From 9bb5491c06061769e70e32c767f442468cfef511 Mon Sep 17 00:00:00 2001
From: Joni Poikelin <joni.poikelin@qt.io>
Date: Wed, 10 Apr 2019 15:13:16 +0300
Subject: [PATCH] Fix QRasterBuffer::scanLine miscalculation with big images

scanLine is overflowing with big images. Similar change was made in
4f88475a962975ca45994cff9add350344fce4f9 to fix the same issue with
QImage::scanLine.

Fixes: QTBUG-75082
Change-Id: Ifedf28fa9a303c189dfcd12bd4ec11f438540c2e
Reviewed-by: Allan Sandfeld Jensen <allan.jensen@qt.io>
---
 src/gui/painting/qpaintengine_raster_p.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/gui/painting/qpaintengine_raster_p.h b/src/gui/painting/qpaintengine_raster_p.h
index 14eddf07b1..6132366936 100644
--- a/src/gui/painting/qpaintengine_raster_p.h
+++ b/src/gui/painting/qpaintengine_raster_p.h
@@ -448,7 +448,7 @@ public:
 
     void resetBuffer(int val=0);
 
-    uchar *scanLine(int y) { Q_ASSERT(y>=0); Q_ASSERT(y<m_height); return m_buffer + y * bytes_per_line; }
+    uchar *scanLine(int y) { Q_ASSERT(y>=0); Q_ASSERT(y<m_height); return m_buffer + y * qsizetype(bytes_per_line); }
 
 #ifndef QT_NO_DEBUG
     QImage bufferImage() const;