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#!/usr/bin/python3
import os
import sys
import xml.sax
import subprocess
INKSCAPE = '/usr/bin/inkscape'
OPTIPNG = '/usr/bin/optipng'
SRC = os.path.join('.', 'src', 'fullcolor')
inkscape_process = None
def optimize_png(png_file):
if os.path.exists(OPTIPNG):
process = subprocess.Popen([OPTIPNG, '-quiet', '-o7', png_file])
process.wait()
def wait_for_prompt(process, command=None):
if command is not None:
process.stdin.write((command+'\n').encode('utf-8'))
# This is kinda ugly ...
# Wait for just a '>', or '\n>' if some other char appearead first
output = process.stdout.read(1)
if output == b'>':
return
output += process.stdout.read(1)
while output != b'\n>':
output += process.stdout.read(1)
output = output[1:]
def start_inkscape():
process = subprocess.Popen([INKSCAPE, '--shell'], bufsize=0, stdin=subprocess.PIPE, stdout=subprocess.PIPE)
wait_for_prompt(process)
return process
def inkscape_render_rect(icon_file, rect, output_file):
global inkscape_process
if inkscape_process is None:
inkscape_process = start_inkscape()
wait_for_prompt(inkscape_process, '%s -i %s -e %s' % (icon_file, rect, output_file))
optimize_png(output_file)
class ContentHandler(xml.sax.ContentHandler):
ROOT = 0
SVG = 1
LAYER = 2
OTHER = 3
TEXT = 4
def __init__(self, path, force=False, filter=None):
self.stack = [self.ROOT]
self.inside = [self.ROOT]
self.path = path
self.rects = []
self.state = self.ROOT
self.chars = ""
self.force = force
self.filter = filter
def endDocument(self):
pass
def startElement(self, name, attrs):
if self.inside[-1] == self.ROOT:
if name == "svg":
self.stack.append(self.SVG)
self.inside.append(self.SVG)
return
elif self.inside[-1] == self.SVG:
if (name == "g" and ('inkscape:groupmode' in attrs) and ('inkscape:label' in attrs)
and attrs['inkscape:groupmode'] == 'layer' and attrs['inkscape:label'].startswith('baseplate')):
self.stack.append(self.LAYER)
self.inside.append(self.LAYER)
self.context = None
self.icon_name = None
self.rects = []
return
elif self.inside[-1] == self.LAYER:
if name == "text" and ('inkscape:label' in attrs) and attrs['inkscape:label'] == 'context':
self.stack.append(self.TEXT)
self.inside.append(self.TEXT)
self.text='context'
self.chars = ""
return
elif name == "text" and ('inkscape:label' in attrs) and attrs['inkscape:label'] == 'icon-name':
self.stack.append(self.TEXT)
self.inside.append(self.TEXT)
self.text='icon-name'
self.chars = ""
return
elif name == "rect":
self.rects.append(attrs)
self.stack.append(self.OTHER)
def endElement(self, name):
stacked = self.stack.pop()
if self.inside[-1] == stacked:
self.inside.pop()
if stacked == self.TEXT and self.text is not None:
assert self.text in ['context', 'icon-name']
if self.text == 'context':
self.context = self.chars
elif self.text == 'icon-name':
self.icon_name = self.chars
self.text = None
elif stacked == self.LAYER:
assert self.icon_name
assert self.context
if self.filter is not None and not self.icon_name in self.filter:
return
print (self.context, self.icon_name)
for rect in self.rects:
width = rect['width']
height = rect['height']
id = rect['id']
dir = os.path.join("Adwaita", "%sx%s" % (width, height), self.context)
outfile = os.path.join(dir, self.icon_name+'.png')
if not os.path.exists(dir):
os.makedirs(dir)
# Do a time based check!
if self.force or not os.path.exists(outfile):
inkscape_render_rect(self.path, id, outfile)
sys.stdout.write('.')
else:
stat_in = os.stat(self.path)
stat_out = os.stat(outfile)
if stat_in.st_mtime > stat_out.st_mtime:
inkscape_render_rect(self.path, id, outfile)
sys.stdout.write('.')
else:
sys.stdout.write('-')
sys.stdout.flush()
sys.stdout.write('\n')
sys.stdout.flush()
def characters(self, chars):
self.chars += chars.strip()
if len(sys.argv) == 1:
if not os.path.exists('Adwaita'):
os.mkdir('Adwaita')
print ('Rendering from SVGs in', SRC)
for file in os.listdir(SRC):
if file[-4:] == '.svg':
file = os.path.join(SRC, file)
handler = ContentHandler(file)
xml.sax.parse(open(file), handler)
else:
file = os.path.join(SRC, sys.argv[1] + '.svg')
if len(sys.argv) > 2:
icons = sys.argv[2:]
else:
icons = None
if os.path.exists(os.path.join(file)):
handler = ContentHandler(file, True, filter=icons)
xml.sax.parse(open(file), handler)
else:
print ("Error: No such file", file)
sys.exit(1)
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