100 lines
3.4 KiB
RPMSpec
100 lines
3.4 KiB
RPMSpec
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#
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# spec file for package perl-Image-Scale
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#
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# Copyright (c) 2015 SUSE LINUX GmbH, Nuernberg, Germany.
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#
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# All modifications and additions to the file contributed by third parties
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# remain the property of their copyright owners, unless otherwise agreed
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# upon. The license for this file, and modifications and additions to the
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# file, is the same license as for the pristine package itself (unless the
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# license for the pristine package is not an Open Source License, in which
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# case the license is the MIT License). An "Open Source License" is a
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# license that conforms to the Open Source Definition (Version 1.9)
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# published by the Open Source Initiative.
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# Please submit bugfixes or comments via http://bugs.opensuse.org/
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#
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%define cpan_name Image-Scale
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Name: perl-Image-Scale
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Version: 0.08
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Release: 0
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Summary: Fast, high-quality fixed-point image resizing
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License: GPL-2.0+
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Group: Development/Libraries/Perl
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Url: http://search.cpan.org/dist/Image-Scale/
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Source: http://www.cpan.org/authors/id/A/AG/AGRUNDMA/%{cpan_name}-%{version}.tar.gz
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# see https://rt.cpan.org/Public/Bug/Display.html?id=79728
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Patch1: png_memecp_fix.patch
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BuildRequires: libjpeg8-devel
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BuildRequires: libpng16-compat-devel
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#BuildRequires: perl(Audio::Scan) >= 0.84
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#BuildRequires: perl(Benchmark::Dumb)
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#BuildRequires: perl(GD)
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#BuildRequires: perl(Image::Scale)
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#BuildRequires: perl(Proc::ProcessTable)
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#BuildRequires: perl(Test::Perl::Critic)
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BuildRequires: libpng16-devel
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BuildRequires: perl
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BuildRequires: perl(Test::NoWarnings)
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BuildRequires: perl(Test::Pod)
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BuildRequires: perl(Test::Pod::Coverage)
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BuildRequires: perl-macros
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BuildRoot: %{_tmppath}/%{name}-%{version}-build
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# src/gif.c is incompatibe with giflib 5.x
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# https://rt.cpan.org/Public/Bug/Display.html?id=101679
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#BuildRequires: giflib-devel
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%{perl_requires}
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%description
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This module implements several resizing algorithms with a focus on low
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overhead, speed and minimal features. Algorithms available are:
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GD's copyResampled (floating-point)
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GD's copyResampled fixed-point (useful on embedded devices/NAS devices)
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GraphicsMagick's assortment of resize filters (floating-point)
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GraphicsMagick's Triangle filter in fixed-point
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Supported image formats include JPEG, GIF, PNG, and BMP for input, and JPEG
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and PNG for output.
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This module came about because we needed to improve the very slow
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performance of floating-point resizing algorithms on platforms without a
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floating-point unit, such as ARM devices like the SheevaPlug, and the
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Sparc-based ReadyNAS Duo. Previously it would take many seconds to resize
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using GD on the ReadyNAS but the conversion to fixed-point with a little
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assembly code brings this down to the range of well under 1 second.
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GD is also incredibly difficult to build on platforms such as Windows so we
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needed a replacement.
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Normal platforms will also see improvement, by removing all of the GD
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overhead this version of copyResampled is around 3 times faster while also
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using less memory.
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The fixed-point versions have an accuracy to around 4 decimal places so the
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quality of floating-point vs. fixed is essentially identical.
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%prep
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%setup -q -n %{cpan_name}-%{version}
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%patch1 -p1
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%build
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perl Makefile.PL INSTALLDIRS=vendor OPTIMIZE="%{optflags}"
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make %{?_smp_mflags}
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%check
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make %{?_smp_mflags} test
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%install
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%perl_make_install
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%perl_process_packlist
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%perl_gen_filelist
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%files -f %{name}.files
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%defattr(-,root,root,755)
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%doc Changes README TODO
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%changelog
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