Decode PPI face payloads

src/assets/ppi_header.h

@@ -1,5 +1,6 @@
 #pragma once
 
+#include "assets/image_pixels.h"
 #include "foundation/result.h"
 
 #include <array>
@@ -104,6 +105,19 @@ struct PpiProjectIndex {
     PpiBodyIndex body;
 };
 
+struct PpiDecodedFacePayload {
+    std::uint32_t layer_index = 0;
+    std::uint32_t frame_index = 0;
+    std::uint32_t face_index = 0;
+    PpiFacePayloadSummary descriptor;
+    Rgba8Image image;
+};
+
+struct PpiDecodedProjectImages {
+    PpiProjectIndex project;
+    std::vector<PpiDecodedFacePayload> faces;
+};
+
 [[nodiscard]] pp::foundation::Result<PpiHeaderInfo> parse_ppi_header(
     std::span<const std::byte> bytes) noexcept;
 
@@ -126,4 +140,7 @@ struct PpiProjectIndex {
 [[nodiscard]] pp::foundation::Result<PpiProjectIndex> parse_ppi_project_index(
     std::span<const std::byte> bytes);
 
+[[nodiscard]] pp::foundation::Result<PpiDecodedProjectImages> decode_ppi_project_images(
+    std::span<const std::byte> bytes);
+
 }