Add tentative S-Gamut3/S-Log3 colourspace support.

1 files changed, 51 insertions, 0 deletions

diff --git a/src/identity_transfer_function.h b/src/identity_transfer_function.h
new file mode 100644
index 00000000..f157cd6f
--- /dev/null
+++ b/src/identity_transfer_function.h
@@ -0,0 +1,51 @@
+/*
+    Copyright (C) 2016 Carl Hetherington <cth@carlh.net>
+
+    This file is part of libdcp.
+
+    libdcp is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    libdcp is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with libdcp.  If not, see <http://www.gnu.org/licenses/>.
+
+    In addition, as a special exception, the copyright holders give
+    permission to link the code of portions of this program with the
+    OpenSSL library under certain conditions as described in each
+    individual source file, and distribute linked combinations
+    including the two.
+
+    You must obey the GNU General Public License in all respects
+    for all of the code used other than OpenSSL.  If you modify
+    file(s) with this exception, you may extend this exception to your
+    version of the file(s), but you are not obligated to do so.  If you
+    do not wish to do so, delete this exception statement from your
+    version.  If you delete this exception statement from all source
+    files in the program, then also delete it here.
+*/
+
+/** @file  src/identity_transfer_function.h
+ *  @brief IdentityTransferFunction class.
+ */
+
+#include "transfer_function.h"
+
+namespace dcp {
+
+class IdentityTransferFunction : public TransferFunction
+{
+public:
+	bool about_equal (boost::shared_ptr<const TransferFunction> other, double epsilon) const;
+
+protected:
+	double * make_lut (int bit_depth, bool inverse) const;
+};
+
+}