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[imagemagick] / coders / webp.c

diff --git a/coders/webp.c b/coders/webp.c
index edbd9133429196608603e99ef9b24b8759d11de3..6c667c6bd271dfee9ca9e9076fdc6ae42ae26729 100644 (file)
--- a/coders/webp.c
+++ b/coders/webp.c
@@ -670,7 +670,7 @@ static MagickBooleanType WriteWEBPImage(const ImageInfo *image_info,
       break;
     for (x=0; x < (ssize_t) image->columns; x++)
     {
-      *q++=(uint32_t) (image->alpha_trait == BlendPixelTrait ?
+      *q++=(uint32_t) (image->alpha_trait != UndefinedPixelTrait ?
         ScaleQuantumToChar(GetPixelAlpha(image,p)) << 24 : 0xff000000) |
         (ScaleQuantumToChar(GetPixelRed(image,p)) << 16) |
         (ScaleQuantumToChar(GetPixelGreen(image,p)) << 8) |