So, how do we achieve one value from those three pixel values? We need some kind of averaging. L mode on the other hand only uses one value between 0-255 for each pixel (8-bit). In summary, color images usually use the RGB format which means every pixel is represented by a tuple of three value (red, green and blue) in Python. Gives the number of bands in an image of the given mode.There are different image hashes that can be used to transform color images to grayscale.
:py:method:`~` to get the mode used to store each Given a mode, this function returnsĪ tuple containing the names of individual bands (use Single-layer mode suitable for storing individual bands. :exception KeyError: If the input mode was not a standard mode. Images that contain grayscale data, and "RGB" for images that # may have to modify the stride calculation in map.c too! # resampling filters (also defined in Imaging.h)ĭEFAULT_STRATEGY = core.
:param t: object to check if it's an image USE_CFFI_ACCESS = hasattr( sys, "pypy_version_info") # works everywhere, win for pypy, not cpython Don't let people run with a mostly broken Pillow. "The _imaging extension was built for another version of Python.",Įlif str( v). # The _imaging C module is present, but not compiled for # Explanations for ways that we know we might have an import error _util import DeferredError, is_pathĬategories = \n"Ĭore = DeferredError( ImportError( "The _imaging C module is not installed.")) import ImageMode, TiffTags, UnidentifiedImageError, _version_, _pluginsįrom. # PILLOW_VERSION was removed in Pillow 9.0.0.įrom. # See the README file for information on usage and redistribution.įrom collections.
# Copyright (c) 1995-2009 by Fredrik Lundh. # Copyright (c) 1997-2009 by Secret Labs AB. _getattr_ Function DecompressionBombWarning Class DecompressionBombError Class isImageType Function Transpose Class Transform Class Resampling Class Dither Class Palette Class Quantize Class _conv_type_shape Function getmodebase Function getmodetype Function getmodebandnames Function getmodebands Function preinit Function init Function _getdecoder Function _getencoder Function coerce_e Function _E Class _init_ Function _neg_ Function _add_ Function _sub_ Function _rsub_ Function _mul_ Function _truediv_ Function _getscaleoffset Function Image Class _init_ Function _getattr_ Function width Function height Function size Function _new Function _enter_ Function _exit_ Function close Function _copy Function _ensure_mutable Function _dump Function _eq_ Function _repr_ Function _repr_pretty_ Function _repr_png_ Function _array_interface_ Function _getstate_ Function _setstate_ Function tobytes Function tobitmap Function frombytes Function load Function verify Function convert Function convert_transparency Function quantize Function copy Function crop Function _crop Function draft Function _expand Function filter Function getbands Function getbbox Function getcolors Function getdata Function getextrema Function _getxmp Function get_name Function get_value Function getexif Function _reload_exif Function getim Function getpalette Function apply_transparency Function getpixel Function getprojection Function histogram Function entropy Function paste Function alpha_composite Function point Function putalpha Function putdata Function putpalette Function putpixel Function remap_palette Function _get_safe_box Function resize Function reduce Function rotate Function transform Function save Function seek Function show Function split Function getchannel Function tell Function thumbnail Function round_aspect Function transform Function _transformer Function transpose Function effect_spread Function toqimage Function toqpixmap Function ImagePointHandler Class ImageTransformHandler Class _wedge Function _check_size Function new Function frombytes Function frombuffer Function fromarray Function fromqimage Function fromqpixmap Function _decompression_bomb_check Function open Function _open_core Function alpha_composite Function blend Function composite Function eval Function merge Function register_open Function register_mime Function register_save Function register_save_all Function register_extension Function register_extensions Function registered_extensions Function register_decoder Function register_encoder Function _show Function effect_mandelbrot Function effect_noise Function linear_gradient Function radial_gradient Function _apply_env_variables Function Exif Class _init_ Function _fixup Function _fixup_dict Function _get_ifd_dict Function _get_head Function load Function load_from_fp Function _get_merged_dict Function tobytes Function get_ifd Function _str_ Function _len_ Function _getitem_ Function _contains_ Function _setitem_ Function _delitem_ Function _iter_ Function
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