/**
* Draw a Vertical Axis.
*
* @param g Graphics context.
*/
protected void drawVAxis(Graphics g) {
Graphics lg;
int i;
int j;
int x0, y0, x1, y1;
int direction;
int tempOffset = 0;
double minor_step;
double minor;
Color c;
double vmin = minimum * 1.001;
double vmax = maximum * 1.001;
double scale = (amax.y - amin.y) / (maximum - minimum);
double val;
// System.out.println("Drawing Vertical Axis!");
if (axiscolor != null) {
g.setColor(axiscolor);
}
g.drawLine(amin.x, amin.y, amax.x, amax.y);
if (position == RIGHT) {
direction = -1;
} else {
direction = 1;
}
minor_step = label_step / (minor_tic_count + 1);
val = label_start;
for (i = 0; i < label_count; i++) {
if (val >= vmin && val <= vmax) {
x0 = amin.x;
y0 = amax.y - (int) ((val - minimum) * scale);
if (Math.abs(label_value[i]) <= 0.0001 && drawzero) {
c = g.getColor();
if (zerocolor != null) {
g.setColor(zerocolor);
}
g.drawLine(x0, y0, x0 + data_window.width * direction, y0);
g.setColor(c);
} else if (paintGrid) {
c = g.getColor();
if (gridcolor != null) {
g.setColor(gridcolor);
}
if (transparency != 255) {
Graphics2D g2d = (Graphics2D) g;
Paint pn = g2d.getPaint();
if (gridcolor != null) {
g.setColor(
new Color(
gridcolor.getRed(),
gridcolor.getGreen(),
gridcolor.getBlue(),
(int) transparency));
}
}
if (!(i == 0 && dropFirstGridLine)) {
g.drawLine(x0, y0, x0 + data_window.width * direction, y0);
}
g.setColor(c);
}
x1 = x0 + major_tic_size * direction;
y1 = y0;
g.drawLine(x0, y0, x1, y1);
if (TICS_IN_BOTH_ENDS) {
g.drawLine(
x0 + data_window.width * direction - major_tic_size,
y0,
x0 + data_window.width * direction,
y1);
}
}
minor = val + minor_step;
for (j = 0; j < minor_tic_count; j++) {
if (minor >= vmin && minor <= vmax) {
x0 = amin.x;
y0 = amax.y - (int) ((minor - minimum) * scale);
if (paintGrid) {
c = g.getColor();
if (gridcolor != null) {
g.setColor(gridcolor);
}
if (transparency != 255) {
Graphics2D g2d = (Graphics2D) g;
Paint pn = g2d.getPaint();
if (gridcolor != null) {
g.setColor(
new Color(
gridcolor.getRed(),
gridcolor.getGreen(),
gridcolor.getBlue(),
(int) transparency));
}
}
g.drawLine(x0, y0, x0 + data_window.width * direction, y0);
g.setColor(c);
}
x1 = x0 + minor_tic_size * direction;
y1 = y0;
g.drawLine(x0, y0, x1, y1);
if (TICS_IN_BOTH_ENDS) {
g.drawLine(
x0 + data_window.width * direction - minor_tic_size,
y0,
x0 + data_window.width * direction,
y1);
}
}
minor += minor_step;
}
val += label_step;
}
val = label_start;
for (i = 0; i < label_count; i++) {
if (val >= vmin && val <= vmax) {
x0 = amin.x + tempOffset;
y0 = amax.y - (int) ((val - minimum) * scale) + label.getAscent(g) / 2;
if (position == RIGHT) {
label.setText(" " + label_string[i]);
label.draw(g, x0, y0, ChartLabel.LEFT);
} else {
label.setText(label_string[i] + " ");
label.draw(g, x0, y0, ChartLabel.RIGHT);
}
}
val += label_step;
}
/*
*
* if( !exponent.isNull() ) {
*
*
*
* y0 = amin.y;
*
*
*
* if(position == RIGHT ) {
*
* x0 = amin.x + max_label_width + exponent.charWidth(g,' ');
*
* exponent.draw(g,x0,y0,ChartLabel.LEFT);
*
* } else {
*
*
*
* x0 = amin.x - exponent.getWidth(g)-exponent.charWidth(g,' ');
*
* //x0 = amin.x - max_label_width - exponent.charWidth(g,' ');
*
* exponent.draw(g,x0,y0,ChartLabel.RIGHT);
*
* }
*
*
*
* }
*
*/
if (!title.isNull()) {
y0 = amin.y + (amax.y - amin.y) / 2;
if (title.getRotation() == 0 || title.getRotation() == 180) {
if (position == RIGHT) {
x0 = amin.x + max_label_width + title.charWidth(g, ' ');
title.draw(g, x0, y0, ChartLabel.LEFT);
} else {
x0 = amin.x - max_label_width - title.charWidth(g, ' ');
title.draw(g, x0, y0, ChartLabel.RIGHT);
}
} else {
title.setJustification(ChartLabel.CENTER);
if (position == RIGHT) {
x0 = amin.x + max_label_width - title.getLeftEdge(g) + +title.charWidth(g, ' ');
} else {
x0 = amin.x - max_label_width - title.getRightEdge(g) - title.charWidth(g, ' ');
}
title.draw(g, x0, y0);
}
}
if (!exponent.isNull()) {
y0 = amin.y + exponent.getWidth(g);
if (title.getRotation() == 0 || title.getRotation() == 180) {
if (position == RIGHT) {
x0 = amin.x + max_label_width + title.charWidth(g, ' ');
title.draw(g, x0, y0, ChartLabel.LEFT);
} else {
x0 = amin.x - max_label_width - title.charWidth(g, ' ');
title.draw(g, x0, y0, ChartLabel.RIGHT);
}
} else {
if (position == RIGHT) {
x0 = amin.x + max_label_width - title.getLeftEdge(g) + +title.charWidth(g, ' ');
} else {
x0 = amin.x - max_label_width - title.getRightEdge(g) - title.charWidth(g, ' ');
}
exponent.setBackground(Color.red);
exponent.setRotation(90);
exponent.setFontSize(12);
exponent.setFontStyle(1);
exponent.setFontName("TIMES NEW ROMAN");
exponent.draw(g, x0, y0);
}
}
}
