source: josm/trunk/src/org/openstreetmap/josm/gui/mappaint/RenderingCLI.java@ 17318

Last change on this file since 17318 was 16818, checked in by simon04, 4 years ago

RenderingCLI: tune logging
File size: 26.2 KB
Line 
1// License: GPL. For details, see LICENSE file.
2package org.openstreetmap.josm.gui.mappaint;
3
4import static org.openstreetmap.josm.tools.I18n.tr;
5
6import java.awt.Dimension;
7import java.awt.image.BufferedImage;
8import java.io.File;
9import java.io.FileNotFoundException;
10import java.io.IOException;
11import java.io.InputStream;
12import java.nio.file.NoSuchFileException;
13import java.nio.file.Paths;
14import java.util.ArrayList;
15import java.util.Arrays;
16import java.util.List;
17import java.util.Locale;
18import java.util.Optional;
19import java.util.function.DoubleSupplier;
20import java.util.logging.Level;
21
22import javax.imageio.ImageIO;
23
24import org.openstreetmap.gui.jmapviewer.OsmMercator;
25import org.openstreetmap.josm.cli.CLIModule;
26import org.openstreetmap.josm.data.Bounds;
27import org.openstreetmap.josm.data.ProjectionBounds;
28import org.openstreetmap.josm.data.coor.EastNorth;
29import org.openstreetmap.josm.data.coor.LatLon;
30import org.openstreetmap.josm.data.coor.conversion.LatLonParser;
31import org.openstreetmap.josm.data.osm.DataSet;
32import org.openstreetmap.josm.data.preferences.JosmBaseDirectories;
33import org.openstreetmap.josm.data.preferences.JosmUrls;
34import org.openstreetmap.josm.data.projection.Projection;
35import org.openstreetmap.josm.data.projection.ProjectionRegistry;
36import org.openstreetmap.josm.data.projection.Projections;
37import org.openstreetmap.josm.gui.mappaint.RenderingHelper.StyleData;
38import org.openstreetmap.josm.io.Compression;
39import org.openstreetmap.josm.io.IllegalDataException;
40import org.openstreetmap.josm.io.OsmReader;
41import org.openstreetmap.josm.spi.preferences.Config;
42import org.openstreetmap.josm.spi.preferences.MemoryPreferences;
43import org.openstreetmap.josm.tools.Http1Client;
44import org.openstreetmap.josm.tools.HttpClient;
45import org.openstreetmap.josm.tools.JosmDecimalFormatSymbolsProvider;
46import org.openstreetmap.josm.tools.Logging;
47import org.openstreetmap.josm.tools.OptionParser;
48import org.openstreetmap.josm.tools.OptionParser.OptionCount;
49import org.openstreetmap.josm.tools.OptionParser.OptionParseException;
50import org.openstreetmap.josm.tools.Stopwatch;
51import org.openstreetmap.josm.tools.Territories;
52
53/**
54 * Command line interface for rendering osm data to an image file.
55 *
56 * @since 12906
57 */
58public class RenderingCLI implements CLIModule {
59
60 /**
61 * The singleton instance of this class.
62 */
63 public static final RenderingCLI INSTANCE = new RenderingCLI();
64
65 private static final double PIXEL_PER_METER = 96 / 2.54 * 100; // standard value of 96 dpi display resolution
66 private static final int DEFAULT_MAX_IMAGE_SIZE = 20000;
67
68 private boolean argDebug;
69 private boolean argTrace;
70 private String argInput;
71 private String argOutput;
72 private List<StyleData> argStyles;
73 private Integer argZoom;
74 private Double argScale;
75 private Bounds argBounds;
76 private LatLon argAnchor;
77 private Double argWidthM;
78 private Double argHeightM;
79 private Integer argWidthPx;
80 private Integer argHeightPx;
81 private String argProjection;
82 private Integer argMaxImageSize;
83
84 private StyleData argCurrentStyle;
85
86 private enum Option {
87 HELP(false, 'h'),
88 DEBUG(false, '*'),
89 TRACE(false, '*'),
90 INPUT(true, 'i'),
91 STYLE(true, 's'),
92 SETTING(true, '*'),
93 OUTPUT(true, 'o'),
94 ZOOM(true, 'z'),
95 SCALE(true, '*'),
96 BOUNDS(true, 'b'),
97 ANCHOR(true, '*'),
98 WIDTH_M(true, '*'),
99 HEIGHT_M(true, '*'),
100 WIDTH_PX(true, '*'),
101 HEIGHT_PX(true, '*'),
102 PROJECTION(true, '*'),
103 MAX_IMAGE_SIZE(true, '*');
104
105 private final String name;
106 private final boolean requiresArg;
107 private final char shortOption;
108
109 Option(boolean requiresArgument, char shortOption) {
110 this.name = name().toLowerCase(Locale.US).replace('_', '-');
111 this.requiresArg = requiresArgument;
112 this.shortOption = shortOption;
113 }
114
115 /**
116 * Replies the option name
117 * @return The option name, in lowercase
118 */
119 public String getName() {
120 return name;
121 }
122
123 /**
124 * Determines if this option requires an argument.
125 * @return {@code true} if this option requires an argument, {@code false} otherwise
126 */
127 public boolean requiresArgument() {
128 return requiresArg;
129 }
130
131 /**
132 * Replies the short option (single letter) associated with this option.
133 * @return the short option or '*' if there is no short option
134 */
135 public char getShortOption() {
136 return shortOption;
137 }
138 }
139
140 /**
141 * Data class to hold return values for {@link #determineRenderingArea(DataSet)}.
142 *
143 * Package private access for unit tests.
144 */
145 static class RenderingArea {
146 public Bounds bounds;
147 public double scale; // in east-north units per pixel (unlike the --scale option, which is in meter per meter)
148 }
149
150 RenderingCLI() {
151 // hide constructor (package private access for unit tests)
152 }
153
154 @Override
155 public String getActionKeyword() {
156 return "render";
157 }
158
159 @Override
160 public void processArguments(String[] argArray) {
161 try {
162 parseArguments(argArray);
163 initialize();
164 Stopwatch stopwatch = Stopwatch.createStarted();
165 String task = tr("Rendering {0} to {1}", argInput, argOutput);
166 System.err.println(task);
167 DataSet ds = loadDataset();
168 RenderingArea area = determineRenderingArea(ds);
169 RenderingHelper rh = new RenderingHelper(ds, area.bounds, area.scale, argStyles);
170 checkPreconditions(rh);
171 BufferedImage image = rh.render();
172 writeImageToFile(image);
173 System.err.println(stopwatch.toString(task));
174 } catch (FileNotFoundException | NoSuchFileException e) {
175 if (Logging.isDebugEnabled()) {
176 e.printStackTrace();
177 }
178 System.err.println(tr("Error - file not found: ''{0}''", e.getMessage()));
179 System.exit(1);
180 } catch (IllegalArgumentException | IllegalDataException | IOException e) {
181 if (Logging.isDebugEnabled()) {
182 e.printStackTrace();
183 }
184 if (e.getMessage() != null) {
185 System.err.println(tr("Error: {0}", e.getMessage()));
186 }
187 System.exit(1);
188 }
189 System.exit(0);
190 }
191
192 /**
193 * Parse command line arguments and do some low-level error checking.
194 * @param argArray the arguments array
195 */
196 void parseArguments(String[] argArray) {
197 Logging.setLogLevel(Level.INFO);
198
199 OptionParser parser = new OptionParser("JOSM rendering");
200 for (Option o : Option.values()) {
201 if (o.requiresArgument()) {
202 parser.addArgumentParameter(o.getName(),
203 o == Option.SETTING ? OptionCount.MULTIPLE : OptionCount.OPTIONAL,
204 arg -> handleOption(o, arg));
205 } else {
206 parser.addFlagParameter(o.getName(), () -> handleOption(o));
207 }
208 if (o.getShortOption() != '*') {
209 parser.addShortAlias(o.getName(), Character.toString(o.getShortOption()));
210 }
211 }
212
213 argCurrentStyle = new StyleData();
214 argStyles = new ArrayList<>();
215
216 parser.parseOptionsOrExit(Arrays.asList(argArray));
217
218 if (argCurrentStyle.styleUrl != null) {
219 argStyles.add(argCurrentStyle);
220 } else if (argStyles.isEmpty()) {
221 argCurrentStyle.styleUrl = "resource://styles/standard/elemstyles.mapcss";
222 argStyles.add(argCurrentStyle);
223 }
224 }
225
226 private void handleOption(Option o) {
227 switch (o) {
228 case HELP:
229 showHelp();
230 System.exit(0);
231 break;
232 case DEBUG:
233 argDebug = true;
234 break;
235 case TRACE:
236 argTrace = true;
237 break;
238 default:
239 throw new AssertionError("Unexpected option index: " + o);
240 }
241 }
242
243 private void handleOption(Option o, String arg) {
244 switch (o) {
245 case INPUT:
246 argInput = arg;
247 break;
248 case STYLE:
249 if (argCurrentStyle.styleUrl != null) {
250 argStyles.add(argCurrentStyle);
251 argCurrentStyle = new StyleData();
252 }
253 argCurrentStyle.styleUrl = arg;
254 break;
255 case OUTPUT:
256 argOutput = arg;
257 break;
258 case ZOOM:
259 try {
260 argZoom = Integer.valueOf(arg);
261 } catch (NumberFormatException nfe) {
262 throw new OptionParseException(
263 tr("Expected integer number for option {0}, but got ''{1}''", "--zoom", arg), nfe);
264 }
265 if (argZoom < 0) {
266 throw new OptionParseException(
267 tr("Expected integer number >= 0 for option {0}, but got ''{1}''", "--zoom", arg));
268 }
269 break;
270 case BOUNDS:
271 if (!"auto".equals(arg)) {
272 try {
273 argBounds = new Bounds(arg, ",", Bounds.ParseMethod.LEFT_BOTTOM_RIGHT_TOP, false);
274 } catch (IllegalArgumentException iae) { // NOPMD
275 throw new OptionParseException(
276 tr("Unable to parse {0} parameter: {1}", "--bounds", iae.getMessage()), iae);
277 }
278 }
279 break;
280
281 case SETTING:
282 String keyval = arg;
283 String[] comp = keyval.split(":", 2);
284 if (comp.length != 2) {
285 throw new OptionParseException(
286 tr("Expected key and value, separated by '':'' character for option {0}, but got ''{1}''",
287 "--setting", arg));
288 }
289 argCurrentStyle.settings.put(comp[0].trim(), comp[1].trim());
290 break;
291 case SCALE:
292 try {
293 argScale = JosmDecimalFormatSymbolsProvider.parseDouble(arg);
294 } catch (NumberFormatException nfe) {
295 throw new OptionParseException(
296 tr("Expected floating point number for option {0}, but got ''{1}''", "--scale", arg), nfe);
297 }
298 break;
299 case ANCHOR:
300 String[] parts = arg.split(",", -1);
301 if (parts.length != 2)
302 throw new OptionParseException(
303 tr("Expected two coordinates, separated by comma, for option {0}, but got ''{1}''", "--anchor",
304 arg));
305 try {
306 double lon = LatLonParser.parseCoordinate(parts[0]);
307 double lat = LatLonParser.parseCoordinate(parts[1]);
308 argAnchor = new LatLon(lat, lon);
309 } catch (IllegalArgumentException iae) { // NOPMD
310 throw new OptionParseException(tr("In option {0}: {1}", "--anchor", iae.getMessage()), iae);
311 }
312 break;
313 case WIDTH_M:
314 try {
315 argWidthM = JosmDecimalFormatSymbolsProvider.parseDouble(arg);
316 } catch (NumberFormatException nfe) {
317 throw new OptionParseException(
318 tr("Expected floating point number for option {0}, but got ''{1}''", "--width-m", arg), nfe);
319 }
320 if (argWidthM <= 0)
321 throw new OptionParseException(
322 tr("Expected floating point number > 0 for option {0}, but got ''{1}''", "--width-m", arg));
323 break;
324 case HEIGHT_M:
325 try {
326 argHeightM = JosmDecimalFormatSymbolsProvider.parseDouble(arg);
327 } catch (NumberFormatException nfe) {
328 throw new OptionParseException(
329 tr("Expected floating point number for option {0}, but got ''{1}''", "--height-m", arg), nfe);
330 }
331 if (argHeightM <= 0)
332 throw new OptionParseException(
333 tr("Expected floating point number > 0 for option {0}, but got ''{1}''", "--width-m", arg));
334 break;
335 case WIDTH_PX:
336 try {
337 argWidthPx = Integer.valueOf(arg);
338 } catch (NumberFormatException nfe) {
339 throw new OptionParseException(
340 tr("Expected integer number for option {0}, but got ''{1}''", "--width-px", arg), nfe);
341 }
342 if (argWidthPx <= 0)
343 throw new OptionParseException(
344 tr("Expected integer number > 0 for option {0}, but got ''{1}''", "--width-px", arg));
345 break;
346 case HEIGHT_PX:
347 try {
348 argHeightPx = Integer.valueOf(arg);
349 } catch (NumberFormatException nfe) {
350 throw new OptionParseException(
351 tr("Expected integer number for option {0}, but got ''{1}''", "--height-px", arg), nfe);
352 }
353 if (argHeightPx <= 0) {
354 throw new OptionParseException(
355 tr("Expected integer number > 0 for option {0}, but got ''{1}''", "--height-px", arg));
356 }
357 break;
358 case PROJECTION:
359 argProjection = arg;
360 break;
361 case MAX_IMAGE_SIZE:
362 try {
363 argMaxImageSize = Integer.valueOf(arg);
364 } catch (NumberFormatException nfe) {
365 throw new OptionParseException(
366 tr("Expected integer number for option {0}, but got ''{1}''", "--max-image-size", arg), nfe);
367 }
368 if (argMaxImageSize < 0) {
369 throw new OptionParseException(
370 tr("Expected integer number >= 0 for option {0}, but got ''{1}''", "--max-image-size", arg));
371 }
372 break;
373 default:
374 throw new AssertionError("Unexpected option index: " + o);
375 }
376 }
377
378 /**
379 * Displays help on the console
380 */
381 public static void showHelp() {
382 System.out.println(getHelp());
383 }
384
385 private static String getHelp() {
386 return tr("JOSM rendering command line interface")+"\n\n"+
387 tr("Usage")+":\n"+
388 "\tjava -jar josm.jar render <options>\n\n"+
389 tr("Description")+":\n"+
390 tr("Renders data and saves the result to an image file.")+"\n\n"+
391 tr("Options")+":\n"+
392 "\t--help|-h "+tr("Show this help")+"\n"+
393 "\t--input|-i <file> "+tr("Input data file name (.osm)")+"\n"+
394 "\t--output|-o <file> "+tr("Output image file name (.png); defaults to ''{0}''", "out.png")+"\n"+
395 "\t--style|-s <file> "+tr("Style file to use for rendering (.mapcss or .zip)")+"\n"+
396 "\t "+tr("This option can be repeated to load multiple styles.")+"\n"+
397 "\t--setting <key>:<value> "+tr("Style setting (in JOSM accessible in the style list dialog right click menu)")+"\n"+
398 "\t "+tr("Applies to the last style loaded with the {0} option.", "--style")+"\n"+
399 "\t--zoom|-z <lvl> "+tr("Select zoom level to render. (integer value, 0=entire earth, 18=street level)")+"\n"+
400 "\t--scale <scale> "+tr("Select the map scale")+"\n"+
401 "\t "+tr("A value of 10000 denotes a scale of 1:10000 (1 cm on the map equals 100 m on the ground; "
402 + "display resolution: 96 dpi)")+"\n"+
403 "\t "+tr("Options {0} and {1} are mutually exclusive.", "--zoom", "--scale")+"\n"+
404 "\t--bounds|-b auto|<min_lon>,<min_lat>,<max_lon>,<max_lat>\n"+
405 "\t "+tr("Area to render, default value is ''{0}''", "auto")+"\n"+
406 "\t "+tr("With keyword ''{0}'', the downloaded area in the .osm input file will be used (if recorded).",
407 "auto")+"\n"+
408 "\t--anchor <lon>,<lat> "+tr("Specify bottom left corner of the rendering area")+"\n"+
409 "\t "+tr("Used in combination with width and height options to determine the area to render.")+"\n"+
410 "\t--width-m <number> "+tr("Width of the rendered area, in meter")+"\n"+
411 "\t--height-m <number> "+tr("Height of the rendered area, in meter")+"\n"+
412 "\t--width-px <number> "+tr("Width of the target image, in pixel")+"\n"+
413 "\t--height-px <number> "+tr("Height of the target image, in pixel")+"\n"+
414 "\t--projection <code> "+tr("Projection to use, default value ''{0}'' (web-Mercator)", "epsg:3857")+"\n"+
415 "\t--max-image-size <number> "+tr("Maximum image width/height in pixel (''{0}'' means no limit), default value: {1}",
416 0, Integer.toString(DEFAULT_MAX_IMAGE_SIZE))+"\n"+
417 "\n"+
418 tr("To specify the rendered area and scale, the options can be combined in various ways")+":\n"+
419 " * --bounds (--zoom|--scale|--width-px|--height-px)\n"+
420 " * --anchor (--width-m|--width-px) (--height-m|--height-px) (--zoom|--scale)\n"+
421 " * --anchor --width-m --height-m (--width-px|--height-px)\n"+
422 " * --anchor --width-px --height-px (--width-m|--height-m)\n"+
423 tr("If neither ''{0}'' nor ''{1}'' is given, the default value {2} takes effect "
424 + "and the bounds of the download area in the .osm input file are used.",
425 "bounds", "anchor", "--bounds=auto")+"\n\n"+
426 tr("Examples")+":\n"+
427 " java -jar josm.jar render -i data.osm -s style.mapcss -z 16\n"+
428 " josm render -i data.osm -s style.mapcss --scale 5000\n"+
429 " josm render -i data.osm -s style.mapcss -z 16 -o image.png\n"+
430 " josm render -i data.osm -s elemstyles.mapcss --setting hide_icons:false -z 16\n"+
431 " josm render -i data.osm -s style.mapcss -s another_style.mapcss -z 16 -o image.png\n"+
432 " josm render -i data.osm -s style.mapcss --bounds 21.151,51.401,21.152,51.402 -z 16\n"+
433 " josm render -i data.osm -s style.mapcss --anchor 21.151,51.401 --width-m 500 --height-m 300 -z 16\n"+
434 " josm render -i data.osm -s style.mapcss --anchor 21.151,51.401 --width-m 500 --height-m 300 --width-px 1800\n"+
435 " josm render -i data.osm -s style.mapcss --scale 5000 --projection epsg:4326\n";
436 }
437
438 /**
439 * Initialization.
440 *
441 * Requires arguments to be parsed already ({@link #parseArguments(java.lang.String[])}).
442 */
443 void initialize() {
444 Logging.setLogLevel(getLogLevel());
445 HttpClient.setFactory(Http1Client::new);
446
447 Config.setBaseDirectoriesProvider(JosmBaseDirectories.getInstance()); // for right-left-hand traffic cache file
448 Config.setPreferencesInstance(new MemoryPreferences());
449 Config.setUrlsProvider(JosmUrls.getInstance());
450 Config.getPref().putBoolean("mappaint.auto_reload_local_styles", false); // unnecessary to listen for external changes
451 String projCode = Optional.ofNullable(argProjection).orElse("epsg:3857");
452 ProjectionRegistry.setProjection(Projections.getProjectionByCode(projCode.toUpperCase(Locale.US)));
453
454 Territories.initializeInternalData();
455 }
456
457 private Level getLogLevel() {
458 if (argTrace) {
459 return Logging.LEVEL_TRACE;
460 } else if (argDebug) {
461 return Logging.LEVEL_DEBUG;
462 } else {
463 return Logging.LEVEL_INFO;
464 }
465 }
466
467 /**
468 * Find the area to render and the scale, given certain command line options and the dataset.
469 * @param ds the dataset
470 * @return area to render and the scale
471 */
472 RenderingArea determineRenderingArea(DataSet ds) {
473
474 Projection proj = ProjectionRegistry.getProjection();
475 Double scale = null; // scale in east-north units per pixel
476 if (argZoom != null) {
477 scale = OsmMercator.EARTH_RADIUS * Math.PI * 2 / Math.pow(2, argZoom) / OsmMercator.DEFAUL_TILE_SIZE
478 / proj.getMetersPerUnit();
479 }
480 Bounds bounds = argBounds;
481 ProjectionBounds pb = null;
482
483 if (bounds == null) {
484 if (argAnchor != null) {
485 EastNorth projAnchor = proj.latlon2eastNorth(argAnchor);
486
487 double enPerMeter = Double.NaN;
488 DoubleSupplier getEnPerMeter = () -> {
489 double shiftMeter = 10;
490 EastNorth projAnchorShifted = projAnchor.add(shiftMeter / proj.getMetersPerUnit(),
491 shiftMeter / proj.getMetersPerUnit());
492 LatLon anchorShifted = proj.eastNorth2latlon(projAnchorShifted);
493 return projAnchor.distance(projAnchorShifted) / argAnchor.greatCircleDistance(anchorShifted);
494 };
495
496 if (scale == null) {
497 if (argScale != null) {
498 enPerMeter = getEnPerMeter.getAsDouble();
499 scale = argScale * enPerMeter / PIXEL_PER_METER;
500 } else if (argWidthM != null && argWidthPx != null) {
501 enPerMeter = getEnPerMeter.getAsDouble();
502 scale = argWidthM / argWidthPx * enPerMeter;
503 } else if (argHeightM != null && argHeightPx != null) {
504 enPerMeter = getEnPerMeter.getAsDouble();
505 scale = argHeightM / argHeightPx * enPerMeter;
506 } else {
507 throw new IllegalArgumentException(
508 tr("Argument {0} given, but scale cannot be determined from remaining arguments",
509 "--anchor"));
510 }
511 }
512
513 double widthEn;
514 if (argWidthM != null) {
515 if (Double.isNaN(enPerMeter)) {
516 enPerMeter = getEnPerMeter.getAsDouble();
517 }
518 widthEn = argWidthM * enPerMeter;
519 } else if (argWidthPx != null) {
520 widthEn = argWidthPx * scale;
521 } else {
522 throw new IllegalArgumentException(
523 tr("Argument {0} given, expected {1} or {2}", "--anchor", "--width-m", "--width-px"));
524 }
525
526 double heightEn;
527 if (argHeightM != null) {
528 if (Double.isNaN(enPerMeter)) {
529 enPerMeter = getEnPerMeter.getAsDouble();
530 }
531 heightEn = argHeightM * enPerMeter;
532 } else if (argHeightPx != null) {
533 heightEn = argHeightPx * scale;
534 } else {
535 throw new IllegalArgumentException(
536 tr("Argument {0} given, expected {1} or {2}", "--anchor", "--height-m", "--height-px"));
537 }
538 pb = new ProjectionBounds(projAnchor);
539 pb.extend(new EastNorth(projAnchor.east() + widthEn, projAnchor.north() + heightEn));
540 bounds = new Bounds(proj.eastNorth2latlon(pb.getMin()), false);
541 bounds.extend(proj.eastNorth2latlon(pb.getMax()));
542 } else {
543 if (ds.getDataSourceBounds().isEmpty()) {
544 throw new IllegalArgumentException(
545 tr("{0} mode, but no bounds found in osm data input file", "--bounds=auto"));
546 }
547 bounds = ds.getDataSourceBounds().get(0);
548 }
549 }
550
551 if (pb == null) {
552 pb = new ProjectionBounds();
553 pb.extend(proj.latlon2eastNorth(bounds.getMin()));
554 pb.extend(proj.latlon2eastNorth(bounds.getMax()));
555 }
556
557 if (scale == null) {
558 if (argScale != null) {
559 double enPerMeter = pb.getMin().distance(pb.getMax())
560 / bounds.getMin().greatCircleDistance(bounds.getMax());
561 scale = argScale * enPerMeter / PIXEL_PER_METER;
562 } else if (argWidthPx != null) {
563 scale = (pb.maxEast - pb.minEast) / argWidthPx;
564 } else if (argHeightPx != null) {
565 scale = (pb.maxNorth - pb.minNorth) / argHeightPx;
566 } else {
567 throw new IllegalArgumentException(
568 tr("Unable to determine scale, one of the options {0}, {1}, {2} or {3} expected", "--zoom",
569 "--scale", "--width-px", "--height-px"));
570 }
571 }
572
573 RenderingArea ra = new RenderingArea();
574 ra.bounds = bounds;
575 ra.scale = scale;
576 return ra;
577 }
578
579 private DataSet loadDataset() throws IOException, IllegalDataException {
580 if (argInput == null) {
581 throw new IllegalArgumentException(tr("Missing argument - input data file ({0})", "--input|-i"));
582 }
583 try (InputStream inputStream = Compression.getUncompressedFileInputStream(Paths.get(argInput))) {
584 return OsmReader.parseDataSet(inputStream, null);
585 } catch (IllegalDataException e) {
586 throw new IllegalDataException(tr("In .osm data file ''{0}'' - ", argInput) + e.getMessage(), e);
587 }
588 }
589
590 private void checkPreconditions(RenderingHelper rh) {
591 Dimension imgSize = rh.getImageSize();
592 Logging.debug("image size (px): {0}x{1}", imgSize.width, imgSize.height);
593 int maxSize = Optional.ofNullable(argMaxImageSize).orElse(DEFAULT_MAX_IMAGE_SIZE);
594 if (maxSize != 0 && (imgSize.width > maxSize || imgSize.height > maxSize)) {
595 throw new IllegalArgumentException(
596 tr("Image dimensions ({0}x{1}) exceeds maximum image size {2} (use option {3} to change limit)",
597 imgSize.width, imgSize.height, maxSize, "--max-image-size"));
598 }
599 }
600
601 private void writeImageToFile(BufferedImage image) throws IOException {
602 String output = Optional.ofNullable(argOutput).orElse("out.png");
603 ImageIO.write(image, "png", new File(output));
604 }
605}
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