--- a/ImageEditor.st Mon Apr 10 08:46:45 2017 +0200
+++ b/ImageEditor.st Tue Apr 11 01:46:29 2017 +0200
@@ -6612,14 +6612,18 @@
(aMode asString startsWith:'mask') ifTrue:[
image mask isNil ifTrue:[
- false "(Dialog confirm:'Generate mask from black ?' default:false)" ifTrue:[
- maskThreshold := 0.1.
- maskImage := Depth1Image fromImage:(image asThresholdMonochromeImage:maskThreshold).
- ] ifFalse:[
- maskImage := ImageMask extent:image extent.
- maskImage bits:(ByteArray
- new:(maskImage bytesPerRow * maskImage height)
- withAll:16rFF).
+ (oldImage depth == 32 and:[ oldImage photometric == #rgba ]) ifTrue:[
+ maskImage := ImageMask fromAlphaInImage:oldImage
+ ] ifFalse:[
+ false "(Dialog confirm:'Generate mask from black ?' default:false)" ifTrue:[
+ maskThreshold := 0.1.
+ maskImage := Depth1Image fromImage:(image asThresholdMonochromeImage:maskThreshold).
+ ] ifFalse:[
+ maskImage := ImageMask extent:image extent.
+ maskImage bits:(ByteArray
+ new:(maskImage bytesPerRow * maskImage height)
+ withAll:16rFF).
+ ].
].
image mask:maskImage.
].
@@ -6653,7 +6657,7 @@
]
]
- "Modified: / 06-04-2017 / 13:23:26 / cg"
+ "Modified: / 11-04-2017 / 01:45:55 / cg"
!
colorize