source: osm/applications/editors/josm/plugins/seachart/src/render/Renderer.java@ 31027

Last change on this file since 31027 was 31027, checked in by malcolmh, 11 years ago

add base map rendering
File size: 26.3 KB
Line 
1/* Copyright 2014 Malcolm Herring
2 *
3 * This is free software: you can redistribute it and/or modify
4 * it under the terms of the GNU General Public License as published by
5 * the Free Software Foundation, version 3 of the License.
6 *
7 * For a copy of the GNU General Public License, see <http://www.gnu.org/licenses/>.
8 */
9
10package render;
11
12import java.awt.*;
13import java.awt.font.*;
14import java.awt.geom.*;
15import java.awt.image.*;
16import java.util.*;
17
18import render.Rules.*;
19import s57.S57val.*;
20import s57.S57map;
21import s57.S57obj.Obj;
22import s57.S57map.*;
23import symbols.Areas;
24import symbols.Symbols;
25import symbols.Symbols.*;
26
27public class Renderer {
28
29 public static final double symbolScale[] = { 256.0, 128.0, 64.0, 32.0, 16.0, 8.0, 4.0, 2.0, 1.0, 0.61, 0.372, 0.227, 0.138, 0.0843, 0.0514, 0.0313, 0.0191, 0.0117, 0.007 };
30
31 public enum LabelStyle { NONE, RRCT, RECT, ELPS, CIRC, VCLR, PCLR, HCLR }
32
33 static ChartContext context;
34 static S57map map;
35 static double sScale;
36 static Graphics2D g2;
37 static int zoom;
38
39 public static void reRender(Graphics2D g, int z, double factor, S57map m, ChartContext c) {
40 g2 = g;
41 zoom = z;
42 context = c;
43 map = m;
44 sScale = symbolScale[zoom] * factor;
45 if (map != null) {
46 g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
47 g2.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_GASP);
48 g2.setStroke(new BasicStroke(0, BasicStroke.CAP_BUTT, BasicStroke.JOIN_MITER));
49 Rules.rules(RuleSet.BASE);
50 }
51 }
52
53 public static void symbol(Feature feature, Symbol symbol) {
54 Point2D point = context.getPoint(feature.geom.centre);
55 Symbols.drawSymbol(g2, symbol, sScale, point.getX(), point.getY(), null, null);
56 }
57 public static void symbol(Feature feature, Symbol symbol, Scheme scheme) {
58 Point2D point = context.getPoint(feature.geom.centre);
59 Symbols.drawSymbol(g2, symbol, sScale, point.getX(), point.getY(), scheme, null);
60 }
61 public static void symbol(Feature feature, Symbol symbol, Delta delta) {
62 Point2D point = context.getPoint(feature.geom.centre);
63 Symbols.drawSymbol(g2, symbol, sScale, point.getX(), point.getY(), null, delta);
64 }
65 public static void symbol(Feature feature, Symbol symbol, Scheme scheme, Delta delta) {
66 Point2D point = context.getPoint(feature.geom.centre);
67 Symbols.drawSymbol(g2, symbol, sScale, point.getX(), point.getY(), scheme, delta);
68 }
69
70 public static void cluster(Feature feature, ArrayList<Symbol> symbols) {
71 Rectangle2D.Double bbox = null;
72 if (symbols.size() > 4) {
73 for (Instr instr : symbols.get(0)) {
74 if (instr.type == Form.BBOX) {
75 bbox = (Rectangle2D.Double) instr.params;
76 break;
77 }
78 }
79 if (bbox == null) return;
80 }
81 switch (symbols.size()) {
82 case 1:
83 symbol(feature, symbols.get(0), new Delta(Handle.CC, new AffineTransform()));
84 break;
85 case 2:
86 symbol(feature, symbols.get(0), new Delta(Handle.RC, new AffineTransform()));
87 symbol(feature, symbols.get(1), new Delta(Handle.LC, new AffineTransform()));
88 break;
89 case 3:
90 symbol(feature, symbols.get(0), new Delta(Handle.BC, new AffineTransform()));
91 symbol(feature, symbols.get(1), new Delta(Handle.TR, new AffineTransform()));
92 symbol(feature, symbols.get(2), new Delta(Handle.TL, new AffineTransform()));
93 break;
94 case 4:
95 symbol(feature, symbols.get(0), new Delta(Handle.BR, new AffineTransform()));
96 symbol(feature, symbols.get(1), new Delta(Handle.BL, new AffineTransform()));
97 symbol(feature, symbols.get(2), new Delta(Handle.TR, new AffineTransform()));
98 symbol(feature, symbols.get(3), new Delta(Handle.TL, new AffineTransform()));
99 break;
100 case 5:
101 symbol(feature, symbols.get(0), new Delta(Handle.BR, new AffineTransform()));
102 symbol(feature, symbols.get(1), new Delta(Handle.BL, new AffineTransform()));
103 symbol(feature, symbols.get(2), new Delta(Handle.TR, AffineTransform.getTranslateInstance(-bbox.width/2, 0)));
104 symbol(feature, symbols.get(3), new Delta(Handle.TC, new AffineTransform()));
105 symbol(feature, symbols.get(4), new Delta(Handle.TL, AffineTransform.getTranslateInstance(bbox.width/2, 0)));
106 break;
107 case 6:
108 symbol(feature, symbols.get(0), new Delta(Handle.BR, AffineTransform.getTranslateInstance(-bbox.width/2, 0)));
109 symbol(feature, symbols.get(1), new Delta(Handle.BC, new AffineTransform()));
110 symbol(feature, symbols.get(2), new Delta(Handle.BL, AffineTransform.getTranslateInstance(bbox.width/2, 0)));
111 symbol(feature, symbols.get(3), new Delta(Handle.TR, AffineTransform.getTranslateInstance(-bbox.width/2, 0)));
112 symbol(feature, symbols.get(4), new Delta(Handle.TC, new AffineTransform()));
113 symbol(feature, symbols.get(5), new Delta(Handle.TL, AffineTransform.getTranslateInstance(bbox.width/2, 0)));
114 break;
115 case 7:
116 symbol(feature, symbols.get(0), new Delta(Handle.BC, AffineTransform.getTranslateInstance(0, -bbox.height/2)));
117 symbol(feature, symbols.get(1), new Delta(Handle.RC, AffineTransform.getTranslateInstance(-bbox.width/2, 0)));
118 symbol(feature, symbols.get(2), new Delta(Handle.CC, new AffineTransform()));
119 symbol(feature, symbols.get(3), new Delta(Handle.LC, AffineTransform.getTranslateInstance(bbox.width/2, 0)));
120 symbol(feature, symbols.get(4), new Delta(Handle.TR, AffineTransform.getTranslateInstance(-bbox.width/2, bbox.height/2)));
121 symbol(feature, symbols.get(5), new Delta(Handle.TC, AffineTransform.getTranslateInstance(0, bbox.height/2)));
122 symbol(feature, symbols.get(6), new Delta(Handle.TL, AffineTransform.getTranslateInstance(bbox.width/2, bbox.height/2)));
123 break;
124 case 8:
125 symbol(feature, symbols.get(0), new Delta(Handle.BR, AffineTransform.getTranslateInstance(0, -bbox.height/2)));
126 symbol(feature, symbols.get(1), new Delta(Handle.BL, AffineTransform.getTranslateInstance(0, -bbox.height/2)));
127 symbol(feature, symbols.get(2), new Delta(Handle.RC, AffineTransform.getTranslateInstance(-bbox.width/2, 0)));
128 symbol(feature, symbols.get(3), new Delta(Handle.CC, new AffineTransform()));
129 symbol(feature, symbols.get(4), new Delta(Handle.LC, AffineTransform.getTranslateInstance(bbox.width/2, 0)));
130 symbol(feature, symbols.get(5), new Delta(Handle.TR, AffineTransform.getTranslateInstance(-bbox.width/2, bbox.height/2)));
131 symbol(feature, symbols.get(6), new Delta(Handle.TC, AffineTransform.getTranslateInstance(0, bbox.height/2)));
132 symbol(feature, symbols.get(7), new Delta(Handle.TL, AffineTransform.getTranslateInstance(bbox.width/2, bbox.height/2)));
133 break;
134 case 9:
135 symbol(feature, symbols.get(0), new Delta(Handle.BR, AffineTransform.getTranslateInstance(-bbox.width/2, -bbox.height/2)));
136 symbol(feature, symbols.get(1), new Delta(Handle.BC, AffineTransform.getTranslateInstance(0, -bbox.height/2)));
137 symbol(feature, symbols.get(2), new Delta(Handle.BL, AffineTransform.getTranslateInstance(bbox.width/2, -bbox.height/2)));
138 symbol(feature, symbols.get(3), new Delta(Handle.RC, AffineTransform.getTranslateInstance(-bbox.width/2, 0)));
139 symbol(feature, symbols.get(4), new Delta(Handle.CC, new AffineTransform()));
140 symbol(feature, symbols.get(5), new Delta(Handle.LC, AffineTransform.getTranslateInstance(bbox.width/2, 0)));
141 symbol(feature, symbols.get(6), new Delta(Handle.TR, AffineTransform.getTranslateInstance(-bbox.width/2, bbox.height/2)));
142 symbol(feature, symbols.get(7), new Delta(Handle.TC, AffineTransform.getTranslateInstance(0, bbox.height/2)));
143 symbol(feature, symbols.get(8), new Delta(Handle.TL, AffineTransform.getTranslateInstance(bbox.width/2, bbox.height/2)));
144 break;
145 }
146 }
147
148 private static Rectangle2D.Double symbolSize(Symbol symbol) {
149 Symbol ssymb = symbol;
150 while (ssymb != null) {
151 for (Instr item : symbol) {
152 if (item.type == Form.BBOX) {
153 return (Rectangle2D.Double) item.params;
154 }
155 if (item.type == Form.SYMB) {
156 ssymb = ((SubSymbol) item.params).instr;
157 break;
158 }
159 }
160 if (ssymb == symbol)
161 break;
162 }
163 return null;
164 }
165
166 public static void lineSymbols(Feature feature, Symbol prisymb, double space, Symbol secsymb, Symbol tersymb, int ratio, Color col) {
167 if ((feature.geom.prim == Pflag.NOSP) || (feature.geom.prim == Pflag.POINT))
168 return;
169 Rectangle2D.Double prect = symbolSize(prisymb);
170 Rectangle2D.Double srect = symbolSize(secsymb);
171 Rectangle2D.Double trect = symbolSize(tersymb);
172 if (srect == null)
173 ratio = 0;
174 if (prect != null) {
175 double psize = Math.abs(prect.getY()) * sScale;
176 double ssize = (srect != null) ? Math.abs(srect.getY()) * sScale : 0;
177 double tsize = (trect != null) ? Math.abs(srect.getY()) * sScale : 0;
178 Point2D prev = new Point2D.Double();
179 Point2D next = new Point2D.Double();
180 Point2D curr = new Point2D.Double();
181 Point2D succ = new Point2D.Double();
182 boolean gap = true;
183 boolean piv = false;
184 double len = 0;
185 double angle = 0;
186 int stcount = ratio;
187 boolean stflag = false;
188 Symbol symbol = prisymb;
189 GeomIterator git = map.new GeomIterator(feature.geom);
190 while (git.hasComp()) {
191 git.nextComp();
192 boolean first = true;
193 while (git.hasEdge()) {
194 git.nextEdge();
195 while (git.hasNode()) {
196 prev = next;
197 next = context.getPoint(git.next());
198 angle = Math.atan2(next.getY() - prev.getY(), next.getX() - prev.getX());
199 piv = true;
200 if (first) {
201 curr = succ = next;
202 gap = (space > 0);
203 stcount = ratio - 1;
204 symbol = prisymb;
205 len = gap ? psize * space * 0.5 : psize;
206 first = false;
207 } else {
208 while (curr.distance(next) >= len) {
209 if (piv) {
210 double rem = len;
211 double s = prev.distance(next);
212 double p = curr.distance(prev);
213 if ((s > 0) && (p > 0)) {
214 double n = curr.distance(next);
215 double theta = Math.acos((s * s + p * p - n * n) / 2 / s / p);
216 double phi = Math.asin(p / len * Math.sin(theta));
217 rem = len * Math.sin(Math.PI - theta - phi) / Math.sin(theta);
218 }
219 succ = new Point2D.Double(prev.getX() + (rem * Math.cos(angle)), prev.getY() + (rem * Math.sin(angle)));
220 piv = false;
221 } else {
222 succ = new Point2D.Double(curr.getX() + (len * Math.cos(angle)), curr.getY() + (len * Math.sin(angle)));
223 }
224 if (!gap) {
225 Symbols.drawSymbol(g2, symbol, sScale, curr.getX(), curr.getY(), new Scheme(col),
226 new Delta(Handle.BC, AffineTransform.getRotateInstance(Math.atan2((succ.getY() - curr.getY()), (succ.getX() - curr.getX())) + Math.toRadians(90))));
227 }
228 if (space > 0)
229 gap = !gap;
230 curr = succ;
231 len = gap ? (psize * space) : (--stcount == 0) ? (stflag ? tsize : ssize) : psize;
232 if (stcount == 0) {
233 symbol = stflag ? tersymb : secsymb;
234 if (trect != null)
235 stflag = !stflag;
236 stcount = ratio;
237 } else {
238 symbol = prisymb;
239 }
240 }
241 }
242 }
243 }
244 }
245 }
246 }
247
248 public static void lineVector(Feature feature, LineStyle style) {
249 Path2D.Double p = new Path2D.Double();
250 p.setWindingRule(GeneralPath.WIND_EVEN_ODD);
251 Point2D point;
252 GeomIterator git = map.new GeomIterator(feature.geom);
253 while (git.hasComp()) {
254 git.nextComp();
255 boolean first = true;
256 while (git.hasEdge()) {
257 git.nextEdge();
258 point = context.getPoint(git.next());
259 if (first) {
260 p.moveTo(point.getX(), point.getY());
261 first = false;
262 } else {
263 p.lineTo(point.getX(), point.getY());
264 }
265 while (git.hasNode()) {
266 point = context.getPoint(git.next());
267 p.lineTo(point.getX(), point.getY());
268 }
269 }
270 }
271 if ((style.fill != null) && (feature.geom.prim == Pflag.AREA)) {
272 g2.setPaint(style.fill);
273 g2.fill(p);
274 }
275 if (style.line != null) {
276 if (style.dash != null) {
277 float[] dash = new float[style.dash.length];
278 System.arraycopy(style.dash, 0, dash, 0, style.dash.length);
279 for (int i = 0; i < style.dash.length; i++) {
280 dash[i] *= (float) sScale;
281 }
282 g2.setStroke(new BasicStroke((float) (style.width * sScale), BasicStroke.CAP_BUTT, BasicStroke.JOIN_ROUND, 1, dash, 0));
283 } else {
284 g2.setStroke(new BasicStroke((float) (style.width * sScale), BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND));
285 }
286 g2.setPaint(style.line);
287 g2.draw(p);
288 }
289 }
290
291 public static void lineCircle(Feature feature, LineStyle style, double radius, UniHLU units) {
292 switch (units) {
293 case HLU_FEET:
294 radius /= 6076;
295 break;
296 case HLU_KMTR:
297 radius /= 1.852;
298 break;
299 case HLU_HMTR:
300 radius /= 18.52;
301 break;
302 case HLU_SMIL:
303 radius /= 1.15078;
304 break;
305 case HLU_NMIL:
306 break;
307 default:
308 radius /= 1852;
309 break;
310 }
311 radius *= context.mile(feature);
312 Symbol circle = new Symbol();
313 if (style.fill != null) {
314 circle.add(new Instr(Form.FILL, style.fill));
315 circle.add(new Instr(Form.RSHP, new Ellipse2D.Double(-radius,-radius,radius*2,radius*2)));
316 }
317 circle.add(new Instr(Form.FILL, style.line));
318 circle.add(new Instr(Form.STRK, new BasicStroke(style.width, BasicStroke.CAP_BUTT, BasicStroke.JOIN_MITER, 1, style.dash, 0)));
319 circle.add(new Instr(Form.ELPS, new Ellipse2D.Double(-radius,-radius,radius*2,radius*2)));
320 Point2D point = context.getPoint(feature.geom.centre);
321 Symbols.drawSymbol(g2, circle, 1, point.getX(), point.getY(), null, null);
322 }
323
324
325 public static void fillPattern(Feature feature, BufferedImage image) {
326 Path2D.Double p = new Path2D.Double();
327 p.setWindingRule(GeneralPath.WIND_EVEN_ODD);
328 Point2D point;
329 switch (feature.geom.prim) {
330 case POINT:
331 point = context.getPoint(feature.geom.centre);
332 g2.drawImage(image, new AffineTransformOp(AffineTransform.getScaleInstance(sScale, sScale), AffineTransformOp.TYPE_NEAREST_NEIGHBOR),
333 (int)(point.getX() - (50 * sScale)), (int)(point.getY() - (50 * sScale)));
334 break;
335 case AREA:
336 GeomIterator git = map.new GeomIterator(feature.geom);
337 while (git.hasComp()) {
338 git.nextComp();
339 while (git.hasEdge()) {
340 git.nextEdge();
341 point = context.getPoint(git.next());
342 p.moveTo(point.getX(), point.getY());
343 while (git.hasNode()) {
344 point = context.getPoint(git.next());
345 p.lineTo(point.getX(), point.getY());
346 }
347 }
348 }
349 g2.setPaint(new TexturePaint(image, new Rectangle(0, 0, 1 + (int)(100 * sScale), 1 + (int)(100 * sScale))));
350 g2.fill(p);
351 break;
352 default:
353 break;
354 }
355 }
356
357 public static void labelText(Feature feature, String str, Font font, Color tc) {
358 labelText(feature, str, font, tc, LabelStyle.NONE, null, null, null);
359 }
360 public static void labelText(Feature feature, String str, Font font, Color tc, Delta delta) {
361 labelText(feature, str, font, tc, LabelStyle.NONE, null, null, delta);
362 }
363 public static void labelText(Feature feature, String str, Font font, Color tc, LabelStyle style, Color fg) {
364 labelText(feature, str, font, tc, style, fg, null, null);
365 }
366 public static void labelText(Feature feature, String str, Font font, Color tc, LabelStyle style, Color fg, Color bg) {
367 labelText(feature, str, font, tc, style, fg, bg, null);
368 }
369 public static void labelText(Feature feature, String str, Font font, Color tc, LabelStyle style, Color fg, Delta delta) {
370 labelText(feature, str, font, tc, style, fg, null, delta);
371 }
372 public static void labelText(Feature feature, String str, Font font, Color tc, LabelStyle style, Color fg, Color bg, Delta delta) {
373 if (delta == null) delta = new Delta(Handle.CC);
374 if (bg == null) bg = new Color(0x00000000, true);
375 if ((str == null) || (str.isEmpty())) str = " ";
376 FontRenderContext frc = g2.getFontRenderContext();
377 GlyphVector gv = font.deriveFont((float)(font.getSize())).createGlyphVector(frc, str.equals(" ") ? "!" : str);
378 Rectangle2D bounds = gv.getVisualBounds();
379 double width = bounds.getWidth();
380 double height = bounds.getHeight();
381 Symbol label = new Symbol();
382 double lx, ly, tx, ty;
383 switch (style) {
384 case RRCT:
385 width += height * 1.0;
386 height *= 1.5;
387 if (width < height) width = height;
388 lx = -width / 2;
389 ly = -height / 2;
390 tx = lx + (height * 0.34);
391 ty = ly + (height * 0.17);
392 label.add(new Instr(Form.BBOX, new Rectangle2D.Double(lx,ly,width,height)));
393 label.add(new Instr(Form.FILL, bg));
394 label.add(new Instr(Form.RSHP, new RoundRectangle2D.Double(lx,ly,width,height,height,height)));
395 label.add(new Instr(Form.FILL, fg));
396 label.add(new Instr(Form.STRK, new BasicStroke(1 + (int)(height/10), BasicStroke.CAP_BUTT, BasicStroke.JOIN_MITER)));
397 label.add(new Instr(Form.RRCT, new RoundRectangle2D.Double(lx,ly,width,height,height,height)));
398 break;
399 case VCLR:
400 width += height * 1.0;
401 height *= 2.0;
402 if (width < height) width = height;
403 lx = -width / 2;
404 ly = -height / 2;
405 tx = lx + (height * 0.27);
406 ty = ly + (height * 0.25);
407 label.add(new Instr(Form.BBOX, new Rectangle2D.Double(lx,ly,width,height)));
408 label.add(new Instr(Form.FILL, bg));
409 label.add(new Instr(Form.RSHP, new RoundRectangle2D.Double(lx,ly,width,height,height,height)));
410 label.add(new Instr(Form.FILL, fg));
411 int sw = 1 + (int)(height/10);
412 double po = sw / 2;
413 label.add(new Instr(Form.STRK, new BasicStroke(sw, BasicStroke.CAP_BUTT, BasicStroke.JOIN_MITER)));
414 Path2D.Double p = new Path2D.Double(); p.moveTo(-height*0.2,-ly-po); p.lineTo(height*0.2,-ly-po); p.moveTo(0,-ly-po); p.lineTo(0,-ly-po-(height*0.15));
415 p.moveTo(-height*0.2,ly+po); p.lineTo((height*0.2),ly+po); p.moveTo(0,ly+po); p.lineTo(0,ly+po+(height*0.15));
416 label.add(new Instr(Form.PLIN, p));
417 break;
418 case PCLR:
419 width += height * 1.0;
420 height *= 2.0;
421 if (width < height) width = height;
422 lx = -width / 2;
423 ly = -height / 2;
424 tx = lx + (height * 0.27);
425 ty = ly + (height * 0.25);
426 label.add(new Instr(Form.BBOX, new Rectangle2D.Double(lx,ly,width,height)));
427 label.add(new Instr(Form.FILL, bg));
428 label.add(new Instr(Form.RSHP, new RoundRectangle2D.Double(lx,ly,width,height,height,height)));
429 label.add(new Instr(Form.FILL, fg));
430 sw = 1 + (int)(height/10);
431 po = sw / 2;
432 label.add(new Instr(Form.STRK, new BasicStroke(sw, BasicStroke.CAP_BUTT, BasicStroke.JOIN_MITER)));
433 p = new Path2D.Double(); p.moveTo(-height*0.2,-ly-po); p.lineTo(height*0.2,-ly-po); p.moveTo(0,-ly-po); p.lineTo(0,-ly-po-(height*0.15));
434 p.moveTo(-height*0.2,ly+po); p.lineTo((height*0.2),ly+po); p.moveTo(0,ly+po); p.lineTo(0,ly+po+(height*0.15));
435 label.add(new Instr(Form.PLIN, p));
436 label.add(new Instr(Form.SYMB, new Symbols.SubSymbol(Areas.CableFlash, 1, 0, 0, null, new Delta(Handle.CC, new AffineTransform(0,-1,1,0,-width/2,0)))));
437 label.add(new Instr(Form.SYMB, new Symbols.SubSymbol(Areas.CableFlash, 1, 0, 0, null, new Delta(Handle.CC, new AffineTransform(0,-1,1,0,width/2,0)))));
438 break;
439 case HCLR:
440 width += height * 1.5;
441 height *= 1.5;
442 if (width < height) width = height;
443 lx = -width / 2;
444 ly = -height / 2;
445 tx = lx + (height * 0.5);
446 ty = ly + (height * 0.17);
447 label.add(new Instr(Form.BBOX, new Rectangle2D.Double(lx,ly,width,height)));
448 label.add(new Instr(Form.FILL, bg));
449 label.add(new Instr(Form.RSHP, new RoundRectangle2D.Double(lx,ly,width,height,height,height)));
450 label.add(new Instr(Form.FILL, fg));
451 sw = 1 + (int)(height/10);
452 double vo = height / 4;
453 label.add(new Instr(Form.STRK, new BasicStroke(sw, BasicStroke.CAP_BUTT, BasicStroke.JOIN_MITER)));
454 p = new Path2D.Double(); p.moveTo(-width*0.4-sw,-ly-vo); p.lineTo(-width*0.4-sw,ly+vo); p.moveTo(-width*0.4-sw,0); p.lineTo(-width*0.4+sw,0);
455 p.moveTo(width*0.4+sw,-ly-vo); p.lineTo(width*0.4+sw,ly+vo); p.moveTo(width*0.4-sw,0); p.lineTo(width*0.4+sw,0);
456 label.add(new Instr(Form.PLIN, p));
457 break;
458 default:
459 lx = -width / 2;
460 ly = -height / 2;
461 tx = lx;
462 ty = ly;
463 label.add(new Instr(Form.BBOX, new Rectangle2D.Double(lx,ly,width,height)));
464 break;
465 }
466 label.add(new Instr(Form.TEXT, new Caption(str, font, tc, new Delta(Handle.TL, AffineTransform.getTranslateInstance(tx, ty)))));
467 Point2D point = context.getPoint(feature.geom.centre);
468 Symbols.drawSymbol(g2, label, sScale, point.getX(), point.getY(), null, delta);
469 }
470
471 public static void lineText(Feature feature, String str, Font font, Color colour, double offset, double dy) {
472 if (!str.isEmpty()) {
473 g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
474 g2.setPaint(colour);
475 FontRenderContext frc = g2.getFontRenderContext();
476 GlyphVector gv = font.deriveFont((float)(font.getSize()*sScale)).createGlyphVector(frc, (" " + str));
477 GeneralPath path = new GeneralPath();
478 Point2D prev = new Point2D.Double();
479 Point2D next = new Point2D.Double();
480 Point2D curr = new Point2D.Double();
481 Point2D succ = new Point2D.Double();
482 boolean piv = false;
483 double angle = 0;
484 int index = 0;
485 double gwidth = offset * (feature.geom.length * context.mile(feature) - gv.getLogicalBounds().getWidth()) + gv.getGlyphMetrics(0).getAdvance();
486 GeomIterator git = map.new GeomIterator(feature.geom);
487 while (git.hasComp()) {
488 git.nextComp();
489 boolean first = true;
490 while (git.hasEdge()) {
491 git.nextEdge();
492 while (git.hasNode()) {
493 prev = next;
494 next = context.getPoint(git.next());
495 angle = Math.atan2(next.getY() - prev.getY(), next.getX() - prev.getX());
496 piv = true;
497 if (first) {
498 curr = succ = next;
499 first = false;
500 } else {
501 while (curr.distance(next) >= gwidth) {
502 if (piv) {
503 double rem = gwidth;
504 double s = prev.distance(next);
505 double p = curr.distance(prev);
506 if ((s > 0) && (p > 0)) {
507 double n = curr.distance(next);
508 double theta = Math.acos((s * s + p * p - n * n) / 2 / s / p);
509 double phi = Math.asin(p / gwidth * Math.sin(theta));
510 rem = gwidth * Math.sin(Math.PI - theta - phi) / Math.sin(theta);
511 }
512 succ = new Point2D.Double(prev.getX() + (rem * Math.cos(angle)), prev.getY() + (rem * Math.sin(angle)));
513 piv = false;
514 } else {
515 succ = new Point2D.Double(curr.getX() + (gwidth * Math.cos(angle)), curr.getY() + (gwidth * Math.sin(angle)));
516 }
517 Shape shape = gv.getGlyphOutline(index);
518 Point2D point = gv.getGlyphPosition(index);
519 AffineTransform at = AffineTransform.getTranslateInstance(curr.getX(), curr.getY());
520 at.rotate(Math.atan2((succ.getY() - curr.getY()), (succ.getX() - curr.getX())));
521 at.translate(-point.getX(), -point.getY() + (dy * sScale));
522 path.append(at.createTransformedShape(shape), false);
523 curr = succ;
524 if (++index < gv.getNumGlyphs()) {
525 gwidth = gv.getGlyphMetrics(index).getAdvance();
526 } else {
527 g2.fill(path);
528 return;
529 }
530 }
531 }
532 }
533 }
534 }
535 }
536 }
537
538 public static void lightSector(Feature feature, Color col1, Color col2, double radius, double s1, double s2, boolean dir, String str) {
539 if ((zoom >= 16) && (radius > 0.2)) {
540 radius = 0.2 / (Math.pow(2, zoom-16));
541 }
542 double mid = (((s1 + s2) / 2) + (s1 > s2 ? 180 : 0)) % 360;
543 g2.setStroke(new BasicStroke((float) (3.0 * sScale), BasicStroke.CAP_BUTT, BasicStroke.JOIN_ROUND, 1, new float[] {20 * (float)sScale, 20 * (float)sScale}, 0));
544 g2.setPaint(Color.black);
545 Point2D.Double centre = (Point2D.Double) context.getPoint(feature.geom.centre);
546 double radial = radius * context.mile(feature);
547 if (dir) {
548 g2.draw(new Line2D.Double(centre.x, centre.y, centre.x - radial * Math.sin(Math.toRadians(mid)), centre.y + radial * Math.cos(Math.toRadians(mid))));
549 } else {
550 g2.draw(new Line2D.Double(centre.x, centre.y, centre.x - radial * Math.sin(Math.toRadians(s1)), centre.y + radial * Math.cos(Math.toRadians(s1))));
551 g2.draw(new Line2D.Double(centre.x, centre.y, centre.x - radial * Math.sin(Math.toRadians(s2)), centre.y + radial * Math.cos(Math.toRadians(s2))));
552 }
553 double arcWidth = 10.0 * sScale;
554 g2.setStroke(new BasicStroke((float)arcWidth, BasicStroke.CAP_BUTT, BasicStroke.JOIN_MITER, 1));
555 g2.setPaint(col1);
556 g2.draw(new Arc2D.Double(centre.x - radial, centre.y - radial, 2 * radial, 2 * radial, -(s1 + 90), (s1 - s2 - 360) % 360, Arc2D.OPEN));
557 if (col2 != null) {
558 g2.setPaint(col2);
559 g2.draw(new Arc2D.Double(centre.x - radial + arcWidth, centre.y - radial + arcWidth, 2 * (radial - arcWidth), 2 * (radial - arcWidth), -(s1 + 90), (s1 - s2 - 360) % 360, Arc2D.OPEN));
560 }
561 if ((str != null) && (!str.isEmpty())) {
562 g2.setPaint(Color.black);
563 g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
564 FontRenderContext frc = g2.getFontRenderContext();
565 Font font = new Font("Arial", Font.PLAIN, 40);
566 GeneralPath path = new GeneralPath();
567 GlyphVector gv = font.deriveFont((float)(font.getSize()*sScale)).createGlyphVector(frc, (" " + str));
568 double gwidth = gv.getLogicalBounds().getWidth();
569 boolean hand = false;
570 double offset = 0;
571 Point2D origin;
572 double arc = (s2 - s1 + 360) % 360;
573 if (dir) {
574 radial += 10 * sScale;
575 if (mid < 180) {
576 radial += gwidth;
577 hand = true;
578 }
579 origin = new Point2D.Double(centre.x - radial * Math.sin(Math.toRadians(mid)), centre.y + radial * Math.cos(Math.toRadians(mid)));
580 int length = gv.getNumGlyphs();
581 for (int i = 0; i < length; i++) {
582 Shape shape = gv.getGlyphOutline(i);
583 Point2D point = gv.getGlyphPosition(i);
584 AffineTransform at = AffineTransform.getTranslateInstance(origin.getX(), origin.getY());
585 at.rotate(Math.toRadians(mid + (hand ? -90 : 90)));
586 at.translate(-point.getX() + offset, -point.getY() + (15 * sScale));
587 path.append(at.createTransformedShape(shape), false);
588 offset += gv.getGlyphMetrics(i).getAdvance();
589 g2.fill(path);
590 }
591 } else {
592 double awidth = (Math.toRadians(arc) * radial);
593 if (gwidth < awidth) {
594 offset = 0;
595 double phi = 0;
596 if ((mid > 270) || (mid < 90)) {
597 hand = true;
598 phi = Math.toRadians(s2) - ((awidth - gwidth) / 2) /radial;
599 radial -= 20 * sScale;
600 } else {
601 phi = Math.toRadians(s1) + (((awidth - gwidth) / 2)) /radial;
602 radial += 20 * sScale;
603 }
604 origin = new Point2D.Double(centre.x - radial * Math.sin(phi), centre.y + radial * Math.cos(phi));
605 int length = gv.getNumGlyphs();
606 for (int i = 0; i < length; i++) {
607 Shape shape = gv.getGlyphOutline(i);
608 Point2D point = gv.getGlyphPosition(i);
609 AffineTransform at = AffineTransform.getTranslateInstance(origin.getX(), origin.getY());
610 at.rotate(phi + (hand ? 0 : Math.toRadians(180)));
611 at.translate(-point.getX() + offset, -point.getY());
612 path.append(at.createTransformedShape(shape), false);
613 double advance = gv.getGlyphMetrics(i).getAdvance();
614 offset += advance;
615 phi += (hand ? -0.5 : +0.5) * advance / radial;
616 g2.fill(path);
617 }
618 }
619 }
620 }
621 }
622}
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