source: josm/trunk/src/org/openstreetmap/josm/gui/mappaint/LineElemStyle.java@ 8346

Last change on this file since 8346 was 8346, checked in by Don-vip, 9 years ago

squid:S00116 - Field names should comply with a naming convention
  • Property svn:eol-style set to native
File size: 14.7 KB
Line 
1// License: GPL. For details, see LICENSE file.
2package org.openstreetmap.josm.gui.mappaint;
3
4import java.awt.BasicStroke;
5import java.awt.Color;
6import java.util.Arrays;
7import java.util.Objects;
8
9import org.openstreetmap.josm.Main;
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.PaintColors;
15import org.openstreetmap.josm.data.osm.visitor.paint.StyledMapRenderer;
16import org.openstreetmap.josm.gui.mappaint.mapcss.Instruction.RelativeFloat;
17import org.openstreetmap.josm.tools.Utils;
18
19public class LineElemStyle extends ElemStyle {
20
21 public static LineElemStyle createSimpleLineStyle(Color color, boolean isAreaEdge) {
22 MultiCascade mc = new MultiCascade();
23 Cascade c = mc.getOrCreateCascade("default");
24 c.put(WIDTH, Keyword.DEFAULT);
25 c.put(COLOR, color != null ? color : PaintColors.UNTAGGED.get());
26 c.put(OPACITY, 1f);
27 if (isAreaEdge) {
28 c.put(Z_INDEX, -3f);
29 }
30 return createLine(new Environment(null, mc, "default", null));
31 }
32 public static final LineElemStyle UNTAGGED_WAY = createSimpleLineStyle(null, false);
33
34 private BasicStroke line;
35 public Color color;
36 public Color dashesBackground;
37 public float offset;
38 public float realWidth; // the real width of this line in meter
39
40 private BasicStroke dashesLine;
41
42 public enum LineType {
43 NORMAL("", 3f),
44 CASING("casing-", 2f),
45 LEFT_CASING("left-casing-", 2.1f),
46 RIGHT_CASING("right-casing-", 2.1f);
47
48 public final String prefix;
49 public final float defaultMajorZIndex;
50
51 LineType(String prefix, float default_major_z_index) {
52 this.prefix = prefix;
53 this.defaultMajorZIndex = default_major_z_index;
54 }
55 }
56
57 protected LineElemStyle(Cascade c, float default_major_z_index, BasicStroke line, Color color, BasicStroke dashesLine, Color dashesBackground, float offset, float realWidth) {
58 super(c, default_major_z_index);
59 this.line = line;
60 this.color = color;
61 this.dashesLine = dashesLine;
62 this.dashesBackground = dashesBackground;
63 this.offset = offset;
64 this.realWidth = realWidth;
65 }
66
67 public static LineElemStyle createLine(Environment env) {
68 return createImpl(env, LineType.NORMAL);
69 }
70
71 public static LineElemStyle createLeftCasing(Environment env) {
72 LineElemStyle leftCasing = createImpl(env, LineType.LEFT_CASING);
73 if (leftCasing != null) {
74 leftCasing.isModifier = true;
75 }
76 return leftCasing;
77 }
78
79 public static LineElemStyle createRightCasing(Environment env) {
80 LineElemStyle rightCasing = createImpl(env, LineType.RIGHT_CASING);
81 if (rightCasing != null) {
82 rightCasing.isModifier = true;
83 }
84 return rightCasing;
85 }
86
87 public static LineElemStyle createCasing(Environment env) {
88 LineElemStyle casing = createImpl(env, LineType.CASING);
89 if (casing != null) {
90 casing.isModifier = true;
91 }
92 return casing;
93 }
94
95 private static LineElemStyle createImpl(Environment env, LineType type) {
96 Cascade c = env.mc.getCascade(env.layer);
97 Cascade c_def = env.mc.getCascade("default");
98 Float width;
99 switch (type) {
100 case NORMAL:
101 width = getWidth(c, WIDTH, getWidth(c_def, WIDTH, null));
102 break;
103 case CASING:
104 Float casingWidth = c.get(type.prefix + WIDTH, null, Float.class, true);
105 if (casingWidth == null) {
106 RelativeFloat rel_casingWidth = c.get(type.prefix + WIDTH, null, RelativeFloat.class, true);
107 if (rel_casingWidth != null) {
108 casingWidth = rel_casingWidth.val / 2;
109 }
110 }
111 if (casingWidth == null)
112 return null;
113 width = getWidth(c, WIDTH, getWidth(c_def, WIDTH, null));
114 if (width == null) {
115 width = 0f;
116 }
117 width += 2 * casingWidth;
118 break;
119 case LEFT_CASING:
120 case RIGHT_CASING:
121 width = getWidth(c, type.prefix + WIDTH, null);
122 break;
123 default:
124 throw new AssertionError();
125 }
126 if (width == null)
127 return null;
128
129 float realWidth = c.get(type.prefix + REAL_WIDTH, 0f, Float.class);
130 if (realWidth > 0 && MapPaintSettings.INSTANCE.isUseRealWidth()) {
131
132 /* if we have a "width" tag, try use it */
133 String widthTag = env.osm.get("width");
134 if (widthTag == null) {
135 widthTag = env.osm.get("est_width");
136 }
137 if (widthTag != null) {
138 try {
139 realWidth = Float.valueOf(widthTag);
140 } catch(NumberFormatException nfe) {
141 Main.warn(nfe);
142 }
143 }
144 }
145
146 Float offset = c.get(OFFSET, 0f, Float.class);
147 switch (type) {
148 case NORMAL:
149 break;
150 case CASING:
151 offset += c.get(type.prefix + OFFSET, 0f, Float.class);
152 break;
153 case LEFT_CASING:
154 case RIGHT_CASING:
155 Float baseWidthOnDefault = getWidth(c_def, WIDTH, null);
156 Float baseWidth = getWidth(c, WIDTH, baseWidthOnDefault);
157 if (baseWidth == null || baseWidth < 2f) {
158 baseWidth = 2f;
159 }
160 float casingOffset = c.get(type.prefix + OFFSET, 0f, Float.class);
161 casingOffset += baseWidth / 2 + width / 2;
162 /* flip sign for the right-casing-offset */
163 if (type == LineType.RIGHT_CASING) {
164 casingOffset *= -1f;
165 }
166 offset += casingOffset;
167 break;
168 }
169
170 int alpha = 255;
171 Color color = c.get(type.prefix + COLOR, null, Color.class);
172 if (color != null) {
173 alpha = color.getAlpha();
174 }
175 if (type == LineType.NORMAL && color == null) {
176 color = c.get(FILL_COLOR, null, Color.class);
177 }
178 if (color == null) {
179 color = PaintColors.UNTAGGED.get();
180 }
181
182 Integer pAlpha = Utils.color_float2int(c.get(type.prefix + OPACITY, null, Float.class));
183 if (pAlpha != null) {
184 alpha = pAlpha;
185 }
186 color = new Color(color.getRed(), color.getGreen(), color.getBlue(), alpha);
187
188 float[] dashes = c.get(type.prefix + DASHES, null, float[].class, true);
189 if (dashes != null) {
190 boolean hasPositive = false;
191 for (float f : dashes) {
192 if (f > 0) {
193 hasPositive = true;
194 }
195 if (f < 0) {
196 dashes = null;
197 break;
198 }
199 }
200 if (!hasPositive || (dashes != null && dashes.length == 0)) {
201 dashes = null;
202 }
203 }
204 float dashesOffset = c.get(type.prefix + DASHES_OFFSET, 0f, Float.class);
205 Color dashesBackground = c.get(type.prefix + DASHES_BACKGROUND_COLOR, null, Color.class);
206 if (dashesBackground != null) {
207 pAlpha = Utils.color_float2int(c.get(type.prefix + DASHES_BACKGROUND_OPACITY, null, Float.class));
208 if (pAlpha != null) {
209 alpha = pAlpha;
210 }
211 dashesBackground = new Color(dashesBackground.getRed(), dashesBackground.getGreen(),
212 dashesBackground.getBlue(), alpha);
213 }
214
215 Integer cap = null;
216 Keyword capKW = c.get(type.prefix + LINECAP, null, Keyword.class);
217 if (capKW != null) {
218 if ("none".equals(capKW.val)) {
219 cap = BasicStroke.CAP_BUTT;
220 } else if ("round".equals(capKW.val)) {
221 cap = BasicStroke.CAP_ROUND;
222 } else if ("square".equals(capKW.val)) {
223 cap = BasicStroke.CAP_SQUARE;
224 }
225 }
226 if (cap == null) {
227 cap = dashes != null ? BasicStroke.CAP_BUTT : BasicStroke.CAP_ROUND;
228 }
229
230 Integer join = null;
231 Keyword joinKW = c.get(type.prefix + LINEJOIN, null, Keyword.class);
232 if (joinKW != null) {
233 if ("round".equals(joinKW.val)) {
234 join = BasicStroke.JOIN_ROUND;
235 } else if ("miter".equals(joinKW.val)) {
236 join = BasicStroke.JOIN_MITER;
237 } else if ("bevel".equals(joinKW.val)) {
238 join = BasicStroke.JOIN_BEVEL;
239 }
240 }
241 if (join == null) {
242 join = BasicStroke.JOIN_ROUND;
243 }
244
245 float miterlimit = c.get(type.prefix + MITERLIMIT, 10f, Float.class);
246 if (miterlimit < 1f) {
247 miterlimit = 10f;
248 }
249
250 BasicStroke line = new BasicStroke(width, cap, join, miterlimit, dashes, dashesOffset);
251 BasicStroke dashesLine = null;
252
253 if (dashes != null && dashesBackground != null) {
254 float[] dashes2 = new float[dashes.length];
255 System.arraycopy(dashes, 0, dashes2, 1, dashes.length - 1);
256 dashes2[0] = dashes[dashes.length-1];
257 dashesLine = new BasicStroke(width, cap, join, miterlimit, dashes2, dashes2[0] + dashesOffset);
258 }
259
260 return new LineElemStyle(c, type.defaultMajorZIndex, line, color, dashesLine, dashesBackground, offset, realWidth);
261 }
262
263 @Override
264 public void paintPrimitive(OsmPrimitive primitive, MapPaintSettings paintSettings, StyledMapRenderer painter,
265 boolean selected, boolean outermember, boolean member) {
266 Way w = (Way)primitive;
267 /* show direction arrows, if draw.segment.relevant_directions_only is not set,
268 the way is tagged with a direction key
269 (even if the tag is negated as in oneway=false) or the way is selected */
270 boolean showOrientation = !isModifier && (selected || paintSettings.isShowDirectionArrow()) && !paintSettings.isUseRealWidth();
271 boolean showOneway = !isModifier && !selected &&
272 !paintSettings.isUseRealWidth() &&
273 paintSettings.isShowOnewayArrow() && w.hasDirectionKeys();
274 boolean onewayReversed = w.reversedDirection();
275 /* head only takes over control if the option is true,
276 the direction should be shown at all and not only because it's selected */
277 boolean showOnlyHeadArrowOnly = showOrientation && !selected && paintSettings.isShowHeadArrowOnly();
278 Node lastN;
279
280 Color myDashedColor = dashesBackground;
281 BasicStroke myLine = line, myDashLine = dashesLine;
282 if (realWidth > 0 && paintSettings.isUseRealWidth() && !showOrientation) {
283 float myWidth = (int) (100 / (float) (painter.getCircum() / realWidth));
284 if (myWidth < line.getLineWidth()) {
285 myWidth = line.getLineWidth();
286 }
287 myLine = new BasicStroke(myWidth, line.getEndCap(), line.getLineJoin(),
288 line.getMiterLimit(), line.getDashArray(), line.getDashPhase());
289 if (dashesLine != null) {
290 myDashLine = new BasicStroke(myWidth, dashesLine.getEndCap(), dashesLine.getLineJoin(),
291 dashesLine.getMiterLimit(), dashesLine.getDashArray(), dashesLine.getDashPhase());
292 }
293 }
294
295 Color myColor = color;
296 if (selected) {
297 myColor = paintSettings.getSelectedColor(color.getAlpha());
298 } else if (member || outermember) {
299 myColor = paintSettings.getRelationSelectedColor(color.getAlpha());
300 } else if(w.isDisabled()) {
301 myColor = paintSettings.getInactiveColor();
302 myDashedColor = paintSettings.getInactiveColor();
303 }
304
305 painter.drawWay(w, myColor, myLine, myDashLine, myDashedColor, offset, showOrientation,
306 showOnlyHeadArrowOnly, showOneway, onewayReversed);
307
308 if(paintSettings.isShowOrderNumber() && !painter.isInactiveMode()) {
309 int orderNumber = 0;
310 lastN = null;
311 for(Node n : w.getNodes()) {
312 if(lastN != null) {
313 orderNumber++;
314 painter.drawOrderNumber(lastN, n, orderNumber, myColor);
315 }
316 lastN = n;
317 }
318 }
319 }
320
321 @Override
322 public boolean isProperLineStyle() {
323 return !isModifier;
324 }
325
326 @Override
327 public boolean equals(Object obj) {
328 if (obj == null || getClass() != obj.getClass())
329 return false;
330 if (!super.equals(obj))
331 return false;
332 final LineElemStyle other = (LineElemStyle) obj;
333 return Objects.equals(line, other.line) &&
334 Objects.equals(color, other.color) &&
335 Objects.equals(dashesLine, other.dashesLine) &&
336 Objects.equals(dashesBackground, other.dashesBackground) &&
337 offset == other.offset &&
338 realWidth == other.realWidth;
339 }
340
341 @Override
342 public int hashCode() {
343 int hash = super.hashCode();
344 hash = 29 * hash + line.hashCode();
345 hash = 29 * hash + color.hashCode();
346 hash = 29 * hash + (dashesLine != null ? dashesLine.hashCode() : 0);
347 hash = 29 * hash + (dashesBackground != null ? dashesBackground.hashCode() : 0);
348 hash = 29 * hash + Float.floatToIntBits(offset);
349 hash = 29 * hash + Float.floatToIntBits(realWidth);
350 return hash;
351 }
352
353 @Override
354 public String toString() {
355 return "LineElemStyle{" + super.toString() + "width=" + line.getLineWidth() +
356 " realWidth=" + realWidth + " color=" + Utils.toString(color) +
357 " dashed=" + Arrays.toString(line.getDashArray()) +
358 (line.getDashPhase() == 0f ? "" : " dashesOffses=" + line.getDashPhase()) +
359 " dashedColor=" + Utils.toString(dashesBackground) +
360 " linejoin=" + linejoinToString(line.getLineJoin()) +
361 " linecap=" + linecapToString(line.getEndCap()) +
362 (offset == 0 ? "" : " offset=" + offset) +
363 '}';
364 }
365
366 public String linejoinToString(int linejoin) {
367 switch (linejoin) {
368 case BasicStroke.JOIN_BEVEL: return "bevel";
369 case BasicStroke.JOIN_ROUND: return "round";
370 case BasicStroke.JOIN_MITER: return "miter";
371 default: return null;
372 }
373 }
374
375 public String linecapToString(int linecap) {
376 switch (linecap) {
377 case BasicStroke.CAP_BUTT: return "none";
378 case BasicStroke.CAP_ROUND: return "round";
379 case BasicStroke.CAP_SQUARE: return "square";
380 default: return null;
381 }
382 }
383}
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