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fix:提升缩略图处理速度

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Kakune55
2024-05-09 12:25:03 +08:00
parent 591bf9d5d8
commit 903f6fecfd
2 changed files with 14 additions and 8 deletions
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18
file.py
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@@ -67,14 +67,20 @@ def raedZip(bookid: str, index: int):
return str(e), "" return str(e), ""
def thumbnail(input, minSize: int = 600): def thumbnail(input, minSize: int = 600, encode:str="webp"):
img = cv2.imdecode(np.frombuffer(input, np.uint8), cv2.IMREAD_COLOR) img = cv2.imdecode(np.frombuffer(input, np.uint8), cv2.IMREAD_COLOR)
height = img.shape[0] # 图片高度 height = img.shape[0] # 图片高度
width = img.shape[1] # 图片宽度 width = img.shape[1] # 图片宽度
if height > width: if minSize < np.amin((height,width)):
newshape = (minSize, int(minSize / width * height)) if height > width:
newshape = (minSize, int(minSize / width * height))
else:
newshape = (int(minSize / height * width), minSize)
img = cv2.resize(img, newshape)
if encode == "webp":
success, encoded_image = cv2.imencode(".webp", img, [cv2.IMWRITE_WEBP_QUALITY, 75])
elif encode == "jpg":
success, encoded_image = cv2.imencode(".jpg", img, [cv2.IMWRITE_JPEG_QUALITY, 75])
else: else:
newshape = (int(minSize / height * width), minSize) return input
img = cv2.resize(img, newshape)
success, encoded_image = cv2.imencode(".webp", img, [cv2.IMWRITE_WEBP_QUALITY, 75])
return encoded_image.tobytes() return encoded_image.tobytes()

4
web/api_Img.py
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@@ -16,9 +16,9 @@ def img(bookid, index): # 图片接口
if isinstance(data, str): if isinstance(data, str):
abort(404) abort(404)
if request.args.get("mini") == "yes": if request.args.get("mini") == "yes":
data = file.thumbnail(data) data = file.thumbnail(data,encode="jpg")
else: else:
data = file.thumbnail(data,2400) data = file.thumbnail(data,1500,)
response = make_response(data) # 读取文件 response = make_response(data) # 读取文件
del data del data
response.headers.set("Content-Type", "image/Webp") response.headers.set("Content-Type", "image/Webp")