Added thirdparty: boost library

thirdparty/include/boost/gil/io/make_dynamic_image_writer.hpp

@@ -0,0 +1,141 @@
+//
+// Copyright 2012 Christian Henning
+//
+// Distributed under the Boost Software License, Version 1.0
+// See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt
+//
+#ifndef BOOST_GIL_IO_MAKE_DYNAMIC_IMAGE_WRITER_HPP
+#define BOOST_GIL_IO_MAKE_DYNAMIC_IMAGE_WRITER_HPP
+
+#include <boost/gil/detail/mp11.hpp>
+#include <boost/gil/io/get_writer.hpp>
+
+#include <type_traits>
+
+namespace boost { namespace gil {
+
+template <typename String, typename FormatTag>
+inline
+auto make_dynamic_image_writer(
+    String const& file_name, image_write_info<FormatTag> const& info,
+    typename std::enable_if
+    <
+        mp11::mp_and
+        <
+            detail::is_supported_path_spec<String>,
+            is_format_tag<FormatTag>
+        >::value
+    >::type* /*dummy*/ = nullptr)
+    -> typename get_dynamic_image_writer<String, FormatTag>::type
+{
+    using deveice_t = typename get_write_device<String, FormatTag>::type;
+    deveice_t device(
+        detail::convert_to_native_string(file_name),
+        typename detail::file_stream_device<FormatTag>::write_tag());
+
+    return typename get_dynamic_image_writer<String, FormatTag>::type(device, info);
+}
+
+template< typename FormatTag >
+inline
+auto make_dynamic_image_writer(std::wstring const& file_name, image_write_info<FormatTag> const& info)
+    -> typename get_dynamic_image_writer< std::wstring, FormatTag>::type
+{
+    const char* str = detail::convert_to_native_string( file_name );
+
+    typename get_write_device< std::wstring
+                    , FormatTag
+                    >::type device( str
+                                  , typename detail::file_stream_device< FormatTag >::write_tag()
+                                  );
+
+    delete[] str; // TODO: RAII
+
+    return typename get_dynamic_image_writer< std::wstring
+                                            , FormatTag
+                                            >::type( device
+                                                   , info
+                                                   );
+}
+
+template <typename FormatTag>
+inline
+auto make_dynamic_image_writer(detail::filesystem::path const& path, image_write_info<FormatTag> const& info)
+    -> typename get_dynamic_image_writer<std::wstring, FormatTag>::type
+{
+    return make_dynamic_image_writer(path.wstring(), info);
+}
+
+template <typename Device, typename FormatTag>
+inline
+auto make_dynamic_image_writer(Device& file, image_write_info<FormatTag> const& info,
+    typename std::enable_if
+    <
+        mp11::mp_and
+        <
+            typename detail::is_adaptable_output_device<FormatTag, Device>::type,
+            is_format_tag<FormatTag>
+        >::value
+    >::type* /*dummy*/ = nullptr)
+    -> typename get_dynamic_image_writer<Device, FormatTag>::type
+{
+    typename get_write_device<Device, FormatTag>::type device(file);
+    return typename get_dynamic_image_writer<Device, FormatTag>::type(device, info);
+}
+
+// no image_write_info
+
+template <typename String, typename FormatTag>
+inline
+auto make_dynamic_image_writer(String const& file_name, FormatTag const&,
+    typename std::enable_if
+    <
+        mp11::mp_and
+        <
+            detail::is_supported_path_spec<String>,
+            is_format_tag<FormatTag>
+        >::value
+    >::type* /*dummy*/ = nullptr)
+    -> typename get_dynamic_image_writer<String, FormatTag>::type
+{
+    return make_dynamic_image_writer(file_name, image_write_info<FormatTag>());
+}
+
+template <typename FormatTag>
+inline
+auto make_dynamic_image_writer(std::wstring const& file_name, FormatTag const&)
+    -> typename get_dynamic_image_writer<std::wstring, FormatTag>::type
+{
+    return make_dynamic_image_writer( file_name
+                                    , image_write_info< FormatTag >()
+                                    );
+}
+
+template <typename FormatTag>
+inline
+auto make_dynamic_image_writer(detail::filesystem::path const& path, FormatTag const&)
+    -> typename get_dynamic_image_writer<std::wstring, FormatTag>::type
+{
+    return make_dynamic_image_writer(path.wstring(), image_write_info<FormatTag>());
+}
+
+template <typename Device, typename FormatTag>
+inline
+auto make_dynamic_image_writer(Device& file, FormatTag const&,
+    typename std::enable_if
+    <
+        mp11::mp_and
+        <
+            typename detail::is_adaptable_output_device<FormatTag, Device>::type,
+            is_format_tag<FormatTag>
+        >::value
+    >::type* /*dummy*/ = nullptr)
+    -> typename get_dynamic_image_writer<Device, FormatTag>::type
+{
+    return make_dynamic_image_writer(file, image_write_info<FormatTag>());
+}
+
+}} // namespace boost::gil
+
+#endif