Example #1
0
  /** paint the canvas into a image file of given width and height */
  public void writeToImage(String s, int w, int h) {
    String ext;
    File f;
    try {
      ext = s.substring(s.lastIndexOf(".") + 1);
      f = new File(s);
    } catch (Exception e) {
      System.out.println(e);
      return;
    }
    if (!ext.equals("jpg") && !ext.equals("png")) {
      System.out.println("Cannot write to file: Illegal extension " + ext);
      return;
    }
    boolean opq = true;
    if (theOpaque != null) opq = theOpaque;

    BufferedImage image = new BufferedImage(w, h, BufferedImage.TYPE_INT_RGB);
    Graphics2D g2 = image.createGraphics();
    g2.setBackground(Color.white);
    g2.setPaint(Color.black);
    g2.setStroke(new BasicStroke(1));
    g2.setRenderingHint(
        RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC);
    doBuffer(g2, true, new Rectangle(0, 0, w, h));
    try {
      ImageIO.write(image, ext, f);
    } catch (Exception e) {
      System.out.println(e);
    }
  }
Example #2
0
 public void drawScaledImage(BufferedImage im, int x, int y, int w, int h) {
   float scaleX = w * 1.0f / im.getWidth();
   float scaleY = h * 1.0f / im.getHeight();
   AffineTransform tx = new AffineTransform();
   tx.scale(scaleX, scaleY);
   BufferedImageOp op = new AffineTransformOp(tx, AffineTransformOp.TYPE_BILINEAR);
   drawImage(im, op, x, y);
 }
Example #3
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)));
 }
Example #4
0
 public static BufferedImage cropImage(BufferedImage bi, int x, int y, int w, int h) {
   BufferedImage image = new BufferedImage(w, h, BufferedImage.TYPE_INT_RGB);
   Graphics2D g2 = image.createGraphics();
   g2.setRenderingHint(
       RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC);
   g2.setPaint(Color.white);
   g2.fillRect(0, 0, w, h);
   g2.drawImage(bi, -x, -y, null); // this);
   g2.dispose();
   return image;
 }
Example #5
0
 public static BufferedImage tileImage(BufferedImage im, int width, int height) {
   GraphicsConfiguration gc =
       GraphicsEnvironment.getLocalGraphicsEnvironment()
           .getDefaultScreenDevice()
           .getDefaultConfiguration();
   int transparency = Transparency.OPAQUE; // Transparency.BITMASK;
   BufferedImage compatible = gc.createCompatibleImage(width, height, transparency);
   Graphics2D g = (Graphics2D) compatible.getGraphics();
   g.setPaint(new TexturePaint(im, new Rectangle(0, 0, im.getWidth(), im.getHeight())));
   g.fillRect(0, 0, width, height);
   return compatible;
 }
Example #6
0
 public static BufferedImage scaleImage(BufferedImage bi, double scale) {
   int w1 = (int) (Math.round(scale * bi.getWidth()));
   int h1 = (int) (Math.round(scale * bi.getHeight()));
   BufferedImage image = new BufferedImage(w1, h1, BufferedImage.TYPE_INT_RGB);
   Graphics2D g2 = image.createGraphics();
   g2.setRenderingHint(
       RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC);
   g2.setPaint(Color.white);
   g2.fillRect(0, 0, w1, h1);
   g2.drawImage(bi, 0, 0, w1, h1, null); // this);
   g2.dispose();
   return image;
 }
Example #7
0
 public static BufferedImage rotateImage(BufferedImage bi) {
   int w = bi.getWidth();
   int h = bi.getHeight();
   BufferedImage image = new BufferedImage(h, w, BufferedImage.TYPE_INT_RGB);
   Graphics2D g2 = image.createGraphics();
   g2.setRenderingHint(
       RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC);
   g2.setPaint(Color.white); // getBackground());
   g2.fillRect(0, 0, h, w);
   g2.rotate(90 * Math.PI / 180);
   g2.drawImage(bi, 0, -h, w, h, null); // this);
   g2.dispose();
   return image;
 }
Example #8
0
  /**
   * Synchronize the textLayout and the shape (=frame box, by calling syncFrame) with the model When
   * <code>TextLayout</code> is used, this delegates to <code>getRotation()</code> where computing
   * rotation angle is concerned, and updates the AffineTransform returned by <code>
   * getTextToModelTransform()</code>.
   */
  protected void syncShape() {
    PicText te = (PicText) element;

    //			textLayout = new TextLayout(te.getText().length()==0 ? " " : te.getText(),
    //			    textFont,
    //			    new FontRenderContext(null,false,false));

    text2ModelTr.setToIdentity(); // reset
    PicPoint anchor = te.getCtrlPt(TextEditable.P_ANCHOR, ptBuf);
    text2ModelTr.rotate(getRotation(), anchor.x, anchor.y); // rotate along P_ANCHOR !
    // the reference point of an image is the top-left one, but the refpoint of a text layout is on
    // the baseline
    if (image != null) {
      text2ModelTr.translate(te.getLeftX(), te.getTopY());
      if (te.getWidth() != 0
          && image.getWidth() != 0
          && (te.getDepth() + te.getHeight()) != 0
          && image.getHeight() != 0)
        text2ModelTr.scale(
            te.getWidth() / image.getWidth(),
            -(te.getHeight() + te.getDepth()) / image.getHeight());
    } else {
      // Hack ? Just cheating a little bit ? Ou juste ruse ?
      // we want here to use the dimensions of the textLayout instead of latex dimensions if
      // areDimensionsComputed
      // sinon on va aligner le textlayout en fonction des parametres latex, et l'Utilisateur (qui
      // est bien bete) ne va rien comprendre.
      double latexH = 0;
      double latexD = 0;
      double latexW = 0;
      if (areDimensionsComputed) { // store latex dimensions, and setDimensions to textLayout ones
        latexH = te.getHeight();
        latexD = te.getDepth();
        latexW = te.getWidth();
        te.setDimensions(
            textLayout.getBounds().getWidth(), textLayout.getAscent(), textLayout.getDescent());
      }
      text2ModelTr.translate(te.getLeftX(), te.getBaseLineY());
      if (areDimensionsComputed) { // restore latex dimensions
        te.setDimensions(latexW, latexH, latexD);
      }
      // Autre possibilite= comprimer le texte pour qu'il rentre dans la boite (evite le hack
      // ci-dessus):
      // text2ModelTr.scale(te.getWidth()/textLayout.getWidth(),-(te.getHeight()+te.getDepth())/textLayout.getHeight());
      text2ModelTr.scale(1.0, -1.0);
    }
    syncFrame();
  }
Example #9
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);
 }
Example #10
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;
  }
Example #11
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;
  }
Example #12
0
 /**
  * Create RGBA-8 image from ints (each int = AABBGGRR). why isn't there a built in method to do
  * this?
  */
 public static BufferedImage createRGBA8Image(int[] pix, int width, int height) {
   BufferedImage img = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
   img.setRGB(0, 0, width, height, pix, 0, width);
   return img;
 }
Example #13
0
  // Thread's run method aimed at creating a bitmap asynchronously
  public void run() {
    Drawing drawing = new Drawing();
    PicText rawPicText = new PicText();
    String s = ((PicText) element).getText();
    rawPicText.setText(s);
    drawing.add(
        rawPicText); // bug fix: we must add a CLONE of the PicText, otherwise it loses it former
                     // parent... (then pb with the view )
    drawing.setNotparsedCommands(
        "\\newlength{\\jpicwidth}\\settowidth{\\jpicwidth}{"
            + s
            + "}"
            + CR_LF
            + "\\newlength{\\jpicheight}\\settoheight{\\jpicheight}{"
            + s
            + "}"
            + CR_LF
            + "\\newlength{\\jpicdepth}\\settodepth{\\jpicdepth}{"
            + s
            + "}"
            + CR_LF
            + "\\typeout{JPICEDT INFO: \\the\\jpicwidth, \\the\\jpicheight,  \\the\\jpicdepth }"
            + CR_LF);
    RunExternalCommand.Command commandToRun = RunExternalCommand.Command.BITMAP_CREATION;
    // RunExternalCommand command = new RunExternalCommand(drawing, contentType,commandToRun);
    boolean isWriteTmpTeXfile = true;
    String bitmapExt = "png"; // [pending] preferences
    String cmdLine =
        "{i}/unix/tetex/create_bitmap.sh {p} {f} "
            + bitmapExt
            + " "
            + fileDPI; // [pending] preferences
    ContentType contentType = getContainer().getContentType();
    RunExternalCommand.isGUI = false; // System.out, no dialog box // [pending] debug
    RunExternalCommand command =
        new RunExternalCommand(drawing, contentType, cmdLine, isWriteTmpTeXfile);
    command
        .run(); // synchronous in an async. thread => it's ok (anyway, we must way until the LaTeX
                // process has completed)

    if (wantToComputeLatexDimensions) {
      // load size of text:
      try {
        File logFile = new File(command.getTmpPath(), command.getTmpFilePrefix() + ".log");
        BufferedReader reader = null;
        try {
          reader = new BufferedReader(new FileReader(logFile));
        } catch (FileNotFoundException fnfe) {
          System.out.println("Cannot find log file! " + fnfe.getMessage());
          System.out.println(logFile);
        } catch (IOException ioex) {
          System.out.println("Log file IO exception");
          ioex.printStackTrace();
        } // utile ?
        System.out.println("Log file created! file=" + logFile);
        getDimensionsFromLogFile(reader, (PicText) element);
        syncStringLocation(); // update dimensions
        syncBounds();
        syncFrame();
        SwingUtilities.invokeLater(
            new Thread() {
              public void run() {
                repaint(null);
              }
            });
        // repaint(null); // now that dimensions are available, we force a repaint() [pending]
        // smart-repaint ?
      } catch (Exception e) {
        e.printStackTrace();
      }
    }

    if (wantToGetBitMap) {
      // load image:
      try {
        File bitmapFile =
            new File(command.getTmpPath(), command.getTmpFilePrefix() + "." + bitmapExt);
        this.image = ImageIO.read(bitmapFile);
        System.out.println(
            "Bitmap created! file="
                + bitmapFile
                + ", width="
                + image.getWidth()
                + "pixels, height="
                + image.getHeight()
                + "pixels");
        if (image == null) return;
        syncStringLocation(); // sets strx, stry, and dimensions of text
        syncBounds();
        // update the AffineTransform that will be applied to the bitmap before displaying on screen
        PicText te = (PicText) element;
        text2ModelTr.setToIdentity(); // reset
        PicPoint anchor = te.getCtrlPt(TextEditable.P_ANCHOR, ptBuf);
        text2ModelTr.rotate(getRotation(), anchor.x, anchor.y); // rotate along P_ANCHOR !
        text2ModelTr.translate(te.getLeftX(), te.getTopY());
        text2ModelTr.scale(
            te.getWidth() / image.getWidth(),
            -(te.getHeight() + te.getDepth()) / image.getHeight());
        // [pending]  should do something special to avoid dividing by 0 or setting a rescaling
        // factor to 0 [non invertible matrix] (java will throw an exception)
        syncFrame();
        SwingUtilities.invokeLater(
            new Thread() {
              public void run() {
                repaint(null);
              }
            });
        // repaint(null); // now that bitmap is available, we force a repaint() [pending]
        // smart-repaint ?
      } catch (Exception e) {
        e.printStackTrace();
      }
    }
  }