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// Compiled from ImageViewerCanvas.java (version 1.4 : 48.0, super bit)
public class com.sun.activation.viewers.ImageViewerCanvas extends java.awt.Canvas {
...
// Method descriptor #25 ()Ljava/awt/Dimension;
// Stack: 5, Locals: 2
public java.awt.Dimension getPreferredSize();
0 aconst_null
1 astore_1 [d]
2 aload_0 [this]
3 getfield com.sun.activation.viewers.ImageViewerCanvas.canvas_image : java.awt.Image [2]
6 ifnonnull 26
9 new java.awt.Dimension [5]
12 dup
13 sipush 200
16 sipush 200
19 invokespecial java.awt.Dimension(int, int) [6]
22 astore_1 [d]
23 goto 50
26 new java.awt.Dimension [5]
29 dup
30 aload_0 [this]
31 getfield com.sun.activation.viewers.ImageViewerCanvas.canvas_image : java.awt.Image [2]
34 aload_0 [this]
35 invokevirtual java.awt.Image.getWidth(java.awt.image.ImageObserver) : int [7]
38 aload_0 [this]
39 getfield com.sun.activation.viewers.ImageViewerCanvas.canvas_image : java.awt.Image [2]
42 aload_0 [this]
43 invokevirtual java.awt.Image.getHeight(java.awt.image.ImageObserver) : int [8]
46 invokespecial java.awt.Dimension(int, int) [6]
49 astore_1 [d]
50 aload_1 [d]
51 areturn
Line numbers:
[pc: 0, line: 59]
[pc: 2, line: 61]
[pc: 9, line: 63]
[pc: 23, line: 64]
[pc: 26, line: 66]
[pc: 50, line: 69]
Local variable table:
[pc: 0, pc: 52] local: this index: 0 type: com.sun.activation.viewers.ImageViewerCanvas
[pc: 2, pc: 52] local: d index: 1 type: java.awt.Dimension
...
}
=>
public class com.sun.activation.viewers.ImageViewerCanvas extends java.awt.Canvas {
...
public java.awt.Dimension getPreferredSize() {
Dimension d = null;
if (this.canvas_image==null) {
d = new Dimension(200,200);
} else {
d = new Dimension(this.canvas_image.getWidth(this),
this.canvas_image.getHeight(this));
}
return d;
}
...
}
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(C) 1998-2017 Olaf Klischat <olaf.klischat@gmail.com>