describe('Matrix', function() {
- var matrix
-
- describe('initialization', function() {
-
- describe('without a source', function() {
-
- beforeEach(function() {
- matrix = new SVG.Matrix
- })
-
- it('creates a new matrix with default values', function() {
- expect(matrix.a).toBe(1)
- expect(matrix.b).toBe(0)
- expect(matrix.c).toBe(0)
- expect(matrix.d).toBe(1)
- expect(matrix.e).toBe(0)
- expect(matrix.f).toBe(0)
- })
-
- describe('extract()', function() {
- var extract
-
- beforeEach(function() {
- extract = matrix.extract()
- })
-
- it('parses translation values', function() {
- expect(extract.x).toBe(0)
- expect(extract.y).toBe(0)
- })
- it('parses skew values', function() {
- expect(extract.skewX).toBe(0)
- expect(extract.skewY).toBe(0)
- })
- it('parses scale values', function() {
- expect(extract.scaleX).toBe(1)
- expect(extract.scaleY).toBe(1)
- })
- it('parses rotatoin value', function() {
- expect(extract.rotation).toBe(0)
- })
- })
- })
-
- describe('with an element given', function() {
- var rect
-
- beforeEach(function() {
- rect = draw.rect(100, 100).rotate(-10).translate(40, 50).scale(2)
- matrix = new SVG.Matrix(rect)
- })
-
- it('parses the current transform matrix form an element', function() {
- expect(matrix.a).toBe(1.9696155786514282)
- expect(matrix.b).toBe(-0.3472963869571686)
- expect(matrix.c).toBe(0.3472963869571686)
- expect(matrix.d).toBe(1.9696155786514282)
- expect(matrix.e).toBe(-8.373950958251953)
- expect(matrix.f).toBe(7.758301258087158)
- })
-
- describe('extract()', function() {
-
- it('parses translation values', function() {
- var extract = new SVG.Matrix(draw.rect(100, 100).translate(40, 50)).extract()
- expect(extract.x).toBe(40)
- expect(extract.y).toBe(50)
- })
- it('parses skewX value', function() {
- var extract = new SVG.Matrix(draw.rect(100, 100).skew(25, 0)).extract()
- expect(approximately(extract.skewX, 0.01)).toBe(25)
- })
- it('parses skewX value', function() {
- var extract = new SVG.Matrix(draw.rect(100, 100).skew(0, 20)).extract()
- expect(approximately(extract.skewY, 0.01)).toBe(20)
- })
- it('parses scale values', function() {
- var extract = new SVG.Matrix(draw.rect(100, 100).scale(2, 3)).extract()
- expect(extract.scaleX).toBe(2)
- expect(extract.scaleY).toBe(3)
- })
- it('parses rotatoin value', function() {
- var extract = new SVG.Matrix(draw.rect(100, 100).rotate(-100)).extract()
- expect(approximately(extract.rotation, 0.01)).toBe(-100)
- })
-
- })
-
- })
-
- describe('with a string given', function() {
- it('parses the string value correctly', function() {
- var matrix = new SVG.Matrix('2, 0, 0, 2, 100, 50')
-
- expect(matrix.a).toBe(2)
- expect(matrix.b).toBe(0)
- expect(matrix.c).toBe(0)
- expect(matrix.d).toBe(2)
- expect(matrix.e).toBe(100)
- expect(matrix.f).toBe(50)
- })
- })
-
- })
-
- describe('morph()', function() {
- it('stores a given matrix for morphing', function() {
- var matrix1 = new SVG.Matrix(2, 0, 0, 5, 0, 0)
- , matrix2 = new SVG.Matrix(1, 0, 0, 1, 4, 3)
-
- matrix1.morph(matrix2)
-
- expect(matrix1.destination).toEqual(matrix2)
- })
- it('stores a clone, not the given matrix itself', function() {
- var matrix1 = new SVG.Matrix(2, 0, 0, 5, 0, 0)
- , matrix2 = new SVG.Matrix(1, 0, 0, 1, 4, 3)
-
- matrix1.morph(matrix2)
-
- expect(matrix1.destination).not.toBe(matrix2)
- })
- })
-
- describe('at()', function() {
- it('returns a morphed array at a given position', function() {
- var matrix1 = new SVG.Matrix(2, 0, 0, 5, 0, 0)
- , matrix2 = new SVG.Matrix(1, 0, 0, 1, 4, 3)
- , matrix3 = matrix1.morph(matrix2).at(0.5)
-
- expect(matrix1.toString()).toBe('matrix(2,0,0,5,0,0)')
- expect(matrix2.toString()).toBe('matrix(1,0,0,1,4,3)')
- expect(matrix3.toString()).toBe('matrix(1.5,0,0,3,2,1.5)')
- })
- })
-
- describe('multiply()', function() {
- it('multiplies two matices', function() {
- var matrix1 = new SVG.Matrix(2, 0, 0, 5, 0, 0)
- , matrix2 = new SVG.Matrix(1, 0, 0, 1, 4, 3)
- , matrix3 = matrix1.multiply(matrix2)
-
- expect(matrix1.toString()).toBe('matrix(2,0,0,5,0,0)')
- expect(matrix2.toString()).toBe('matrix(1,0,0,1,4,3)')
- expect(matrix3.toString()).toBe('matrix(2,0,0,5,8,15)')
- })
- it('accepts matrices in any form', function() {
- var matrix1 = new SVG.Matrix(2, 0, 0, 5, 0, 0)
- , matrix2 = matrix1.multiply('1,0,0,1,4,3')
-
- expect(matrix1.toString()).toBe('matrix(2,0,0,5,0,0)')
- expect(matrix2.toString()).toBe('matrix(2,0,0,5,8,15)')
- })
- })
-
- describe('add()', function() {
- it('adds two matices', function() {
- var matrix1 = new SVG.Matrix(2, 0, 0, 5, 0, 0)
- , matrix2 = new SVG.Matrix(1.1, 0, 0, 1.5, 4, 3)
- , matrix3 = matrix1.add(matrix2)
-
- expect(matrix1.toString()).toBe('matrix(2,0,0,5,0,0)')
- expect(matrix2.toString()).toBe('matrix(1.1,0,0,1.5,4,3)')
- expect(matrix3.toString()).toBe('matrix(2.1,0,0,5.5,4,3)')
- })
- it('accepts two matrices in any form', function() {
- var matrix1 = new SVG.Matrix(2, 0, 0, 5, 0, 0)
- , matrix2 = matrix1.add('1.1,0,0,1.5,4,3')
-
- expect(matrix1.toString()).toBe('matrix(2,0,0,5,0,0)')
- expect(matrix2.toString()).toBe('matrix(2.1,0,0,5.5,4,3)')
- })
- })
-
- describe('inverse()', function() {
- it('inverses matrix', function() {
- var matrix1 = new SVG.Matrix(2, 0, 0, 5, 4, 3)
- , matrix2 = matrix1.inverse()
-
- expect(matrix1.toString()).toBe('matrix(2,0,0,5,4,3)')
- expect(matrix2.toString()).toBe('matrix(0.5,0,0,0.2,-2,-0.6)')
- })
- })
-
- describe('translate()', function() {
- it('translates matrix by given x and y values', function() {
- var matrix = new SVG.Matrix(1, 0, 0, 1, 4, 3).translate(10, 12.5)
-
- expect(matrix.e).toBe(14)
- expect(matrix.f).toBe(15.5)
- })
- })
-
- describe('scale()', function() {
- it('performs a uniformal scale with one value', function() {
- var matrix = new SVG.Matrix(1, 0, 0, 1, 4, 3).scale(3)
-
- expect(matrix.a).toBe(3)
- expect(matrix.d).toBe(3)
- expect(matrix.e).toBe(4)
- expect(matrix.f).toBe(3)
- })
- it('performs a non-uniformal scale with two values', function() {
- var matrix = new SVG.Matrix(1, 0, 0, 1, 4, 3).scale(2.5, 3.5)
-
- expect(matrix.a).toBe(2.5)
- expect(matrix.d).toBe(3.5)
- expect(matrix.e).toBe(4)
- expect(matrix.f).toBe(3)
- })
- it('performs a uniformal scale at a given center point with three values', function() {
- var matrix = new SVG.Matrix(1, 0, 0, 1, 4, 3).scale(3, 150, 100)
-
- expect(matrix.a).toBe(3)
- expect(matrix.d).toBe(3)
- expect(matrix.e).toBe(4)
- expect(matrix.f).toBe(3)
- })
- })
-
- describe('rotate()', function() {
-
- })
-
- describe('flip()', function() {
-
- })
-
- describe('skew()', function() {
-
- })
-
- describe('skew()', function() {
-
- })
-
- describe('native()', function() {
- it('returns the node reference', function() {
- expect(new SVG.Matrix().native() instanceof SVGMatrix).toBeTruthy()
- })
- })
-
- describe('toString()', function() {
-
- })
-
-})
-
-
-
-
-
-
-
+ var matrix
+
+ describe('initialization', function() {
+
+ describe('without a source', function() {
+
+ beforeEach(function() {
+ matrix = new SVG.Matrix
+ })
+
+ it('creates a new matrix with default values', function() {
+ expect(matrix.a).toBe(1)
+ expect(matrix.b).toBe(0)
+ expect(matrix.c).toBe(0)
+ expect(matrix.d).toBe(1)
+ expect(matrix.e).toBe(0)
+ expect(matrix.f).toBe(0)
+ })
+
+ describe('extract()', function() {
+ var extract
+
+ beforeEach(function() {
+ extract = matrix.extract()
+ })
+
+ it('parses translation values', function() {
+ expect(extract.x).toBe(0)
+ expect(extract.y).toBe(0)
+ })
+ it('parses skew values', function() {
+ expect(extract.skewX).toBe(0)
+ expect(extract.skewY).toBe(0)
+ })
+ it('parses scale values', function() {
+ expect(extract.scaleX).toBe(1)
+ expect(extract.scaleY).toBe(1)
+ })
+ it('parses rotatoin value', function() {
+ expect(extract.rotation).toBe(0)
+ })
+ })
+
+ describe('toString()' , function() {
+ it('exports correctly to a string', function() {
+ expect(matrix.toString()).toBe('matrix(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)
+ matrix = new SVG.Matrix(rect)
+ })
+
+ it('parses the current transform matrix form an element', function() {
+ expect(matrix.a).toBe(1.9696155786514282)
+ expect(matrix.b).toBe(-0.3472963869571686)
+ expect(matrix.c).toBe(0.3472963869571686)
+ expect(matrix.d).toBe(1.9696155786514282)
+ expect(matrix.e).toBe(-8.373950958251953)
+ expect(matrix.f).toBe(7.758301258087158)
+ })
+
+ describe('extract()', function() {
+
+ it('parses translation values', function() {
+ var extract = new SVG.Matrix(draw.rect(100, 100).translate(40, 50)).extract()
+ expect(extract.x).toBe(40)
+ expect(extract.y).toBe(50)
+ })
+ it('parses skewX value', function() {
+ var extract = new SVG.Matrix(draw.rect(100, 100).skew(25, 0)).extract()
+ expect(approximately(extract.skewX, 0.01)).toBe(25)
+ })
+ it('parses skewX value', function() {
+ var extract = new SVG.Matrix(draw.rect(100, 100).skew(0, 20)).extract()
+ expect(approximately(extract.skewY, 0.01)).toBe(20)
+ })
+ it('parses scale values', function() {
+ var extract = new SVG.Matrix(draw.rect(100, 100).scale(2, 3)).extract()
+ expect(extract.scaleX).toBe(2)
+ expect(extract.scaleY).toBe(3)
+ })
+ it('parses rotatoin value', function() {
+ var extract = new SVG.Matrix(draw.rect(100, 100).rotate(-100)).extract()
+ expect(approximately(extract.rotation, 0.01)).toBe(-100)
+ })
+
+ })
+
+ describe('toString()' , 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)')
+ })
+ })
+
+ })
+
+ describe('with a string given', function() {
+ it('parses the string value correctly', function() {
+ var matrix = new SVG.Matrix('2, 0, 0, 2, 100, 50')
+
+ expect(matrix.a).toBe(2)
+ expect(matrix.b).toBe(0)
+ expect(matrix.c).toBe(0)
+ expect(matrix.d).toBe(2)
+ expect(matrix.e).toBe(100)
+ expect(matrix.f).toBe(50)
+ })
+ })
+
+ })
+
+ describe('morph()', function() {
+ it('stores a given matrix for morphing', function() {
+ var matrix1 = new SVG.Matrix(2, 0, 0, 5, 0, 0)
+ , matrix2 = new SVG.Matrix(1, 0, 0, 1, 4, 3)
+
+ matrix1.morph(matrix2)
+
+ expect(matrix1.destination).toEqual(matrix2)
+ })
+ it('stores a clone, not the given matrix itself', function() {
+ var matrix1 = new SVG.Matrix(2, 0, 0, 5, 0, 0)
+ , matrix2 = new SVG.Matrix(1, 0, 0, 1, 4, 3)
+
+ matrix1.morph(matrix2)
+
+ expect(matrix1.destination).not.toBe(matrix2)
+ })
+ })
+
+ describe('at()', function() {
+ it('returns a morphed array at a given position', function() {
+ var matrix1 = new SVG.Matrix(2, 0, 0, 5, 0, 0)
+ , matrix2 = new SVG.Matrix(1, 0, 0, 1, 4, 3)
+ , matrix3 = matrix1.morph(matrix2).at(0.5)
+
+ expect(matrix1.toString()).toBe('matrix(2,0,0,5,0,0)')
+ expect(matrix2.toString()).toBe('matrix(1,0,0,1,4,3)')
+ expect(matrix3.toString()).toBe('matrix(1.5,0,0,3,2,1.5)')
+ })
+ })
+
+ describe('multiply()', function() {
+ it('multiplies two matices', function() {
+ var matrix1 = new SVG.Matrix(2, 0, 0, 5, 0, 0)
+ , matrix2 = new SVG.Matrix(1, 0, 0, 1, 4, 3)
+ , matrix3 = matrix1.multiply(matrix2)
+
+ expect(matrix1.toString()).toBe('matrix(2,0,0,5,0,0)')
+ expect(matrix2.toString()).toBe('matrix(1,0,0,1,4,3)')
+ expect(matrix3.toString()).toBe('matrix(2,0,0,5,8,15)')
+ })
+ it('accepts matrices in any form', function() {
+ var matrix1 = new SVG.Matrix(2, 0, 0, 5, 0, 0)
+ , matrix2 = matrix1.multiply('1,0,0,1,4,3')
+
+ expect(matrix1.toString()).toBe('matrix(2,0,0,5,0,0)')
+ expect(matrix2.toString()).toBe('matrix(2,0,0,5,8,15)')
+ })
+ })
+
+ describe('add()', function() {
+ it('adds two matices', function() {
+ var matrix1 = new SVG.Matrix(2, 0, 0, 5, 0, 0)
+ , matrix2 = new SVG.Matrix(1.1, 0, 0, 1.5, 4, 3)
+ , matrix3 = matrix1.add(matrix2)
+
+ expect(matrix1.toString()).toBe('matrix(2,0,0,5,0,0)')
+ expect(matrix2.toString()).toBe('matrix(1.1,0,0,1.5,4,3)')
+ expect(matrix3.toString()).toBe('matrix(2.1,0,0,5.5,4,3)')
+ })
+ it('accepts two matrices in any form', function() {
+ var matrix1 = new SVG.Matrix(2, 0, 0, 5, 0, 0)
+ , matrix2 = matrix1.add('1.1,0,0,1.5,4,3')
+
+ expect(matrix1.toString()).toBe('matrix(2,0,0,5,0,0)')
+ expect(matrix2.toString()).toBe('matrix(2.1,0,0,5.5,4,3)')
+ })
+ })
+
+ describe('inverse()', function() {
+ it('inverses matrix', function() {
+ var matrix1 = new SVG.Matrix(2, 0, 0, 5, 4, 3)
+ , matrix2 = matrix1.inverse()
+
+ expect(matrix1.toString()).toBe('matrix(2,0,0,5,4,3)')
+ expect(matrix2.toString()).toBe('matrix(0.5,0,0,0.2,-2,-0.6)')
+ })
+ })
+
+ describe('translate()', function() {
+ it('translates matrix by given x and y values', function() {
+ var matrix = new SVG.Matrix(1, 0, 0, 1, 4, 3).translate(10, 12.5)
+
+ expect(matrix.e).toBe(14)
+ expect(matrix.f).toBe(15.5)
+ })
+ })
+
+ describe('scale()', function() {
+ it('performs a uniformal scale with one value', function() {
+ var matrix = new SVG.Matrix(1, 0, 0, 1, 4, 3).scale(3)
+
+ expect(matrix.a).toBe(3)
+ expect(matrix.d).toBe(3)
+ expect(matrix.e).toBe(4)
+ expect(matrix.f).toBe(3)
+ })
+ it('performs a non-uniformal scale with two values', function() {
+ var matrix = new SVG.Matrix(1, 0, 0, 1, 4, 3).scale(2.5, 3.5)
+
+ expect(matrix.a).toBe(2.5)
+ expect(matrix.d).toBe(3.5)
+ expect(matrix.e).toBe(4)
+ expect(matrix.f).toBe(3)
+ })
+ it('performs a uniformal scale at a given center point with three values', function() {
+ var matrix = new SVG.Matrix(1, 0, 0, 1, 4, 3).scale(3, 150, 100)
+
+ expect(matrix.a).toBe(3)
+ expect(matrix.d).toBe(3)
+ expect(matrix.e).toBe(-2)
+ expect(matrix.f).toBe(-197)
+ })
+ it('performs a non-uniformal scale at a given center point with our values', function() {
+ var matrix = new SVG.Matrix(1, 0, 0, 1, 4, 3).scale(3, 2, 150, 100)
+
+ expect(matrix.a).toBe(3)
+ expect(matrix.d).toBe(2)
+ expect(matrix.e).toBe(-296)
+ expect(matrix.f).toBe(-97)
+ })
+ })
+
+ describe('rotate()', function() {
+
+ })
+
+ describe('flip()', function() {
+
+ })
+
+ describe('skew()', function() {
+
+ })
+
+ describe('skew()', function() {
+
+ })
+
+ describe('native()', function() {
+ it('returns the node reference', function() {
+ expect(new SVG.Matrix().native() instanceof SVGMatrix).toBeTruthy()
+ })
+ })
+
+})
\ No newline at end of file
projects / svg.js.git / commitdiff