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# -*- python -*-
'''
xpybar – xmobar replacement written in python
Copyright © 2014, 2015 Mattias Andrée (maandree@member.fsf.org)
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
'''
class Image:
'''
Images and icons
'''
def __init__(self, file, background = 'black', width = None, height = None):
'''
Constructor
@param file:str The pathname of the image
@param background:str ImageMagick understandable string for the background colour
@param width:int? The width the image should have, `None` to not resize or use `height`
@param height:int? The height the image should have, `None` to not resize or use `width`
'''
import Xlib.X, sys
from subprocess import Popen, PIPE
self.format = Xlib.X.ZPixmap
self.depth = 24
height = width if height is None else height
width = height if width is None else width
raster = None
convert = ['file', '-']
convert = Popen(convert, stdin = open(file, 'rb'), stdout = PIPE, stderr = sys.stderr)
if 'Scalable Vector Graphics' in convert.communicate()[0].decode('utf-8', 'replace'):
convert = ['rsvg-convert', '-f', 'png']
if width is not None:
convert += ['-w', str(width), '-h', str(height)]
convert = Popen(convert, stdin = open(file, 'rb'), stdout = PIPE, stderr = sys.stderr)
raster = convert.communicate()[0]
if not convert.wait() == 0:
raise Exception('Image could not be converted')
convert = ['convert', '-', '-background', background, '-alpha', 'remove', '-depth', '8']
if width is not None:
convert += ['-resize', '%ix%i!' % (width, height)]
convert += ['ppm:-']
convert = Popen(convert, stdin = PIPE if raster is not None else open(file, 'rb'),
stdout = PIPE, stderr = sys.stderr)
if raster is not None:
self.data = list(convert.communicate(raster)[0])
else:
self.data = list(convert.communicate()[0])
if not convert.wait() == 0:
raise Exception('Image could not be converted')
self.width, self.height, state, comment = [], [], 0, False
for i in range(len(self.data)):
b = self.data[i]
if comment:
if b == ord('\n'):
comment = False
elif b == ord('#'):
comment = True
elif b in (ord(' '), ord('\n')):
if (state & 1) == 0:
continue
state += 1
if state == 4 * 2:
break
else:
state += 1 - (state & 1)
if state == 2 * 1 + 1:
self.width.append(b)
elif state == 2 * 2 + 1:
self.height.append(b)
self.data, buf = [], self.data[i:]
self.width = int(bytes(self.width).decode('utf-8', 'strict'))
self.height = int(bytes(self.height).decode('utf-8', 'strict'))
i = 0
for _i in range(len(buf) // 3):
self.data.append(buf[i])
self.data.append(buf[i + 1])
self.data.append(buf[i + 2])
self.data.append(0)
i += 3
self.data = bytes(self.data)
def draw(self, bar, x, y):
'''
Draw the image on a bar
@param bar:Bar The bar to draw the image on
@param x:int The left position of the image
@param y:int The top position of the image
'''
bar.window.put_image(bar.gc, x, y, self.width, self.height, self.format, self.depth, 0, self.data)
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