/* Draws the ball at its current position */ public void draw(Graphics2D g) { double imageWidth = img.getWidth(parent); double imageHeight = img.getHeight(parent); // translate image such that its centred on its actual position objectTransform.setToTranslation( (double) pos_x - imageWidth / 2, (double) pos_y - imageHeight / 2); // // this rotates the planet! // objectTransform.rotate(Math.PI/800,50.0,51.0); g.setTransform(new AffineTransform()); g.drawImage(img, objectTransform, parent); }
public BufferedImage composeImageForSector( Sector sector, int imageWidth, int imageHeight, int levelNumber, String mimeType, boolean abortOnError, BufferedImage image) { if (sector == null) { String message = Logging.getMessage("nullValue.SectorIsNull"); Logging.logger().severe(message); throw new IllegalStateException(message); } if (levelNumber < 0) { levelNumber = this.levels.getLastLevel().getLevelNumber(); } else if (levelNumber > this.levels.getLastLevel().getLevelNumber()) { Logging.logger() .warning( Logging.getMessage( "generic.LevelRequestedGreaterThanMaxLevel", levelNumber, this.levels.getLastLevel().getLevelNumber())); levelNumber = this.levels.getLastLevel().getLevelNumber(); } MercatorTextureTile[][] tiles = this.getTilesInSector(sector, levelNumber); if (tiles.length == 0 || tiles[0].length == 0) { Logging.logger().severe(Logging.getMessage("layers.TiledImageLayer.NoImagesAvailable")); return null; } if (image == null) image = new BufferedImage(imageWidth, imageHeight, BufferedImage.TYPE_INT_RGB); Graphics2D g = image.createGraphics(); for (MercatorTextureTile[] row : tiles) { for (MercatorTextureTile tile : row) { if (tile == null) continue; BufferedImage tileImage; try { tileImage = this.getImage(tile, mimeType); double sh = ((double) imageHeight / (double) tileImage.getHeight()) * (tile.getSector().getDeltaLat().divide(sector.getDeltaLat())); double sw = ((double) imageWidth / (double) tileImage.getWidth()) * (tile.getSector().getDeltaLon().divide(sector.getDeltaLon())); double dh = imageHeight * (-tile.getSector().getMaxLatitude().subtract(sector.getMaxLatitude()).degrees / sector.getDeltaLat().degrees); double dw = imageWidth * (tile.getSector().getMinLongitude().subtract(sector.getMinLongitude()).degrees / sector.getDeltaLon().degrees); AffineTransform txf = g.getTransform(); g.translate(dw, dh); g.scale(sw, sh); g.drawImage(tileImage, 0, 0, null); g.setTransform(txf); } catch (Exception e) { if (abortOnError) throw new RuntimeException(e); String message = Logging.getMessage("generic.ExceptionWhileRequestingImage", tile.getPath()); Logging.logger().log(java.util.logging.Level.WARNING, message, e); } } } return image; }
// Although it presently returns a boolean, that was only needed // during my aborted attempted at animated graphics primitives. // Until those become a reality the boolean value returned by this // routine is unnecessary public boolean animate(int sAt, boolean forward) { int x; LinkedList lt = null; animation_done = true; // May be re-set in paintComponent via indirect paintImmediately call at end // Was used in aborted attempted to // introduce animated primitives. Now // it's probably excess baggage that // remains because I still have hopes // of eventually having animated // primitives if (getSize().width != 0 && getSize().height != 0) { my_width = getSize().width; // set dimensions my_height = getSize().height; } else { my_width = GaigsAV.preferred_width; // set dimensions my_height = GaigsAV.preferred_height; } // First capture the new image in a buffer called image2 SnapAt = sAt; BufferedImage image2 = new BufferedImage(my_width, my_height, BufferedImage.TYPE_INT_RGB); Graphics2D g2 = (Graphics2D) image2.getGraphics(); // need a separate object each time? g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); g2.setColor(Color.WHITE); g2.fillRect(0, 0, my_width, my_height); // Set horizoff and vertoff to properly center the visualization in the // viewing window. This is not quite perfect because visualizations // that are not properly centered within their [0,1] localized // coordinates will not be perfectly centered, but it is much better // than it was previously. if (no_mouse_drag) { horizoff = (my_width - GaigsAV.preferred_width) / 2; vertoff = (my_height - GaigsAV.preferred_height) / 2; } list_of_snapshots.reset(); x = 0; lt = new LinkedList(); while (x < SnapAt && list_of_snapshots.hasMoreElements()) { lt = (LinkedList) list_of_snapshots.nextElement(); x++; } lt.reset(); animation_done = true; // System.out.println("before loop " + horizoff); while (lt.hasMoreElements()) { obj tempObj = (obj) lt.nextElement(); animation_done = animation_done && (tempObj.execute(g2 /*offscreen*/, zoom, vertoff, horizoff)); // System.out.println("in loop"); } // Next capture the image we are coming from in a buffer called image1 SnapAt = (forward ? sAt - 1 : sAt + 1); BufferedImage image1 = new BufferedImage(my_width, my_height, BufferedImage.TYPE_INT_RGB); Graphics2D g1 = (Graphics2D) image1.getGraphics(); // need a separate object each time? g1.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); g1.setColor(Color.WHITE); g1.fillRect(0, 0, my_width, my_height); // Set horizoff and vertoff to properly center the visualization in the // viewing window. This is not quite perfect because visualizations // that are not properly centered within their [0,1] localized // coordinates will not be perfectly centered, but it is much better // than it was previously. if (no_mouse_drag) { horizoff = (my_width - GaigsAV.preferred_width) / 2; vertoff = (my_height - GaigsAV.preferred_height) / 2; } list_of_snapshots.reset(); x = 0; lt = new LinkedList(); while (x < SnapAt && list_of_snapshots.hasMoreElements()) { lt = (LinkedList) list_of_snapshots.nextElement(); x++; } lt.reset(); animation_done = true; // System.out.println("before loop " + horizoff); while (lt.hasMoreElements()) { obj tempObj = (obj) lt.nextElement(); animation_done = animation_done && (tempObj.execute(g1 /*offscreen*/, zoom, vertoff, horizoff)); // System.out.println("in loop"); } // Now slide from image1 to image2 // From the gaff Visualizer by Chris Gaffney // double step = 4; // Adjust this for more/less granularity between images double step = 40; // Adjust this for more/less granularity between images Image buffer = getGraphicsConfiguration().createCompatibleVolatileImage(my_width, my_height); Graphics2D g2d = (Graphics2D) buffer.getGraphics(); AffineTransform trans = AffineTransform.getTranslateInstance(step * (forward ? -1 : 1), 0); // AffineTransform orig = g2d.getTransform(); Shape mask = createMask(my_width, my_height); for (double i = 0; i < my_width; i += step) { if (i + step > my_width) // last time through loop, so adjust transform trans = AffineTransform.getTranslateInstance(((double) (my_width - i)) * (forward ? -1 : 1), 0); g2d.transform(trans); g2d.drawImage(image1, 0, 0, this); g2d.setColor(Color.BLACK); g2d.fill(mask); AffineTransform last = g2d.getTransform(); g2d.transform(AffineTransform.getTranslateInstance(my_width * (-1 * (forward ? -1 : 1)), 0)); g2d.drawImage(image2, 0, 0, this); g2d.setColor(Color.BLACK); g2d.fill(mask); g2d.setTransform(last); this.my_image = buffer; repaint(); try { Thread.sleep(10); } catch (InterruptedException e) { } } Image b = getGraphicsConfiguration().createCompatibleImage(my_width, my_height); b.getGraphics().drawImage(buffer, 0, 0, null); this.my_image = b; return animation_done; }