Re: Icon Composer question: specifying a mask?
Re: Icon Composer question: specifying a mask?
- Subject: Re: Icon Composer question: specifying a mask?
- From: "Michael B. Johnson" <email@hidden>
- Date: Mon, 12 Nov 2007 19:00:07 -0800
And to play devil's advocate - what's so horrible about leaving 1
instead of 0 in the transparency? Realistically, you won't notice the
difference visually, and in any way icons are created these days,
doing this is trivial (have a background layer that is filled with
that value).
On Nov 12, 2007, at 6:23 PM, Laurence Harris wrote:
On Nov 12, 2007, at 8:28 PM, Rick Mann wrote:
On Nov 12, 2007, at 5:12 PM, Laurence Harris wrote:
Instead of making the transparent areas fully transparent you'll
have to make them almost transparent and have a tiny bit of
opacity. The mask is used to determine if a click occurred in the
icon, so if it's fully transparent clicks and drags won't work in
those areas.
Wow, really? There's no way to specify a (1-bit) mask for hit
detection, separate from an 8-bit alpha channel for opacity?
Short answer: No.
Long answer: There are no 1-bit masks for the thumbnail or larger
icons. You can do what you describe for smaller sizes, but if the
user is working with icons larger than 48x48 the Finder will be
using the 128x128 thumbnail icon scaled down, and that icon has no 1-
bit mask.
Larry
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