/*
 * JAME 6.2.1
 * http://jame.sourceforge.net
 *
 * Copyright 2001, 2016 Andrea Medeghini
 *
 * This file is part of JAME.
 *
 * JAME is an application for creating fractals and other graphics artifacts.
 *
 * JAME is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * JAME is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with JAME.  If not, see <http://www.gnu.org/licenses/>.
 *
 */
package net.sf.jame.mandelbrot.extensions.outcolouringFormula;

import net.sf.jame.mandelbrot.colorRenderer.ColorRendererRuntimeElement;
import net.sf.jame.mandelbrot.renderer.RenderedPoint;
import net.sf.jame.mandelbrot.renderingFormula.extension.RenderingFormulaExtensionRuntime;

/**
 * @author Andrea Medeghini
 */
public class UniversalTrueColorRuntime extends AbstractOutcolouringFormulaRuntime<UniversalTrueColorConfig> {
	private final ColorRendererRuntimeElement[] rendererElements = new ColorRendererRuntimeElement[4];

	/**
	 * @see net.sf.jame.mandelbrot.extensions.outcolouringFormula.AbstractOutcolouringFormulaRuntime#isSolidGuessAllowed()
	 */
	@Override
	public boolean isSolidGuessAllowed() {
		return true;
	}

	/**
	 * @see net.sf.jame.mandelbrot.extensions.outcolouringFormula.AbstractOutcolouringPaletteRuntime#prepareForRendering(int)
	 */
	@Override
	public void prepareForRendering(final RenderingFormulaExtensionRuntime<?> formulaRuntime, final int maxColors) {
		super.prepareForRendering(formulaRuntime, maxColors);
		if (rendererElements[0].getRendererRuntime() != null) {
			rendererElements[0].getRendererRuntime().prepareForRendering();
		}
		if (rendererElements[1].getRendererRuntime() != null) {
			rendererElements[1].getRendererRuntime().prepareForRendering();
		}
		if (rendererElements[2].getRendererRuntime() != null) {
			rendererElements[2].getRendererRuntime().prepareForRendering();
		}
		if (rendererElements[3].getRendererRuntime() != null) {
			rendererElements[3].getRendererRuntime().prepareForRendering();
		}
	}

	/**
	 * @see net.sf.jame.mandelbrot.outcolouringFormula.extension.OutcolouringFormulaExtensionRuntime#renderColor(net.sf.jame.mandelbrot.renderer.RenderedPoint)
	 */
	@Override
	public int renderColor(final RenderedPoint cp) {
		int r = 0;
		int g = 0;
		int b = 0;
		int a = 0;
		if (rendererElements[0].getRendererRuntime() != null) {
			r = (int) Math.rint(rendererElements[0].getRendererRuntime().renderColor(cp) * 255d);
		}
		if (rendererElements[1].getRendererRuntime() != null) {
			g = (int) Math.rint(rendererElements[1].getRendererRuntime().renderColor(cp) * 255d);
		}
		if (rendererElements[2].getRendererRuntime() != null) {
			b = (int) Math.rint(rendererElements[2].getRendererRuntime().renderColor(cp) * 255d);
		}
		if (rendererElements[3].getRendererRuntime() != null) {
			a = (int) Math.rint(rendererElements[3].getRendererRuntime().renderColor(cp) * 255d);
		}
		return (a << 24) | (r << 16) | (g << 8) | b;
	}

	/**
	 * @see net.sf.jame.mandelbrot.outcolouringFormula.extension.OutcolouringFormulaExtensionRuntime#renderColor(net.sf.jame.mandelbrot.renderer.RenderedPoint)
	 */
	@Override
	public int renderColor(final RenderedPoint cp, final int shift) {
		return this.renderColor(cp);
	}

	/**
	 * @see net.sf.jame.core.extension.ConfigurableExtensionRuntime#isChanged()
	 */
	@Override
	public boolean isChanged() {
		boolean isChanged = super.isChanged();
		if (rendererElements[0] != null) {
			isChanged |= rendererElements[0].isChanged();
		}
		if (rendererElements[1] != null) {
			isChanged |= rendererElements[1].isChanged();
		}
		if (rendererElements[2] != null) {
			isChanged |= rendererElements[2].isChanged();
		}
		if (rendererElements[3] != null) {
			isChanged |= rendererElements[3].isChanged();
		}
		return isChanged;
	}

	/**
	 * @see net.sf.jame.core.extension.ConfigurableExtensionRuntime#configReloaded()
	 */
	@Override
	public void configReloaded() {
		super.configReloaded();
		rendererElements[0] = new ColorRendererRuntimeElement(getConfig().getColorRendererElement(0));
		rendererElements[1] = new ColorRendererRuntimeElement(getConfig().getColorRendererElement(1));
		rendererElements[2] = new ColorRendererRuntimeElement(getConfig().getColorRendererElement(2));
		rendererElements[3] = new ColorRendererRuntimeElement(getConfig().getColorRendererElement(3));
	}
}