// Called from initIndeterminateValues to initialize the animation index.
// This assumes that numFrames is set to a correct value.
private void initAnimationIndex() {
if ((progressBar.getOrientation() == JProgressBar.HORIZONTAL)
&& (BasicGraphicsUtils.isLeftToRight(progressBar))) {
// If this is a left-to-right progress bar,
// start at the first frame.
setAnimationIndex(0);
} else {
// If we go right-to-left or vertically, start at the right/bottom.
setAnimationIndex(numFrames / 2);
}
}
protected void paintString(
Graphics g, int x, int y, int width, int height, int amountFull, Insets b) {
if (progressBar.getOrientation() == JProgressBar.HORIZONTAL) {
if (BasicGraphicsUtils.isLeftToRight(progressBar)) {
if (progressBar.isIndeterminate()) {
boxRect = getBox(boxRect);
paintString(g, x, y, width, height, boxRect.x, boxRect.width, b);
} else {
paintString(g, x, y, width, height, x, amountFull, b);
}
} else {
paintString(g, x, y, width, height, x + width - amountFull, amountFull, b);
}
} else {
if (progressBar.isIndeterminate()) {
boxRect = getBox(boxRect);
paintString(g, x, y, width, height, boxRect.y, boxRect.height, b);
} else {
paintString(g, x, y, width, height, y + height - amountFull, amountFull, b);
}
}
}
/**
* All purpose paint method that should do the right thing for almost all linear, determinate
* progress bars. By setting a few values in the defaults table, things should work just fine to
* paint your progress bar. Naturally, override this if you are making a circular or semi-circular
* progress bar.
*
* @see #paintIndeterminate
* @since 1.4
*/
protected void paintDeterminate(Graphics g, JComponent c) {
if (!(g instanceof Graphics2D)) {
return;
}
Insets b = progressBar.getInsets(); // area for border
int barRectWidth = progressBar.getWidth() - (b.right + b.left);
int barRectHeight = progressBar.getHeight() - (b.top + b.bottom);
if (barRectWidth <= 0 || barRectHeight <= 0) {
return;
}
int cellLength = getCellLength();
int cellSpacing = getCellSpacing();
// amount of progress to draw
int amountFull = getAmountFull(b, barRectWidth, barRectHeight);
Graphics2D g2 = (Graphics2D) g;
g2.setColor(progressBar.getForeground());
if (progressBar.getOrientation() == JProgressBar.HORIZONTAL) {
// draw the cells
if (cellSpacing == 0 && amountFull > 0) {
// draw one big Rect because there is no space between cells
g2.setStroke(
new BasicStroke((float) barRectHeight, BasicStroke.CAP_BUTT, BasicStroke.JOIN_BEVEL));
} else {
// draw each individual cell
g2.setStroke(
new BasicStroke(
(float) barRectHeight,
BasicStroke.CAP_BUTT,
BasicStroke.JOIN_BEVEL,
0.f,
new float[] {cellLength, cellSpacing},
0.f));
}
if (BasicGraphicsUtils.isLeftToRight(c)) {
g2.drawLine(
b.left, (barRectHeight / 2) + b.top, amountFull + b.left, (barRectHeight / 2) + b.top);
} else {
g2.drawLine(
(barRectWidth + b.left),
(barRectHeight / 2) + b.top,
barRectWidth + b.left - amountFull,
(barRectHeight / 2) + b.top);
}
} else { // VERTICAL
// draw the cells
if (cellSpacing == 0 && amountFull > 0) {
// draw one big Rect because there is no space between cells
g2.setStroke(
new BasicStroke((float) barRectWidth, BasicStroke.CAP_BUTT, BasicStroke.JOIN_BEVEL));
} else {
// draw each individual cell
g2.setStroke(
new BasicStroke(
(float) barRectWidth,
BasicStroke.CAP_BUTT,
BasicStroke.JOIN_BEVEL,
0f,
new float[] {cellLength, cellSpacing},
0f));
}
g2.drawLine(
barRectWidth / 2 + b.left,
b.top + barRectHeight,
barRectWidth / 2 + b.left,
b.top + barRectHeight - amountFull);
}
// Deal with possible text painting
if (progressBar.isStringPainted()) {
paintString(g, b.left, b.top, barRectWidth, barRectHeight, amountFull, b);
}
}