示例#1
0
 private long normalizeMax(long l) {
   int exp = (int) Math.log10((double) l);
   long multiple = (long) Math.pow(10.0, exp);
   int i = (int) (l / multiple);
   l = (i + 1) * multiple;
   return l;
 }
示例#2
0
  public void mouseClicked(MouseEvent e) {
    int x;
    int y;

    e.consume();

    if (mouseEventsEnabled) {

      x = Math.round(e.getX() / scale);
      y = Math.round(e.getY() / scale);

      // allow for the canvas margin
      y -= margin;

      // System.out.println("Mouse Click: (" + x + ", " + y + ")");

      if (e.getClickCount() < 2) {
        if (nativeSelectItem(x, y)) {
          parentFTAFrame.updateFrame();
        }
      } else {
        if (nativeSelectItem(x, y)) {
          parentFTAFrame.updateFrame();
        }

        editSelected();
        parentFTAFrame.updateFrame();
      }

      if (focusEventsEnabled) {
        // tell the main Canvas to point to this coordinate
        parentFTAFrame.setCanvasFocus(x, y);
      }
    }
  }
 public void nudge(int i) {
   x[i] += (double) rand.nextInt(1000) / 8756;
   y[i] += (double) rand.nextInt(1000) / 5432;
   int tmpScale = (int) (Math.abs(Math.sin(x[i])) * 10);
   scale[i] = (double) tmpScale / 10;
   int nudgeX = (int) (((double) getWidth() / 2) * .8);
   int nudgeY = (int) (((double) getHeight() / 2) * .60);
   xh[i] = (int) (Math.sin(x[i]) * nudgeX) + nudgeX;
   yh[i] = (int) (Math.sin(y[i]) * nudgeY) + nudgeY;
 }
示例#4
0
 public void animate(float[] pts, float[] deltas, int index, int limit) {
   float newpt = pts[index] + deltas[index];
   if (newpt <= 0) {
     newpt = -newpt;
     deltas[index] = (float) (Math.random() * 3.0 + 2.0);
   } else if (newpt >= (float) limit) {
     newpt = 2.0f * limit - newpt;
     deltas[index] = -(float) (Math.random() * 3.0 + 2.0);
   }
   pts[index] = newpt;
 }
示例#5
0
 public void start() {
   Dimension size = getSize();
   for (int i = 0; i < animpts.length; i += 2) {
     animpts[i + 0] = (float) (Math.random() * size.width);
     animpts[i + 1] = (float) (Math.random() * size.height);
     deltas[i + 0] = (float) (Math.random() * 4.0 + 2.0);
     deltas[i + 1] = (float) (Math.random() * 4.0 + 2.0);
     if (animpts[i + 0] > size.width / 6.0f) {
       deltas[i + 0] = -deltas[i + 0];
     }
     if (animpts[i + 1] > size.height / 6.0f) {
       deltas[i + 1] = -deltas[i + 1];
     }
   }
   anim = new Thread(this);
   anim.setPriority(Thread.MIN_PRIORITY);
   anim.start();
 }
示例#6
0
 public int getHeight() {
   float fHeight;
   int height;
   fHeight = scale * nativeGetMaxDepth();
   height = Math.round(fHeight) + (2 * margin);
   if (parentContainer == null) {
     return height;
   } else {
     return FTAUtilities.max(height, parentContainer.getHeight());
   }
 }
示例#7
0
 public int getWidth() {
   float fWidth;
   int width;
   fWidth = scale * nativeGetMaxWidth();
   width = Math.round(fWidth);
   if (parentContainer == null) {
     return width;
   } else {
     return FTAUtilities.max(width, parentContainer.getWidth());
   }
 }
示例#8
0
 /**
  * Returns the minimum amount of space the layout needs.
  *
  * @param parent the Container for which this layout manager is being used
  * @return a Dimension object containing the layout's minimum size
  */
 public Dimension minimumLayoutSize(Container parent) {
   Dimension rd, mbd;
   Insets i = getInsets();
   if (contentPane != null) {
     rd = contentPane.getMinimumSize();
   } else {
     rd = parent.getSize();
   }
   if (menuBar != null && menuBar.isVisible()) {
     mbd = menuBar.getMinimumSize();
   } else {
     mbd = new Dimension(0, 0);
   }
   return new Dimension(
       Math.max(rd.width, mbd.width) + i.left + i.right,
       rd.height + mbd.height + i.top + i.bottom);
 }
示例#9
0
 /**
  * Returns the maximum amount of space the layout can use.
  *
  * @param target the Container for which this layout manager is being used
  * @return a Dimension object containing the layout's maximum size
  */
 public Dimension maximumLayoutSize(Container target) {
   Dimension rd, mbd;
   Insets i = getInsets();
   if (menuBar != null && menuBar.isVisible()) {
     mbd = menuBar.getMaximumSize();
   } else {
     mbd = new Dimension(0, 0);
   }
   if (contentPane != null) {
     rd = contentPane.getMaximumSize();
   } else {
     // This is silly, but should stop an overflow error
     rd =
         new Dimension(Integer.MAX_VALUE, Integer.MAX_VALUE - i.top - i.bottom - mbd.height - 1);
   }
   return new Dimension(
       Math.min(rd.width, mbd.width) + i.left + i.right,
       rd.height + mbd.height + i.top + i.bottom);
 }
示例#10
0
  private static class Sequence {
    String key;
    String name;
    Color color;
    boolean isPlotted;
    Stroke transitionStroke = null;

    // Values are stored in an int[] if all values will fit,
    // otherwise in a long[]. An int can represent up to 2 GB.
    // Use a random start size, so all arrays won't need to
    // be grown during the same update interval
    Object values = new byte[ARRAY_SIZE_INCREMENT + (int) (Math.random() * 100)];

    // Number of stored values
    int size = 0;

    public Sequence(String key) {
      this.key = key;
    }

    /** Returns the value at index i */
    public long value(int i) {
      return Array.getLong(values, i);
    }

    public void add(long value) {
      // May need to switch to a larger array type
      if ((values instanceof byte[] || values instanceof short[] || values instanceof int[])
          && value > Integer.MAX_VALUE) {
        long[] la = new long[Array.getLength(values)];
        for (int i = 0; i < size; i++) {
          la[i] = Array.getLong(values, i);
        }
        values = la;
      } else if ((values instanceof byte[] || values instanceof short[])
          && value > Short.MAX_VALUE) {
        int[] ia = new int[Array.getLength(values)];
        for (int i = 0; i < size; i++) {
          ia[i] = Array.getInt(values, i);
        }
        values = ia;
      } else if (values instanceof byte[] && value > Byte.MAX_VALUE) {
        short[] sa = new short[Array.getLength(values)];
        for (int i = 0; i < size; i++) {
          sa[i] = Array.getShort(values, i);
        }
        values = sa;
      }

      // May need to extend the array size
      if (Array.getLength(values) == size) {
        values = extendArray(values);
      }

      // Store the value
      if (values instanceof long[]) {
        ((long[]) values)[size] = value;
      } else if (values instanceof int[]) {
        ((int[]) values)[size] = (int) value;
      } else if (values instanceof short[]) {
        ((short[]) values)[size] = (short) value;
      } else {
        ((byte[]) values)[size] = (byte) value;
      }
      size++;
    }
  }
示例#11
0
  @Override
  public void paintComponent(Graphics g) {
    super.paintComponent(g);

    int width = getWidth() - rightMargin - leftMargin - 10;
    int height = getHeight() - topMargin - bottomMargin;
    if (width <= 0 || height <= 0) {
      // not enough room to paint anything
      return;
    }

    Color oldColor = g.getColor();
    Font oldFont = g.getFont();
    Color fg = getForeground();
    Color bg = getBackground();
    boolean bgIsLight = (bg.getRed() > 200 && bg.getGreen() > 200 && bg.getBlue() > 200);

    ((Graphics2D) g)
        .setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);

    if (smallFont == null) {
      smallFont = oldFont.deriveFont(9.0F);
    }

    r.x = leftMargin - 5;
    r.y = topMargin - 8;
    r.width = getWidth() - leftMargin - rightMargin;
    r.height = getHeight() - topMargin - bottomMargin + 16;

    if (border == null) {
      // By setting colors here, we avoid recalculating them
      // over and over.
      border =
          new BevelBorder(
              BevelBorder.LOWERED,
              getBackground().brighter().brighter(),
              getBackground().brighter(),
              getBackground().darker().darker(),
              getBackground().darker());
    }

    border.paintBorder(this, g, r.x, r.y, r.width, r.height);

    // Fill background color
    g.setColor(bgColor);
    g.fillRect(r.x + 2, r.y + 2, r.width - 4, r.height - 4);
    g.setColor(oldColor);

    long tMin = Long.MAX_VALUE;
    long tMax = Long.MIN_VALUE;
    long vMin = Long.MAX_VALUE;
    long vMax = 1;

    int w = getWidth() - rightMargin - leftMargin - 10;
    int h = getHeight() - topMargin - bottomMargin;

    if (times.size > 1) {
      tMin = Math.min(tMin, times.time(0));
      tMax = Math.max(tMax, times.time(times.size - 1));
    }
    long viewRangeMS;
    if (viewRange > 0) {
      viewRangeMS = viewRange * MINUTE;
    } else {
      // Display full time range, but no less than a minute
      viewRangeMS = Math.max(tMax - tMin, 1 * MINUTE);
    }

    // Calculate min/max values
    for (Sequence seq : seqs) {
      if (seq.size > 0) {
        for (int i = 0; i < seq.size; i++) {
          if (seq.size == 1 || times.time(i) >= tMax - viewRangeMS) {
            long val = seq.value(i);
            if (val > Long.MIN_VALUE) {
              vMax = Math.max(vMax, val);
              vMin = Math.min(vMin, val);
            }
          }
        }
      } else {
        vMin = 0L;
      }
      if (unit == Unit.BYTES || !seq.isPlotted) {
        // We'll scale only to the first (main) value set.
        // TODO: Use a separate property for this.
        break;
      }
    }

    // Normalize scale
    vMax = normalizeMax(vMax);
    if (vMin > 0) {
      if (vMax / vMin > 4) {
        vMin = 0;
      } else {
        vMin = normalizeMin(vMin);
      }
    }

    g.setColor(fg);

    // Axes
    // Draw vertical axis
    int x = leftMargin - 18;
    int y = topMargin;
    FontMetrics fm = g.getFontMetrics();

    g.drawLine(x, y, x, y + h);

    int n = 5;
    if (("" + vMax).startsWith("2")) {
      n = 4;
    } else if (("" + vMax).startsWith("3")) {
      n = 6;
    } else if (("" + vMax).startsWith("4")) {
      n = 4;
    } else if (("" + vMax).startsWith("6")) {
      n = 6;
    } else if (("" + vMax).startsWith("7")) {
      n = 7;
    } else if (("" + vMax).startsWith("8")) {
      n = 8;
    } else if (("" + vMax).startsWith("9")) {
      n = 3;
    }

    // Ticks
    ArrayList<Long> tickValues = new ArrayList<Long>();
    tickValues.add(vMin);
    for (int i = 0; i < n; i++) {
      long v = i * vMax / n;
      if (v > vMin) {
        tickValues.add(v);
      }
    }
    tickValues.add(vMax);
    n = tickValues.size();

    String[] tickStrings = new String[n];
    for (int i = 0; i < n; i++) {
      long v = tickValues.get(i);
      tickStrings[i] = getSizeString(v, vMax);
    }

    // Trim trailing decimal zeroes.
    if (decimals > 0) {
      boolean trimLast = true;
      boolean removedDecimalPoint = false;
      do {
        for (String str : tickStrings) {
          if (!(str.endsWith("0") || str.endsWith("."))) {
            trimLast = false;
            break;
          }
        }
        if (trimLast) {
          if (tickStrings[0].endsWith(".")) {
            removedDecimalPoint = true;
          }
          for (int i = 0; i < n; i++) {
            String str = tickStrings[i];
            tickStrings[i] = str.substring(0, str.length() - 1);
          }
        }
      } while (trimLast && !removedDecimalPoint);
    }

    // Draw ticks
    int lastY = Integer.MAX_VALUE;
    for (int i = 0; i < n; i++) {
      long v = tickValues.get(i);
      y = topMargin + h - (int) (h * (v - vMin) / (vMax - vMin));
      g.drawLine(x - 2, y, x + 2, y);
      String s = tickStrings[i];
      if (unit == Unit.PERCENT) {
        s += "%";
      }
      int sx = x - 6 - fm.stringWidth(s);
      if (y < lastY - 13) {
        if (checkLeftMargin(sx)) {
          // Wait for next repaint
          return;
        }
        g.drawString(s, sx, y + 4);
      }
      // Draw horizontal grid line
      g.setColor(Color.lightGray);
      g.drawLine(r.x + 4, y, r.x + r.width - 4, y);
      g.setColor(fg);
      lastY = y;
    }

    // Draw horizontal axis
    x = leftMargin;
    y = topMargin + h + 15;
    g.drawLine(x, y, x + w, y);

    long t1 = tMax;
    if (t1 <= 0L) {
      // No data yet, so draw current time
      t1 = System.currentTimeMillis();
    }
    long tz = timeDF.getTimeZone().getOffset(t1);
    long tickInterval = calculateTickInterval(w, 40, viewRangeMS);
    if (tickInterval > 3 * HOUR) {
      tickInterval = calculateTickInterval(w, 80, viewRangeMS);
    }
    long t0 = tickInterval - (t1 - viewRangeMS + tz) % tickInterval;
    while (t0 < viewRangeMS) {
      x = leftMargin + (int) (w * t0 / viewRangeMS);
      g.drawLine(x, y - 2, x, y + 2);

      long t = t1 - viewRangeMS + t0;
      String str = formatClockTime(t);
      g.drawString(str, x, y + 16);
      // if (tickInterval > (1 * HOUR) && t % (1 * DAY) == 0) {
      if ((t + tz) % (1 * DAY) == 0) {
        str = formatDate(t);
        g.drawString(str, x, y + 27);
      }
      // Draw vertical grid line
      g.setColor(Color.lightGray);
      g.drawLine(x, topMargin, x, topMargin + h);
      g.setColor(fg);
      t0 += tickInterval;
    }

    // Plot values
    int start = 0;
    int nValues = 0;
    int nLists = seqs.size();
    if (nLists > 0) {
      nValues = seqs.get(0).size;
    }
    if (nValues == 0) {
      g.setColor(oldColor);
      return;
    } else {
      Sequence seq = seqs.get(0);
      // Find starting point
      for (int p = 0; p < seq.size; p++) {
        if (times.time(p) >= tMax - viewRangeMS) {
          start = p;
          break;
        }
      }
    }

    // Optimization: collapse plot of more than four values per pixel
    int pointsPerPixel = (nValues - start) / w;
    if (pointsPerPixel < 4) {
      pointsPerPixel = 1;
    }

    // Draw graphs
    // Loop backwards over sequences because the first needs to be painted on top
    for (int i = nLists - 1; i >= 0; i--) {
      int x0 = leftMargin;
      int y0 = topMargin + h + 1;

      Sequence seq = seqs.get(i);
      if (seq.isPlotted && seq.size > 0) {
        // Paint twice, with white and with color
        for (int pass = 0; pass < 2; pass++) {
          g.setColor((pass == 0) ? Color.white : seq.color);
          int x1 = -1;
          long v1 = -1;
          for (int p = start; p < nValues; p += pointsPerPixel) {
            // Make sure we get the last value
            if (pointsPerPixel > 1 && p >= nValues - pointsPerPixel) {
              p = nValues - 1;
            }
            int x2 = (int) (w * (times.time(p) - (t1 - viewRangeMS)) / viewRangeMS);
            long v2 = seq.value(p);
            if (v2 >= vMin && v2 <= vMax) {
              int y2 = (int) (h * (v2 - vMin) / (vMax - vMin));
              if (x1 >= 0 && v1 >= vMin && v1 <= vMax) {
                int y1 = (int) (h * (v1 - vMin) / (vMax - vMin));

                if (y1 == y2) {
                  // fillrect is much faster
                  g.fillRect(x0 + x1, y0 - y1 - pass, x2 - x1, 1);
                } else {
                  Graphics2D g2d = (Graphics2D) g;
                  Stroke oldStroke = null;
                  if (seq.transitionStroke != null) {
                    oldStroke = g2d.getStroke();
                    g2d.setStroke(seq.transitionStroke);
                  }
                  g.drawLine(x0 + x1, y0 - y1 - pass, x0 + x2, y0 - y2 - pass);
                  if (oldStroke != null) {
                    g2d.setStroke(oldStroke);
                  }
                }
              }
            }
            x1 = x2;
            v1 = v2;
          }
        }

        // Current value
        long v = seq.value(seq.size - 1);
        if (v >= vMin && v <= vMax) {
          if (bgIsLight) {
            g.setColor(seq.color);
          } else {
            g.setColor(fg);
          }
          x = r.x + r.width + 2;
          y = topMargin + h - (int) (h * (v - vMin) / (vMax - vMin));
          // a small triangle/arrow
          g.fillPolygon(new int[] {x + 2, x + 6, x + 6}, new int[] {y, y + 3, y - 3}, 3);
        }
        g.setColor(fg);
      }
    }

    int[] valueStringSlots = new int[nLists];
    for (int i = 0; i < nLists; i++) valueStringSlots[i] = -1;
    for (int i = 0; i < nLists; i++) {
      Sequence seq = seqs.get(i);
      if (seq.isPlotted && seq.size > 0) {
        // Draw current value

        // TODO: collapse values if pointsPerPixel >= 4

        long v = seq.value(seq.size - 1);
        if (v >= vMin && v <= vMax) {
          x = r.x + r.width + 2;
          y = topMargin + h - (int) (h * (v - vMin) / (vMax - vMin));
          int y2 = getValueStringSlot(valueStringSlots, y, 2 * 10, i);
          g.setFont(smallFont);
          if (bgIsLight) {
            g.setColor(seq.color);
          } else {
            g.setColor(fg);
          }
          String curValue = getFormattedValue(v, true);
          if (unit == Unit.PERCENT) {
            curValue += "%";
          }
          int valWidth = fm.stringWidth(curValue);
          String legend = (displayLegend ? seq.name : "");
          int legendWidth = fm.stringWidth(legend);
          if (checkRightMargin(valWidth) || checkRightMargin(legendWidth)) {
            // Wait for next repaint
            return;
          }
          g.drawString(legend, x + 17, Math.min(topMargin + h, y2 + 3 - 10));
          g.drawString(curValue, x + 17, Math.min(topMargin + h + 10, y2 + 3));

          // Maybe draw a short line to value
          if (y2 > y + 3) {
            g.drawLine(x + 9, y + 2, x + 14, y2);
          } else if (y2 < y - 3) {
            g.drawLine(x + 9, y - 2, x + 14, y2);
          }
        }
        g.setFont(oldFont);
        g.setColor(fg);
      }
    }
    g.setColor(oldColor);
  }
示例#12
0
 public void setDecimals(int decimals) {
   this.decimals = decimals;
   this.decimalsMultiplier = Math.pow(10.0, decimals);
 }