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transparency and pdf #11

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wants to merge 5 commits into from

2 participants

@gloubidou

added -flatten option to imagemagick to remove transparency. As without this option, jpg image of pdf files that contain transparency are exported with an ugly black background

@jonmagic
Owner

I'll take a look at this as soon as I get home from traveling, probably sometime Tuesday.

@gloubidou

either add the "-flatten" or "-alpha", "remove"
Thanks a lot

@jonmagic jonmagic closed this
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Showing with 1 addition and 1 deletion.
  1. +1 −1  lib/grim/image_magick_processor.rb
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2  lib/grim/image_magick_processor.rb
@@ -23,7 +23,7 @@ def save(pdf, index, path, options)
width = options.fetch(:width, Grim::WIDTH)
density = options.fetch(:density, Grim::DENSITY)
quality = options.fetch(:quality, Grim::QUALITY)
- command = [@imagemagick_path, "-resize", width.to_s, "-antialias", "-render",
+ command = [@imagemagick_path, "-flatten", "-resize", width.to_s, "-antialias", "-render",
"-quality", quality.to_s, "-colorspace", "RGB",
"-interlace", "none", "-density", density.to_s,
"#{Shellwords.shellescape(pdf.path)}[#{index}]", path]
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