| 1 | // Jomic - a viewer for comic book archives. |
| 2 | // Copyright (C) 2004-2011 Thomas Aglassinger |
| 3 | // |
| 4 | // This program is free software: you can redistribute it and/or modify |
| 5 | // it under the terms of the GNU General Public License as published by |
| 6 | // the Free Software Foundation, either version 3 of the License, or |
| 7 | // (at your option) any later version. |
| 8 | // |
| 9 | // This program is distributed in the hope that it will be useful, |
| 10 | // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | // GNU General Public License for more details. |
| 13 | // |
| 14 | // You should have received a copy of the GNU General Public License |
| 15 | // along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 16 | package net.sf.jomic.comic; |
| 17 | |
| 18 | import java.awt.Color; |
| 19 | import java.awt.Cursor; |
| 20 | import java.awt.Dimension; |
| 21 | import java.awt.Graphics2D; |
| 22 | import java.awt.GridBagConstraints; |
| 23 | import java.awt.GridBagLayout; |
| 24 | import java.awt.Point; |
| 25 | import java.awt.event.ComponentEvent; |
| 26 | import java.awt.event.ComponentListener; |
| 27 | import java.awt.image.BufferedImage; |
| 28 | import java.awt.image.RenderedImage; |
| 29 | import java.beans.PropertyChangeEvent; |
| 30 | import java.beans.PropertyChangeListener; |
| 31 | import java.io.File; |
| 32 | import java.text.DecimalFormat; |
| 33 | import java.util.ArrayList; |
| 34 | import java.util.Arrays; |
| 35 | import java.util.Collections; |
| 36 | import java.util.Iterator; |
| 37 | import java.util.List; |
| 38 | |
| 39 | import javax.swing.BorderFactory; |
| 40 | import javax.swing.JPanel; |
| 41 | import javax.swing.JScrollBar; |
| 42 | import javax.swing.JScrollPane; |
| 43 | import javax.swing.JViewport; |
| 44 | import javax.swing.SwingUtilities; |
| 45 | |
| 46 | import net.sf.jomic.common.ComicSheetRenderSettings; |
| 47 | import net.sf.jomic.common.PropertyConstants; |
| 48 | import net.sf.jomic.common.Settings; |
| 49 | import net.sf.jomic.tools.ColorBox; |
| 50 | import net.sf.jomic.tools.ErrorTools; |
| 51 | import net.sf.jomic.tools.FileTools; |
| 52 | import net.sf.jomic.tools.ImageRenderSettings; |
| 53 | import net.sf.jomic.tools.ImageTools; |
| 54 | import net.sf.jomic.tools.LocaleTools; |
| 55 | import net.sf.jomic.tools.ProgressFrame; |
| 56 | import net.sf.jomic.tools.StringTools; |
| 57 | import net.sf.jomic.ui.FullScreenViewer; |
| 58 | import net.sf.jomic.ui.RenderedImageView; |
| 59 | |
| 60 | import org.apache.commons.logging.Log; |
| 61 | import org.apache.commons.logging.LogFactory; |
| 62 | |
| 63 | /** |
| 64 | * Panel to show one page or sheet of a comic. Depending on the structure of the images and the |
| 65 | * value of <code>getTwoPageMode()</code>, this can show one or two images: |
| 66 | * <ul> |
| 67 | * <li> With <code>getTwoPageMode()</code> returning <code>false</code>, always show 1 image |
| 68 | * <li> For the frontpage, always show 1 image |
| 69 | * <li> With the image being wider than high, show 1 image |
| 70 | * <li> With two consecutive images being higher than wide and <code>getTwoPageMode()</code> |
| 71 | * returning <code>true</code>, show 2 images. |
| 72 | * </ul> |
| 73 | * For more details about this algorithm, refer to the <a |
| 74 | * href="http://jomic.sourceforge.net/developer-guide.html">Developer Guide</a> . |
| 75 | * |
| 76 | * @author Thomas Aglassinger |
| 77 | */ |
| 78 | public class ComicView extends JScrollPane implements ComponentListener, PropertyChangeListener |
| 79 | { |
| 80 | private ColorBox bottomBox; |
| 81 | private ComicCache comicCache; |
| 82 | private ErrorTools errorTools; |
| 83 | private int imageCount; |
| 84 | private int imageIndex; |
| 85 | private RenderedImageView imagePane; |
| 86 | private ImageTools imageTools; |
| 87 | private ColorBox leftBox; |
| 88 | private LocaleTools localeTools; |
| 89 | private Log logger; |
| 90 | private ComicModel model; |
| 91 | private Color oldFillColor; |
| 92 | |
| 93 | /** |
| 94 | * Number of the last page. |
| 95 | */ |
| 96 | private int pageCount; |
| 97 | private JPanel pane; |
| 98 | private ProgressFrame progressFrame; |
| 99 | |
| 100 | private boolean propertyChangeListenerAdded; |
| 101 | |
| 102 | /** |
| 103 | * Properties that cause ComicView to refresh if changed. |
| 104 | */ |
| 105 | private String[] refreshCausingProperties; |
| 106 | private ColorBox rightBox; |
| 107 | private String scaleMode; |
| 108 | private Settings settings; |
| 109 | |
| 110 | /** |
| 111 | * List containing ComicSheets for two page mode. |
| 112 | */ |
| 113 | private List sheetList; |
| 114 | |
| 115 | private StringTools stringTools; |
| 116 | private ColorBox topBox; |
| 117 | |
| 118 | /** |
| 119 | * Creates a new, empty view. |
| 120 | * |
| 121 | * @see #setModel(ComicModel, ProgressFrame) |
| 122 | */ |
| 123 | public ComicView() { |
| 124 | logger = LogFactory.getLog(ComicView.class); |
| 125 | settings = Settings.instance(); |
| 126 | comicCache = ComicCache.instance(); |
| 127 | errorTools = ErrorTools.instance(); |
| 128 | imageTools = ImageTools.instance(); |
| 129 | localeTools = LocaleTools.instance(); |
| 130 | stringTools = StringTools.instance(); |
| 131 | |
| 132 | imagePane = new RenderedImageView(); |
| 133 | pane = new JPanel(); |
| 134 | topBox = createColorBox(); |
| 135 | bottomBox = createColorBox(); |
| 136 | leftBox = createColorBox(); |
| 137 | rightBox = createColorBox(); |
| 138 | |
| 139 | // Specify which property changes will cause a refresh |
| 140 | refreshCausingProperties = new String[]{ |
| 141 | PropertyConstants.BLUR_MODE, |
| 142 | PropertyConstants.BLUR_RADIUS, |
| 143 | PropertyConstants.BLUR_THRESHOLD, |
| 144 | ImageRenderSettings.FILL_COLOR, |
| 145 | ImageRenderSettings.ROTATION, |
| 146 | ImageRenderSettings.SCALE_MODE, |
| 147 | ComicSheetRenderSettings.SWAP_LEFT_AND_RIGHT_IMAGE, |
| 148 | PropertyConstants.SHOW_TOOLBAR, |
| 149 | ComicSheetRenderSettings.SHOW_TWO_PAGES, |
| 150 | PropertyConstants.USE_BLUR |
| 151 | }; |
| 152 | Arrays.sort(refreshCausingProperties); |
| 153 | |
| 154 | // Use GridBagLayout to center the image |
| 155 | GridBagConstraints constraints = new GridBagConstraints(); |
| 156 | |
| 157 | pane.setLayout(new GridBagLayout()); |
| 158 | constraints.gridx = 0; |
| 159 | constraints.gridy = 0; |
| 160 | constraints.anchor = GridBagConstraints.PAGE_START; |
| 161 | pane.add(imagePane, constraints); |
| 162 | setViewportView(pane); |
| 163 | setViewportView(createImagePanel()); |
| 164 | scaleMode = ImageTools.SCALE_ACTUAL; |
| 165 | getVerticalScrollBar().setUnitIncrement(settings.getScrollCount()); |
| 166 | getHorizontalScrollBar().setUnitIncrement(settings.getScrollCount()); |
| 167 | settings.addPropertyChangeListener(this); |
| 168 | propertyChangeListenerAdded = true; |
| 169 | addComponentListener(this); |
| 170 | } |
| 171 | |
| 172 | public void setImageIndex(int newImageIndex) { |
| 173 | assertImageIndexIsValid(newImageIndex); |
| 174 | if (logger.isDebugEnabled()) { |
| 175 | if (isTwoPageMode()) { |
| 176 | int sheetIndex = getSheetIndexForImage(newImageIndex); |
| 177 | ComicSheet sheet = getSheet(sheetIndex); |
| 178 | String sheetText = "(left=" + sheet.getLeftImageIndex(); |
| 179 | |
| 180 | if (sheet.hasRightImage()) { |
| 181 | sheetText += ",right=" + sheet.getRightImageIndex(); |
| 182 | } |
| 183 | sheetText += ")"; |
| 184 | logger.debug("set sheet to " + sheetIndex + ", " + sheetText); |
| 185 | } else { |
| 186 | logger.debug("set imageIndex to " + newImageIndex); |
| 187 | } |
| 188 | } |
| 189 | imageIndex = newImageIndex; |
| 190 | settings.setMostRecentPage(getPage()); |
| 191 | updateDisplay(); |
| 192 | |
| 193 | // Precache next sheet or image |
| 194 | if (isTwoPageMode()) { |
| 195 | int nextSheetIndex = getSheetIndexForImage(imageIndex) + 1; |
| 196 | |
| 197 | if (nextSheetIndex < sheetList.size()) { |
| 198 | ComicSheet nextSheet = getSheet(nextSheetIndex); |
| 199 | |
| 200 | precacheComicImage(nextSheet.getLeftImageIndex()); |
| 201 | if (nextSheet.hasRightImage()) { |
| 202 | precacheComicImage(nextSheet.getRightImageIndex()); |
| 203 | } |
| 204 | } |
| 205 | } else { |
| 206 | int nextImageIndex = imageIndex + 1; |
| 207 | |
| 208 | if (nextImageIndex < getImageCount()) { |
| 209 | precacheComicImage(nextImageIndex); |
| 210 | } |
| 211 | } |
| 212 | } |
| 213 | |
| 214 | /** |
| 215 | * Set <code>newModel</code> to be the new model from which the images should be fetched, and |
| 216 | * show front page. |
| 217 | */ |
| 218 | public void setModel(ComicModel newModel, ProgressFrame newProgressFrame) { |
| 219 | setModel(newModel, newProgressFrame, 0); |
| 220 | } |
| 221 | |
| 222 | /** |
| 223 | * Set <code>newModel</code> to be the new model from which the images should be fetched, and |
| 224 | * show page number <code>newPage</code>. If there a no enough pages to go to <code>newPage</code> |
| 225 | * , log a warning an go to front page. |
| 226 | */ |
| 227 | public void setModel(ComicModel newModel, ProgressFrame newProgressFrame, int newPage) { |
| 228 | assert newModel != null; |
| 229 | assert newPage >= 0 : "newPage=" + newPage; |
| 230 | |
| 231 | ComicSheet lastSheet; |
| 232 | |
| 233 | // Page number the next sheet starts at. |
| 234 | pageCount = 0; |
| 235 | |
| 236 | model = newModel; |
| 237 | imageCount = model.getImageCount(); |
| 238 | progressFrame = newProgressFrame; |
| 239 | |
| 240 | if (progressFrame != null) { |
| 241 | progressFrame.setNote(localeTools.getMessage("panels.comic.progress.layingOutPages")); |
| 242 | } |
| 243 | |
| 244 | sheetList = new ArrayList(imageCount); |
| 245 | lastSheet = null; |
| 246 | |
| 247 | // Front page always uses own sheet. |
| 248 | if (model.getComicImage(0).isDoublePage()) { |
| 249 | addSheet(2, 0); |
| 250 | } else { |
| 251 | addSheet(1, 0); |
| 252 | } |
| 253 | |
| 254 | for (int i = 1; i < model.getImageCount(); i += 1) { |
| 255 | ComicImage image = model.getComicImage(i); |
| 256 | boolean isDoublePage = image.isDoublePage(); |
| 257 | |
| 258 | if (lastSheet == null) { |
| 259 | if (isDoublePage) { |
| 260 | addSheet(2, i); |
| 261 | } else { |
| 262 | lastSheet = addSheet(1, i); |
| 263 | } |
| 264 | } else { |
| 265 | if (isDoublePage) { |
| 266 | addSheet(2, i); |
| 267 | } else { |
| 268 | lastSheet.setRightImageIndex(i); |
| 269 | pageCount += 1; |
| 270 | if (logger.isDebugEnabled()) { |
| 271 | logger.debug("pageCount <- " + pageCount); |
| 272 | } |
| 273 | } |
| 274 | lastSheet = null; |
| 275 | } |
| 276 | if (progressFrame != null) { |
| 277 | progressFrame.setProgress(model.computeProgress(ComicModel.TASK_LAYOUT, i)); |
| 278 | } |
| 279 | } |
| 280 | if (logger.isInfoEnabled()) { |
| 281 | logger.info("comic has " + pageCount + " pages, " + model.getImageCount() |
| 282 | + " images, and " + sheetList.size() + " sheets"); |
| 283 | } |
| 284 | |
| 285 | if (newPage < pageCount) { |
| 286 | setPage(newPage); |
| 287 | } else { |
| 288 | logger.warn("cannot go to page " + (newPage + 1) + " because comic has only " |
| 289 | + (pageCount + 1) + " pages; reverting to front page"); |
| 290 | goFirst(); |
| 291 | } |
| 292 | } |
| 293 | |
| 294 | public void setPage(int newPage) { |
| 295 | assert newPage >= 0; |
| 296 | assert newPage < pageCount : "newPage=" + newPage + ", pageCount=" + pageCount; |
| 297 | setImageIndex(getImageIndexForPage(newPage)); |
| 298 | } |
| 299 | |
| 300 | public void setRotateOnlySinglePortraitImages(boolean newRotate) { |
| 301 | settings.setRotateOnlySinglePortraitImages(newRotate); |
| 302 | } |
| 303 | |
| 304 | public void setScaleMode(String newScaleMode) { |
| 305 | imageTools.assertIsValidScaleMode(newScaleMode); |
| 306 | scaleMode = newScaleMode; |
| 307 | if (scaleMode.equals(ImageTools.SCALE_ACTUAL)) { |
| 308 | setHorizontalScrollBarPolicy(HORIZONTAL_SCROLLBAR_AS_NEEDED); |
| 309 | setVerticalScrollBarPolicy(VERTICAL_SCROLLBAR_AS_NEEDED); |
| 310 | } else if (scaleMode.equals(ImageTools.SCALE_FIT)) { |
| 311 | setHorizontalScrollBarPolicy(HORIZONTAL_SCROLLBAR_NEVER); |
| 312 | setVerticalScrollBarPolicy(VERTICAL_SCROLLBAR_NEVER); |
| 313 | } else if (scaleMode.equals(ImageTools.SCALE_HEIGHT)) { |
| 314 | setHorizontalScrollBarPolicy(HORIZONTAL_SCROLLBAR_AS_NEEDED); |
| 315 | setVerticalScrollBarPolicy(VERTICAL_SCROLLBAR_NEVER); |
| 316 | } else if (scaleMode.equals(ImageTools.SCALE_WIDTH)) { |
| 317 | setHorizontalScrollBarPolicy(HORIZONTAL_SCROLLBAR_NEVER); |
| 318 | setVerticalScrollBarPolicy(VERTICAL_SCROLLBAR_AS_NEEDED); |
| 319 | } |
| 320 | if (model != null) { |
| 321 | updateDisplay(); |
| 322 | } |
| 323 | } |
| 324 | |
| 325 | public void setSwapLeftAndRightImage(boolean newMangaMode) { |
| 326 | settings.setSwapLeftAndRightImage(newMangaMode); |
| 327 | } |
| 328 | |
| 329 | /** |
| 330 | * Set two page mode. |
| 331 | * |
| 332 | * @param newMode <code>false</code> means that only a single image should be show, <code>true</code> |
| 333 | * means that two "lean" images should be used to show two pages at once. |
| 334 | */ |
| 335 | public void setTwoPageMode(boolean newMode) { |
| 336 | settings.setTwoPageMode(newMode); |
| 337 | } |
| 338 | |
| 339 | private void setDefaultCursor() { |
| 340 | setCursor(Cursor.getDefaultCursor()); |
| 341 | } |
| 342 | |
| 343 | private void setWaitCursor() { |
| 344 | setCursor(Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR)); |
| 345 | } |
| 346 | |
| 347 | public ComicImage getComicImage() { |
| 348 | return model.getComicImage(getImageIndex()); |
| 349 | } |
| 350 | |
| 351 | public ComicImage getComicImage(int somePage) { |
| 352 | return model.getComicImage(somePage); |
| 353 | } |
| 354 | |
| 355 | /** |
| 356 | * Get a generic name for the image at <code>index</code>, for example 17.jpg or 043+044.png. |
| 357 | */ |
| 358 | public String getGenericComicImageName(int index) { |
| 359 | String result; |
| 360 | ComicImage image = model.getComicImage(index); |
| 361 | ComicSheet sheet = getSheetForImage(index); |
| 362 | int page = sheet.getPage() + 1; |
| 363 | DecimalFormat format = stringTools.getLeadingZeroFormat(getPageCount() + 2); |
| 364 | |
| 365 | if (image.isDoublePage()) { |
| 366 | result = format.format(page) + "+" + format.format(page + 1); |
| 367 | } else { |
| 368 | if (sheet.getLeftImageIndex() == index) { |
| 369 | result = format.format(page); |
| 370 | } else { |
| 371 | assert sheet.getRightImageIndex() == index; |
| 372 | result = format.format(page + 1); |
| 373 | } |
| 374 | } |
| 375 | |
| 376 | String suffix = FileTools.instance().getSuffix(image.getName()); |
| 377 | |
| 378 | result += "." + suffix; |
| 379 | return result; |
| 380 | } |
| 381 | |
| 382 | /** |
| 383 | * The number of images. |
| 384 | */ |
| 385 | public int getImageCount() { |
| 386 | return imageCount; |
| 387 | } |
| 388 | |
| 389 | /** |
| 390 | * Get the index of the image currently viewed. |
| 391 | */ |
| 392 | // TODO: Clarify the result if the current sheet contains 2 images. |
| 393 | public int getImageIndex() { |
| 394 | assertImageIndexIsValid(imageIndex); |
| 395 | // TODO: Consider manga mode for export. |
| 396 | return imageIndex; |
| 397 | } |
| 398 | |
| 399 | /** |
| 400 | * Get the number of the current page; if showing two pages, get the number of the left page. |
| 401 | */ |
| 402 | public int getPage() { |
| 403 | return getPageForImageIndex(getImageIndex()); |
| 404 | } |
| 405 | |
| 406 | /** |
| 407 | * Get the number of pages (as perceived by the end user). This can differ from the the number |
| 408 | * of images. For example, a double image counts as 2 pages. |
| 409 | */ |
| 410 | public int getPageCount() { |
| 411 | return pageCount; |
| 412 | } |
| 413 | |
| 414 | /** |
| 415 | * Get a human readable description of the page(s) currently viewed. |
| 416 | */ |
| 417 | public String getPageText() { |
| 418 | String result; |
| 419 | |
| 420 | if (model != null) { |
| 421 | ComicSheet sheet = getSheet(getCurrentSheetIndex()); |
| 422 | boolean leftIsDoubleImage = getComicImage(sheet.getLeftImageIndex()).isDoublePage(); |
| 423 | int leftPage = sheet.getPage() + 1; |
| 424 | int leftNumber = leftPage; |
| 425 | int rightNumber = leftPage; |
| 426 | boolean showTwoPageNumbers; |
| 427 | |
| 428 | if (leftIsDoubleImage || (isTwoPageMode() && sheet.hasRightImage())) { |
| 429 | // We are really showing two pages right now. |
| 430 | if (isMangaMode()) { |
| 431 | leftNumber += 1; |
| 432 | } else { |
| 433 | rightNumber += 1; |
| 434 | } |
| 435 | showTwoPageNumbers = true; |
| 436 | } else { |
| 437 | if (sheet.getLeftImageIndex() != getImageIndex()) { |
| 438 | // The current page is the right one of the current sheet. |
| 439 | leftNumber += 1; |
| 440 | } |
| 441 | showTwoPageNumbers = false; |
| 442 | } |
| 443 | |
| 444 | if (showTwoPageNumbers) { |
| 445 | result = localeTools.getMessage("panels.comic.pageText.double", |
| 446 | new Object[]{new Integer(leftNumber), new Integer(rightNumber), new Integer(pageCount)}); |
| 447 | } else { |
| 448 | result = localeTools.getMessage("panels.comic.pageText.single", |
| 449 | new Object[]{new Integer(leftNumber), new Integer(pageCount)}); |
| 450 | } |
| 451 | } else { |
| 452 | result = ""; |
| 453 | } |
| 454 | return result; |
| 455 | } |
| 456 | |
| 457 | /** |
| 458 | * Render the image to fit in the current JViewport while applying Settings. |
| 459 | * |
| 460 | * @see JViewport |
| 461 | * @see Settings |
| 462 | */ |
| 463 | public RenderedImage getRenderedImage() { |
| 464 | RenderedImage result = null; |
| 465 | JViewport port = getViewport(); |
| 466 | int portWidth = port.getWidth(); |
| 467 | int portHeight = port.getHeight(); |
| 468 | int viewWidth = portWidth; |
| 469 | int viewHeight = portHeight; |
| 470 | |
| 471 | if ((viewWidth > 2) && (viewHeight > 2)) { |
| 472 | Dimension expectedViewSize = getExpectedViewSize(viewWidth, viewHeight); |
| 473 | int expectedViewWidth = expectedViewSize.width; |
| 474 | int expectedViewHeight = expectedViewSize.height; |
| 475 | |
| 476 | if ((viewWidth != expectedViewWidth) || (viewHeight != expectedViewHeight)) { |
| 477 | // FIXME: move side-effect causing getViewport().setSize() and related code to updateDisplay(). |
| 478 | getViewport().setSize(expectedViewSize); |
| 479 | viewWidth = expectedViewWidth; |
| 480 | viewHeight = expectedViewHeight; |
| 481 | } |
| 482 | if ((viewWidth <= 0) || (viewHeight <= 0)) { |
| 483 | assert false : "view=" + viewWidth + "x" + viewHeight + "; port=" + portWidth + "x" + portHeight |
| 484 | + "; expected=" + expectedViewWidth + "x" + expectedViewHeight; |
| 485 | } |
| 486 | result = getRenderedImage(viewWidth, viewHeight); |
| 487 | } |
| 488 | return result; |
| 489 | } |
| 490 | |
| 491 | /** |
| 492 | * Get the current rotation. |
| 493 | * |
| 494 | * @return one of ImageTools.ROTATE_* |
| 495 | * @see ImageTools#ROTATE_NONE |
| 496 | * @see ImageTools#ROTATE_CLOCKWISE |
| 497 | * @see ImageTools#ROTATE_COUNTERCLOCKWISE |
| 498 | * @see ImageTools#ROTATE_UPSIDE_DOWN |
| 499 | */ |
| 500 | public int getRotation() { |
| 501 | return settings.getRotation(); |
| 502 | } |
| 503 | |
| 504 | public String getScaleMode() { |
| 505 | return scaleMode; |
| 506 | } |
| 507 | |
| 508 | public ComicSheet getSheetForPage(int somePage) { |
| 509 | int index = getSheetIndexForPage(somePage); |
| 510 | |
| 511 | return (ComicSheet) sheetList.get(index); |
| 512 | } |
| 513 | |
| 514 | /** |
| 515 | * Is the current page or sheet the first one? |
| 516 | */ |
| 517 | public boolean isFirst() { |
| 518 | boolean result; |
| 519 | |
| 520 | if (isTwoPageMode()) { |
| 521 | result = getSheetIndexForImage(imageIndex) == 0; |
| 522 | } else { |
| 523 | result = imageIndex == 0; |
| 524 | } |
| 525 | return result; |
| 526 | } |
| 527 | |
| 528 | /** |
| 529 | * Is the current page or sheet the last one? |
| 530 | */ |
| 531 | public boolean isLast() { |
| 532 | boolean result; |
| 533 | |
| 534 | if (isTwoPageMode()) { |
| 535 | result = getSheetIndexForImage(imageIndex) == sheetList.size() - 1; |
| 536 | } else { |
| 537 | result = imageIndex == imageCount - 1; |
| 538 | } |
| 539 | return result; |
| 540 | } |
| 541 | |
| 542 | public boolean isMangaMode() { |
| 543 | return settings.getSwapLeftAndRightImage(); |
| 544 | } |
| 545 | |
| 546 | public boolean isTwoPageMode() { |
| 547 | return settings.getTwoPageMode(); |
| 548 | } |
| 549 | |
| 550 | int getCurrentSheetIndex() { |
| 551 | return getSheetIndexForImage(getImageIndex()); |
| 552 | } |
| 553 | |
| 554 | ComicSheet getSheet(int sheetIndex) { |
| 555 | return (ComicSheet) sheetList.get(sheetIndex); |
| 556 | } |
| 557 | |
| 558 | private Dimension getExpectedViewSize(int viewWidth, int viewHeight) { |
| 559 | Dimension result; |
| 560 | int sheetWidth; |
| 561 | int sheetHeight; |
| 562 | |
| 563 | if (isTwoPageMode()) { |
| 564 | ComicSheet comicSheet = getSheetForPage(getPage()); |
| 565 | int leftImageIndex = comicSheet.getLeftImageIndex(); |
| 566 | ComicImage leftImage = getComicImage(leftImageIndex); |
| 567 | int leftImageWidth = leftImage.getWidth(); |
| 568 | int leftImageHeight = leftImage.getHeight(); |
| 569 | int rightImageWidth; |
| 570 | int rightImageHeight; |
| 571 | |
| 572 | if (comicSheet.hasRightImage()) { |
| 573 | int rightImageIndex = comicSheet.getRightImageIndex(); |
| 574 | ComicImage rightImage = getComicImage(rightImageIndex); |
| 575 | |
| 576 | rightImageWidth = rightImage.getWidth(); |
| 577 | rightImageHeight = rightImage.getHeight(); |
| 578 | } else { |
| 579 | rightImageWidth = 0; |
| 580 | rightImageHeight = 0; |
| 581 | } |
| 582 | |
| 583 | sheetWidth = leftImageWidth + rightImageWidth; |
| 584 | sheetHeight = Math.max(leftImageHeight, rightImageHeight); |
| 585 | } else { |
| 586 | sheetWidth = getComicImage().getWidth(); |
| 587 | sheetHeight = getComicImage().getHeight(); |
| 588 | } |
| 589 | |
| 590 | if ((getRotation() == ImageTools.ROTATE_CLOCKWISE) || getRotation() == ImageTools.ROTATE_COUNTERCLOCKWISE) { |
| 591 | int swapSize; |
| 592 | |
| 593 | swapSize = sheetWidth; |
| 594 | sheetWidth = sheetHeight; |
| 595 | sheetHeight = swapSize; |
| 596 | } |
| 597 | |
| 598 | int areaWidth; |
| 599 | int areaHeight; |
| 600 | |
| 601 | if (getScaleMode().equals(ImageTools.SCALE_ACTUAL)) { |
| 602 | areaWidth = sheetWidth; |
| 603 | areaHeight = sheetHeight; |
| 604 | } else if (getScaleMode().equals(ImageTools.SCALE_FIT)) { |
| 605 | areaWidth = viewWidth; |
| 606 | areaHeight = viewHeight; |
| 607 | } else if (getScaleMode().equals(ImageTools.SCALE_HEIGHT)) { |
| 608 | areaWidth = Integer.MAX_VALUE; |
| 609 | areaHeight = viewHeight; |
| 610 | } else if (getScaleMode().equals(ImageTools.SCALE_WIDTH)) { |
| 611 | areaWidth = viewWidth; |
| 612 | areaHeight = Integer.MAX_VALUE; |
| 613 | } else { |
| 614 | areaWidth = 0; |
| 615 | areaHeight = 0; |
| 616 | assert false : "scaleMode=" + getScaleMode(); |
| 617 | } |
| 618 | result = imageTools.getSqueezedDimension(areaWidth, areaHeight, sheetWidth, sheetHeight, |
| 619 | settings.getScaleMode()); |
| 620 | return result; |
| 621 | } |
| 622 | |
| 623 | private int getImageIndexForPage(int newPage) { |
| 624 | assert newPage >= 0; |
| 625 | assert newPage < pageCount; |
| 626 | ComicSheet sheet = getSheetForPage(newPage); |
| 627 | int imageIndexForPage = sheet.getLeftImageIndex(); |
| 628 | |
| 629 | if (sheet.getPage() != newPage) { |
| 630 | boolean leftIsDoubleImage = getComicImage(sheet.getLeftImageIndex()).isDoublePage(); |
| 631 | |
| 632 | assert sheet.hasRightImage() || leftIsDoubleImage |
| 633 | : "newPage=" + newPage + ", sheet.page=" + sheet.getPage() |
| 634 | + ", leftIsDoubleImage=" + leftIsDoubleImage; |
| 635 | if (!leftIsDoubleImage) { |
| 636 | imageIndexForPage = sheet.getRightImageIndex(); |
| 637 | } |
| 638 | } |
| 639 | return imageIndexForPage; |
| 640 | } |
| 641 | |
| 642 | private int getIntFor(boolean some) { |
| 643 | // TODO: Isn't there any shorter way to convert a boolean to an int (not counting the "?" operator) |
| 644 | int result; |
| 645 | |
| 646 | if (some) { |
| 647 | result = 1; |
| 648 | } else { |
| 649 | result = 0; |
| 650 | } |
| 651 | return result; |
| 652 | } |
| 653 | |
| 654 | private int getPageForImageIndex(int index) { |
| 655 | assertImageIndexIsValid(index); |
| 656 | |
| 657 | ComicSheet sheet = getSheetForImage(index); |
| 658 | int result = sheet.getPage(); |
| 659 | |
| 660 | return result; |
| 661 | } |
| 662 | |
| 663 | private RenderedImage getRenderedImage(int viewWidth, int viewHeight) { |
| 664 | assert viewWidth > 0 : "viewWidth=" + viewWidth; |
| 665 | assert viewHeight > 0 : "viewHeight=" + viewHeight; |
| 666 | |
| 667 | BufferedImage result = null; |
| 668 | |
| 669 | if (Boolean.getBoolean(PropertyConstants.SYSTEM_PROPERTY_PREFIX + PropertyConstants.TEST_BEEP_ON_REPAINT)) { |
| 670 | // TODO: jomicTools.beep(); |
| 671 | } |
| 672 | if (isVisible()) { |
| 673 | ComicSheet comicSheet = getSheetForPage(getPage()); |
| 674 | int leftImageIndex = comicSheet.getLeftImageIndex(); |
| 675 | RenderedImage leftImage = getComicImage(leftImageIndex).getImage(); |
| 676 | RenderedImage rightImage = null; |
| 677 | |
| 678 | result = new BufferedImage(viewWidth, viewHeight, BufferedImage.TYPE_INT_ARGB); |
| 679 | |
| 680 | Graphics2D g2d = (Graphics2D) result.getGraphics(); |
| 681 | |
| 682 | try { |
| 683 | if (comicSheet.hasRightImage()) { |
| 684 | int rightImageIndex = comicSheet.getRightImageIndex(); |
| 685 | |
| 686 | rightImage = getComicImage(rightImageIndex).getImage(); |
| 687 | } |
| 688 | |
| 689 | if (settings.useBlur()) { |
| 690 | String blurMode = settings.getBlurMode(); |
| 691 | |
| 692 | leftImage = imageTools.getBluredImage(leftImage, blurMode); |
| 693 | if (rightImage != null) { |
| 694 | rightImage = imageTools.getBluredImage(rightImage, blurMode); |
| 695 | } |
| 696 | } |
| 697 | |
| 698 | ComicSheetLayout renderer = new ComicSheetLayout(); |
| 699 | ComicSheetRenderSettings renderSettings = new ComicSheetRenderSettings(); |
| 700 | |
| 701 | renderSettings.setRotation(getRotation()); |
| 702 | renderSettings.setRotateOnlySinglePortraitImages(settings.getRotateOnlySinglePortraitImages()); |
| 703 | renderSettings.setScaleMode(settings.getScaleMode()); |
| 704 | renderSettings.setSwapLeftAndRightImage(settings.getSwapLeftAndRightImage()); |
| 705 | renderSettings.setTwoPageMode(settings.getTwoPageMode()); |
| 706 | |
| 707 | renderer.renderTo(g2d, viewWidth, viewHeight, getImageIndex(), comicSheet, |
| 708 | leftImage, rightImage, renderSettings); |
| 709 | } finally { |
| 710 | g2d.dispose(); |
| 711 | } |
| 712 | } |
| 713 | return result; |
| 714 | } |
| 715 | |
| 716 | private ComicSheet getSheetForImage(int someImageIndex) { |
| 717 | int index = getSheetIndexForImage(someImageIndex); |
| 718 | |
| 719 | return (ComicSheet) sheetList.get(index); |
| 720 | } |
| 721 | |
| 722 | /** |
| 723 | * Get the sheet on which the image <code>someImageIndex</code> is placed. |
| 724 | */ |
| 725 | private int getSheetIndexForImage(int someImageIndex) { |
| 726 | int result = 0; |
| 727 | ComicSheet targetSheet = new ComicSheet(Integer.MAX_VALUE, someImageIndex); |
| 728 | |
| 729 | result = Collections.binarySearch(sheetList, targetSheet, new ComicSheetindexOverlapComparator()); |
| 730 | |
| 731 | return result; |
| 732 | } |
| 733 | |
| 734 | /** |
| 735 | * Get the sheet on which the page <code>somePage</code> is placed. |
| 736 | */ |
| 737 | private int getSheetIndexForPage(int somePage) { |
| 738 | int result = 0; |
| 739 | boolean found = false; |
| 740 | Iterator rider = sheetList.iterator(); |
| 741 | |
| 742 | // TODO: use binary search |
| 743 | while (rider.hasNext() && !found) { |
| 744 | ComicSheet sheet = (ComicSheet) rider.next(); |
| 745 | |
| 746 | int sheetPage = sheet.getPage(); |
| 747 | int leftImageIndex = sheet.getLeftImageIndex(); |
| 748 | ComicImage leftComicImage = getComicImage(leftImageIndex); |
| 749 | boolean hasTwoPages = sheet.hasRightImage() || leftComicImage.isDoublePage(); |
| 750 | |
| 751 | if ((sheetPage == somePage) || (hasTwoPages && (sheetPage + 1 == somePage))) { |
| 752 | found = true; |
| 753 | } else { |
| 754 | result += 1; |
| 755 | } |
| 756 | } |
| 757 | return result; |
| 758 | } |
| 759 | |
| 760 | public void componentHidden(ComponentEvent event) { |
| 761 | // Do nothing. |
| 762 | } |
| 763 | |
| 764 | public void componentMoved(ComponentEvent event) { |
| 765 | // Do nothing. |
| 766 | } |
| 767 | |
| 768 | public void componentResized(ComponentEvent event) { |
| 769 | updateDisplay(); |
| 770 | } |
| 771 | |
| 772 | public void componentShown(ComponentEvent event) { |
| 773 | // Do nothing. |
| 774 | } |
| 775 | |
| 776 | public void dispose() { |
| 777 | if (propertyChangeListenerAdded) { |
| 778 | settings.removePropertyChangeListener(this); |
| 779 | } |
| 780 | removeComponentListener(this); |
| 781 | } |
| 782 | |
| 783 | /** |
| 784 | * Go to first page. |
| 785 | */ |
| 786 | public void goFirst() { |
| 787 | setImageIndex(0); |
| 788 | } |
| 789 | |
| 790 | /** |
| 791 | * Go to last page. |
| 792 | */ |
| 793 | public void goLast() { |
| 794 | setImageIndex(imageCount - 1); |
| 795 | } |
| 796 | |
| 797 | /** |
| 798 | * Go to next page or sheet. |
| 799 | */ |
| 800 | public void goNext() { |
| 801 | goNext(1); |
| 802 | } |
| 803 | |
| 804 | /** |
| 805 | * Go a few pages/sheet forward. |
| 806 | * |
| 807 | * @see Settings#getFew() |
| 808 | */ |
| 809 | public void goNextFew() { |
| 810 | goNext(settings.getFew()); |
| 811 | } |
| 812 | |
| 813 | /** |
| 814 | * Go <code>count</code> pages or sheets backwards. |
| 815 | */ |
| 816 | public void goPrevious(int count) { |
| 817 | assert !isFirst(); |
| 818 | assert count > 0; |
| 819 | if (isTwoPageMode()) { |
| 820 | int previousSheetIndex = getCurrentSheetIndex() - count; |
| 821 | ComicSheet nextSheet = getSheet(Math.max(previousSheetIndex, 0)); |
| 822 | |
| 823 | setImageIndex(nextSheet.getLeftImageIndex()); |
| 824 | } else { |
| 825 | setImageIndex(Math.max(getImageIndex() - count, 0)); |
| 826 | } |
| 827 | } |
| 828 | |
| 829 | /** |
| 830 | * Go to previous page or sheet. |
| 831 | */ |
| 832 | public void goPrevious() { |
| 833 | goPrevious(1); |
| 834 | } |
| 835 | |
| 836 | |
| 837 | /** |
| 838 | * Go a few pages/sheets backwards. |
| 839 | * |
| 840 | * @see Settings#getFew() |
| 841 | */ |
| 842 | public void goPreviousFew() { |
| 843 | goPrevious(settings.getFew()); |
| 844 | } |
| 845 | |
| 846 | public void propertyChange(PropertyChangeEvent event) { |
| 847 | try { |
| 848 | assert event != null; |
| 849 | String propertyName = event.getPropertyName(); |
| 850 | |
| 851 | assert propertyName != null; |
| 852 | String oldValue = (String) event.getOldValue(); |
| 853 | String value = (String) event.getNewValue(); |
| 854 | boolean refreshComicView = stringTools.equalsAnyOf(refreshCausingProperties, propertyName); |
| 855 | |
| 856 | // if necessary, refresh the comic view |
| 857 | if (refreshComicView) { |
| 858 | Runnable updateRunner = |
| 859 | new Runnable() |
| 860 | { |
| 861 | public void run() { |
| 862 | updateDisplay(); |
| 863 | } |
| 864 | }; |
| 865 | |
| 866 | SwingUtilities.invokeLater(updateRunner); |
| 867 | } else { |
| 868 | if (logger.isDebugEnabled()) { |
| 869 | logger.debug("ignoring change of property " + stringTools.sourced(propertyName) |
| 870 | + " from " + stringTools.sourced(oldValue) |
| 871 | + " to " + stringTools.sourced(value)); |
| 872 | } |
| 873 | } |
| 874 | } catch (Throwable error) { |
| 875 | errorTools.showError(event, error); |
| 876 | } |
| 877 | } |
| 878 | |
| 879 | public void rotateLeft() { |
| 880 | settings.setRotation(imageTools.getLeftRotation(getRotation())); |
| 881 | } |
| 882 | |
| 883 | public void rotateRight() { |
| 884 | settings.setRotation(imageTools.getRightRotation(getRotation())); |
| 885 | } |
| 886 | |
| 887 | /** |
| 888 | * Scroll to start of page. Normally this means the left top corner, unless the left and right |
| 889 | * image are swapped, in which case it means the top right corner. |
| 890 | */ |
| 891 | public void scrollHome() { |
| 892 | Point home; |
| 893 | boolean useTop; |
| 894 | boolean useLeft; |
| 895 | JViewport viewPort = getViewport(); |
| 896 | int viewWidth = viewPort.getWidth(); |
| 897 | int viewHeight = viewPort.getHeight(); |
| 898 | boolean rotatedCounterClockwise = getRotation() == ImageTools.ROTATE_COUNTERCLOCKWISE; |
| 899 | boolean rotatedClockwise = getRotation() == ImageTools.ROTATE_CLOCKWISE; |
| 900 | |
| 901 | if (rotatedClockwise) { |
| 902 | useLeft = false; |
| 903 | useTop = true; |
| 904 | } else if (rotatedCounterClockwise) { |
| 905 | useLeft = true; |
| 906 | useTop = false; |
| 907 | } else if (getRotation() == ImageTools.ROTATE_NONE) { |
| 908 | useLeft = true; |
| 909 | useTop = true; |
| 910 | } else if (getRotation() == ImageTools.ROTATE_UPSIDE_DOWN) { |
| 911 | useLeft = false; |
| 912 | useTop = false; |
| 913 | } else { |
| 914 | assert false : "rotation=" + getRotation(); |
| 915 | useLeft = true; |
| 916 | useTop = true; |
| 917 | } |
| 918 | |
| 919 | if (isMangaMode()) { |
| 920 | if (rotatedClockwise || rotatedCounterClockwise) { |
| 921 | useTop = !useTop; |
| 922 | } else { |
| 923 | useLeft = !useLeft; |
| 924 | } |
| 925 | } |
| 926 | |
| 927 | home = new Point(viewWidth * getIntFor(!useLeft), viewHeight * getIntFor(!useTop)); |
| 928 | viewPort.setViewPosition(home); |
| 929 | } |
| 930 | |
| 931 | public void scrollHorizontally(final int notches) { |
| 932 | scroll(getHorizontalScrollBar(), notches); |
| 933 | } |
| 934 | |
| 935 | public void scrollVertically(final int notches) { |
| 936 | scroll(getVerticalScrollBar(), notches); |
| 937 | } |
| 938 | |
| 939 | public void updateDisplay() { |
| 940 | if (!FullScreenViewer.instance().isVisible()) { |
| 941 | setWaitCursor(); |
| 942 | try { |
| 943 | if (model != null) { |
| 944 | RenderedImage renderedImage = getRenderedImage(); |
| 945 | |
| 946 | if (renderedImage != null) { |
| 947 | imagePane.set(renderedImage); |
| 948 | } |
| 949 | } |
| 950 | updateColorBoxes(); |
| 951 | } finally { |
| 952 | setDefaultCursor(); |
| 953 | } |
| 954 | } |
| 955 | } |
| 956 | |
| 957 | /** |
| 958 | * Add a new sheet with the left image identified by <code>newLeftImageIndex</code>. After |
| 959 | * that, increment <code>pageCount</code> by <code>pageIncrement</code>. |
| 960 | */ |
| 961 | private ComicSheet addSheet(int pageIncrement, int newLeftImageIndex) { |
| 962 | assert (pageIncrement == 1) || (pageIncrement == 2) : "pageIncrement=" + pageIncrement; |
| 963 | assert newLeftImageIndex >= 0; |
| 964 | ComicSheet result = new ComicSheet(pageCount, newLeftImageIndex); |
| 965 | |
| 966 | sheetList.add(result); |
| 967 | pageCount += pageIncrement; |
| 968 | if (logger.isDebugEnabled()) { |
| 969 | logger.debug("pageCount <- " + pageCount); |
| 970 | } |
| 971 | return result; |
| 972 | } |
| 973 | |
| 974 | private void assertImageIndexIsValid(int someImageIndex) { |
| 975 | assert someImageIndex >= 0 : "someImageIndex=" + someImageIndex; |
| 976 | assert someImageIndex < imageCount : "someImageIndex=" + someImageIndex + ", imageIndexCount=" + imageCount; |
| 977 | } |
| 978 | |
| 979 | private ColorBox createColorBox() { |
| 980 | ColorBox result = new ColorBox(settings.getFillColor()); |
| 981 | |
| 982 | result.setPreferredSize(new Dimension(0, 0)); |
| 983 | return result; |
| 984 | } |
| 985 | |
| 986 | private JPanel createImagePanel() { |
| 987 | assert topBox != null; |
| 988 | assert bottomBox != null; |
| 989 | assert leftBox != null; |
| 990 | assert rightBox != null; |
| 991 | assert imagePane != null; |
| 992 | JPanel result = new JPanel(new GridBagLayout()); |
| 993 | GridBagConstraints c = new GridBagConstraints(); |
| 994 | |
| 995 | c.gridx = 0; |
| 996 | c.gridy = 0; |
| 997 | c.gridwidth = GridBagConstraints.REMAINDER; |
| 998 | c.weightx = 1.0; |
| 999 | c.weighty = 1.0; |
| 1000 | c.fill = GridBagConstraints.BOTH; |
| 1001 | result.add(topBox, c); |
| 1002 | c.gridy += 1; |
| 1003 | c.gridwidth = 1; |
| 1004 | c.weighty = 0.0; |
| 1005 | result.add(leftBox, c); |
| 1006 | c.gridx += 1; |
| 1007 | c.weightx = 0.0; |
| 1008 | c.fill = GridBagConstraints.NONE; |
| 1009 | result.add(imagePane, c); |
| 1010 | c.gridx += 1; |
| 1011 | c.weightx = 1.0; |
| 1012 | c.fill = GridBagConstraints.BOTH; |
| 1013 | result.add(rightBox, c); |
| 1014 | c.gridx = 0; |
| 1015 | c.gridy += 1; |
| 1016 | c.weighty = 1.0; |
| 1017 | c.gridwidth = GridBagConstraints.REMAINDER; |
| 1018 | result.add(bottomBox, c); |
| 1019 | result.setBorder(BorderFactory.createEmptyBorder()); |
| 1020 | return result; |
| 1021 | } |
| 1022 | |
| 1023 | /** |
| 1024 | * Go <code>count</code> pages or sheets forward. |
| 1025 | */ |
| 1026 | private void goNext(int count) { |
| 1027 | assert !isLast(); |
| 1028 | assert count > 0; |
| 1029 | if (isTwoPageMode()) { |
| 1030 | int nextSheetIndex = getCurrentSheetIndex() + count; |
| 1031 | ComicSheet nextSheet = getSheet(Math.min(nextSheetIndex, sheetList.size() - 1)); |
| 1032 | |
| 1033 | setImageIndex(nextSheet.getLeftImageIndex()); |
| 1034 | } else { |
| 1035 | setImageIndex(Math.min(getImageIndex() + count, imageCount - 1)); |
| 1036 | } |
| 1037 | } |
| 1038 | |
| 1039 | private void precacheComicImage(int index) { |
| 1040 | assert index >= 0; |
| 1041 | assert index < model.getImageCount(); |
| 1042 | |
| 1043 | if (logger.isDebugEnabled()) { |
| 1044 | logger.debug("precaching image " + index); |
| 1045 | } |
| 1046 | |
| 1047 | // Compute a thumbnail to make sure all pixels are "touched" |
| 1048 | // and transferred into the system's or CPU's memory cache. |
| 1049 | ComicImage comicImage = getComicImage(index); |
| 1050 | File imageFile = comicImage.getFile(); |
| 1051 | |
| 1052 | PrecachedImageInCacheListener precachedListener = new PrecachedImageInCacheListener(); |
| 1053 | |
| 1054 | comicCache.getThumbnail(imageFile, precachedListener); |
| 1055 | } |
| 1056 | |
| 1057 | private void scroll(final JScrollBar bar, final int notches) { |
| 1058 | assert bar != null; |
| 1059 | bar.setValue(bar.getValue() + notches * settings.getScrollCount()); |
| 1060 | } |
| 1061 | |
| 1062 | private void updateColorBoxes() { |
| 1063 | Color fillColor = settings.getFillColor(); |
| 1064 | |
| 1065 | if (!fillColor.equals(oldFillColor)) { |
| 1066 | topBox.setColor(fillColor); |
| 1067 | leftBox.setColor(fillColor); |
| 1068 | rightBox.setColor(fillColor); |
| 1069 | bottomBox.setColor(fillColor); |
| 1070 | } |
| 1071 | } |
| 1072 | } |