Blitz - WPT: background-image-column.html

wpt / css / css-tables / tentative / paint / background-image-column.html

/css/css-tables/tentative/paint/background-image-column.html

<!DOCTYPE html>
<title>Table column background image geometry</title>
<link rel="author" title="Aleks Totic" href="atotic@chromium.org" />
<link rel="help" href="https://www.w3.org/TR/css-tables-3/#drawing-backgrounds-and-borders" />
<link rel="match" href="background-image-column-ref.html" />
<meta name="assert" content="Column backgrounds get painted into cells with correct geometry.">
<style>
  body {
    --peek: LightGreen;
  }
  .bg {
    background-color: var(--peek);
    background-image: linear-gradient(45deg, orange 0px, orange 10px, gainsboro 3px, gainsboro 25%, rgba(160,160,160,0.5) 25%, rgba(160,160,160,0.5) 50%, silver 50%, silver 75%, darkgray 75%, darkgray 220px, blue 220px);
    background-repeat: no-repeat;
  }
  main * {
    box-sizing: border-box;
  }
  main table {
    border-spacing: 10px;
    border: 10px solid yellow;
    padding: 10px;
  }
  main td {
    width: 50px;
    height: 50px;
    padding: 0px;
    border: 4px solid black;
  }
</style>
<body>
<main>
  <table>
    <col class="bg">
    <col class="bg">
    <tr>
      <td rowspan=4></td>
      <td></td>
      <td></td>
      <td></td>
    </tr>
    <tr>
      <td rowspan=2 colspan=2></td>
      <td></td>
    </tr>
    <tr>
      <td></td>
    </tr>
    <tr>
      <td></td>
      <td></td>
      <td></td>
    </tr>
  </table>
</main>
</body>

/css/css-tables/tentative/paint/background-image-column-ref.html

<!doctype html>
<style>
  body {
    --peek: LightGreen;
  }
  .bg {
    background-color: var(--peek);
    background-image: linear-gradient(45deg, orange 0px, orange 10px, gainsboro 3px, gainsboro 25%, rgba(160,160,160,0.5) 25%, rgba(160,160,160,0.5) 50%, silver 50%, silver 75%, darkgray 75%, darkgray 220px, blue 220px);
    background-repeat: no-repeat;
    background-size: 50px 230px;
  }
  main * {
    box-sizing: border-box;
  }
  .td {
    width: 50px;
    height: 50px;
    position:absolute;
    border: 4px solid black;
  }
</style>

<main>
<div style="position: relative;border: 10px solid yellow; width:290px; height: 290px">
  <!-- row 1 -->
  <div class="td bg" style="top:20px;left:20px;height:230px"></div>
  <div class="td bg" style="top:20px;left:80px;"></div>
  <div class="td" style="top:20px; left: 140px;"></div>
  <div class="td" style="top:20px; left: 200px;"></div>
  <!-- row 2
    additional -4 offsets on background-position are for borders.
    columns do not have borders.
  -->
  <div class="td bg" style="top:80px;left:80px;width:110px;height:110px;background-position-y:-64px;background-position-x:-4px"></div>
  <div class="td" style="top:80px; left: 200px;"></div>
  <!-- row 3 -->
  <div class="td" style="top:140px; left: 200px;"></div>
  <!-- row 4 -->
  <div class="td bg" style="top:200px;left:80px;background-position-y:-180px"></div>
  <div class="td" style="top:200px; left: 140px;"></div>
  <div class="td" style="top:200px; left: 200px;"></div>
</div>

</main>