feat: add en/el/th ppocr_v5_rec_mobile paddle/onnx/openvino (#546)

* feat: add en/el/th ppocr_v5_rec_mobile paddle/onnx/openvino

* test: change to a more secure code

python/tests/test_vis.py

@@ -0,0 +1,49 @@
+# -*- encoding: utf-8 -*-
+# @Author: SWHL
+# @Contact: liekkaskono@163.com
+import sys
+from pathlib import Path
+
+import pytest
+
+root_dir = Path(__file__).resolve().parent.parent
+sys.path.append(str(root_dir))
+
+from rapidocr import RapidOCR
+
+tests_dir = root_dir / "tests" / "test_files"
+img_path = tests_dir / "ch_en_num.jpg"
+
+
+@pytest.fixture()
+def engine():
+    engine = RapidOCR()
+    return engine
+
+
+def test_vis_only_det(engine):
+    img_path = tests_dir / "ch_en_num.jpg"
+    result = engine(img_path, use_det=True, use_cls=False, use_rec=False)
+    vis_img = result.vis()
+    assert vis_img.shape[2] == 3
+
+
+def test_vis_only_rec(engine):
+    img_path = tests_dir / "text_rec.jpg"
+    result = engine(img_path, use_det=False, use_cls=False, use_rec=True)
+    vis_img = result.vis()
+    assert vis_img.shape[2] == 3
+
+
+def test_vis_only_cls(engine):
+    img_path = tests_dir / "text_rec.jpg"
+    result = engine(img_path, use_det=False, use_cls=True, use_rec=False)
+    vis_img = result.vis()
+    assert vis_img.shape[2] == 3
+
+
+def test_vis_det_cls_rec(engine):
+    img_path = tests_dir / "ch_en_num.jpg"
+    result = engine(img_path, use_det=True, use_cls=True, use_rec=True)
+    vis_img = result.vis()
+    assert vis_img.shape[2] == 3