Video-Gen / modules /utils.py
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Create modules/utils.py
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import cv2
import numpy as np
import os
from PIL import ImageFont
def parse_color(color_str, default=(255, 255, 255)):
color_map = {
"gold": (255, 215, 0), "red": (255, 60, 60), "blue": (60, 120, 255),
"white": (255, 255, 255), "black": (0, 0, 0), "cyan": (0, 255, 255),
"magenta": (255, 0, 255), "yellow": (255, 255, 0), "orange": (255, 165, 0),
"pink": (255, 105, 180), "lime": (50, 255, 50),
}
if color_str.lower() in color_map:
return color_map[color_str.lower()]
if color_str.startswith("#") and len(color_str) == 7:
try:
return (int(color_str[1:3], 16), int(color_str[3:5], 16), int(color_str[5:7], 16))
except:
pass
return default
def get_chinese_font():
fonts = [
"/usr/share/fonts/truetype/noto/NotoSansCJK-Regular.ttc",
"/usr/share/fonts/opentype/noto/NotoSansCJK-Regular.ttc",
"/usr/share/fonts/noto-cjk/NotoSansCJK-Regular.ttc",
"/usr/share/fonts/truetype/wqy/wqy-zenhei.ttc",
"/usr/share/fonts/truetype/wqy/wqy-microhei.ttc",
"NotoSansCJK-Regular.ttc",
]
for f in fonts:
if os.path.exists(f):
return f
return None
def get_title_font(font_path, size):
try:
return ImageFont.truetype(font_path, size) if font_path else ImageFont.load_default()
except:
return ImageFont.load_default()
def fit_image_to_canvas(img, target_w, target_h):
h, w = img.shape[:2]
scale = min(target_w / w, target_h / h)
new_w, new_h = int(w * scale), int(h * scale)
resized = cv2.resize(img, (new_w, new_h))
canvas = np.zeros((target_h, target_w, 3), dtype=np.uint8)
x_offset, y_offset = (target_w - new_w) // 2, (target_h - new_h) // 2
canvas[y_offset:y_offset + new_h, x_offset:x_offset + new_w] = resized
return canvas
def ken_burns_crop(img, progress, w_out, h_out):
h, w = img.shape[:2]
zoom = 1.0 + 0.15 * progress
crop_w, crop_h = w_out / zoom, h_out / zoom
dx = max(0, min((w - crop_w) * progress, w - crop_w)) if w > crop_w else 0
dy = max(0, min((h - crop_h) * progress, h - crop_h)) if h > crop_h else 0
crop = img[int(dy):int(dy + crop_h), int(dx):int(dx + crop_w)]
return cv2.resize(crop, (w_out, h_out))
def apply_cinemascope(frame, bar_height_ratio=0.08):
h = frame.shape[0]
bar_h = int(h * bar_height_ratio)
frame[:bar_h, :] = 0
frame[h - bar_h:, :] = 0
return frame