Exemple #1
0
  public ImagePanel(Kdu_coords viewSize) throws KduException {
    int width = Math.min(viewSize.Get_x(), 1600);
    int height = Math.min(viewSize.Get_y(), 1200);

    setPreferredSize(new Dimension(width, height));

    getInputMap().put(KeyStroke.getKeyStroke("UP"), "pressedUpArrow");
    getActionMap()
        .put(
            "pressedUpArrow",
            new AbstractAction() {
              public void actionPerformed(ActionEvent evt) {
                // placeholder
              }
            });
    getInputMap().put(KeyStroke.getKeyStroke("DOWN"), "pressedDownArrow");
    getActionMap()
        .put(
            "pressedDownArrow",
            new AbstractAction() {
              public void actionPerformed(ActionEvent evt) {
                // placeholder
              }
            });
  }
 /**
  * Writes the <code>shape</code>, <code>coords</code>, <code>href</code>,
  * <code>nohref</code> Attribute for the specified figure and ellipse.
  *
  * @return Returns true, if the circle is inside of the image bounds.
  */
 private boolean writeCircleAttributes(IXMLElement elem, SVGFigure f, Ellipse2D.Double ellipse) {
     AffineTransform t = TRANSFORM.getClone(f);
     if (t == null) {
         t = drawingTransform;
     } else {
         t.preConcatenate(drawingTransform);
     }
     
     if ((t.getType() &
             (AffineTransform.TYPE_UNIFORM_SCALE | AffineTransform.TYPE_TRANSLATION)) ==
             t.getType() &&
             ellipse.width == ellipse.height
             ) {
         
         Point2D.Double start = new Point2D.Double(ellipse.x, ellipse.y);
         Point2D.Double end = new Point2D.Double(ellipse.x + ellipse.width, ellipse.y + ellipse.height);
         t.transform(start, start);
         t.transform(end, end);
         ellipse.x = Math.min(start.x, end.x);
         ellipse.y = Math.min(start.y, end.y);
         ellipse.width = Math.abs(start.x - end.x);
         ellipse.height = Math.abs(start.y - end.y);
         
         elem.setAttribute("shape", "circle");
         elem.setAttribute("coords",
                 (int) (ellipse.x + ellipse.width / 2d)+","+
                 (int) (ellipse.y + ellipse.height / 2d)+","+
                 (int) (ellipse.width / 2d)
                 );
         writeHrefAttribute(elem, f);
         return bounds.intersects(ellipse.getBounds());
     } else {
         return writePolyAttributes(elem, f, (Shape) ellipse);
     }
 }
Exemple #3
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  public void paint(Graphics g) {
    super.paint(g);

    Graphics2D g2 = (Graphics2D) g;
    int size =
        Math.min(
            MAX_SIZE,
            Math.min(
                getWidth() - imagePadding.left - imagePadding.right,
                getHeight() - imagePadding.top - imagePadding.bottom));

    g2.translate(getWidth() / 2 - size / 2, getHeight() / 2 - size / 2);
    g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);

    Shape shape;

    if (mode == ColorPicker.SAT || mode == ColorPicker.BRI) {
      shape = new Ellipse2D.Float(0, 0, size, size);
    } else {
      Rectangle r = new Rectangle(0, 0, size, size);
      shape = r;
    }

    if (hasFocus()) {
      PaintUtils.paintFocus(g2, shape, 5);
    }

    if (!(shape instanceof Rectangle)) {
      // paint a circular shadow
      g2.translate(2, 2);
      g2.setColor(new Color(0, 0, 0, 20));
      g2.fill(new Ellipse2D.Float(-2, -2, size + 4, size + 4));
      g2.setColor(new Color(0, 0, 0, 40));
      g2.fill(new Ellipse2D.Float(-1, -1, size + 2, size + 2));
      g2.setColor(new Color(0, 0, 0, 80));
      g2.fill(new Ellipse2D.Float(0, 0, size, size));
      g2.translate(-2, -2);
    }

    g2.drawImage(image, 0, 0, size, size, 0, 0, size, size, null);

    if (shape instanceof Rectangle) {
      Rectangle r = (Rectangle) shape;
      PaintUtils.drawBevel(g2, r);
    } else {
      g2.setColor(new Color(0, 0, 0, 120));
      g2.draw(shape);
    }

    g2.setColor(Color.white);
    g2.setStroke(new BasicStroke(1));
    g2.draw(new Ellipse2D.Float(point.x - 3, point.y - 3, 6, 6));
    g2.setColor(Color.black);
    g2.draw(new Ellipse2D.Float(point.x - 4, point.y - 4, 8, 8));

    g.translate(-imagePadding.left, -imagePadding.top);
  }
Exemple #4
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        public void mousePressed(MouseEvent e) {
          requestFocus();
          Point p = e.getPoint();
          int size =
              Math.min(
                  MAX_SIZE,
                  Math.min(
                      getWidth() - imagePadding.left - imagePadding.right,
                      getHeight() - imagePadding.top - imagePadding.bottom));
          p.translate(-(getWidth() / 2 - size / 2), -(getHeight() / 2 - size / 2));
          if (mode == ColorPicker.BRI || mode == ColorPicker.SAT) {
            // the two circular views:
            double radius = ((double) size) / 2.0;
            double x = p.getX() - size / 2.0;
            double y = p.getY() - size / 2.0;
            double r = Math.sqrt(x * x + y * y) / radius;
            double theta = Math.atan2(y, x) / (Math.PI * 2.0);

            if (r > 1) r = 1;

            if (mode == ColorPicker.BRI) {
              setHSB((float) (theta + .25f), (float) (r), bri);
            } else {
              setHSB((float) (theta + .25f), sat, (float) (r));
            }
          } else if (mode == ColorPicker.HUE) {
            float s = ((float) p.x) / ((float) size);
            float b = ((float) p.y) / ((float) size);
            if (s < 0) s = 0;
            if (s > 1) s = 1;
            if (b < 0) b = 0;
            if (b > 1) b = 1;
            setHSB(hue, s, b);
          } else {
            int x2 = p.x * 255 / size;
            int y2 = p.y * 255 / size;
            if (x2 < 0) x2 = 0;
            if (x2 > 255) x2 = 255;
            if (y2 < 0) y2 = 0;
            if (y2 > 255) y2 = 255;

            if (mode == ColorPicker.RED) {
              setRGB(red, x2, y2);
            } else if (mode == ColorPicker.GREEN) {
              setRGB(x2, green, y2);
            } else {
              setRGB(x2, y2, blue);
            }
          }
        }
Exemple #5
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 public static WritableRaster glowmask(Raster img) {
   Coord sz = imgsz(img);
   int nb = img.getNumBands();
   WritableRaster ret = alpharaster(sz);
   float[] hsv = new float[3];
   float max = 0;
   for (int y = 0; y < sz.y; y++) {
     for (int x = 0; x < sz.x; x++) {
       Color.RGBtoHSB(img.getSample(x, y, 0), img.getSample(x, y, 1), img.getSample(x, y, 2), hsv);
       float a = (nb > 3) ? (img.getSample(x, y, 3) / 255f) : 1f;
       float val = ((1f - hsv[1]) * hsv[2]) * a;
       max = Math.max(max, val);
     }
   }
   float imax = 1f / max;
   for (int y = 0; y < sz.y; y++) {
     for (int x = 0; x < sz.x; x++) {
       Color.RGBtoHSB(img.getSample(x, y, 0), img.getSample(x, y, 1), img.getSample(x, y, 2), hsv);
       float a = (nb > 3) ? (img.getSample(x, y, 3) / 255f) : 1f;
       float val = ((1f - hsv[1]) * hsv[2]) * a;
       ret.setSample(x, y, 0, Math.min(Math.max((int) (Math.sqrt(val * imax) * 255), 0), 255));
     }
   }
   return (ret);
 }
  @Override
  public int print(Graphics g, PageFormat pf, int page) throws PrinterException {
    if (page > 0) {
      return NO_SUCH_PAGE;
    }

    int i = pf.getOrientation();

    // get the size of the page
    double pageWidth = pf.getImageableWidth();
    double pageHeight = pf.getImageableHeight();
    double myWidth = this.getWidth(); // - borderWidth * 2;
    double myHeight = this.getHeight(); // - borderWidth * 2;
    double scaleX = pageWidth / myWidth;
    double scaleY = pageHeight / myHeight;
    double minScale = Math.min(scaleX, scaleY);

    Graphics2D g2d = (Graphics2D) g;
    g2d.translate(pf.getImageableX(), pf.getImageableY());
    g2d.scale(minScale, minScale);

    drawPlot(g);

    return PAGE_EXISTS;
  }
Exemple #7
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 public BufferedImage filter(BufferedImage src, BufferedImage dst) {
   icentreX = src.getWidth() * centreX;
   icentreY = src.getHeight() * centreY;
   if (radius == 0) radius = Math.min(icentreX, icentreY);
   radius2 = radius * radius;
   return super.filter(src, dst);
 }
  protected void drawPointLegend(
      VPFSymbolAttributes attr, Graphics2D g2, int width, int height, int margin) {
    if (attr.getIconImageSource() == null) return;

    BufferedImage icon = getImage(attr.getIconImageSource());
    if (icon != null) {
      // icon width / height
      int iw = icon.getWidth();
      int ih = icon.getHeight();
      // draw area width / height
      int dw = width - margin * 2;
      int dh = height - margin * 2;
      // draw scale to fit icon inside draw area
      float sx = iw > dw ? (float) dw / iw : 1f; // shrink only
      float sy = ih > dh ? (float) dh / ih : 1f;
      float scale = Math.min(sx, sy);
      iw = (int) ((float) iw * scale);
      ih = (int) ((float) ih * scale);
      // Center image and draw
      int x1 = iw < dw ? margin + (dw - iw) / 2 : margin;
      int y1 = ih < dh ? margin + (dh - ih) / 2 : margin;
      g2.setRenderingHint(
          RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BILINEAR);
      g2.drawImage(icon, x1, y1, iw, ih, null);
    }
  }
 public Point componentToImage(Point p) {
   float r = Math.min(getWidth() / (float) width, getHeight() / (float) height);
   int x = (int) (p.getX() / r);
   int y = (int) (p.getY() / r);
   if ((x > width - 1) || (y > height - 1)) return new Point(-1, -1);
   return new Point(x, y);
 }
Exemple #10
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 protected void paintImage(
     Component c, Graphics g, int x, int y, int imageW, int imageH, Image image, Object[] args) {
   boolean isVertical = ((Boolean) args[1]).booleanValue();
   // Render to the screen
   g.translate(x, y);
   if (isVertical) {
     for (int counter = 0; counter < w; counter += IMAGE_SIZE) {
       int tileSize = Math.min(IMAGE_SIZE, w - counter);
       g.drawImage(image, counter, 0, counter + tileSize, h, 0, 0, tileSize, h, null);
     }
   } else {
     for (int counter = 0; counter < h; counter += IMAGE_SIZE) {
       int tileSize = Math.min(IMAGE_SIZE, h - counter);
       g.drawImage(image, 0, counter, w, counter + tileSize, 0, 0, w, tileSize, null);
     }
   }
   g.translate(-x, -y);
 }
Exemple #11
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 static int getSelectorAsInt(final String fromString) {
   final byte[] b = fromString.getBytes();
   final int len = Math.min(b.length, 4);
   int result = 0;
   for (int i = 0; i < len; i++) {
     if (i > 0) result <<= 8;
     result |= (b[i] & 0xff);
   }
   return result;
 }
Exemple #12
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 /**
  * Gets the dimension of the lattice in pixel units.
  *
  * @param panel
  * @return the dimension
  */
 public Dimension getInterior(DrawingPanel panel) {
   float availableWidth = panel.getWidth() - panel.getLeftGutter() - panel.getRightGutter() - 1;
   float availableHeight = panel.getHeight() - panel.getTopGutter() - panel.getBottomGutter() - 1;
   scaleFactor = Math.min(availableWidth / dimension.width, availableHeight / dimension.height);
   if (scaleFactor > 1) {
     scaleFactor = 1;
     return dimension;
   }
   return new Dimension((int) (scaleFactor * ncol), (int) (scaleFactor * nrow));
 }
Exemple #13
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 public static BufferedImage monochromize(BufferedImage img, Color col) {
   Coord sz = Utils.imgsz(img);
   BufferedImage ret = TexI.mkbuf(sz);
   Raster src = img.getRaster();
   WritableRaster dst = ret.getRaster();
   boolean hasalpha = (src.getNumBands() == 4);
   for (int y = 0; y < sz.y; y++) {
     for (int x = 0; x < sz.x; x++) {
       int r = src.getSample(x, y, 0), g = src.getSample(x, y, 1), b = src.getSample(x, y, 2);
       int a = hasalpha ? src.getSample(x, y, 3) : 255;
       int max = Math.max(r, Math.max(g, b)), min = Math.min(r, Math.min(g, b));
       int val = (max + min) / 2;
       dst.setSample(x, y, 0, (col.getRed() * val) / 255);
       dst.setSample(x, y, 1, (col.getGreen() * val) / 255);
       dst.setSample(x, y, 2, (col.getBlue() * val) / 255);
       dst.setSample(x, y, 3, (col.getAlpha() * a) / 255);
     }
   }
   return (ret);
 }
Exemple #14
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 public static WritableRaster imggrow(WritableRaster img, int rad) {
   int h = img.getHeight(), w = img.getWidth();
   int[] buf = new int[w * h];
   int o = 0;
   for (int y = 0; y < h; y++) {
     for (int x = 0; x < w; x++) {
       int m = 0;
       int u = Math.max(0, y - rad), b = Math.min(h - 1, y + rad);
       int l = Math.max(0, x - rad), r = Math.min(w - 1, x + rad);
       for (int y2 = u; y2 <= b; y2++) {
         for (int x2 = l; x2 <= r; x2++) {
           m = Math.max(m, img.getSample(x2, y2, 0));
         }
       }
       buf[o++] = m;
     }
   }
   img.setSamples(0, 0, w, h, 0, buf);
   return (img);
 }
 private static Color getColorFromPallet(int[] pallet, float x) {
   if (x < 0f || x > 1f) {
     throw new IllegalArgumentException("Parameter outside of expected range");
   }
   int i = (int) (pallet.length * x);
   int max = pallet.length - 1;
   int index = Math.min(Math.max(i, 0), max);
   return new Color(pallet[index] & 0x00FFFFFF);
   // translucent
   // int pix = pallet[index] & 0x00FFFFFF | (0x64 << 24);
   // return new Color(pix), true);
 }
Exemple #16
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        public void keyPressed(KeyEvent e) {
          int dx = 0;
          int dy = 0;
          if (e.getKeyCode() == KeyEvent.VK_LEFT) {
            dx = -1;
          } else if (e.getKeyCode() == KeyEvent.VK_RIGHT) {
            dx = 1;
          } else if (e.getKeyCode() == KeyEvent.VK_UP) {
            dy = -1;
          } else if (e.getKeyCode() == KeyEvent.VK_DOWN) {
            dy = 1;
          }
          int multiplier = 1;
          if (e.isShiftDown() && e.isAltDown()) {
            multiplier = 10;
          } else if (e.isShiftDown() || e.isAltDown()) {
            multiplier = 5;
          }
          if (dx != 0 || dy != 0) {
            int size =
                Math.min(
                    MAX_SIZE,
                    Math.min(
                        getWidth() - imagePadding.left - imagePadding.right,
                        getHeight() - imagePadding.top - imagePadding.bottom));

            int offsetX = getWidth() / 2 - size / 2;
            int offsetY = getHeight() / 2 - size / 2;
            mouseListener.mousePressed(
                new MouseEvent(
                    ColorPickerPanel.this,
                    MouseEvent.MOUSE_PRESSED,
                    System.currentTimeMillis(),
                    0,
                    point.x + multiplier * dx + offsetX,
                    point.y + multiplier * dy + offsetY,
                    1,
                    false));
          }
        }
Exemple #17
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 public static WritableRaster gayblit(
     WritableRaster dst, int dband, Coord doff, Raster src, int sband, Coord soff) {
   if (doff.x < 0) {
     soff = soff.add(-doff.x, 0);
     doff = doff.add(-doff.x, 0);
   }
   if (doff.y < 0) {
     soff = soff.add(0, -doff.x);
     doff = doff.add(0, -doff.x);
   }
   int w = Math.min(src.getWidth() - soff.x, dst.getWidth() - doff.x),
       h = Math.min(src.getHeight() - soff.y, dst.getHeight() - doff.y);
   for (int y = 0; y < h; y++) {
     int sy = y + soff.y, dy = y + doff.y;
     for (int x = 0; x < w; x++) {
       int sx = x + soff.x, dx = x + doff.x;
       dst.setSample(
           dx, dy, dband, (dst.getSample(dx, dy, dband) * src.getSample(sx, sy, sband)) / 255);
     }
   }
   return (dst);
 }
 /**
  * All other write methods delegate their work to here.
  */
 public void write(OutputStream out, java.util.List<Figure> figures) throws IOException {
     Rectangle2D.Double drawingRect = null;
     
     for (Figure f : figures) {
         if (drawingRect == null) {
             drawingRect = f.getBounds();
         } else {
             drawingRect.add(f.getBounds());
         }
     }
     
     AffineTransform drawingTransform = new AffineTransform();
     drawingTransform.translate(
             -Math.min(0, drawingRect.x),
             -Math.min(0, drawingRect.y)
             );
     
     write(out, figures, drawingTransform,
             new Dimension(
             (int) (Math.abs(drawingRect.x) + drawingRect.width),
             (int) (Math.abs(drawingRect.y) + drawingRect.height))
             );
 }
Exemple #19
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 public static WritableRaster imgblur(WritableRaster img, int rad, double var) {
   int h = img.getHeight(), w = img.getWidth();
   double[] gk = new double[(rad * 2) + 1];
   for (int i = 0; i <= rad; i++)
     gk[rad + i] = gk[rad - i] = Math.exp(-0.5 * Math.pow(i / var, 2.0));
   double s = 0;
   for (double cw : gk) s += cw;
   s = 1.0 / s;
   for (int i = 0; i <= rad * 2; i++) gk[i] *= s;
   int[] buf = new int[w * h];
   for (int band = 0; band < img.getNumBands(); band++) {
     int o;
     o = 0;
     for (int y = 0; y < h; y++) {
       for (int x = 0; x < w; x++) {
         double v = 0;
         int l = Math.max(0, x - rad), r = Math.min(w - 1, x + rad);
         for (int x2 = l, ks = l - (x - rad); x2 <= r; x2++, ks++)
           v += img.getSample(x2, y, band) * gk[ks];
         buf[o++] = (int) v;
       }
     }
     img.setSamples(0, 0, w, h, band, buf);
     o = 0;
     for (int y = 0; y < h; y++) {
       for (int x = 0; x < w; x++) {
         double v = 0;
         int u = Math.max(0, y - rad), b = Math.min(h - 1, y + rad);
         for (int y2 = u, ks = u - (y - rad); y2 <= b; y2++, ks++)
           v += img.getSample(x, y2, band) * gk[ks];
         buf[o++] = (int) v;
       }
     }
     img.setSamples(0, 0, w, h, band, buf);
   }
   return (img);
 }
 /**
  * Writes the <code>shape</code>, <code>coords</code>, <code>href</code>,
  * <code>nohref</code> Attribute for the specified figure and rectangle.
  *
  * @return Returns true, if the rect is inside of the image bounds.
  */
 private boolean writeRectAttributes(IXMLElement elem, SVGFigure f, Rectangle2D.Double rect) {
     AffineTransform t = TRANSFORM.getClone(f);
     if (t == null) {
         t = drawingTransform;
     } else {
         t.preConcatenate(drawingTransform);
     }
     
     if ((t.getType() &
             (AffineTransform.TYPE_UNIFORM_SCALE | AffineTransform.TYPE_TRANSLATION)) ==
             t.getType()
             ) {
         
         Point2D.Double start = new Point2D.Double(rect.x, rect.y);
         Point2D.Double end = new Point2D.Double(rect.x + rect.width, rect.y + rect.height);
         t.transform(start, start);
         t.transform(end, end);
         Rectangle r = new Rectangle(
                 (int) Math.min(start.x, end.x),
                 (int) Math.min(start.y, end.y),
                 (int) Math.abs(start.x - end.x),
                 (int) Math.abs(start.y - end.y)
                 );
         
         elem.setAttribute("shape", "rect");
         elem.setAttribute("coords",
                 r.x + ","+
                 r.y + ","+
                 (r.x + r.width) + ","+
                 (r.y + r.height)
                 );
         writeHrefAttribute(elem, f);
         return bounds.intersects(r);
     } else {
         return writePolyAttributes(elem, f, (Shape) rect);
     }
 }
Exemple #21
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    public int filterRGB(int x, int y, int rgb) {
      // Coefficients are from the sRGB color space:
      int gray =
          Math.min(
              255,
              (int)
                  (((0.2125f * ((rgb >> 16) & 0xFF))
                              + (0.7154f * ((rgb >> 8) & 0xFF))
                              + (0.0721f * (rgb & 0xFF))
                              + .5f)
                          * factor
                      + min));

      return (rgb & 0xff000000) | (gray << 16) | (gray << 8) | (gray << 0);
    }
Exemple #22
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  @Override
  public void paintIcon(Component c, Graphics g, int x, int y) {
    if (image == null) {
      image = new BufferedImage(getIconWidth(), getIconHeight(), BufferedImage.TYPE_INT_ARGB);
      double coef = Math.min((double) width / (double) 68, (double) height / (double) 81);

      Graphics2D g2d = image.createGraphics();
      g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
      g2d.scale(coef, coef);
      paint(g2d);
      g2d.dispose();
    }

    g.drawImage(image, x, y, null);
  }
Exemple #23
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  /** Recalculates the (x,y) point used to indicate the selected color. */
  private void regeneratePoint() {
    int size =
        Math.min(
            MAX_SIZE,
            Math.min(
                getWidth() - imagePadding.left - imagePadding.right,
                getHeight() - imagePadding.top - imagePadding.bottom));
    if (mode == ColorPicker.HUE || mode == ColorPicker.SAT || mode == ColorPicker.BRI) {
      if (mode == ColorPicker.HUE) {
        point = new Point((int) (sat * size), (int) (bri * size));
      } else if (mode == ColorPicker.SAT) {
        double theta = hue * 2 * Math.PI - Math.PI / 2;
        if (theta < 0) theta += 2 * Math.PI;

        double r = bri * size / 2;
        point =
            new Point(
                (int) (r * Math.cos(theta) + .5 + size / 2.0),
                (int) (r * Math.sin(theta) + .5 + size / 2.0));
      } else if (mode == ColorPicker.BRI) {
        double theta = hue * 2 * Math.PI - Math.PI / 2;
        if (theta < 0) theta += 2 * Math.PI;
        double r = sat * size / 2;
        point =
            new Point(
                (int) (r * Math.cos(theta) + .5 + size / 2.0),
                (int) (r * Math.sin(theta) + .5 + size / 2.0));
      }
    } else if (mode == ColorPicker.RED) {
      point = new Point((int) (green * size / 255f + .49f), (int) (blue * size / 255f + .49f));
    } else if (mode == ColorPicker.GREEN) {
      point = new Point((int) (red * size / 255f + .49f), (int) (blue * size / 255f + .49f));
    } else if (mode == ColorPicker.BLUE) {
      point = new Point((int) (red * size / 255f + .49f), (int) (green * size / 255f + .49f));
    }
  }
 private Path2D.Double makeStar(int r1, int r2, int vc) {
   int or = Math.max(r1, r2);
   int ir = Math.min(r1, r2);
   double agl = 0d;
   double add = 2 * Math.PI / (vc * 2);
   Path2D.Double p = new Path2D.Double();
   p.moveTo(or * 1, or * 0);
   for (int i = 0; i < vc * 2 - 1; i++) {
     agl += add;
     int r = i % 2 == 0 ? ir : or;
     p.lineTo(r * Math.cos(agl), r * Math.sin(agl));
   }
   p.closePath();
   AffineTransform at = AffineTransform.getRotateInstance(-Math.PI / 2, or, 0);
   return new Path2D.Double(p, at);
 }
 public void fitToWindow() {
   ImageWindow win = imp.getWindow();
   if (win == null) return;
   Rectangle bounds = win.getBounds();
   Insets insets = win.getInsets();
   int sliderHeight = (win instanceof StackWindow) ? 20 : 0;
   double xmag = (double) (bounds.width - 10) / srcRect.width;
   double ymag = (double) (bounds.height - (10 + insets.top + sliderHeight)) / srcRect.height;
   setMagnification(Math.min(xmag, ymag));
   int width = (int) (imageWidth * magnification);
   int height = (int) (imageHeight * magnification);
   if (width == dstWidth && height == dstHeight) return;
   srcRect = new Rectangle(0, 0, imageWidth, imageHeight);
   setDrawingSize(width, height);
   getParent().doLayout();
 }
Exemple #26
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  public synchronized void paint(Graphics gin) {
    Graphics2D g = (Graphics2D) gin;

    if (im == null) return;

    int height = getHeight();
    int width = getWidth();

    if (fit) {
      t = new AffineTransform();
      double scale = Math.min(((double) width) / im.getWidth(), ((double) height) / im.getHeight());
      // we'll re-center the transform in a moment.
      t.scale(scale, scale);
    }

    // if the image (in either X or Y) is smaller than the view port, then center
    // the image with respect to that axis.
    double mwidth = im.getWidth() * t.getScaleX();
    double mheight = im.getHeight() * t.getScaleY();
    if (mwidth < width)
      t.preConcatenate(
          AffineTransform.getTranslateInstance((width - mwidth) / 2.0 - t.getTranslateX(), 0));
    if (mheight < height)
      t.preConcatenate(
          AffineTransform.getTranslateInstance(0, (height - mheight) / 2.0 - t.getTranslateY()));

    // if we're allowing panning (because only a portion of the image is visible),
    // don't allow translations that show less information that is possible.
    Point2D topleft = t.transform(new Point2D.Double(0, 0), null);
    Point2D bottomright = t.transform(new Point2D.Double(im.getWidth(), im.getHeight()), null);

    if (mwidth > width) {
      if (topleft.getX() > 0)
        t.preConcatenate(AffineTransform.getTranslateInstance(-topleft.getX(), 0));
      if (bottomright.getX() < width)
        t.preConcatenate(AffineTransform.getTranslateInstance(width - bottomright.getX(), 0));
      //		    t.translate(width-bottomright.getX(), 0);
    }
    if (mheight > height) {
      if (topleft.getY() > 0)
        t.preConcatenate(AffineTransform.getTranslateInstance(0, -topleft.getY()));
      if (bottomright.getY() < height)
        t.preConcatenate(AffineTransform.getTranslateInstance(0, height - bottomright.getY()));
    }

    g.drawImage(im, t, null);
  }
  /*
   * (non-Javadoc)
   *
   * @see javax.swing.Icon#paintIcon(java.awt.Component, java.awt.Graphics,
   * int, int)
   */
  @Override
  public void paintIcon(Component c, Graphics g, int x, int y) {
    Graphics2D g2d = (Graphics2D) g.create();
    g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    g2d.translate(x, y);

    Area clip = new Area(new Rectangle(0, 0, this.width, this.height));
    if (g2d.getClip() != null) clip.intersect(new Area(g2d.getClip()));
    g2d.setClip(clip);

    double coef1 = (double) this.width / (double) getOrigWidth();
    double coef2 = (double) this.height / (double) getOrigHeight();
    double coef = Math.min(coef1, coef2);
    g2d.scale(coef, coef);
    paint(g2d);
    g2d.dispose();
  }
  @Override
  public void draw(Graphics2D g) {
    double opacity = get(OPACITY);
    opacity = Math.min(Math.max(0d, opacity), 1d);
    if (opacity != 0d) {
      if (opacity != 1d) {
        Rectangle2D.Double drawingArea = getDrawingArea();

        Rectangle2D clipBounds = g.getClipBounds();
        if (clipBounds != null) {
          Rectangle2D.intersect(drawingArea, clipBounds, drawingArea);
        }

        if (!drawingArea.isEmpty()) {

          BufferedImage buf =
              new BufferedImage(
                  (int) ((2 + drawingArea.width) * g.getTransform().getScaleX()),
                  (int) ((2 + drawingArea.height) * g.getTransform().getScaleY()),
                  BufferedImage.TYPE_INT_ARGB);
          Graphics2D gr = buf.createGraphics();
          gr.scale(g.getTransform().getScaleX(), g.getTransform().getScaleY());
          gr.translate((int) -drawingArea.x, (int) -drawingArea.y);
          gr.setRenderingHints(g.getRenderingHints());
          drawFigure(gr);
          gr.dispose();
          Composite savedComposite = g.getComposite();
          g.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, (float) opacity));
          g.drawImage(
              buf,
              (int) drawingArea.x,
              (int) drawingArea.y,
              2 + (int) drawingArea.width,
              2 + (int) drawingArea.height,
              null);
          g.setComposite(savedComposite);
        }
      } else {
        drawFigure(g);
      }
    }
  }
  private BufferedImage cropScaleGrayscale(Rectangle visibleRect, RenderedImage image) {
    int minX = image.getMinX();
    int minY = image.getMinY();
    int width = image.getWidth();
    int height = image.getHeight();

    Rectangle bounds = new Rectangle(minX, minY, width, height);

    visibleRect = bounds.intersection(visibleRect);

    if (bounds.contains(visibleRect)) {
      ParameterBlock pb = new ParameterBlock();
      pb.addSource(image);
      pb.add((float) visibleRect.x);
      pb.add((float) visibleRect.y);
      pb.add((float) visibleRect.width);
      pb.add((float) visibleRect.height);
      image = JAI.create("Crop", pb, JAIContext.noCacheHint);
    }
    Dimension previewSize = getSize();

    if ((visibleRect.width > previewSize.width) || (visibleRect.height > previewSize.height)) {
      float scale =
          Math.min(
              previewSize.width / (float) visibleRect.width,
              previewSize.height / (float) visibleRect.height);

      image = ConvolveDescriptor.create(image, Functions.getGaussKernel(.25 / scale), null);
      ParameterBlock pb = new ParameterBlock();
      pb.addSource(image);
      pb.add(scale);
      pb.add(scale);
      image = JAI.create("Scale", pb, JAIContext.noCacheHint);
    }
    image = Functions.toColorSpace(image, JAIContext.systemColorSpace, null);

    if (image.getSampleModel().getDataType() == DataBuffer.TYPE_USHORT) {
      image = Functions.fromUShortToByte(image, null);
    }
    return Functions.toFastBufferedImage(image);
  }
  /**
   * Paint the image onto a Graphics object. The painting is performed tile-by-tile, and includes a
   * grey region covering the unused portion of image tiles as well as the general background. At
   * this point the image must be byte data.
   */
  public synchronized void paintComponent(Graphics g) {

    Graphics2D g2D = null;
    if (g instanceof Graphics2D) {
      g2D = (Graphics2D) g;
    } else {
      return;
    }

    // if source is null, it's just a component
    if (source == null) {
      g2D.setColor(getBackground());
      g2D.fillRect(0, 0, componentWidth, componentHeight);
      return;
    }

    int transX = -originX;
    int transY = -originY;

    // Get the clipping rectangle and translate it into image coordinates.
    Rectangle clipBounds = g.getClipBounds();

    if (clipBounds == null) {
      clipBounds = new Rectangle(0, 0, componentWidth, componentHeight);
    }

    // clear the background (clip it) [minimal optimization here]
    if (transX > 0
        || transY > 0
        || transX < (componentWidth - source.getWidth())
        || transY < (componentHeight - source.getHeight())) {
      g2D.setColor(getBackground());
      g2D.fillRect(0, 0, componentWidth, componentHeight);
    }

    clipBounds.translate(-transX, -transY);

    // Determine the extent of the clipping region in tile coordinates.
    int txmin, txmax, tymin, tymax;
    int ti, tj;

    txmin = XtoTileX(clipBounds.x);
    txmin = Math.max(txmin, minTileX);
    txmin = Math.min(txmin, maxTileX);

    txmax = XtoTileX(clipBounds.x + clipBounds.width - 1);
    txmax = Math.max(txmax, minTileX);
    txmax = Math.min(txmax, maxTileX);

    tymin = YtoTileY(clipBounds.y);
    tymin = Math.max(tymin, minTileY);
    tymin = Math.min(tymin, maxTileY);

    tymax = YtoTileY(clipBounds.y + clipBounds.height - 1);
    tymax = Math.max(tymax, minTileY);
    tymax = Math.min(tymax, maxTileY);
    Insets insets = getInsets();

    // Loop over tiles within the clipping region
    for (tj = tymin; tj <= tymax; tj++) {
      for (ti = txmin; ti <= txmax; ti++) {
        int tx = TileXtoX(ti);
        int ty = TileYtoY(tj);

        Raster tile = source.getTile(ti, tj);
        if (tile != null) {
          DataBuffer dataBuffer = tile.getDataBuffer();

          WritableRaster wr = tile.createWritableRaster(sampleModel, dataBuffer, null);

          BufferedImage bi =
              new BufferedImage(colorModel, wr, colorModel.isAlphaPremultiplied(), null);

          // correctly handles band offsets
          if (brightnessEnabled == true) {
            SampleModel sm =
                sampleModel.createCompatibleSampleModel(tile.getWidth(), tile.getHeight());

            WritableRaster raster = RasterFactory.createWritableRaster(sm, null);

            BufferedImage bimg =
                new BufferedImage(colorModel, raster, colorModel.isAlphaPremultiplied(), null);

            // don't move this code
            ByteLookupTable lutTable = new ByteLookupTable(0, lutData);
            LookupOp lookup = new LookupOp(lutTable, null);
            lookup.filter(bi, bimg);

            g2D.drawImage(bimg, biop, tx + transX + insets.left, ty + transY + insets.top);
          } else {
            AffineTransform transform;

            transform =
                AffineTransform.getTranslateInstance(
                    tx + transX + insets.left, ty + transY + insets.top);

            g2D.drawRenderedImage(bi, transform);
          }
        }
      }
    }
  }