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add option to render using imagemagick

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This commit is contained in:
derchris 2019-01-20 06:41:57 +01:00
parent 43f08547f0
commit f3b8deb63b
4 changed files with 24 additions and 10 deletions
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21
renderlib.py
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@ -13,6 +13,7 @@ import cssutils
import logging
import subprocess
from urllib.request import urlopen
from wand.image import Image
# Frames per second. Increasing this renders more frames, the avconf-statements would still need modifications
fps = 25
@ -168,12 +169,20 @@ def rendertask(task):
width = 1024
height = 576
# invoke inkscape to convert the generated svg-file into a png inside the .frames-directory
cmd = 'cd {0} && inkscape --export-background=white --export-background-opacity=0 --export-width={2} --export-height={3} --export-png=$(pwd)/.frames/{1:04d}.png $(pwd)/.gen.svg 2>&1 >/dev/null'.format(task.workdir, frameNr, width, height)
errorReturn = subprocess.check_output(cmd, shell=True, universal_newlines=True, stderr=subprocess.STDOUT)
if errorReturn != '':
print("inkscape exitted with error\n" + errorReturn)
# sys.exit(42)
if args.imagemagick:
# invoke imagemagick to convert the generated svg-file into a png inside the .frames-directory
infile = '{0}/.gen.svg'.format(task.workdir)
outfile = '{0}/.frames/{1:04d}.png'.format(task.workdir, frameNr)
with Image(filename=infile) as img:
with img.convert('png') as converted:
converted.save(filename=outfile)
else:
# invoke inkscape to convert the generated svg-file into a png inside the .frames-directory
cmd = 'cd {0} && inkscape --export-background=white --export-background-opacity=0 --export-width={2} --export-height={3} --export-png=$(pwd)/.frames/{1:04d}.png $(pwd)/.gen.svg 2>&1 >/dev/null'.format(task.workdir, frameNr, width, height)
errorReturn = subprocess.check_output(cmd, shell=True, universal_newlines=True, stderr=subprocess.STDOUT)
if errorReturn != '':
print("inkscape exitted with error\n" + errorReturn)
# sys.exit(42)
# increment frame-number
frameNr += 1