[CVCUDA] wrap C processors in Python API (#1576)

* wrap C ops in Python API

* add comments

* change processor create style

* processors class inherit

tutorials/vision_processor/python/preprocess.py

@@ -2,6 +2,7 @@ import fastdeploy as fd
 import cv2
 
 from fastdeploy.vision.common.manager import PyProcessorManager
+from fastdeploy.vision.common.processors import *
 
 
 def parse_arguments():
@@ -20,29 +21,18 @@ class CustomProcessor(PyProcessorManager):
     def __init__(self) -> None:
         super().__init__()
         # create op
-        hw = [500, 500]
-        self.resize_op = fd.C.vision.processors.ResizeByShort(100, 1, True, hw)
-
-        mean = [0.485, 0.456, 0.406]
-        std = [0.229, 0.224, 0.225]
-        is_scale = True
-        min = []
-        max = []
-        swap_rb = False
-        self.normalize_permute_op = fd.C.vision.processors.NormalizeAndPermute(
-            mean, std, is_scale, min, max, swap_rb)
-
-        width = 50
-        height = 50
-        self.centercrop_op = fd.C.vision.processors.CenterCrop(width, height)
-
-        top = 5
-        bottom = 5
-        left = 5
-        right = 5
-        pad_value = [225, 225, 225]
-        self.pad_op = fd.C.vision.processors.Pad(top, bottom, left, right,
-                                                 pad_value)
+        self.resize_op = ResizeByShort(
+            target_size=100, interp=1, use_scale=True, max_hw=[500, 500])
+        self.normalize_permute_op = NormalizeAndPermute(
+            mean=[0.485, 0.456, 0.406],
+            std=[0.229, 0.224, 0.225],
+            is_scale=True,
+            min=[],
+            max=[],
+            swap_rb=False)
+        self.centercrop_op = CenterCrop(width=50, height=50)
+        self.pad_op = Pad(
+            top=5, bottom=5, left=5, right=5, value=[225, 225, 225])
 
     def apply(self, image_batch):
         outputs = []