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Apple Icon Image Format
The Apple Icon Image format is an icon format used in Apple Inc.'s macOS. It supports icons of 16 × 16, 32 × 32, 48 × 48, 128 × 128, 256 × 256, 512 × 512 points at 1x and 2x scale, with both 1- and 8-bit alpha channels and multiple image states (example: open and closed folders). The fixed-size icons can be scaled by the operating system and displayed at any intermediate size. As of macOS 11, asset catalogs are the preferred file format for macOS custom icons instead. File structure The file format consists of an 8 byte header, followed by any number of icons. Header Icon data Icon types * The value inside the parenthesis is the uncompressed length for ARGB and 24-bit RGB icons. * data always starts with a header of four zero-bytes (tested all icns files in macOS 10.15.7 and macOS 11). Usage unknown, the four zero-bytes can be any value and are quietly ignored. * These formats are supported in standalone icns files but do not display properly if used as ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
PackBits
PackBits is a fast, simple lossless compression scheme for run-length encoding of data. Apple introduced the PackBits format with the release of MacPaint on the Macintosh computer. This compression scheme can be used in TIFF files. TGA files also use this RLE compression scheme, but treats data stream as pixels instead of bytes. A PackBits data stream consists of packets with a one-byte header followed by data. The header is a signed byte; the data can be signed, unsigned, or packed (such as MacPaint pixels). In the following table, ''n'' is the value of the header byte as a signed integer. Note that interpreting 0 as positive or negative makes no difference in the output. Runs of two bytes adjacent to non-runs are typically written as literal data. There is no way based on the PackBits data to determine the end of the data stream; that is to say, one must already know the size of the compressed or uncompressed data before reading a PackBits data stream to know where it ends. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Graphics File Formats
An Image file format is a file format for a digital image. There are many formats that can be used, such as JPEG, PNG, and GIF. Most formats up until 2022 were for storing 2D images, not 3D ones. The data stored in an image file format may be compressed or uncompressed. If the data is compressed, it may be done so using lossy compression or lossless compression. For graphic design applications, vector formats are often used. Some image file formats support transparency. Raster formats are for 2D images. A 3D image can be represented within a 2D format, as in a stereogram or autostereogram, but this 3D image will not be a true light field, and thereby may cause the vergence-accommodation conflict. Image files are composed of digital data in one of these formats so that the data can be displayed on a digital (computer) display or printed out using a printer. A common method for displaying digital image information has historically been rasterization. Image file sizes The s ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
X Window System
The X Window System (X11, or simply X) is a windowing system for bitmap displays, common on Unix-like operating systems. X provides the basic framework for a GUI environment: drawing and moving windows on the display device and interacting with a mouse and keyboard. X does not mandate the user interfacethis is handled by individual programs. As such, the visual styling of X-based environments varies greatly; different programs may present radically different interfaces. X originated as part of Project Athena at Massachusetts Institute of Technology (MIT) in 1984. The X protocol has been at version 11 (hence "X11") since September 1987. The X.Org Foundation leads the X project, with the current reference implementation, X.Org Server, available as free and open-source software under the MIT License and similar permissive licenses. Purpose and abilities X is an architecture-independent system for remote graphical user interfaces and input device capabilities. Each person using a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
X PixMap
X PixMap (XPM) is an image file format used by the X Window System, created in 1989 by Daniel Dardailler and Colas Nahaboo working at Bull Research Center at Sophia Antipolis, France, and later enhanced by Arnaud Le Hors. It is intended primarily for creating icon pixmaps, and supports transparent pixels. Derived from the earlier XBM syntax, it is a plain text file in the XPM2 format or of a C programming language syntax, which can be included in a C program file. History XPM1 The first (1989) XPM format is relatively similar to the XBM format. Compared to XBM, it uses additional macro definitions and variables for indexed colors, and replaces bits with characters for describing the image. The following is a black-and-white image in the 1989 XPM format. #define XFACE_format 1 #define XFACE_width 48 #define XFACE_height 48 #define XFACE_ncolors 2 #define XFACE_chars_per_pixel 1 static char *XFACE_colors[] = ; static char *XFACE_pixels[] = { "abaabaababaaabaabababaabaabaa ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Microsoft Windows
Windows is a group of several proprietary graphical operating system families developed and marketed by Microsoft. Each family caters to a certain sector of the computing industry. For example, Windows NT for consumers, Windows Server for servers, and Windows IoT for embedded systems. Defunct Windows families include Windows 9x, Windows Mobile, and Windows Phone. The first version of Windows was released on November 20, 1985, as a graphical operating system shell for MS-DOS in response to the growing interest in graphical user interfaces (GUIs). Windows is the most popular desktop operating system in the world, with 75% market share , according to StatCounter. However, Windows is not the most used operating system when including both mobile and desktop OSes, due to Android's massive growth. , the most recent version of Windows is Windows 11 for consumer PCs and tablets, Windows 11 Enterprise for corporations, and Windows Server 2022 for servers. Genealogy By marketing ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
ICO (icon Image File Format)
The ICO file format is an image file format for computer icons in Microsoft Windows. ICO files contain one or more small images at multiple sizes and color depths, such that they may be scaled appropriately. In Windows, all executables that display an icon to the user, on the desktop, in the Start Menu, or in Windows Explorer, must carry the icon in ICO format. The CUR file format is an almost identical image file format for non-animated cursors in Microsoft Windows. The only differences between these two file formats are the bytes used to identify them and the addition of a hotspot in the CUR format header; the hotspot is defined as the pixel offset (in x,y coordinates) from the top-left corner of the cursor image where the user is actually pointing the mouse. The ANI file format is used for animated Windows cursors. History Icons introduced in Windows 1.0 were 32×32 pixels in size and were monochrome. Support for 16 colors was introduced in Windows 3.0. Win32 introduce ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
IconBuilder
IconBuilder is a popularLarry Ullman, Marc Liyanage, ''Mac OS X Panther timesaving techniques for dummies'', For Dummies, 2004, , p127/ref> plugin for Adobe Photoshop, Adobe Photoshop Elements and Macromedia Fireworks for the editing and creation of computer icons created and used by The Iconfactory. It supports all icon sizes for both Mac OS X and Microsoft Windows. IconBuilder was created when there was no official tool from Apple Computer for making icons in the .icns format introduced by Mac OS 8.5. The Windows version is at version 2.0, lagging far behind the Macintosh version. The Mac OS 9 version is frozen at 3.1. Version 8 adds support for Windows Vista's 256×256 icons. Features * Create icons of any size, up to 1,024×1,024 pixels. * Supports Mac OS X icon drop state. * Export to multiple file formats simultaneously. * Import existing icons. * File integrity checks. See also *Icon editor *Favicon References * Leslie Ayers (7 June 2007) How to Make Your Own Icon', M ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
The Iconfactory
The Iconfactory is a software and graphic design company that designs commercial icons and User interface design, user interfaces and publishes desktop applications and mobile apps for macOS and iOS. History The Iconfactory was founded in April 1996 by Corey Marion, Talos Tsui, and Gedeon Maheux. Lead Engineer Craig Hockenberry joined the company in 1997 and Artist Dave Brasgalla joined in January 1999. The company incorporated in January 2000. The Iconfactory gained popularity through the creation of packages of free icons for download. From 1997 until 2004, The Iconfactory held an annual icon design contest for the Macintosh icon community called Pixelpalooza. The competition was a chance for artists to design and produce original icon creations for the chance of winning software and hardware prizes. Pixelpalooza was discontinued in 2005 and is now "on hiatus for an indefinite time." Iconfactory created over 100 icons for Microsoft to be included in the Windows XP operating sy ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Apple Developer Tools
The Apple Developer Tools are a suite of software tools from Apple to aid in making software dynamic titles for the macOS and iOS platforms. The developer tools were formerly included on macOS install media, but are now exclusively distributed over the Internet. As of macOS 10.12, Xcode is available as a free download from the Mac App Store. Applications Applet Launcher A graphical interface for JavaScript's Plug-in, which aids developers by demonstrating how Java applets perform on macOS. Provides tools to adjust the performance, behavior and user experience in applets in development. Audio Unit Lab A graphic presentation of audio units helping software developers to examine their results in decibels. AU Lab can be used to test audio units, conduct live mixing, and playback of audio content. Audio units are controlled visually with the audio unit’s graphic interface and touch screen. Computer Hardware Understanding Development Tools A set of software tools, collectively Com ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
GTK+
GTK (formerly GIMP ToolKit and GTK+) is a free and open-source cross-platform widget toolkit for creating graphical user interfaces (GUIs). It is licensed under the terms of the GNU Lesser General Public License, allowing both free and proprietary software to use it. It is one of the most popular toolkits for the Wayland and X11 windowing systems. The GTK team releases new versions on a regular basis. GTK 4 and GTK 3 are maintained, while GTK 2 is end-of-life. Software architecture The GTK library contains a set of graphical control elements ( widgets); version 3.22.16 contains 186 active and 36 deprecated widgets. GTK is an object-oriented widget toolkit written in the programming language C; it uses GObject, that is the GLib object system, for the object orientation. While GTK is mainly for windowing systems based on X11 and Wayland, it works on other platforms, including Microsoft Windows (interfaced with the Windows API), and macOS (interfaced with ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
SourceForge
SourceForge is a web service that offers software consumers a centralized online location to control and manage open-source software projects and research business software. It provides source code repository hosting, bug tracking, mirroring of downloads for load balancing, a wiki for documentation, developer and user mailing lists, user-support forums, user-written reviews and ratings, a news bulletin, micro-blog for publishing project updates, and other features. SourceForge was one of the first to offer this service free of charge to open-source projects. Since 2012, the website has run on Apache Allura software. SourceForge offers free hosting and free access to tools for developers of free and open-source software. , the SourceForge repository claimed to host more than 502,000 projects and had more than 3.7 million registered users. Concept SourceForge is a web-based source code repository. It acts as a centralized location for free and open-source software pr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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