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103 lines
2.8 KiB
JavaScript
103 lines
2.8 KiB
JavaScript
/* FreeJ example scripts
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* (c) Copyright 2005 Christoph Rudorff aka MrGoil <goil@dyne.org>
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*
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* This source code is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Public License as published
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* by the Free Software Foundation; either version 3 of the License,
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* or (at your option) any later version.
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*
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* This source code is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* Please refer to the GNU Public License for more details.
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*
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* You should have received a copy of the GNU Public License along with
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* this source code; if not, write to:
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* Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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*/
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/*
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Example how to handle errors in js and freej
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run with -D3 and/or -c to see the mess
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*/
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var cam = new Array();
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function do_cam(n) {
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var cam_obj = null;
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if (cam[n]) {
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echo("delete cam"+n);
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cam_obj = cam[n];
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echo("file: " + cam_obj.get_filename());
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rem_layer(cam_obj);
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cam[n] = null;
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delete (cam_obj); // FIXME: destructor still not called
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} else {
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file = "/dev/video" + n;
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echo("open cam" + n + " " + file);
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try {
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cam_obj = new CamLayer(320, 240, file);
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} catch (e) {
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echo ("camExp: " + dumpex(e) );
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}
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if (cam_obj) {
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echo("cam obj: " + cam_obj);
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add_layer(cam_obj);
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cam[n] = cam_obj;
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} else{
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echo("cam failed");
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}
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}
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}
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// dump Exception
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// props: message fileName lineNumber stack name
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function dumpex(e) {
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var msg = "Dump ex: ";
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for (prop in e) {
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msg += "'"+prop + "'='" + e[prop]+"', ";
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}
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return msg;
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}
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mkbd = new KeyboardController();
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register_controller(mkbd);
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mkbd.released_q = function() { quit(); }
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mkbd.released_c = function() { include("cynosure.js"); }
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mkbd.released_p = function() { include("pan_joy.js"); }
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mkbd.released_1 = function() { do_cam(0); }
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mkbd.released_2 = function() { do_cam(1); }
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mkbd.released_3 = function() { echo("\n\n\nSPAM SPAM\n\n"); }
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mkbd.released_0 = function() {
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echo("test bad geo layer");
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try {
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echo("try");
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g=new GeometryLayer(30,30,90,90); // freej object
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echo("\n got geo layer: " + g);
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} catch (e) {
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echo ("Exp: " + dumpex(e) );
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}
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echo("test end");
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}
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mkbd.released_9 = function() {
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echo("test bad Array");
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try {
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echo("try");
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g=new Array(-90); // js core object
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echo("\n ok got : " + g);
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} catch (e) {
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echo ("Exp: " + dumpex(e) );
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}
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echo("test end");
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}
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mkbd.released_s = function() {
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echo("now making unhandled exception:");
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g=new GeometryLayer(30,30,90,90);
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echo("done (or not ...)");
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}
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