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support chinese in draw_bbox #8596

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support chinese in draw_bbox #8596

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26 changes: 17 additions & 9 deletions deploy/python/visualize.py
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Original file line number Diff line number Diff line change
Expand Up @@ -19,18 +19,21 @@
import math
import numpy as np
import PIL
from PIL import Image, ImageDraw, ImageFile
from PIL import Image, ImageDraw, ImageFile, ImageFont
ImageFile.LOAD_TRUNCATED_IMAGES = True

def imagedraw_textsize_c(draw, text):
from ppdet.utils.download import get_path


def imagedraw_textsize_c(draw, text, font=None):
if int(PIL.__version__.split('.')[0]) < 10:
tw, th = draw.textsize(text)
tw, th = draw.textsize(text, font=font)
else:
left, top, right, bottom = draw.textbbox((0, 0), text)
left, top, right, bottom = draw.textbbox((0, 0), text, font=font)
tw, th = right - left, bottom - top

return tw, th


def visualize_box_mask(im, results, labels, threshold=0.5):
"""
Expand Down Expand Up @@ -134,6 +137,11 @@ def draw_box(im, np_boxes, labels, threshold=0.5):
Returns:
im (PIL.Image.Image): visualized image
"""
font_url = "https://paddledet.bj.bcebos.com/simfang.ttf"
font_path, _ = get_path(font_url, "~/.cache/paddle/")
font_size = 18
font = ImageFont.truetype(font_path, font_size, encoding="utf-8")

draw_thickness = min(im.size) // 320
draw = ImageDraw.Draw(im)
clsid2color = {}
Expand Down Expand Up @@ -169,10 +177,10 @@ def draw_box(im, np_boxes, labels, threshold=0.5):

# draw label
text = "{} {:.4f}".format(labels[clsid], score)
tw, th = imagedraw_textsize_c(draw, text)
tw, th = imagedraw_textsize_c(draw, text, font=font)
draw.rectangle(
[(xmin + 1, ymin - th), (xmin + tw + 1, ymin)], fill=color)
draw.text((xmin + 1, ymin - th), text, fill=(255, 255, 255))
draw.text((xmin + 1, ymin - th), text, fill=(255, 255, 255), font=font)
return im


Expand Down Expand Up @@ -399,7 +407,7 @@ def visualize_action(im,
id_action_dict[pid] = id_action_dict.get(pid, [])
id_action_dict[pid].append(action_type)
for mot_box in mot_boxes:
# mot_box is a format with [mot_id, class, score, xmin, ymin, w, h]
# mot_box is a format with [mot_id, class, score, xmin, ymin, w, h]
if mot_box[0] in id_action_dict:
text_position = (int(mot_box[3] + mot_box[5] * 0.75),
int(mot_box[4] - 10))
Expand Down Expand Up @@ -646,4 +654,4 @@ def imshow_lanes(img, lanes, show=False, out_file=None, width=4):
if out_file:
if not os.path.exists(os.path.dirname(out_file)):
os.makedirs(os.path.dirname(out_file))
cv2.imwrite(out_file, img)
cv2.imwrite(out_file, img)