piskel/js/drawingtools/selectiontools/ShapeSelect.js

/*
 * @provide pskl.drawingtools.ShapeSelect
 *
 * @require pskl.utils
 */
(function() {
	var ns = $.namespace("pskl.drawingtools");

	ns.ShapeSelect = function() {
		this.toolId = "tool-shape-select";
		this.helpText = "Shape selection tool";
		
		ns.BaseSelect.call(this);
	};

	pskl.utils.inherit(ns.ShapeSelect, ns.BaseSelect);
	

	/**
	 * For the shape select tool, you just need to click one time to create a selection.
	 * So we jsut need to implement onSelectStart_ (no need for onSelect_ & onSelectEnd_)
	 * @override
	 */
	ns.ShapeSelect.prototype.onSelectStart_ = function (col, row, color, frame, overlay) {
		// Clean previous selection:
		$.publish(Events.SELECTION_DISMISSED);
		overlay.clear();
		
		// From the pixel cliked, get shape using an algorithm similar to the paintbucket one:
		var pixels = pskl.PixelUtils.getSimilarConnectedPixelsFromFrame(frame, col, row);
		var selection = new pskl.selection.ShapeSelection(pixels);

		$.publish(Events.SELECTION_CREATED, [selection]);
		this.drawSelectionOnOverlay_(selection, overlay);
	};

})();