72 lines
1.8 KiB
JavaScript
72 lines
1.8 KiB
JavaScript
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var Buffer = require('buffer').Buffer;
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var x11 = require('../../lib');
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var Exposure = x11.eventMask.Exposure;
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var PointerMotion = x11.eventMask.PointerMotion;
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var bitmap = new Buffer(128*128*4); // 16384 bits, 2048 bytes bitmap
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for (var i=0; i < bitmap.length; ++i)
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{
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var byteNum = i%4;
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if (byteNum == 0)
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bitmap[i] = parseInt((i/512)%256);
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if (byteNum == 1)
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bitmap[i] = parseInt((i/2048)%256);
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if (byteNum == 2)
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bitmap[i] = parseInt((i/256)%256);
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if (byteNum == 2)
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bitmap[i] = parseInt((i/1024)%256);
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}
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x11.createClient(function(err, display) {
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if (err) throw err;
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var X = display.client;
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X.require('render', function(err, Render) {
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var root = display.screen[0].root;
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var white = display.screen[0].white_pixel;
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var black = display.screen[0].black_pixel;
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//console.log(display.screen[0]);
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var wid = X.AllocID();
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X.CreateWindow(
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wid, root,
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10, 10, 400, 300,
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1, 1, 0,
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{
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backgroundPixel: white, eventMask: Exposure|PointerMotion
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}
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);
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X.MapWindow(wid);
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var gc = X.AllocID();
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X.CreateGC(gc, wid, { foreground: black, background: white } );
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var pixmap1 = X.AllocID();
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X.CreatePixmap(pixmap1, wid, 32, 128, 128);
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var pic = X.AllocID();
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Render.CreatePicture(pic, pixmap1, Render.rgba32);
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var pic1 = X.AllocID();
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Render.CreatePicture(pic1, wid, Render.rgb24);
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X.on('event', function(ev) {
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if (ev.type == 12) // expose
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{
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X.PutImage(2, wid, gc, 128, 128, 0, 0, 0, 24, bitmap);
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X.PutImage(2, pixmap1, gc, 128, 128, 0, 0, 0, 32, bitmap);
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//Render.Composite(3, pic1, 0, pic, 0, 0, 0, 0, 30, 40, 128, 128);
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}
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});
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X.on('error', function(e) {
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console.log(e);
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});
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});
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});
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