Modify file structure to separate python and cpp code (#223)

Modify code structure

python/fastdeploy/vision/visualize/__init__.py

@@ -0,0 +1,70 @@
+# Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from __future__ import absolute_import
+import logging
+from ... import c_lib_wrap as C
+
+
+def vis_detection(im_data,
+                  det_result,
+                  score_threshold=0.0,
+                  line_size=1,
+                  font_size=0.5):
+    return C.vision.Visualize.vis_detection(
+        im_data, det_result, score_threshold, line_size, font_size)
+
+
+def vis_face_detection(im_data, face_det_result, line_size=1, font_size=0.5):
+    return C.vision.Visualize.vis_face_detection(im_data, face_det_result,
+                                                 line_size, font_size)
+
+
+def vis_segmentation(im_data, seg_result):
+    return C.vision.Visualize.vis_segmentation(im_data, seg_result)
+
+
+def vis_matting_alpha(im_data,
+                      matting_result,
+                      remove_small_connected_area=False):
+    return C.vision.Visualize.vis_matting_alpha(im_data, matting_result,
+                                                remove_small_connected_area)
+
+
+def swap_background_matting(im_data,
+                            background,
+                            result,
+                            remove_small_connected_area=False):
+    assert isinstance(
+        result,
+        C.vision.MattingResult), "The result must be MattingResult type"
+    return C.vision.Visualize.swap_background_matting(
+        im_data, background, result, remove_small_connected_area)
+
+
+def swap_background_segmentation(im_data, background, background_label,
+                                 result):
+    assert isinstance(
+        result, C.vision.
+        SegmentationResult), "The result must be SegmentaitonResult type"
+    return C.vision.Visualize.swap_background_segmentation(
+        im_data, background, background_label, result)
+
+
+def remove_small_connected_area(alpha_pred_data, threshold):
+    assert len(alpha_pred_data.shape) == 3, "alpha has a (h, w, 1) shape"
+    return C.vision.Visualize.remove_small_connected_area(alpha_pred_data,
+                                                          threshold)
+def vis_ppocr(im_data, det_result):
+    return C.vision.Visualize.vis_ppocr(im_data, det_result)