source: josm/trunk/src/org/openstreetmap/josm/gui/mappaint/RenderingCLI.java@ 13187

Last change on this file since 13187 was 13050, checked in by Don-vip, 7 years ago

fix #14602 - allow both dot and comma decimal separator everywhere possible for user-entered values
File size: 26.3 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.FileInputStream;
10import java.io.FileNotFoundException;
11import java.io.IOException;
12import java.util.ArrayList;
13import java.util.List;
14import java.util.Locale;
15import java.util.Optional;
16import java.util.function.Supplier;
17import java.util.logging.Level;
18
19import javax.imageio.ImageIO;
20
21import org.openstreetmap.gui.jmapviewer.OsmMercator;
22import org.openstreetmap.josm.CLIModule;
23import org.openstreetmap.josm.Main;
24import org.openstreetmap.josm.data.Bounds;
25import org.openstreetmap.josm.data.ProjectionBounds;
26import org.openstreetmap.josm.data.coor.EastNorth;
27import org.openstreetmap.josm.data.coor.LatLon;
28import org.openstreetmap.josm.data.coor.conversion.LatLonParser;
29import org.openstreetmap.josm.data.osm.DataSet;
30import org.openstreetmap.josm.data.preferences.JosmBaseDirectories;
31import org.openstreetmap.josm.data.projection.Projection;
32import org.openstreetmap.josm.data.projection.Projections;
33import org.openstreetmap.josm.gui.mappaint.RenderingHelper.StyleData;
34import org.openstreetmap.josm.io.IllegalDataException;
35import org.openstreetmap.josm.io.OsmReader;
36import org.openstreetmap.josm.spi.preferences.Config;
37import org.openstreetmap.josm.spi.preferences.MemoryPreferences;
38import org.openstreetmap.josm.tools.I18n;
39import org.openstreetmap.josm.tools.JosmDecimalFormatSymbolsProvider;
40import org.openstreetmap.josm.tools.Logging;
41import org.openstreetmap.josm.tools.RightAndLefthandTraffic;
42
43import gnu.getopt.Getopt;
44import gnu.getopt.LongOpt;
45
46/**
47 * Command line interface for rendering osm data to an image file.
48 *
49 * @since 12906
50 */
51public class RenderingCLI implements CLIModule {
52
53 /**
54 * The singleton instance of this class.
55 */
56 public static final RenderingCLI INSTANCE = new RenderingCLI();
57
58 private static final double PIXEL_PER_METER = 96 / 2.54 * 100; // standard value of 96 dpi display resolution
59 private static final int DEFAULT_MAX_IMAGE_SIZE = 20000;
60
61 private boolean argDebug;
62 private boolean argTrace;
63 private String argInput;
64 private String argOutput;
65 private List<StyleData> argStyles;
66 private Integer argZoom;
67 private Double argScale;
68 private Bounds argBounds;
69 private LatLon argAnchor;
70 private Double argWidthM;
71 private Double argHeightM;
72 private Integer argWidthPx;
73 private Integer argHeightPx;
74 private String argProjection;
75 private Integer argMaxImageSize;
76
77 private enum Option {
78 HELP(false, 'h'),
79 DEBUG(false, '*'),
80 TRACE(false, '*'),
81 INPUT(true, 'i'),
82 STYLE(true, 's'),
83 SETTING(true, '*'),
84 OUTPUT(true, 'o'),
85 ZOOM(true, 'z'),
86 SCALE(true, '*'),
87 BOUNDS(true, 'b'),
88 ANCHOR(true, '*'),
89 WIDTH_M(true, '*'),
90 HEIGHT_M(true, '*'),
91 WIDTH_PX(true, '*'),
92 HEIGHT_PX(true, '*'),
93 PROJECTION(true, '*'),
94 MAX_IMAGE_SIZE(true, '*');
95
96 private final String name;
97 private final boolean requiresArg;
98 private final char shortOption;
99
100 Option(boolean requiresArgument, char shortOption) {
101 this.name = name().toLowerCase(Locale.US).replace('_', '-');
102 this.requiresArg = requiresArgument;
103 this.shortOption = shortOption;
104 }
105
106 /**
107 * Replies the option name
108 * @return The option name, in lowercase
109 */
110 public String getName() {
111 return name;
112 }
113
114 /**
115 * Determines if this option requires an argument.
116 * @return {@code true} if this option requires an argument, {@code false} otherwise
117 */
118 public boolean requiresArgument() {
119 return requiresArg;
120 }
121
122 /**
123 * Replies the short option (single letter) associated with this option.
124 * @return the short option or '*' if there is no short option
125 */
126 public char getShortOption() {
127 return shortOption;
128 }
129
130 LongOpt toLongOpt() {
131 return new LongOpt(getName(), requiresArgument() ? LongOpt.REQUIRED_ARGUMENT : LongOpt.NO_ARGUMENT, null, getShortOption());
132 }
133 }
134
135 /**
136 * Data class to hold return values for {@link #determineRenderingArea(DataSet)}.
137 *
138 * Package private access for unit tests.
139 */
140 static class RenderingArea {
141 public Bounds bounds;
142 public double scale; // in east-north units per pixel (unlike the --scale option, which is in meter per meter)
143 }
144
145 RenderingCLI() {
146 // hide constructor (package private access for unit tests)
147 }
148
149 @Override
150 public String getActionKeyword() {
151 return "render";
152 }
153
154 @Override
155 public void processArguments(String[] argArray) {
156 try {
157 parseArguments(argArray);
158 initialize();
159 DataSet ds = loadDataset();
160 RenderingArea area = determineRenderingArea(ds);
161 RenderingHelper rh = new RenderingHelper(ds, area.bounds, area.scale, argStyles);
162 checkPreconditions(rh);
163 BufferedImage image = rh.render();
164 writeImageToFile(image);
165 } catch (FileNotFoundException e) {
166 if (Logging.isDebugEnabled()) {
167 e.printStackTrace();
168 }
169 System.err.println(tr("Error - file not found: ''{0}''", e.getMessage()));
170 System.exit(1);
171 } catch (IllegalArgumentException | IllegalDataException | IOException e) {
172 if (Logging.isDebugEnabled()) {
173 e.printStackTrace();
174 }
175 if (e.getMessage() != null) {
176 System.err.println(tr("Error: {0}", e.getMessage()));
177 }
178 System.exit(1);
179 }
180 System.exit(0);
181 }
182
183 /**
184 * Parse command line arguments and do some low-level error checking.
185 * @param argArray the arguments array
186 */
187 void parseArguments(String[] argArray) {
188 Getopt.setI18nHandler(I18n::tr);
189 Logging.setLogLevel(Level.INFO);
190
191 LongOpt[] opts = new LongOpt[Option.values().length];
192 StringBuilder optString = new StringBuilder();
193 for (Option o : Option.values()) {
194 opts[o.ordinal()] = o.toLongOpt();
195 if (o.getShortOption() != '*') {
196 optString.append(o.getShortOption());
197 if (o.requiresArgument()) {
198 optString.append(':');
199 }
200 }
201 }
202
203 Getopt getopt = new Getopt("JOSM rendering", argArray, optString.toString(), opts);
204
205 StyleData currentStyle = new StyleData();
206 argStyles = new ArrayList<>();
207
208 int c;
209 while ((c = getopt.getopt()) != -1) {
210 switch (c) {
211 case 'h':
212 showHelp();
213 System.exit(0);
214 case 'i':
215 argInput = getopt.getOptarg();
216 break;
217 case 's':
218 if (currentStyle.styleUrl != null) {
219 argStyles.add(currentStyle);
220 currentStyle = new StyleData();
221 }
222 currentStyle.styleUrl = getopt.getOptarg();
223 break;
224 case 'o':
225 argOutput = getopt.getOptarg();
226 break;
227 case 'z':
228 try {
229 argZoom = Integer.parseInt(getopt.getOptarg());
230 } catch (NumberFormatException nfe) {
231 throw new IllegalArgumentException(
232 tr("Expected integer number for option {0}, but got ''{1}''", "--zoom", getopt.getOptarg()));
233 }
234 if (argZoom < 0)
235 throw new IllegalArgumentException(
236 tr("Expected integer number >= 0 for option {0}, but got ''{1}''", "--zoom", getopt.getOptarg()));
237 break;
238 case 'b':
239 if (!getopt.getOptarg().equals("auto")) {
240 try {
241 argBounds = new Bounds(getopt.getOptarg(), ",", Bounds.ParseMethod.LEFT_BOTTOM_RIGHT_TOP, false);
242 } catch (IllegalArgumentException iae) { // NOPMD
243 throw new IllegalArgumentException(tr("Unable to parse {0} parameter: {1}", "--bounds", iae.getMessage()));
244 }
245 }
246 break;
247 case '*':
248 switch (Option.values()[getopt.getLongind()]) {
249 case DEBUG:
250 argDebug = true;
251 break;
252 case TRACE:
253 argTrace = true;
254 break;
255 case SETTING:
256 String keyval = getopt.getOptarg();
257 String[] comp = keyval.split(":");
258 if (comp.length != 2)
259 throw new IllegalArgumentException(
260 tr("Expected key and value, separated by '':'' character for option {0}, but got ''{1}''",
261 "--setting", getopt.getOptarg()));
262 currentStyle.settings.put(comp[0].trim(), comp[1].trim());
263 break;
264 case SCALE:
265 try {
266 argScale = JosmDecimalFormatSymbolsProvider.parseDouble(getopt.getOptarg());
267 } catch (NumberFormatException nfe) {
268 throw new IllegalArgumentException(
269 tr("Expected floating point number for option {0}, but got ''{1}''", "--scale", getopt.getOptarg()));
270 }
271 break;
272 case ANCHOR:
273 String[] parts = getopt.getOptarg().split(",");
274 if (parts.length != 2)
275 throw new IllegalArgumentException(
276 tr("Expected two coordinates, separated by comma, for option {0}, but got ''{1}''",
277 "--anchor", getopt.getOptarg()));
278 try {
279 double lon = LatLonParser.parseCoordinate(parts[0]);
280 double lat = LatLonParser.parseCoordinate(parts[1]);
281 argAnchor = new LatLon(lat, lon);
282 } catch (IllegalArgumentException iae) { // NOPMD
283 throw new IllegalArgumentException(tr("In option {0}: {1}", "--anchor", iae.getMessage()));
284 }
285 break;
286 case WIDTH_M:
287 try {
288 argWidthM = JosmDecimalFormatSymbolsProvider.parseDouble(getopt.getOptarg());
289 } catch (NumberFormatException nfe) {
290 throw new IllegalArgumentException(
291 tr("Expected floating point number for option {0}, but got ''{1}''", "--width-m", getopt.getOptarg()));
292 }
293 if (argWidthM <= 0) throw new IllegalArgumentException(
294 tr("Expected floating point number > 0 for option {0}, but got ''{1}''", "--width-m", getopt.getOptarg()));
295 break;
296 case HEIGHT_M:
297 try {
298 argHeightM = JosmDecimalFormatSymbolsProvider.parseDouble(getopt.getOptarg());
299 } catch (NumberFormatException nfe) {
300 throw new IllegalArgumentException(
301 tr("Expected floating point number for option {0}, but got ''{1}''", "--height-m", getopt.getOptarg()));
302 }
303 if (argHeightM <= 0) throw new IllegalArgumentException(
304 tr("Expected floating point number > 0 for option {0}, but got ''{1}''", "--width-m", getopt.getOptarg()));
305 break;
306 case WIDTH_PX:
307 try {
308 argWidthPx = Integer.parseInt(getopt.getOptarg());
309 } catch (NumberFormatException nfe) {
310 throw new IllegalArgumentException(
311 tr("Expected integer number for option {0}, but got ''{1}''", "--width-px", getopt.getOptarg()));
312 }
313 if (argWidthPx <= 0) throw new IllegalArgumentException(
314 tr("Expected integer number > 0 for option {0}, but got ''{1}''", "--width-px", getopt.getOptarg()));
315 break;
316 case HEIGHT_PX:
317 try {
318 argHeightPx = Integer.parseInt(getopt.getOptarg());
319 } catch (NumberFormatException nfe) {
320 throw new IllegalArgumentException(
321 tr("Expected integer number for option {0}, but got ''{1}''", "--height-px", getopt.getOptarg()));
322 }
323 if (argHeightPx <= 0) throw new IllegalArgumentException(
324 tr("Expected integer number > 0 for option {0}, but got ''{1}''", "--height-px", getopt.getOptarg()));
325 break;
326 case PROJECTION:
327 argProjection = getopt.getOptarg();
328 break;
329 case MAX_IMAGE_SIZE:
330 try {
331 argMaxImageSize = Integer.parseInt(getopt.getOptarg());
332 } catch (NumberFormatException nfe) {
333 throw new IllegalArgumentException(
334 tr("Expected integer number for option {0}, but got ''{1}''", "--max-image-size", getopt.getOptarg()));
335 }
336 if (argMaxImageSize < 0) throw new IllegalArgumentException(
337 tr("Expected integer number >= 0 for option {0}, but got ''{1}''", "--max-image-size", getopt.getOptarg()));
338 break;
339 default:
340 throw new AssertionError("Unexpected option index: " + getopt.getLongind());
341 }
342 break;
343 case '?':
344 throw new IllegalArgumentException(); // getopt error
345 default:
346 throw new AssertionError("Unrecognized option: " + c);
347 }
348 }
349 if (currentStyle.styleUrl != null) {
350 argStyles.add(currentStyle);
351 }
352 }
353
354 /**
355 * Displays help on the console
356 */
357 public static void showHelp() {
358 System.out.println(getHelp());
359 }
360
361 private static String getHelp() {
362 return tr("JOSM rendering command line interface")+"\n\n"+
363 tr("Usage")+":\n"+
364 "\tjava -jar josm.jar render <options>\n\n"+
365 tr("Description")+":\n"+
366 tr("Renders data and saves the result to an image file.")+"\n\n"+
367 tr("Options")+":\n"+
368 "\t--help|-h "+tr("Show this help")+"\n"+
369 "\t--input|-i <file> "+tr("Input data file name (.osm)")+"\n"+
370 "\t--output|-o <file> "+tr("Output image file name (.png); defaults to ''{0}''", "out.png")+"\n"+
371 "\t--style|-s <file> "+tr("Style file to use for rendering (.mapcss or .zip)")+"\n"+
372 "\t "+tr("This option can be repeated to load multiple styles.")+"\n"+
373 "\t--setting <key>:<value> "+tr("Style setting (in JOSM accessible in the style list dialog right click menu)")+"\n"+
374 "\t "+tr("Applies to the last style loaded with the {0} option.", "--style")+"\n"+
375 "\t--zoom|-z <lvl> "+tr("Select zoom level to render. (integer value, 0=entire earth, 18=street level)")+"\n"+
376 "\t--scale <scale> "+tr("Select the map scale")+"\n"+
377 "\t "+tr("A value of 10000 denotes a scale of 1:10000 (1 cm on the map equals 100 m on the ground; "
378 + "display resolution: 96 dpi)")+"\n"+
379 "\t "+tr("Options {0} and {1} are mutually exclusive.", "--zoom", "--scale")+"\n"+
380 "\t--bounds|-b auto|<min_lon>,<min_lat>,<max_lon>,<max_lat>\n"+
381 "\t "+tr("Area to render, default value is ''{0}''", "auto")+"\n"+
382 "\t "+tr("With keyword ''{0}'', the downloaded area in the .osm input file will be used (if recorded).",
383 "auto")+"\n"+
384 "\t--anchor <lon>,<lat> "+tr("Specify bottom left corner of the rendering area")+"\n"+
385 "\t "+tr("Used in combination with width and height options to determine the area to render.")+"\n"+
386 "\t--width-m <number> "+tr("Width of the rendered area, in meter")+"\n"+
387 "\t--height-m <number> "+tr("Height of the rendered area, in meter")+"\n"+
388 "\t--width-px <number> "+tr("Width of the target image, in pixel")+"\n"+
389 "\t--height-px <number> "+tr("Height of the target image, in pixel")+"\n"+
390 "\t--projection <code> "+tr("Projection to use, default value ''{0}'' (web-Mercator)", "epsg:3857")+"\n"+
391 "\t--max-image-size <number> "+tr("Maximum image width/height in pixel (''{0}'' means no limit), default value: {1}",
392 0, Integer.toString(DEFAULT_MAX_IMAGE_SIZE))+"\n"+
393 "\n"+
394 tr("To specify the rendered area and scale, the options can be combined in various ways")+":\n"+
395 " * --bounds (--zoom|--scale|--width-px|--height-px)\n"+
396 " * --anchor (--width-m|--width-px) (--height-m|--height-px) (--zoom|--scale)\n"+
397 " * --anchor --width-m --height-m (--width-px|--height-px)\n"+
398 " * --anchor --width-px --height-px (--width-m|--height-m)\n"+
399 tr("If neither ''{0}'' nor ''{1}'' is given, the default value {2} takes effect "
400 + "and the bounds of the download area in the .osm input file are used.",
401 "bounds", "anchor", "--bounds=auto")+"\n\n"+
402 tr("Examples")+":\n"+
403 " java -jar josm.jar render -i data.osm -s style.mapcss -z 16\n"+
404 " josm render -i data.osm -s style.mapcss --scale 5000\n"+
405 " josm render -i data.osm -s style.mapcss -z 16 -o image.png\n"+
406 " josm render -i data.osm -s elemstyles.mapcss --setting hide_icons:false -z 16\n"+
407 " josm render -i data.osm -s style.mapcss -s another_style.mapcss -z 16 -o image.png\n"+
408 " josm render -i data.osm -s style.mapcss --bounds 21.151,51.401,21.152,51.402 -z 16\n"+
409 " josm render -i data.osm -s style.mapcss --anchor 21.151,51.401 --width-m 500 --height-m 300 -z 16\n"+
410 " josm render -i data.osm -s style.mapcss --anchor 21.151,51.401 --width-m 500 --height-m 300 --width-px 1800\n"+
411 " josm render -i data.osm -s style.mapcss --scale 5000 --projection epsg:4326\n";
412 }
413
414 /**
415 * Initialization.
416 *
417 * Requires arguments to be parsed already ({@link #parseArguments(java.lang.String[])}).
418 */
419 void initialize() {
420 Logging.setLogLevel(getLogLevel());
421
422 Config.setBaseDirectoriesProvider(JosmBaseDirectories.getInstance()); // for right-left-hand traffic cache file
423 Config.setPreferencesInstance(new MemoryPreferences());
424 Config.getPref().putBoolean("mappaint.auto_reload_local_styles", false); // unnecessary to listen for external changes
425 String projCode = Optional.ofNullable(argProjection).orElse("epsg:3857");
426 Main.setProjection(Projections.getProjectionByCode(projCode.toUpperCase(Locale.US)));
427
428 RightAndLefthandTraffic.initialize();
429 }
430
431 private Level getLogLevel() {
432 if (argTrace) {
433 return Logging.LEVEL_TRACE;
434 } else if (argDebug) {
435 return Logging.LEVEL_DEBUG;
436 } else {
437 return Logging.LEVEL_INFO;
438 }
439 }
440
441 /**
442 * Find the area to render and the scale, given certain command line options and the dataset.
443 * @param ds the dataset
444 * @return area to render and the scale
445 */
446 RenderingArea determineRenderingArea(DataSet ds) {
447
448 Projection proj = Main.getProjection();
449 Double scale = null; // scale in east-north units per pixel
450 if (argZoom != null) {
451 scale = OsmMercator.EARTH_RADIUS * Math.PI * 2 / Math.pow(2, argZoom) / OsmMercator.DEFAUL_TILE_SIZE / proj.getMetersPerUnit();
452 }
453 Bounds bounds = argBounds;
454 ProjectionBounds pb = null;
455
456 if (bounds == null) {
457 if (argAnchor != null) {
458 EastNorth projAnchor = proj.latlon2eastNorth(argAnchor);
459
460 Double enPerMeter = null;
461 Supplier<Double> getEnPerMeter = () -> {
462 double shiftMeter = 10;
463 EastNorth projAnchorShifted = projAnchor.add(
464 shiftMeter / proj.getMetersPerUnit(), shiftMeter / proj.getMetersPerUnit());
465 LatLon anchorShifted = proj.eastNorth2latlon(projAnchorShifted);
466 return projAnchor.distance(projAnchorShifted) / argAnchor.greatCircleDistance(anchorShifted);
467 };
468
469 if (scale == null) {
470 if (argScale != null) {
471 enPerMeter = getEnPerMeter.get();
472 scale = argScale * enPerMeter / PIXEL_PER_METER;
473 } else if (argWidthM != null && argWidthPx != null) {
474 enPerMeter = getEnPerMeter.get();
475 scale = argWidthM / argWidthPx * enPerMeter;
476 } else if (argHeightM != null && argHeightPx != null) {
477 enPerMeter = getEnPerMeter.get();
478 scale = argHeightM / argHeightPx * enPerMeter;
479 } else {
480 throw new IllegalArgumentException(
481 tr("Argument {0} given, but scale cannot be determined from remaining arguments", "--anchor"));
482 }
483 }
484
485 double widthEn;
486 if (argWidthM != null) {
487 enPerMeter = Optional.ofNullable(enPerMeter).orElseGet(getEnPerMeter);
488 widthEn = argWidthM * enPerMeter;
489 } else if (argWidthPx != null) {
490 widthEn = argWidthPx * scale;
491 } else {
492 throw new IllegalArgumentException(
493 tr("Argument {0} given, expected {1} or {2}", "--anchor", "--width-m", "--width-px"));
494 }
495
496 double heightEn;
497 if (argHeightM != null) {
498 enPerMeter = Optional.ofNullable(enPerMeter).orElseGet(getEnPerMeter);
499 heightEn = argHeightM * enPerMeter;
500 } else if (argHeightPx != null) {
501 heightEn = argHeightPx * scale;
502 } else {
503 throw new IllegalArgumentException(
504 tr("Argument {0} given, expected {1} or {2}", "--anchor", "--height-m", "--height-px"));
505 }
506 pb = new ProjectionBounds(projAnchor);
507 pb.extend(new EastNorth(projAnchor.east() + widthEn, projAnchor.north() + heightEn));
508 bounds = new Bounds(proj.eastNorth2latlon(pb.getMin()), false);
509 bounds.extend(proj.eastNorth2latlon(pb.getMax()));
510 } else {
511 if (ds.getDataSourceBounds().isEmpty()) {
512 throw new IllegalArgumentException(tr("{0} mode, but no bounds found in osm data input file", "--bounds=auto"));
513 }
514 bounds = ds.getDataSourceBounds().get(0);
515 }
516 }
517
518 if (pb == null) {
519 pb = new ProjectionBounds();
520 pb.extend(proj.latlon2eastNorth(bounds.getMin()));
521 pb.extend(proj.latlon2eastNorth(bounds.getMax()));
522 }
523
524 if (scale == null) {
525 if (argScale != null) {
526 double enPerMeter = pb.getMin().distance(pb.getMax()) / bounds.getMin().greatCircleDistance(bounds.getMax());
527 scale = argScale * enPerMeter / PIXEL_PER_METER;
528 } else if (argWidthPx != null) {
529 scale = (pb.maxEast - pb.minEast) / argWidthPx;
530 } else if (argHeightPx != null) {
531 scale = (pb.maxNorth - pb.minNorth) / argHeightPx;
532 } else {
533 throw new IllegalArgumentException(
534 tr("Unable to determine scale, one of the options {0}, {1}, {2} or {3} expected",
535 "--zoom", "--scale", "--width-px", "--height-px"));
536 }
537 }
538
539 RenderingArea ra = new RenderingArea();
540 ra.bounds = bounds;
541 ra.scale = scale;
542 return ra;
543 }
544
545 private DataSet loadDataset() throws FileNotFoundException, IllegalDataException {
546 if (argInput == null) {
547 throw new IllegalArgumentException(tr("Missing argument - input data file ({0})", "--input|-i"));
548 }
549 try {
550 return OsmReader.parseDataSet(new FileInputStream(argInput), null);
551 } catch (IllegalDataException e) {
552 throw new IllegalDataException(tr("In .osm data file ''{0}'' - ", argInput) + e.getMessage());
553 }
554 }
555
556 private void checkPreconditions(RenderingHelper rh) {
557 if (argStyles.isEmpty())
558 throw new IllegalArgumentException(tr("Missing argument - at least one style expected ({0})", "--style"));
559
560 Dimension imgSize = rh.getImageSize();
561 Logging.debug("image size (px): {0}x{1}", imgSize.width, imgSize.height);
562 int maxSize = Optional.ofNullable(argMaxImageSize).orElse(DEFAULT_MAX_IMAGE_SIZE);
563 if (maxSize != 0 && (imgSize.width > maxSize || imgSize.height > maxSize)) {
564 throw new IllegalArgumentException(
565 tr("Image dimensions ({0}x{1}) exceeds maximum image size {2} (use option {3} to change limit)",
566 imgSize.width, imgSize.height, maxSize, "--max-image-size"));
567 }
568 }
569
570 private void writeImageToFile(BufferedImage image) throws IOException {
571 String output = Optional.ofNullable(argOutput).orElse("out.png");
572 ImageIO.write(image, "png", new File(output));
573 }
574}
Note: See TracBrowser for help on using the repository browser.