from __future__ import annotations
import io
from typing import List, Iterator, Tuple, Optional, Any, TYPE_CHECKING, Callable
from ctypes import *
from datetime import datetime
from numbers import Number
from pdftools_sdk.internal import _lib
from pdftools_sdk.internal.utils import _string_to_utf16, _utf16_to_string
from pdftools_sdk.internal.streams import _StreamDescriptor, _NativeStream
from pdftools_sdk.internal.native_base import _NativeBase
from pdftools_sdk.internal.native_object import _NativeObject
from abc import ABC
import pdftools_sdk.internal
[docs]
class ImageMapping(_NativeObject, ABC):
"""
The base class for image mappings
The image mapping specifies how an input image is transformed and placed
onto the output PDF page.
"""
@staticmethod
def _create_dynamic_type(handle):
_lib.PdfToolsImage2Pdf_ImageMapping_GetType.argtypes = [c_void_p]
_lib.PdfToolsImage2Pdf_ImageMapping_GetType.restype = c_int
obj_type = _lib.PdfToolsImage2Pdf_ImageMapping_GetType(handle)
# Create and return the object based on the type
if obj_type == 0:
return ImageMapping._from_handle(handle)
elif obj_type == 1:
from pdftools_sdk.image2_pdf.auto import Auto
return Auto._from_handle(handle)
elif obj_type == 2:
from pdftools_sdk.image2_pdf.shrink_to_page import ShrinkToPage
return ShrinkToPage._from_handle(handle)
elif obj_type == 3:
from pdftools_sdk.image2_pdf.shrink_to_fit import ShrinkToFit
return ShrinkToFit._from_handle(handle)
elif obj_type == 4:
from pdftools_sdk.image2_pdf.shrink_to_portrait import ShrinkToPortrait
return ShrinkToPortrait._from_handle(handle)
else:
return None
@classmethod
def _from_handle(cls, handle):
"""
Internal factory method for constructing an instance using an internal handle.
This method creates an instance of the class by bypassing the public constructor.
"""
instance = ImageMapping.__new__(cls) # Bypass __init__
instance._initialize(handle)
return instance
def _initialize(self, handle):
super()._initialize(handle)