Update GilbertCurve.cpp

mcychan · May 13, 2024 · 4eb27bd · 4eb27bd
1 parent 9f93858
commit 4eb27bd
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/nQuantGpp/GilbertCurve.cpp b/nQuantGpp/GilbertCurve.cpp
@@ -127,7 +127,7 @@ namespace Peano
 				m_lookup[offset] = m_ditherFn(*m_pPalette, c2, bidx) + 1;
 			qPixelIndex = m_lookup[offset] - 1;
 
-			if (m_saliencies != nullptr && CIELABConvertor::Y_Diff(pixel, c2) > nMaxColors - margin) {
+			if (m_saliencies != nullptr && CIELABConvertor::Y_Diff(pixel, c2) > max(1, nMaxColors - margin)) {
 				Vec4b qPixel;
 				GrabPixel(qPixel, *m_pPalette, qPixelIndex, 0);
 				auto strength = 1 / 3.0f;