filebot/source/net/sourceforge/tuned/ui/GradientStyle.java

package net.sourceforge.tuned.ui;


import java.awt.Color;
import java.awt.LinearGradientPaint;
import java.awt.MultipleGradientPaint.CycleMethod;
import java.awt.geom.Point2D;
import java.awt.geom.RectangularShape;


public enum GradientStyle {
	TOP_TO_BOTTOM,
	BOTTOM_TO_TOP,
	LEFT_TO_RIGHT,
	RIGHT_TO_LEFT,
	TOP_LEFT_TO_BOTTOM_RIGHT,
	BOTTOM_RIGHT_TO_TOP_LEFT,
	TOP_RIGHT_TO_BOTTOM_LEFT,
	BOTTOM_LEFT_TO_TOP_RIGHT;
	
	public LinearGradientPaint getGradientPaint(RectangularShape shape, Color gradientBeginColor, Color gradientEndColor) {
		Point2D start = null;
		Point2D end = null;
		
		switch (this) {
			case BOTTOM_TO_TOP:
				start = new Point2D.Double(shape.getCenterX(), shape.getMaxY());
				end = new Point2D.Double(shape.getCenterX(), shape.getMinY());
				break;
			
			case TOP_TO_BOTTOM:
				end = new Point2D.Double(shape.getCenterX(), shape.getMaxY());
				start = new Point2D.Double(shape.getCenterX(), shape.getMinY());
				break;
			
			case LEFT_TO_RIGHT:
				start = new Point2D.Double(shape.getMinX(), shape.getCenterY());
				end = new Point2D.Double(shape.getMaxX(), shape.getCenterY());
				break;
			
			case RIGHT_TO_LEFT:
				end = new Point2D.Double(shape.getMinX(), shape.getCenterY());
				start = new Point2D.Double(shape.getMaxX(), shape.getCenterY());
				break;
			
			case TOP_LEFT_TO_BOTTOM_RIGHT:
				start = new Point2D.Double(shape.getMinX(), shape.getMinY());
				end = new Point2D.Double(shape.getMaxX(), shape.getMaxY());
				break;
			
			case BOTTOM_RIGHT_TO_TOP_LEFT:
				end = new Point2D.Double(shape.getMinX(), shape.getMinY());
				start = new Point2D.Double(shape.getMaxX(), shape.getMaxY());
				break;
			
			case TOP_RIGHT_TO_BOTTOM_LEFT:
				start = new Point2D.Double(shape.getMaxX(), shape.getMinY());
				end = new Point2D.Double(shape.getMinX(), shape.getMaxY());
				break;
			
			case BOTTOM_LEFT_TO_TOP_RIGHT:
				end = new Point2D.Double(shape.getMaxX(), shape.getMinY());
				start = new Point2D.Double(shape.getMinX(), shape.getMaxY());
				break;
			
			default:
				return null;
		}
		
		Color[] colors = { gradientBeginColor, gradientEndColor };
		float[] fractions = { 0.0f, 1.0f };
		return new LinearGradientPaint(start, end, fractions, colors, CycleMethod.NO_CYCLE);
	}
	
}