I'm converting the java code examples in Killer Game Programming in
Java by Andrew Davison to Clojure and am having great fun doing it.
But I've hit wall where I can't seem to get the code to work.
The following code moves an animated gif strip to a java array:
public BufferedImage[] loadStripImageArray(String fnm, int number)
{
if (number <= 0) {
System.out.println("number <= 0; returning null");
return null;
}
BufferedImage stripIm;
if ((stripIm = loadImage(fnm)) == null) {
System.out.println("Returning null");
return null;
}
int imWidth = (int) stripIm.getWidth() / number;
int height = stripIm.getHeight();
int transparency = stripIm.getColorModel().getTransparency();
BufferedImage[] strip = new BufferedImage[number];
Graphics2D stripGC;
// each BufferedImage from the strip file is stored in strip[]
for (int i=0; i < number; i++) {
strip[i] = gc.createCompatibleImage(imWidth, height,
transparency); <=====
// create a graphics context
stripGC = strip[i].createGraphics();
<=====
// stripGC.setComposite(AlphaComposite.Src);
// copy image
stripGC.drawImage(stripIm,
0,0, imWidth,height,
i*imWidth,0, (i*imWidth)+imWidth,height,
null);
stripGC.dispose();
}
return strip;
} // end of loadStripImageArray()
The problem I'm having is with the for loop. If I create an abject
array of say 6 buffered images, how do I reference the indexed image
array to match the lines pointed to? In other words what is the
equivalent of strip[i] in Clojure?
I'm not exactly a beginner, but this has stumped me.
Bill
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