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ItemPainter.java

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package org.netbeans.lib.profiler.charts;

import org.netbeans.lib.profiler.charts.swing.LongRect;
import java.awt.Graphics2D;
import java.awt.Rectangle;
import java.util.List;

/**
 *
 * @author Jiri Sedlacek
 */
00055 public interface ItemPainter {

    // --- Item bounds ---------------------------------------------------------

    // General item bounds without decorations, data space [0, 0]-based
    public LongRect getItemBounds(ChartItem item);

    // Concrete item bounds for given ChartContext, display space
    public LongRect getItemBounds(ChartItem item, ChartContext context);


    // --- Item change support -------------------------------------------------

    public boolean isBoundsChange(ChartItemChange itemChange);

    public boolean isAppearanceChange(ChartItemChange itemChange);

    public LongRect getDirtyBounds(ChartItemChange itemChange, ChartContext context);


    // --- Item location -------------------------------------------------------

    public boolean supportsHovering(ChartItem item);

    public boolean supportsSelecting(ChartItem item);

    public LongRect getSelectionBounds(ItemSelection selection, ChartContext context);

    public ItemSelection getClosestSelection(ChartItem item, int viewX, int viewY, ChartContext context);


    // --- Item appearance -----------------------------------------------------
    
    public void paintItem(ChartItem item, List<ItemSelection> highlighted,
                          List<ItemSelection> selected, Graphics2D g,
                          Rectangle dirtyArea, ChartContext context);

}

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