fix corrupted output on tiffs with colormap

tbonfort · tbonfort · commit b984581f39e8 · 2021-11-30T10:49:27.000+01:00
diff --git a/cog.go b/cog.go
@@ -224,7 +224,7 @@ func (ifd *ifd) structure(bigtiff bool) (tagCount, ifdSize, strileSize, planeCou
 	}
 	if len(ifd.Colormap) > 0 {
 		cnt++
-		size += arrayFieldSize(ifd.BitsPerSample, bigtiff)
+		size += arrayFieldSize(ifd.Colormap, bigtiff)
 	}
 	if ifd.TileWidth > 0 {
 		cnt++

Original file line number	Diff line number	Diff line change
`@@ -224,7 +224,7 @@ func (ifd *ifd) structure(bigtiff bool) (tagCount, ifdSize, strileSize, planeCou`
`224`	`224`	`}`
`225`	`225`	`if len(ifd.Colormap) > 0 {`
`226`	`226`	`cnt++`
`227`		`- size += arrayFieldSize(ifd.BitsPerSample, bigtiff)`
	`227`	`+ size += arrayFieldSize(ifd.Colormap, bigtiff)`
`228`	`228`	`}`
`229`	`229`	`if ifd.TileWidth > 0 {`
`230`	`230`	`cnt++`