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electrum
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remove bmp.py; use Qt instead

283
ThomasV 9 years ago
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ee18caa022
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b53a54cded
2 changed files with 5 additions and 226 deletions
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  1. 9
      gui/qt/qrcodewidget.py
  2. 222
      lib/bmp.py

9
gui/qt/qrcodewidget.py
View File

@ -6,7 +6,6 @@ import os
import qrcode import qrcode
import electrum import electrum
from electrum import bmp
from electrum.i18n import _ from electrum.i18n import _
from util import WindowModalDialog from util import WindowModalDialog
@ -101,14 +100,16 @@ class QRDialog(WindowModalDialog):
config = electrum.get_config() config = electrum.get_config()
if config: if config:
filename = os.path.join(config.path, "qrcode.bmp") filename = os.path.join(config.path, "qrcode.png")
def print_qr(): def print_qr():
bmp.save_qrcode(qrw.qr, filename) p = QPixmap.grabWindow(qrw.winId())
p.save(filename, 'png')
self.show_message(_("QR code saved to file") + " " + filename) self.show_message(_("QR code saved to file") + " " + filename)
def copy_to_clipboard(): def copy_to_clipboard():
bmp.save_qrcode(qrw.qr, filename) p = QPixmap.grabWindow(qrw.winId())
p.save(filename, 'png')
QApplication.clipboard().setImage(QImage(filename)) QApplication.clipboard().setImage(QImage(filename))
self.show_message(_("QR code copied to clipboard")) self.show_message(_("QR code copied to clipboard"))

222
lib/bmp.py
View File

@ -1,222 +0,0 @@
# -*- coding: utf-8 -*-
"""
bmp.py - module for constructing simple BMP graphics files
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
"""
__version__ = "0.3"
__about = "bmp module, version %s, written by Paul McGuire, October, 2003, updated by Margus Laak, September, 2009" % __version__
from math import ceil, hypot
def shortToString(i):
hi = (i & 0xff00) >> 8
lo = i & 0x00ff
return chr(lo) + chr(hi)
def longToString(i):
hi = (long(i) & 0x7fff0000) >> 16
lo = long(i) & 0x0000ffff
return shortToString(lo) + shortToString(hi)
def long24ToString(i):
return chr(i & 0xff) + chr(i >> 8 & 0xff) + chr(i >> 16 & 0xff)
def stringToLong(input_string, offset):
return ord(input_string[offset+3]) << 24 | ord(input_string[offset+2]) << 16 | ord(input_string[offset+1]) << 8 | ord(input_string[offset])
def stringToLong24(input_string, offset):
return ord(input_string[offset+2]) << 16 | ord(input_string[offset+1]) << 8 | ord(input_string[offset])
class Color(object):
"""class for specifying colors while drawing BitMap elements"""
__slots__ = [ 'red', 'grn', 'blu' ]
__shade = 32
def __init__( self, r=0, g=0, b=0 ):
self.red = r
self.grn = g
self.blu = b
def __setattr__(self, name, value):
if hasattr(self, name):
raise AttributeError, "Color is immutable"
else:
object.__setattr__(self, name, value)
def __str__( self ):
return "R:%d G:%d B:%d" % (self.red, self.grn, self.blu )
def __hash__( self ):
return ( ( long(self.blu) ) +
( long(self.grn) << 8 ) +
( long(self.red) << 16 ) )
def __eq__( self, other ):
return (self is other) or (self.toLong == other.toLong)
def lighten( self ):
return Color(
min( self.red + Color.__shade, 255),
min( self.grn + Color.__shade, 255),
min( self.blu + Color.__shade, 255)
)
def darken( self ):
return Color(
max( self.red - Color.__shade, 0),
max( self.grn - Color.__shade, 0),
max( self.blu - Color.__shade, 0)
)
def toLong( self ):
return self.__hash__()
def fromLong( l ):
b = l & 0xff
l = l >> 8
g = l & 0xff
l = l >> 8
r = l & 0xff
return Color( r, g, b )
fromLong = staticmethod(fromLong)
# define class constants for common colors
Color.BLACK = Color( 0, 0, 0 )
Color.RED = Color( 255, 0, 0 )
Color.GREEN = Color( 0, 255, 0 )
Color.BLUE = Color( 0, 0, 255 )
Color.CYAN = Color( 0, 255, 255 )
Color.MAGENTA = Color( 255, 0, 255 )
Color.YELLOW = Color( 255, 255, 0 )
Color.WHITE = Color( 255, 255, 255 )
Color.DKRED = Color( 128, 0, 0 )
Color.DKGREEN = Color( 0, 128, 0 )
Color.DKBLUE = Color( 0, 0, 128 )
Color.TEAL = Color( 0, 128, 128 )
Color.PURPLE = Color( 128, 0, 128 )
Color.BROWN = Color( 128, 128, 0 )
Color.GRAY = Color( 128, 128, 128 )
class BitMap(object):
"""class for drawing and saving simple Windows bitmap files"""
LINE_SOLID = 0
LINE_DASHED = 1
LINE_DOTTED = 2
LINE_DOT_DASH=3
_DASH_LEN = 12.0
_DOT_LEN = 6.0
_DOT_DASH_LEN = _DOT_LEN + _DASH_LEN
def __init__( self, width, height,
bkgd = Color.WHITE, frgd = Color.BLACK ):
self.wd = int( ceil(width) )
self.ht = int( ceil(height) )
self.bgcolor = 0
self.fgcolor = 1
self.palette = []
self.palette.append( bkgd.toLong() )
self.palette.append( frgd.toLong() )
self.currentPen = self.fgcolor
tmparray = [ self.bgcolor ] * self.wd
self.bitarray = [ tmparray[:] for i in range( self.ht ) ]
self.currentPen = 1
def plotPoint( self, x, y ):
if ( 0 <= x < self.wd and 0 <= y < self.ht ):
x = int(x)
y = int(y)
self.bitarray[y][x] = self.currentPen
def _saveBitMapNoCompression( self ):
line_padding = (4 - (self.wd % 4)) % 4
# write bitmap header
_bitmap = "BM"
_bitmap += longToString( 54 + self.ht*(self.wd*3 + line_padding) ) # DWORD size in bytes of the file
_bitmap += longToString( 0 ) # DWORD 0
_bitmap += longToString( 54 )
_bitmap += longToString( 40 ) # DWORD header size = 40
_bitmap += longToString( self.wd ) # DWORD image width
_bitmap += longToString( self.ht ) # DWORD image height
_bitmap += shortToString( 1 ) # WORD planes = 1
_bitmap += shortToString( 24 ) # WORD bits per pixel = 8
_bitmap += longToString( 0 ) # DWORD compression = 0
_bitmap += longToString( self.ht * (self.wd * 3 + line_padding) ) # DWORD sizeimage = size in bytes of the bitmap = width * height
_bitmap += longToString( 0 ) # DWORD horiz pixels per meter (?)
_bitmap += longToString( 0 ) # DWORD ver pixels per meter (?)
_bitmap += longToString( 0 ) # DWORD number of colors used = 256
_bitmap += longToString( 0 ) # DWORD number of "import colors = len( self.palette )
# write pixels
self.bitarray.reverse()
rows = []
for row in self.bitarray:
for pixel in row:
c = self.palette[pixel]
rows.append(long24ToString(c))
rows.append(chr(0) * line_padding)
_bitmap += ''.join(rows)
return _bitmap
def saveFile( self, filename):
_b = self._saveBitMapNoCompression( )
f = file(filename, 'wb')
f.write(_b)
f.close()
def save_qrcode(qr, filename):
matrix = qr.get_matrix()
k = len(matrix)
bitmap = BitMap( (k+2)*8, (k+2)*8 )
bitmap.bitarray = []
for r in range(k+2):
tmparray = [ 0 ] * (k+2)*8
if 0 < r < k+1:
for c in range(k):
if matrix[r-1][c]:
tmparray[ (1+c)*8:(2+c)*8] = [1]*8
for i in range(8):
bitmap.bitarray.append( tmparray[:] )
bitmap.saveFile( filename )
if __name__ == "__main__":
bmp = BitMap( 10, 10 )
bmp.plotPoint( 5, 5 )
bmp.plotPoint( 0, 0 )
bmp.saveFile( "test.bmp" )
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