--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mupdf-source/thirdparty/openjpeg/src/lib/openjp2/mct.h	Mon Sep 15 11:43:07 2025 +0200
@@ -0,0 +1,160 @@
+/*
+ * The copyright in this software is being made available under the 2-clauses
+ * BSD License, included below. This software may be subject to other third
+ * party and contributor rights, including patent rights, and no such rights
+ * are granted under this license.
+ *
+ * Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium
+ * Copyright (c) 2002-2014, Professor Benoit Macq
+ * Copyright (c) 2001-2003, David Janssens
+ * Copyright (c) 2002-2003, Yannick Verschueren
+ * Copyright (c) 2003-2007, Francois-Olivier Devaux
+ * Copyright (c) 2003-2014, Antonin Descampe
+ * Copyright (c) 2005, Herve Drolon, FreeImage Team
+ * Copyright (c) 2008, 2011-2012, Centre National d'Etudes Spatiales (CNES), FR
+ * Copyright (c) 2012, CS Systemes d'Information, France
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef OPJ_MCT_H
+#define OPJ_MCT_H
+/**
+@file mct.h
+@brief Implementation of a multi-component transforms (MCT)
+
+The functions in MCT.C have for goal to realize reversible and irreversible multicomponent
+transform. The functions in MCT.C are used by some function in TCD.C.
+*/
+
+/** @defgroup MCT MCT - Implementation of a multi-component transform */
+/*@{*/
+
+/** @name Exported functions */
+/*@{*/
+/* ----------------------------------------------------------------------- */
+/**
+Apply a reversible multi-component transform to an image
+@param c0 Samples for red component
+@param c1 Samples for green component
+@param c2 Samples blue component
+@param n Number of samples for each component
+*/
+void opj_mct_encode(OPJ_INT32* OPJ_RESTRICT c0, OPJ_INT32* OPJ_RESTRICT c1,
+                    OPJ_INT32* OPJ_RESTRICT c2, OPJ_SIZE_T n);
+/**
+Apply a reversible multi-component inverse transform to an image
+@param c0 Samples for luminance component
+@param c1 Samples for red chrominance component
+@param c2 Samples for blue chrominance component
+@param n Number of samples for each component
+*/
+void opj_mct_decode(OPJ_INT32* OPJ_RESTRICT c0, OPJ_INT32* OPJ_RESTRICT c1,
+                    OPJ_INT32* OPJ_RESTRICT c2, OPJ_SIZE_T n);
+/**
+Get norm of the basis function used for the reversible multi-component transform
+@param compno Number of the component (0->Y, 1->U, 2->V)
+@return
+*/
+OPJ_FLOAT64 opj_mct_getnorm(OPJ_UINT32 compno);
+
+/**
+Apply an irreversible multi-component transform to an image
+@param c0 Samples for red component
+@param c1 Samples for green component
+@param c2 Samples blue component
+@param n Number of samples for each component
+*/
+void opj_mct_encode_real(OPJ_FLOAT32* OPJ_RESTRICT c0,
+                         OPJ_FLOAT32* OPJ_RESTRICT c1,
+                         OPJ_FLOAT32* OPJ_RESTRICT c2, OPJ_SIZE_T n);
+/**
+Apply an irreversible multi-component inverse transform to an image
+@param c0 Samples for luminance component
+@param c1 Samples for red chrominance component
+@param c2 Samples for blue chrominance component
+@param n Number of samples for each component
+*/
+void opj_mct_decode_real(OPJ_FLOAT32* OPJ_RESTRICT c0,
+                         OPJ_FLOAT32* OPJ_RESTRICT c1, OPJ_FLOAT32* OPJ_RESTRICT c2, OPJ_SIZE_T n);
+/**
+Get norm of the basis function used for the irreversible multi-component transform
+@param compno Number of the component (0->Y, 1->U, 2->V)
+@return
+*/
+OPJ_FLOAT64 opj_mct_getnorm_real(OPJ_UINT32 compno);
+
+/**
+FIXME DOC
+@param p_coding_data    MCT data
+@param n                size of components
+@param p_data           components
+@param p_nb_comp        nb of components (i.e. size of p_data)
+@param is_signed        tells if the data is signed
+@return OPJ_FALSE if function encounter a problem, OPJ_TRUE otherwise
+*/
+OPJ_BOOL opj_mct_encode_custom(
+    OPJ_BYTE * p_coding_data,
+    OPJ_SIZE_T n,
+    OPJ_BYTE ** p_data,
+    OPJ_UINT32 p_nb_comp,
+    OPJ_UINT32 is_signed);
+/**
+FIXME DOC
+@param pDecodingData    MCT data
+@param n                size of components
+@param pData            components
+@param pNbComp          nb of components (i.e. size of p_data)
+@param isSigned         tells if the data is signed
+@return OPJ_FALSE if function encounter a problem, OPJ_TRUE otherwise
+*/
+OPJ_BOOL opj_mct_decode_custom(
+    OPJ_BYTE * pDecodingData,
+    OPJ_SIZE_T n,
+    OPJ_BYTE ** pData,
+    OPJ_UINT32 pNbComp,
+    OPJ_UINT32 isSigned);
+/**
+FIXME DOC
+@param pNorms           MCT data
+@param p_nb_comps       size of components
+@param pMatrix          components
+@return
+*/
+void opj_calculate_norms(OPJ_FLOAT64 * pNorms,
+                         OPJ_UINT32 p_nb_comps,
+                         OPJ_FLOAT32 * pMatrix);
+/**
+FIXME DOC
+*/
+const OPJ_FLOAT64 * opj_mct_get_mct_norms(void);
+/**
+FIXME DOC
+*/
+const OPJ_FLOAT64 * opj_mct_get_mct_norms_real(void);
+/* ----------------------------------------------------------------------- */
+/*@}*/
+
+/*@}*/
+
+#endif /* OPJ_MCT_H */