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-rw-r--r--graphics/scaler/thumbnail_intern.cpp6
1 files changed, 3 insertions, 3 deletions
diff --git a/graphics/scaler/thumbnail_intern.cpp b/graphics/scaler/thumbnail_intern.cpp
index 2756e4026a..d51eff59e8 100644
--- a/graphics/scaler/thumbnail_intern.cpp
+++ b/graphics/scaler/thumbnail_intern.cpp
@@ -145,9 +145,9 @@ static void scaleThumbnail(Graphics::Surface &in, Graphics::Surface &out) {
const float xDiff = xFrac - x1;
const float yDiff = yFrac - y1;
- uint8 pR = ((1 - yDiff) * ((1 - xDiff) * p1R + xDiff * p2R) + yDiff * ((1 - xDiff) * p3R + xDiff * p4R));
- uint8 pG = ((1 - yDiff) * ((1 - xDiff) * p1G + xDiff * p2G) + yDiff * ((1 - xDiff) * p3G + xDiff * p4G));
- uint8 pB = ((1 - yDiff) * ((1 - xDiff) * p1B + xDiff * p2B) + yDiff * ((1 - xDiff) * p3B + xDiff * p4B));
+ uint8 pR = (uint8)((1 - yDiff) * ((1 - xDiff) * p1R + xDiff * p2R) + yDiff * ((1 - xDiff) * p3R + xDiff * p4R));
+ uint8 pG = (uint8)((1 - yDiff) * ((1 - xDiff) * p1G + xDiff * p2G) + yDiff * ((1 - xDiff) * p3G + xDiff * p4G));
+ uint8 pB = (uint8)((1 - yDiff) * ((1 - xDiff) * p1B + xDiff * p2B) + yDiff * ((1 - xDiff) * p3B + xDiff * p4B));
WRITE_UINT16(dst, Graphics::RGBToColor<Graphics::ColorMasks<565> >(pR, pG, pB));