Re: Create image from pixel values with Imager

in reply to Create image from pixel values with Imager

See RAW. raw_datachannels default is 3. Either set it to 4, or better to 1 but then pack with C*.

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Re^2: Create image from pixel values with Imager by Anonymous Monk on May 17, 2022 at 13:48 UTC
Thank you so much, this works perfectly: `my $img = Imager->new( type => 'raw', xsize => 256, ysize => 256, data => pack('C*', @data), raw_interleave => 0, raw_datachannels => 1, raw_storechannels => 1 ); $img->write(file=>'data.png');` [download]	[reply] [d/l]

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Re^2: Create image from pixel values with Imager
by Anonymous Monk on May 17, 2022 at 13:48 UTC

my $img = Imager->new(
    type  => 'raw',
    xsize => 256,
    ysize => 256,
    data  => pack('C*', @data),
    raw_interleave    => 0,
    raw_datachannels  => 1,
    raw_storechannels => 1
);
$img->write(file=>'data.png');
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