Identicons #542
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@ -56,54 +56,68 @@ def _translate(context, text):
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return QtGui.QApplication.translate(context, text)
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def identiconize(address):
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youdontwantidenticons = False
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if youdontwantidenticons == True:
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idcon = QtGui.QIcon()
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return idcon
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size = 3
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size = 1
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str_broadcast_subscribers = '[Broadcast subscribers]'
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if address == str_broadcast_subscribers:
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idcon = QtGui.QIcon(":/newPrefix/images/can-icon-24px.png")
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return idcon
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suffix = "asdf"
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try:
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identiconsuffix = shared.config.get('bitmessagesettings', 'identiconsuffix')
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except:
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identiconsuffix = ''
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# here you could put "@bitmessge.ch" or "@bm.addr" to make it compatible with other identicon generators
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# instead, you could also use a pseudo-password to salt the generation of the identicons
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# Attacks where someone creates an address to mimic someone else's identicon should be impossible then
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# i think it should generate a random string by default
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try:
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identicon_lib = shared.config.get('bitmessagesettings', 'identicon')
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except:
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identicon_lib = 'qidenticon'
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if identicon_lib == 'qidenticon':
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if (identicon_lib[:len('qidenticon')] == 'qidenticon'):
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# print identicon_lib
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# originally by:
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# :Author:Shin Adachi <shn@glucose.jp>
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# Licesensed under FreeBSD License.
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# stripped from PIL and uses QT instead
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import qidenticon
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import hashlib
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hash = hashlib.md5(addBMIfNotPresent(address)+suffix).hexdigest()
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image = qidenticon.render_identicon(int(hash, 16), 48)
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hash = hashlib.md5(addBMIfNotPresent(address)+identiconsuffix).hexdigest()
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use_two_colors = (identicon_lib[:len('qidenticon_two')] == 'qidenticon_two')
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transparent = (identicon_lib == 'qidenticon_x') | (identicon_lib == 'qidenticon_two_x')
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penwidth = 0
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pixmap = qidenticon.render_identicon(int(hash, 16), 48, use_two_colors, transparent, penwidth)
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idcon = QtGui.QIcon()
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idcon.addPixmap(image, QtGui.QIcon.Normal, QtGui.QIcon.Off)
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idcon.addPixmap(pixmap, QtGui.QIcon.Normal, QtGui.QIcon.Off)
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return idcon
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elif identicon_lib == 'pydenticon': # pydenticon.py
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elif identicon_lib == 'pydenticon':
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# print identicon_lib
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# load another identicon code
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# http://boottunes.googlecode.com/svn-history/r302/trunk/src/pydenticon.py
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# Here you could load pydenticon.py (just put it in the "src" folder of your Bitmessage source)
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from pydenticon import Pydenticon
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# GPLv3 !!!
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idcon_render = Pydenticon(addBMIfNotPresent(address)+suffix)
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image = idcon_render._render()
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# im = Image.open('images/'+hash+'.png')
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# http://stackoverflow.com/questions/6756820/python-pil-image-tostring
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data = image.convert("RGBA").tostring("raw", "RGBA")
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image = QImage(data, image.size[0], image.size[1], QImage.Format_ARGB32)
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pix = QPixmap.fromImage(image)
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# It is not included in the source, because it is licensed under GPLv3
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# GPLv3 is a copyleft license that would influence our licensing
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# Find the source here: http://boottunes.googlecode.com/svn-history/r302/trunk/src/pydenticon.py
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# note that it requires PIL to be installed: http://www.pythonware.com/products/pil/
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idcon_render = Pydenticon(addBMIfNotPresent(address)+identiconsuffix, size)
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rendering = idcon_render._render()
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data = rendering.convert("RGBA").tostring("raw", "RGBA")
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qim = QImage(data, size, size, QImage.Format_ARGB32)
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pix = QPixmap.fromImage(qim)
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idcon = QtGui.QIcon()
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idcon.addPixmap(pix, QtGui.QIcon.Normal, QtGui.QIcon.Off)
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return idcon
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elif identicon_lib == False:
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idcon = QtGui.QIcon()
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return idcon
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else:
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if identicon_lib & len(identicon_lib) > 0:
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print 'Error: couldn\'t find this identicon library: ', identicon_lib
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print 'Control for typos!'
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idcon = QtGui.QIcon()
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return idcon
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class MyForm(QtGui.QMainWindow):
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@ -41,9 +41,6 @@ by Shin Adachi <shn@glucose.jp>
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= usage =
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== commandline ==
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>>> python identicon.py [code]
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== python ==
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>>> import qtidenticon
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>>> qtidenticon.render_identicon(code, size)
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@ -59,80 +56,6 @@ from PyQt4.QtGui import *
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__all__ = ['render_identicon', 'IdenticonRendererBase']
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class Matrix2D(list):
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"""Matrix for Patch rotation"""
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def __init__(self, initial=[0.] * 9):
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assert isinstance(initial, list) and len(initial) == 9
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list.__init__(self, initial)
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def clear(self):
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for i in xrange(9):
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self[i] = 0.
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def set_identity(self):
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self.clear()
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for i in xrange(3):
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self[i] = 1.
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def __str__(self):
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return '[%s]' % ', '.join('%3.2f' % v for v in self)
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def __mul__(self, other):
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r = []
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if isinstance(other, Matrix2D):
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for y in xrange(3):
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for x in xrange(3):
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v = 0.0
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for i in xrange(3):
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v += (self[i * 3 + x] * other[y * 3 + i])
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r.append(v)
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else:
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raise NotImplementedError
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return Matrix2D(r)
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def for_PIL(self):
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return self[0:6]
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@classmethod
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def translate(kls, x, y):
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return kls([1.0, 0.0, float(x),
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0.0, 1.0, float(y),
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0.0, 0.0, 1.0])
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@classmethod
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def scale(kls, x, y):
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return kls([float(x), 0.0, 0.0,
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0.0, float(y), 0.0,
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0.0, 0.0, 1.0])
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"""
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# need `import math`
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@classmethod
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def rotate(kls, theta, pivot=None):
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c = math.cos(theta)
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s = math.sin(theta)
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matR = kls([c, -s, 0., s, c, 0., 0., 0., 1.])
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if not pivot:
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return matR
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return kls.translate(-pivot[0], -pivot[1]) * matR *
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kls.translate(*pivot)
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"""
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@classmethod
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def rotateSquare(kls, theta, pivot=None):
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theta = theta % 4
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c = [1., 0., -1., 0.][theta]
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s = [0., 1., 0., -1.][theta]
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matR = kls([c, -s, 0., s, c, 0., 0., 0., 1.])
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if not pivot:
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return matR
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return kls.translate(-pivot[0], -pivot[1]) * matR * \
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kls.translate(*pivot)
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class IdenticonRendererBase(object):
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PATH_SET = []
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@ -144,7 +67,7 @@ class IdenticonRendererBase(object):
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code = int(code)
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self.code = code
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def render(self, size):
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def render(self, size, twoColor, transparent, penwidth):
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"""
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render identicon to QPixmap
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@ -153,30 +76,34 @@ class IdenticonRendererBase(object):
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"""
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# decode the code
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middle, corner, side, foreColor, backColor = self.decode(self.code)
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middle, corner, side, foreColor, secondColor, swap_cross = self.decode(self.code, twoColor)
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# make image
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image = QPixmap(QSize(size * 3, size * 3))
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image = QPixmap(QSize(size * 3 +penwidth, size * 3 +penwidth))
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# fill background
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image.fill(QtGui.QColor(0,0,0))
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backColor = QtGui.QColor(255,255,255,(not transparent) * 255)
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image.fill(backColor)
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kwds = {
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'image': image,
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'size': size,
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'foreColor': foreColor,
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'foreColor': foreColor if swap_cross else secondColor,
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'penwidth': penwidth,
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'backColor': backColor}
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# middle patch
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image = self.drawPatchQt((1, 1), middle[2], middle[1], middle[0], **kwds)
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# side patch
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kwds['foreColor'] = foreColor
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kwds['type'] = side[0]
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for i in xrange(4):
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pos = [(1, 0), (2, 1), (1, 2), (0, 1)][i]
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image = self.drawPatchQt(pos, side[2] + 1 + i, side[1], **kwds)
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# corner patch
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kwds['foreColor'] = secondColor
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kwds['type'] = corner[0]
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for i in xrange(4):
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pos = [(0, 0), (2, 0), (2, 2), (0, 2)][i]
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@ -186,7 +113,7 @@ class IdenticonRendererBase(object):
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def drawPatchQt(self, pos, turn, invert, type, image, size, foreColor,
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backColor):
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backColor, penwidth):
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"""
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@param size patch size
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"""
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@ -200,28 +127,35 @@ class IdenticonRendererBase(object):
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polygon = QPolygonF([QPointF(x*size,y*size) for x,y in path])
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rot = turn % 4
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rot_trans = [QPointF(0.,0.), QPointF(size, 0.), QPointF(size, size), QPointF(0., size)]
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rect = [QPointF(0.,0.), QPointF(size, 0.), QPointF(size, size), QPointF(0., size)]
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rotation = [0,90,180,270]
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# print rotation[rot], rot_trans[rot], turn
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pen_color = QtGui.QColor(255, 255, 255, 0)
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pen = QtGui.QPen(pen_color, Qt.SolidPattern)
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nopen = QtGui.QPen(foreColor, Qt.NoPen)
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foreBrush = QtGui.QBrush(foreColor, Qt.SolidPattern)
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backBrush = QtGui.QBrush(backColor, Qt.SolidPattern)
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if invert:
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foreBrush, backBrush = backBrush, foreBrush
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if penwidth > 0:
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pen_color = QtGui.QColor(223, 223, 223)
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pen = QtGui.QPen(pen_color, Qt.SolidPattern)
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pen.setWidth(penwidth)
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painter = QPainter()
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painter.begin(image)
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painter.setPen(pen)
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painter.setPen(nopen)
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painter.translate(pos[0]*size, pos[1]*size)
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painter.translate(rot_trans[rot])
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painter.translate(pos[0]*size +penwidth/2, pos[1]*size +penwidth/2)
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painter.translate(rect[rot])
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painter.rotate(rotation[rot])
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painter.setBrush(backBrush)
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painter.drawRect(0,0, size, size)
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if invert:
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# subtract the actual polygon from a rectangle to invert it
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rect_polygon = QPolygonF(rect)
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polygon = rect_polygon.subtracted(polygon)
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painter.setBrush(foreBrush)
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if penwidth > 0:
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# draw the borders
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painter.setPen(pen)
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painter.drawPolygon(polygon, Qt.WindingFill)
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# draw the fill
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painter.setPen(nopen)
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painter.drawPolygon(polygon, Qt.WindingFill)
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painter.end()
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@ -263,56 +197,42 @@ class DonRenderer(IdenticonRendererBase):
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p = map(lambda vec: (vec[0] / 4.0, vec[1] / 4.0), PATH_SET[idx])
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PATH_SET[idx] = p + p[:1]
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def decode(self, code):
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def decode(self, code, twoColor):
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# decode the code
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middleType = self.MIDDLE_PATCH_SET[code & 0x03]
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middleInvert= (code >> 2) & 0x01
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cornerType = (code >> 3) & 0x0F
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cornerInvert= (code >> 7) & 0x01
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cornerTurn = (code >> 8) & 0x03
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sideType = (code >> 10) & 0x0F
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sideInvert = (code >> 14) & 0x01
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sideTurn = (code >> 15) & 0x03
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# bug reported by Masato Hagiwara
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# http://lilyx.net/iconlang-en/
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# blue = (code >> 16) & 0x1F
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# green = (code >> 21) & 0x1F
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blue = (code >> 17) & 0x1F
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green = (code >> 22) & 0x1F
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red = (code >> 27) & 0x1F
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shift = 0; middleType = (code >> shift) & 0x03
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shift += 2; middleInvert= (code >> shift) & 0x01
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shift += 1; cornerType = (code >> shift) & 0x0F
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shift += 4; cornerInvert= (code >> shift) & 0x01
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shift += 1; cornerTurn = (code >> shift) & 0x03
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shift += 2; sideType = (code >> shift) & 0x0F
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shift += 4; sideInvert = (code >> shift) & 0x01
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shift += 1; sideTurn = (code >> shift) & 0x03
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shift += 2; blue = (code >> shift) & 0x1F
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shift += 5; green = (code >> shift) & 0x1F
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shift += 5; red = (code >> shift) & 0x1F
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shift += 5; second_blue = (code >> shift) & 0x1F
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shift += 5; second_green= (code >> shift) & 0x1F
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shift += 5; second_red = (code >> shift) & 0x1F
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shift += 1; swap_cross = (code >> shift) & 0x01
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middleType = self.MIDDLE_PATCH_SET[middleType]
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foreColor = (red << 3, green << 3, blue << 3)
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foreColor = QtGui.QColor(*foreColor)
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bgcolor = QtGui.QColor(255,255,255)
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if twoColor:
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secondColor = (second_blue << 3, second_green << 3, second_red << 3)
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secondColor = QtGui.QColor(*secondColor)
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else:
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secondColor = foreColor
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return (middleType, middleInvert, 0),\
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(cornerType, cornerInvert, cornerTurn),\
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(sideType, sideInvert, sideTurn),\
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foreColor, bgcolor
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foreColor, secondColor, swap_cross
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def render_identicon(code, size, renderer=None):
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def render_identicon(code, size, twoColor=False, transparent=False, penwidth=0, renderer=None):
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if not renderer:
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renderer = DonRenderer
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return renderer(code).render(size)
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if __name__ == '__main__':
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import sys
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if len(sys.argv) < 2:
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print 'usage: python identicon.py [CODE]....'
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raise SystemExit
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for code in sys.argv[1:]:
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if code.startswith('0x') or code.startswith('0X'):
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code = int(code[2:], 16)
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elif code.startswith('0'):
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code = int(code[1:], 8)
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else:
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code = int(code)
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app = Qt.QApplication(sys.argv)
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icon = render_identicon(code, 24)
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icon.save('%08x.png' % code, 'PNG')
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return renderer(code).render(size, twoColor, transparent, penwidth)
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Reference in New Issue
Block a user