[483] | 1 | dojo.provide("dojox.gfx.tests.decompose"); |
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| 2 | dojo.require("dojox.gfx.decompose"); |
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| 3 | |
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| 4 | (function(){ |
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| 5 | var m = dojox.gfx.matrix; |
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| 6 | var eq = function(t, a, b){ t.t(2 * Math.abs(a - b) / ((a < 1 && b < 1) ? 1 : a + b) < 1e-6); }; |
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| 7 | var eqM = function(t, a, b){ |
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| 8 | eq(t, a.xx, b.xx); |
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| 9 | eq(t, a.yy, b.yy); |
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| 10 | eq(t, a.xy, b.xy); |
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| 11 | eq(t, a.yx, b.yx); |
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| 12 | eq(t, a.dx, b.dx); |
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| 13 | eq(t, a.dy, b.dy); |
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| 14 | }; |
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| 15 | var compose = function(r){ |
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| 16 | return m.normalize([ |
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| 17 | m.translate(r.dx, r.dy), |
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| 18 | m.rotate(r.angle2), |
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| 19 | m.scale(r.sx, r.sy), |
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| 20 | m.rotate(r.angle1) |
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| 21 | ]); |
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| 22 | }; |
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| 23 | var reconstruct = function(a){ |
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| 24 | return compose(dojox.gfx.decompose(a)); |
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| 25 | }; |
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| 26 | var compare = function(t, a){ |
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| 27 | var A = m.normalize(a); |
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| 28 | eqM(t, A, reconstruct(A)); |
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| 29 | }; |
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| 30 | tests.register("dojox.gfx.tests.decompose", [ |
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| 31 | function IdentityTest(t){ |
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| 32 | compare(t, m.identity); |
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| 33 | }, |
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| 34 | function FlipXTest(t){ |
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| 35 | compare(t, m.flipX); |
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| 36 | }, |
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| 37 | function FlipYTest(t){ |
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| 38 | compare(t, m.flipY); |
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| 39 | }, |
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| 40 | function FlipXYTest(t){ |
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| 41 | compare(t, m.flipXY); |
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| 42 | }, |
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| 43 | function TranslationTest(t){ |
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| 44 | compare(t, m.translate(45, -15)); |
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| 45 | }, |
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| 46 | function RotationTest(t){ |
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| 47 | compare(t, m.rotateg(35)); |
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| 48 | }, |
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| 49 | function SkewXTest(t){ |
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| 50 | compare(t, m.skewXg(35)); |
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| 51 | }, |
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| 52 | function SkewYTest(t){ |
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| 53 | compare(t, m.skewYg(35)); |
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| 54 | }, |
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| 55 | function ReflectTest(t){ |
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| 56 | compare(t, m.reflect(13, 27)); |
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| 57 | }, |
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| 58 | function ProjectTest(t){ |
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| 59 | compare(t, m.project(13, 27)); |
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| 60 | }, |
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| 61 | function ScaleTest1(t){ |
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| 62 | compare(t, m.scale(3)); |
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| 63 | }, |
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| 64 | function ScaleTest2(t){ |
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| 65 | compare(t, m.scale(3, -1)); |
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| 66 | }, |
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| 67 | function ScaleTest3(t){ |
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| 68 | compare(t, m.scale(-3, 1)); |
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| 69 | }, |
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| 70 | function ScaleTest4(t){ |
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| 71 | compare(t, m.scale(-3, -1)); |
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| 72 | }, |
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| 73 | function ScaleRotateTest1(t){ |
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| 74 | compare(t, [m.scale(3), m.rotateAt(35, 13, 27)]); |
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| 75 | }, |
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| 76 | function ScaleRotateTest2(t){ |
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| 77 | compare(t, [m.scale(3, -1), m.rotateAt(35, 13, 27)]); |
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| 78 | }, |
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| 79 | function ScaleRotateTest3(t){ |
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| 80 | compare(t, [m.scale(-3, 1), m.rotateAt(35, 13, 27)]); |
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| 81 | }, |
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| 82 | function ScaleRotateTest4(t){ |
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| 83 | compare(t, [m.scale(-3, -1), m.rotateAt(35, 13, 27)]); |
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| 84 | }, |
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| 85 | function RotateScaleTest1(t){ |
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| 86 | compare(t, [m.rotateAt(35, 13, 27), m.scale(3)]); |
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| 87 | }, |
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| 88 | function RotateScaleTest2(t){ |
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| 89 | compare(t, [m.rotateAt(35, 13, 27), m.scale(3, -1)]); |
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| 90 | }, |
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| 91 | function RotateScaleTest3(t){ |
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| 92 | compare(t, [m.rotateAt(35, 13, 27), m.scale(-3, 1)]); |
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| 93 | }, |
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| 94 | function RotateScaleTest4(t){ |
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| 95 | compare(t, [m.rotateAt(35, 13, 27), m.scale(-3, -1)]); |
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| 96 | }, |
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| 97 | function RotateScaleRotateTest1(t){ |
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| 98 | compare(t, [m.rotateAt(35, 13, 27), m.scale(3), m.rotateAt(-15, 163, -287)]); |
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| 99 | }, |
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| 100 | function RotateScaleRotateTest2(t){ |
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| 101 | compare(t, [m.rotateAt(35, 13, 27), m.scale(3, -1), m.rotateAt(-15, 163, -287)]); |
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| 102 | }, |
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| 103 | function RotateScaleRotateTest3(t){ |
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| 104 | compare(t, [m.rotateAt(35, 13, 27), m.scale(-3, 1), m.rotateAt(-15, 163, -287)]); |
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| 105 | }, |
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| 106 | function RotateScaleRotateTest4(t){ |
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| 107 | compare(t, [m.rotateAt(35, 13, 27), m.scale(-3, -1), m.rotateAt(-15, 163, -287)]); |
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| 108 | } |
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| 109 | ]); |
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| 110 | })(); |
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