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gif() now accepts an argument specifying number of times to loop

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Note that GIF playback might have some variability depending on the
player used: https://github.com/ImageMagick/ImageMagick/issues/263
This commit is contained in:
Sivaramakrishnan Swaminathan 2016-09-13 10:12:44 -04:00
parent 03a9fc3419
commit 9c317b8c3f
1 changed files with 3 additions and 3 deletions
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6
src/animation.jl
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@ -24,7 +24,7 @@ immutable AnimatedGif
filename::String filename::String
end end
function gif(anim::Animation, fn = (isijulia() ? "tmp.gif" : tempname()*".gif"); fps::Integer = 20) function gif(anim::Animation, fn = (isijulia() ? "tmp.gif" : tempname()*".gif"); fps::Integer = 20, loop::Integer = 0)
fn = abspath(fn) fn = abspath(fn)
try try
@ -36,7 +36,7 @@ function gif(anim::Animation, fn = (isijulia() ? "tmp.gif" : tempname()*".gif");
include(file) include(file)
end end
# prefix = get(ENV, "MAGICK_CONFIGURE_PATH", "") # prefix = get(ENV, "MAGICK_CONFIGURE_PATH", "")
run(`convert -delay $speed -loop 0 $(joinpath(anim.dir, "*.png")) -alpha off $fn`) run(`convert -delay $speed -loop $loop $(joinpath(anim.dir, "*.png")) -alpha off $fn`)
catch err catch err
warn("""Tried to create gif using convert (ImageMagick), but got error: $err warn("""Tried to create gif using convert (ImageMagick), but got error: $err
@ -44,7 +44,7 @@ function gif(anim::Animation, fn = (isijulia() ? "tmp.gif" : tempname()*".gif");
Will try ffmpeg, but it's lower quality...)""") Will try ffmpeg, but it's lower quality...)""")
# low quality # low quality
run(`ffmpeg -v 0 -framerate $fps -i $(anim.dir)/%06d.png -y $fn`) run(`ffmpeg -v 0 -framerate $fps -loop $loop -i $(anim.dir)/%06d.png -y $fn`)
# run(`ffmpeg -v warning -i "fps=$fps,scale=320:-1:flags=lanczos"`) # run(`ffmpeg -v warning -i "fps=$fps,scale=320:-1:flags=lanczos"`)
end end