source: josm/trunk/src/org/openstreetmap/josm/gui/mappaint/LineElemStyle.java@ 3880

Last change on this file since 3880 was 3880, checked in by bastiK, 15 years ago

mapcss: text along line
  • Property svn:eol-style set to native
File size: 10.9 KB
Line 
1// License: GPL. For details, see LICENSE file.
2package org.openstreetmap.josm.gui.mappaint;
3
4import static org.openstreetmap.josm.tools.Utils.equal;
5
6import java.awt.BasicStroke;
7import java.awt.Color;
8import java.util.Arrays;
9
10import org.openstreetmap.josm.data.osm.Node;
11import org.openstreetmap.josm.data.osm.OsmPrimitive;
12import org.openstreetmap.josm.data.osm.Way;
13import org.openstreetmap.josm.data.osm.visitor.paint.MapPaintSettings;
14import org.openstreetmap.josm.data.osm.visitor.paint.MapPainter;
15import org.openstreetmap.josm.data.osm.visitor.paint.PaintColors;
16import org.openstreetmap.josm.tools.Utils;
17
18public class LineElemStyle extends ElemStyle {
19
20 public static LineElemStyle createSimpleLineStyle(Color color) {
21 Cascade c = new Cascade(false);
22 c.put("width", -1f);
23 c.put("color", color != null ? color : PaintColors.UNTAGGED.get());
24 MultiCascade mc = new MultiCascade();
25 mc.put("default", c);
26 return createLine(new Environment(null, mc, "default", null));
27 }
28 public static final LineElemStyle UNTAGGED_WAY = createSimpleLineStyle(null);
29
30 private BasicStroke line;
31 public Color color;
32 public Color dashesBackground;
33 public TextElement text;
34 public float realWidth; // the real width of this line in meter
35
36 private BasicStroke dashesLine;
37
38 protected LineElemStyle(Cascade c, BasicStroke line, Color color, BasicStroke dashesLine, Color dashesBackground, TextElement text, float realWidth) {
39 super(c);
40 this.line = line;
41 this.color = color;
42 this.dashesLine = dashesLine;
43 this.dashesBackground = dashesBackground;
44 this.text = text;
45 this.realWidth = realWidth;
46 }
47
48 public static LineElemStyle createLine(Environment env) {
49 return createImpl(env, false);
50 }
51
52 public static LineElemStyle createCasing(Environment env) {
53 LineElemStyle casing = createImpl(env, true);
54 if (casing != null) {
55 casing.object_z_index = -1;
56 }
57 return casing;
58 }
59
60 private static LineElemStyle createImpl(Environment env, boolean casing) {
61 Cascade c = env.getCascade();
62 Cascade c_def = env.mc.getCascade("default");
63
64 String prefix = casing ? "casing-" : "";
65
66 Float width;
67 if (casing) {
68 Float widthOnDefault = getWidth(c_def, "width", null);
69 Float widthLine = getWidth(c, "width", widthOnDefault);
70 width = getWidth(c, "casing-width", widthLine);
71 } else {
72 Float widthOnDefault = getWidth(c_def, "width", null);
73 width = getWidth(c, "width", widthOnDefault);
74 }
75
76 if (width == null)
77 return null;
78
79 float realWidth = c.get(prefix + "real-width", 0f, Float.class);
80 if (realWidth > 0 && MapPaintSettings.INSTANCE.isUseRealWidth()) {
81
82 /* if we have a "width" tag, try use it */
83 String widthTag = env.osm.get("width");
84 if(widthTag == null) {
85 widthTag = env.osm.get("est_width");
86 }
87 if(widthTag != null) {
88 try {
89 realWidth = new Float(Integer.parseInt(widthTag));
90 }
91 catch(NumberFormatException nfe) {
92 }
93 }
94 }
95
96 Color color = c.get(prefix + "color", null, Color.class);
97 if (color == null) {
98 color = c.get(prefix + "fill-color", null, Color.class);
99 }
100 if (color == null) {
101 color = PaintColors.UNTAGGED.get();
102 }
103
104 int alpha = 255;
105 Integer pAlpha = Utils.color_float2int(c.get("opacity", null, float.class));
106 if (pAlpha != null) {
107 alpha = pAlpha;
108 }
109 color = new Color(color.getRed(), color.getGreen(), color.getBlue(), alpha);
110
111 float[] dashes = c.get(prefix + "dashes", null, float[].class);
112 if (dashes != null) {
113 boolean hasPositive = false;
114 for (float f : dashes) {
115 if (f > 0) {
116 hasPositive = true;
117 }
118 if (f < 0) {
119 dashes = null;
120 break;
121 }
122 }
123 if (!hasPositive || dashes.length == 0) {
124 dashes = null;
125 }
126 }
127 float dashesOffset = c.get(prefix + "dashes-offset", 0f, Float.class);
128 Color dashesBackground = c.get(prefix + "dashes-background-color", null, Color.class);
129 if (dashesBackground != null) {
130 pAlpha = Utils.color_float2int(c.get(prefix + "dashes-background-opacity", null, Float.class));
131 if (pAlpha != null) {
132 alpha = pAlpha;
133 }
134 dashesBackground = new Color(dashesBackground.getRed(), dashesBackground.getGreen(),
135 dashesBackground.getBlue(), alpha);
136 }
137
138 int cap;
139 String capStr = c.get(prefix + "linecap", null, String.class);
140 if (equal(capStr, "none")) {
141 cap = BasicStroke.CAP_BUTT;
142 } else if (equal(capStr, "round")) {
143 cap = BasicStroke.CAP_ROUND;
144 } else if (equal(capStr, "square")) {
145 cap = BasicStroke.CAP_SQUARE;
146 } else {
147 cap = dashes != null ? BasicStroke.CAP_BUTT : BasicStroke.CAP_ROUND;
148 }
149
150 int join;
151 String joinStr = c.get(prefix + "linejoin", null, String.class);
152 if (equal(joinStr, "round")) {
153 join = BasicStroke.JOIN_ROUND;
154 } else if (equal(joinStr, "miter")) {
155 join = BasicStroke.JOIN_MITER;
156 } else if (equal(joinStr, "bevel")) {
157 join = BasicStroke.JOIN_BEVEL;
158 } else {
159 join = BasicStroke.JOIN_ROUND;
160 }
161
162 float miterlimit = c.get(prefix + "miterlimit", 10f, Float.class);
163 if (miterlimit < 1f) {
164 miterlimit = 10f;
165 }
166
167 BasicStroke line = new BasicStroke(width, cap, join, miterlimit, dashes, dashesOffset);
168 BasicStroke dashesLine = null;
169
170 if (dashes != null && dashesBackground != null) {
171 float[] dashes2 = new float[dashes.length];
172 System.arraycopy(dashes, 0, dashes2, 1, dashes.length - 1);
173 dashes2[0] = dashes[dashes.length-1];
174 dashesLine = new BasicStroke(width, cap, join, miterlimit, dashes2, dashes2[0] + dashesOffset);
175 }
176
177 TextElement text = null;
178 if (!casing) {
179 String textPos = c.get("text-position", null, String.class);
180 if (textPos == null || equal(textPos, "line")) {
181 text = TextElement.create(c);
182 }
183 }
184
185 return new LineElemStyle(c, line, color, dashesLine, dashesBackground, text, realWidth);
186 }
187
188 @Override
189 public void paintPrimitive(OsmPrimitive primitive, MapPaintSettings paintSettings, MapPainter painter, boolean selected, boolean member) {
190 Way w = (Way)primitive;
191 /* show direction arrows, if draw.segment.relevant_directions_only is not set,
192 the way is tagged with a direction key
193 (even if the tag is negated as in oneway=false) or the way is selected */
194 boolean showDirection = selected || ((!paintSettings.isUseRealWidth()) && (paintSettings.isShowDirectionArrow()
195 && (!paintSettings.isShowRelevantDirectionsOnly() || w.hasDirectionKeys())));
196 boolean reversedDirection = w.reversedDirection();
197 /* head only takes over control if the option is true,
198 the direction should be shown at all and not only because it's selected */
199 boolean showOnlyHeadArrowOnly = showDirection && !selected && paintSettings.isShowHeadArrowOnly();
200 Node lastN;
201
202 Color myDashedColor = dashesBackground;
203 BasicStroke myLine = line, myDashLine = dashesLine;
204 if (realWidth > 0 && paintSettings.isUseRealWidth() && !showDirection) {
205 float myWidth = (int) (100 / (float) (painter.getCircum() / realWidth));
206 if (myWidth < line.getLineWidth()) {
207 myWidth = line.getLineWidth();
208 }
209 myLine = new BasicStroke(myWidth, line.getEndCap(), line.getLineJoin(),
210 line.getMiterLimit(), line.getDashArray(), line.getDashPhase());
211 if (dashesLine != null) {
212 myDashLine = new BasicStroke(myWidth, dashesLine.getEndCap(), dashesLine.getLineJoin(),
213 dashesLine.getMiterLimit(), dashesLine.getDashArray(), dashesLine.getDashPhase());
214 }
215 }
216
217 Color markColor = null;
218 if(w.isHighlighted()) {
219 markColor = paintSettings.getHighlightColor();
220 } else if (selected) {
221 markColor = paintSettings.getSelectedColor(color.getAlpha());
222 } else if (member) {
223 markColor = paintSettings.getRelationSelectedColor(color.getAlpha());
224 } else if(w.isDisabled()) {
225 markColor = paintSettings.getInactiveColor();
226 myDashedColor = paintSettings.getInactiveColor();
227 }
228
229 painter.drawWay(w, markColor != null ? markColor : color, myLine, myDashLine, myDashedColor, text, showDirection,
230 selected ? false : reversedDirection, showOnlyHeadArrowOnly);
231
232 if(paintSettings.isShowOrderNumber()) {
233 int orderNumber = 0;
234 lastN = null;
235 for(Node n : w.getNodes()) {
236 if(lastN != null) {
237 orderNumber++;
238 painter.drawOrderNumber(lastN, n, orderNumber);
239 }
240 lastN = n;
241 }
242 }
243 }
244
245 @Override
246 public boolean equals(Object obj) {
247 if (obj == null || getClass() != obj.getClass())
248 return false;
249 if (!super.equals(obj))
250 return false;
251 final LineElemStyle other = (LineElemStyle) obj;
252 return equal(line, other.line) &&
253 equal(color, other.color) &&
254 equal(dashesLine, other.dashesLine) &&
255 equal(dashesBackground, other.dashesBackground) &&
256 equal(text, other.text) &&
257 realWidth == other.realWidth;
258 }
259
260 @Override
261 public int hashCode() {
262 int hash = super.hashCode();
263 hash = 29 * hash + line.hashCode();
264 hash = 29 * hash + color.hashCode();
265 hash = 29 * hash + (dashesLine != null ? dashesLine.hashCode() : 0);
266 hash = 29 * hash + (dashesBackground != null ? dashesBackground.hashCode() : 0);
267 hash = 29 * hash + (text != null ? text.hashCode() : 0);
268 hash = 29 * hash + Float.floatToIntBits(realWidth);
269 return hash;
270 }
271
272 @Override
273 public String toString() {
274 return "LineElemStyle{" + super.toString() + "width=" + line.getLineWidth() +
275 " realWidth=" + realWidth + " color=" + Utils.toString(color) +
276 " dashed=" + Arrays.toString(line.getDashArray()) +
277 (line.getDashPhase() == 0f ? "" : " dashesOffses=" + line.getDashPhase()) +
278 " dashedColor=" + Utils.toString(dashesBackground) + '}';
279 }
280}
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