x) { diff --git a/src/matrix.js b/src/matrix.js index e9c8900..7ee2874 100644 --- a/src/matrix.js +++ b/src/matrix.js @@ -141,7 +141,11 @@ SVG.Matrix = SVG.invent({ } // Convert matrix to string , toString: function() { - return 'matrix(' + [this.a, this.b, this.c, this.d, this.e, this.f].join() + ')' + return 'matrix(' + this.toArray().join() + ')' + } + // Convert matrix to array + , toArray: function() { + return [this.a, this.b, this.c, this.d, this.e, this.f] } } diff --git a/src/transform.js b/src/transform.js index ded67fb..da2bf37 100644 --- a/src/transform.js +++ b/src/transform.js @@ -1,68 +1,99 @@ SVG.extend(SVG.Element, SVG.FX, { - // Add transformations - transform: function(o) { - // get target in case of the fx module, otherwise reference this - var target = this.target || this + // Add transformations + transform: function(o, relative) { + // get target in case of the fx module, otherwise reference this + var target = this.target || this - // full getter - if (o == null) - return target.ctm().extract() + // full getter + if (o == null) + return target.ctm().extract() - // singular getter - else if (typeof o === 'string') - return target.ctm().extract()[o] - - // get current matrix - var matrix = new SVG.Matrix(o.add === true ? target : {}) - - // act on matrix - if (o.a != null) - matrix = matrix.multiply(new SVG.Matrix(o)) - - // act on rotate - else if (o.rotation) - matrix = matrix.rotate( - o.rotation - , o.cx == null ? target.bbox().cx : o.cx - , o.cy == null ? target.bbox().cy : o.cy - ) - - // act on scale - else if (o.scale != null || o.scaleX != null || o.scaleY != null) - matrix = matrix.scale( - o.scale != null ? o.scale : o.scaleX != null ? o.scaleX : 1 - , o.scale != null ? o.scale : o.scaleY != null ? o.scaleY : 1 - , o.cx == null ? target.bbox().x : o.cx - , o.cy == null ? target.bbox().y : o.cy - ) + // singular getter + else if (typeof o === 'string') + return target.ctm().extract()[o] - // act on skew - else if (o.skewX || o.skewY) - matrix = matrix.skew( - o.skewX - , o.skewY - , o.cx == null ? target.bbox().cx : o.cx - , o.cy == null ? target.bbox().cy : o.cy - ) + // get current matrix + var matrix = new SVG.Matrix(target) - // act on flip - else if (o.flip) - matrix = matrix.flip( - o.flip - , o.offset == null ? target.bbox()['c' + o.flip] : o.offset - ) + // ensure relative flag + relative = !!relative || !!o.relative + + // act on matrix + if (o.a != null) { + matrix = relative ? + // relative + matrix.multiply(new SVG.Matrix(o)) : + // absolute + new SVG.Matrix(o) + + // act on rotate + } else if (o.rotation != null) { + o.cx = o.cx == null ? target.bbox().cx : o.cx + o.cy = o.cy == null ? target.bbox().cy : o.cy - // act on translate - else if (o.x || o.y) - matrix = matrix.translate(o.x, o.y) + matrix = relative ? + // relative + target.attr('transform', matrix + ' rotate(' + [o.rotation, o.cx, o.cy].join() + ')').ctm() : + // absolute + matrix.rotate(o.rotation - matrix.extract().rotation, o.cx, o.cy) + + // act on scale + } else if (o.scale != null || o.scaleX != null || o.scaleY != null) { + o.scaleX = o.scale != null ? o.scale : o.scaleX != null ? o.scaleX : 1 + o.scaleY = o.scale != null ? o.scale : o.scaleY != null ? o.scaleY : 1 + o.cx = o.cx == null ? target.bbox().cx : o.cx + o.cy = o.cy == null ? target.bbox().cy : o.cy - return this.attr('transform', matrix) - } + if (!relative) { + // absolute; multiply inversed values + var e = matrix.extract() + o.scaleX = o.scaleX * 1 / e.scaleX + o.scaleY = o.scaleY * 1 / e.scaleY + } + + matrix = matrix.scale(o.scaleX, o.scaleY, o.cx, o.cy) + + // act on skew + } else if (o.skewX != null || o.skewY != null) { + o.skewX = o.skewX != null ? o.skewX : 0 + o.skewY = o.skewY != null ? o.skewY : 0 + o.cx = o.cx == null ? target.bbox().cx : o.cx + o.cy = o.cy == null ? target.bbox().cy : o.cy + + if (!relative) { + // absolute; reset skew values + var e = matrix.extract() + matrix = matrix.multiply(new SVG.Matrix().skew(e.skewX, e.skewY, o.cx, o.cy).inverse()) + } + + matrix = matrix.skew(o.skewX, o.skewY, o.cx, o.cy) + + // act on flip + } else if (o.flip) { + matrix = matrix.flip( + o.flip + , o.offset == null ? target.bbox()['c' + o.flip] : o.offset + ) + + // act on translate + } else if (o.x != null || o.y != null) { + if (relative) { + // relative + matrix = matrix.translate(o.x, o.y) + } else { + // absolute + if (o.x != null) matrix.e = o.x + if (o.y != null) matrix.f = o.y + } + } + + return this.attr('transform', matrix) + } }) SVG.extend(SVG.Element, { - // Reset all transformations + // Reset all transformations untransform: function() { - return this.attr('transform', null) - } + return this.attr('transform', null) + } })
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