From c6d2663e7b12c42b883b9c1b3d1c76bee616e0f1 Mon Sep 17 00:00:00 2001
From: ut001910 <muyuankai@uniontech.com>
Date: Tue, 1 Apr 2025 16:43:07 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20=E4=BF=AE=E5=A4=8D=E6=9F=A5=E7=9C=8B750?=
 =?UTF-8?q?=20X=207882=E5=B0=BA=E5=AF=B8=E5=9B=BE=E7=89=87=E9=97=AE?=
 =?UTF-8?q?=E9=A2=98?=
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修复查看750 X 7882尺寸图片问题

Bug: https://pms.uniontech.com/bug-view-310713.html
Log: 修复查看750 X 7882尺寸图片问题
---
 libimageviewer/unionimage/unionimage.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/libimageviewer/unionimage/unionimage.cpp b/libimageviewer/unionimage/unionimage.cpp
index 455b0d8a..49e89016 100644
--- a/libimageviewer/unionimage/unionimage.cpp
+++ b/libimageviewer/unionimage/unionimage.cpp
@@ -253,6 +253,12 @@ UNIONIMAGESHARED_EXPORT bool loadStaticImageFromFile(const QString &path, QImage
         QImageReader reader;
         QImage res_qt;
         reader.setFileName(path);
+        //当不能读取数据时,设置以内容判断格式进行加载,这样可以避免后缀名修改后文件无法打开的情况
+        if (!reader.canRead()) {
+            reader.setAutoDetectImageFormat(true);  //控制是否通过内容识别格式
+            reader.setDecideFormatFromContent(true); // 根据内容识别格式
+            reader.setFileName(path); //必须重新设置一下文件,才能触发内部加载方式的切换
+        }
         if (format_bar.isEmpty()) {
             reader.setFormat(file_suffix_lower.toLatin1());
         } else {