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Mon 21 Jul 22:43:21 CEST 2025

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sbosse 2025-07-21 23:04:13 +02:00
parent a27649aadb
commit 6c7e97767e
1 changed files with 47 additions and 0 deletions
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js/x11/examples/png/test.js Normal file
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var logo = require('./node-png').readPng('./node-logo.png');
var x11 = require('../../lib');
var Exposure = x11.eventMask.Exposure;
x11.createClient(function(err, display)
{
var X = display.client;
X.require('render', function(err, Render) {
var root = display.screen[0].root;
main(root, X, Render);
});
});
function main(root, X, Render) {
var win, picWin, pic, gc;
win = X.AllocID();
X.CreateWindow(
win, root,
0, 0, logo.width, logo.height,
0, 0, 0, 0,
{ eventMask: Exposure }
);
X.MapWindow(win);
gc = X.AllocID();
X.CreateGC(gc, win);
var logoPixmap = X.AllocID();
X.CreatePixmap(logoPixmap, win, 24, logo.width, logo.height);
// TODO: add proper png pixel conversion here
X.PutImage(2, logoPixmap, gc, logo.width, logo.height, 0, 0, 0, 24, logo.data);
var logoPicture = X.AllocID();
Render.CreatePicture(logoPicture, logoPixmap, Render.rgb24);
var winPicture = X.AllocID();
Render.CreatePicture(winPicture, win, Render.rgb24);
X.on('event', function(ev) {
if (ev.name == 'Expose')
Render.Composite(3, logoPicture, 0, winPicture, 0, 0, 0, 0, 0, 0, logo.width, logo.height);
});
}