37 lines
1.4 KiB
Diff
37 lines
1.4 KiB
Diff
From d6f3c03cf55c98da87e547882379a85ce2b3dc81 Mon Sep 17 00:00:00 2001
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From: Cristy <urban-warrior@imagemagick.org>
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Date: Fri, 11 Oct 2019 20:21:42 -0400
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Subject: [PATCH] https://github.com/ImageMagick/ImageMagick/issues/1740
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---
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magick/quantize.c | 6 +++---
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1 file changed, 3 insertions(+), 3 deletions(-)
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diff --git a/magick/quantize.c b/magick/quantize.c
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index 0f963b4..b6c1645 100644
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--- a/magick/quantize.c
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+++ b/magick/quantize.c
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@@ -2293,8 +2293,8 @@ MagickExport MagickBooleanType PosterizeImageChannel(Image *image,
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const ChannelType channel,const size_t levels,const MagickBooleanType dither)
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{
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#define PosterizeImageTag "Posterize/Image"
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-#define PosterizePixel(pixel) (Quantum) (QuantumRange*(MagickRound( \
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- QuantumScale*pixel*(levels-1)))/MagickMax((ssize_t) levels-1,1))
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+#define PosterizePixel(pixel) ClampToQuantum((MagickRealType) QuantumRange*( \
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+ MagickRound(QuantumScale*pixel*(levels-1)))/MagickMax((ssize_t) levels-1,1))
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CacheView
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*image_view;
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@@ -3342,7 +3342,7 @@ static MagickBooleanType SetGrayscaleImage(Image *image)
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}
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(void) memset(colormap_index,0,extent*sizeof(*colormap_index));
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for (i=0; i < (ssize_t) image->colors; i++)
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- image->colormap[i].opacity=(unsigned short) i;
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+ image->colormap[i].opacity=(Quantum) i;
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qsort((void *) image->colormap,image->colors,sizeof(PixelPacket),
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IntensityCompare);
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colormap=(PixelPacket *) AcquireQuantumMemory(image->colors,
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--
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2.23.0
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