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<!DOCTYPE html>
<!-- This is a reference case for a "4-pages-per-sheet" scenario. This file is
a mockup of a sheet with 4 pages, with the pages all having a 0.4x scale
scale factor applied. (We end up with that scale factor by subtracting the
requested unwriteable margins from the sheet, and dividing up the
remaining space equally among the "virtual pages".) -->
<style>
html {
display: flex;
height: 100%;
margin: 0;
}
body {
/* As a flex item (a child of the html element), fill the available area. */
flex: 1;
/* We lay out the body as a column-oriented flex container (whose children,
in turn, are rows). */
display: flex;
flex-direction: column;
/* These margins represent the margins around the pages-per-sheet "page grid"
in the testcase. They represent the unwriteable area, as well as the
"centering" area in the axis that has extra space, which in this case is
the horizontal axis. These values come directly from the
unwriteableMargin{Top,Right,Bottom,Left} values in this testcase's setup
code in printpreview_helper.xhtml, with 0.2in added to margin-right and
margin-left, to horizontally center the page-grid within the sheet's
writeable area. */
margin-top: 0.6in;
margin-right: 0.3in; /* 0.1in + 0.2in for centering */
margin-bottom: 0.4in;
margin-left: 0.5in; /* 0.3in + 0.2in for centering */
}
.row {
/* Give each row an equal share of the available height: */
flex: 1;
/* ...and render them as row-oriented (by default) flex containers: */
display: flex;
}
.swatch {
box-sizing: border-box;
/* These represent the 120px borders in the testcase, scaled down 0.4x: */
border: 48px solid;
/* Share the width equally among the swatches. (The height will be
automatically set to the flex container's row height, via default
'align-self' behavior.) */
flex: 1;
/* These values come directly from the unwriteableMargin values in the
testcase's configuration code in printpreview_helper.xhtml, with
each measurement scaled down by exactly 0.4x. */
margin-top: 0.24in;
margin-right: 0.04in;
margin-bottom: 0.16in;
margin-left: 0.12in;
}
.row:nth-child(1) > .swatch:nth-child(1) { border-color: cyan; }
.row:nth-child(1) > .swatch:nth-child(2) { border-color: yellow; }
.row:nth-child(2) > .swatch:nth-child(1) { border-color: pink; }
.row:nth-child(2) > .swatch:nth-child(2) { border-color: orange; }
</style>
<div class="row">
<div class="swatch"></div>
<div class="swatch"></div>
</div>
<div class="row">
<div class="swatch"></div>
<div class="swatch"></div>
</div>
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