Examples with Pattern org.eclipse.swt.graphics.Pattern used on opensource projects

Example 71 with Pattern

use of org.eclipse.swt.graphics.Pattern in project yamcs-studio by yamcs.

the class GaugeFigure method paintClientArea.

@Override
protected void paintClientArea(Graphics graphics) {
    graphics.setAntialias(SWT.ON);
    var area = getClientArea();
    area.width = Math.min(area.width, area.height);
    area.height = area.width;
    Pattern pattern = null;
    graphics.pushState();
    graphics.setBackgroundColor(GRAY_COLOR);
    if (support3D == null) {
        support3D = GraphicsUtil.testPatternSupported(graphics);
    }
    if (effect3D && support3D) {
        // add this to eliminate the repaint bug on Mac
        // Who added this? this will cause problem in zoom.
        // graphics.fillOval(new Rectangle());
        pattern = GraphicsUtil.createScaledPattern(graphics, Display.getCurrent(), area.x, area.y, area.x + area.width, area.y + area.height, BORDER_COLOR, WHITE_COLOR);
        graphics.setBackgroundPattern(pattern);
    }
    graphics.fillOval(area);
    if (effect3D && support3D) {
        pattern.dispose();
        area.shrink(BORDER_WIDTH, BORDER_WIDTH);
    } else {
        area.shrink(1, 1);
    }
    graphics.popState();
    graphics.fillOval(area);
    super.paintClientArea(graphics);
    // glossy effect
    if (effect3D && support3D) {
        graphics.pushState();
        graphics.setAntialias(SWT.ON);
        var R = area.width / 2.0d;
        var UD_FILL_PART = 9.5d / 10d;
        var UP_DOWN_RATIO = 1d / 2d;
        var LR_FILL_PART = 8.5d / 10d;
        var UP_ANGLE = 0d * Math.PI / 180d;
        var DOWN_ANGLE = 35d * Math.PI / 180d;
        // add this to eliminate the repaint bug on Mac
        // graphics.fillOval(new Rectangle());
        var glossyPattern = GraphicsUtil.createScaledPattern(graphics, 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);
        var 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 = GraphicsUtil.createScaledPattern(graphics, 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();
    }
}