private void scaleImage() {
   Image img =
       back.getScaledInstance(scx(back.getWidth()), scy(back.getHeight()), Image.SCALE_SMOOTH);
   back =
       new BufferedImage(img.getWidth(null), img.getHeight(null), BufferedImage.TYPE_INT_ARGB);
   Graphics g = back.getGraphics();
   g.drawImage(img, 0, 0, null);
   g.dispose();
 }
Exemplo n.º 2
0
 /**
  * Turn a (possibly) translucent or indexed image into a display-compatible bitmask image using
  * the given alpha threshold and render-to-background colour, or display-compatible translucent
  * image. The alpha values in the image are set to either 0 (below threshold) or 255 (above
  * threshold). The render-to-background colour bg_col is used to determine how the pixels
  * overlapping transparent pixels should be rendered. The fast algorithm just sets the colour
  * behind the transparent pixels in the image (for bitmask source images); the slow algorithm
  * actually renders the image to a background of bg_col (for translucent sources).
  *
  * @param thresh alpha threshold between 0 and 255
  * @param fast use fast algorithm (only set bg_col behind transp. pixels)
  * @param bitmask true=use bitmask, false=use translucent
  */
 public JGImage toDisplayCompatible(int thresh, JGColor bg_col, boolean fast, boolean bitmask) {
   Color bgcol = new Color(bg_col.r, bg_col.g, bg_col.b);
   int bgcol_rgb = (bgcol.getRed() << 16) | (bgcol.getGreen() << 8) | bgcol.getBlue();
   JGPoint size = getSize();
   int[] buffer = getPixels();
   // render image to bg depending on bgcol
   BufferedImage img_bg;
   if (bitmask) {
     img_bg = createCompatibleImage(size.x, size.y, Transparency.BITMASK);
   } else {
     img_bg = createCompatibleImage(size.x, size.y, Transparency.TRANSLUCENT);
   }
   int[] bg_buf;
   if (!fast) {
     Graphics g = img_bg.getGraphics();
     g.setColor(bgcol);
     // the docs say I could use bgcol in the drawImage as an
     // equivalent to the following two lines, but this
     // doesn't handle translucency properly and is _slower_
     g.fillRect(0, 0, size.x, size.y);
     g.drawImage(img, 0, 0, null);
     bg_buf = new JREImage(img_bg).getPixels();
   } else {
     bg_buf = buffer;
   }
   // g.dispose();
   // ColorModel rgb_bitmask = ColorModel.getRGBdefault();
   // rgb_bitmask = new PackedColorModel(
   //		rgb_bitmask.getColorSpace(),25,0xff0000,0x00ff00,0x0000ff,
   //		0x1000000, false, Transparency.BITMASK, DataBuffer.TYPE_INT);
   //		ColorSpace space, int bits, int rmask, int gmask, int bmask, int amask, boolean
   // isAlphaPremultiplied, int trans, int transferType)
   int[] thrsbuf = new int[size.x * size.y];
   for (int y = 0; y < size.y; y++) {
     for (int x = 0; x < size.x; x++) {
       if (((buffer[y * size.x + x] >> 24) & 0xff) >= thresh) {
         thrsbuf[y * size.x + x] = bg_buf[y * size.x + x] | (0xff << 24);
       } else {
         // explicitly set the colour of the transparent pixel.
         // This makes a difference when scaling!
         // thrsbuf[y*size.x+x]=bg_buf[y*size.x+x]&~(0xff<<24);
         thrsbuf[y * size.x + x] = bgcol_rgb;
       }
     }
   }
   return new JREImage(
       output_comp.createImage(
           new MemoryImageSource(
               size.x,
               size.y,
               // rgb_bitmask,
               img_bg.getColorModel(), // display compatible bitmask
               bitmask ? thrsbuf : bg_buf,
               0,
               size.x)));
 }
Exemplo n.º 3
0
 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);
 }
Exemplo n.º 4
0
  public static java.awt.image.BufferedImage loadBufferedImageFromResources(
      Component c, String filename) {

    try {
      Misc m = new Misc();
      java.awt.Image img = loadImageFromResources(filename);
      MediaTracker mt = new MediaTracker(c);
      mt.addImage(img, 0);
      mt.waitForID(0);
      int width = img.getWidth(null);
      int height = img.getHeight(null);
      BufferedImage bi = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
      Graphics gg = bi.getGraphics();
      gg.drawImage(img, 0, 0, null);
      gg.dispose();
      return bi;
    } catch (Exception ex) {
      System.out.println(ex.toString());
    }
    return null;
  }
Exemplo n.º 5
0
  // 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;
  }
Exemplo n.º 6
0
  // 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 /*synchronized*/ boolean execute(int sAt) {

    // The commented-out variables below are remnants from legacy
    // code -- they appear to be no longer needed.

    //         String urlTemp="";
    //         int z=0;
    //         int idx;
    //         int urlid;
    //         boolean showURL=false;
    animation_done =
        true; // May be re-set in paintComponent via indirect paintImmediately call at end

    // Was used in abored attempted to
    // introduce animated primitives.  Now
    // it's probably excess baggage that
    // remains because I still have hopes
    // of eventually having animated
    // primitives
    SnapAt = sAt;

    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;
    }
    BufferedImage buff = new BufferedImage(my_width, my_height, BufferedImage.TYPE_INT_RGB);
    Graphics2D g2 = (Graphics2D) buff.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){
    // 	    if(first_paint_call){
    // // 		horizoff = (my_width - (int)(0.25 * my_width) -
    // // 			    GaigsAV.preferred_width) / 2;
    // 		horizoff = (my_width - GaigsAV.preferred_width) / 2;
    // 		first_paint_call = false;
    // 	    }else{
    // 		horizoff = (my_width - GaigsAV.preferred_width) / 2;
    // 		no_mouse_drag = false;
    // 	    }
    // 	}

    if (no_mouse_drag) {
      horizoff = (my_width - GaigsAV.preferred_width) / 2;
      vertoff = (my_height - GaigsAV.preferred_height) / 2;
    }

    int x;

    list_of_snapshots.reset();
    x = 0;
    LinkedList 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");
    }

    Shape mask = createMask(buff.getWidth(), buff.getHeight());

    g2.setColor(Color.BLACK);
    g2.fill(mask);

    my_image = buff;
    repaint();

    return animation_done;
  }
Exemplo n.º 7
0
  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;
  }