protected void drawImageMosaic(Graphics2D g2) { // Break the image up into tiles. Draw each // tile with its own transparency, allowing // the background to show through to varying // degrees. int side = 36; int width = mImage.getWidth(); int height = mImage.getHeight(); for (int y = 0; y < height; y += side) { for (int x = 0; x < width; x += side) { // Calculate an appropriate transparency value. float xBias = (float) x / (float) width; float yBias = (float) y / (float) height; float alpha = 1.0f - Math.abs(xBias - yBias); g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, alpha)); // Draw the subimage. int w = Math.min(side, width - x); int h = Math.min(side, height - y); BufferedImage tile = mImage.getSubimage(x, y, w, h); g2.drawImage(tile, x, y, null); } } // Reset the composite. g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER)); }
/** * Returns the specified image as icon. * * @param name name of icon * @return icon */ public static ImageIcon icon(final String name) { ImageIcon ii = ICONS.get(name); if (ii != null) return ii; Image img; if (GUIConstants.scale > 1) { // choose large image or none final URL url = GUIConstants.large() ? BaseXImages.class.getResource("/img/" + name + "_32.png") : null; if (url == null) { // resize low-res image if no hi-res image exists img = get(url(name)); final int w = (int) (img.getWidth(null) * GUIConstants.scale); final int h = (int) (img.getHeight(null) * GUIConstants.scale); final BufferedImage tmp = new BufferedImage(w, h, BufferedImage.TYPE_INT_ARGB); final Graphics2D g2 = tmp.createGraphics(); g2.setRenderingHint( RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC); g2.drawImage(img, 0, 0, w, h, null); g2.dispose(); img = tmp; } else { img = get(url); } } else { img = get(name); } ii = new ImageIcon(img); ICONS.put(name, ii); return ii; }
/** * Draw picture (gif, jpg, or png) centered on (x, y). * * @param x the center x-coordinate of the image * @param y the center y-coordinate of the image * @param s the name of the image/picture, e.g., "ball.gif" * @throws RuntimeException if the image is corrupt */ public static void picture(double x, double y, String s) { Image image = getImage(s); double xs = scaleX(x); double ys = scaleY(y); int ws = image.getWidth(null); int hs = image.getHeight(null); if (ws < 0 || hs < 0) throw new RuntimeException("image " + s + " is corrupt"); offscreen.drawImage( image, (int) Math.round(xs - ws / 2.0), (int) Math.round(ys - hs / 2.0), null); draw(); }
/** * Gets a buffered image. * * @return the image */ public BufferedImage getBufferedImage() { if (image == null && isAnImage) { Image im = getImage(); if (im == null) { isAnImage = false; } else { image = new BufferedImage(im.getWidth(null), im.getHeight(null), BufferedImage.TYPE_INT_RGB); Graphics2D g2 = image.createGraphics(); g2.drawImage(im, 0, 0, null); } } return image; }
/* 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); }
/** * Draw picture (gif, jpg, or png) centered on (x, y), rotated given number of degrees * * @param x the center x-coordinate of the image * @param y the center y-coordinate of the image * @param s the name of the image/picture, e.g., "ball.gif" * @param degrees is the number of degrees to rotate counterclockwise * @throws IllegalArgumentException if the image is corrupt */ public static void picture(double x, double y, String s, double degrees) { Image image = getImage(s); double xs = scaleX(x); double ys = scaleY(y); int ws = image.getWidth(null); int hs = image.getHeight(null); if (ws < 0 || hs < 0) throw new IllegalArgumentException("image " + s + " is corrupt"); offscreen.rotate(Math.toRadians(-degrees), xs, ys); offscreen.drawImage( image, (int) Math.round(xs - ws / 2.0), (int) Math.round(ys - hs / 2.0), null); offscreen.rotate(Math.toRadians(+degrees), xs, ys); draw(); }
public void paint(Graphics g) { Graphics2D g2d = (Graphics2D) g; AffineTransform trans = new AffineTransform(); int width = getSize().width; int height = getSize().height; g2d.setColor(Color.BLACK); g2d.fillRect(0, 0, width, height); trans.setTransform(identity); trans.scale(scale, scale); g2d.drawImage(image, trans, this); }
public JGImage rotateAny(double angle) { JGPoint size = getSize(); int sw = size.x; int sh = size.y; // destination size is upper bound size. Upper bound is the max // of the longest dimension and the figure's dimension at 45 degrees // = sw*sin(45)+sh*cos(45) ~= 1.5*(sw+sh) int dw = (int) Math.max(Math.max(sw, sh), 0.75 * (sw + sh)); int dh = dw; int xtrans = (dw - sw) / 2; int ytrans = (dh - sh) / 2; BufferedImage dst = createCompatibleImage(dw, dh, Transparency.BITMASK); Graphics2D g = (Graphics2D) dst.getGraphics(); AffineTransform tt = AffineTransform.getTranslateInstance(xtrans, ytrans); AffineTransform tr = AffineTransform.getRotateInstance(angle, sw / 2, sh / 2); tt.concatenate(tr); g.drawImage(img, tt, null); return new JREImage(dst); }
/** * Draw picture (gif, jpg, or png) centered on (x, y), rotated given number of degrees, rescaled * to w-by-h. * * @param x the center x-coordinate of the image * @param y the center y-coordinate of the image * @param s the name of the image/picture, e.g., "ball.gif" * @param w the width of the image * @param h the height of the image * @param degrees is the number of degrees to rotate counterclockwise * @throws RuntimeException if the image is corrupt */ public static void picture(double x, double y, String s, double w, double h, double degrees) { Image image = getImage(s); double xs = scaleX(x); double ys = scaleY(y); double ws = factorX(w); double hs = factorY(h); if (ws < 0 || hs < 0) throw new RuntimeException("image " + s + " is corrupt"); if (ws <= 1 && hs <= 1) pixel(x, y); offscreen.rotate(Math.toRadians(-degrees), xs, ys); offscreen.drawImage( image, (int) Math.round(xs - ws / 2.0), (int) Math.round(ys - hs / 2.0), (int) Math.round(ws), (int) Math.round(hs), null); offscreen.rotate(Math.toRadians(+degrees), xs, ys); draw(); }
/** * Draw picture (gif, jpg, or png) centered on (x, y), rescaled to w-by-h. * * @param x the center x coordinate of the image * @param y the center y coordinate of the image * @param s the name of the image/picture, e.g., "ball.gif" * @param w the width of the image * @param h the height of the image * @throws RuntimeException if the width height are negative * @throws RuntimeException if the image is corrupt */ public static void picture(double x, double y, String s, double w, double h) { Image image = getImage(s); double xs = scaleX(x); double ys = scaleY(y); if (w < 0) throw new RuntimeException("width is negative: " + w); if (h < 0) throw new RuntimeException("height is negative: " + h); double ws = factorX(w); double hs = factorY(h); if (ws < 0 || hs < 0) throw new RuntimeException("image " + s + " is corrupt"); if (ws <= 1 && hs <= 1) pixel(x, y); else { offscreen.drawImage( image, (int) Math.round(xs - ws / 2.0), (int) Math.round(ys - hs / 2.0), (int) Math.round(ws), (int) Math.round(hs), null); } draw(); }
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; }
// draw onscreen if defer is false private static void draw() { if (defer) return; onscreen.drawImage(offscreenImage, 0, 0, null); frame.repaint(); }
// 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; }
/** Get an image based on index numbers */ public BufferedImage getIndexedImage( int x, int y, int zoom, int cacheZoom, GMapListener listener) { if (listener != null) { if (!getGDataSource().isCached(x, y, zoom)) { listener.updateGMapPainting(); listener.updateGMapMessage(GMap.MESSAGE_DOWNLOADING); } else { listener.updateGMapMessage(GMap.MESSAGE_PAINTING); } } BufferedImage thumbImage = getGDataSource().getImage(x, y, zoom, true); if (thumbImage == null) return defaultImage; // if we dont have to paint cache, return here if (cacheZoom == (GPhysicalPoint.MIN_ZOOM - 1) || cacheZoom >= zoom) return thumbImage; BufferedImage paintedImage = new BufferedImage( GDataSource.sourceSize.width, GDataSource.sourceSize.height, BufferedImage.TYPE_INT_ARGB); Graphics2D graphics2D = paintedImage.createGraphics(); graphics2D.drawImage( thumbImage, 0, 0, GDataSource.sourceSize.width, GDataSource.sourceSize.height, null); // now lets move to painting the cache double imageNum = Math.pow(2, zoom - cacheZoom); // draw cache lines int startX = (int) (imageNum * x); int startY = (int) (imageNum * y); // get composite to restore later, set new transparent composite Composite originalComposite = graphics2D.getComposite(); graphics2D.setComposite(opacity40); // draw grid for (int i = 0; i < imageNum; i++) { for (int j = 0; j < imageNum; j++) { // points Point upperLeft = new Point( (int) (GDataSource.sourceSize.width / imageNum) * i, (int) (GDataSource.sourceSize.height / imageNum) * j); Dimension size = new Dimension( (int) (GDataSource.sourceSize.width / imageNum), (int) (GDataSource.sourceSize.height / imageNum)); // draw lines graphics2D.setColor(new Color(100, 100, 100)); graphics2D.drawLine(upperLeft.x, upperLeft.y, upperLeft.x + size.width, upperLeft.y); graphics2D.drawLine(upperLeft.x, upperLeft.y, upperLeft.x, upperLeft.y + size.height); // check if file exists if (getGDataSource().isCached(startX + i, startY + j, cacheZoom)) graphics2D.setColor(Color.RED); else graphics2D.setColor(new Color(155, 155, 155)); // shade rectangle graphics2D.fillRect(upperLeft.x, upperLeft.y, size.width, size.height); } } // restore composite graphics2D.setComposite(originalComposite); return paintedImage; }
private BufferedImage getSpecificImage( int x, int y, int w, int h, int imgIndexX, int imgIndexY, BufferedImage buffImg, int zoom, int cachedZoom, GMapListener listener, boolean localFilesOnly) { int xIndex = x / GDataSource.sourceSize.width; int yIndex = y / GDataSource.sourceSize.height; xIndex += imgIndexX; yIndex += imgIndexY; BufferedImage image = null; if (!localFilesOnly || getGDataSource().isCached(xIndex, yIndex, zoom)) image = getIndexedImage(xIndex, yIndex, zoom, cachedZoom, listener); int xCoord = x % GDataSource.sourceSize.width; int yCoord = y % GDataSource.sourceSize.height; // Checks for invalid xCoord and yCoord if (xCoord < 0) { xCoord = 0; } if (yCoord < 0) { yCoord = 0; } // get info about the image Dimension imageSize = new Dimension(getGDataSource().sourceSize.width, getGDataSource().sourceSize.height); // find the width of what we CAN paint int initPaintWidth = imageSize.width - xCoord; int initPaintHeight = imageSize.height - yCoord; int paintWidth = initPaintWidth; int paintHeight = initPaintHeight; int rowImages = numOfRows(x, y, h, zoom, cachedZoom); int colImages = numOfCols(x, y, w, zoom, cachedZoom); if (imgIndexX >= colImages || imgIndexY >= rowImages) { return null; } int xImage = 0; int yImage = 0; int xInitCoord = xCoord; int yInitCoord = yCoord; if (imgIndexX > 0) { xImage = initPaintWidth + (imgIndexX - 1) * imageSize.width; xCoord = 0; if (imgIndexX < (colImages - 1)) { paintWidth = imageSize.width; } else { paintWidth = w - ((colImages - 2) * imageSize.width) - (imageSize.width - xInitCoord); } } if (imgIndexY > 0) { yImage = initPaintHeight + (imgIndexY - 1) * imageSize.height; yCoord = 0; if (imgIndexY < (rowImages - 1)) { paintHeight = imageSize.height; } else { paintHeight = h - ((rowImages - 2) * imageSize.height) - (imageSize.height - yInitCoord); } } if (buffImg != null) { Graphics2D g = (Graphics2D) buffImg.getGraphics(); if (image != null) { // System.out.println(xCoord + ":" + yCoord + ":" + paintWidth + ":" + paintHeight); g.drawImage( image.getSubimage(xCoord, yCoord, paintWidth, paintHeight), xImage, yImage, paintWidth, paintHeight, null); } else { Composite originalComposite = g.getComposite(); g.setComposite(opacity40); g.setColor(Color.BLACK); g.fillRect(xImage, yImage, paintWidth, paintHeight); g.setComposite(originalComposite); } } return buffImg; }
public void paint(Graphics g) { Graphics2D g2d = (Graphics2D) g; int width = 640 - image.getWidth(this); int height = 480 - image.getHeight(this); g2d.drawImage(image, rand.nextInt(width), rand.nextInt(height), this); }