@Override
protected void fillShape(Graphics graphics) {
graphics.setAntialias(SWT.ON);
Pattern pattern = null;
graphics.setBackgroundColor(GRAY_COLOR);
boolean support3D = GraphicsUtil.testPatternSupported(graphics);
if (effect3D && support3D) {
// add this to eliminate the repaint bug on Mac
graphics.fillOval(new Rectangle());
pattern =
new Pattern(
Display.getCurrent(),
bounds.x,
bounds.y,
bounds.x + bounds.width,
bounds.y + bounds.height,
WHITE_COLOR,
BORDER_COLOR);
graphics.setBackgroundPattern(pattern);
}
super.fillShape(graphics);
if (effect3D && support3D) pattern.dispose();
}
@Override
protected void paintClientArea(Graphics graphics) {
graphics.setAntialias(SWT.ON);
Rectangle area = getClientArea();
area.width = Math.min(area.width, area.height);
area.height = area.width;
Pattern pattern = null;
graphics.pushState();
graphics.setBackgroundColor(GRAY_COLOR);
boolean support3D = GraphicsUtil.testPatternSupported(graphics);
if (effect3D && support3D) {
// add this to eliminate the repaint bug on Mac
graphics.fillOval(new Rectangle());
pattern =
new Pattern(
Display.getCurrent(),
area.x,
area.y,
area.x + area.width,
area.y + area.height,
BORDER_COLOR,
WHITE_COLOR);
graphics.setBackgroundPattern(pattern);
}
graphics.fillOval(area);
graphics.popState();
if (effect3D && support3D) {
pattern.dispose();
area.shrink(BORDER_WIDTH, BORDER_WIDTH);
} else area.shrink(1, 1);
graphics.fillOval(area);
super.paintClientArea(graphics);
// glossy effect
if (effect3D && support3D) {
graphics.pushState();
graphics.setAntialias(SWT.ON);
final double R = area.width / 2.0d;
final double UD_FILL_PART = 9.5d / 10d;
final double UP_DOWN_RATIO = 1d / 2d;
final double LR_FILL_PART = 8.5d / 10d;
final double UP_ANGLE = 0d * Math.PI / 180d;
final double DOWN_ANGLE = 35d * Math.PI / 180d;
// add this to eliminate the repaint bug on Mac
graphics.fillOval(new Rectangle());
Pattern glossyPattern =
new Pattern(
Display.getCurrent(),
area.x + area.width / 2,
(float) (area.y + area.height / 2 - R * UD_FILL_PART),
area.x + area.width / 2,
(float) (area.y + area.height / 2 + R * UP_DOWN_RATIO),
WHITE_COLOR,
90,
WHITE_COLOR,
0);
graphics.setBackgroundPattern(glossyPattern);
Rectangle rectangle =
new Rectangle(
(int) (area.x + area.width / 2 - R * LR_FILL_PART * Math.cos(UP_ANGLE)),
(int) (area.y + area.height / 2 - R * UD_FILL_PART),
(int) (2 * R * LR_FILL_PART * Math.cos(UP_ANGLE)),
(int) (R * UD_FILL_PART + R * UP_DOWN_RATIO));
graphics.fillOval(rectangle);
glossyPattern.dispose();
glossyPattern =
new Pattern(
Display.getCurrent(),
area.x + area.width / 2,
(float) (area.y + area.height / 2 + R * UP_DOWN_RATIO - 1),
area.x + area.width / 2,
(float) (area.y + area.height / 2 + R * UD_FILL_PART + 1),
WHITE_COLOR,
0,
WHITE_COLOR,
40);
graphics.setBackgroundPattern(glossyPattern);
rectangle =
new Rectangle(
(int) (area.x + area.width / 2 - R * LR_FILL_PART * Math.sin(DOWN_ANGLE)),
(int) Math.ceil(area.y + area.height / 2 + R * UP_DOWN_RATIO),
(int) (2 * R * LR_FILL_PART * Math.sin(DOWN_ANGLE)),
(int) Math.ceil(R * UD_FILL_PART - R * UP_DOWN_RATIO));
graphics.fillOval(rectangle);
glossyPattern.dispose();
graphics.popState();
}
}
