From bfbb4f1c48c4ba8b02f75905db3c93af0905a349 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Fri, 15 Sep 2023 11:35:35 +0530
Subject: [PATCH] String representation of /Image for debugging

---
 src/calibre/utils/podofo/images.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/calibre/utils/podofo/images.cpp b/src/calibre/utils/podofo/images.cpp
index 9fa0d18946..64258265bb 100644
--- a/src/calibre/utils/podofo/images.cpp
+++ b/src/calibre/utils/podofo/images.cpp
@@ -6,6 +6,8 @@
  */
 
 #include "global.h"
+#include <functional>
+#include <string>
 
 using namespace pdf;
 
@@ -49,6 +51,10 @@ class Image {
         }
         std::size_t hash() const noexcept { return buf.size(); }
         const PdfReference& reference() const noexcept { return ref; }
+        std::string ToString() const {
+            std::hash<std::string> s;
+            return "Image(ref=" + ref.ToString() + ", width="s + std::to_string(width) + ", height="s + std::to_string(height) + ", smask="s + smask.ToString() + ", digest=" + std::to_string(s(buf)) + ")";
+        }
 };
 
 struct ImageHasher {