org.openpdf.renderer.function.postscript.operation.Ge Maven / Gradle / Ivy

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PDF renderer implementation supporting the subset of PDF 1.4 specification.

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package org.openpdf.renderer.function.postscript.operation;

import java.util.Stack;


final class Ge implements PostScriptOperation {
	@Override
	/**
	 * num1 num2 ge bool 
	 *
	 * pops two objects from the operand stack and pushes true
	 * if the first operand is greater than or equal to the second,
	 * or false otherwise. If both operands are numbers,
	 * ge compares their mathematical values. If both operands
	 * are strings, ge compares them element by element, treating
	 * the elements as integers in the range 0 to 255, to determine
	 * whether the first string is lexically greater than or equal
	 * to the second. If the operands are of other types or one
	 * is a string and the other is a number, a typecheck
	 * error occurs. 

	 *
	 * errors: invalidaccess, stackunderflow, typecheck
	 */
	public void eval(Stack