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update callback to accept error as first parameter

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This commit is contained in:
Andrey Sidorov 2015-10-23 09:56:16 +11:00
parent 71599b100f
commit 51b03c5173
1 changed files with 10 additions and 10 deletions
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20
examples/screenshot.js
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@ -8,10 +8,10 @@ x11.createClient(function(err, display) {
var id = wid ? wid : root; var id = wid ? wid : root;
var gc = X.AllocID(); var gc = X.AllocID();
X.CreateGC(gc, id); X.CreateGC(gc, id);
var width = 0; var width = 0;
var hwight = 0; var hwight = 0;
X.GetGeometry(id, function(clientGeom) { X.GetGeometry(id, function(err, clientGeom) {
width = clientGeom.width; width = clientGeom.width;
height = clientGeom.height; height = clientGeom.height;
@ -25,21 +25,21 @@ x11.createClient(function(err, display) {
//var idScreenshot = X.AllocID(); //var idScreenshot = X.AllocID();
//X.CreatePixmap(idScreenshot, root, 24, clientGeom.width, clientGeom.height); //X.CreatePixmap(idScreenshot, root, 24, clientGeom.width, clientGeom.height);
// ask recursively each window to copy itself to pixmap // ask recursively each window to copy itself to pixmap
function drawWithKids(list, cb) function drawWithKids(list, cb)
{ {
if (list.length == 0) if (list.length == 0)
return cb(); return cb();
var p = list.pop(); var p = list.pop();
var win = p.win; var win = p.win;
if (win == dispwin) if (win == dispwin)
return drawWithKids(list, cb); return drawWithKids(list, cb);
X.GetWindowAttributes(win, function(res) { X.GetWindowAttributes(win, function(err, res) {
if (res[8] == 0) if (res[8] == 0)
return drawWithKids(list, cb); return drawWithKids(list, cb);
X.GetGeometry(win, function(geom) { X.GetGeometry(win, function(err, geom) {
// (srcDrawable, dstDrawable, gc, srcX, srcY, dstX, dstY, width, height) // (srcDrawable, dstDrawable, gc, srcX, srcY, dstX, dstY, width, height)
if (win != root) if (win != root)
X.CopyArea(win, dispwin, gc, 0, 0, p.x + geom.xPos, p.y + geom.yPos, geom.width, geom.height); X.CopyArea(win, dispwin, gc, 0, 0, p.x + geom.xPos, p.y + geom.yPos, geom.width, geom.height);
//X.CopyArea(win, idScreenshot, gc, 0, 0, p.x + geom.xPos, p.y + geom.yPos, geom.width, geom.height); //X.CopyArea(win, idScreenshot, gc, 0, 0, p.x + geom.xPos, p.y + geom.yPos, geom.width, geom.height);
@ -63,12 +63,12 @@ x11.createClient(function(err, display) {
// console.log(data); // console.log(data);
//}); //});
console.log('DONE! ready'); console.log('DONE! ready');
X.terminate(); X.terminate();
//var dispwin = X.AllocID(); //var dispwin = X.AllocID();
//X.CreateWindow(dispwin, root, 0, 0, width, height, 1, 1, 0, { eventMask: x11.eventMask.Exposure }); //X.CreateWindow(dispwin, root, 0, 0, width, height, 1, 1, 0, { eventMask: x11.eventMask.Exposure });
//X.MapWindow(dispwin); //X.MapWindow(dispwin);
//X.CopyArea(idScreenshot, dispwin, gc, 0, 0, 0, 0, width, height); //X.CopyArea(idScreenshot, dispwin, gc, 0, 0, 0, 0, width, height);
}); });
*/ */
X.GetImage(2, root, 0, 0, width, height, 0xffffffff, function(image) { X.GetImage(2, root, 0, 0, width, height, 0xffffffff, function(image) {