//
// Flashempire MX Extension
//
// Copyright (C) Flashempire Interactive 2003
//
// Written by James Gao
//
// 2003-10-11
//
// http://www.flashempire.com
//
// mailto:getmail@flashempire.net
//
function configureTool() {
	var curr_toolObj = fl.tools.activeTool;
	curr_toolObj.setIcon("arrow90.png");
	curr_toolObj.setMenuString("Arrow 90 Tool");
	curr_toolObj.setToolName("Arrow 90 Tool");
	curr_toolObj.setToolTip("Flashempire Arrow 90 Tool");
	curr_toolObj.setOptionsFile("arrow90.xml");
}
function activate() {
	curr_toolObj = fl.tools.activeTool;
	thickness = curr_toolObj.thickness;
}
function notifySettingsChanged() {
	thickness = curr_toolObj.thickness;
}
function mouseDown() {
	startPoint = fl.tools.penDownLoc;
	fl.drawingLayer.beginDraw();
}
function mouseUp() {
	fl.drawingLayer.endDraw();
	arrow_path.makeShape();
}
function mouseMove() {
	if (fl.tools.mouseIsDown) {
		fl.drawingLayer.beginFrame();
		var penPoint = fl.tools.penLoc;
		penPoint = fl.tools.snapPoint(penPoint);
		constrain45(startPoint, penPoint);
		var w = penPoint.x-startPoint.x;
		var h = penPoint.y-startPoint.y;
		flagx = (w>0) ? 1:-1;
		flagy = (h>0) ? 1:-1;
		dx = thickness*w/Math.sqrt(h*h+w*w)*flagx;
		dy = thickness*h/Math.sqrt(h*h+w*w)*flagy;
		var points = new Array();
		points[0] = {x:startPoint.x, y:startPoint.y};
		points[1] = {x:startPoint.x+w, y:startPoint.y};
		points[2] = {x:startPoint.x+w, y:startPoint.y+thickness*flagy};
		points[3] = {x:startPoint.x+(thickness+dx)*flagx, y:startPoint.y+thickness*flagy};
		points[4] = {x:startPoint.x+w, y:startPoint.y+h-dy*flagy};
		points[5] = {x:startPoint.x+w-dx*flagx, y:startPoint.y+h};
		points[6] = {x:startPoint.x+thickness*flagx, y:startPoint.y+(thickness+dy)*flagy};
		points[7] = {x:startPoint.x+thickness*flagx, y:startPoint.y+h};
		points[8] = {x:startPoint.x, y:startPoint.y+h};
		points[9] = {x:startPoint.x, y:startPoint.y};
		arrow_path = fl.drawingLayer.newPath();
		for (var i = 0; i<points.length; i++) {
			arrow_path.addPoint(points[i].x, points[i].y);
		}
		arrow_path.close();
		fl.drawingLayer.drawPath(arrow_path);
		fl.drawingLayer.endFrame();
	}
}
function constrain45(p1, p2) {
	if (fl.tools.shiftIsDown) {
		var dx = Math.abs(p2.x-p1.x);
		var dy = Math.abs(p2.y-p1.y);
		var offset = Math.max(dx, dy);
		if (p2.y<p1.y) {
			p2.y = p1.y-offset;
		} else {
			p2.y = p1.y+offset;
		}
		if (p2.x>p1.x) {
			p2.x = p1.x+offset;
		} else {
			p2.x = p1.x-offset;
		}
	}
}