Hello,
I'm replacing the IconFamilyMBS class with the new NSWorkspace.IconForFile
function. In the old way, I used the IconFamilyMBS.data to write all icons of a
given item to a binary stream; when reading the file, I'd set the read data
back to an IconFamilyMBS.data property, so all the icon sizes would be stored
in one call.
I'm playing with converting that to the new way. As far as I understand,
there's no way to get all icon sizes as a string with one single call; I have
to loop thru all the available sizes, using the Image.Representations method,
and write each picture to the binary stream. Am I correct?
So, I'm testing this code in a blank project, to show various icon sizes
(there's a listbox with 2 columns (width and height) and a canvas; a property
(Image as NSImageMBS) is in the window):
Sub SetUp(File As FolderItem)
dim i As Integer
dim r,rl() As NSImageRepMBS
if File<>nil then
Image=NSWorkspaceMBS.iconForFile(File)
if Image<>nil then
rl=Image.representations
for i=0 to UBound(rl)
r=rl(i)
LB1.AddRow str(r.pixelsWide)
LB1.Cell(LB1.LastIndex,1)=str(r.pixelsHigh)
next
end if
end if
End Sub
In the Listbox's change event:
if Image<>nil and me.ListIndex>-1 then
Image.setSize(val(me.Cell(me.ListIndex,0)),val(me.Cell(me.ListIndex,1)))
Cnv1.Backdrop=Image.CopyPictureWithMask
Cnv1.Refresh
end if
I have two questions regarding this:
1: I don't understand the difference between r.PixelsHigh and r.Height (and the
width counterpart). Am I using the right one?
2: the representations returned have non-unique values: I'm getting, for
instance, 32x32 several times, with no clear differences between them (the
other properties seem to be identical). Should I just ignore the ones that are
repeating to get all the possible icons?
Thank you.
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