diff --git a/coders/dpx.c b/coders/dpx.c
index 6ad812b..afa2d60 100644
--- a/coders/dpx.c
+++ b/coders/dpx.c
@@ -1623,17 +1623,17 @@
case YCbCrColorspace:
{
dpx.image.image_element[i].descriptor=CbYCr444ComponentType;
- if (image->alpha_trait == BlendPixelTrait)
+ if (image->alpha_trait != UndefinedPixelTrait)
dpx.image.image_element[i].descriptor=CbYCrA4444ComponentType;
break;
}
default:
{
dpx.image.image_element[i].descriptor=RGBComponentType;
- if (image->alpha_trait == BlendPixelTrait)
+ if (image->alpha_trait != UndefinedPixelTrait)
dpx.image.image_element[i].descriptor=RGBAComponentType;
if ((image_info->type != TrueColorType) &&
- (image->alpha_trait != BlendPixelTrait) &&
+ (image->alpha_trait == UndefinedPixelTrait) &&
(IsImageGray(image,exception) != MagickFalse))
dpx.image.image_element[i].descriptor=LumaComponentType;
break;
@@ -1953,20 +1953,20 @@
SetQuantumPack(quantum_info,dpx.image.image_element[0].packing == 0 ?
MagickTrue : MagickFalse);
quantum_type=RGBQuantum;
- if (image->alpha_trait == BlendPixelTrait)
+ if (image->alpha_trait != UndefinedPixelTrait)
quantum_type=RGBAQuantum;
if (image->colorspace == YCbCrColorspace)
{
quantum_type=CbYCrQuantum;
- if (image->alpha_trait == BlendPixelTrait)
+ if (image->alpha_trait != UndefinedPixelTrait)
quantum_type=CbYCrAQuantum;
if ((horizontal_factor == 2) || (vertical_factor == 2))
quantum_type=CbYCrYQuantum;
}
- extent=GetBytesPerRow(image->columns,image->alpha_trait == BlendPixelTrait ?
+ extent=GetBytesPerRow(image->columns,image->alpha_trait != UndefinedPixelTrait ?
4UL : 3UL,image->depth,MagickTrue);
if ((image_info->type != TrueColorType) &&
- (image->alpha_trait != BlendPixelTrait) &&
+ (image->alpha_trait == UndefinedPixelTrait) &&
(IsImageGray(image,exception) != MagickFalse))
{
quantum_type=GrayQuantum;
