Difference between revisions of "AppKit"
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== Features == | == Features == | ||
| − | * | + | * User interface elements: table views, browsers, matrices, scroll views, ... |
| − | * | + | * Graphics: WYSIWYG, Postscript-like graphics, Bezier paths, image handling with multiple representations, graphical contextes |
| − | * [[Colors| | + | * [[Colors|Color management]]: calibrated vs. device colors, CMYK, RGB, HSB, gray and named color representations, alpha transparency |
* [[Text]] system features: rich text format, text attachements, layout manager, typesetter, rules, paragraph styles, font management, [[Spell checking|spell checking]] | * [[Text]] system features: rich text format, text attachements, layout manager, typesetter, rules, paragraph styles, font management, [[Spell checking|spell checking]] | ||
| − | * [[Document architecture| | + | * [[Document architecture|Document management]] |
| − | * [[Printing| | + | * [[Printing|Printing features]]: print operations, print panel and page layout |
| − | * | + | * Help manager |
| − | * [[Pasteboard| | + | * [[Pasteboard|Pasteboard]] (a.k.a. clip board) services |
| − | * [[Spell checking| | + | * [[Spell checking|Spell checker]] |
| − | * [[Workspace| | + | * [[Workspace|Workspace]] bindings for applications |
* [[Drag and drop]] operations | * [[Drag and drop]] operations | ||
| − | * [[Application services| | + | * [[Application services|Services]] shared among applications |
== Notes and Snippets == | == Notes and Snippets == | ||
Revision as of 17:40, 4 September 2006
The GNUstep GUI Library is a library of objects useful for writing graphical applications. For example, it includes classes for drawing and manipulating graphics objects on the screen: windows, menus, buttons, sliders, text fields, and events. There are also many classes that offer operating-system-independent interfaces to images, cursors, colors, fonts, pasteboards, printing. There are also workspace support classes such as data links, open/save panels, context-dependent help, spell checking.
It provides functionality that aims to implement the `AppKit' portion of the OpenStep standard. However the implementation has been written to take advantage of GNUstep enhancements wherever possible.
The GNUstep GUI Library is divided into a front and back-end. The front-end contains the majority of implementation, but leaves out the low-level drawing and event code. Different back-ends will make GNUstep available on various platforms. The default GNU back-end currently runs on top of the X Window System and uses only Xlib calls for graphics. Another backend uses a Display Postscript Server for graphics. Much work will be saved by this clean separation between front and back-end, because it allows different platforms to share the large amount of front-end code. Documentation for how the individual backends work is coverered in a separate document.
You can find the automatically generated API documentation here.
Features
- User interface elements: table views, browsers, matrices, scroll views, ...
- Graphics: WYSIWYG, Postscript-like graphics, Bezier paths, image handling with multiple representations, graphical contextes
- Color management: calibrated vs. device colors, CMYK, RGB, HSB, gray and named color representations, alpha transparency
- Text system features: rich text format, text attachements, layout manager, typesetter, rules, paragraph styles, font management, spell checking
- Document management
- Printing features: print operations, print panel and page layout
- Help manager
- Pasteboard (a.k.a. clip board) services
- Spell checker
- Workspace bindings for applications
- Drag and drop operations
- Services shared among applications