@Override
public void paint(Graphics2D graphics) {
// Apply scroll bar styles to the button
ScrollButton scrollButton = (ScrollButton) getComponent();
ScrollBar scrollBar = (ScrollBar) TerraScrollBarSkin.this.getComponent();
Orientation orientation = scrollBar.getOrientation();
int width = getWidth();
int height = getHeight();
Color backgroundColor;
if (scrollButton.isEnabled()) {
if (pressed) {
backgroundColor = scrollButtonPressedBackgroundColor;
} else if (highlighted) {
backgroundColor = scrollButtonHighlightedBackgroundColor;
} else {
backgroundColor = scrollButtonBackgroundColor;
}
} else {
backgroundColor = scrollButtonDisabledBackgroundColor;
}
Color brightBackgroundColor = TerraTheme.brighten(backgroundColor);
// Paint the background
Color gradientStartColor = pressed ? backgroundColor : brightBackgroundColor;
Color gradientEndColor = pressed ? brightBackgroundColor : backgroundColor;
if (orientation == Orientation.HORIZONTAL) {
graphics.setPaint(
new GradientPaint(0, 1, gradientStartColor, 0, height - 2, gradientEndColor));
} else {
graphics.setPaint(
new GradientPaint(1, 0, gradientStartColor, width - 2, 0, gradientEndColor));
}
graphics.fillRect(1, 1, width - 2, height - 2);
// Paint the border
graphics.setPaint(borderColor);
GraphicsUtilities.drawRect(graphics, 0, 0, width, height);
// Determine the button image size
ScrollButtonImage buttonImage = scrollButton.getButtonImage();
int buttonImageWidth = buttonImage.getWidth();
int buttonImageHeight = buttonImage.getHeight();
// Paint the image
Graphics2D imageGraphics = (Graphics2D) graphics.create();
int buttonImageX = (width - buttonImageWidth) / 2;
int buttonImageY = (height - buttonImageHeight) / 2;
imageGraphics.translate(buttonImageX, buttonImageY);
imageGraphics.clipRect(0, 0, buttonImageWidth, buttonImageHeight);
buttonImage.paint(imageGraphics);
imageGraphics.dispose();
}
