Files
AI-on-the-edge-device/sd-card/html/image_ref.html
2020-08-23 20:15:11 +02:00

249 lines
8.3 KiB
HTML

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8"/>
<title>Make refernce</title>
<link rel="stylesheet" type="text/css" href="/static/configurator/site.css"/>
</head>
<body onScroll="document.cookie='ypos=' + window.pageYOffset">
<div class="body-content">
<div id="createrefernce">
<script language="JavaScript">
function createscroll(){
var zw = document.cookie
var n1 = zw.indexOf('ypos=')
var n2 = zw.indexOf(";", n1)
var a = zw.substr(n1+5, n2-n1-5)
//window.alert(zw + " -- "+ a + " -- " + + n1 + " -- " + n2)
window.scrollTo(0, a)
}
</script>
<div style="padding-left: 30px">
<h3>Create Reference out of Raw Image</h3>
<div style="padding-left: 30px">
<form method="post">
<input type="hidden" name="csrfmiddlewaretoken" value="lxUFaiYFqzjTUDz63phwtZsErDkz9WjIHPsw56IM1nOYkkvljkwbA2TuKvP97GJy">
<table>
<tr>
<td>
<table>
<tr>
<td>
<h4>Pre-rotate Angle</h4>
</td>
<td>
<input type="number" id="prerotateangle" name="prerotateangle" value=179.0 min="-360" max="360">°
<input type="button" value="Rotate" onclick="drawRotated()">
</td>
</tr>
<tr>
<td>
<h4>Fine Alignment</h4>
</td>
<td>
<input type="number" id="finerotate" name="finerotate" value=0.0 min="-1" max="1" step="0.2" onchange="drawRotated()">°
</td>
</tr>
</table>
</td>
</tr>
</table>
<table>
<tr>
<td>
<canvas id="canvas"></canvas>
</td>
<td>
<input type="hidden" name="degree" id="degree" value="0">
<input type="button" value="Save Reference Image" onclick="SaveReference()">
</td>
</tr>
</table>
</form>
</div>
</div>
<script language="JavaScript">
var canvas = document.getElementById('canvas'),
ctx = canvas.getContext('2d'),
imageObj = new Image();
function dataURLtoBlob(dataurl) {
var arr = dataurl.split(','), mime = arr[0].match(/:(.*?);/)[1],
bstr = atob(arr[1]), n = bstr.length, u8arr = new Uint8Array(n);
while(n--){
u8arr[n] = bstr.charCodeAt(n);
}
return new Blob([u8arr], {type:mime});
}
function SaveReference()
{
if (confirm("Are you sure you want to update \"reference2.jpg\"?")) {
var xhttp = new XMLHttpRequest();
/* first delete the old firmware */
xhttp.onreadystatechange = function() {
if (xhttp.readyState == 4) {
if (xhttp.status == 200) {
/* keine Reaktion, damit sich das Dokument nicht ändert */
} else if (xhttp.status == 0) {
alert("Server closed the connection abruptly!");
location.reload()
} else {
alert(xhttp.status + " Error!\n" + xhttp.responseText);
location.reload()
}
}
};
xhttp.open("POST", "http://192.168.178.22/delete/config/reference2.jpg", false);
xhttp.send();
/* ----------------------------- */
xhttp.onreadystatechange = function() {
if (xhttp.readyState == 4) {
if (xhttp.status == 200) {
alert("Update \"reference2.jpg\" successfull!\n\nTo make it active you need to reboot.")
document.reload();
} else if (xhttp.status == 0) {
alert("Server closed the connection abruptly!");
location.reload()
} else {
alert(xhttp.status + " Error!\n" + xhttp.responseText);
location.reload()
}
}
};
upload_path = "http://192.168.178.22/upload/config/reference2.jpg";
var canvas = document.getElementById("canvas");
var JPEG_QUALITY=0.5;
var dataUrl = canvas.toDataURL('image/jpeg', JPEG_QUALITY);
var rtn = dataURLtoBlob(dataUrl);
xhttp.open("POST", upload_path, true);
xhttp.send(rtn);
}
}
function loadCanvas(dataURL) {
var canvas = document.getElementById('canvas');
var context = canvas.getContext('2d');
imageObj.onload = function() {
canvas.width = this.width;
canvas.height = this.height;
drawRotated();
createscroll();
};
imageObj.src = dataURL;
}
function getCoords(elem) { // crossbrowser version
var box = elem.getBoundingClientRect();
var body = document.body;
var docEl = document.documentElement;
var scrollTop = window.pageYOffset || docEl.scrollTop || body.scrollTop;
var scrollLeft = window.pageXOffset || docEl.scrollLeft || body.scrollLeft;
var clientTop = docEl.clientTop || body.clientTop || 0;
var clientLeft = docEl.clientLeft || body.clientLeft || 0;
var top = box.top + scrollTop - clientTop;
var left = box.left + scrollLeft - clientLeft;
return { top: Math.round(top), left: Math.round(left) };
}
function init() {
// alert("load image");
loadCanvas("http://192.168.178.22/fileserver/img_tmp/raw.jpg");
drawRotated();
}
function drawRotated(){
finerot= parseFloat(document.getElementById("finerotate").value);
prerot = parseFloat(document.getElementById("prerotateangle").value);
if (finerot == 1) {
prerot+=1
finerot = 0
}
if (finerot == -1) {
prerot-=1
finerot = 0
}
degrees = finerot + prerot;
document.getElementById("finerotate").value = finerot;
document.getElementById("prerotateangle").value = prerot;
document.getElementById("degree").value = degrees;
var canvas = document.getElementById('canvas');
var context = canvas.getContext('2d');
context.clearRect(0,0,imageObj.width,imageObj.height);
context.save();
context.translate(imageObj.width/2,imageObj.height/2);
context.rotate(degrees*Math.PI/180);
context.drawImage(imageObj,-imageObj.width/2,-imageObj.height/2);
context.restore();
drawGrid();
}
function drawGrid(){
var canvas = document.getElementById('canvas');
var ctx = canvas.getContext('2d');
w = canvas.width;
h = canvas.height;
ctx.save();
ctx.strokeStyle = '#00FF00';
for (i = h/2; i < h; i += 100)
{
ctx.moveTo(0, i);
ctx.lineTo(w, i);
ctx.stroke();
ctx.moveTo(0, h-i);
ctx.lineTo(w, h-i);
ctx.stroke();
}
for (i = w/2; i < w; i += 100)
{
ctx.moveTo(i, 0);
ctx.lineTo(i, h);
ctx.stroke();
ctx.moveTo(w-i, 0);
ctx.lineTo(w-i, h);
ctx.stroke(); }
ctx.restore();
}
init();
</script>
<hr/>
</div>
</body onScroll="document.cookie='ypos=' + window.pageYOffset">
</html>