| Line | Hits | Source |
|---|---|---|
| 1 | /* | |
| 2 | * Copyright (c) 2005, the JUNG Project and the Regents of the University of | |
| 3 | * California All rights reserved. | |
| 4 | * | |
| 5 | * This software is open-source under the BSD license; see either "license.txt" | |
| 6 | * or http://jung.sourceforge.net/license.txt for a description. | |
| 7 | * | |
| 8 | * Created on Jul 11, 2005 | |
| 9 | */ | |
| 10 | ||
| 11 | package edu.uci.ics.jung.visualization.transform.shape; | |
| 12 | ||
| 13 | import java.awt.Graphics; | |
| 14 | import java.awt.Graphics2D; | |
| 15 | import java.awt.Rectangle; | |
| 16 | import java.awt.Shape; | |
| 17 | ||
| 18 | import edu.uci.ics.jung.visualization.transform.HyperbolicTransformer; | |
| 19 | import edu.uci.ics.jung.visualization.transform.Transformer; | |
| 20 | ||
| 21 | ||
| 22 | /** | |
| 23 | * subclassed to pass certain operations thru the transformer | |
| 24 | * before the base class method is applied | |
| 25 | * This is useful when you want to apply non-affine transformations | |
| 26 | * to the Graphics2D used to draw elements of the graph. | |
| 27 | * | |
| 28 | * @author Tom Nelson - RABA Technologies | |
| 29 | * | |
| 30 | * | |
| 31 | */ | |
| 32 | public class TransformingGraphics extends GraphicsDecorator { | |
| 33 | ||
| 34 | /** | |
| 35 | * the transformer to apply | |
| 36 | */ | |
| 37 | protected Transformer transformer; | |
| 38 | ||
| 39 | public TransformingGraphics(Transformer transformer) { | |
| 40 | 0 | this(transformer, null); |
| 41 | 0 | } |
| 42 | ||
| 43 | public TransformingGraphics(Transformer transformer, Graphics2D delegate) { | |
| 44 | 0 | super(delegate); |
| 45 | 0 | this.transformer = transformer; |
| 46 | 0 | } |
| 47 | ||
| 48 | /** | |
| 49 | * @return Returns the transformer. | |
| 50 | */ | |
| 51 | public Transformer getTransformer() { | |
| 52 | 0 | return transformer; |
| 53 | } | |
| 54 | ||
| 55 | /** | |
| 56 | * @param transformer The transformer to set. | |
| 57 | */ | |
| 58 | public void setTransformer(Transformer transformer) { | |
| 59 | 0 | this.transformer = transformer; |
| 60 | 0 | } |
| 61 | ||
| 62 | /** | |
| 63 | * transform the shape before letting the delegate draw it | |
| 64 | */ | |
| 65 | public void draw(Shape s) { | |
| 66 | 0 | Shape shape = ((ShapeTransformer)transformer).transform(s); |
| 67 | 0 | delegate.draw(shape); |
| 68 | 0 | } |
| 69 | ||
| 70 | public void draw(Shape s, float flatness) { | |
| 71 | 0 | Shape shape = null; |
| 72 | 0 | if(transformer instanceof HyperbolicTransformer) { |
| 73 | 0 | shape = ((HyperbolicShapeTransformer)transformer).transform(s, flatness); |
| 74 | } else { | |
| 75 | 0 | shape = ((ShapeTransformer)transformer).transform(s); |
| 76 | } | |
| 77 | 0 | delegate.draw(shape); |
| 78 | ||
| 79 | 0 | } |
| 80 | ||
| 81 | /** | |
| 82 | * transform the shape before letting the delegate fill it | |
| 83 | */ | |
| 84 | public void fill(Shape s) { | |
| 85 | 0 | Shape shape = ((ShapeTransformer)transformer).transform(s); |
| 86 | 0 | delegate.fill(shape); |
| 87 | 0 | } |
| 88 | ||
| 89 | public void fill(Shape s, float flatness) { | |
| 90 | 0 | Shape shape = null; |
| 91 | 0 | if(transformer instanceof HyperbolicTransformer) { |
| 92 | 0 | shape = ((HyperbolicShapeTransformer)transformer).transform(s, flatness); |
| 93 | } else { | |
| 94 | 0 | shape = ((ShapeTransformer)transformer).transform(s); |
| 95 | } | |
| 96 | 0 | delegate.fill(shape); |
| 97 | 0 | } |
| 98 | ||
| 99 | /** | |
| 100 | * transform the shape before letting the delegate apply 'hit' | |
| 101 | * with it | |
| 102 | */ | |
| 103 | public boolean hit(Rectangle rect, Shape s, boolean onStroke) { | |
| 104 | 0 | Shape shape = ((ShapeTransformer)transformer).transform(s); |
| 105 | 0 | return delegate.hit(rect, shape, onStroke); |
| 106 | } | |
| 107 | ||
| 108 | public Graphics create() { | |
| 109 | 0 | return delegate.create(); |
| 110 | } | |
| 111 | ||
| 112 | public void dispose() { | |
| 113 | 0 | delegate.dispose(); |
| 114 | 0 | } |
| 115 | ||
| 116 | } |
|
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