Add effect and marker initialization to Clip #2255

Job	Run time
cpp_build (ubuntu-latest)	1m 24s
py_build_test (ubuntu-latest, 3.7)	33s
cpp_build (windows-latest)	1m 39s
py_build_test (ubuntu-latest, 3.8)	30s
cpp_build (macos-13)	3m 44s
py_build_test (ubuntu-latest, 3.9)	27s
cpp_build (macos-latest)	2m 6s
py_build_test (ubuntu-latest, 3.10)	33s
py_build_test (ubuntu-latest, 3.11)	24s
py_build_test (ubuntu-latest, 3.12)	28s
py_build_test (windows-latest, 3.7)	26s
py_build_test (windows-latest, 3.8)	26s
py_build_test (windows-latest, 3.9)	26s
py_build_test (windows-latest, 3.10)	24s
py_build_test (windows-latest, 3.11)	25s
py_build_test (windows-latest, 3.12)	27s
py_build_test (macos-13, 3.7)	29s
py_build_test (macos-13, 3.8)	40s
py_build_test (macos-13, 3.9)	33s
py_build_test (macos-13, 3.10)	41s
py_build_test (macos-13, 3.11)	42s
py_build_test (macos-13, 3.12)	28s
py_build_test (macos-latest, 3.10)	34s
py_build_test (macos-latest, 3.11)	35s
py_build_test (macos-latest, 3.12)	29s
py_build_test (windows-latest, mingw64, msys2)	25s
package_sdist	0s
package_wheels	0s
	19m 58s

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