diff options
Diffstat (limited to 'TAO/orbsvcs/tests/AVStreams/server_discovery/Strip_Chart.java')
| -rw-r--r-- | TAO/orbsvcs/tests/AVStreams/server_discovery/Strip_Chart.java | 188 |
1 files changed, 0 insertions, 188 deletions
diff --git a/TAO/orbsvcs/tests/AVStreams/server_discovery/Strip_Chart.java b/TAO/orbsvcs/tests/AVStreams/server_discovery/Strip_Chart.java deleted file mode 100644 index 687c16a8077..00000000000 --- a/TAO/orbsvcs/tests/AVStreams/server_discovery/Strip_Chart.java +++ /dev/null @@ -1,188 +0,0 @@ -// $Id$ -// -// = FILENAME -// DoubleVisComp.java -// -// = AUTHOR -// Seth Widoff (core graph functionality) -// Michael Kircher (mk1@cs.wustl.edu) -// -// = DESCRIPTION -// This is a Visualization Component for displaying doubles. -// -// ============================================================================ - -import java.awt.*; -import java.util.*; - -public class Strip_Chart extends Canvas -{ - private static final int MIN_SPACING = 2; - private static final int POINT_HISTORY = 200; - private static final Font FONT = new Font ("Dialog", Font.PLAIN, 10); - - private Queue plot_; - private String title_; - private Graphics offgraphics_; - private Image offscreen_; - private Dimension offscreensize_; - private int max_value_; - private int old_max_value_; - private int spacing_; - private float local_max_ = 0; - private boolean max_increased_ = false; - - public Strip_Chart (String title) - { - super(); - - plot_ = new Queue (); - spacing_ = MIN_SPACING; - title_ = title; - max_value_ = 1; - // max_value_ = max_value; - old_max_value_ = max_value_; - - java.util.Random rand = new java.util.Random (System.currentTimeMillis()); - float hue_ = rand.nextFloat(); - float brightness = rand.nextFloat(); - - hue_ += .075; - - if (hue_ > 1.0) - hue_ -= 1.0; - - if (brightness > 0.75) - brightness -= 0.25; - - Color new_color = Color.getHSBColor(hue_, 1, brightness); - - this.setBackground(new_color); - this.setForeground(Color.white); - } - - - public void setName (String title) { - title_ = title; - } - - public Dimension getMinimumSize () { - return new Dimension (75, 75); - } - - public Dimension getPreferredSize () { - return new Dimension (175, 175); - } - - public String getName() { - return title_; - } - - public int getMax() { - return old_max_value_; - } - - public void update (float new_point) - { - Float temp = (Float) plot_.dequeue_tail(); - plot_.enqueue_head (new Float (new_point)); - - if (new_point > local_max_) - local_max_ = new_point; - - while (local_max_ > max_value_) - max_value_ *= 2; - - while ((local_max_ < max_value_/2) && (max_value_ > old_max_value_)) - max_value_ /= 2; - - repaint(); - } - - public void update(Graphics g) - { - Dimension d = getSize (); - float tmp, value_1, value_2; - FontMetrics fm = g.getFontMetrics (); - Enumeration queue_iter = plot_.forward_iterator(); - int x1 = d.width - 8, y1, x2, y2, fheight = fm.getHeight (), i; - String value = "Value (of " + max_value_ + "): " + String.valueOf(plot_.head()); - - if ((offscreen_ == null) || - (offscreensize_.width != d.width - 8) || - (offscreensize_.height != d.height - 8)) - { - offscreen_ = createImage(d.width - 8, d.height - 8); - offscreensize_ = new Dimension(d.width - 8, d.height - 8); - offgraphics_ = offscreen_.getGraphics(); - offgraphics_.setFont(FONT); - } - - g.setColor (Color.lightGray); - g.draw3DRect (0, 0, d.width - 1, d.height - 1, true); - g.draw3DRect (1, 1, d.width - 3, d.height - 3, true); - g.draw3DRect (2, 2, d.width - 5, d.height - 5, true); - - local_max_ = 0; - offgraphics_.setColor (getBackground()); - offgraphics_.fillRect (0, 0, offscreensize_.width, offscreensize_.height); - offgraphics_.setColor (getForeground()); - offgraphics_.drawString(title_, 5, fheight); - offgraphics_.drawString(value, 5, offscreensize_.height - 5); - - value_1 = ((Float)queue_iter.nextElement()).floatValue(); - while (queue_iter.hasMoreElements()) - { - value_2 = ((Float)queue_iter.nextElement()).floatValue(); - - if (value_1 > local_max_) - local_max_ = value_1; - - y1 = normalize(offscreensize_.height - fheight, value_1); - y2 = normalize(offscreensize_.height - fheight, value_2); - - tmp = value_2; - value_2 = value_1; - value_1 = tmp; - - x2 = x1 - spacing_; - offgraphics_.drawLine(x1, y1, x2, y2); - x1 = x2; - if (x1 <= 5) - break; - } - - g.drawImage(offscreen_, 3, 3, null); - } - - public void paint(Graphics g) - { - Dimension d = getSize (); - int plot_length = plot_.length(); - int num_points = d.width / spacing_; - - if (plot_.length() < num_points) - { - for (int i = 0; i < num_points - plot_length; i++) - plot_.enqueue_tail(new Float(0)); - } - else if (plot_.length() > num_points) - { - for (int i = 0; i < plot_length - num_points; i++) - plot_.dequeue_tail(); - } - - update(g); - } - - - private int normalize(int height, float coord) - { - float ratio = (float)coord/max_value_; - float pixels = (float)height*ratio; - float location = (float)height - pixels; - - return Math.round(location); - } -} - |