Transform Scale : Transform « 2D Graphics GUI « Java

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Java » 2D Graphics GUI » TransformScreenshots 
Transform Scale
Transform Scale
   

import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.RenderingHints;
import java.awt.Shape;
import java.awt.Stroke;
import java.awt.geom.AffineTransform;
import java.awt.geom.GeneralPath;
import java.awt.geom.Rectangle2D;

import javax.swing.JComponent;
import javax.swing.JFrame;

public class TransformScale extends JComponent {
  Shape axes, shape;

  int length = 54, arrowLength = 4, tickSize = 4;

  public TransformScale() {
    axes = createAxes();
    shape = createShape();
  }

  protected Shape createAxes() {
    GeneralPath path = new GeneralPath();

    // Axes.
    path.moveTo(-length, 0);
    path.lineTo(length, 0);
    path.moveTo(0, -length);
    path.lineTo(0, length);
    // Arrows.
    path.moveTo(length - arrowLength, -arrowLength);
    path.lineTo(length, 0);
    path.lineTo(length - arrowLength, arrowLength);
    path.moveTo(-arrowLength, length - arrowLength);
    path.lineTo(0, length);
    path.lineTo(arrowLength, length - arrowLength);
    // Half-centimeter tick marks
    float cm = 72 2.54f;
    float lengthCentimeter = length / cm;
    for (float i = 0.5f; i < lengthCentimeter; i += 1.0f) {
      float tick = i * cm;
      path.moveTo(tick, -tickSize / 2);
      path.lineTo(tick, tickSize / 2);
      path.moveTo(-tick, -tickSize / 2);
      path.lineTo(-tick, tickSize / 2);
      path.moveTo(-tickSize / 2, tick);
      path.lineTo(tickSize / 2, tick);
      path.moveTo(-tickSize / 2, -tick);
      path.lineTo(tickSize / 2, -tick);
    }
    // Full-centimeter tick marks
    for (float i = 1.0f; i < lengthCentimeter; i += 1.0f) {
      float tick = i * cm;
      path.moveTo(tick, -tickSize);
      path.lineTo(tick, tickSize);
      path.moveTo(-tick, -tickSize);
      path.lineTo(-tick, tickSize);
      path.moveTo(-tickSize, tick);
      path.lineTo(tickSize, tick);
      path.moveTo(-tickSize, -tick);
      path.lineTo(tickSize, -tick);
    }
    return path;
  }

  protected Shape createShape() {
    float cm = 72 2.54f;
    return new Rectangle2D.Float(cm, cm, * cm, cm);
  }

  public void paint(Graphics g) {
    Graphics2D g2 = (Graphics2Dg;

    // Use antialiasing.
    g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
        RenderingHints.VALUE_ANTIALIAS_ON);

    // Move the origin to 75, 75.
    AffineTransform at = AffineTransform.getTranslateInstance(7575);
    g2.transform(at);

    // Draw the shapes in their original locations.
    g2.setPaint(Color.black);
    g2.draw(axes);
    g2.draw(shape);

    // Transform the Graphics2D.
      g2.transform(AffineTransform.getScaleInstance(33));

    // Draw the "new" shapes in dashed.
      g2.transform(AffineTransform.getTranslateInstance(7575));
      
    Stroke stroke = new BasicStroke(1, BasicStroke.CAP_BUTT,
        BasicStroke.JOIN_BEVEL, 0new float[] { 3}0);
    g2.setStroke(stroke);
    g2.draw(axes);
    g2.draw(shape);
  }

  public static void main(String[] a) {
    JFrame f = new JFrame();
    f.getContentPane().add(new TransformScale());
    f.setSize(650550);
    f.show();
  }
}

           
         
    
    
  
Related examples in the same category
1.Coordinate DemoCoordinate Demo
2.Rotation and coordinate translation
3.Scaling an object
4.Transform DemoTransform Demo
5.Transform ShearTransform Shear
6.Transform Rotation Translation Transform Rotation Translation
7.Transforme Rotation demoTransforme Rotation demo
8.Transform Translation and RotationTransform Translation and Rotation
9.Transform Translated RotationTransform Translated Rotation
10.Transform TranslationTransform Translation
11.Line transformation, rotation, shear,scale Line transformation, rotation, shear,scale
12.AffineTransform demoAffineTransform demo
13.Scaling a Drawn Image
14.Shearing a Drawn Image
15.Translating a Drawn Image
16.Rotating a Drawn Image
17.Create an complex shape by rotating an ellipse.
18.Scaling a Shape with AffineTransform
19.Shearing a Shape with AffineTransform
20.Perform shearing: use share() method.
21.Translating a Shape with AffineTransform
22.Rotating a Shape with AffineTransform
23.Rotating image using Java 2D AffineTransform class
24.Rotates a shape about the specified coordinates.
25.Resizes or translates a Shape
26.Creates and returns a translated shape.
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