/*
* 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.incolouringFormula;
import net.sf.jame.core.util.Palette;
import net.sf.jame.mandelbrot.paletteRenderer.PaletteRendererRuntimeElement;
import net.sf.jame.mandelbrot.renderer.RenderedPoint;
import net.sf.jame.mandelbrot.renderingFormula.extension.RenderingFormulaExtensionRuntime;
/**
* @author Andrea Medeghini
*/
public abstract class AbstractIncolouringPaletteRuntime<T extends AbstractIncolouringPaletteConfig> extends AbstractIncolouringFormulaRuntime<T> {
protected RenderingFormulaExtensionRuntime<?> formulaRuntime;
private PaletteRendererRuntimeElement rendererElement;
protected int[] colorTable;
protected Palette palette;
protected int maxColors;
/**
* @see net.sf.jame.mandelbrot.extensions.incolouringFormula.AbstractIncolouringFormulaRuntime#prepareForRendering(net.sf.jame.mandelbrot.renderingFormula.extension.RenderingFormulaExtensionRuntime, int)
*/
@Override
public void prepareForRendering(final RenderingFormulaExtensionRuntime<?> formulaRuntime, final int maxColors) {
this.formulaRuntime = formulaRuntime;
if (rendererElement.getRendererRuntime() != null) {
rendererElement.getRendererRuntime().prepareForRendering();
final Palette newPalette = rendererElement.getRendererRuntime().renderPalette();
if ((this.maxColors != maxColors) || (colorTable == null) || (palette != newPalette)) {
this.colorTable = newPalette.renderTable(maxColors);
}
this.maxColors = maxColors;
this.palette = newPalette;
}
else {
this.maxColors = 0;
this.palette = null;
this.colorTable = new int[] { 0xFF000000 };
}
}
/**
* @param cp
* @return the color.
*/
@Override
public int renderColor(final RenderedPoint cp) {
if (this.colorTable.length == 0) {
return 0;
}
int index = this.renderIndex(cp);
if (index < 0) {
index = 0;
}
return this.colorTable[index % this.colorTable.length];
}
/**
* @param cp
* @param shift
* @return the color.
*/
@Override
public int renderColor(final RenderedPoint cp, final int shift) {
if (shift != 0) {
if (this.colorTable.length == 0) {
return 0;
}
int index = this.renderIndex(cp) + shift;
if (index < 0) {
index = 0;
}
return this.colorTable[index % this.colorTable.length];
}
else {
return this.renderColor(cp);
}
}
/**
* @param cp
* @return the index.
*/
protected abstract int renderIndex(RenderedPoint cp);
/**
* @see net.sf.jame.core.extension.ConfigurableExtensionRuntime#isChanged()
*/
@Override
public boolean isChanged() {
final boolean rendererChanged = (rendererElement != null) && rendererElement.isChanged();
return super.isChanged() || rendererChanged;
}
/**
* @see net.sf.jame.core.extension.ConfigurableExtensionRuntime#configReloaded()
*/
@Override
public void configReloaded() {
super.configReloaded();
rendererElement = new PaletteRendererRuntimeElement(getConfig().getPaletteRendererElement());
}
}