Python Image.__getitem__ Examples

Example #1

File: magnify.py Project: martinforsythe/pypy-image-demo

class BilinImage(Image):
    def __getitem__(self, (x, y)):
        if isinstance(x, float) and isinstance(y, float):
            x0, x1 = int(floor(x)), int(ceil(x))
            y0, y1 = int(floor(y)), int(ceil(y))
            xoff, yoff = x - x0, y - y0
            return (1.0-xoff)*(1.0-yoff) * self[x0, y0] + \
                   (1.0-xoff)*(    yoff) * self[x0, y1] + \
                   (    xoff)*(1.0-yoff) * self[x1, y0] + \
                   (    xoff)*(    yoff) * self[x1, y1]
        else:
            return Image.__getitem__(self, (x, y))

Example #2

File: magnify.py Project: martinforsythe/pypy-image-demo

class NNImage(Image):
    def __getitem__(self, (x, y)):
        return Image.__getitem__(self, (int(x + 0.5), int(y + 0.5)))