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# File 'lib/rack_resize/processors/vips.rb', line 9
def resize(source_file:, target_file:, target_width:, target_height:, fit: nil, format: nil, quality: nil, bg_color: nil)
quality ||= RackResize.config.default_quality
cover = (fit == 'cover' || fit == 'crop') && target_width && target_height
image = ImageProcessing::Vips.source(source_file)
image = image.convert(format) if format
if target_width || target_height
image = cover ? image.resize_to_fill(target_width, target_height)
: image.resize_to_limit(target_width, target_height)
end
if bg_color
r, g, b, _a = bg_color
image = image.flatten(background: [r, g, b])
end
image = image.saver(quality: quality)
if target_file
image.call(destination: target_file)
nil
else
begin
tmp_file = image.call
return tmp_file.read
ensure
tmp_file&.unlink
end
end
end
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