def use(pkgname):
global have_opencv, cv2, cv2_resize
global have_opencl, trcalc_cl
if pkgname == 'opencv':
import cv2
have_opencv = True
cv2_resize = {
'nearest': cv2.INTER_NEAREST,
'linear': cv2.INTER_LINEAR,
'area': cv2.INTER_AREA,
'bicubic': cv2.INTER_CUBIC,
'lanczos': cv2.INTER_LANCZOS4,
}
if not 'nearest' in interpolation_methods:
interpolation_methods.extend(cv2_resize.keys())
interpolation_methods.sort()
elif pkgname == 'opencl':
try:
from ginga.opencl import CL
have_opencl = True
trcalc_cl = CL.CL('trcalc.cl')
except Exception as e:
raise ImportError(e)
def use(pkgname):
global have_opencl, trcalc_cl
global _use
if pkgname == 'opencv':
_use = 'opencv'
elif pkgname == 'pillow':
_use = 'pillow'
elif pkgname == 'opencl':
try:
from ginga.opencl import CL
have_opencl = True
_use = 'opencl'
trcalc_cl = CL.CL('trcalc.cl')
except Exception as e:
raise ImportError(e)