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package org.ejtools.graph.renderer;
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import java.awt.Graphics;
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import java.awt.Insets;
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import org.ejtools.graph.GraphRenderer;
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public class DefaultGraphRenderer extends AbstractGraphRenderer
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{
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public DefaultGraphRenderer()
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{
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super();
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}
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protected void paintComponent(Graphics graphics)
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{
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double minX = element.getXRange().getMin();
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double maxX = element.getXRange().getMax();
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double minY = element.getYRange().getMin();
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double maxY = element.getYRange().getMax();
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Insets insets = this.getInsets();
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int x = insets.left;
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int y = insets.top;
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double width = (double) this.getWidth() - 1 - insets.left - insets.right;
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double height = (double) this.getHeight() - 1 - insets.top - insets.bottom;
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double scaleX = width / (maxX - minX);
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double scaleY = -height / (maxY - minY);
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double offsetX = x - scaleX * minX;
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double offsetY = y - scaleY * maxY;
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if (this.horizontalScaling == GraphRenderer.ALIGN_LEFT)
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{
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scaleX = 1.0d;
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offsetX = -minX;
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}
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if (this.horizontalScaling == GraphRenderer.ALIGN_RIGHT)
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{
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scaleX = 1.0d;
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offsetX = width - maxX;
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}
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this.element.draw(graphics, scaleX, offsetX, scaleY, offsetY);
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}
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}
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