def scale(ip, s):
""" Scale the image with the parameter scale = s """
imp = ImagePlus('scale', ip)
IJ.run(imp, "Scale...",
"x=" + str(s) + " y=" + str(s) + " interpolation=Bilinear average")
ip = imp.getProcessor()
w = ip.width
h = ip.height
cd = CanvasResizer()
ip = cd.expandImage(ip, int(round(s * w)), int(round(s * h)),
-int(round(
(1 - s) / 2 * w)), -int(round((1 - s) / 2 * h)))
return ip
def scaleLongSide(ip, longSide):
""" Scale the image with respect to the longSide parameter (new size along the long side of the image should equal the longSide parameter) """
w = ip.width
h = ip.height
l = max(w, h)
s = float(longSide) / l
imp = ImagePlus('scaleLongSide', ip)
IJ.run(imp, "Scale...",
"x=" + str(s) + " y=" + str(s) + " interpolation=Bilinear average")
ip = imp.getProcessor()
cd = CanvasResizer()
ip = cd.expandImage(ip, int(round(s * w)), int(round(s * h)),
-int(round(
(1 - s) / 2 * w)), -int(round((1 - s) / 2 * h)))
return ip, s
