36 lines
1001 B
Java
36 lines
1001 B
Java
import java.awt.Color;
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public class MidPointCircle {
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private BasicBitmapStorage image;
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public MidPointCircle(final int imageWidth, final int imageHeight) {
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this.image = new BasicBitmapStorage(imageWidth, imageHeight);
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}
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private void drawCircle(final int centerX, final int centerY, final int radius) {
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int d = (5 - radius * 4)/4;
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int x = 0;
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int y = radius;
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Color circleColor = Color.white;
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do {
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image.setPixel(centerX + x, centerY + y, circleColor);
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image.setPixel(centerX + x, centerY - y, circleColor);
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image.setPixel(centerX - x, centerY + y, circleColor);
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image.setPixel(centerX - x, centerY - y, circleColor);
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image.setPixel(centerX + y, centerY + x, circleColor);
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image.setPixel(centerX + y, centerY - x, circleColor);
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image.setPixel(centerX - y, centerY + x, circleColor);
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image.setPixel(centerX - y, centerY - x, circleColor);
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if (d < 0) {
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d += 2 * x + 1;
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} else {
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d += 2 * (x - y) + 1;
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y--;
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}
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x++;
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} while (x <= y);
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}
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}
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