| <?xml version="1.0" encoding="UTF-8"?> |
| <!-- |
| Any copyright is dedicated to the Public Domain. |
| http://creativecommons.org/publicdomain/zero/1.0/ |
| --> |
| <!-- |
| This test checks that canvas elements behave correctly as flex items. |
| --> |
| <html xmlns="http://www.w3.org/1999/xhtml"> |
| <head> |
| <title> |
| CSS Test: Testing flexbox layout algorithm property on canvas flex items in a vertical flex container |
| (with a vertical writing-mode on the canvas flex items). |
| </title> |
| <link rel="author" title="Daniel Holbert" href="mailto:dholbert@mozilla.com"/> |
| <link rel="help" href="http://www.w3.org/TR/css-flexbox-1/#layout-algorithm"/> |
| <link rel="match" href="flexbox-basic-canvas-vert-001-ref.xhtml"/> |
| <style> |
| div.flexbox { |
| height: 200px; |
| background: lightgreen; |
| display: flex; |
| justify-content: space-between; |
| flex-direction: column; |
| float: left; |
| margin-right: 10px; |
| font: 8px monospace; |
| } |
| canvas { |
| width: 20px; |
| height: 10px; |
| min-height: 0; |
| border: 1px dotted green; |
| writing-mode: vertical-lr; |
| } |
| </style> |
| </head> |
| <body> |
| |
| <!-- A) One flex item --> |
| <div class="flexbox"> |
| <canvas/> |
| </div> |
| |
| <!-- B) Text and a canvas (ensure they aren't merged into one flex item) --> |
| <div class="flexbox"> |
| a b <canvas/> |
| </div> |
| |
| <!-- C) Two canvas elements, getting stretched by different ratios, from 0. |
| |
| Space-to-be-distributed = 200px - borders = 200 - (1 + 1) - (1 + 1) |
| = 196px |
| |
| 1st element gets 5/9 of space: 5/9 * 196px = 108.8px |
| 1st element gets 4/9 of space: 4/9 * 196px = 87.1px |
| --> |
| <div class="flexbox"> |
| <canvas style="flex: 5"/> |
| <canvas style="flex: 4"/> |
| </div> |
| |
| <!-- D) Two canvas elements, getting stretched by different ratios, from |
| different flex bases. |
| |
| Space-to-be-distributed = 200px - (33 + 1 + 1) - (13 + 1 + 1) = 150px |
| 1st element gets 2/5 of space: 33px + 2/5 * 150px = 93px |
| 1st element gets 3/5 of space: 13px + 3/5 * 150px = 103px |
| --> |
| <div class="flexbox"> |
| <canvas style="height: 33px; flex: 2 auto"/> |
| <canvas style="height: 13px; flex: 3 auto"/> |
| </div> |
| |
| <!-- E) Two flex items, getting shrunk by different amounts. |
| |
| Space-to-be-distributed = 200px - (150 + 1 + 1) - (100 + 1 + 1) = -54px |
| First element scaled flex ratio = 4 * 150 = 600 |
| Second element scaled flex ratio = 3 * 100 = 300 |
| * So, total flexibility is 600 + 300 = 900 |
| |
| 1st element gets 600/900 of space: 150 + 600/900 * -54 = 114px |
| 2nd element gets 300/900 of space: 100 + 300/900 * -54 = 82px |
| --> |
| <div class="flexbox"> |
| <canvas style="height: 150px; flex: 1 4 auto"/> |
| <canvas style="height: 100px; flex: 1 3 auto"/> |
| </div> |
| |
| <!-- F) Making sure we don't grow past max-height --> |
| <!-- Same as (D), except we've added a max-height on the second element. |
| --> |
| <div class="flexbox"> |
| <canvas style="height: 33px; flex: 2 auto"/> |
| <canvas style="height: 13px; max-height: 90px; flex: 3 auto"/> |
| </div> |
| |
| <!-- G) Making sure we grow at least as large as min-height --> |
| <!-- Same as (C), except we've added a min-height on the second element. |
| --> |
| <div class="flexbox"> |
| <canvas style="height: 33px; flex: 2 auto"/> |
| <canvas style="height: 13px; min-height: 150px; flex: 3 auto"/> |
| </div> |
| |
| </body> |
| </html> |