GC Creation : 2D « SWT JFace Eclipse « Java






  1. Java
  2. SWT JFace Eclipse
  3. 2D

GC Creation

 

/******************************************************************************
 * All Right Reserved. 
 * Copyright (c) 1998, 2004 Jackwind Li Guojie
 * 
 * Created on 2004-4-18 15:03:44 by JACK
 * $Id$
 * 
 *****************************************************************************/
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.CLabel;
import org.eclipse.swt.graphics.GC;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;

/**
 * 
 */
public class GCCreation {
  Display display = new Display();
  Shell shell = new Shell(display);

  public GCCreation() {
    Image image = new Image(display, "java2s.gif");
    
    // Clones the image. 
    Image image2 = new Image(display, image.getImageData());
    // Draws an oval
    GC gc = new GC(image2);
    gc.setForeground(display.getSystemColor(SWT.COLOR_WHITE));
    gc.drawOval(10, 10, 90, 40);
    gc.dispose();
    
    CLabel label = new CLabel(shell, SWT.NULL);
    label.setImage(image);
    label.setBounds(10, 10, 130, 130);
    
    CLabel label2 = new CLabel(shell, SWT.NULL);
    label2.setImage(image2);
    label2.setBounds(150, 10, 130, 130);

    shell.pack();
    shell.open();
    //textUser.forceFocus();

    // Set up the event loop.
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch()) {
        // If no more entries in event queue
        display.sleep();
      }
    }

    display.dispose();
  }


  public static void main(String[] args) {
    new GCCreation();
  }
}








Related examples in the same category

1.SWT 2D Chart: FlowchartSWT 2D Chart: Flowchart
2.Use of Java2D on SWT or Draw2D graphical contextUse of Java2D on SWT or Draw2D graphical context
3.SWT 2D UnicodeSWT 2D Unicode
4.SWT 2D Simple DemoSWT 2D Simple Demo
5.SWT Draw 2DSWT Draw 2D
6.SWT Draw2D Example
7.XORXOR
8.Animations ExampleAnimations Example
9.Alpha Fade InAlpha Fade In
10.DrawingsDrawings
11.Draw Text DemoDraw Text Demo
12.PalettesPalettes
13.TransparencyTransparency
14.Draw2D SampleDraw2D Sample
15.Class AnalyzerClass Analyzer
16.Demonstrates animation. It uses double buffering.Demonstrates animation. It uses double buffering.
17.Demonstrates drawing an ArcDemonstrates drawing an Arc
18.Demonstrates drawing polygonsDemonstrates drawing polygons
19.Demonstrates drawing points. It draws a sine waveDemonstrates drawing points. It draws a sine wave
20.Draw Round RectangleDraw Round Rectangle
21.Displays information about the display deviceDisplays information about the display device
22.Demonstrates the effects of the flags on the constructorDemonstrates the effects of the flags on the constructor
23.Demonstrates how to draw vertical textDemonstrates how to draw vertical text
24.Utility methods for drawing graphics
25.Demonstrates drawing linesDemonstrates drawing lines
26.Demonstrates animationDemonstrates animation
27.Demonstrates how to draw textDemonstrates how to draw text
28.Demonstrates drawing ovalsDemonstrates drawing ovals
29.Demonstrates how to draw text in colorsDemonstrates how to draw text in colors
30.SWT Paint Example
31.SWT Graphics ExampleSWT Graphics Example
32.SWT OpenGL snippet: draw a square
33.Drawing with transformations, paths and alpha blendingDrawing with transformations, paths and alpha blending
34.Draw lines and polygons with different cap and join stylesDraw lines and polygons with different cap and join styles
35.GC: implement a simple scribble programGC: implement a simple scribble program
36.GC: measure a stringGC: measure a string
37.GC example: draw a thick lineGC example: draw a thick line
38.How to draw directly on an SWT ControlHow to draw directly on an SWT Control
39.SWT useful utilities