5 files changed, 148 insertions, 0 deletions
diff --git a/lib/png/.nix/derivation.nix b/lib/png/.nix/derivation.nix
new file mode 100644
index 0000000..6e52083
--- /dev/null
+++ b/lib/png/.nix/derivation.nix
@@ -0,0 +1,38 @@
+{ lib
+, stdenv
+, scons
+, clang-tools
+, pname
+, version
+, forstio
+, kel-lbm
+, adaptive-cpp
+}:
+
+stdenv.mkDerivation {
+	pname = "${pname}-png";
+	inherit version;
+	src = ./..;
+
+	nativeBuildInputs = [
+		scons
+		clang-tools
+	];
+
+	buildInputs = [
+		forstio.core
+		forstio.async
+		forstio.codec
+		kel-lbm.core
+	];
+
+	doCheck = true;
+	checkPhase = ''
+		scons test
+		./bin/tests
+	'';
+
+	preferLocalBuild = true;
+
+	outputs = [ "out" "dev" ];
+}
diff --git a/lib/png/SConstruct b/lib/png/SConstruct
new file mode 100644
index 0000000..8b3ab01
--- /dev/null
+++ b/lib/png/SConstruct
@@ -0,0 +1,75 @@
+#!/usr/bin/env python3
+
+import sys
+import os
+import os.path
+import glob
+import re
+
+
+if sys.version_info < (3,):
+    def isbasestring(s):
+        return isinstance(s,basestring)
+else:
+    def isbasestring(s):
+        return isinstance(s, (str,bytes))
+
+def add_kel_source_files(self, sources, filetype, lib_env=None, shared=False, target_post=""):
+
+    if isbasestring(filetype):
+        dir_path = self.Dir('.').abspath
+        filetype = sorted(glob.glob(dir_path+"/"+filetype))
+
+    for path in filetype:
+        target_name = re.sub( r'(.*?)(\.cpp|\.c\+\+)', r'\1' + target_post, path )
+        if shared:
+            target_name+='.os'
+            sources.append( self.SharedObject( target=target_name, source=path ) )
+        else:
+            target_name+='.o'
+            sources.append( self.StaticObject( target=target_name, source=path ) )
+    pass
+
+def isAbsolutePath(key, dirname, env):
+	assert os.path.isabs(dirname), "%r must have absolute path syntax" % (key,)
+
+env_vars = Variables(
+	args=ARGUMENTS
+)
+
+env_vars.Add('prefix',
+	help='Installation target location of build results and headers',
+	default='/usr/local/',
+	validator=isAbsolutePath
+)
+
+env=Environment(ENV=os.environ, variables=env_vars, CPPPATH=[],
+    CPPDEFINES=['SAW_UNIX'],
+    CXXFLAGS=[
+        '-std=c++20',
+        '-g',
+        '-Wall',
+        '-Wextra'
+    ],
+    LIBS=[
+        'forstio-core'
+    ]
+);
+env.__class__.add_source_files = add_kel_source_files
+env.Tool('compilation_db');
+env.cdb = env.CompilationDatabase('compile_commands.json');
+
+env.objects = [];
+env.sources = [];
+env.headers = [];
+env.targets = [];
+
+Export('env')
+SConscript('c++/SConscript')
+SConscript('tests/SConscript')
+
+env.Alias('cdb', env.cdb);
+env.Alias('all', [env.targets]);
+env.Default('all');
+
+env.Alias('install', '$prefix')
diff --git a/lib/png/c++/SConscript b/lib/png/c++/SConscript
new file mode 100644
index 0000000..75b8645
--- /dev/null
+++ b/lib/png/c++/SConscript
@@ -0,0 +1,27 @@
+#!/bin/false
+
+import os
+import os.path
+import glob
+
+
+Import('env')
+
+dir_path = Dir('.').abspath
+
+# Environment for base library
+png_env = env.Clone();
+
+png_env.sources = sorted(glob.glob(dir_path + "/*.cpp"));
+png_env.headers = sorted(glob.glob(dir_path + "/*.hpp"));
+
+env.sources += png_env.sources;
+env.headers += png_env.headers;
+
+## Static lib
+objects = []
+png_env.add_source_files(objects, png_env.sources, shared=False);
+env.library_static = png_env.StaticLibrary('#build/kel-lbm-png', [objects]);
+
+env.Install('$prefix/lib/', env.library_static);
+env.Install('$prefix/include/kel/lbm/png/', png_env.headers);
diff --git a/lib/png/c++/png.cpp b/lib/png/c++/png.cpp
new file mode 100644
index 0000000..248a8a5
--- /dev/null
+++ b/lib/png/c++/png.cpp
@@ -0,0 +1 @@
+#include "png.hpp"
diff --git a/lib/png/c++/png.hpp b/lib/png/c++/png.hpp
new file mode 100644
index 0000000..f675a99
--- /dev/null
+++ b/lib/png/c++/png.hpp
@@ -0,0 +1,7 @@
+#pragma once
+
+namespace kel {
+namespace lbm {
+
+}
+}