Update hack for 1bpc + DeviceGray

BobLd · BobLd · commit 87bd03dbbb55 · 2025-07-19T21:01:12.000+01:00
diff --git a/src/UglyToad.PdfPig/Images/ColorSpaceDetailsByteConverter.cs b/src/UglyToad.PdfPig/Images/ColorSpaceDetailsByteConverter.cs
@@ -79,7 +79,7 @@ private static Span<byte> UnpackComponents(Span<byte> input, int bitsPerComponen
                     // Enumerate bits in bitsPerComponent-sized chunks from MSB to LSB, masking on the appropriate bits
                     for (int i = end; i >= 0; --i)
                     {
-                        unpacked[u++] = (byte)((b >> i) & right) == 1 ? byte.MinValue : byte.MaxValue;
+                        unpacked[u++] = (byte)((b >> i) & right) == 1 ? byte.MaxValue : byte.MinValue;
                     }
                 }
 

Original file line number	Diff line number	Diff line change
`@@ -79,7 +79,7 @@ private static Span<byte> UnpackComponents(Span<byte> input, int bitsPerComponen`
`79`	`79`	`// Enumerate bits in bitsPerComponent-sized chunks from MSB to LSB, masking on the appropriate bits`
`80`	`80`	`for (int i = end; i >= 0; --i)`
`81`	`81`	`{`
`82`		`- unpacked[u++] = (byte)((b >> i) & right) == 1 ? byte.MinValue : byte.MaxValue;`
	`82`	`+ unpacked[u++] = (byte)((b >> i) & right) == 1 ? byte.MaxValue : byte.MinValue;`
`83`	`83`	`}`
`84`	`84`	`}`
`85`	`85`