/**
* @file 寻找关键点
* @author mengke01(kekee000@gmail.com)
*/
define(
function (require) {
var reducePoints = require('graphics/image/contour/reducePoints');
var findBreakPoints = require('graphics/image/contour/findBreakPoints');
var pathUtil = require('graphics/pathUtil');
var data = require('demo/../data/image-contours-circle');
var entry = {
/**
* 初始化
*/
init: function () {
var breakPoints = [];
var html = '';
data.forEach(function(c) {
c.splice(c.length - 1, 1);
});
data.forEach(function (contour) {
contour.forEach(function(p) {
html += '';
});
});
$('#points').html(html);
data.forEach(function (contour) {
pathUtil.scale(contour, 2);
var ctr = reducePoints(contour, 0, contour.length - 1, 2);
var points = findBreakPoints(ctr, 2);
breakPoints = breakPoints.concat(ctr);
pathUtil.scale(contour, 0.5);
});
html = '';
for (var i = 0, l = breakPoints.length; i < l; i++) {
var c = "";
var p = breakPoints[i];
if (p.breakPoint) {
c = 'break';
}
else if (p.apex) {
c = 'apex';
}
else if(p.inflexion) {
c = 'inflexion';
}
else if(p.tangency) {
c = 'tangency';
}
var width = '';
if (p.right == 1) {
width = 'width: 4px;height: 4px';
}
html += '';
}
$('#points-break').html(html);
}
};
entry.init();
return entry;
}
);