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98 lines
3.0 KiB
HTML
98 lines
3.0 KiB
HTML
<?xml version="1.0" encoding="UTF-8"?>
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<!--
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Any copyright is dedicated to the Public Domain.
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http://creativecommons.org/publicdomain/zero/1.0/
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-->
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<!--
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This test checks that canvas elements behave correctly as flex items.
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-->
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<style>
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div.flexbox {
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width: 200px;
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background: lightgreen;
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display: flex;
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justify-content: space-between;
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margin-bottom: 5px;
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line-height: 8px;
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}
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canvas {
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min-width: 0;
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width: 10px;
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height: 20px;
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border: 1px dotted green;
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}
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</style>
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</head>
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<body>
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<!-- A) One flex item -->
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<div class="flexbox">
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<canvas/>
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</div>
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<!-- B) Text and a canvas (ensure they aren't merged into one flex item) -->
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<div class="flexbox">
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some words <canvas/>
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</div>
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<!-- C) Two canvas elements, getting stretched by different ratios, from 0.
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Space-to-be-distributed = 200px - borders = 200 - (1 + 1) - (1 + 1)
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= 196px
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1st element gets 5/8 of space: 5/8 * 196px = 122.5px
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1st element gets 3/8 of space: 3/8 * 196px = 73.5px
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-->
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<div class="flexbox">
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<canvas style="flex: 5"/>
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<canvas style="flex: 3"/>
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</div>
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<!-- D) Two canvas elements, getting stretched by different ratios, from
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different flex bases.
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Space-to-be-distributed = 200px - (33 + 1 + 1) - (13 + 1 + 1) = 150px
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1st element gets 2/5 of space: 33px + 2/5 * 150px = 93px
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1st element gets 3/5 of space: 13px + 3/5 * 150px = 103px
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-->
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<div class="flexbox">
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<canvas style="width: 33px; flex: 2 auto"/>
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<canvas style="width: 13px; flex: 3 auto"/>
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</div>
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<!-- E) Two flex items, getting shrunk by different amounts.
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Space-to-be-distributed = 200px - (150 + 1 + 1) - (100 + 1 + 1) = -54px
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First element scaled flex ratio = 4 * 150 = 600
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Second element scaled flex ratio = 3 * 100 = 300
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* So, total flexibility is 600 + 300 = 900
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1st element gets 600/900 of space: 150 + 600/900 * -54 = 114px
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2nd element gets 300/900 of space: 100 + 300/900 * -54 = 82px
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-->
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<div class="flexbox">
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<canvas style="width: 150px; flex: 1 4 auto"/>
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<canvas style="width: 100px; flex: 1 3 auto"/>
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</div>
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<!-- F) Making sure we don't grow past max-width -->
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<!-- Same as (D), except we've added a max-width on the second element.
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-->
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<div class="flexbox">
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<canvas style="width: 33px; flex: 2 auto"/>
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<canvas style="width: 13px; max-width: 90px; flex: 3 auto"/>
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</div>
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<!-- G) Making sure we grow at least as large as min-width -->
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<!-- Same as (C), except we've added a min-width on the second element.
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-->
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<div class="flexbox">
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<canvas style="width: 33px; flex: 2 auto"/>
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<canvas style="width: 13px; min-width: 150px; flex: 3 auto"/>
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</div>
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</body>
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</html>
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