25948f214e
Implement the background-size CSS property, specified by the CSS Backgrounds and Borders Module Level 3, including the keywords "contain", "cover", and fixed-size backgrounds. https://bugzilla.gnome.org/show_bug.cgi?id=633462
90 lines
2.8 KiB
JavaScript
90 lines
2.8 KiB
JavaScript
// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
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const Clutter = imports.gi.Clutter;
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const St = imports.gi.St;
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const UI = imports.testcommon.ui;
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UI.init();
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let stage = Clutter.Stage.get_default();
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stage.width = 1024;
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stage.height = 768;
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let vbox = new St.BoxLayout({ width: stage.width,
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height: stage.height,
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style: 'background: #ffee88;' });
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stage.add_actor(vbox);
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let scroll = new St.ScrollView();
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vbox.add(scroll, { expand: true });
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let vbox = new St.BoxLayout({ vertical: true,
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style: 'padding: 10px;'
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+ 'spacing: 20px;' });
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scroll.add_actor(vbox);
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let tbox = null;
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function addTestCase(image, size, backgroundSize) {
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let obin = new St.Bin({ style: 'border: 3px solid green;' });
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tbox.add(obin);
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let bin = new St.Bin({ style_class: 'background-image-' + image,
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width: size.width,
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height: size.height,
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style: 'border: 1px solid transparent;'
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+ 'background-size: ' + backgroundSize + ';',
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x_fill: true,
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y_fill: true
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});
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obin.set_child(bin);
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bin.set_child(new St.Label({ text: backgroundSize,
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style: 'font-size: 15px;'
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+ 'text-align: center;'
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}));
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}
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function addTestLine(image, size, backgroundSizes) {
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vbox.add(new St.Label({ text: image + '.svg / ' + size.width + '×' + size.height,
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style: 'font-size: 15px;'
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+ 'text-align: center;'
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}));
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tbox = new St.BoxLayout({ style: 'spacing: 20px;' });
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vbox.add(tbox);
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if (backgroundSizes.length == 2)
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addTestCase(image, size, "auto");
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for each (let s in backgroundSizes)
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addTestCase(image, size, s);
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}
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let size1 = { width: 200, height: 200 }
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let size2 = { width: 250, height: 250 }
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let size3 = { width: 100, height: 100 }
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// fixed size
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addTestLine('200-200', size1, ["200px 200px", "100px 100px", "100px 200px"]);
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// same size
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addTestLine('200-200', size1, ["contain", "cover"]);
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// smaller
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addTestLine('200-200', size2, ["contain", "cover"]);
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// larger
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addTestLine('200-200', size3, ["contain", "cover"]);
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addTestLine('200-100', size1, ["contain", "cover"]);
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addTestLine('200-100', size2, ["contain", "cover"]);
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addTestLine('200-100', size3, ["contain", "cover"]);
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addTestLine('100-200', size1, ["contain", "cover"]);
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addTestLine('100-200', size2, ["contain", "cover"]);
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addTestLine('100-200', size3, ["contain", "cover"]);
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stage.show();
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Clutter.main();
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stage.destroy();
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