TerrainCellRendererHelper.java

/*
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 * and open the template in the editor.
 */
package org.pepsoft.worldpainter.themes;

import java.awt.image.BufferedImage;
import java.util.HashMap;
import java.util.Map;
import javax.swing.ImageIcon;
import javax.swing.JLabel;
import org.pepsoft.worldpainter.ColourScheme;
import org.pepsoft.worldpainter.Terrain;

/**
 *
 * @author pepijn
 */
class TerrainCellRendererHelper {
    TerrainCellRendererHelper(ColourScheme colourScheme) {
        this.colourScheme = colourScheme;
    }
    
    void configure(JLabel label, Terrain terrain) {
        if (terrain != null) {
            BufferedImage image = terrain.getIcon(colourScheme);
            ImageIcon icon = iconCache.get(image);
            if (icon == null) {
                icon = new ImageIcon(image);
                iconCache.put(image, icon);
            }
            label.setIcon(icon);
            label.setText(terrain.getName());
        }
    }
    
    private final ColourScheme colourScheme;
    private final Map<BufferedImage, ImageIcon> iconCache = new HashMap<>();
}