Current File : //proc/985914/root/data/old/home/stash/stash/atlassian-stash/static/feature/moustash/moustash.js
define('feature/moustash', [
'aui',
'jquery',
'underscore',
'exports'
], function(
AJS,
$,
_,
exports
) {
var ready = false;
var moustashImg;
var POSITIONING = {
MIN_CANVAS_WIDTH: 0.1, // min face/canvas width
M_F_WIDTH: 0.9, // moustash width as percentage of face width
M_F_HEIGHT: 0.2, // moustash height as percentage of face height
M_F_LEFT: 0.05, // moustash position from left of face as percentage of face width
M_F_TOP: 0.675 // moustash position from top of face as percentage of face height
};
function _loadFaceDetectionResources() {
var faceDetectionResourceKey = 'com.atlassian.stash.stash-web-plugin:face-detection';
return WRM.require('wr!' + faceDetectionResourceKey);
}
function _loadMoustashImg() {
var imgPromise = $.Deferred();
moustashImg = new Image();
moustashImg.onload = function() {
imgPromise.resolve();
};
moustashImg.src = AJS.contextPath() + '/s/1/_/download/resources/com.atlassian.stash.stash-web-plugin:moustash/moustash.png';
return imgPromise;
}
function loadResources() {
return $.when(_loadFaceDetectionResources(), _loadMoustashImg()).done(function() {
ready = true;
});
}
function isReady() {
return ready;
}
function addToFaces(canvas) {
if (!isReady()) {
throw new Error('Face-detection resources not loaded yet');
}
var ccv = require('lib/ccv/ccv');
var faceCascade = require('lib/ccv/face-cascade');
var faces = ccv.detect_objects({
canvas: canvas,
cascade: faceCascade,
interval: 5,
min_neighbors: 1
});
var ctx = canvas.getContext('2d');
_.each(faces, _.bind(function(face) {
if (face.width/canvas.width > POSITIONING.MIN_CANVAS_WIDTH) {
var y = face.y + face.height * POSITIONING.M_F_TOP;
var x = face.x + face.width * POSITIONING.M_F_LEFT;
var width = face.width * POSITIONING.M_F_WIDTH;
var height = face.height * POSITIONING.M_F_HEIGHT;
ctx.drawImage(moustashImg, x, y, width, height);
}
}));
}
exports.loadResources = _.once(loadResources);
exports.isReady = isReady;
exports.addToFaces = addToFaces;
});
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