Make sure the value of the ImageMask / Im token is check in ColorSpaceDetailsParser

BobLd · BobLd · commit 7a18b3d65400 · 2025-05-11T14:10:21.000+01:00
diff --git a/src/UglyToad.PdfPig/Util/ColorSpaceDetailsParser.cs b/src/UglyToad.PdfPig/Util/ColorSpaceDetailsParser.cs
@@ -43,7 +43,8 @@ public static ColorSpaceDetails GetColorSpaceDetails(ColorSpace? colorSpace,
             ILookupFilterProvider filterProvider,
             bool cannotRecurse = false)
         {
-            if (imageDictionary.GetObjectOrDefault(NameToken.ImageMask, NameToken.Im) != null ||
+            if ((imageDictionary.TryGet(NameToken.ImageMask, scanner, out BooleanToken isImageMask) && isImageMask.Data) ||
+                (imageDictionary.TryGet(NameToken.Im, scanner, out BooleanToken isImMask) && isImMask.Data) ||
                 filterProvider.GetFilters(imageDictionary, scanner).OfType<CcittFaxDecodeFilter>().Any())
             {
                 if (cannotRecurse)

Original file line number	Diff line number	Diff line change
`@@ -43,7 +43,8 @@ public static ColorSpaceDetails GetColorSpaceDetails(ColorSpace? colorSpace,`
`43`	`43`	`ILookupFilterProvider filterProvider,`
`44`	`44`	`bool cannotRecurse = false)`
`45`	`45`	`{`
`46`		`- if (imageDictionary.GetObjectOrDefault(NameToken.ImageMask, NameToken.Im) != null \|\|`
	`46`	`+ if ((imageDictionary.TryGet(NameToken.ImageMask, scanner, out BooleanToken isImageMask) && isImageMask.Data) \|\|`
	`47`	`+ (imageDictionary.TryGet(NameToken.Im, scanner, out BooleanToken isImMask) && isImMask.Data) \|\|`
`47`	`48`	`filterProvider.GetFilters(imageDictionary, scanner).OfType<CcittFaxDecodeFilter>().Any())`
`48`	`49`	`{`
`49`	`50`	`if (cannotRecurse)`