1 files changed, 164 insertions, 0 deletions
diff --git a/.venv/lib/python3.12/site-packages/pypdf/generic/_viewerpref.py b/.venv/lib/python3.12/site-packages/pypdf/generic/_viewerpref.py
new file mode 100644
index 00000000..a12f2d44
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+++ b/.venv/lib/python3.12/site-packages/pypdf/generic/_viewerpref.py
@@ -0,0 +1,164 @@
+# Copyright (c) 2023, Pubpub-ZZ
+#
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+# * Redistributions of source code must retain the above copyright notice,
+# this list of conditions and the following disclaimer.
+# * Redistributions in binary form must reproduce the above copyright notice,
+# this list of conditions and the following disclaimer in the documentation
+# and/or other materials provided with the distribution.
+# * The name of the author may not be used to endorse or promote products
+# derived from this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+
+from typing import (
+    Any,
+    List,
+    Optional,
+)
+
+from ._base import BooleanObject, NameObject, NumberObject
+from ._data_structures import ArrayObject, DictionaryObject
+
+f_obj = BooleanObject(False)
+
+
+class ViewerPreferences(DictionaryObject):
+    def _get_bool(self, key: str, deft: Optional[BooleanObject]) -> BooleanObject:
+        return self.get(key, deft)
+
+    def _set_bool(self, key: str, v: bool) -> None:
+        self[NameObject(key)] = BooleanObject(v is True)
+
+    def _get_name(self, key: str, deft: Optional[NameObject]) -> Optional[NameObject]:
+        return self.get(key, deft)
+
+    def _set_name(self, key: str, lst: List[str], v: NameObject) -> None:
+        if v[0] != "/":
+            raise ValueError(f"{v} is not starting with '/'")
+        if lst != [] and v not in lst:
+            raise ValueError(f"{v} is not par of acceptable values")
+        self[NameObject(key)] = NameObject(v)
+
+    def _get_arr(self, key: str, deft: Optional[List[Any]]) -> NumberObject:
+        return self.get(key, None if deft is None else ArrayObject(deft))
+
+    def _set_arr(self, key: str, v: Optional[ArrayObject]) -> None:
+        if v is None:
+            try:
+                del self[NameObject(key)]
+            except KeyError:
+                pass
+            return
+        if not isinstance(v, ArrayObject):
+            raise ValueError("ArrayObject is expected")
+        self[NameObject(key)] = v
+
+    def _get_int(self, key: str, deft: Optional[NumberObject]) -> NumberObject:
+        return self.get(key, deft)
+
+    def _set_int(self, key: str, v: int) -> None:
+        self[NameObject(key)] = NumberObject(v)
+
+    @property
+    def PRINT_SCALING(self) -> NameObject:
+        return NameObject("/PrintScaling")
+
+    def __new__(cls: Any, value: Any = None) -> "ViewerPreferences":
+        def _add_prop_bool(key: str, deft: Optional[BooleanObject]) -> property:
+            return property(
+                lambda self: self._get_bool(key, deft),
+                lambda self, v: self._set_bool(key, v),
+                None,
+                f"""
+            Returns/Modify the status of {key}, Returns {deft} if not defined
+            """,
+            )
+
+        def _add_prop_name(
+            key: str, lst: List[str], deft: Optional[NameObject]
+        ) -> property:
+            return property(
+                lambda self: self._get_name(key, deft),
+                lambda self, v: self._set_name(key, lst, v),
+                None,
+                f"""
+            Returns/Modify the status of {key}, Returns {deft} if not defined.
+            Acceptable values: {lst}
+            """,
+            )
+
+        def _add_prop_arr(key: str, deft: Optional[ArrayObject]) -> property:
+            return property(
+                lambda self: self._get_arr(key, deft),
+                lambda self, v: self._set_arr(key, v),
+                None,
+                f"""
+            Returns/Modify the status of {key}, Returns {deft} if not defined
+            """,
+            )
+
+        def _add_prop_int(key: str, deft: Optional[int]) -> property:
+            return property(
+                lambda self: self._get_int(key, deft),
+                lambda self, v: self._set_int(key, v),
+                None,
+                f"""
+            Returns/Modify the status of {key}, Returns {deft} if not defined
+            """,
+            )
+
+        cls.hide_toolbar = _add_prop_bool("/HideToolbar", f_obj)
+        cls.hide_menubar = _add_prop_bool("/HideMenubar", f_obj)
+        cls.hide_windowui = _add_prop_bool("/HideWindowUI", f_obj)
+        cls.fit_window = _add_prop_bool("/FitWindow", f_obj)
+        cls.center_window = _add_prop_bool("/CenterWindow", f_obj)
+        cls.display_doctitle = _add_prop_bool("/DisplayDocTitle", f_obj)
+
+        cls.non_fullscreen_pagemode = _add_prop_name(
+            "/NonFullScreenPageMode",
+            ["/UseNone", "/UseOutlines", "/UseThumbs", "/UseOC"],
+            NameObject("/UseNone"),
+        )
+        cls.direction = _add_prop_name(
+            "/Direction", ["/L2R", "/R2L"], NameObject("/L2R")
+        )
+        cls.view_area = _add_prop_name("/ViewArea", [], None)
+        cls.view_clip = _add_prop_name("/ViewClip", [], None)
+        cls.print_area = _add_prop_name("/PrintArea", [], None)
+        cls.print_clip = _add_prop_name("/PrintClip", [], None)
+        cls.print_scaling = _add_prop_name("/PrintScaling", [], None)
+        cls.duplex = _add_prop_name(
+            "/Duplex", ["/Simplex", "/DuplexFlipShortEdge", "/DuplexFlipLongEdge"], None
+        )
+        cls.pick_tray_by_pdfsize = _add_prop_bool("/PickTrayByPDFSize", None)
+        cls.print_pagerange = _add_prop_arr("/PrintPageRange", None)
+        cls.num_copies = _add_prop_int("/NumCopies", None)
+
+        cls.enforce = _add_prop_arr("/Enforce", ArrayObject())
+
+        return DictionaryObject.__new__(cls)
+
+    def __init__(self, obj: Optional[DictionaryObject] = None) -> None:
+        super().__init__(self)
+        if obj is not None:
+            self.update(obj.items())
+        try:
+            self.indirect_reference = obj.indirect_reference  # type: ignore
+        except AttributeError:
+            pass