layout/reftests/w3c-css/submitted/flexbox/flexbox-basic-canvas-vert-1.xhtml@7540298fafa1
layout/reftests/w3c-css/submitted/flexbox/flexbox-basic-canvas-vert-1.xhtml
Thu, 15 Jan 2015 21:13:52 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 15 Jan 2015 21:13:52 +0100
- branch
- TOR_BUG_9701
- changeset 12
- 7540298fafa1
- permissions
- -rw-r--r--
Remove forgotten relic of ABI crash risk averse overloaded method change.
1 <?xml version="1.0" encoding="UTF-8"?>
2 <!--
3 Any copyright is dedicated to the Public Domain.
4 http://creativecommons.org/publicdomain/zero/1.0/
5 -->
6 <!--
7 This test checks that canvas elements behave correctly as flex items.
8 -->
9 <html xmlns="http://www.w3.org/1999/xhtml">
10 <head>
11 <title>CSS Test: Testing flexbox layout algorithm property on canvas flex items in a vertical flex container</title>
12 <link rel="author" title="Daniel Holbert" href="mailto:dholbert@mozilla.com"/>
13 <link rel="help" href="http://www.w3.org/TR/css3-flexbox/#layout-algorithm"/>
14 <link rel="match" href="flexbox-basic-canvas-vert-1-ref.xhtml"/>
15 <style>
16 div.flexbox {
17 height: 200px;
18 background: lightgreen;
19 display: flex;
20 justify-content: space-between;
21 flex-direction: column;
22 float: left;
23 margin-right: 10px;
24 font: 8px monospace;
25 }
26 canvas {
27 width: 20px;
28 height: 10px;
29 min-height: 0;
30 border: 1px dotted green;
31 }
32 </style>
33 </head>
34 <body>
36 <!-- A) One flex item -->
37 <div class="flexbox">
38 <canvas/>
39 </div>
41 <!-- B) Text and a canvas (ensure they aren't merged into one flex item) -->
42 <div class="flexbox">
43 a b <canvas/>
44 </div>
46 <!-- C) Two canvas elements, getting stretched by different ratios, from 0.
48 Space-to-be-distributed = 200px - borders = 200 - (1 + 1) - (1 + 1)
49 = 196px
51 1st element gets 5/8 of space: 5/8 * 196px = 122.5px
52 1st element gets 3/8 of space: 3/8 * 196px = 73.5px
53 -->
54 <div class="flexbox">
55 <canvas style="flex: 5"/>
56 <canvas style="flex: 3"/>
57 </div>
59 <!-- D) Two canvas elements, getting stretched by different ratios, from
60 different flex bases.
62 Space-to-be-distributed = 200px - (33 + 1 + 1) - (13 + 1 + 1) = 150px
63 1st element gets 2/5 of space: 33px + 2/5 * 150px = 93px
64 1st element gets 3/5 of space: 13px + 3/5 * 150px = 103px
65 -->
66 <div class="flexbox">
67 <canvas style="height: 33px; flex: 2 auto"/>
68 <canvas style="height: 13px; flex: 3 auto"/>
69 </div>
71 <!-- E) Two flex items, getting shrunk by different amounts.
73 Space-to-be-distributed = 200px - (150 + 1 + 1) - (100 + 1 + 1) = -54px
74 First element scaled flex ratio = 4 * 150 = 600
75 Second element scaled flex ratio = 3 * 100 = 300
76 * So, total flexibility is 600 + 300 = 900
78 1st element gets 600/900 of space: 150 + 600/900 * -54 = 114px
79 2nd element gets 300/900 of space: 100 + 300/900 * -54 = 82px
80 -->
81 <div class="flexbox">
82 <canvas style="height: 150px; flex: 1 4 auto"/>
83 <canvas style="height: 100px; flex: 1 3 auto"/>
84 </div>
86 <!-- F) Making sure we don't grow past max-height -->
87 <!-- Same as (D), except we've added a max-height on the second element.
88 -->
89 <div class="flexbox">
90 <canvas style="height: 33px; flex: 2 auto"/>
91 <canvas style="height: 13px; max-height: 90px; flex: 3 auto"/>
92 </div>
94 <!-- G) Making sure we grow at least as large as min-height -->
95 <!-- Same as (C), except we've added a min-height on the second element.
96 -->
97 <div class="flexbox">
98 <canvas style="height: 33px; flex: 2 auto"/>
99 <canvas style="height: 13px; min-height: 150px; flex: 3 auto"/>
100 </div>
102 </body>
103 </html>
