Kleinere Verbesserungen und Formatierungen

src/schule/ngb/zm/shapes/Arrow.java

@@ -1,6 +1,5 @@
 package schule.ngb.zm.shapes;
 
-import org.jetbrains.annotations.NotNull;
 import schule.ngb.zm.Options;
 import schule.ngb.zm.Vector;
 
@@ -30,7 +29,7 @@ public class Arrow extends Line {
 	 *
 	 * @param vector
 	 */
-	public Arrow( @NotNull Vector vector ) {
+	public Arrow( Vector vector ) {
 		this(0, 0, vector.x, vector.y);
 	}
 
@@ -41,7 +40,7 @@ public class Arrow extends Line {
 	 * @param vector1
 	 * @param vector2
 	 */
-	public Arrow( @NotNull Vector vector1, @NotNull Vector vector2 ) {
+	public Arrow( Vector vector1, Vector vector2 ) {
 		this(vector1.x, vector1.y, vector2.x, vector2.y);
 	}
 
@@ -53,7 +52,7 @@ public class Arrow extends Line {
 	 * @param y
 	 * @param vector
 	 */
-	public Arrow( double x, double y, @NotNull Vector vector ) {
+	public Arrow( double x, double y, Vector vector ) {
 		this(x, y, x + vector.x, y + vector.y);
 	}
 
@@ -62,7 +61,7 @@ public class Arrow extends Line {
 	 *
 	 * @param line
 	 */
-	public Arrow( @NotNull Line line ) {
+	public Arrow( Line line ) {
 		this(line.x, line.y, line.x2, line.y2);
 		this.copyFrom(line);
 	}

src/schule/ngb/zm/shapes/Circle.java

@@ -1,10 +1,11 @@
 package schule.ngb.zm.shapes;
 
+import schule.ngb.zm.Drawable;
 import schule.ngb.zm.Options;
 
 import java.awt.geom.Ellipse2D;
 
-public class Circle extends Shape {
+public class Circle extends Shape implements Drawable {
 
 	protected double radius;
 

src/schule/ngb/zm/shapes/CustomShape.java

@@ -1,7 +1,5 @@
 package schule.ngb.zm.shapes;
 
-import org.jetbrains.annotations.NotNull;
-
 import java.awt.geom.Path2D;
 
 public class CustomShape extends Shape {
@@ -15,7 +13,7 @@ public class CustomShape extends Shape {
 		path = new Path2D.Double();
 	}
 
-	public CustomShape( @NotNull CustomShape custom ) {
+	public CustomShape( CustomShape custom ) {
 		super(custom.x, custom.y);
 		path = custom.path;
 		calculateBounds();

src/schule/ngb/zm/shapes/FilledShape.java

@@ -14,6 +14,10 @@ public abstract class FilledShape extends StrokedShape {
 		fillColor = color;
 	}
 
+	public void setFillColor( Color color, int alpha ) {
+		fillColor = new Color(color, alpha);
+	}
+
 	public void setFillColor( int gray ) {
 		setFillColor(gray, gray, gray, 255);
 	}

src/schule/ngb/zm/shapes/Line.java

@@ -1,8 +1,5 @@
 package schule.ngb.zm.shapes;
 
-import org.jetbrains.annotations.NotNull;
-import schule.ngb.zm.Options;
-
 import java.awt.geom.Line2D;
 
 public class Line extends Shape {
@@ -17,7 +14,7 @@ public class Line extends Shape {
 		this.y2 = y2;
 	}
 
-	public Line( @NotNull Line line ) {
+	public Line(Line line) {
 		this(line.x, line.y, line.x2, line.y2);
 		copyFrom(line);
 	}
@@ -98,8 +95,10 @@ public class Line extends Shape {
 
 	@Override
 	public boolean equals(Object o) {
-		if( this == o ) return true;
+		if (this == o)
-		if( o == null || getClass() != o.getClass() ) return false;
+			return true;
+		if (o == null || getClass() != o.getClass())
+			return false;
 		Line pLine = (Line) o;
 		return super.equals(o) &&
 				Double.compare(pLine.x2, x2) == 0 &&

src/schule/ngb/zm/shapes/Shape.java

@@ -1,6 +1,5 @@
 package schule.ngb.zm.shapes;
 
-import org.jetbrains.annotations.NotNull;
 import schule.ngb.zm.Options;
 
 import java.awt.Color;

src/schule/ngb/zm/shapes/StrokedShape.java

@@ -24,6 +24,10 @@ public abstract class StrokedShape extends Constants implements Drawable {
 		this.strokeColor = color;
 	}
 
+	public void setStrokeColor( Color color , int alpha ) {
+		this.strokeColor = new Color(color, alpha);
+	}
+
 	public void setStrokeColor( int gray ) {
 		setStrokeColor(gray, gray, gray, 255);
 	}