May 2001
Beginner
384 pages
9h 37m
English
Content preview from Learning CocoaBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Add an Application Icon
The developer tools package on Mac OS X contains a very simple utility
called Icon Composer that converts images into Mac OS X-style
icon files. Using a standard graphics application, you can create art
for your icon, save it as a 32-bit image in TIFF, PICT, or Photoshop
format, then import it into Icon Composer. Once the image has been
imported, Icon Composer can create icon masks for icon sizes that
require one. Icon Composer saves files in the icns
format used by Mac OS X to store icon families. The Aqua Human
Interface Guidelines document (http://developer.apple.com/techpubs/macosx)
provides essential information about creating icons for Mac OS X.
For those comfortable working with Adobe Photoshop, this section
explains how to use that application to create source art for an icon
in just a few seconds. If you aren’t familiar with Photoshop, you can
use the ToDo.tiff file included with the sample
files, and skip the first four following steps:
Launch Photoshop and make a new a 128 × 128 pixel image with a transparent background.
Draw or copy/paste your art into the document.
Create a new image channel using the Channels tab. This new channel will function as an alpha mask. Paint the areas of the mask that you wish to be transparent in the Finder and in the Dock.
Save the file as a TIFF image. This is the recommended format for image files used in Cocoa.
Launch the Icon Composer application in
/Developer/Applications.Choose Import Image from the ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.