Added capture and capture previews to web UI
This commit is contained in:
Joel Collins
parent
49331d36a8
commit
d75efa630b
5 changed files with 252 additions and 30 deletions
|
|
@ -1,5 +1,17 @@
|
|||
// TODO: Remember a position and restore that position
|
||||
// TODO: Right click to auto-focus, centered on that region
|
||||
/*
|
||||
TODO: New capture panel
|
||||
TODO: Make delete button work
|
||||
|
||||
TODO: Recordings list
|
||||
TODO: New recording panel
|
||||
TODO: Somehow have Python make funky thumbnails for videos?
|
||||
|
||||
TODO: Remember a position and restore that position
|
||||
TODO: Right click to auto-focus, centered on that region
|
||||
|
||||
TODO: Box to specify device IP
|
||||
TODO: Dynamically add stream image src from JS (allows streaming from an external IP)
|
||||
*/
|
||||
|
||||
var baseURI = "/api/v1"
|
||||
|
||||
|
|
@ -42,7 +54,36 @@ function getCaptures() {
|
|||
}
|
||||
|
||||
function updateCaptures(response) {
|
||||
console.log(response)
|
||||
// Clear captures list
|
||||
var capturesNode = document.getElementById("captures");
|
||||
while (capturesNode.firstChild) {
|
||||
capturesNode.removeChild(capturesNode.firstChild);
|
||||
}
|
||||
|
||||
// For each capture in the response array
|
||||
response.forEach(function(element) {
|
||||
// Store the capture object URI
|
||||
element_uri = `${baseURI}/capture/${element.id}`
|
||||
|
||||
// Generate inner HTML from capture object
|
||||
html = `
|
||||
<div class="clearfix">
|
||||
<div class="left-col"><img src="${element_uri}/thumbnail"></div>
|
||||
<div class="right-col">
|
||||
<b>${element.file}</b><br>
|
||||
<a href="${element_uri}/download" target="_blank">View</a> <a href="${element_uri}/download?as_attachment=true">Download</a> Delete <a href="${element_uri}/" target="_blank">JSON</a>
|
||||
<br>
|
||||
</div>
|
||||
</div>
|
||||
`
|
||||
|
||||
// Create a new capture div, and append HTML
|
||||
var div = document.createElement("div");
|
||||
div.className = "capture";
|
||||
div.innerHTML = html;
|
||||
capturesNode.appendChild(div);
|
||||
});
|
||||
|
||||
}
|
||||
|
||||
function updateTextBoxes() {
|
||||
|
|
@ -56,9 +97,9 @@ function updateTextBoxes() {
|
|||
}
|
||||
|
||||
function updateStagePositions(response) {
|
||||
document.getElementById('x_abs').value = response["x"];
|
||||
document.getElementById('y_abs').value = response["y"];
|
||||
document.getElementById('z_abs').value = response["z"];
|
||||
document.getElementById('x_abs').value = response.x;
|
||||
document.getElementById('y_abs').value = response.y;
|
||||
document.getElementById('z_abs').value = response.z;
|
||||
}
|
||||
|
||||
function getStagePositions() {
|
||||
|
|
@ -69,13 +110,79 @@ function getStagePositions() {
|
|||
safeRequest("GET", baseURI+"/position", null, updatePositionCallback, false)
|
||||
}
|
||||
|
||||
// Capture methods
|
||||
function newCapture(filename, keep_on_disk, use_video_port, resizeWidth=null, resizeHeight=null) {
|
||||
// Make a position request
|
||||
function newCaptureCallback(response, status) {
|
||||
if (status != 200) {
|
||||
alert("Capture failed.");
|
||||
}
|
||||
console.log(status, response);
|
||||
getCaptures(); // Update full list of captures when done
|
||||
}
|
||||
|
||||
payload = {
|
||||
"filename": filename,
|
||||
"keep_on_disk": keep_on_disk,
|
||||
"use_video_port": use_video_port
|
||||
}
|
||||
|
||||
if ((resizeWidth) && (resizeHeight)) {
|
||||
payload.size = {
|
||||
"width": resizeWidth,
|
||||
"height": resizeHeight
|
||||
}
|
||||
}
|
||||
|
||||
console.log(payload);
|
||||
safeRequest("POST", baseURI+"/capture/", payload, newCaptureCallback);
|
||||
}
|
||||
|
||||
function newCaptureFromInput() {
|
||||
captureFilenameInput = document.getElementById('captureFilenameInput');
|
||||
captureKeepOnDiskCheck = document.getElementById('captureKeepOnDiskCheck');
|
||||
captureFullResolutionCheck = document.getElementById('captureFullResolutionCheck');
|
||||
captureResizeCheck = document.getElementById('captureResizeCheck');
|
||||
captureWidthInput = document.getElementById('captureWidthInput')
|
||||
captureHeightInput = document.getElementById('captureHeightInput')
|
||||
|
||||
// Get filename if one is given
|
||||
if (captureFilenameInput.value === "") {
|
||||
filename = null;
|
||||
}
|
||||
else {
|
||||
filename = captureFilenameInput.value;
|
||||
}
|
||||
|
||||
if (captureResizeCheck.checked) {
|
||||
resizeWidth = Number(captureWidthInput.value);
|
||||
resizeHeight = Number(captureHeightInput.value);
|
||||
}
|
||||
else {
|
||||
resizeWidth = null;
|
||||
resizeHeight = null;
|
||||
}
|
||||
|
||||
newCapture(filename, captureKeepOnDiskCheck.checked, !(captureFullResolutionCheck.checked), resizeWidth, resizeHeight);
|
||||
|
||||
}
|
||||
|
||||
function newCaptureResizeToggle(checkbox) {
|
||||
captureWidthInput = document.getElementById('captureWidthInput')
|
||||
captureHeightInput = document.getElementById('captureHeightInput')
|
||||
|
||||
captureWidthInput.disabled = !(checkbox.checked)
|
||||
captureHeightInput.disabled = !(checkbox.checked)
|
||||
}
|
||||
|
||||
// Move stage methods
|
||||
// TODO: Combine setStagePositions and moveStagePositions, with bool argument for 'absolute'
|
||||
|
||||
function setStagePositions(x_abs, y_abs, z_abs) {
|
||||
// Make a position request
|
||||
function absMoveCallback(response, status) {
|
||||
if (status == 400) {
|
||||
alert("Stage cannot be moved further than the safe range.");
|
||||
if (status != 200) {
|
||||
alert("Error moving stage.");
|
||||
}
|
||||
console.log(status, response);
|
||||
updateStagePositions(response);
|
||||
|
|
@ -86,8 +193,8 @@ function setStagePositions(x_abs, y_abs, z_abs) {
|
|||
function moveStagePositions(x_rel, y_rel, z_rel) {
|
||||
// Make a position request
|
||||
function relMoveCallback(response, status) {
|
||||
if (status == 400) {
|
||||
alert("Stage cannot be moved further than the safe range.");
|
||||
if (status != 200) {
|
||||
alert("Error moving stage.");
|
||||
}
|
||||
console.log(status, response);
|
||||
updateStagePositions(response);
|
||||
|
|
@ -131,9 +238,9 @@ function clickHotspotImage(event) {
|
|||
window.addEventListener('wheel', function(e) {
|
||||
multiplier = 1/100;
|
||||
z_delta = e.deltaY * multiplier * focusVelocity;
|
||||
if ((document.getElementById("scrollFocusCheck").checked == true) && (e.target.parentNode.classList["value"] == "column middle")) {
|
||||
if ((document.getElementById("scrollFocusCheck").checked == true) && (e.target.parentNode.classList.value == "column middle")) {
|
||||
console.log(z_delta);
|
||||
console.log(e.target.parentNode.classList["value"]);
|
||||
console.log(e.target.parentNode.classList.value);
|
||||
// Make a position request
|
||||
safeRequest("POST", baseURI+"/position", { "absolute": false, "z": z_delta}, keyMoveCallback)
|
||||
}
|
||||
|
|
@ -196,21 +303,21 @@ function safeRequest(method, url, payload, callback, lock=true, force=false) {
|
|||
var xhr = new XMLHttpRequest(); // new HttpRequest instance
|
||||
xhr.open(method, url);
|
||||
|
||||
if (lock == true) {
|
||||
requestLock = true;
|
||||
if (lock == true) { // If request is using the lock
|
||||
requestLock = true; // Hold the lock
|
||||
}
|
||||
|
||||
xhr.onload = function (e) {
|
||||
if (xhr.readyState === 4) {
|
||||
if (lock == true) { // If request is using the lock
|
||||
requestLock = false; // Release the lock
|
||||
}
|
||||
|
||||
if (xhr.status !== 200) {
|
||||
console.error(xhr.statusText);
|
||||
console.error(xhr.statusText);
|
||||
}
|
||||
callback(JSON.parse(xhr.responseText), xhr.status);
|
||||
}
|
||||
|
||||
if (lock == true) {
|
||||
requestLock = false;
|
||||
}
|
||||
};
|
||||
|
||||
if (method == "POST" || method == "PUT") {
|
||||
|
|
@ -221,6 +328,7 @@ function safeRequest(method, url, payload, callback, lock=true, force=false) {
|
|||
|
||||
}
|
||||
else {
|
||||
console.log("Cannot start new request while previous requets is pending...")
|
||||
console.log("Cannot start the following request while the previous requets is pending:")
|
||||
console.log(method, url, payload)
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -10,7 +10,7 @@ body {
|
|||
}
|
||||
|
||||
/* Preview sizing */
|
||||
img {
|
||||
.middle img {
|
||||
width: 100%;
|
||||
height: 100%;
|
||||
object-fit: contain
|
||||
|
|
@ -68,8 +68,14 @@ img {
|
|||
|
||||
#captures {
|
||||
font-size:12px;
|
||||
margin-top: 20px;
|
||||
}
|
||||
|
||||
.capture {
|
||||
background-color: #d3d3d3;
|
||||
margin-bottom: 5px;
|
||||
}
|
||||
|
||||
.capture img {
|
||||
width: 60px;
|
||||
}
|
||||
|
|
@ -28,14 +28,14 @@
|
|||
<div class="clearfix">
|
||||
<div class="left-col">FOV width:</div>
|
||||
<div class="right-col">
|
||||
<input type="text" id="fovXText" size="4" onchange="fovX = Number(this.value); updateTextBoxes();">
|
||||
<input type="number" id="fovXText" onchange="fovX = Number(this.value); updateTextBoxes();" style="width: 7em" >
|
||||
</div>
|
||||
</div>
|
||||
|
||||
<div class="clearfix">
|
||||
<div class="left-col">FOV height:</div>
|
||||
<div class="right-col">
|
||||
<input type="text" id="fovYText" size="4" onchange="fovY = Number(this.value); updateTextBoxes();">
|
||||
<input type="number" id="fovYText" onchange="fovY = Number(this.value); updateTextBoxes();" style="width: 7em" >
|
||||
</div>
|
||||
</div>
|
||||
</p>
|
||||
|
|
@ -72,16 +72,25 @@
|
|||
</div>
|
||||
|
||||
<div class="column right">
|
||||
<h2>Capture</h2>
|
||||
Filename: <br>
|
||||
<input type="text" id="captureFilenameInput" placeholder="Leave blank for default"><br>
|
||||
Store on Pi: <input type="checkbox" id="captureKeepOnDiskCheck"><br>
|
||||
Full resolution: <input type="checkbox" id="captureFullResolutionCheck"><br>
|
||||
Resize capture: <input type="checkbox" id="captureResizeCheck" onclick="newCaptureResizeToggle(this);"><br>
|
||||
<input type="number" id="captureWidthInput" value="640" style="width: 7em" disabled>
|
||||
<input type="number" id="captureHeightInput" value="480" style="width: 7em" disabled><br>
|
||||
|
||||
<button type="button" onclick="newCaptureFromInput();">Capture</button>
|
||||
|
||||
<h2>Captures</h2>
|
||||
<div id="captures">
|
||||
<p>Not yet implemented.</p>
|
||||
<div class="capture">Capture 1</div>
|
||||
</div>
|
||||
<button type="button" onclick="getCaptures();">Update</button>
|
||||
<div id="captures"></div>
|
||||
|
||||
</div>
|
||||
|
||||
<div class="column middle">
|
||||
<img src="/api/v1/stream" ondblclick="clickHotspotImage(event)" ;="" style="width: 100%;">
|
||||
<img src="/api/v1/stream" ondblclick="clickHotspotImage(event);">
|
||||
</div>
|
||||
|
||||
</div>
|
||||
|
|
|
|||
|
|
@ -14,7 +14,7 @@ import datetime
|
|||
|
||||
from flask import (
|
||||
Flask, render_template, Response,
|
||||
redirect, request, jsonify, send_file)
|
||||
redirect, request, jsonify, send_file, abort)
|
||||
|
||||
|
||||
import numpy as np
|
||||
|
|
@ -119,8 +119,10 @@ def position():
|
|||
|
||||
return jsonify(microscope.state['position'])
|
||||
|
||||
|
||||
# Capture routes
|
||||
@app.route(uri('/capture'), methods=['GET', 'POST', 'PUT'])
|
||||
|
||||
@app.route(uri('/capture/'), methods=['GET', 'POST', 'PUT'])
|
||||
def capture():
|
||||
"""Return JSONified microscope state"""
|
||||
global microscope
|
||||
|
|
@ -173,5 +175,73 @@ def capture():
|
|||
|
||||
return jsonify(metadata_array)
|
||||
|
||||
|
||||
@app.route(uri('/capture/<capture_uuid>/'), methods=['GET', 'DELETE'])
|
||||
def get_capture(capture_uuid):
|
||||
"""Return JSONified capture by UUID"""
|
||||
global microscope
|
||||
|
||||
print(capture_uuid)
|
||||
capture_obj = microscope.camera.image_from_id(capture_uuid)
|
||||
|
||||
if not capture_obj:
|
||||
return abort(404) # 404 Not Found
|
||||
|
||||
# Get capture metadata
|
||||
capture_metadata = capture_obj.metadata
|
||||
|
||||
# Add API routes to returned metadata
|
||||
uri_dict = {
|
||||
'uri': {'metadata': uri('/capture/{}/'.format(capture_uuid))}
|
||||
}
|
||||
|
||||
# If available, also add download link
|
||||
if capture_metadata['available']:
|
||||
uri_dict['uri']['download'] = uri('/capture/{}/download'.format(capture_uuid))
|
||||
|
||||
capture_metadata.update(uri_dict)
|
||||
|
||||
if request.method == 'DELETE':
|
||||
print("DELETE NOT YET IMPLEMENETED")
|
||||
return jsonify(capture_metadata)
|
||||
|
||||
else: # GET requests
|
||||
return jsonify(capture_metadata)
|
||||
|
||||
|
||||
@app.route(uri('/capture/<capture_uuid>/download'), methods=['GET'])
|
||||
def download_capture(capture_uuid):
|
||||
"""Return capture file by UUID"""
|
||||
global microscope
|
||||
|
||||
print(capture_uuid)
|
||||
capture_obj = microscope.camera.image_from_id(capture_uuid)
|
||||
|
||||
if not capture_obj:
|
||||
return abort(404) # 404 Not Found
|
||||
|
||||
as_attachment = get_bool(request.args.get('as_attachment'))
|
||||
|
||||
return send_file(
|
||||
capture_obj.data,
|
||||
mimetype='image/jpeg',
|
||||
as_attachment=as_attachment,
|
||||
attachment_filename=capture_obj.filename)
|
||||
|
||||
@app.route(uri('/capture/<capture_uuid>/thumbnail'), methods=['GET'])
|
||||
def thumb_capture(capture_uuid):
|
||||
"""Return capture thumbnail by UUID"""
|
||||
global microscope
|
||||
|
||||
print(capture_uuid)
|
||||
capture_obj = microscope.camera.image_from_id(capture_uuid)
|
||||
|
||||
if not capture_obj:
|
||||
return abort(404) # 404 Not Found
|
||||
|
||||
return send_file(
|
||||
capture_obj.thumbnail,
|
||||
mimetype='image/jpeg')
|
||||
|
||||
if __name__ == '__main__':
|
||||
app.run(host='0.0.0.0', threaded=True, debug=True, use_reloader=False)
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue