/**
* This paints the entire plot. It calls the draw methods of all the attached axis and data sets.
* The order of drawing is - Axis first, data legends next, data last.
*
* @params g Graphics state.
*/
public void paint(Graphics g) {
int i;
Graphics lg = g.create();
Rectangle r = bounds();
/* The r.x and r.y returned from bounds is relative to the
** parents space so set them equal to zero.
*/
r.x = 0;
r.y = 0;
if (DefaultBackground == null) DefaultBackground = this.getBackground();
if (DataBackground == null) DataBackground = this.getBackground();
// System.out.println("Graph2D paint method called!");
if (!paintAll) return;
r.x += borderLeft;
r.y += borderTop;
r.width -= borderLeft + borderRight;
r.height -= borderBottom + borderTop;
paintFirst(lg, r);
if (!axis.isEmpty()) r = drawAxis(lg, r);
else {
if (clearAll) {
Color c = g.getColor();
g.setColor(DataBackground);
g.fillRect(r.x, r.y, r.width, r.height);
g.setColor(c);
}
drawFrame(lg, r.x, r.y, r.width, r.height);
}
paintBeforeData(lg, r);
if (!dataset.isEmpty()) {
datarect.x = r.x;
datarect.y = r.y;
datarect.width = r.width;
datarect.height = r.height;
for (i = 0; i < dataset.size(); i++) {
((DataSet) dataset.elementAt(i)).draw_data(lg, r);
}
}
paintLast(lg, r);
lg.dispose();
}
/**
* Parse the text then draw it without any rotation.
*
* @param g Graphics context
* @param x pixel position of the text
* @param y pixel position of the text
*/
public void draw(Graphics g, int x, int y) {
TextState ts;
int xoffset = x;
int yoffset = y;
if (g == null || text == null) return;
Graphics lg = g.create();
parseText(g);
if (justification == CENTER) {
xoffset = x - width / 2;
} else if (justification == RIGHT) {
xoffset = x - width;
}
if (background != null) {
lg.setColor(background);
lg.fillRect(xoffset, yoffset - ascent, width, height);
lg.setColor(g.getColor());
}
if (font != null) lg.setFont(font);
if (color != null) lg.setColor(color);
for (int i = 0; i < list.size(); i++) {
ts = ((TextState) (list.elementAt(i)));
if (ts.f != null) lg.setFont(ts.f);
if (ts.s != null) lg.drawString(ts.toString(), ts.x + xoffset, ts.y + yoffset);
}
lg.dispose();
lg = null;
}
/** The method to call when the thread starts */
public void run() {
boolean draw = true;
FontMetrics fm;
Rectangle r;
int sw = 0;
int sa = 0;
int x = 0;
int y = 0;
setPriority(Thread.MIN_PRIORITY);
while (true) {
if (newmessage != null && draw) {
message = newmessage;
newmessage = null;
}
if (lg == null) {
lg = g2d.getGraphics();
if (lg != null) lg = lg.create();
}
if (lg != null) {
if (f != null) lg.setFont(f);
fm = lg.getFontMetrics(lg.getFont());
sw = fm.stringWidth(message);
sa = fm.getAscent();
} else {
draw = false;
}
if (draw) {
lg.setColor(foreground);
r = g2d.bounds();
x = r.x + (r.width - sw) / 2;
y = r.y + (r.height + sa) / 2;
lg.drawString(message, x, y);
g2d.repaint();
try {
sleep(visible);
} catch (Exception e) {
}
} else {
if (lg != null) {
lg.setColor(g2d.getBackground());
lg.drawString(message, x, y);
g2d.repaint();
}
try {
sleep(invisible);
} catch (Exception e) {
}
}
draw = !draw;
}
}
