MemoryImagepublic class MemoryImage extends Applet
| Fields Summary |
|---|
| Image | i | | Image | j | | int | width | | int | height |
| Methods Summary |
|---|
| public void | init()
int rgbPixels[] = new int [width*height];
byte indPixels[] = new byte [width*height];
int index = 0;
Color colorArray[] = {Color.red, Color.orange, Color.yellow,
Color.green, Color.blue, Color.magenta};
int rangeSize = width / colorArray.length;
int colorRGB;
byte colorIndex;
byte reds[] = new byte[colorArray.length];
byte greens[] = new byte[colorArray.length];
byte blues[] = new byte[colorArray.length];
for (int i=0;i<colorArray.length;i++) {
reds[i] = (byte)colorArray[i].getRed();
greens[i] = (byte)colorArray[i].getGreen();
blues[i] = (byte)colorArray[i].getBlue();
}
for (int y=0;y<height;y++) {
for (int x=0;x<width;x++) {
if (x < rangeSize) {
colorRGB = Color.red.getRGB();
colorIndex = 0;
} else if (x < (rangeSize*2)) {
colorRGB = Color.orange.getRGB();
colorIndex = 1;
} else if (x < (rangeSize*3)) {
colorRGB = Color.yellow.getRGB();
colorIndex = 2;
} else if (x < (rangeSize*4)) {
colorRGB = Color.green.getRGB();
colorIndex = 3;
} else if (x < (rangeSize*5)) {
colorRGB = Color.blue.getRGB();
colorIndex = 4;
} else {
colorRGB = Color.magenta.getRGB();
colorIndex = 5;
}
rgbPixels[index] = colorRGB;
indPixels[index] = colorIndex;
index++;
}
}
i = createImage (new MemoryImageSource (width, height, rgbPixels,
0, width));
j = createImage (new MemoryImageSource (width, height,
new IndexColorModel (8, colorArray.length, reds, greens, blues),
indPixels, 0, width));
| | public void | paint(java.awt.Graphics g)
g.drawImage (i, 0, 0, this);
g.drawImage (j, width+5, 0, this);
|
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