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| 1 | +<!DOCTYPE html> |
| 2 | +<meta charset="UTF-8"> |
| 3 | +<title>stroke-dasharray composition</title> |
| 4 | +<link rel="help" href="https://svgwg.org/svg2-draft/painting.html#StrokeDashing"> |
| 5 | +<script src="/resources/testharness.js"></script> |
| 6 | +<script src="/resources/testharnessreport.js"></script> |
| 7 | +<script src="/css/support/interpolation-testcommon.js"></script> |
| 8 | +<style> |
| 9 | +.parent { |
| 10 | + stroke-dasharray: 30 10; |
| 11 | +} |
| 12 | +.target { |
| 13 | + font-size: 16px; |
| 14 | +} |
| 15 | +</style> |
| 16 | +<body> |
| 17 | +<template id="target-template"> |
| 18 | + <svg height="400" width="5"> |
| 19 | + <path d="M0,0 l0,400" class="target"> |
| 20 | + </svg> |
| 21 | +</template> |
| 22 | +<script> |
| 23 | +// Basic case |
| 24 | +test_composition({ |
| 25 | + property: 'stroke-dasharray', |
| 26 | + underlying: '5 5', |
| 27 | + addFrom: '0 5', |
| 28 | + addTo: '10 15', |
| 29 | +}, [ |
| 30 | + {at: -0.6, expect: ' 0 4'}, // Values must be non-negative. |
| 31 | + {at: -0.4, expect: ' 1 6'}, |
| 32 | + {at: -0.2, expect: ' 3 8'}, |
| 33 | + {at: 0, expect: ' 5 10'}, |
| 34 | + {at: 0.2, expect: ' 7 12'}, |
| 35 | + {at: 0.4, expect: ' 9 14'}, |
| 36 | + {at: 0.6, expect: '11 16'}, |
| 37 | + {at: 0.8, expect: '13 18'}, |
| 38 | + {at: 1, expect: '15 20'}, |
| 39 | + {at: 1.2, expect: '17 22'}, |
| 40 | +]); |
| 41 | + |
| 42 | +test_composition({ |
| 43 | + property: 'stroke-dasharray', |
| 44 | + underlying: '10 10', |
| 45 | + replaceFrom: '5 10', |
| 46 | + addTo: '5 10', |
| 47 | +}, [ |
| 48 | + {at: -0.6, expect: ' 0 4'}, // Values must be non-negative. |
| 49 | + {at: -0.4, expect: ' 1 6'}, |
| 50 | + {at: -0.2, expect: ' 3 8'}, |
| 51 | + {at: 0, expect: ' 5 10'}, |
| 52 | + {at: 0.2, expect: ' 7 12'}, |
| 53 | + {at: 0.4, expect: ' 9 14'}, |
| 54 | + {at: 0.6, expect: '11 16'}, |
| 55 | + {at: 0.8, expect: '13 18'}, |
| 56 | + {at: 1, expect: '15 20'}, |
| 57 | + {at: 1.2, expect: '17 22'}, |
| 58 | +]); |
| 59 | + |
| 60 | +test_composition({ |
| 61 | + property: 'stroke-dasharray', |
| 62 | + underlying: '10 30', |
| 63 | + addFrom: 'none', |
| 64 | + addTo: '10 10', |
| 65 | +}, [ |
| 66 | + {at: -1.5, expect: 'none'}, |
| 67 | + {at: -0.5, expect: 'none'}, |
| 68 | + {at: 0, expect: 'none'}, |
| 69 | + {at: 0.4, expect: 'none'}, |
| 70 | + {at: 0.5, expect: '20 40'}, |
| 71 | + {at: 0.6, expect: '20 40'}, |
| 72 | + {at: 1, expect: '20 40'}, |
| 73 | + {at: 1.5, expect: '20 40'}, |
| 74 | +]); |
| 75 | + |
| 76 | +// Differing list lengths |
| 77 | +// Lists are repeated until length is equal to lowest common multiple of lengths. |
| 78 | +test_composition({ |
| 79 | + property: 'stroke-dasharray', |
| 80 | + underlying: '0 5', |
| 81 | + addFrom: '5', |
| 82 | + replaceTo: '15 20 25', |
| 83 | +}, [ |
| 84 | + {at: -0.2, expect: ' 3 8 1 9 2 7'}, |
| 85 | + {at: 0, expect: ' 5 10 5 10 5 10'}, |
| 86 | + {at: 0.2, expect: ' 7 12 9 11 8 13'}, |
| 87 | + {at: 0.4, expect: ' 9 14 13 12 11 16'}, |
| 88 | + {at: 0.6, expect: '11 16 17 13 14 19'}, |
| 89 | + {at: 0.8, expect: '13 18 21 14 17 22'}, |
| 90 | + {at: 1, expect: '15 20 25 15 20 25'}, |
| 91 | + {at: 1.2, expect: '17 22 29 16 23 28'}, |
| 92 | +]); |
| 93 | + |
| 94 | +// Lowest common multiple of list lengths not equal to multiple of list lengths |
| 95 | +test_composition({ |
| 96 | + property: 'stroke-dasharray', |
| 97 | + underlying: '10 30', |
| 98 | + replaceFrom: '5 10 15 20', |
| 99 | + addTo: '15 0 25 10 35 20', |
| 100 | +}, [ |
| 101 | + {at: -0.2, expect: ' 1 6 11 16 0 2 13 18 0 4 9 14'}, // Values must be non-negative. |
| 102 | + {at: 0, expect: ' 5 10 15 20 5 10 15 20 5 10 15 20'}, |
| 103 | + {at: 0.2, expect: ' 9 14 19 24 13 18 17 22 11 16 21 26'}, |
| 104 | + {at: 0.4, expect: '13 18 23 28 21 26 19 24 17 22 27 32'}, |
| 105 | + {at: 0.6, expect: '17 22 27 32 29 34 21 26 23 28 33 38'}, |
| 106 | + {at: 0.8, expect: '21 26 31 36 37 42 23 28 29 34 39 44'}, |
| 107 | + {at: 1, expect: '25 30 35 40 45 50 25 30 35 40 45 50'}, |
| 108 | + {at: 1.2, expect: '29 34 39 44 53 58 27 32 41 46 51 56'}, |
| 109 | +]); |
| 110 | + |
| 111 | +// One list has odd length |
| 112 | +test_composition({ |
| 113 | + property: 'stroke-dasharray', |
| 114 | + underlying: '10 20', |
| 115 | + replaceFrom: '5 10 15', |
| 116 | + addTo: '10 5 20 15', |
| 117 | +}, [ |
| 118 | + {at: -0.2, expect: ' 2 7 12 0 8 13 0 5 14 1 6 11'}, // Values must be non-negative. |
| 119 | + {at: 0, expect: ' 5 10 15 5 10 15 5 10 15 5 10 15'}, |
| 120 | + {at: 0.2, expect: ' 8 13 18 11 12 17 10 15 16 9 14 19'}, |
| 121 | + {at: 0.4, expect: '11 16 21 17 14 19 15 20 17 13 18 23'}, |
| 122 | + {at: 0.6, expect: '14 19 24 23 16 21 20 25 18 17 22 27'}, |
| 123 | + {at: 0.8, expect: '17 22 27 29 18 23 25 30 19 21 26 31'}, |
| 124 | + {at: 1, expect: '20 25 30 35 20 25 30 35 20 25 30 35'}, |
| 125 | + {at: 1.2, expect: '23 28 33 41 22 27 35 40 21 29 34 39'}, |
| 126 | +]); |
| 127 | + |
| 128 | +// Both lists have odd length |
| 129 | +test_composition({ |
| 130 | + property: 'stroke-dasharray', |
| 131 | + underlying: '5', |
| 132 | + addFrom: '0 5 10', |
| 133 | + addTo: '15 20 25 30 35', |
| 134 | +}, [ |
| 135 | + {at: -0.2, expect: ' 2 7 12 0 4 14 1 6 11 0 8 13 0 5 10'}, // Values must be non-negative. |
| 136 | + {at: 0, expect: ' 5 10 15 5 10 15 5 10 15 5 10 15 5 10 15'}, |
| 137 | + {at: 0.2, expect: ' 8 13 18 11 16 16 9 14 19 12 12 17 10 15 20'}, |
| 138 | + {at: 0.4, expect: '11 16 21 17 22 17 13 18 23 19 14 19 15 20 25'}, |
| 139 | + {at: 0.6, expect: '14 19 24 23 28 18 17 22 27 26 16 21 20 25 30'}, |
| 140 | + {at: 0.8, expect: '17 22 27 29 34 19 21 26 31 33 18 23 25 30 35'}, |
| 141 | + {at: 1, expect: '20 25 30 35 40 20 25 30 35 40 20 25 30 35 40'}, |
| 142 | + {at: 1.2, expect: '23 28 33 41 46 21 29 34 39 47 22 27 35 40 45'}, |
| 143 | +]); |
| 144 | + |
| 145 | +// Mixed units |
| 146 | +test_composition({ |
| 147 | + property: 'stroke-dasharray', |
| 148 | + underlying: '1em', |
| 149 | + addFrom: '9em 14px', |
| 150 | + addTo: '304px 1.5em', |
| 151 | +}, [ |
| 152 | + {at: -0.2, expect: '8em 28px'}, |
| 153 | + {at: 0, expect: '10em 30px'}, |
| 154 | + {at: 0.2, expect: '12em 32px'}, |
| 155 | + {at: 0.4, expect: '14em 34px'}, |
| 156 | + {at: 0.6, expect: '16em 36px'}, |
| 157 | + {at: 0.8, expect: '18em 38px'}, |
| 158 | + {at: 1, expect: '20em 40px'}, |
| 159 | + {at: 1.2, expect: '22em 42px'}, |
| 160 | +]); |
| 161 | +</script> |
| 162 | +</body> |
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