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Code Issues Projects Releases Wiki Activity

flesh out page

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This commit is contained in:
Joshua Bell 2018-10-27 22:42:31 -07:00
parent 899a1a4722
commit 45302cc3a0
2 changed files with 259 additions and 207 deletions
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51
index.html
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@ -1,12 +1,59 @@
<!doctype html>
<title>Screen Capture Demo</title>
<title>vnIIc</title>
<link href="https://fonts.googleapis.com/css?family=Audiowide" rel="stylesheet">
<style>
video, canvas { border: 2px dotted black; }
h1, h2, h3 { font-family: Audiowide; }
h1 { font-size: 64px; margin: 0;}
#title { background-color: #d0d0d0; height: 128px; margin: 20px 0; padding: 10px; }
body { font-family: sans-serif; margin: 0 20px;}
</style>
<div id=title>
<h1>vn//c
<img style="float: left; margin-right: 24px;" src="res/icon128.png">
</h1>
<div>
Desktop streaming to an Apple II with Super Serial Card
</div>
</div>
<canvas id=quant width=140 height=192 style="width: 280px; height: 192px;"></canvas>
<br>
<div>
<button id=start>Start Capturing</button>
<button id=save>Save</button>
<button id=bootstrap>Bootstrap</button>
</div>
<script src="server.js"></script>
<h2>About vnIIc</h2>
<p>
The name "vnIIc" is a play on <a target=_blank
href="https://en.wikipedia.org/wiki/Virtual_Network_Computing">VNC
("Virtual Network Computing")</a> and the <a target=_blank
href="https://en.wikipedia.org/wiki/Apple_IIc">Apple IIc</a> for humor
purposes, but the application does not use the VNC or <a target=_blank
href="https://en.wikipedia.org/wiki/RFB_protocol">RFB</a> protocols.
Apple IIc is a trademark of Apple Computer, Inc. VNC and RFB are
registered trademarks of RealVNC Ltd.
</p>
<p>
The first version was a Windows application, written in 2008. See a <a
target=_blank href="https://www.youtube.com/watch?v=vAZHJa91JHk">video
demonstration on YouTube</a>.
</p>
<p>
Thanks to: Michael J. Mahon, Nick Westgate, David Wilson, David
Schmenk, David Schmidt and the rest of the <a target=_blank
href="https://groups.google.com/forum/#!forum/comp.sys.apple2.programmer">comp.sys.apple2.programmer</a>
gang!
</p>
</div>

13
server.js
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@ -1,4 +1,3 @@
(async function() {
const $ = document.querySelector.bind(document);
const palette = [
@ -14,6 +13,7 @@
let hires_buffer = new Uint8Array(8192);
// Save the last captured frame as a hires image file.
$('#save').addEventListener('click', e => {
const blob = new Blob([hires_buffer], {type: 'application/octet-stream'});
const anchor = document.createElement('a');
@ -25,6 +25,8 @@
URL.revokeObjectURL(anchor.href);
});
// Start capturing the desktop.
$('#start').addEventListener('click', async e => {
try {
const mediaStream = await navigator.getDisplayMedia({video:true});
const vid = document.createElement('video');
@ -57,7 +59,7 @@
} catch (e) {
console.warn(`Error: ${e.name} - ${e.message}`);
}
});
// Distance in 3-space
function distance(r1,g1,b1,r2,g2,b2) {
@ -240,6 +242,11 @@
$('#bootstrap').addEventListener('click', async e => {
alert('On the Apple II, type:\n\n' +
' IN#2 (then press Return)\n' +
' Ctrl+A 14B (then press Return)\n\n' +
'Then click OK');
const CLIENT_ADDR = 0x6000;
const CLIENT_FILE = 'client/client.bin';
@ -267,5 +274,3 @@
send('\x03'); // Ctrl+C - Exit Monitor
send(`CALL ${CLIENT_ADDR}`); // Execute client
});
})();