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Diffstat (limited to 'env/lib/python3.10/site-packages/PIL/ImageQt.py')
-rw-r--r-- | env/lib/python3.10/site-packages/PIL/ImageQt.py | 228 |
1 files changed, 0 insertions, 228 deletions
diff --git a/env/lib/python3.10/site-packages/PIL/ImageQt.py b/env/lib/python3.10/site-packages/PIL/ImageQt.py deleted file mode 100644 index a34678c..0000000 --- a/env/lib/python3.10/site-packages/PIL/ImageQt.py +++ /dev/null @@ -1,228 +0,0 @@ -# -# The Python Imaging Library. -# $Id$ -# -# a simple Qt image interface. -# -# history: -# 2006-06-03 fl: created -# 2006-06-04 fl: inherit from QImage instead of wrapping it -# 2006-06-05 fl: removed toimage helper; move string support to ImageQt -# 2013-11-13 fl: add support for Qt5 (aurelien.ballier@cyclonit.com) -# -# Copyright (c) 2006 by Secret Labs AB -# Copyright (c) 2006 by Fredrik Lundh -# -# See the README file for information on usage and redistribution. -# - -import sys -from io import BytesIO - -from . import Image -from ._deprecate import deprecate -from ._util import is_path - -qt_versions = [ - ["6", "PyQt6"], - ["side6", "PySide6"], - ["5", "PyQt5"], - ["side2", "PySide2"], -] - -# If a version has already been imported, attempt it first -qt_versions.sort(key=lambda qt_version: qt_version[1] in sys.modules, reverse=True) -for qt_version, qt_module in qt_versions: - try: - if qt_module == "PyQt6": - from PyQt6.QtCore import QBuffer, QIODevice - from PyQt6.QtGui import QImage, QPixmap, qRgba - elif qt_module == "PySide6": - from PySide6.QtCore import QBuffer, QIODevice - from PySide6.QtGui import QImage, QPixmap, qRgba - elif qt_module == "PyQt5": - from PyQt5.QtCore import QBuffer, QIODevice - from PyQt5.QtGui import QImage, QPixmap, qRgba - - deprecate("Support for PyQt5", 10, "PyQt6 or PySide6") - elif qt_module == "PySide2": - from PySide2.QtCore import QBuffer, QIODevice - from PySide2.QtGui import QImage, QPixmap, qRgba - - deprecate("Support for PySide2", 10, "PyQt6 or PySide6") - except (ImportError, RuntimeError): - continue - qt_is_installed = True - break -else: - qt_is_installed = False - qt_version = None - - -def rgb(r, g, b, a=255): - """(Internal) Turns an RGB color into a Qt compatible color integer.""" - # use qRgb to pack the colors, and then turn the resulting long - # into a negative integer with the same bitpattern. - return qRgba(r, g, b, a) & 0xFFFFFFFF - - -def fromqimage(im): - """ - :param im: QImage or PIL ImageQt object - """ - buffer = QBuffer() - if qt_version == "6": - try: - qt_openmode = QIODevice.OpenModeFlag - except AttributeError: - qt_openmode = QIODevice.OpenMode - else: - qt_openmode = QIODevice - buffer.open(qt_openmode.ReadWrite) - # preserve alpha channel with png - # otherwise ppm is more friendly with Image.open - if im.hasAlphaChannel(): - im.save(buffer, "png") - else: - im.save(buffer, "ppm") - - b = BytesIO() - b.write(buffer.data()) - buffer.close() - b.seek(0) - - return Image.open(b) - - -def fromqpixmap(im): - return fromqimage(im) - # buffer = QBuffer() - # buffer.open(QIODevice.ReadWrite) - # # im.save(buffer) - # # What if png doesn't support some image features like animation? - # im.save(buffer, 'ppm') - # bytes_io = BytesIO() - # bytes_io.write(buffer.data()) - # buffer.close() - # bytes_io.seek(0) - # return Image.open(bytes_io) - - -def align8to32(bytes, width, mode): - """ - converts each scanline of data from 8 bit to 32 bit aligned - """ - - bits_per_pixel = {"1": 1, "L": 8, "P": 8, "I;16": 16}[mode] - - # calculate bytes per line and the extra padding if needed - bits_per_line = bits_per_pixel * width - full_bytes_per_line, remaining_bits_per_line = divmod(bits_per_line, 8) - bytes_per_line = full_bytes_per_line + (1 if remaining_bits_per_line else 0) - - extra_padding = -bytes_per_line % 4 - - # already 32 bit aligned by luck - if not extra_padding: - return bytes - - new_data = [] - for i in range(len(bytes) // bytes_per_line): - new_data.append( - bytes[i * bytes_per_line : (i + 1) * bytes_per_line] - + b"\x00" * extra_padding - ) - - return b"".join(new_data) - - -def _toqclass_helper(im): - data = None - colortable = None - exclusive_fp = False - - # handle filename, if given instead of image name - if hasattr(im, "toUtf8"): - # FIXME - is this really the best way to do this? - im = str(im.toUtf8(), "utf-8") - if is_path(im): - im = Image.open(im) - exclusive_fp = True - - qt_format = QImage.Format if qt_version == "6" else QImage - if im.mode == "1": - format = qt_format.Format_Mono - elif im.mode == "L": - format = qt_format.Format_Indexed8 - colortable = [] - for i in range(256): - colortable.append(rgb(i, i, i)) - elif im.mode == "P": - format = qt_format.Format_Indexed8 - colortable = [] - palette = im.getpalette() - for i in range(0, len(palette), 3): - colortable.append(rgb(*palette[i : i + 3])) - elif im.mode == "RGB": - # Populate the 4th channel with 255 - im = im.convert("RGBA") - - data = im.tobytes("raw", "BGRA") - format = qt_format.Format_RGB32 - elif im.mode == "RGBA": - data = im.tobytes("raw", "BGRA") - format = qt_format.Format_ARGB32 - elif im.mode == "I;16" and hasattr(qt_format, "Format_Grayscale16"): # Qt 5.13+ - im = im.point(lambda i: i * 256) - - format = qt_format.Format_Grayscale16 - else: - if exclusive_fp: - im.close() - raise ValueError(f"unsupported image mode {repr(im.mode)}") - - size = im.size - __data = data or align8to32(im.tobytes(), size[0], im.mode) - if exclusive_fp: - im.close() - return {"data": __data, "size": size, "format": format, "colortable": colortable} - - -if qt_is_installed: - - class ImageQt(QImage): - def __init__(self, im): - """ - An PIL image wrapper for Qt. This is a subclass of PyQt's QImage - class. - - :param im: A PIL Image object, or a file name (given either as - Python string or a PyQt string object). - """ - im_data = _toqclass_helper(im) - # must keep a reference, or Qt will crash! - # All QImage constructors that take data operate on an existing - # buffer, so this buffer has to hang on for the life of the image. - # Fixes https://github.com/python-pillow/Pillow/issues/1370 - self.__data = im_data["data"] - super().__init__( - self.__data, - im_data["size"][0], - im_data["size"][1], - im_data["format"], - ) - if im_data["colortable"]: - self.setColorTable(im_data["colortable"]) - - -def toqimage(im): - return ImageQt(im) - - -def toqpixmap(im): - # # This doesn't work. For now using a dumb approach. - # im_data = _toqclass_helper(im) - # result = QPixmap(im_data["size"][0], im_data["size"][1]) - # result.loadFromData(im_data["data"]) - qimage = toqimage(im) - return QPixmap.fromImage(qimage) |