add boost on mac

macx64/include/boost/gil/io/read_view.hpp

@@ -0,0 +1,176 @@
+//
+// Copyright 2007-2012 Christian Henning, Andreas Pokorny, Lubomir Bourdev
+//
+// 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_READ_VIEW_HPP
+#define BOOST_GIL_IO_READ_VIEW_HPP
+
+#include <boost/gil/io/base.hpp>
+#include <boost/gil/io/conversion_policies.hpp>
+#include <boost/gil/io/device.hpp>
+#include <boost/gil/io/get_reader.hpp>
+#include <boost/gil/io/path_spec.hpp>
+
+#include <boost/mpl/and.hpp>
+#include <boost/type_traits/is_base_and_derived.hpp>
+
+#include <type_traits>
+
+namespace boost { namespace gil {
+
+/// \ingroup IO
+
+/// \brief Reads an image view without conversion. No memory is allocated.
+/// \param reader    An image reader.
+/// \param view      The image view in which the data is read into.
+/// \param settings  Specifies read settings depending on the image format.
+/// \throw std::ios_base::failure
+template <typename Reader, typename View>
+inline
+void read_view(Reader reader, View const& view,
+    typename std::enable_if
+    <
+        mpl::and_
+        <
+            detail::is_reader<Reader>,
+            typename is_format_tag<typename Reader::format_tag_t>::type,
+            typename is_read_supported
+            <
+                typename get_pixel_type<View>::type,
+                typename Reader::format_tag_t
+            >::type
+        >::value
+    >::type* /*dummy*/ = nullptr)
+{
+    reader.check_image_size(view.dimensions());
+    reader.init_view(view, reader._settings);
+    reader.apply(view);
+}
+
+/// \brief Reads an image view without conversion. No memory is allocated.
+/// \param file      It's a device. Must satisfy is_input_device metafunction.
+/// \param view      The image view in which the data is read into.
+/// \param settings  Specifies read settings depending on the image format.
+/// \throw std::ios_base::failure
+template <typename Device, typename View, typename FormatTag>
+inline
+void read_view(
+    Device& file,
+    View const& view,
+    image_read_settings<FormatTag> const& settings,
+    typename std::enable_if
+    <
+        mpl::and_
+        <
+            detail::is_read_device<FormatTag, Device>,
+            typename is_format_tag<FormatTag>::type,
+            typename is_read_supported
+            <
+                typename get_pixel_type<View>::type,
+                FormatTag
+            >::type
+        >::value
+    >::type* /*dummy*/ = nullptr)
+{
+    using reader_t =
+        typename get_reader<Device, FormatTag, detail::read_and_no_convert>::type;
+
+    reader_t reader = make_reader(file, settings, detail::read_and_no_convert());
+    read_view(reader, view);
+}
+
+/// \brief Reads an image view without conversion. No memory is allocated.
+/// \param file It's a device. Must satisfy is_input_device metafunction or is_adaptable_input_device.
+/// \param view The image view in which the data is read into.
+/// \param tag  Defines the image format. Must satisfy is_format_tag metafunction.
+/// \throw std::ios_base::failure
+template <typename Device, typename View, typename FormatTag>
+inline
+void read_view(Device& file, View const& view, FormatTag const& tag,
+    typename std::enable_if
+    <
+        mpl::and_
+        <
+            typename is_format_tag<FormatTag>::type,
+            detail::is_read_device<FormatTag, Device>,
+            typename is_read_supported
+            <
+                typename get_pixel_type<View>::type,
+                FormatTag
+            >::type
+        >::value>::type* /*dummy*/ = nullptr)
+{
+    using reader_t =
+        typename get_reader<Device, FormatTag, detail::read_and_no_convert>::type;
+
+    reader_t reader = make_reader(file, tag, detail::read_and_no_convert());
+    read_view(reader, view);
+}
+
+/// \brief Reads an image view without conversion. No memory is allocated.
+/// \param file_name File name. Must satisfy is_supported_path_spec metafunction.
+/// \param view      The image view in which the data is read into.
+/// \param settings  Specifies read settings depending on the image format.
+/// \throw std::ios_base::failure
+template <typename String, typename View, typename FormatTag>
+inline
+void read_view(
+    String const& file_name,
+    View const& view,
+    image_read_settings<FormatTag> const& settings,
+    typename std::enable_if
+    <
+        mpl::and_
+        <
+            typename detail::is_supported_path_spec<String>::type,
+            typename is_format_tag<FormatTag>::type,
+            typename is_read_supported
+            <
+                typename get_pixel_type<View>::type,
+                FormatTag
+            >::type
+        >::value
+    >::type* /*dummy*/ = nullptr)
+{
+    using reader_t =
+        typename get_reader<String, FormatTag, detail::read_and_no_convert>::type;
+
+    reader_t reader = make_reader(file_name, settings, detail::read_and_no_convert());
+    read_view(reader, view);
+}
+
+/// \brief Reads an image view without conversion. No memory is allocated.
+/// \param file_name File name. Must satisfy is_supported_path_spec metafunction.
+/// \param view      The image view in which the data is read into.
+/// \param tag       Defines the image format. Must satisfy is_format_tag metafunction.
+/// \throw std::ios_base::failure
+template <typename String, typename View, typename FormatTag>
+inline
+void read_view(String const& file_name, View const& view, FormatTag const& tag,
+    typename std::enable_if
+    <
+        mpl::and_
+        <
+            typename detail::is_supported_path_spec<String>::type,
+            typename is_format_tag<FormatTag>::type,
+            typename is_read_supported
+            <
+                typename get_pixel_type<View>::type,
+                FormatTag
+            >::type
+        >::value
+    >::type* /*dummy*/ = nullptr)
+{
+    using reader_t =
+        typename get_reader<String, FormatTag, detail::read_and_no_convert>::type;
+
+    reader_t reader = make_reader(file_name, tag, detail::read_and_no_convert());
+    read_view(reader, view);
+}
+
+}}  // namespace boost::gil
+
+#endif