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#BUGFIX by cg
authorClaus Gittinger <cg@exept.de>
Wed, 24 Jan 2018 21:31:28 +0100
changeset 4057 d5c48c56f434
parent 4056 a4fafec15105
child 4058 d1ad98047781
#BUGFIX by cg class: PNGReader changed: #generateMaskFromPaletteAlphaEntries don't err - instead try to make something halfway useful, if mask generation fails.
PNGReader.st file | annotate | diff | comparison | revisions 
--- a/PNGReader.st	Wed Jan 24 14:57:47 2018 +0100
+++ b/PNGReader.st	Wed Jan 24 21:31:28 2018 +0100
@@ -345,7 +345,7 @@
                 alpha == 0 ifTrue:[
                     "/ ok; already
                 ] ifFalse:[
-                    self error:'should generate an alpha image' 
+                    image createMaskForPixelValue:pixelIndex
                 ]    
             ].
         ].
hg/stx-libview2