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Commit a6bbe886 authored by Gabriel Monnerat's avatar Gabriel Monnerat
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erp5_document_scanner: Extend code to apply filters in image with Caman

parent 1454d77f
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Showing with 43 additions and 55 deletions
bt5/erp5_document_scanner/PathTemplateItem/web_page_module/rjs_gadget_document_scanner_js.js
View file @ a6bbe886
/*jslint indent: 2, unparam: true */
/*global rJS, RSVP, window, document, navigator, Cropper, Promise, JSON, jIO, promiseEventListener, domsugar, createImageBitmap, FormData, Caman*/
(function (rJS, RSVP, window, document, navigator, Cropper, Promise, JSON, jIO, promiseEventListener, domsugar, createImageBitmap, FormData, Caman) {
/*global rJS, RSVP, window, document, navigator, Cropper, Promise, JSON, jIO, promiseEventListener, domsugar, createImageBitmap, FormData, Caman, URL, File*/
(function (rJS, RSVP, window, document, navigator, Cropper, Promise, JSON, jIO, promiseEventListener, domsugar, createImageBitmap, FormData, Caman, URL, File) {
"use strict";
//////////////////////////////////////////////////
......@@ -50,7 +50,7 @@
return new RSVP.Promise(waitForStream, canceller);
}
function handleCropper(gadget, element, data, settings, callback) {
function handleCropper(element, data, callback) {
var cropper,
queue = new RSVP.Queue(),
img = domsugar("img"),
......@@ -60,50 +60,6 @@
cropper.destroy();
}
if (settings.brightness || settings.contrast || settings.enable_greyscale || settings.compression) {
return new RSVP.Queue()
.push(function () {
return new Promise(function (resolve) {
Caman(canvas, element, function () {
if (settings.brightness !== 0) {
this.brightness(data.brightness);
}
if (settings.contrast !== 0) {
this.contrast(data.contrast);
}
if (settings.enable_greyscale) {
this.greyscale();
}
this.render(function () {
resolve(canvas.toDataURL("image/jpeg", settings.compression));
});
});
});
})
.push(function (data_str) {
img.setAttribute("src", data_str);
// creating Cropper is asynchronous
return new RSVP.Promise(function (resolve, reject) {
cropper = new Cropper(img, {
data: data,
ready: function () {
return new RSVP.Queue()
.push(function () {
return callback(cropper);
})
.push(undefined, function (error) {
if (!(error instanceof RSVP.CancellationError)) {
canceller();
reject(error);
}
});
}
});
}, canceller);
});
}
// creating Cropper is asynchronous
return new RSVP.Promise(function (resolve, reject) {
cropper = new Cropper(element, {
......@@ -337,7 +293,10 @@
// Capture the media stream
function captureAndRenderPicture(gadget) {
var image_capture = new window.ImageCapture(
var file,
settings = gadget.state.preferred_image_settings_data,
data = gadget.state.preferred_cropped_canvas_data,
image_capture = new window.ImageCapture(
gadget.element.querySelector('video').srcObject.getVideoTracks()[0]
),
div;
......@@ -351,6 +310,38 @@
})
.push(function (blob) {
gadget.detached_promise_dict.media_stream.cancel('Not needed anymore, as captured');
if (settings.brightness || settings.contrast || settings.enable_greyscale || settings.compression) {
return new RSVP.Queue()
.push(function () {
return jIO.util.readBlobAsDataURL(blob);
})
.push(function (result) {
var canvas = domsugar('canvas', {'class': 'canvas'});
return new Promise(function (resolve) {
// XXX the correct usage is `new Caman()` but the library does not support it
Caman(canvas, result.target.result, function () {
if (settings.brightness && settings.brightness !== 0) {
this.brightness(settings.brightness);
}
if (settings.contrast && settings.contrast !== 0) {
this.contrast(settings.contrast);
}
if (settings.enable_greyscale) {
this.greyscale();
}
this.render(function () {
canvas.toBlob(function (blob) {
resolve(blob);
});
});
});
});
});
} else {
return blob;
}
})
.push(function (blob) {
return RSVP.all([
gadget.getTranslationList(["Delete", "Save"]),
createImageBitmap(blob),
......@@ -361,7 +352,6 @@
var bitmap = result_list[1],
canvas = domsugar('canvas', {'class': 'canvas'}),
defer = RSVP.defer();
// Prepare the cropper canvas
canvas.width = bitmap.width;
canvas.height = bitmap.height;
......@@ -393,10 +383,8 @@
gadget.element.replaceChild(div, gadget.element.firstElementChild);
addDetachedPromise(gadget, 'cropper',
handleCropper(gadget,
canvas,
handleCropper(canvas,
gadget.state.preferred_cropped_canvas_data,
gadget.state.preferred_image_settings_data,
defer.resolve));
return defer.promise;
})
......@@ -712,4 +700,4 @@
.declareAcquiredMethod("getTranslationList", "getTranslationList");
}(rJS, RSVP, window, document, navigator, Cropper, Promise, JSON, jIO, promiseEventListener, domsugar, createImageBitmap, FormData, Caman));
\ No newline at end of file
}(rJS, RSVP, window, document, navigator, Cropper, Promise, JSON, jIO, promiseEventListener, domsugar, createImageBitmap, FormData, Caman, URL, File));
\ No newline at end of file
bt5/erp5_document_scanner/PathTemplateItem/web_page_module/rjs_gadget_document_scanner_js.xml
View file @ a6bbe886
......@@ -244,7 +244,7 @@
</item>
<item>
<key> <string>serial</string> </key>
<value> <string>981.51308.5350.25326</string> </value>
<value> <string>981.52410.59293.63010</string> </value>
</item>
<item>
<key> <string>state</string> </key>
......@@ -262,7 +262,7 @@
</tuple>
<state>
<tuple>
<float>1581468361.42</float>
<float>1581534665.68</float>
<string>UTC</string>
</tuple>
</state>
......
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