word_renderer.py 文件源码

def surface_distortions(self, arr):
        ds = self.surfdiststate.get_sample()
        blur = ds['blur']

        origarr = arr.copy()
        arr = n.minimum(n.maximum(0, arr + n.random.normal(0, ds['noise'], arr.shape)), 255)
        # make some changes to the alpha
        arr[...,1] = ndimage.gaussian_filter(arr[...,1], ds['blur'])
        ds = self.surfdiststate.get_sample()
        arr[...,0] = ndimage.gaussian_filter(arr[...,0], ds['blur'])
        if ds['sharpen']:
            newarr_ = ndimage.gaussian_filter(origarr[...,0], blur/2)
            arr[...,0] = arr[...,0] + ds['sharpen_amount']*(arr[...,0] - newarr_)

        return arr