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# coding: utf-8
__author__ = 'cleardusk'
import sys
sys.path.append('..')
import cv2
import numpy as np
from Sim3DR import RenderPipeline
from utils.functions import plot_image
from .tddfa_util import _to_ctype
cfg = {
'intensity_ambient': 0.3,
'color_ambient': (1, 1, 1),
'intensity_directional': 0.6,
'color_directional': (1, 1, 1),
'intensity_specular': 0.1,
'specular_exp': 5,
'light_pos': (0, 0, 5),
'view_pos': (0, 0, 5)
}
render_app = RenderPipeline(**cfg)
def render(img, ver_lst, tri, alpha=0.6, show_flag=False, wfp=None, with_bg_flag=True):
if with_bg_flag:
overlap = img.copy()
else:
overlap = np.zeros_like(img)
for ver_ in ver_lst:
ver = _to_ctype(ver_.T) # transpose
overlap = render_app(ver, tri, overlap)
if with_bg_flag:
res = cv2.addWeighted(img, 1 - alpha, overlap, alpha, 0)
else:
res = overlap
if wfp is not None:
cv2.imwrite(wfp, res)
print(f'Save visualization result to {wfp}')
if show_flag:
plot_image(res)
return res
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