Source code for pypdf.generic

# Copyright (c) 2006, Mathieu Fenniak
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#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
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# this list of conditions and the following disclaimer.
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# this list of conditions and the following disclaimer in the documentation
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"""Implementation of generic PDF objects (dictionary, number, string, ...)."""
__author__ = "Mathieu Fenniak"
__author_email__ = "biziqe@mathieu.fenniak.net"

from typing import Dict, List, Optional, Tuple, Union

from .._utils import StreamType, deprecate_with_replacement
from ..constants import OutlineFontFlag
from ._base import (
    BooleanObject,
    ByteStringObject,
    FloatObject,
    IndirectObject,
    NameObject,
    NullObject,
    NumberObject,
    PdfObject,
    TextStringObject,
    encode_pdfdocencoding,
)
from ._data_structures import (
    ArrayObject,
    ContentStream,
    DecodedStreamObject,
    Destination,
    DictionaryObject,
    EncodedStreamObject,
    Field,
    StreamObject,
    TreeObject,
    read_object,
)
from ._fit import Fit
from ._outline import OutlineItem
from ._rectangle import RectangleObject
from ._utils import (
    create_string_object,
    decode_pdfdocencoding,
    hex_to_rgb,
    read_hex_string_from_stream,
    read_string_from_stream,
)
from ._viewerpref import ViewerPreferences


def readHexStringFromStream(
    stream: StreamType,
) -> Union["TextStringObject", "ByteStringObject"]:  # deprecated
    """Deprecated, use read_hex_string_from_stream."""
    deprecate_with_replacement(
        "readHexStringFromStream", "read_hex_string_from_stream", "4.0.0"
    )
    return read_hex_string_from_stream(stream)


def readStringFromStream(
    stream: StreamType,
    forced_encoding: Union[None, str, List[str], Dict[int, str]] = None,
) -> Union["TextStringObject", "ByteStringObject"]:  # deprecated
    """Deprecated, use read_string_from_stream."""
    deprecate_with_replacement(
        "readStringFromStream", "read_string_from_stream", "4.0.0"
    )
    return read_string_from_stream(stream, forced_encoding)


def createStringObject(
    string: Union[str, bytes],
    forced_encoding: Union[None, str, List[str], Dict[int, str]] = None,
) -> Union[TextStringObject, ByteStringObject]:  # deprecated
    """Deprecated, use create_string_object."""
    deprecate_with_replacement("createStringObject", "create_string_object", "4.0.0")
    return create_string_object(string, forced_encoding)


PAGE_FIT = Fit.fit()


[docs]class AnnotationBuilder: """ The AnnotationBuilder is deprecated. Instead, use the annotation classes in pypdf.annotations. See `adding PDF annotations <../user/adding-pdf-annotations.html>`_ for it's usage combined with PdfWriter. """ from ..generic._rectangle import RectangleObject
[docs] @staticmethod def text( rect: Union[RectangleObject, Tuple[float, float, float, float]], text: str, open: bool = False, flags: int = 0, ) -> DictionaryObject: """ Add text annotation. Args: rect: array of four integers ``[xLL, yLL, xUR, yUR]`` specifying the clickable rectangular area text: The text that is added to the document open: flags: Returns: A dictionary object representing the annotation. """ deprecate_with_replacement( "AnnotationBuilder.text", "pypdf.annotations.Text", "4.0.0" ) from ..annotations import Text return Text(rect=rect, text=text, open=open, flags=flags)
[docs] @staticmethod def free_text( text: str, rect: Union[RectangleObject, Tuple[float, float, float, float]], font: str = "Helvetica", bold: bool = False, italic: bool = False, font_size: str = "14pt", font_color: str = "000000", border_color: Optional[str] = "000000", background_color: Optional[str] = "ffffff", ) -> DictionaryObject: """ Add text in a rectangle to a page. Args: text: Text to be added rect: array of four integers ``[xLL, yLL, xUR, yUR]`` specifying the clickable rectangular area font: Name of the Font, e.g. 'Helvetica' bold: Print the text in bold italic: Print the text in italic font_size: How big the text will be, e.g. '14pt' font_color: Hex-string for the color, e.g. cdcdcd border_color: Hex-string for the border color, e.g. cdcdcd. Use ``None`` for no border. background_color: Hex-string for the background of the annotation, e.g. cdcdcd. Use ``None`` for transparent background. Returns: A dictionary object representing the annotation. """ deprecate_with_replacement( "AnnotationBuilder.free_text", "pypdf.annotations.FreeText", "4.0.0" ) from ..annotations import FreeText return FreeText( text=text, rect=rect, font=font, bold=bold, italic=italic, font_size=font_size, font_color=font_color, background_color=background_color, border_color=border_color, )
[docs] @staticmethod def popup( *, rect: Union[RectangleObject, Tuple[float, float, float, float]], flags: int = 0, parent: Optional[DictionaryObject] = None, open: bool = False, ) -> DictionaryObject: """ Add a popup to the document. Args: rect: Specifies the clickable rectangular area as `[xLL, yLL, xUR, yUR]` flags: 1 - invisible, 2 - hidden, 3 - print, 4 - no zoom, 5 - no rotate, 6 - no view, 7 - read only, 8 - locked, 9 - toggle no view, 10 - locked contents open: Whether the popup should be shown directly (default is False). parent: The contents of the popup. Create this via the AnnotationBuilder. Returns: A dictionary object representing the annotation. """ deprecate_with_replacement( "AnnotationBuilder.popup", "pypdf.annotations.Popup", "4.0.0" ) from ..annotations import Popup popup = Popup(rect=rect, open=open, parent=parent) popup.flags = flags # type: ignore return popup
[docs] @staticmethod def line( p1: Tuple[float, float], p2: Tuple[float, float], rect: Union[RectangleObject, Tuple[float, float, float, float]], text: str = "", title_bar: Optional[str] = None, ) -> DictionaryObject: """ Draw a line on the PDF. Args: p1: First point p2: Second point rect: array of four integers ``[xLL, yLL, xUR, yUR]`` specifying the clickable rectangular area text: Text to be displayed as the line annotation title_bar: Text to be displayed in the title bar of the annotation; by convention this is the name of the author Returns: A dictionary object representing the annotation. """ deprecate_with_replacement( "AnnotationBuilder.line", "pypdf.annotations.Line", "4.0.0" ) from ..annotations import Line return Line(p1=p1, p2=p2, rect=rect, text=text, title_bar=title_bar)
[docs] @staticmethod def polyline( vertices: List[Tuple[float, float]], ) -> DictionaryObject: """ Draw a polyline on the PDF. Args: vertices: Array specifying the vertices (x, y) coordinates of the poly-line. Returns: A dictionary object representing the annotation. """ deprecate_with_replacement( "AnnotationBuilder.polyline", "pypdf.annotations.PolyLine", "4.0.0" ) from ..annotations import PolyLine return PolyLine(vertices=vertices)
[docs] @staticmethod def rectangle( rect: Union[RectangleObject, Tuple[float, float, float, float]], interiour_color: Optional[str] = None, ) -> DictionaryObject: """ Draw a rectangle on the PDF. This method uses the /Square annotation type of the PDF format. Args: rect: array of four integers ``[xLL, yLL, xUR, yUR]`` specifying the clickable rectangular area interiour_color: None or hex-string for the color, e.g. cdcdcd If None is used, the interiour is transparent. Returns: A dictionary object representing the annotation. """ deprecate_with_replacement( "AnnotationBuilder.rectangle", "pypdf.annotations.Rectangle", "4.0.0" ) from ..annotations import Rectangle return Rectangle(rect=rect, interiour_color=interiour_color)
[docs] @staticmethod def highlight( *, rect: Union[RectangleObject, Tuple[float, float, float, float]], quad_points: ArrayObject, highlight_color: str = "ff0000", ) -> DictionaryObject: """ Add a highlight annotation to the document. Args: rect: Array of four integers ``[xLL, yLL, xUR, yUR]`` specifying the highlighted area quad_points: An ArrayObject of 8 FloatObjects. Must match a word or a group of words, otherwise no highlight will be shown. highlight_color: The color used for the highlight. Returns: A dictionary object representing the annotation. """ deprecate_with_replacement( "AnnotationBuilder.highlight", "pypdf.annotations.Highlight", "4.0.0" ) from ..annotations import Highlight return Highlight( rect=rect, quad_points=quad_points, highlight_color=highlight_color )
[docs] @staticmethod def ellipse( rect: Union[RectangleObject, Tuple[float, float, float, float]], interiour_color: Optional[str] = None, ) -> DictionaryObject: """ Draw a rectangle on the PDF. This method uses the /Circle annotation type of the PDF format. Args: rect: array of four integers ``[xLL, yLL, xUR, yUR]`` specifying the bounding box of the ellipse interiour_color: None or hex-string for the color, e.g. cdcdcd If None is used, the interiour is transparent. Returns: A dictionary object representing the annotation. """ deprecate_with_replacement( "AnnotationBuilder.ellipse", "pypdf.annotations.Ellipse", "4.0.0" ) from ..annotations import Ellipse return Ellipse(rect=rect, interiour_color=interiour_color)
[docs] @staticmethod def polygon(vertices: List[Tuple[float, float]]) -> DictionaryObject: deprecate_with_replacement( "AnnotationBuilder.polygon", "pypdf.annotations.Polygon", "4.0.0" ) from ..annotations import Polygon return Polygon(vertices=vertices)
from ._fit import DEFAULT_FIT
__all__ = [ # Base types "BooleanObject", "FloatObject", "NumberObject", "NameObject", "IndirectObject", "NullObject", "PdfObject", "TextStringObject", "ByteStringObject", # Annotations "AnnotationBuilder", # Fit "Fit", "PAGE_FIT", # Data structures "ArrayObject", "DictionaryObject", "TreeObject", "StreamObject", "DecodedStreamObject", "EncodedStreamObject", "ContentStream", "RectangleObject", "Field", "Destination", "ViewerPreferences", # --- More specific stuff # Outline "OutlineItem", "OutlineFontFlag", # Data structures core functions "read_object", # Utility functions "create_string_object", "encode_pdfdocencoding", "decode_pdfdocencoding", "hex_to_rgb", "read_hex_string_from_stream", "read_string_from_stream", ]