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sinterface IBWIntegralImage extends MakesBufferedImage, IBWImage {
public int getWidth();
public int getHeight();
// implement one of the following two methods!
// integer version (both coordinates & brightnesses are ints)
public default int getIIValue(int x, int y) {
ret iround(getIIValue((double) x, (double) y));
}
// floating point version (both coordinates & brightnesses are doubles)
public default double getIIValue(double x, double y) {
ret getIIValue(ifloor(x), ifloor(y));
}
// 0.0 to 255.0
default public double getPixelAverage(int x1, int y1, int x2, int y2) {
int area = (x2-x1)*(y2-y1);
ret doubleRatio(getPixelSum(x1, y1, x2, y2), area);
}
default public dbl getPixelAverage(dbl x1, dbl y1, dbl x2, dbl y2) {
dbl area = (x2-x1)*(y2-y1);
ret doubleRatio(getPixelSum(x1, y1, x2, y2), area);
}
default public double getPixelAverage(Rect r) {
ret getPixelAverage(r.x, r.y, r.x2(), r.y2());
}
default public int getPixelSum(int x1, int y1, int x2, int y2) {
ret bwIntegralImage_sumRect(this, x1, y1, x2, y2);
}
default public double getPixelSum(double x1, double y1, double x2, double y2) {
ret bwIntegralImage_sumRect(this, x1, y1, x2, y2);
}
default public int getPixelBrightness(int x, int y) {
ret getPixelSum(x, y, x+1, y+1);
}
default public int getPixelBrightness(Pt p) { ret getPixelBrightness(p.x, p.y); }
public default BufferedImage getBufferedImage() {
//ret scaleDownUsingIntegralImageBW(this, w).getBufferedImage();
ret grayImageFromIBWIntegralImage(this);
}
// implementing IBWImage
public default float getFloatPixel(int x, int y) {
ret getPixelBrightness(x, y)/255f;
}
}