From 45384fba0c997dd5cb3d66ffddf9629d3afa0937 Mon Sep 17 00:00:00 2001
From: ut001910 <muyuankai@uniontech.com>
Date: Fri, 9 May 2025 16:41:20 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20=E4=BF=AE=E5=A4=8D=E5=8F=B3=E9=94=AE?=
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修复右键打印不识别改后缀的图片问题

Bug: https://pms.uniontech.com/bug-view-315823.html
Log: 修复右键打印不识别改后缀的图片问题
---
 libimageviewer/quickprint/printimageloader.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/libimageviewer/quickprint/printimageloader.cpp b/libimageviewer/quickprint/printimageloader.cpp
index 585797d5..289d6669 100644
--- a/libimageviewer/quickprint/printimageloader.cpp
+++ b/libimageviewer/quickprint/printimageloader.cpp
@@ -264,6 +264,11 @@ bool PrintImageLoader::loadImageData(PrintImageData::Ptr &imagePtr)
             QImageReader reader(imagePtr->filePath);
             // jumpToImage 可能返回 false, 但数据正常读取
             reader.jumpToImage(imagePtr->frame);
+            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(imagePtr->filePath); //必须重新设置一下文件,才能触发内部加载方式的切换
+            }
             if (!reader.canRead()) {
                 qWarning() << QString("Load multi frame image failed(jump to image): %1").arg(reader.errorString());
                 imagePtr->state = ContentError;