diff --git a/third_party/blurhash/blurhash.cpp b/third_party/blurhash/blurhash.cpp
index 0ff6cb74..cd0a18a4 100644
--- a/third_party/blurhash/blurhash.cpp
+++ b/third_party/blurhash/blurhash.cpp
@@ -251,7 +251,7 @@ multiplyBasisFunction(Components components, int width, int height, unsigned cha
namespace blurhash {
Image
-decode(std::string_view blurhash, size_t width, size_t height)
+decode(std::string_view blurhash, size_t width, size_t height, size_t bytesPerPixel)
{
Image i{};
@@ -295,6 +295,9 @@ decode(std::string_view blurhash, size_t width, size_t height)
i.image.push_back(static_cast<unsigned char>(linearToSrgb(c.r)));
i.image.push_back(static_cast<unsigned char>(linearToSrgb(c.g)));
i.image.push_back(static_cast<unsigned char>(linearToSrgb(c.b)));
+
+ for (size_t p = 3; p < bytesPerPixel; p++)
+ i.image.push_back(255);
}
}
diff --git a/third_party/blurhash/blurhash.hpp b/third_party/blurhash/blurhash.hpp
index 5077f0d5..e01b9b3f 100644
--- a/third_party/blurhash/blurhash.hpp
+++ b/third_party/blurhash/blurhash.hpp
@@ -13,7 +13,7 @@ struct Image
// Decode a blurhash to an image with size width*height
Image
-decode(std::string_view blurhash, size_t width, size_t height);
+decode(std::string_view blurhash, size_t width, size_t height, size_t bytesPerPixel = 3);
// Encode an image of rgb pixels (without padding) with size width*height into a blurhash with x*y
// components
|