offset-path-interpolation-006.html (7487B)
1 <!DOCTYPE html> 2 <html> 3 <head> 4 <meta charset="utf-8"> 5 <title>offset-distance basic-shape interpolation</title> 6 <link rel="author" title="Daniil Sakhapov" href="mailto:sakhapov@chromium.org"> 7 <link rel="help" href="https://drafts.fxtf.org/motion/#valdef-offset-path-basic-shape"> 8 <meta name="assert" content="offset-path basic shape supports animation."> 9 <script src="/resources/testharness.js"></script> 10 <script src="/resources/testharnessreport.js"></script> 11 <script src="/css/support/interpolation-testcommon.js"></script> 12 </head> 13 <style> 14 .parent { 15 offset-path: ellipse(10% 10% at 50% 50%); 16 } 17 .target { 18 offset-path: circle(10px); 19 } 20 </style> 21 <body> 22 <script> 23 'use strict'; 24 25 test_no_interpolation({ 26 property: 'offset-path', 27 from: "circle(10px)", 28 to: "inset(20px)", 29 }); 30 31 test_no_interpolation({ 32 property: 'offset-path', 33 from: "ellipse(at center)", 34 to: "none", 35 }); 36 37 // Neutral keyframes use the inline style. 38 test_interpolation({ 39 property: 'offset-path', 40 from: neutralKeyframe, 41 to: 'circle(20px)', 42 }, [ 43 {at: -0.3, expect: 'circle(7px)'}, 44 {at: 0, expect: 'circle(10px)'}, 45 {at: 0.3, expect: 'circle(13px)'}, 46 {at: 0.6, expect: 'circle(16px)'}, 47 {at: 1, expect: 'circle(20px)'}, 48 {at: 1.5, expect: 'circle(25px)'}, 49 ]); 50 51 // No interpolation to an ellipse from the initial value 'none'. 52 test_no_interpolation({ 53 property: 'offset-path', 54 from: 'initial', 55 to: 'ellipse()', 56 }); 57 58 // 'inherit' keyframes use the parent style. 59 test_interpolation({ 60 property: 'offset-path', 61 from: 'inherit', 62 to: 'ellipse(40% 50% at 25% 25%)', 63 }, [ 64 {at: -0.3, expect: 'ellipse(1% 0% at 57.5% 57.5%)'}, 65 {at: 0, expect: 'ellipse(10% 10% at 50% 50%)'}, 66 {at: 0.3, expect: 'ellipse(19% 22% at 42.5% 42.5%)'}, 67 {at: 0.6, expect: 'ellipse(28% 34% at 35% 35%)'}, 68 {at: 1, expect: 'ellipse(40% 50% at 25% 25%)'}, 69 {at: 1.5, expect: 'ellipse(55% 70% at 12.5% 12.5%)'}, 70 ]); 71 72 // No interpolation to an inset from the initial value 'none'. 73 test_no_interpolation({ 74 property: 'offset-path', 75 from: 'unset', 76 to: 'inset(10%)', 77 }); 78 79 // No interpolation to a rect from the initial value 'none'. 80 test_no_interpolation({ 81 property: 'offset-path', 82 from: 'none', 83 to: 'rect(10px 10px 10px 10px)', 84 }); 85 86 // Interpolation between shapes. 87 test_interpolation({ 88 property: 'offset-path', 89 from: 'inset(10px)', 90 to: 'inset(20px round 50%)' 91 }, [ 92 {at: -1, expect: 'inset(0px round 0%)'}, 93 {at: 0, expect: 'inset(10px round 0%)'}, 94 {at: 0.125, expect: 'inset(11.25px round 6.25%)'}, 95 {at: 0.875, expect: 'inset(18.75px round 43.75%)'}, 96 {at: 1, expect: 'inset(20px round 50%)'}, 97 {at: 2, expect: 'inset(30px round 100%)'}, 98 ]); 99 100 test_interpolation({ 101 property: 'offset-path', 102 from: 'xywh(5px 5px 150% 150%)', 103 to: 'xywh(10px 10px 100% 100%)' 104 }, [ 105 {at: -1, expect: 'xywh(0px 0px 200% 200%)'}, 106 {at: 0, expect: 'xywh(5px 5px 150% 150%)'}, 107 {at: 0.125, expect: 'xywh(5.63px 5.63px 143.75% 143.75% )'}, 108 {at: 0.875, expect: 'xywh(9.38px 9.38px 106.25% 106.25%)'}, 109 {at: 1, expect: 'xywh(10px 10px 100% 100%)'}, 110 {at: 2, expect: 'xywh(15px 15px 50% 50%)'}, 111 ]); 112 113 test_interpolation({ 114 property: 'offset-path', 115 from: 'rect(10px 100px 50% 10%)', 116 to: 'rect(50px 200px 90% 50%)' 117 }, [ 118 {at: -1, expect: 'rect(-30px 0px 10% -30%)'}, 119 {at: 0, expect: 'rect(10px 100px 50% 10%)'}, 120 {at: 0.125, expect: 'rect(15px 112.5px 55% 15%)'}, 121 {at: 0.875, expect: 'rect(45px 187.5px 85% 45%)'}, 122 {at: 1, expect: 'rect(50px 200px 90% 50%)'}, 123 {at: 2, expect: 'rect(90px 300px 130% 90%)'}, 124 ]); 125 126 test_interpolation({ 127 property: 'offset-path', 128 from: 'rect(auto auto auto auto)', 129 to: 'rect(80% 20% 20% 80%)' 130 }, [ 131 {at: -1, expect: 'inset(-80%)'}, 132 {at: 0, expect: 'inset(0%)'}, 133 {at: 0.125, expect: 'inset(10%)'}, 134 {at: 0.875, expect: 'inset(70%)'}, 135 {at: 1, expect: 'inset(80%)'}, 136 {at: 2, expect: 'inset(160%)'}, 137 ]); 138 139 // All <basic-shape-rect>s compute to the equivalent inset() function, so 140 // they are interpolatable. 141 // https://drafts.csswg.org/css-shapes-1/#basic-shape-computed-values 142 // https://github.com/w3c/csswg-drafts/issues/9053 143 test_interpolation({ 144 property: 'offset-path', 145 // The equivalent function is 146 // "inset(5px calc(100% - 210px) calc(100% - 105px) 10px)". 147 from: 'xywh(10px 10px 200px 100px)', 148 to: 'inset(50px)' 149 }, [ 150 {at: -1, expect: 'inset(-30px calc(200% - 470px) calc(200% - 270px) -30px)'}, 151 {at: 0, expect: 'inset(10px calc(100% - 210px) calc(100% - 110px) 10px)'}, 152 {at: 0.125, expect: 'inset(15px calc(87.5% - 177.5px) calc(87.5% - 90px) 15px)'}, 153 {at: 0.875, expect: 'inset(45px calc(12.5% + 17.5px) calc(12.5% + 30px) 45px)'}, 154 {at: 1, expect: 'inset(50px calc(0% + 50px) calc(0% + 50px) 50px)'}, 155 {at: 2, expect: 'inset(90px calc(-100% + 310px) calc(-100% + 210px) 90px)'}, 156 ]); 157 158 test_interpolation({ 159 property: 'offset-path', 160 from: 'inset(10px)', 161 // inset(50px calc(100% - 70px) 20% 20%). 162 to: 'rect(50px 70px 80% 20%)', 163 }, [ 164 {at: -1, expect: 'inset(-30px calc(-100% + 90px) calc(-20% + 20px) calc(-20% + 20px)'}, 165 {at: 0, expect: 'inset(10px calc(0% + 10px) calc(0% + 10px))'}, 166 {at: 0.125, expect: 'inset(15px 12.5% calc(2.5% + 8.75px) calc(2.5% + 8.75px))'}, 167 {at: 0.875, expect: 'inset(45px calc(87.5% - 60px) calc(17.5% + 1.25px) calc(17.5% + 1.25px))'}, 168 {at: 1, expect: 'inset(50px calc(100% - 70px) 20% 20%)'}, 169 {at: 2, expect: 'inset(90px calc(200% - 150px) calc(40% - 10px) calc(40% - 10px))'}, 170 ]); 171 172 test_interpolation({ 173 property: 'clip-path', 174 // inset(10% calc(100% - 100px) 50% 0px round 20px). 175 from: 'xywh(0px 10% 100px 40% round 20px)', 176 // inset(20% 50% calc(100% - 200px) 20px). 177 to: 'rect(20% 50% 200px 20px)', 178 }, [ 179 {at: -1, expect: 'inset(0% calc(150% - 200px) calc(0% + 200px) -20px round 40px'}, 180 {at: 0, expect: 'inset(10% calc(100% - 100px) 50% 0px round 20px)'}, 181 {at: 0.125, expect: 'inset(11.25% calc(93.75% - 87.5px) calc(56.25% - 25px) 2.5px round 17.5px)'}, 182 {at: 0.875, expect: 'inset(18.75% calc(56.25% - 12.5px) calc(93.75% - 175px) 17.5px round 2.5px)'}, 183 {at: 1, expect: 'inset(20% 50% calc(100% - 200px) 20px)'}, 184 {at: 2, expect: 'inset(30% calc(0% + 100px) calc(150% - 400px) 40px)'}, 185 ]); 186 187 // No interpolation between different radius keywords. 188 test_no_interpolation({ 189 property: 'offset-path', 190 from: 'circle(farthest-side)', 191 to: 'circle(closest-side)' 192 }); 193 test_no_interpolation({ 194 property: 'offset-path', 195 from: 'ellipse(closest-side farthest-side)', 196 to: 'ellipse(closest-side closest-side)' 197 }); 198 </script> 199 </body> 200 </html>