/** Overrides <code>Graphics.copyArea</code>. */
public void copyArea(int x, int y, int width, int height, int destX, int destY) {
if (debugLog()) {
info()
.log(
toShortString()
+ " Copying area from: "
+ new Rectangle(x, y, width, height)
+ " to: "
+ new Point(destX, destY));
}
graphics.copyArea(x, y, width, height, destX, destY);
}
public void paintcomponent(Graphics g) {
if (image == null) return;
int imageWidth = image.getWidth(this);
int imageHeight = image.getHeight(this);
g.drawImage(image, 0, 0, null);
for (int i = 0; i * imageWidth <= getWidth(); i++)
for (int j = 0; j * imageHeight <= getHeight(); j++)
if (i + j > 0) g.copyArea(0, 0, imageWidth, imageHeight, i * imageWidth, j * imageHeight);
}
public void update(double slowdown, double arrival) {
freeway.update(slowdown, arrival);
if (buffer == null) {
xsize = size().width;
ysize = size().height;
buffer = createImage(xsize, ysize);
}
Graphics bg = buffer.getGraphics();
freeway.paint(bg, row, XDOTDIST, DOTSIZE);
if (row < ysize - 2 * DOTSIZE + 1) row += DOTSIZE;
else {
bg.copyArea(0, DOTSIZE, xsize, ysize - DOTSIZE, 0, -DOTSIZE);
bg.clearRect(0, ysize - DOTSIZE, xsize, DOTSIZE);
}
bg.dispose();
repaint();
}
private static void shearY(Graphics g, int w1, int h1, Color color) {
int period = random.nextInt(40) + 10; // 50;
boolean borderGap = true;
int frames = 20;
int phase = 7;
for (int i = 0; i < w1; i++) {
double d =
(double) (period >> 1)
* Math.sin(
(double) i / (double) period
+ (6.2831853071795862D * (double) phase) / (double) frames);
g.copyArea(i, 0, 1, h1, 0, (int) d);
if (borderGap) {
g.setColor(color);
g.drawLine(i, (int) d, i, 0);
g.drawLine(i, (int) d + h1, i, h1);
}
}
}
private static void shearX(Graphics g, int w1, int h1, Color color) {
int period = random.nextInt(2);
boolean borderGap = true;
int frames = 1;
int phase = random.nextInt(2);
for (int i = 0; i < h1; i++) {
double d =
(double) (period >> 1)
* Math.sin(
(double) i / (double) period
+ (6.2831853071795862D * (double) phase) / (double) frames);
g.copyArea(0, i, w1, 1, (int) d, 0);
if (borderGap) {
g.setColor(color);
g.drawLine((int) d, i, 0, i);
g.drawLine((int) d + w1, i, w1, i);
}
}
}
/**
* Update the plot
*
* @param dataPoint contains y values to plot
*/
protected void updateChart(double[] dataPoint) {
if (m_previousY[0] == -1) {
int iw = m_plotPanel.getWidth();
int ih = m_plotPanel.getHeight();
m_osi = m_plotPanel.createImage(iw, ih);
Graphics m = m_osi.getGraphics();
m.fillRect(0, 0, iw, ih);
m_previousY[0] = convertToPanelY(0);
m_iheight = ih;
m_iwidth = iw;
}
if (dataPoint.length - 1 != m_previousY.length) {
m_previousY = new double[dataPoint.length - 1];
// m_plotCount = 0;
for (int i = 0; i < dataPoint.length - 1; i++) {
m_previousY[i] = convertToPanelY(0);
}
}
Graphics osg = m_osi.getGraphics();
Graphics g = m_plotPanel.getGraphics();
osg.copyArea(m_refreshWidth, 0, m_iwidth - m_refreshWidth, m_iheight, -m_refreshWidth, 0);
osg.setColor(Color.black);
osg.fillRect(m_iwidth - m_refreshWidth, 0, m_iwidth, m_iheight);
// paint the old scale onto the plot if a scale update has occured
if (m_yScaleUpdate) {
String maxVal = numToString(m_oldMax);
String minVal = numToString(m_oldMin);
String midVal = numToString((m_oldMax - m_oldMin) / 2.0);
if (m_labelMetrics == null) {
m_labelMetrics = g.getFontMetrics(m_labelFont);
}
osg.setFont(m_labelFont);
int wmx = m_labelMetrics.stringWidth(maxVal);
int wmn = m_labelMetrics.stringWidth(minVal);
int wmd = m_labelMetrics.stringWidth(midVal);
int hf = m_labelMetrics.getAscent();
osg.setColor(m_colorList[m_colorList.length - 1]);
osg.drawString(maxVal, m_iwidth - wmx, hf - 2);
osg.drawString(midVal, m_iwidth - wmd, (m_iheight / 2) + (hf / 2));
osg.drawString(minVal, m_iwidth - wmn, m_iheight - 1);
m_yScaleUpdate = false;
}
double pos;
for (int i = 0; i < dataPoint.length - 1; i++) {
osg.setColor(m_colorList[(i % m_colorList.length)]);
pos = convertToPanelY(dataPoint[i]);
osg.drawLine(m_iwidth - m_refreshWidth, (int) m_previousY[i], m_iwidth - 1, (int) pos);
m_previousY[i] = pos;
if (dataPoint[dataPoint.length - 1] % m_xValFreq == 0) {
// draw the actual y value onto the plot for this curve
String val = numToString(dataPoint[i]);
if (m_labelMetrics == null) {
m_labelMetrics = g.getFontMetrics(m_labelFont);
}
int hf = m_labelMetrics.getAscent();
if (pos - hf < 0) {
pos += hf;
}
int w = m_labelMetrics.stringWidth(val);
osg.setFont(m_labelFont);
osg.drawString(val, m_iwidth - w, (int) pos);
}
}
// last element in the data point array contains the data point number
if (dataPoint[dataPoint.length - 1] % m_xValFreq == 0) {
String xVal = "" + (int) dataPoint[dataPoint.length - 1];
osg.setColor(m_colorList[m_colorList.length - 1]);
int w = m_labelMetrics.stringWidth(xVal);
osg.setFont(m_labelFont);
osg.drawString(xVal, m_iwidth - w, m_iheight - 1);
}
g.drawImage(m_osi, 0, 0, m_plotPanel);
// System.err.println("Finished");
// m_plotCount++;
}