/
BoundingBoxView.js
65 lines (51 loc) · 1.23 KB
/
BoundingBoxView.js
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module.exports = BoundingBoxView;
function BoundingBoxView(boundingBox) {
this.x1 = this.minX = boundingBox.x1 || 0;
this.y1 = this.minY = boundingBox.y1 || 0;
this.x2 = this.maxX = boundingBox.x2 || 0;
this.y2 = this.maxY = boundingBox.y2 || 0;
this.width = boundingBox.width() || 0;
this.height = boundingBox.height() || 0;
}
BoundingBoxView.prototype = {
round: function(precision) {
precision = precision || 0;
this.x1 = this.minX = +this.x1.toFixed(precision);
this.y1 = this.minY = +this.y1.toFixed(precision);
this.x2 = this.maxX = +this.x2.toFixed(precision);
this.y2 = this.maxY = +this.y2.toFixed(precision);
this.width = +this.width.toFixed(precision);
this.height = +this.height.toFixed(precision);
return this;
},
scale: function(scale) {
var
self = this;
scale = scale || 1;
[
'x1',
'minX',
'y1',
'minY',
'x2',
'maxX',
'y2',
'maxY',
'width',
'height'
]
.forEach(function(name) {
self[name] = self[name] * scale;
});
return this;
},
toString: function() {
return [
this.minX,
this.minY,
this.width,
this.height
]
.join(' ');
}
};