com.mxgraph.shape.mxBasicShape Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of AptSpringProcessor Show documentation

This project contains the apt processor that implements all the checks enumerated in @Verify. It is a self contained, and shaded jar.

The newest version!

/**
 * Copyright (c) 2010, Gaudenz Alder, David Benson
 */
package com.mxgraph.shape;

import java.awt.Color;
import java.awt.Paint;
import java.awt.Shape;
import java.util.Map;

import com.mxgraph.canvas.mxGraphics2DCanvas;
import com.mxgraph.util.mxConstants;
import com.mxgraph.util.mxRectangle;
import com.mxgraph.util.mxUtils;
import com.mxgraph.view.mxCellState;

public class mxBasicShape implements mxIShape
{

	/**
	 * 
	 */
	public void paintShape(mxGraphics2DCanvas canvas, mxCellState state)
	{
		Shape shape = createShape(canvas, state);

		if (shape != null)
		{
			// Paints the background
			if (configureGraphics(canvas, state, true))
			{
				canvas.fillShape(shape, hasShadow(canvas, state));
			}

			// Paints the foreground
			if (configureGraphics(canvas, state, false))
			{
				canvas.getGraphics().draw(shape);
			}
		}
	}

	/**
	 * 
	 */
	public Shape createShape(mxGraphics2DCanvas canvas, mxCellState state)
	{
		return null;
	}

	/**
	 * Configures the graphics object ready to paint.
	 * @param canvas the canvas to be painted to
	 * @param state the state of cell to be painted
	 * @param background whether or not this is the background stage of 
	 * 			the shape paint
	 * @return whether or not the shape is ready to be drawn
	 */
	protected boolean configureGraphics(mxGraphics2DCanvas canvas,
			mxCellState state, boolean background)
	{
		Map style = state.getStyle();

		if (background)
		{
			// Paints the background of the shape
			Paint fillPaint = hasGradient(canvas, state) ? canvas
					.createFillPaint(getGradientBounds(canvas, state), style)
					: null;

			if (fillPaint != null)
			{
				canvas.getGraphics().setPaint(fillPaint);

				return true;
			}
			else
			{
				Color color = getFillColor(canvas, state);
				canvas.getGraphics().setColor(color);

				return color != null;
			}
		}
		else
		{
			canvas.getGraphics().setPaint(null);
			Color color = getStrokeColor(canvas, state);
			canvas.getGraphics().setColor(color);
			canvas.getGraphics().setStroke(canvas.createStroke(style));

			return color != null;
		}
	}

	/**
	 * 
	 */
	protected mxRectangle getGradientBounds(mxGraphics2DCanvas canvas,
			mxCellState state)
	{
		return state;
	}

	/**
	 * 
	 */
	public boolean hasGradient(mxGraphics2DCanvas canvas, mxCellState state)
	{
		return true;
	}

	/**
	 * 
	 */
	public boolean hasShadow(mxGraphics2DCanvas canvas, mxCellState state)
	{
		return mxUtils
				.isTrue(state.getStyle(), mxConstants.STYLE_SHADOW, false);
	}

	/**
	 * 
	 */
	public Color getFillColor(mxGraphics2DCanvas canvas, mxCellState state)
	{
		return mxUtils.getColor(state.getStyle(), mxConstants.STYLE_FILLCOLOR);
	}

	/**
	 * 
	 */
	public Color getStrokeColor(mxGraphics2DCanvas canvas, mxCellState state)
	{
		return mxUtils
				.getColor(state.getStyle(), mxConstants.STYLE_STROKECOLOR);
	}

}