Add Chromium-only Blender WebEngine parity work

blender-5.2.0/source/blender/imbuf/intern/metadata.cc

@@ -0,0 +1,99 @@
+/* SPDX-FileCopyrightText: 2024 Blender Authors
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later */
+
+/** \file
+ * \ingroup imbuf
+ */
+
+#include <cstdlib>
+#include <cstring>
+
+#include "BLI_listbase.h"
+#include "BLI_string.h"
+
+#include "BKE_idprop.hh"
+
+#include "DNA_ID.h" /* ID property definitions. */
+
+#include "IMB_imbuf_types.hh"
+
+#include "IMB_metadata.hh"
+
+namespace blender {
+
+void IMB_metadata_ensure(IDProperty **metadata)
+{
+  if (*metadata != nullptr) {
+    return;
+  }
+
+  *metadata = bke::idprop::create_group("metadata").release();
+}
+
+void IMB_metadata_free(IDProperty *metadata)
+{
+  if (metadata == nullptr) {
+    return;
+  }
+
+  IDP_FreeProperty(metadata);
+}
+
+bool IMB_metadata_get_field(const IDProperty *metadata,
+                            const char *key,
+                            char *value,
+                            const size_t value_maxncpy)
+{
+  if (metadata == nullptr) {
+    return false;
+  }
+
+  IDProperty *prop = IDP_GetPropertyFromGroup(metadata, key);
+
+  if (prop && prop->type == IDP_STRING) {
+    BLI_strncpy(value, IDP_string_get(prop), value_maxncpy);
+    return true;
+  }
+  return false;
+}
+
+void IMB_metadata_copy(ImBuf *ibuf_dst, const ImBuf *ibuf_src)
+{
+  BLI_assert(ibuf_dst != ibuf_src);
+  if (ibuf_src->metadata) {
+    IMB_metadata_free(ibuf_dst->metadata);
+    ibuf_dst->metadata = IDP_CopyProperty(ibuf_src->metadata);
+  }
+}
+
+void IMB_metadata_set_field(IDProperty *metadata, const char *key, const char *value)
+{
+  BLI_assert(metadata);
+  IDProperty *prop = IDP_GetPropertyFromGroup(metadata, key);
+
+  if (prop != nullptr && prop->type != IDP_STRING) {
+    IDP_FreeFromGroup(metadata, prop);
+    prop = nullptr;
+  }
+
+  if (prop) {
+    IDP_AssignString(prop, value);
+  }
+  else {
+    prop = bke::idprop::create(key, value).release();
+    IDP_AddToGroup(metadata, prop);
+  }
+}
+
+void IMB_metadata_foreach(const ImBuf *ibuf, IMBMetadataForeachCb callback, void *userdata)
+{
+  if (ibuf->metadata == nullptr) {
+    return;
+  }
+  for (IDProperty &prop : ibuf->metadata->data.group) {
+    callback(prop.name, IDP_string_get(&prop), userdata);
+  }
+}
+
+}  // namespace blender