From 9021ff25794e395a544b36d339fff49f163c41fb Mon Sep 17 00:00:00 2001
From: Gary Wang <git@blumia.net>
Date: Wed, 5 Nov 2025 20:23:40 +0800
Subject: [PATCH] fix: inaccurate color when display CMYK images

Resolve https://github.com/BLumia/pineapple-pictures/issues/100
---
 app/graphicsview.cpp | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/app/graphicsview.cpp b/app/graphicsview.cpp
index 37e5b05..2b0d82a 100644
--- a/app/graphicsview.cpp
+++ b/app/graphicsview.cpp
@@ -53,12 +53,15 @@ void GraphicsView::showFileFromPath(const QString &filePath)
         } else if (!imageReader.canRead()) {
             showText(tr("Image data is invalid or currently unsupported"));
         } else {
-            QPixmap && pixmap = QPixmap::fromImageReader(&imageReader);
-            if (pixmap.isNull()) {
+            QImage && img = imageReader.read();
+            if (img.isNull()) {
                 showText(tr("Image data is invalid or currently unsupported"));
             } else {
-                pixmap.setDevicePixelRatio(devicePixelRatioF());
-                showImage(pixmap);
+                if (img.format() == QImage::Format_CMYK8888) {
+                    img.convertToColorSpace(QColorSpace::SRgb);
+                }
+                img.setDevicePixelRatio(devicePixelRatioF());
+                showImage(img);
             }
         }
     }