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Copy pathDrawableObject.java
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204 lines (171 loc) · 4.54 KB
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package com.sin.java.plot.model;
import java.awt.Color;
/**
* 可绘制对象
*
* @author RobinTang
*
*/
public class DrawableObject {
public double[] x = null;
public double[] y = null;
public DrawableType type;
public DrawableAttribute attribute;
public boolean show = true;
// 内部标记
private boolean dataUpdated; // 数据是否被更新过
// 全局静态属性
private double suitableHorizon = 0.9; // 视野（最佳视野时用到）
public DrawableObject(double[] x, double[] y) {
this(x, y, DrawableType.Line, new DrawableAttribute());
}
public DrawableObject(double[] x, double[] y, DrawableType type, DrawableAttribute attribute) {
this.initDrawableObject(x, y, type, attribute);
}
public DrawableObject(double[] x, double[] y, String pams) {
this.initDrawableObject(x, y, pams);
}
public DrawableObject(int x, int y, String pams) {
this.initDrawableObject(new double[] { x }, new double[] { y }, pams);
}
public DrawableObject(double[] y) {
this(y, "");
}
public DrawableObject(double[] y, String pams) {
int len = y.length;
double[] x = new double[len];
for (int i = 0; i < len; ++i) {
x[i] = (double) i;
}
this.initDrawableObject(x, y, pams);
}
public void initDrawableObject(double[] x, double[] y, String pams) {
this.setData(x, y);
this.setAttribute(pams);
}
public void setAttribute(String pams){
DrawableType type = null;
DrawableAttribute attb = new DrawableAttribute();
pams = pams.toLowerCase();
if (pams.indexOf("-") >= 0) {
type = DrawableType.Line;
} else if (pams.indexOf("*") >= 0) {
type = DrawableType.Mark;
} else if (pams.indexOf("o") >= 0) {
type = DrawableType.Point;
} else if (pams.indexOf("n") >= 0) {
type = DrawableType.Columnar;
} else if (pams.indexOf("$") >= 0) {
type = DrawableType.MarkLine;
} else if (pams.indexOf("z") >= 0) {
type = DrawableType.Step;
} else {
type = DrawableType.Line;
}
if (pams.indexOf("r") >= 0) {
attb.lineColor = Color.red;
attb.fillColor = attb.lineColor;
} else if (pams.indexOf("g") >= 0) {
attb.lineColor = Color.green;
attb.fillColor = attb.lineColor;
} else if (pams.indexOf("b") >= 0) {
attb.lineColor = Color.blue;
attb.fillColor = attb.lineColor;
}
this.type = type;
this.attribute = attb;
}
private void initDrawableObject(double[] x, double[] y, DrawableType type, DrawableAttribute attribute) {
this.type = type;
this.attribute = attribute;
this.setData(x, y);
}
/*
* 设置数据
*/
private void setData(double[] x, double[] y) {
int len = x.length;
this.x = new double[len];
this.y = new double[len];
System.arraycopy(x, 0, this.x, 0, len);
System.arraycopy(y, 0, this.y, 0, len);
this.dataUpdated = true;
}
// 对外方法
/*
* 复制对象
*/
public DrawableObject copy(){
return new DrawableObject(x, y, type, attribute.copy());
}
/*
* 获取数据长度
*/
public int length() {
return this.x != null ? this.x.length : 0;
}
private double maxX;
private double maxY;
private double minX;
private double minY;
/*
* 计算极值
*/
private void reLimitValue() {
maxX = minX = this.x[0];
maxY = minY = this.y[0];
int len = this.length();
for (int i = 0; i < len; ++i) {
if (this.x[i] < minX)
minX = this.x[i];
if (this.x[i] > maxX)
maxX = this.x[i];
if (this.y[i] < minY)
minY = this.y[i];
if (this.y[i] > maxY)
maxY = this.y[i];
}
this.dataUpdated = false;
}
// 获取极值
public double getMaxX() {
if (this.dataUpdated)
this.reLimitValue();
return maxX;
}
public double getMaxY() {
if (this.dataUpdated)
this.reLimitValue();
return maxY;
}
public double getMinX() {
if (this.dataUpdated)
this.reLimitValue();
return minX;
}
public double getMinY() {
if (this.dataUpdated)
this.reLimitValue();
return minY;
}
// 获取最佳视野位置
public double suitableSX(){
return getMinX()-getWidth()*(1-suitableHorizon)/2;
}
public double suitableEX(){
return getMaxX()+getWidth()*(1-suitableHorizon)/2;
}
public double suitableSY(){
return getMinY()-getHeight()*(1-suitableHorizon)/2;
}
public double suitableEY(){
return getMaxY()+getHeight()*(1-suitableHorizon)/2;
}
// 范围
public double getWidth() {
return this.getMaxX() - this.getMinX();
}
public double getHeight() {
return this.getMaxY() - this.getMinY();
}
}