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bigreq+putimage test

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This commit is contained in:
Andrey Sidorov 2011-09-09 10:10:25 +10:00
parent 53c5df562b
commit f41ec2f635
1 changed files with 58 additions and 0 deletions
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test/putimage1.js Normal file
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var Buffer = require('buffer').Buffer;
var x11 = require('../lib/x11');
var xclient = x11.createClient();
var Exposure = x11.eventMask.Exposure;
var PointerMotion = x11.eventMask.PointerMotion;
var bitmap = new Buffer(128*128*4); // 16384 bits, 2048 bytes bitmap
for (var i=0; i < bitmap.length; ++i)
{
var byteNum = i%4;
if (byteNum == 0)
bitmap[i] = parseInt((i/512)%256);
if (byteNum == 1)
bitmap[i] = parseInt((i/2048)%256);
if (byteNum == 2)
bitmap[i] = parseInt((i/256)%256);
}
xclient.on('connect', function(display) {
var X = this;
X.QueryExtension('BIG-REQUESTS', function(BigReq) {
console.log(BigReq);
BigReq.Enable(function(maxLen) { console.log( maxLen ); });
var root = display.screen[0].root;
var white = display.screen[0].white_pixel;
var black = display.screen[0].black_pixel;
//console.log(display.screen[0]);
var wid = X.AllocID();
X.CreateWindow(
wid, root,
10, 10, 400, 300,
1, 1, 0,
{
backgroundPixel: white, eventMask: Exposure|PointerMotion
}
);
X.MapWindow(wid);
var gc = X.AllocID();
X.CreateGC(gc, wid, { foreground: black, background: white } );
X.on('event', function(ev) {
if (ev.type == 12) // expose
{
X.PutImage(2, wid, gc, 128, 128, 0, 0, 0, 24, bitmap);
}
});
X.on('error', function(e) {
console.log(e);
});
});
});