// Many of the following methods have been added purely
 // so InternalFunctions can work.  Originally, the code in
 // that class was inline here, so its functions had direct
 // access.  I removed it so that students do not need to wade
 // through all the functions!  But, that leaves the question as
 // to what to do with the following methods, but I don't think
 // there's much you can do ...
 public void changeSize(int width, int height) {
   setSize(width, height);
   Component top = splitPane.getTopComponent();
   Component bottom = splitPane.getBottomComponent();
   int totalHeight = top.getHeight() + bottom.getHeight();
   int topHeight = (totalHeight * topProportion) / 100;
   int bottomHeight = (totalHeight * bottomProportion) / 100;
   top.setPreferredSize(new Dimension(width - 10, topHeight));
   bottom.setPreferredSize(new Dimension(width - 10, bottomHeight));
   splitPane.resetToPreferredSizes();
   pack();
 }
  private static Pair<Image, Point> createDragImage(
      final Tree tree, final Component c, Point dragOrigin, boolean adjustToPathUnderDragOrigin) {
    if (c instanceof JComponent) {
      ((JComponent) c).setOpaque(true);
    }

    c.setForeground(tree.getForeground());
    c.setBackground(tree.getBackground());
    c.setFont(tree.getFont());
    c.setSize(c.getPreferredSize());
    final BufferedImage image =
        new BufferedImage(c.getWidth(), c.getHeight(), BufferedImage.TYPE_INT_ARGB);
    Graphics2D g2 = (Graphics2D) image.getGraphics();
    g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.7f));
    c.paint(g2);
    g2.dispose();

    Point point = new Point(-image.getWidth(null) / 2, -image.getHeight(null) / 2);

    if (adjustToPathUnderDragOrigin) {
      TreePath path = tree.getPathForLocation(dragOrigin.x, dragOrigin.y);
      if (path != null) {
        Rectangle bounds = tree.getPathBounds(path);
        point = new Point(bounds.x - dragOrigin.x, bounds.y - dragOrigin.y);
      }
    }

    return new Pair<Image, Point>(image, point);
  }
 public void componentMoved(ComponentEvent evt) {
   Component component = evt.getComponent();
   Point point = component.getLocation();
   if (point.y < 0) {
     component.setBounds(point.x, 0, component.getWidth(), component.getHeight());
   }
 }
 public synchronized void paintIcon(Component c, Graphics g, int x, int y) {
   g.setColor(Color.white);
   g.fillRect(0, 0, c.getWidth(), c.getHeight());
   if (getImageObserver() == null) {
     g.drawImage(
         getImage(),
         c.getWidth() / 2 - getIconWidth() / 2,
         c.getHeight() / 2 - getIconHeight() / 2,
         c);
   } else {
     g.drawImage(
         getImage(),
         c.getWidth() / 2 - getIconWidth() / 2,
         c.getHeight() / 2 - getIconHeight() / 2,
         getImageObserver());
   }
 }
Exemple #5
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  /**
   * Centers the given component in relation to its owner.
   *
   * @param component the component to center
   * @param owner the parent frame
   */
  public static void centerComponent(Component component, Component owner) {
    // find the difference in width to see the offsets
    int widthDifference = owner.getWidth() - component.getWidth();
    int heightDifference = owner.getHeight() - component.getHeight();

    // we can divide the differences by 2 and add that to the owner's top left
    // and then make that the top left of the component
    // to center the frame
    int leftOffset = widthDifference / 2;
    int topOffset = heightDifference / 2;

    // these are the new locations
    int left = owner.getX() + leftOffset;
    int top = owner.getY() + topOffset;

    Utils.changeFrameLocation(component, left, top);
  }
 public int getScrollableUnitIncrement(Rectangle visibleRect, int orientation, int direction) {
   if (getComponentCount() > 0) {
     Component c = getComponent(0);
     if (orientation == SwingConstants.HORIZONTAL) return c.getWidth();
     else return c.getHeight();
   }
   return 50;
 }
 public void show(Component invoker, int x, int y) {
   if (invoker != null) {
     y += invoker.getHeight(); // add the height of the invoker to
     // locate the popup at the bottom of
     // this invoker
   }
   super.show(invoker, x, y);
 }
Exemple #8
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  @Override
  public void paintBorder(Component c, Graphics g, int x, int y, int width, int height) {
    final Graphics2D g2d = (Graphics2D) g;
    final Insets ins = getBorderInsets(c);
    final int yOff = (ins.top + ins.bottom) / 4;
    final boolean square = DarculaButtonUI.isSquare(c);
    int offset = square ? 1 : getOffset();
    if (c.hasFocus()) {
      if (DarculaButtonUI.isHelpButton((JComponent) c)) {
        int w = c.getWidth();
        int h = c.getHeight();
        DarculaUIUtil.paintFocusOval(g2d, (w - 22) / 2, (h - 22) / 2, 22, 22);
      } else {
        DarculaUIUtil.paintFocusRing(g2d, offset, yOff, width - 2 * offset, height - 2 * yOff);
      }
    } else {
      final GraphicsConfig config = new GraphicsConfig(g);
      g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
      g2d.setRenderingHint(RenderingHints.KEY_STROKE_CONTROL, RenderingHints.VALUE_STROKE_DEFAULT);
      g2d.setPaint(
          UIUtil.getGradientPaint(
              width / 2,
              y + yOff + 1,
              Gray._80.withAlpha(90),
              width / 2,
              height - 2 * yOff,
              Gray._90.withAlpha(90)));
      // g.drawRoundRect(x + offset + 1, y + yOff + 1, width - 2 * offset, height - 2*yOff, 5, 5);
      ((Graphics2D) g).setPaint(Gray._100.withAlpha(180));
      if (DarculaButtonUI.isHelpButton((JComponent) c)) {
        int w = c.getWidth();
        int h = c.getHeight();
        g.drawOval((w - 22) / 2, (h - 22) / 2, 22, 22);
      } else {
        g.drawRoundRect(
            x + offset,
            y + yOff,
            width - 2 * offset,
            height - 2 * yOff,
            square ? 3 : 5,
            square ? 3 : 5);
      }

      config.restore();
    }
  }
  /** {@inheritDoc} */
  @Override
  public void mouseDragged(final MouseEvent aEvent) {
    final MouseEvent event = convertEvent(aEvent);
    final Point point = event.getPoint();

    // Update the selected channel while dragging...
    this.controller.setSelectedChannel(point);

    if (getModel().isCursorMode() && (this.movingCursor >= 0)) {
      this.controller.moveCursor(this.movingCursor, getCursorDropPoint(point));

      aEvent.consume();
    } else {
      if ((this.lastClickPosition == null)
          && ((aEvent.getModifiersEx() & InputEvent.BUTTON1_DOWN_MASK) != 0)) {
        this.lastClickPosition = new Point(point);
      }

      final JScrollPane scrollPane =
          getAncestorOfClass(JScrollPane.class, (Component) aEvent.getSource());
      if ((scrollPane != null) && (this.lastClickPosition != null)) {
        final JViewport viewPort = scrollPane.getViewport();
        final Component signalView = this.controller.getSignalDiagram().getSignalView();

        boolean horizontalOnly = (aEvent.getModifiersEx() & InputEvent.ALT_DOWN_MASK) != 0;
        boolean verticalOnly =
            horizontalOnly && ((aEvent.getModifiersEx() & InputEvent.SHIFT_DOWN_MASK) != 0);

        int dx = aEvent.getX() - this.lastClickPosition.x;
        int dy = aEvent.getY() - this.lastClickPosition.y;

        Point scrollPosition = viewPort.getViewPosition();
        int newX = scrollPosition.x;
        if (!verticalOnly) {
          newX -= dx;
        }
        int newY = scrollPosition.y;
        if (verticalOnly || !horizontalOnly) {
          newY -= dy;
        }

        int diagramWidth = signalView.getWidth();
        int viewportWidth = viewPort.getWidth();
        int maxX = diagramWidth - viewportWidth - 1;
        scrollPosition.x = Math.max(0, Math.min(maxX, newX));

        int diagramHeight = signalView.getHeight();
        int viewportHeight = viewPort.getHeight();
        int maxY = diagramHeight - viewportHeight;
        scrollPosition.y = Math.max(0, Math.min(maxY, newY));

        viewPort.setViewPosition(scrollPosition);
      }

      // Use UNCONVERTED/ORIGINAL mouse event!
      handleZoomRegion(aEvent, this.lastClickPosition);
    }
  }
    public void paintIcon(Component c, Graphics g, int x, int y) {
      Color oldColor = g.getColor();
      boolean enabled = c.isEnabled();
      boolean pressed = false;
      if (c instanceof JButton) {
        pressed = ((JButton) c).getModel().isPressed();
      }

      int i = 0;
      int j = 0;
      int w = Math.min(width, c.getWidth());
      int h = c.getHeight();
      if (h < 5 || w < 5) { // not enough space for the arrow
        g.setColor(oldColor);
        return;
      }

      int size = Math.min(h / 2, w / 2);
      size = Math.max(size, 2);
      int mid = size / 2;

      x = ((w - size) / 2); // center arrow
      y = (h - size) / 2; // center arrow
      if (pressed) {
        x++;
        y++;
      }
      g.translate(x, y); // move the x,y origin in the graphic

      if (enabled) g.setColor(UIManager.getColor("controlDkShadow")); // NOT
      // LOCALIZABLE
      else g.setColor(UIManager.getColor("controlShadow")); // NOT
      // LOCALIZABLE

      if (!enabled) {
        g.translate(1, 1);
        g.setColor(UIManager.getColor("controlLtHighlight")); // NOT
        // LOCALIZABLE
        for (i = size - 1; i >= 0; i--) {
          g.drawLine(mid - i, j, mid + i, j);
          j++;
        }
        g.translate(-1, -1);
        g.setColor(UIManager.getColor("controlShadow")); // NOT
        // LOCALIZABLE
      }

      j = 0;
      for (i = size - 1; i >= 0; i--) {
        g.drawLine(mid - i, j, mid + i, j);
        j++;
      }

      g.translate(-x, -y);
      g.setColor(oldColor);
    }
Exemple #11
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 /**
  * Extracts the buffered image of some component
  *
  * @param myComponent the component for which the BufferedImage is required
  * @param region region to be captured
  * @return the BufferedImage which has the current condition of component
  * @throws IOException
  */
 public static BufferedImage Get_Component_Image(Component myComponent, Rectangle region)
     throws IOException {
   BufferedImage img =
       new BufferedImage(
           myComponent.getWidth(), myComponent.getHeight(), BufferedImage.TYPE_INT_RGB);
   Graphics g = img.getGraphics();
   myComponent.paint(g);
   g.dispose();
   return img;
 }
Exemple #12
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 public void paint(Graphics g) {
   if (comp != null) {
     width = comp.getWidth() / 6;
     height = comp.getHeight() * 2 / 3;
   }
   g.setColor(bgColor);
   g.fillRect(x, y, width, height);
   g.setColor(fgColor);
   g.setFont(font);
   g.drawString(strTray, x / 2 + width / 2, y + height + 10);
   super.paint(g);
 }
Exemple #13
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 public void paintBorder(Component c, Graphics g, int x, int y, int width, int height) {
   if (image != null && showimage) {
     // TODO: add ability to scale maintaining aspect ratio fitting to size of parent
     // TODO: Need to add not zoom all the way, but zoom to a box of aspect ratio 4/3
     Graphics2D g2 = (Graphics2D) g;
     AffineTransform tran = new AffineTransform(1f, 0f, 0f, 1f, 0, 0);
     float widthscale = (float) c.getWidth() / image.getWidth();
     float heightscale = (float) c.getHeight() / image.getHeight();
     switch (drawmode) {
       case DRAW_MODE_ASPECT:
         float scale;
         if (widthscale < heightscale) {
           scale = widthscale;
         } else {
           scale = heightscale;
         }
         tran.scale(scale, scale);
         g2.drawImage(
             image,
             new AffineTransformOp(tran, AffineTransformOp.TYPE_BILINEAR),
             (int) (c.getWidth() - image.getWidth() * scale) / 2,
             (int) (c.getHeight() - image.getHeight() * scale) / 2);
         break;
       case DRAW_MODE_WIDTH:
         tran.scale(widthscale, widthscale);
         g2.drawImage(image, tran, null);
         break;
       case DRAW_MODE_HEIGHT:
         tran.scale(heightscale, heightscale);
         g2.drawImage(image, tran, null);
         break;
       default:
         tran.scale(widthscale, heightscale);
         g2.drawImage(image, tran, null);
         break;
     }
   }
 }
 public static BufferedImage componentToImage(Component component, Rectangle region) {
   BufferedImage img =
       new BufferedImage(
           component.getWidth(), component.getHeight(), BufferedImage.TYPE_INT_ARGB_PRE);
   Graphics g = img.getGraphics();
   g.setColor(component.getForeground());
   g.setFont(component.getFont());
   component.paintAll(g);
   g.dispose();
   if (region == null) {
     return img;
   }
   return img.getSubimage(region.x, region.y, region.width, region.height);
 }
Exemple #15
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  /**
   * Centers the given component on the user's screen.
   *
   * @param component a component (usually a frame.)
   */
  public static void centerOnScreen(Component component) {
    Toolkit toolkit = java.awt.Toolkit.getDefaultToolkit();
    Dimension screenSize = toolkit.getScreenSize();
    int screenWidth = (int) screenSize.getWidth();
    int screenHeight = (int) screenSize.getHeight();

    int componentWidth = component.getWidth();
    int componentHeight = component.getHeight();

    int top = (screenHeight - componentHeight) / 2;
    int left = (screenWidth - componentWidth) / 2;

    Utils.changeFrameLocation(component, left, top);
  }
  public static final Component getChildAtLine(
      Container container, Point point, boolean horizontal) {
    if (horizontal) {
      for (int i = 0; i < container.getComponentCount(); i++) {
        Component component = container.getComponent(i);
        if (point.x >= component.getX() && point.x < component.getX() + component.getWidth())
          return component;
      }
    } else {
      for (int i = 0; i < container.getComponentCount(); i++) {
        Component component = container.getComponent(i);
        if (point.y >= component.getY() && point.y < component.getY() + component.getHeight())
          return component;
      }
    }

    return null;
  }
 public static void fillComponent(Graphics g, Component c, Icon texture) {
   int x = 0;
   int y = 0;
   int w = c.getWidth();
   int h = c.getHeight();
   if (texture != null) {
     int tw = texture.getIconWidth();
     int th = texture.getIconHeight();
     Point p = JTattooUtilities.getRelLocation(c);
     y = -p.y;
     while (y < h) {
       x = -p.x;
       while (x < w) {
         texture.paintIcon(c, g, x, y);
         x += tw;
       }
       y += th;
     }
   } else {
     g.setColor(c.getBackground());
     g.fillRect(x, y, w, h);
   }
 }
Exemple #18
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 static void fillRect(final Graphics g, final Component c) {
   fillRect(g, c, c.getBackground(), 0, 0, c.getWidth(), c.getHeight());
 }
 public static void paintInCenterOf(@NotNull Component c, Graphics g, Icon icon) {
   final int x = (c.getWidth() - icon.getIconWidth()) / 2;
   final int y = (c.getHeight() - icon.getIconHeight()) / 2;
   icon.paintIcon(c, g, x, y);
 }
 public void showUnderneathOf(@NotNull Component aComponent) {
   show(new RelativePoint(aComponent, new Point(0, aComponent.getHeight())));
 }
  private ArrayList<SoundSample> getSampleAsArrayList(Selection selection, Component c) {
    ArrayList<SoundSample> points = new ArrayList<SoundSample>();

    // System.err.println(c.getHeight());
    int sampleBeginIndex = selection.getBegin();
    int sampleEndIndex = selection.getEnd();

    if (!checkRange(sampleBeginIndex, sampleEndIndex)) {
      System.err.println(
          "The range of sample ("
              + sampleBeginIndex
              + " , "
              + sampleEndIndex
              + ") you are trying to visualize is invalid");
    } else {
      int selectionLength = sampleEndIndex - sampleBeginIndex + 1;
      float maxValue = myHelper.getMaxSampleValue();
      samplePerPixel = selectionLength * 1.0 / frameWidth;
      if (DEBUG) System.err.println("getSamples: sample per pixel " + samplePerPixel);

      if (selectionLength
          < frameWidth) { // if every sample can be displayed (i.e at least 1 pixel per sample)
        if (DEBUG) System.err.println("getSamples: Everything can be displayed " + selectionLength);
        int ratio = (int) Math.floor(frameWidth / selectionLength);
        if (DEBUG) System.err.println("getSamples: ratio " + ratio);
        int occupyPixels = ratio * selectionLength;
        selectionLength =
            selectionLength
                + (frameWidth - occupyPixels)
                    / ratio; // fill up the display space with a few more samples

        if (DEBUG) System.err.println("getSamples: selection length " + selectionLength);

        if (selectionLength + sampleBeginIndex - 1 > data.size()) {
          selectionLength -= selectionLength + sampleBeginIndex - 1 - data.size();
        }
        if (DEBUG) System.err.println("getSamples: Final selection length " + selectionLength);
        for (int i = 0; i < selectionLength; i++) {
          float sampleValue = data.get(sampleBeginIndex + i - 1);
          float y = ((float) Math.floor(c.getHeight() / 2) * (1 - sampleValue / maxValue));
          points.add(
              new SoundSample(new Point2D.Float(i * ratio, y), sampleValue, sampleBeginIndex + i));
        }
      } else if (selectionLength / 2 < frameWidth) { // we can sample at Nyquist rate
        // System.err.println("Sample begin " + sampleBeginIndex );

        int start = sampleBeginIndex;
        for (int pixel = 0; pixel < frameWidth; pixel++) {
          // System.err.println("Sample index " + (start+ samplePerPixel * pixel) );

          int sampleValue = data.get((int) Math.floor(start + samplePerPixel * pixel));
          // int sampleValue = findMax(start, end);
          float y =
              ((float) Math.floor(c.getHeight() / 2)
                  - (sampleValue * ((float) Math.floor(c.getHeight() / 2) / maxValue)));
          points.add(new SoundSample(new Point2D.Float(pixel, y), sampleValue, pixel));
        }
      } else { // show general contour
        int start = sampleBeginIndex;
        int end = (int) (sampleBeginIndex + this.samplePerPixel);
        int baseLine = c.getHeight() / 2;
        for (int pixel = 0; pixel < frameWidth; pixel++) {
          ArrayList<Integer> minMax = findMinMax(start, end);
          // System.err.println(minMax);
          float y = baseLine - (minMax.get(0) * 0.9f / maxValue * baseLine);
          points.add(new SoundSample(new Point2D.Float(pixel, y), minMax.get(0), pixel));

          y = baseLine - (minMax.get(0) * 0.7f / maxValue * baseLine);
          points.add(new SoundSample(new Point2D.Float(pixel, y), minMax.get(0) / 2, pixel));

          // System.err.print("Min y: " + y + " ");

          y = baseLine - (minMax.get(1) * 0.9f / maxValue * baseLine);
          points.add(new SoundSample(new Point2D.Float(pixel, y), minMax.get(1) / 2, pixel));
          y = baseLine - (minMax.get(1) * 0.7f / maxValue * baseLine);
          points.add(new SoundSample(new Point2D.Float(pixel, y), minMax.get(1), pixel));

          //					if (y > c.getHeight())
          //						System.err.println("not right");
          start = end + 1;
          end = (int) (end + samplePerPixel);
        }
      }
    }
    return points;
  }
Exemple #22
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  /*@Override*/ public void paintIcon(Component c, Graphics g, int x, int y) {
    final boolean expandToFit = (mWidth < 1);

    if (DEBUG.IMAGE && DEBUG.META)
      out(
          "paintIcon; onto="
              + GUI.name(c)
              + " painter="
              + GUI.name(mPainter)
              + "@"
              + Integer.toHexString((mPainter.hashCode())));

    if (mPainter == null) {
      // note this means repaint updates would stop in a new parent,
      // tho assuming it's loaded by then, regular paints would work fine.
      mPainter = c;
    }

    if (DrawBorder && !expandToFit) {
      g.setColor(Color.gray);
      g.drawRect(x, y, mWidth - 1, mHeight - 1);
    }

    if (mImage == null) {

      if (!isLoading /*&& mPreviewData != null*/) {
        synchronized (this) {
          if (!isLoading /*&& mPreviewData != null*/)
            VUE.invokeAfterAWT(ResourceIcon.this); // load the preview
        }
      }
      g.setColor(Color.gray);
      g.drawRect(x, y, mWidth - 1, mHeight - 1);
      return;
    }

    int fitWidth, fitHeight;
    final Dimension maxImageSize;

    if (expandToFit) {
      // fill the given component
      fitWidth = c.getWidth();
      fitHeight = c.getHeight();
      maxImageSize = c.getSize();
    } else {
      // paint at our fixed size
      fitWidth = mWidth;
      fitHeight = mHeight;

      if (DrawBorder)
        maxImageSize = new Dimension(fitWidth - BorderSpace * 2, fitHeight - BorderSpace * 2);
      else maxImageSize = new Dimension(fitWidth, fitHeight);

      if (DEBUG.IMAGE && DEBUG.META) out("paintIcon; into " + GUI.name(maxImageSize));
    }

    double zoomFit;
    if (mImage == NoImage && expandToFit) {
      zoomFit = 1;
    } else {
      Rectangle2D imageBounds;
      if (CropToSquare) {
        // square off image, then fit in icon (todo: better; crop to icon)
        int smallestAxis = mImageWidth > mImageHeight ? mImageHeight : mImageWidth;
        imageBounds = new Rectangle2D.Float(0, 0, smallestAxis, smallestAxis);
      } else {
        // fit entire image in icon
        imageBounds = new Rectangle2D.Float(0, 0, mImageWidth, mImageHeight);
      }
      zoomFit = ZoomTool.computeZoomFit(maxImageSize, 0, imageBounds, null, false);
      if (zoomFit > MaxZoom) zoomFit = MaxZoom;
    }

    final int drawW = (int) (mImageWidth * zoomFit + 0.5);
    final int drawH = (int) (mImageHeight * zoomFit + 0.5);

    int xoff = x;
    int yoff = y;

    // center if drawable area is bigger than image
    if (drawW != fitWidth) xoff += (fitWidth - drawW) / 2;
    if (drawH != fitHeight) yoff += (fitHeight - drawH) / 2;

    Shape oldClip = null;
    if (CropToSquare && !expandToFit) {
      oldClip = g.getClip();
      g.clipRect(x, y, mWidth, mHeight);
    }

    if (DEBUG.IMAGE && DEBUG.META)
      out("paintIcon; " + Util.tag(mImage) + " as " + drawW + "x" + drawH);
    g.drawImage(mImage, xoff, yoff, drawW, drawH, null);

    if (DEBUG.BOXES) {
      g.setColor(Color.green);
      ((Graphics2D) g)
          .setComposite(
              java.awt.AlphaComposite.getInstance(java.awt.AlphaComposite.SRC_OVER, 0.2f));
      g.drawRect(x, y, mWidth - 1, mHeight - 1);
      ((Graphics2D) g).setComposite(java.awt.AlphaComposite.SrcOver);
    }

    if (CropToSquare && !expandToFit) g.setClip(oldClip);
  }