filmroellchen/intro-outro-generator
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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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4
README.md
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@ -47,10 +47,10 @@ $ pip3 install -r requirements.txt
##### Debian ##### Debian
On debian, for python lxml dependencies: On debian you need to install ImageMagick and Python lxml dependencies:
``` ```
sudo apt-get install libxml2-dev libxslt1-dev sudo apt-get install libmagickwand-dev libmagickcore5-extra libxml2-dev libxslt1-dev
``` ```
Quick start Quick start

4
make.py
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@ -48,6 +48,10 @@ parser.add_argument('--skip-frames', action="store", default=None, type=int, hel
Skip first n frames e.g. to quickly rerender during debugging. Skip first n frames e.g. to quickly rerender during debugging.
Usage: ./make.py yourproject/ --debug --skip-frames 300 Usage: ./make.py yourproject/ --debug --skip-frames 300
''') ''')
parser.add_argument('--imagemagick', action="store_true", default=False, help='''
Render frames using ImageMagick instead of Inkscape.
Usage: ./make.py yourproject/ --imagemagick
''')
if len(sys.argv) < 2: if len(sys.argv) < 2:
parser.print_help() parser.print_help()

9
renderlib.py
View file

@ -13,6 +13,7 @@ import cssutils
import logging import logging
import subprocess import subprocess
from urllib.request import urlopen 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 # Frames per second. Increasing this renders more frames, the avconf-statements would still need modifications
fps = 25 fps = 25
@ -168,6 +169,14 @@ def rendertask(task):
width = 1024 width = 1024
height = 576 height = 576
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 # 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 $(pwd)/.gen.svg 2>&1 >/dev/null'.format(task.workdir, frameNr, width, height) cmd = 'cd {0} && inkscape --export-background=white --export-background-opacity=0 --export-width={2} --export-height={3} --export-png=$(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) errorReturn = subprocess.check_output(cmd, shell=True, universal_newlines=True, stderr=subprocess.STDOUT)

5
requirements.txt
View file

@ -1,3 +1,4 @@
cssutils==1.0.1 cssutils==1.0.1
lxml==3.4.4 lxml==4.2.5
svg.path==2.2 svg.path==3.0
Wand==0.5.0