fix getting colorspace for overlay images (#1373)

strukturag · Nov 7, 2024 · 95e9495 · 95e9495
1 parent a86f00e
commit 95e9495
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diff --git a/libheif/image-items/overlay.cc b/libheif/image-items/overlay.cc
@@ -390,6 +390,15 @@ int ImageItem_Overlay::get_chroma_bits_per_pixel() const
 }
 
 
+Error ImageItem_Overlay::get_coded_image_colorspace(heif_colorspace* out_colorspace, heif_chroma* out_chroma) const
+{
+  *out_colorspace = heif_colorspace_RGB;
+  *out_chroma = heif_chroma_444;
+
+  return Error::Ok;
+}
+
+
 Result<std::shared_ptr<ImageItem_Overlay>> ImageItem_Overlay::add_new_overlay_item(HeifContext* ctx, const ImageOverlay& overlayspec)
 {
   if (overlayspec.get_num_offsets() > 0xFFFF) {

diff --git a/libheif/image-items/overlay.h b/libheif/image-items/overlay.h
@@ -103,6 +103,8 @@ class ImageItem_Overlay : public ImageItem
 
   int get_chroma_bits_per_pixel() const override;
 
+  Error get_coded_image_colorspace(heif_colorspace* out_colorspace, heif_chroma* out_chroma) const override;
+
   Result<CodedImageData> encode(const std::shared_ptr<HeifPixelImage>& image,
                                 struct heif_encoder* encoder,
                                 const struct heif_encoding_options& options,