From 8e5070f469109b53098754c9a82ffc9f5141d5e7 Mon Sep 17 00:00:00 2001
From: Mickael Savinaud <savmickael@users.noreply.github.com>
Date: Thu, 9 Aug 2012 14:28:35 +0000
Subject: [PATCH] [trunk] add the support of the flag ignore_pclr_cmap_cdef
 into the V2 jp2 functions (but not for box reading); no tests modified

---
 libopenjpeg/jp2.c | 60 +++++++++++++++++++++++------------------------
 libopenjpeg/jp2.h |  3 ++-
 2 files changed, 31 insertions(+), 32 deletions(-)

diff --git a/libopenjpeg/jp2.c b/libopenjpeg/jp2.c
index 524bfa6a..330548c8 100644
--- a/libopenjpeg/jp2.c
+++ b/libopenjpeg/jp2.c
@@ -1775,35 +1775,38 @@ opj_bool jp2_decode_v2(	opj_jp2_v2_t *jp2,
 		opj_event_msg_v2(p_manager, EVT_ERROR, "Failed to decode the codestream in the JP2 file\n");
 		return OPJ_FALSE;
 	}
+    
+    if (!jp2->ignore_pclr_cmap_cdef){
 
-	/* Set Image Color Space */
-	if (jp2->enumcs == 16)
-		p_image->color_space = CLRSPC_SRGB;
-	else if (jp2->enumcs == 17)
-		p_image->color_space = CLRSPC_GRAY;
-	else if (jp2->enumcs == 18)
-		p_image->color_space = CLRSPC_SYCC;
-	else
-		p_image->color_space = CLRSPC_UNKNOWN;
+	    /* Set Image Color Space */
+	    if (jp2->enumcs == 16)
+		    p_image->color_space = CLRSPC_SRGB;
+	    else if (jp2->enumcs == 17)
+		    p_image->color_space = CLRSPC_GRAY;
+	    else if (jp2->enumcs == 18)
+		    p_image->color_space = CLRSPC_SYCC;
+	    else
+		    p_image->color_space = CLRSPC_UNKNOWN;
 
-	/* Apply the color space if needed */
-	if(jp2->color.jp2_cdef) {
-		jp2_apply_cdef(p_image, &(jp2->color));
-	}
+	    /* Apply the color space if needed */
+	    if(jp2->color.jp2_cdef) {
+		    jp2_apply_cdef(p_image, &(jp2->color));
+	    }
 
-	if(jp2->color.jp2_pclr) {
-		/* Part 1, I.5.3.4: Either both or none : */
-		if( !jp2->color.jp2_pclr->cmap)
-			jp2_free_pclr(&(jp2->color));
-		else
-			jp2_apply_pclr(p_image, &(jp2->color));
-	}
+	    if(jp2->color.jp2_pclr) {
+		    /* Part 1, I.5.3.4: Either both or none : */
+		    if( !jp2->color.jp2_pclr->cmap)
+			    jp2_free_pclr(&(jp2->color));
+		    else
+			    jp2_apply_pclr(p_image, &(jp2->color));
+	    }
 
-	if(jp2->color.icc_profile_buf) {
-		p_image->icc_profile_buf = jp2->color.icc_profile_buf;
-		p_image->icc_profile_len = jp2->color.icc_profile_len;
-		jp2->color.icc_profile_buf = NULL;
-	}
+	    if(jp2->color.icc_profile_buf) {
+		    p_image->icc_profile_buf = jp2->color.icc_profile_buf;
+		    p_image->icc_profile_len = jp2->color.icc_profile_len;
+		    jp2->color.icc_profile_buf = NULL;
+	    }
+    }
 
 	return OPJ_TRUE;
 }
@@ -2319,12 +2322,6 @@ void jp2_destroy_decompress(opj_jp2_t *jp2) {
 	}
 }
 
-void jp2_setup_decoder(opj_jp2_t *jp2, opj_dparameters_t *parameters) {
-	/* setup the J2K codec */
-	j2k_setup_decoder(jp2->j2k, parameters);
-	/* further JP2 initializations go here */
-	jp2->ignore_pclr_cmap_cdef = parameters->flags & OPJ_DPARAMETERS_IGNORE_PCLR_CMAP_CDEF_FLAG;
-}
 
 void jp2_setup_decoder_v2(opj_jp2_v2_t *jp2, opj_dparameters_t *parameters)
 {
@@ -2333,6 +2330,7 @@ void jp2_setup_decoder_v2(opj_jp2_v2_t *jp2, opj_dparameters_t *parameters)
 
 	/* further JP2 initializations go here */
 	jp2->color.jp2_has_colr = 0;
+    jp2->ignore_pclr_cmap_cdef = parameters->flags & OPJ_DPARAMETERS_IGNORE_PCLR_CMAP_CDEF_FLAG;
 }
 
 
diff --git a/libopenjpeg/jp2.h b/libopenjpeg/jp2.h
index ad28ba88..4400852e 100644
--- a/libopenjpeg/jp2.h
+++ b/libopenjpeg/jp2.h
@@ -214,7 +214,8 @@ typedef struct opj_jp2_v2
 	OPJ_UINT32 jp2_img_state;
 
 	opj_jp2_color_t color;
-
+    
+    opj_bool ignore_pclr_cmap_cdef;
 }
 opj_jp2_v2_t;