diff --git a/client/bmp.py b/client/bmp.py new file mode 100644 index 000000000..bfdd165b5 --- /dev/null +++ b/client/bmp.py @@ -0,0 +1,206 @@ +# -*- 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() + for row in self.bitarray: + for pixel in row: + c = self.palette[pixel] + _bitmap += long24ToString(c) + for i in range(line_padding): + _bitmap += chr( 0 ) + + return _bitmap + + + + def saveFile( self, filename): + _b = self._saveBitMapNoCompression( ) + + f = file(filename, 'wb') + f.write(_b) + f.close() + + + + + + +if __name__ == "__main__": + + bmp = BitMap( 10, 10 ) + bmp.plotPoint( 5, 5 ) + bmp.plotPoint( 0, 0 ) + bmp.saveFile( "test.bmp" ) + diff --git a/client/electrum_text_320.png b/client/electrum_text_320.png new file mode 100644 index 000000000..dc6f08644 Binary files /dev/null and b/client/electrum_text_320.png differ