pen.js

来自「JSVM核心类库,收集了JAVA进行JSVM开发必用技术进行归纳,在实际项目应用」· JavaScript 代码 · 共 99 行

// Description:	js.graphics.Pen 类;画笔(封装VML)
// Author:	Changhua.Wan
// Version:	2004.02.02.09


_package("js.graphics");

_import("js.lang.Object");
_import("js.graphics.Point");

function js.graphics.Pen() {

	this.color = "#000000";
	this.lineWidth = 1;
	this.lineStyle = null;	//枚举型 {"Single","ThinThin","ThinThick","ThickBetweenThin"}
	this.dashStyle = null;	//枚举型 {"Solid","ShortDash","ShortDot","ShortDashDot","ShortDashDotDot","Dot","Dash","LongDash","DashDot","LongDashDot","LongDashDotDot"}
	this.endArrow = null;	//枚举型 {Block","Classic","Diamond","Oval","Open"}
	this.startArrow = null;
	this.fontSize = 9;
}
var _p = js.graphics.Pen._extends("js.lang.Object");

_p.createLine = function() {
	var line = document.createElement('v:line');
	line.strokeweight = this.lineWidth + "px";
	line.strokecolor = this.color;
	var stroke = document.createElement('v:stroke');
	if (this.lineStyle != null) stroke.linestyle = this.lineStyle;
	if (this.dashStyle != null) stroke.dashstyle = this.dashStyle;
	if (this.startArrow != null) stroke.startarrow = this.startArrow;
	if (this.endArrow != null) stroke.endarrow = this.endArrow;
	line.appendChild(stroke);
	return line;
};
_p.createPolyLine = function() {
	var line = document.createElement('v:polyline');
	line.strokeweight = this.lineWidth + "px";
	line.strokecolor = this.color;
	var stroke = document.createElement('v:stroke');
	if (this.lineStyle != null) stroke.linestyle = this.lineStyle;
	if (this.dashStyle != null) stroke.dashstyle = this.dashStyle;
	if (this.startArrow != null) stroke.startarrow = this.startArrow;
	if (this.endArrow != null) stroke.endarrow = this.endArrow;
	line.appendChild(stroke);
	return line;
};
_p.createRect = function(_w, _h) {
	var rect = document.createElement('v:rect');
	rect.strokecolor = this.color;
	rect.style.width = _w;
	rect.style.height = _h;
	return rect;
};
_p.createRoundRect = function(_w, _h) {
	var rect = document.createElement('v:roundrect');
	rect.strokecolor = this.color;
	rect.strokeweight = this.lineWidth + "px";
	rect.style.width = _w;
	rect.style.height = _h;
	return rect;
};
_p.createOval = function(_w, _h) {
	var oval = document.createElement('v:oval');
	oval.style.width = _w;
	oval.style.height = _h;
	oval.strokecolor = this.color;
	oval.strokeweight = this.lineWidth + "px";
	return oval;
};
_p.createCurve = function(_points) {
	var curve = document.createElement('v:curve');
	curve.from = _points[0].toString();
	curve.to = _points[_points.length - 1].toString();
	for (var i = 1; i < _points.length - 1; i++)
		curve.setAttribute("control" + i, _points[i].toString());
	curve.strokecolor = this.color;
	curve.strokeweight = this.lineWidth + "px";
	return curve;
};
_p.createArc = function(_width, _height, _startangle, _endangle) {
	var arc = document.createElement('v:arc');
	arc.style.width = _width;
	arc.style.height = _height;
	arc.startangle = _startangle;
	arc.endangle = _endangle;
	arc.strokecolor = this.color;
	arc.strokeweight = this.lineWidth + "px";
	return arc;
};
_p.createShape = function(_width, _height, _path) {
	var shape = document.createElement('v:shape');
	shape.style.width = _width;
	shape.style.height = _height;
	shape.strokeweight = this.lineWidth + "px";
	shape.strokecolor = this.color;
	shape.path = _path;
	return shape;
};