176:. Previously, controls made direct QuickDraw calls to draw user interface elements such as buttons, scrollbars, window title bars, etc. With the Appearance Manager, these elements are abstracted into a series of APIs that draw the item as a distinct entity on behalf of the client code, thus relieving the Control Manager of the task. This extra level of indirection allows the system to support the concept of switchable "themes", since client code simply requests the image of an interface element (a button or scroll bar, for example) and draws its appearance. Kaleidoscope, a 3rd party application, was the first to utilize this functionality with via "scheme" files, followed by an updated Appearance Control Panel in Mac OS 8.5, which acted similarly via "theme" files. Schemes and themes are similar in concept, but they are not internally compatible.
247:, but no functional theme elements are embedded into it. Customizable palettes ('clut' resources) are used for progress bars, scroll thumbs, slider tabs and menu selections in Apple Platinum and this unique option is not available to real themes. The Appearance Control Panel uses the type code 'pltn' to identify if a file should act like a palette modification stub to Apple Platinum and the type code 'thme' to identify if a file should act like an Appearance Theme. An important distinction is that the Appearance
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When theme support in the
Appearance Control Panel was first announced, the team responsible for it demonstrated an automatic tool specifically designed to convert the tens of thousands of existing Kaleidoscope scheme files into Appearance Manager-compatible theme files. This tool was not released to
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returned to Apple just before the release of Mac OS 8.5, and he decided to officially drop support for themes because he wanted to preserve a consistent user interface. Because of this, Apple released little documentation for the theme format, withheld their own beta-released themes, and even issued
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By default, a font called
Charcoal is used to replace the similar Chicago typeface that was used in earlier versions of the Mac OS. A number of additional system fonts are also provided, including Capitals, Gadget, Sand, Techno, and Textile. In order to be a system font, glyphs specific to the Mac
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Kaleidoscope, written by Arlo Rose and Greg
Landweber, applied "schemes" to the GUI before Apple released an update to the Appearance Control Panel with Mac OS 8.5 which provides similar functionality using "themes". Whereas only a handful of themes were ever developed, thousands of Kaleidoscope
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grid on the desktop, and "squarish" elements with low contrast. Although themes are supported in all released versions of Mac OS 8.5 through 9.2.2, the three aforementioned themes were only present in pre-release versions of Mac OS 8.5 and were removed without explanation in the final release.
187:. The Extras.rsrc file is an updated version of an Appearance Theme that is compatible with the newer Appearance Manager. As of Mac OS X version 10.3, 'layo' data is no longer used, even for Carbon applications, so the continued existence of the Appearance Manager can no longer be confirmed.
384:. At the same time, the format of Kaleidoscope schemes continued to evolve. As a result, Kaleidoscope schemes proliferated while Appearance themes never really took off. Kaleidoscope was only rendered obsolete with the transition to Mac OS X, with which Kaleidoscope is not compatible.
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black and white. Apple
Platinum is not a theme, however. It is actually embedded into the Appearance Manager. The Appearance Control Panel has the ability to attach a theme to the Appearance Manager. There is an Apple Platinum file in the themes folder in the
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implements themes into the
Appearance Manager. Kaleidoscope is third-party software that implements schemes into the Appearance Manager. Kaleidoscope is not a substitute for the Appearance Manager; it is a substitute for the Appearance Control Panel.
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One retrospective review by a long-time Mac user described the themes as being a mistake and waste of engineering resources, saying the "Hi-Tech" theme "looked like a typical dark over-decorated techno skin that became popular for
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Shareware products exist that provided some features of the
Appearance Manager before they were offered directly in the Appearance Control Panel. Church Windows and Décor provide desktop picture functionality.
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interface, using many bold colors, patterns, and "wiggly" interface elements. Both changed every single element of the overall GUI, leaving no trace of Apple
Platinum. A third theme,
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project, but with the cancellation of this project the system was moved into newer versions of the Mac OS. The
Appearance Manager is also available free as part of a downloadable
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333:, which had been purchased by Apple and bundled with System 7.5, provides collapse functionality. When windows collapse, they "roll up", leaving only the title bar.
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was available via a menu option. However, various shades of grey are used extensively throughout the interface, as opposed to previous interfaces which are mostly
320:. This improves the overall look of the text by reducing the perception of rasterization artifacts. Anti-aliasing is adjustable in the Appearance Control Panel.
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Kaleidoscope remained the primary theming platform, even after the
Appearance Control Panel offered theming capabilities in Mac OS 8.5.
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notice to the authors of a third-party theme editor on grounds that it was intended to allow users to create themes that imitate the
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ftp://ftp.apple.com/developer/Development_Kits/Obsolete_Unsupported/Appearance_SDK_1.0.4.sit.hqx
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The
Appearance Manager is implemented as an abstraction layer between the Control Manager and
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Aqua, schemes and themes - Apple demonstrates Kaleidoscope-scheme-to-8.5-theme converter
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Apple widely demonstrated two Appearance Themes which override Apple Platinum,
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Kaleidoscope theme utility using Albie Wong's ElectricMonk scheme, running on
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An updated and more powerful version of the Appearance Manager was used for
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board, including small "pencil marks" around the windows, a barely visible
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The default look and feel of the Appearance Manager in Mac OS 8 and 9 is
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desktops" and that "Gizmo" looked "awful...the Finder in a clown suit".
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widgets and supports several themes. It was originally developed for
218:. Platinum retains many of the shapes and positions of elements from
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to type displayed on the screen above a certain size, by default
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applications in Mac OS X even after Apple made the transition to
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symbol (⌘). System fonts are normally displayed at 12
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the public; however, a similar tool has been developed.
474:"Three things OS X could learn from the Classic Mac OS"
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Later versions of the Appearance Manager also apply
60:. Unsourced material may be challenged and removed.
301:operating system need to be provided, such as the
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539:"Apple lawyers target Mac Themes Project"
267:equipment. Gizmo is a period-appropriate
120:Learn how and when to remove this message
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210:, which was intended to be the primary
146:that controls the overall look of the
449:. Basal Gangster. February 26, 2011.
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537:Fidéle, Dominique (April 17, 2001).
443:"Retro Mac Computing: the long view"
58:adding citations to reliable sources
484:from the original on April 18, 2021
453:from the original on April 1, 2013
27:Component of Mac OS 8 and Mac OS 9
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472:Gruber, John (January 21, 2009).
222:and earlier, like window control
569:Macintosh operating systems APIs
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45:needs additional citations for
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230:is the default system font,
516:"Scheme to Theme Converter"
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574:Graphical user interfaces
404:Brickness, K.J. (2001).
360:schemes were developed.
151:graphical user interface
343:Kaleidoscope (software)
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526:on February 17, 2018.
410:. SAMS. p. 220.
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69:"Appearance Manager"
54:improve this article
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407:Carbon Programming
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324:Shareware products
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138:is a component of
136:Appearance Manager
191:Appearance themes
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457:September 23,
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549:the original
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110:January 2010
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52:Please help
47:verification
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544:Macworld UK
488:November 8,
331:WindowShade
303:Command key
281:graph paper
563:Categories
388:References
369:Steve Jobs
296:Typography
236:monochrome
80:newspapers
318:12 points
174:QuickDraw
148:Macintosh
482:Archived
478:Macworld
451:Archived
382:Mac OS X
353:Mac OS 9
277:drafting
228:Charcoal
220:System 7
205:Platinum
167:System 7
144:Mac OS 9
140:Mac OS 8
355:in 2001
257:Hi-Tech
232:Chicago
224:widgets
216:Copland
159:Copland
94:scholar
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307:points
181:Carbon
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290:Linux
261:Gizmo
155:Apple
101:JSTOR
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490:2021
459:2015
412:ISBN
259:and
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214:for
185:Aqua
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142:and
134:The
73:news
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212:GUI
163:SDK
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