Merge pull request #1463 from rouault/fix_570

rouault · web-flow · commit 1ee6d115e800 · 2023-03-26T16:08:24.000+02:00
opj_jp2_read_header(): move setting color_space here instead in opj_jp2_decode()/get_tile() (fixes #570)
diff --git a/src/lib/openjp2/jp2.c b/src/lib/openjp2/jp2.c
@@ -1594,22 +1594,10 @@ static OPJ_BOOL opj_jp2_read_colr(opj_jp2_t *jp2,
     return OPJ_TRUE;
 }
 
-OPJ_BOOL opj_jp2_decode(opj_jp2_t *jp2,
-                        opj_stream_private_t *p_stream,
-                        opj_image_t* p_image,
-                        opj_event_mgr_t * p_manager)
+static OPJ_BOOL opj_jp2_apply_color_postprocessing(opj_jp2_t *jp2,
+        opj_image_t* p_image,
+        opj_event_mgr_t * p_manager)
 {
-    if (!p_image) {
-        return OPJ_FALSE;
-    }
-
-    /* J2K decoding */
-    if (! opj_j2k_decode(jp2->j2k, p_stream, p_image, p_manager)) {
-        opj_event_msg(p_manager, EVT_ERROR,
-                      "Failed to decode the codestream in the JP2 file\n");
-        return OPJ_FALSE;
-    }
-
     if (jp2->j2k->m_specific_param.m_decoder.m_numcomps_to_decode) {
         /* Bypass all JP2 component transforms */
         return OPJ_TRUE;
@@ -1620,21 +1608,6 @@ OPJ_BOOL opj_jp2_decode(opj_jp2_t *jp2,
             return OPJ_FALSE;
         }
 
-        /* Set Image Color Space */
-        if (jp2->enumcs == 16) {
-            p_image->color_space = OPJ_CLRSPC_SRGB;
-        } else if (jp2->enumcs == 17) {
-            p_image->color_space = OPJ_CLRSPC_GRAY;
-        } else if (jp2->enumcs == 18) {
-            p_image->color_space = OPJ_CLRSPC_SYCC;
-        } else if (jp2->enumcs == 24) {
-            p_image->color_space = OPJ_CLRSPC_EYCC;
-        } else if (jp2->enumcs == 12) {
-            p_image->color_space = OPJ_CLRSPC_CMYK;
-        } else {
-            p_image->color_space = OPJ_CLRSPC_UNKNOWN;
-        }
-
         if (jp2->color.jp2_pclr) {
             /* Part 1, I.5.3.4: Either both or none : */
             if (!jp2->color.jp2_pclr->cmap) {
@@ -1650,17 +1623,30 @@ OPJ_BOOL opj_jp2_decode(opj_jp2_t *jp2,
         if (jp2->color.jp2_cdef) {
             opj_jp2_apply_cdef(p_image, &(jp2->color), p_manager);
         }
-
-        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;
 }
 
+OPJ_BOOL opj_jp2_decode(opj_jp2_t *jp2,
+                        opj_stream_private_t *p_stream,
+                        opj_image_t* p_image,
+                        opj_event_mgr_t * p_manager)
+{
+    if (!p_image) {
+        return OPJ_FALSE;
+    }
+
+    /* J2K decoding */
+    if (! opj_j2k_decode(jp2->j2k, p_stream, p_image, p_manager)) {
+        opj_event_msg(p_manager, EVT_ERROR,
+                      "Failed to decode the codestream in the JP2 file\n");
+        return OPJ_FALSE;
+    }
+
+    return opj_jp2_apply_color_postprocessing(jp2, p_image, p_manager);
+}
+
 static OPJ_BOOL opj_jp2_write_jp2h(opj_jp2_t *jp2,
                                    opj_stream_private_t *stream,
                                    opj_event_mgr_t * p_manager
@@ -2843,6 +2829,8 @@ OPJ_BOOL opj_jp2_read_header(opj_stream_private_t *p_stream,
                              opj_event_mgr_t * p_manager
                             )
 {
+    int ret;
+
     /* preconditions */
     assert(jp2 != 00);
     assert(p_stream != 00);
@@ -2876,10 +2864,34 @@ OPJ_BOOL opj_jp2_read_header(opj_stream_private_t *p_stream,
         return OPJ_FALSE;
     }
 
-    return opj_j2k_read_header(p_stream,
-                               jp2->j2k,
-                               p_image,
-                               p_manager);
+    ret = opj_j2k_read_header(p_stream,
+                              jp2->j2k,
+                              p_image,
+                              p_manager);
+
+    if (p_image && *p_image) {
+        /* Set Image Color Space */
+        if (jp2->enumcs == 16) {
+            (*p_image)->color_space = OPJ_CLRSPC_SRGB;
+        } else if (jp2->enumcs == 17) {
+            (*p_image)->color_space = OPJ_CLRSPC_GRAY;
+        } else if (jp2->enumcs == 18) {
+            (*p_image)->color_space = OPJ_CLRSPC_SYCC;
+        } else if (jp2->enumcs == 24) {
+            (*p_image)->color_space = OPJ_CLRSPC_EYCC;
+        } else if (jp2->enumcs == 12) {
+            (*p_image)->color_space = OPJ_CLRSPC_CMYK;
+        } else {
+            (*p_image)->color_space = OPJ_CLRSPC_UNKNOWN;
+        }
+
+        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 ret;
 }
 
 static OPJ_BOOL opj_jp2_setup_encoding_validation(opj_jp2_t *jp2,
@@ -3123,53 +3135,7 @@ OPJ_BOOL opj_jp2_get_tile(opj_jp2_t *p_jp2,
         return OPJ_FALSE;
     }
 
-    if (p_jp2->j2k->m_specific_param.m_decoder.m_numcomps_to_decode) {
-        /* Bypass all JP2 component transforms */
-        return OPJ_TRUE;
-    }
-
-    if (!opj_jp2_check_color(p_image, &(p_jp2->color), p_manager)) {
-        return OPJ_FALSE;
-    }
-
-    /* Set Image Color Space */
-    if (p_jp2->enumcs == 16) {
-        p_image->color_space = OPJ_CLRSPC_SRGB;
-    } else if (p_jp2->enumcs == 17) {
-        p_image->color_space = OPJ_CLRSPC_GRAY;
-    } else if (p_jp2->enumcs == 18) {
-        p_image->color_space = OPJ_CLRSPC_SYCC;
-    } else if (p_jp2->enumcs == 24) {
-        p_image->color_space = OPJ_CLRSPC_EYCC;
-    } else if (p_jp2->enumcs == 12) {
-        p_image->color_space = OPJ_CLRSPC_CMYK;
-    } else {
-        p_image->color_space = OPJ_CLRSPC_UNKNOWN;
-    }
-
-    if (p_jp2->color.jp2_pclr) {
-        /* Part 1, I.5.3.4: Either both or none : */
-        if (!p_jp2->color.jp2_pclr->cmap) {
-            opj_jp2_free_pclr(&(p_jp2->color));
-        } else {
-            if (!opj_jp2_apply_pclr(p_image, &(p_jp2->color), p_manager)) {
-                return OPJ_FALSE;
-            }
-        }
-    }
-
-    /* Apply the color space if needed */
-    if (p_jp2->color.jp2_cdef) {
-        opj_jp2_apply_cdef(p_image, &(p_jp2->color), p_manager);
-    }
-
-    if (p_jp2->color.icc_profile_buf) {
-        p_image->icc_profile_buf = p_jp2->color.icc_profile_buf;
-        p_image->icc_profile_len = p_jp2->color.icc_profile_len;
-        p_jp2->color.icc_profile_buf = NULL;
-    }
-
-    return OPJ_TRUE;
+    return opj_jp2_apply_color_postprocessing(p_jp2, p_image, p_manager);
 }
 
 /* ----------------------------------------------------------------------- */
diff --git a/tests/unit/CMakeLists.txt b/tests/unit/CMakeLists.txt
@@ -15,3 +15,7 @@ foreach(ut ${unit_test})
   target_link_libraries(${ut} openjp2)
   add_test(NAME ${ut} COMMAND ${ut})
 endforeach()
+
+add_executable(testjp2 testjp2.c)
+target_link_libraries(testjp2 openjp2)
+add_test(NAME testjp2 COMMAND testjp2 ${OPJ_DATA_ROOT})
diff --git a/tests/unit/testjp2.c b/tests/unit/testjp2.c
@@ -0,0 +1,144 @@
+/*
+ * Copyright (c) 2023, Even Rouault
+ * 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.
+ */
+
+#include <stdlib.h>
+
+#include "openjpeg.h"
+
+static void test_colorspace(const char* pszDirectory)
+{
+    char szFile[2048];
+    opj_image_t* image = NULL;
+    opj_stream_t *l_stream = NULL;              /* Stream */
+    opj_codec_t* l_codec = NULL;                /* Handle to a decompressor */
+    opj_dparameters_t parameters;               /* decompression parameters */
+
+    snprintf(szFile, sizeof(szFile), "%s/input/conformance/file1.jp2",
+             pszDirectory);
+    l_stream = opj_stream_create_default_file_stream(szFile, 1);
+    if (!l_stream) {
+        fprintf(stderr, "ERROR -> failed to create the stream from the file %s\n",
+                szFile);
+        exit(1);
+    }
+    l_codec = opj_create_decompress(OPJ_CODEC_JP2);
+
+    /* Setup the decoder */
+    opj_set_default_decoder_parameters(&parameters);
+    if (!opj_setup_decoder(l_codec, &parameters)) {
+        fprintf(stderr, "ERROR -> opj_decompress: failed to setup the decoder\n");
+        opj_stream_destroy(l_stream);
+        opj_destroy_codec(l_codec);
+        exit(1);
+    }
+
+    /* Read the main header of the codestream and if necessary the JP2 boxes*/
+    if (! opj_read_header(l_stream, l_codec, &image)) {
+        fprintf(stderr, "ERROR -> opj_decompress: failed to read the header\n");
+        opj_stream_destroy(l_stream);
+        opj_destroy_codec(l_codec);
+        opj_image_destroy(image);
+        exit(1);
+    }
+
+    /* Check that color_space is set after opj_read_header() */
+    if (image->color_space != OPJ_CLRSPC_SRGB) {
+        fprintf(stderr, "ERROR -> image->color_space (=%d) != OPJ_CLRSPC_SRGB\n",
+                image->color_space);
+        opj_stream_destroy(l_stream);
+        opj_destroy_codec(l_codec);
+        opj_image_destroy(image);
+        exit(1);
+    }
+
+    opj_destroy_codec(l_codec);
+    opj_stream_destroy(l_stream);
+    opj_image_destroy(image);
+}
+
+static void test_iccprofile(const char* pszDirectory)
+{
+    char szFile[2048];
+    opj_image_t* image = NULL;
+    opj_stream_t *l_stream = NULL;              /* Stream */
+    opj_codec_t* l_codec = NULL;                /* Handle to a decompressor */
+    opj_dparameters_t parameters;               /* decompression parameters */
+
+    snprintf(szFile, sizeof(szFile), "%s/input/nonregression/relax.jp2",
+             pszDirectory);
+    l_stream = opj_stream_create_default_file_stream(szFile, 1);
+    if (!l_stream) {
+        fprintf(stderr, "ERROR -> failed to create the stream from the file %s\n",
+                szFile);
+        exit(1);
+    }
+    l_codec = opj_create_decompress(OPJ_CODEC_JP2);
+
+    /* Setup the decoder */
+    opj_set_default_decoder_parameters(&parameters);
+    if (!opj_setup_decoder(l_codec, &parameters)) {
+        fprintf(stderr, "ERROR -> opj_decompress: failed to setup the decoder\n");
+        opj_stream_destroy(l_stream);
+        opj_destroy_codec(l_codec);
+        exit(1);
+    }
+
+    /* Read the main header of the codestream and if necessary the JP2 boxes*/
+    if (! opj_read_header(l_stream, l_codec, &image)) {
+        fprintf(stderr, "ERROR -> opj_decompress: failed to read the header\n");
+        opj_stream_destroy(l_stream);
+        opj_destroy_codec(l_codec);
+        opj_image_destroy(image);
+        exit(1);
+    }
+
+    /* Check that icc_profile_len is set after opj_read_header() */
+    if (image->icc_profile_len != 278) {
+        fprintf(stderr, "ERROR -> image->icc_profile_len (=%d) != 278\n",
+                image->icc_profile_len);
+        opj_stream_destroy(l_stream);
+        opj_destroy_codec(l_codec);
+        opj_image_destroy(image);
+        exit(1);
+    }
+
+    opj_destroy_codec(l_codec);
+    opj_stream_destroy(l_stream);
+    opj_image_destroy(image);
+}
+
+int main(int argc, char* argv[])
+{
+    if (argc != 2) {
+        fprintf(stderr, "usage: testjp2 /path/to/opj_data_root\n");
+        exit(1);
+    }
+
+    test_colorspace(argv[1]);
+    test_iccprofile(argv[1]);
+
+    return 0;
+}
