/** Copyright by Barry G. Becker, 2000-2011. Licensed under MIT License: http://www.opensource.org/licenses/MIT */
package com.barrybecker4.simulation.reactiondiffusion;
import com.barrybecker4.ui.util.ColorMap;
import com.barrybecker4.simulation.reactiondiffusion.algorithm.GrayScottController;
import com.barrybecker4.simulation.reactiondiffusion.rendering.RDColorMap;
import com.barrybecker4.simulation.reactiondiffusion.rendering.RDOffscreenRenderer;
import com.barrybecker4.simulation.reactiondiffusion.rendering.RDOnscreenRenderer;
import com.barrybecker4.simulation.reactiondiffusion.rendering.RDRenderer;
import com.barrybecker4.simulation.reactiondiffusion.rendering.RDRenderingOptions;
import java.awt.*;
/**
* Reaction diffusion viewer.
*/
public class RDViewer {
private static final int FIXED_SIZE_DIM = 250;
private GrayScottController grayScott_;
private RDRenderer onScreenRenderer_;
private RDRenderer offScreenRenderer_;
private boolean useFixedSize_ = false;
private boolean useOfflineRendering = false;
private Container parent_;
private int oldWidth;
private int oldHeight;
RDRenderingOptions renderOptions_;
ColorMap cmap_;
/**
* Constructor
*/
public RDViewer(GrayScottController grayScott, Container parent) {
grayScott_ = grayScott;
parent_ = parent;
oldWidth = parent_.getWidth();
oldHeight = parent_.getHeight();
cmap_ = new RDColorMap();
renderOptions_ = new RDRenderingOptions();
}
public RDRenderingOptions getRenderingOptions() {
return renderOptions_;
}
/**
* @param fixed if true then the render area does not resize automatically.
*/
public void setUseFixedSize(boolean fixed) {
useFixedSize_ = fixed;
}
public boolean getUseFixedSize() {
return useFixedSize_;
}
public void setUseOffscreenRendering(boolean use) {
useOfflineRendering = use;
}
public boolean getUseOffScreenRendering() {
return useOfflineRendering;
}
public ColorMap getColorMap() {
return cmap_;
}
public void paint( Graphics g ) {
checkDimensions();
Graphics2D g2 = (Graphics2D) g;
getRenderer().render(g2);
}
/**
* Sets to new size if needed.
*/
private void checkDimensions() {
int w = FIXED_SIZE_DIM;
int h = FIXED_SIZE_DIM;
if (!useFixedSize_) {
w = parent_.getWidth();
h = parent_.getHeight();
}
initRenderers(w, h);
}
private void initRenderers(int w, int h) {
if (w != oldWidth || h != oldHeight) {
grayScott_.setSize(w, h);
onScreenRenderer_ = null;
offScreenRenderer_ = null;
oldWidth = w;
oldHeight = h;
}
}
private RDRenderer getOffScreenRenderer() {
if (offScreenRenderer_ == null) {
offScreenRenderer_ = new RDOffscreenRenderer(grayScott_.getModel(), cmap_, renderOptions_, parent_);
}
return offScreenRenderer_;
}
private RDRenderer getOnScreenRenderer() {
if (onScreenRenderer_ == null) {
onScreenRenderer_ = new RDOnscreenRenderer(grayScott_.getModel(), cmap_, renderOptions_);
}
return onScreenRenderer_;
}
private RDRenderer getRenderer() {
return (useOfflineRendering) ? getOffScreenRenderer() : getOnScreenRenderer();
}
}