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comparison flys-artifacts/src/main/java/de/intevation/flys/jfree/StyledAreaSeriesCollection.java @ 3786:4adc35aa655c

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merged flys-artifacts/2.9.1
author Thomas Arendsen Hein <thomas@intevation.de>
date Fri, 28 Sep 2012 12:14:47 +0200
parents cd5eb8f5f6f1
children 940cd2ef149f
comparison
equal deleted inserted replaced
3719:e82acd5c86f7 3786:4adc35aa655c
1 package de.intevation.flys.jfree;
2
3 import java.awt.BasicStroke;
4 import java.awt.Color;
5 import java.awt.Stroke;
6
7 import org.apache.log4j.Logger;
8 import org.jfree.data.xy.XYSeriesCollection;
9 import org.w3c.dom.Document;
10
11 import de.intevation.flys.themes.ThemeAccess;
12 import de.intevation.flys.utils.ThemeUtil;
13
14
15 /**
16 * One or more dataseries to draw a polygon (either "open up/downwards", or
17 * the area between two curves), a theme-document and further display options.
18 * The theme-document will later "style" the graphical representation.
19 * The display options can be used to control the z-order and the axis of the
20 * dataset.
21 */
22 public class StyledAreaSeriesCollection extends XYSeriesCollection {
23 /** Mode, how to draw/which areas to fill. */
24 public enum FILL_MODE {UNDER, ABOVE, BETWEEN};
25
26 /** MODE in use. */
27 protected FILL_MODE mode;
28
29 /** The theme-document with attributes about actual visual representation. */
30 protected Document theme;
31
32 /** Own logger. */
33 private static final Logger logger =
34 Logger.getLogger(StyledAreaSeriesCollection.class);
35
36
37 /**
38 * @param theme the theme-document.
39 */
40 public StyledAreaSeriesCollection(Document theme) {
41 this.theme = theme;
42 this.mode = FILL_MODE.BETWEEN;
43 }
44
45
46 /** Gets the Fill mode. */
47 public FILL_MODE getMode() {
48 return this.mode;
49 }
50
51
52 /** Sets the Fill mode. */
53 public void setMode(FILL_MODE fMode) {
54 this.mode = fMode;
55 }
56
57
58 /**
59 * Applies line color, size and type attributes to renderer, also
60 * whether to draw lines and/or points.
61 * @param renderer Renderer to apply theme to.
62 * @return \param renderer
63 */
64 public StableXYDifferenceRenderer applyTheme(
65 StableXYDifferenceRenderer renderer
66 ) {
67 applyFillColor(renderer);
68 applyShowShape(renderer);
69 applyOutlineColor(renderer);
70 applyOutlineStyle(renderer);
71 applyShowArea(renderer);
72 if (mode == FILL_MODE.UNDER) {
73 renderer.setAreaCalculationMode(StableXYDifferenceRenderer.CALCULATE_NEGATIVE_AREA);
74 }
75 else if (mode == FILL_MODE.ABOVE) {
76 renderer.setAreaCalculationMode(StableXYDifferenceRenderer.CALCULATE_POSITIVE_AREA);
77 }
78 else {
79 renderer.setAreaCalculationMode(StableXYDifferenceRenderer.CALCULATE_ALL_AREA);
80 }
81
82 // Apply text style.
83 new ThemeAccess(theme).parseTextStyle().apply(renderer);
84 return renderer;
85 }
86
87
88 /**
89 * Blindly (for now) apply the positivepaint of renderer.
90 */
91 protected void applyFillColor(StableXYDifferenceRenderer renderer) {
92 // Get color.
93 Color paint = ThemeUtil.parseFillColorField(theme);
94 // Get half-transparency flag.
95 if (ThemeUtil.parseTransparency(theme)) {
96 paint = new Color(paint.getRed(), paint.getGreen(), paint.getBlue(),
97 128);
98 }
99 if (paint != null && this.getMode() == FILL_MODE.ABOVE) {
100 renderer.setPositivePaint(paint);
101 renderer.setNegativePaint(new Color(0,0,0,0));
102 }
103 else if (paint != null && this.getMode() == FILL_MODE.UNDER) {
104 renderer.setNegativePaint(paint);
105 renderer.setPositivePaint(new Color(0,0,0,0));
106 }
107 else {
108 if (paint == null) paint = new Color(177, 117, 102);
109 renderer.setPositivePaint(paint);
110 renderer.setNegativePaint(paint);
111 }
112 }
113
114 /**
115 * Blindly (for now) apply the postiviepaint of renderer.
116 */
117 protected void applyShowShape(StableXYDifferenceRenderer renderer) {
118 boolean show = ThemeUtil.parseShowBorder(theme);
119 renderer.setDrawOutline(show);
120 }
121
122
123 protected void applyShowLine(StableXYDifferenceRenderer renderer) {
124 boolean show = ThemeUtil.parseShowLine(theme);
125 renderer.setShapesVisible(show);
126 }
127
128
129 protected void applyOutlineColor(StableXYDifferenceRenderer renderer) {
130 Color c = ThemeUtil.parseLineColorField(theme);
131 renderer.setOutlinePaint(c);
132 }
133
134 protected void applyOutlineWidth(StableXYDifferenceRenderer renderer) {
135 int size = ThemeUtil.parseLineWidth(theme);
136 }
137
138 /** Inform renderer whether it should draw a label. */
139 protected void applyShowArea(StableXYDifferenceRenderer renderer) {
140 renderer.setLabelArea(ThemeUtil.parseShowArea(theme));
141 }
142
143 protected void applyOutlineStyle(StableXYDifferenceRenderer renderer) {
144 float[] dashes = ThemeUtil.parseLineStyle(theme);
145 int size = ThemeUtil.parseLineWidth(theme);
146
147 Stroke stroke = null;
148
149 if (dashes.length <= 1) {
150 stroke = new BasicStroke(Integer.valueOf(size));
151 }
152 else {
153 stroke = new BasicStroke(Integer.valueOf(size),
154 BasicStroke.CAP_BUTT,
155 BasicStroke.JOIN_ROUND,
156 1.0f,
157 dashes,
158 0.0f);
159 }
160
161 renderer.setOutlineStroke(stroke);
162 }
163 }
164 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
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