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/*
* ====================================================================
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ====================================================================
*/
package org.apache.poi.sl.draw.geom;
import static java.lang.Math.*;
import java.util.Objects;
import java.util.regex.Pattern;
/**
* Java class for CT_GeomGuide complex type.
*
*
The following schema fragment specifies the expected content contained within this class.
*
*
* <complexType name="CT_GeomGuide">
* <complexContent>
* <restriction base="{http://www.w3.org/2001/XMLSchema}anyType">
* <attribute name="name" use="required" type="{http://schemas.openxmlformats.org/drawingml/2006/main}ST_GeomGuideName" />
* <attribute name="fmla" use="required" type="{http://schemas.openxmlformats.org/drawingml/2006/main}ST_GeomGuideFormula" />
* </restriction>
* </complexContent>
* </complexType>
*
*
*
*/
// @XmlAccessorType(XmlAccessType.FIELD)
// @XmlType(name = "CT_GeomGuide")
public class Guide implements Formula {
enum Op {
muldiv,addsub,adddiv,ifelse,val,abs,sqrt,max,min,at2,sin,cos,tan,cat2,sat2,pin,mod
}
private static final Pattern WHITESPACE = Pattern.compile("\\s+");
// @XmlAttribute(name = "name", required = true)
// @XmlJavaTypeAdapter(CollapsedStringAdapter.class)
private String name;
// @XmlAttribute(name = "fmla", required = true)
private String fmla;
private Op op;
private String[] operands;
public String getName(){
return name;
}
public void setName(String name) {
this.name = name;
}
public String getFmla() {
return fmla;
}
public void setFmla(String fmla) {
this.fmla = fmla;
operands = WHITESPACE.split(fmla);
switch (operands[0]) {
case "*/": op = Op.muldiv; break;
case "+-": op = Op.addsub; break;
case "+/": op = Op.adddiv; break;
case "?:": op = Op.ifelse; break;
default: op = Op.valueOf(operands[0]); break;
}
}
@Override
public double evaluate(Context ctx) {
double x = (operands.length > 1) ? ctx.getValue(operands[1]) : 0;
double y = (operands.length > 2) ? ctx.getValue(operands[2]) : 0;
double z = (operands.length > 3) ? ctx.getValue(operands[3]) : 0;
switch (op) {
case abs:
// Absolute Value Formula
return abs(x);
case adddiv:
// Add Divide Formula
return (z == 0) ? 0 : (x + y) / z;
case addsub:
// Add Subtract Formula
return (x + y) - z;
case at2:
// ArcTan Formula: "at2 x y" = arctan( y / z ) = value of this guide
return toDegrees(atan2(y, x)) * OOXML_DEGREE;
case cos:
// Cosine Formula: "cos x y" = (x * cos( y )) = value of this guide
return x * cos(toRadians(y / OOXML_DEGREE));
case cat2:
// Cosine ArcTan Formula: "cat2 x y z" = (x * cos(arctan(z / y) )) = value of this guide
return x * cos(atan2(z, y));
case ifelse:
// If Else Formula: "?: x y z" = if (x > 0), then y = value of this guide,
// else z = value of this guide
return x > 0 ? y : z;
case val:
// Literal Value Expression
return x;
case max:
// Maximum Value Formula
return max(x, y);
case min:
// Minimum Value Formula
return min(x, y);
case mod:
// Modulo Formula: "mod x y z" = sqrt(x^2 + b^2 + c^2) = value of this guide
return sqrt(x*x + y*y + z*z);
case muldiv:
// Multiply Divide Formula
return (z == 0) ? 0 : (x * y) / z;
case pin:
// Pin To Formula: "pin x y z" = if (y < x), then x = value of this guide
// else if (y > z), then z = value of this guide
// else y = value of this guide
return max(x, min(y, z));
case sat2:
// Sine ArcTan Formula: "sat2 x y z" = (x*sin(arctan(z / y))) = value of this guide
return x * sin(atan2(z, y));
case sin:
// Sine Formula: "sin x y" = (x * sin( y )) = value of this guide
return x * sin(toRadians(y / OOXML_DEGREE));
case sqrt:
// Square Root Formula: "sqrt x" = sqrt(x) = value of this guide
return sqrt(x);
case tan:
// Tangent Formula: "tan x y" = (x * tan( y )) = value of this guide
return x * tan(toRadians(y / OOXML_DEGREE));
default:
return 0;
}
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
Guide guide = (Guide) o;
return Objects.equals(name, guide.name) &&
Objects.equals(fmla, guide.fmla);
}
@Override
public int hashCode() {
return Objects.hash(name, fmla);
}
}