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Re^5: How to create and save an image from RGB values

by marioroy (Parson)
on Dec 28, 2021 at 12:39 UTC ( #11139984=note: print w/replies, xml ) Need Help??


in reply to Re^4: How to create and save an image from RGB values
in thread How to create and save an image from RGB values

There is a Mandelbrot folder inside the Imager source tree. It looks like one can specify a filter to Imager. To build, I set the CPATH environment due to unable to find imconfig.h.

$ cpanm Imager $ wget https://cpan.metacpan.org/authors/id/T/TO/TONYC/Imager-1.012.ta +r.gz $ tar xf Imager-1.012.tar.gz && cd Imager-1.012/Mandelbrot $ perl Makefile.PL $ CPATH=~/perl5/perlbrew/perls/perl-5.32.1/lib/site_perl/5.32.1/x86_64 +-linux-thread-multi/Imager/include make $ make install

Running make test inside the Mandelbrot folder fails for me, so I created a script. Rendering and output to PNG takes 0.131 seconds.

use strict; use warnings; use Imager; use Imager::Filter::Mandelbrot; my $im = Imager->new(xsize => 1000, ysize => 1000); $im->filter(type => 'mandelbrot',) or die("# ", $im->errstr, $/); $im->write(file => 'mandel1.png');

The C code calls i_ppix per each pixel.

Replies are listed 'Best First'.
Re^6: How to create and save an image from RGB values
by bliako (Monsignor) on Dec 28, 2021 at 13:12 UTC
    Rendering and output to PNG takes 0.131 seconds.

    that's acceptable (even if i_ppix is setpixel-like).

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