001    package railo.runtime.functions.image;
002    
003    import railo.runtime.PageContext;
004    import railo.runtime.exp.ExpressionException;
005    import railo.runtime.exp.PageException;
006    import railo.runtime.img.Image;
007    import railo.runtime.op.Caster;
008    import railo.runtime.type.Array;
009    
010    public class ImageDrawLines {
011    
012            public static String call(PageContext pc, Object name, Array xcoords, Array ycoords) throws PageException {
013                    return call(pc, name, xcoords, ycoords, false, false);
014            }
015    
016            public static String call(PageContext pc, Object name, Array xcoords, Array ycoords, boolean isPolygon) throws PageException {
017                    return call(pc, name, xcoords, ycoords, isPolygon, false);
018            }
019    
020            public static String call(PageContext pc, Object name, Array xcoords, Array ycoords, boolean isPolygon, boolean filled) throws PageException {
021                    if(name instanceof String) name=pc.getVariable(Caster.toString(name));
022                    Image img = Image.toImage(name);
023                    
024                    if(xcoords.size()!=ycoords.size())
025                            throw new ExpressionException("xcoords and ycoords has not the same size");
026                    img.drawLines(toIntArray(xcoords), toIntArray(ycoords), isPolygon, filled);
027                    return null;
028            }
029    
030            private static int[] toIntArray(Array arr) throws PageException {
031                    int[] iarr=new int[arr.size()];
032                    for(int i=0;i<iarr.length;i++) {
033                            iarr[i]=Caster.toIntValue(arr.getE(i+1));
034                    }
035                    return iarr;
036            }
037            
038    }