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Appearance Manager

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165:. 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. 236:, 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 25: 352:
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.
176:. 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. 373:. 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. 227:
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
439: 394: 322:, 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. 223:
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
309:. This improves the overall look of the text by reducing the perception of rasterization artifacts. Anti-aliasing is adjustable in the Appearance Control Panel. 527: 419: 470: 264:, was later introduced, developed at Apple Japan. This theme uses elements that make the interface look like it has been drawn in pencil on a 356:
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
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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.
463:"Three things OS X could learn from the Classic Mac OS" 301:
Later versions of the Appearance Manager also apply
49:. Unsourced material may be challenged and removed. 290:operating system need to be provided, such as the 549: 388: 386: 528:"Apple lawyers target Mac Themes Project" 392: 256:equipment. Gizmo is a period-appropriate 109:Learn how and when to remove this message 383: 335: 183: 199:, which was intended to be the primary 550: 525: 460: 135:that controls the overall look of the 438:. Basal Gangster. February 26, 2011. 312: 526:Fidéle, Dominique (April 17, 2001). 432:"Retro Mac Computing: the long view" 179: 47:adding citations to reliable sources 18: 473:from the original on April 18, 2021 13: 442:from the original on April 1, 2013 16:Component of Mac OS 8 and Mac OS 9 14: 574: 502: 461:Gruber, John (January 21, 2009). 211:and earlier, like window control 558:Macintosh operating systems APIs 23: 325: 34:needs additional citations for 519: 496: 485: 454: 413: 1: 376: 284: 219:is the default system font, 7: 505:"Scheme to Theme Converter" 10: 579: 329: 563:Graphical user interfaces 393:Brickness, K.J. (2001). 349:schemes were developed. 140:graphical user interface 332:Kaleidoscope (software) 345: 215:and buttons and while 189: 515:on February 17, 2018. 399:. SAMS. p. 220. 339: 187: 58:"Appearance Manager" 43:improve this article 188:Platinum in Copland 396:Carbon Programming 346: 313:Shareware products 190: 127:is a component of 125:Appearance Manager 180:Appearance themes 119: 118: 111: 93: 570: 542: 541: 540:on May 31, 2014. 536:. Archived from 523: 517: 516: 511:. Archived from 500: 494: 489: 483: 482: 480: 478: 458: 452: 451: 449: 447: 428: 422: 417: 411: 410: 390: 363:cease and desist 308: 232:which acts as a 114: 107: 103: 100: 94: 92: 51: 27: 19: 578: 577: 573: 572: 571: 569: 568: 567: 548: 547: 546: 545: 524: 520: 501: 497: 490: 486: 476: 474: 459: 455: 445: 443: 430: 429: 425: 418: 414: 407: 391: 384: 379: 334: 328: 315: 306: 287: 197:design language 182: 115: 104: 98: 95: 52: 50: 40: 28: 17: 12: 11: 5: 576: 566: 565: 560: 544: 543: 518: 495: 484: 453: 423: 412: 405: 381: 380: 378: 375: 367:Aqua interface 330:Main article: 327: 324: 314: 311: 286: 283: 181: 178: 117: 116: 31: 29: 22: 15: 9: 6: 4: 3: 2: 575: 564: 561: 559: 556: 555: 553: 539: 535: 534: 529: 522: 514: 510: 509:www.d.umn.edu 506: 499: 493: 488: 472: 468: 464: 457: 446:September 23, 441: 437: 436:The Long View 433: 427: 421: 416: 408: 406:9780672322679 402: 398: 397: 389: 387: 382: 374: 372: 368: 364: 359: 354: 350: 343: 338: 333: 323: 321: 310: 304: 303:anti-aliasing 299: 297: 293: 282: 280: 274: 271: 267: 263: 262:Drawing Board 259: 258:Memphis-style 255: 251: 247: 242: 239: 238:Control Panel 235: 231: 230:System Folder 226: 222: 218: 214: 210: 206: 202: 198: 195: 186: 177: 175: 171: 166: 164: 159: 157: 153: 149: 146:'s ill-fated 145: 141: 138: 134: 130: 126: 121: 113: 110: 102: 91: 88: 84: 81: 77: 74: 70: 67: 63: 60: –  59: 55: 54:Find sources: 48: 44: 38: 37: 32:This article 30: 26: 21: 20: 538:the original 531: 521: 513:the original 508: 503:Boldt, Ben. 498: 487: 475:. Retrieved 466: 456: 444:. Retrieved 435: 426: 415: 395: 355: 351: 347: 326:Kaleidoscope 316: 300: 288: 275: 261: 254:audio-visual 249: 245: 243: 237: 193: 191: 167: 160: 124: 122: 120: 105: 99:January 2010 96: 86: 79: 72: 65: 53: 41:Please help 36:verification 33: 533:Macworld UK 477:November 8, 320:WindowShade 292:Command key 270:graph paper 552:Categories 377:References 358:Steve Jobs 285:Typography 225:monochrome 69:newspapers 307:12 points 163:QuickDraw 137:Macintosh 471:Archived 467:Macworld 440:Archived 371:Mac OS X 342:Mac OS 9 266:drafting 217:Charcoal 209:System 7 194:Platinum 156:System 7 133:Mac OS 9 129:Mac OS 8 344:in 2001 246:Hi-Tech 221:Chicago 213:widgets 205:Copland 148:Copland 83:scholar 403:  296:points 170:Carbon 85:  78:  71:  64:  56:  279:Linux 250:Gizmo 144:Apple 90:JSTOR 76:books 479:2021 448:2015 401:ISBN 248:and 234:stub 203:for 174:Aqua 154:for 131:and 123:The 62:news 369:in 201:GUI 152:SDK 45:by 554:: 530:. 507:. 469:. 465:. 434:. 385:^ 361:a 298:. 158:. 481:. 450:. 409:. 112:) 106:( 101:) 97:( 87:· 80:· 73:· 66:· 39:.

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"Appearance Manager"
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Mac OS 8
Mac OS 9
Macintosh
graphical user interface
Apple
Copland
SDK
System 7
QuickDraw
Carbon
Aqua

design language
GUI
Copland
System 7
widgets
Charcoal
Chicago

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