fd50b9a45e
This is *much* nicer than repetitive "imports.gi" lines ... https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/399
102 lines
3.5 KiB
JavaScript
102 lines
3.5 KiB
JavaScript
// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
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const UI = imports.testcommon.ui;
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const { Cogl, Clutter, St } = imports.gi;
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function test() {
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let stage = new Clutter.Stage({ user_resizable: true, width: 1024, height: 768 });
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UI.init(stage);
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let vbox = new St.BoxLayout({ style: 'background: #ffee88;' });
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vbox.add_constraint(new Clutter.BindConstraint({ source: stage,
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coordinate: Clutter.BindCoordinate.SIZE }));
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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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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, useCairo) {
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// Using a border in CSS forces cairo rendering.
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// To get a border using cogl, we paint a border using
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// paint signal hacks.
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let obin = new St.Bin();
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if (useCairo)
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obin.style = 'border: 3px solid green;';
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else
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obin.connect_after('paint', actor => {
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Cogl.set_source_color4f(0, 1, 0, 1);
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let geom = actor.get_allocation_geometry();
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let width = 3;
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// clockwise order
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Cogl.rectangle(0, 0, geom.width, width);
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Cogl.rectangle(geom.width - width, width,
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geom.width, geom.height);
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Cogl.rectangle(0, geom.height,
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geom.width - width, geom.height - width);
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Cogl.rectangle(0, geom.height - width,
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width, width);
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});
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tbox.add(obin);
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let [width, height] = size;
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let bin = new St.Bin({ style_class: 'background-image-' + image,
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width: width,
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height: 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 + (useCairo ? ' (cairo)' : ' (cogl)'),
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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, useCairo) {
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const backgroundSizes = ["auto", "contain", "cover", "200px 200px", "100px 100px", "100px 200px"];
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let [width, height] = size;
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vbox.add(new St.Label({ text: image + '.svg / ' + width + '×' + 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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for (let s of backgroundSizes)
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addTestCase(image, size, s, false);
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for (let s of backgroundSizes)
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addTestCase(image, size, s, true);
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}
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function addTestImage(image) {
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const containerSizes = [[100, 100], [200, 200], [250, 250], [100, 250], [250, 100]];
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for (let size of containerSizes)
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addTestLine(image, size);
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}
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addTestImage ('200-200');
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addTestImage ('200-100');
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addTestImage ('100-200');
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UI.main(stage);
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}
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test();
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