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Fix PyQt4&5 support.

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Aurelien Ballier 2013-11-13 12:34:09 +01:00
parent 6121dd5aa5
commit 2a3422335b
2 changed files with 5 additions and 87 deletions
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6
PIL/ImageQt.py
View File

@ -8,6 +8,7 @@
# 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
@ -18,7 +19,10 @@
from PIL import Image
from PIL._util import isPath
from PyQt4.QtGui import QImage, qRgb
try:
from PyQt5.QtGui import QImage, qRgb
except:
from PyQt4.QtGui import QImage, qRgb
##
# (Internal) Turns an RGB color into a Qt compatible color integer.

86
PIL/ImageQt5.py
View File

@ -1,86 +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
# 2013-11-05 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.
#
from PIL import Image
from PIL._util import isPath
from PyQt5.QtGui import QImage, qRgb
##
# (Internal) Turns an RGB color into a Qt compatible color integer.
def rgb(r, g, b):
# use qRgb to pack the colors, and then turn the resulting long
# into a negative integer with the same bitpattern.
return (qRgb(r, g, b) & 0xffffff) - 0x1000000
##
# An PIL image wrapper for Qt. This is a subclass of PyQt5's QImage
# class.
#
# @param im A PIL Image object, or a file name (given either as Python
# string or a PyQt string object).
class ImageQt(QImage):
def __init__(self, im):
data = None
colortable = None
# handle filename, if given instead of image name
if hasattr(im, "toUtf8"):
# FIXME - is this really the best way to do this?
im = unicode(im.toUtf8(), "utf-8")
if isPath(im):
im = Image.open(im)
if im.mode == "1":
format = QImage.Format_Mono
elif im.mode == "L":
format = QImage.Format_Indexed8
colortable = []
for i in range(256):
colortable.append(rgb(i, i, i))
elif im.mode == "P":
format = QImage.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":
data = im.tobytes("raw", "BGRX")
format = QImage.Format_RGB32
elif im.mode == "RGBA":
try:
data = im.tobytes("raw", "BGRA")
except SystemError:
# workaround for earlier versions
r, g, b, a = im.split()
im = Image.merge("RGBA", (b, g, r, a))
format = QImage.Format_ARGB32
else:
raise ValueError("unsupported image mode %r" % im.mode)
# must keep a reference, or Qt will crash!
self.__data = data or im.tobytes()
QImage.__init__(self, self.__data, im.size[0], im.size[1], format)
if colortable:
self.setColorTable(colortable)