1 package org.newdawn.slick;
2
3 import org.newdawn.slick.geom.Shape;
4 import org.newdawn.slick.geom.Vector2f;
5
6 import javax.annotation.Nonnull;
7
8 /**
9 * A filling method for a shape. This allows changing colours at shape vertices and
10 * modify they're positions as required
11 *
12 * @author kevin
13 */
14 public interface ShapeFill {
15
16 /**
17 * Get the colour that should be applied at the specified location
18 *
19 * @param shape The shape being filled
20 * @param x The x coordinate of the point being coloured
21 * @param y The y coordinate of the point being coloured
22 * @return The colour that should be applied based on the control points of this gradient
23 */
24 @Nonnull
25 public Color colorAt(Shape shape, float x, float y);
26
27 /**
28 * Get the offset for a vertex at a given location based on it's shape
29 *
30 * @param shape The shape being filled
31 * @param x The x coordinate of the point being drawn
32 * @param y The y coordinate of the point being drawn
33 * @return The offset to apply to this vertex
34 */
35 @Nonnull
36 public Vector2f getOffsetAt(Shape shape, float x, float y);
37 }