示例#1
0
  /**
   * Query the font width used in calculating line indenting.
   *
   * @return fontWidth to use to calculate line indenting.
   */
  public int getFontWidth() {
    int retval = fontWidth;

    if (fontWidth < 0) {
      final FontMetrics fontMetrics = getFontMetrics(getFont());
      retval = fontMetrics.stringWidth("_");
      setFontWidth(retval);
    }

    return retval;
  }
示例#2
0
  /**
   * Query the font height used in calculating line spacing.
   *
   * @return fontHeight to use to calculate line spacing.
   */
  public int getFontHeight() {
    int retval = fontHeight;

    if (retval < 0) {
      final FontMetrics fontMetrics = getFontMetrics(getFont());
      retval = fontMetrics.getHeight();
      setFontHeight(retval);
    }

    return retval;
  }
示例#3
0
  /** {@inheritDoc} */
  @Override
  public int getBaseline(JComponent c, int width, int height) {
    if (c == null) {
      throw new NullPointerException("Component must be non-null");
    }
    if (width < 0 || height < 0) {
      throw new IllegalArgumentException("Width and height must be >= 0");
    }
    AbstractButton b = (AbstractButton) c;
    String text = b.getText();
    if (text == null || "".equals(text)) {
      return -1;
    }
    Insets i = b.getInsets();
    Rectangle viewRect = new Rectangle();
    Rectangle textRect = new Rectangle();
    Rectangle iconRect = new Rectangle();
    viewRect.x = i.left;
    viewRect.y = i.top;
    viewRect.width = width - (i.right + viewRect.x);
    viewRect.height = height - (i.bottom + viewRect.y);

    // layout the text and icon
    SynthContext context = getContext(b);
    FontMetrics fm = context.getComponent().getFontMetrics(context.getStyle().getFont(context));
    context
        .getStyle()
        .getGraphicsUtils(context)
        .layoutText(
            context,
            fm,
            b.getText(),
            b.getIcon(),
            b.getHorizontalAlignment(),
            b.getVerticalAlignment(),
            b.getHorizontalTextPosition(),
            b.getVerticalTextPosition(),
            viewRect,
            iconRect,
            textRect,
            b.getIconTextGap());
    View view = (View) b.getClientProperty(BasicHTML.propertyKey);
    int baseline;
    if (view != null) {
      baseline = BasicHTML.getHTMLBaseline(view, textRect.width, textRect.height);
      if (baseline >= 0) {
        baseline += textRect.y;
      }
    } else {
      baseline = textRect.y + fm.getAscent();
    }
    return baseline;
  }
示例#4
0
 private void measure() {
   FontMetrics fontmetrics = getFontMetrics(getFont());
   if (fontmetrics == null) return;
   line_height = fontmetrics.getHeight();
   line_ascent = fontmetrics.getAscent();
   max_width = 0;
   for (int i = 0; i < num_lines; i++) {
     line_widths[i] = fontmetrics.stringWidth(lines[i]);
     if (line_widths[i] > max_width) max_width = line_widths[i];
   }
   max_width += 2 * btnMarginWidth;
   max_height = num_lines * line_height + 2 * btnMarginHeight;
 }
示例#5
0
  protected void paintText(Graphics g, JComponent c, Rectangle textRect, String text) {
    AbstractButton b = (AbstractButton) c;
    ButtonModel model = b.getModel();
    FontMetrics fm = SwingUtilities2.getFontMetrics(c, g);
    int mnemIndex = b.getDisplayedMnemonicIndex();

    /* Draw the Text */
    if (model.isEnabled()) {
      /** * paint the text normally */
      g.setColor(b.getForeground());
    } else {
      /** * paint the text disabled ** */
      g.setColor(getDisabledTextColor());
    }
    SwingUtilities2.drawStringUnderlineCharAt(
        c, g, text, mnemIndex, textRect.x, textRect.y + fm.getAscent());
  }
示例#6
0
  /*
   *  Determine the Y offset for the current row
   */
  private int getOffsetY(int rowStartOffset, FontMetrics fontMetrics) throws BadLocationException {
    //  Get the bounding rectangle of the row

    Rectangle r = component.modelToView(rowStartOffset);
    int lineHeight = fontMetrics.getHeight();
    int y = r.y + r.height;
    int descent = 0;

    //  The text needs to be positioned above the bottom of the bounding
    //  rectangle based on the descent of the font(s) contained on the row.
    if (r.height == lineHeight) {
      // default font is being used
      descent = fontMetrics.getDescent();
    } else {
      // We need to check all the attributes for font changes
      if (fonts == null) {
        fonts = new HashMap<String, FontMetrics>();
      }

      Element root = component.getDocument().getDefaultRootElement();
      int index = root.getElementIndex(rowStartOffset);
      Element line = root.getElement(index);

      for (int i = 0; i < line.getElementCount(); i++) {
        Element child = line.getElement(i);
        AttributeSet as = child.getAttributes();
        String fontFamily = (String) as.getAttribute(StyleConstants.FontFamily);
        Integer fontSize = (Integer) as.getAttribute(StyleConstants.FontSize);
        String key = fontFamily + fontSize;

        FontMetrics fm = fonts.get(key);

        if (fm == null) {
          Font font = new Font(fontFamily, Font.PLAIN, fontSize);
          fm = component.getFontMetrics(font);
          fonts.put(key, fm);
        }

        descent = Math.max(descent, fm.getDescent());
      }
    }

    return y - descent;
  }
示例#7
0
  /** Calculate the width needed to display the maximum line number */
  private void setPreferredWidth() {
    Element root = component.getDocument().getDefaultRootElement();
    int lines = root.getElementCount();
    int digits = Math.max(String.valueOf(lines).length(), minimumDisplayDigits);

    //  Update sizes when number of digits in the line number changes
    if (lastDigits != digits) {
      lastDigits = digits;
      FontMetrics fontMetrics = getFontMetrics(getFont());
      int width = fontMetrics.charWidth('0') * digits;
      Insets insets = getInsets();
      int preferredWidth = insets.left + insets.right + width;

      Dimension d = getPreferredSize();
      d.setSize(preferredWidth, HEIGHT);
      setPreferredSize(d);
      setSize(d);
    }
  }
示例#8
0
 /** Set the label text. */
 private void setLabelText() {
   if (!active) {
     return;
   }
   StringBuffer buf = new StringBuffer();
   buf.append(" ");
   buf.append(getRangeName());
   buf.append(": ");
   buf.append(StringUtil.padLeft(rangeReadout.getNumericString(), 6));
   buf.append(" ");
   buf.append(getBearingName());
   buf.append(": ");
   buf.append(StringUtil.padLeft(bearingReadout.getNumericString(), 6));
   String text = buf.toString();
   valueDisplay.setText(text);
   if (myOwnLabel) {
     FontMetrics fm = valueDisplay.getFontMetrics(valueDisplay.getFont());
     valueDisplay.setPreferredSize(new Dimension(fm.stringWidth(text), fm.getHeight()));
   }
 }
示例#9
0
  /**
   * Called to paint the outline.
   *
   * @param g graphics object to paint.
   */
  public void paint(final Graphics g) {
    final FontMetrics fontMetrics = getFontMetrics(getFont());
    setFontWidth(fontMetrics.stringWidth("_"));
    setFontHeight(fontMetrics.getHeight());

    if (firstTime) {
      firstTime = false;
      setVisible("Outline".equalsIgnoreCase(djvuBean.properties.getProperty("navpane")));
    }

    if (!isVisible()) {
      getParent().setVisible(false);
      invalidate();
      djvuBean.recursiveRevalidate();
    } else {
      synchronized (activeVector) {
        paintItem(0, g, getBookmark(0));
        paintCheckbox(0, g, getBookmark(0));
      }
    }
  }
示例#10
0
  /**
   * Draw the line numbers
   *
   * @param g
   */
  @Override
  public void paintComponent(Graphics g) {
    super.paintComponent(g);

    ((Graphics2D) g)
        .setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    //	Determine the width of the space available to draw the line number

    FontMetrics fontMetrics = component.getFontMetrics(component.getFont());
    Insets insets = getInsets();
    int availableWidth = getSize().width - insets.left - insets.right;

    //  Determine the rows to draw within the clipped bounds.

    Rectangle clip = g.getClipBounds();
    int rowStartOffset = component.viewToModel(new Point(0, clip.y));
    int endOffset = component.viewToModel(new Point(0, clip.y + clip.height));

    while (rowStartOffset <= endOffset) {
      try {
        if (isCurrentLine(rowStartOffset)) g.setColor(getCurrentLineForeground());
        else g.setColor(getForeground());

        //  Get the line number as a string and then determine the
        //  "X" and "Y" offsets for drawing the string.

        String lineNumber = getTextLineNumber(rowStartOffset);
        int stringWidth = fontMetrics.stringWidth(lineNumber);
        int x = getOffsetX(availableWidth, stringWidth) + insets.left;
        int y = getOffsetY(rowStartOffset, fontMetrics);
        g.drawString(lineNumber, x, y);

        //  Move to the next row

        rowStartOffset = Utilities.getRowEnd(component, rowStartOffset) + 1;
      } catch (Exception e) {
        break;
      }
    }
  }
示例#11
0
 public void draw(
     Graphics2D g,
     Color stringColor,
     Color foreground,
     Color background,
     String info,
     double x,
     double y) {
   FontMetrics fm = g.getFontMetrics();
   int h = fm.getHeight();
   int w = fm.stringWidth(info);
   r1.setRect(
       x - w / 2 - in.left, y - in.top - h / 2, w + in.right + in.left, h + in.bottom + in.top);
   g.setColor(background);
   g.fill(r1);
   g.setColor(stringColor);
   g.draw(r1);
   g.setColor(foreground);
   r2.setRect(r1.getX() + 1, r1.getY() + 1, r1.getWidth() - 2, r1.getHeight() - 2);
   g.draw(r2);
   g.setColor(stringColor);
   g.drawString(
       info, (float) (r2.getX() + in.left), (float) (r2.getY() + h - (r2.getHeight() - h) / 2));
 }
示例#12
0
 private int getFontHeight() {
   return fmRef.getHeight();
 }
示例#13
0
 private int getTextWidth(String text) {
   return fmRef.stringWidth(text);
 }
示例#14
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);
  }