awtcalligraphic2dbufferrenderer.java

基于java的3d开发库。对坐java3d的朋友有很大的帮助。

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//=-------------------------------------------------------------------------=
//= Module history:                                                         =
//= - December 29 2007 - Oscar Chavarro: Original base version              =
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package vsdk.toolkit.render.awt;

// Awt classes
import java.awt.Color;
import java.awt.Graphics;

// VitralSDK classes
import vsdk.toolkit.common.VSDK;
import vsdk.toolkit.common.Vector3D;
import vsdk.toolkit.media.Calligraphic2DBuffer;

public class AwtCalligraphic2DBufferRenderer extends AwtRenderer
{
    public static void draw(Graphics g, Calligraphic2DBuffer lineSet,
			    int xx0, int yy0, int dx, int dy)
    {
        g.setColor(
            new Color( VSDK.signedByte2unsignedInteger((byte)0), 
                       VSDK.signedByte2unsignedInteger((byte)0), 
                       VSDK.signedByte2unsignedInteger((byte)0) )
        );

        Vector3D p0 = new Vector3D();
        Vector3D p1 = new Vector3D();
        int x0, y0, x1, y1;
        int i;
        double xt = dx;
        double yt = dy;

	for ( i = 0; i < lineSet.getNumLines(); i++ ) {
	    lineSet.get2DLine(i, p0, p1);
            x0 = (int)((xt-1)*((p0.x+1)/2));
            y0 = (int)((yt-1)*(1-((p0.y+1)/2)));
            x1 = (int)((xt-1)*((p1.x+1)/2));
            y1 = (int)((yt-1)*(1-((p1.y+1)/2)));
            g.drawLine(xx0 + x0, yy0 + y0, xx0 + x1, yy0 + y1);
	}
    }
}

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//= EOF                                                                     =
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