From 8525f5318f02199bf8438f3dd09188462bf71cd4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E8=A7=92=E7=A0=82=E7=B3=96?=
 <90336521+lings03@users.noreply.github.com>
Date: Tue, 3 Jun 2025 17:35:17 +0800
Subject: [PATCH] Fix page calculate when showSingleImageOnFirstPage is enabled
 (#391)

---
 lib/pages/reader/reader.dart | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/lib/pages/reader/reader.dart b/lib/pages/reader/reader.dart
index 6b732ba..df047f4 100644
--- a/lib/pages/reader/reader.dart
+++ b/lib/pages/reader/reader.dart
@@ -349,7 +349,11 @@ abstract mixin class _ImagePerPageHandler {
   void initImagesPerPage(int initialPage) {
     _lastImagesPerPage = imagesPerPage;
     if (imagesPerPage != 1) {
-      page = (initialPage / imagesPerPage).ceil();
+      if (showSingleImageOnFirstPage) {
+        page = ((initialPage - 1) / imagesPerPage).ceil() + 1;
+      } else {
+        page = (initialPage / imagesPerPage).ceil();
+      }
     }
   }