GfxDemoCanvaspublic class GfxDemoCanvas extends Canvas | Fancier, Canvas-based Graphics Demo for Learning Tree Course 471/478
This subclass of Canvas does the drawing;
GfxDemo2 merely creates a Frame and adds the Canvas to it,
while PrintDemoGFx creates one of these and calls its paint()
method with a Printer Graphics object. |
| Fields Summary |
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| int | width | | int | height |
| Constructors Summary |
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GfxDemoCanvas(int w, int h)
setSize(width=w, height=h);
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| Methods Summary |
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| public java.awt.Dimension | getPreferredSize()
return new Dimension(width, height);
| | public void | paint(java.awt.Graphics g)
width = getSize().width;
height = getSize().height;
g.setColor(Color.black);
g.drawRect(0, 0, width-1, height-1);
g.setColor(Color.red);
g.fillRect(0, 0, width/2, height/2);
g.setColor(Color.blue);
g.drawString("Welcome to My Blue Heaven", (width/2)+10, (height/2)+10);
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