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Wikipedia
Adobe Photoshop is a raster graphics editor developed and published by Adobe Inc. for Windows and mac OS. It was originally created in 1988 by Thomas and John Knoll. Since then, the software has become the industry standard not only in raster graphics editing, but in digital art as a whole. The software’s name is often colloquially used as a verb (e.g. “to photo shop an image”, “photo shopping”, and “photo shop contest”) although Adobe discourages such use. Photoshop can edit and compose raster images in multiple layers and supports masks, alpha compositing and several color models including RGB, CMYK, CIELAB, spot color, and duo tone. Photoshop uses its own PSD and PSB file formats to support these features. In addition to raster graphics, Photoshop has limited abilities to edit or render text and vector graphics (especially through clipping path for the latter), as well as 3D graphics and video. Its feature set can be expanded by plug-ins; programs developed and distributed independently of Photoshop that run inside it and offer new or enhanced features.
Photoshop’s naming scheme was initially based on version numbers. However, in October 2002 (following the introduction of Creative Suite branding), each new version of Photoshop was designated with “CS” plus a number; e.g., the eighth major version of Photoshop was Photoshop CS and the ninth was Photoshop CS2. Photoshop CS3 through CS6 were also distributed in two different editions: Standard and Extended. With the introduction of the Creative Cloud branding in June 2013 (and in turn, the change of the “CS” suffix to “CC“), Photoshop’s licensing scheme was changed to that of software as a service subscription model. Historically, Photoshop was bundled with additional software such as Adobe Image Ready, Adobe Fireworks, Adobe Bridge, Adobe Device Central and Adobe Camera RAW.
Alongside Photoshop, Adobe also develops and publishes Photoshop Elements, Photoshop Light room, Photoshop Express, Photoshop Fix, Adobe Illustrator, and Photoshop Mix. As of November 2019, Adobe has also released a full version of Photoshop for the iPad, and while initially limited, Adobe plans to bring more features to Photoshop for iPad. Collectively, they are branded as “The Adobe Photoshop Family”.
Photoshop was developed in 1987 by two brothers Thomas and John Knoll, who sold the distribution license to Adobe Systems Incorporated in 1988. Thomas Knoll, a Ph.D. student at the University of Michigan, began writing a program on his Macintosh Plus to display gray scale images on a monochrome display. This program (at that time called Display) caught the attention of his brother John, an Industrial Light & Magic employee, who recommended that Thomas turn it into a full-fledged image editing program. Thomas took a six-month break from his studies in 1988 to collaborate with his brother on the program. Thomas renamed the program ImagePro, but the name was already taken. Later that year, Thomas renamed his program Photoshop and worked out a short-term deal with scanner manufacturer Barney scan to distribute copies of the program with a slide scanner; a “total of about 200 copies of Photoshop were shipped” this way.
During this time, John traveled to Silicon Valley and gave a demonstration of the program to engineers at Apple Computer and Russell Brown, art director at Adobe. Both showings were successful, and Adobe decided to purchase the license to distribute in September 1988. While John worked on plug-ins in California, Thomas remained in Ann Arbor writing code. Photoshop 1.0 was released on February 19, 1990, for Macintosh exclusively. The Barneyscan version included advanced color editing features that were stripped from the first Adobe shipped version. The handling of color slowly improved with each release from Adobe and Photoshop quickly became the industry standard in digital color editing. At the time Photoshop 1.0 was released, digital retouching on dedicated high-end systems (such as the Scitex) cost around $300 an hour for basic photo retouching. The list price of Photoshop 1.0 for Macintosh in 1990 was $895.
Photoshop was initially only available on Macintosh. In 1993, Adobe chief architect Seetharaman Narayanan ported Photoshop to Microsoft Windows. The Windows port led to Photoshop reaching a wider mass market audience as Microsoft’s global reach expanded within the next few years. On March 31, 1995, Adobe purchased the rights for Photoshop from Thomas and John Knoll for $34.5 million so Adobe would no longer need to pay a royalty for each copy sold.
Photoshop files have default file extension as .PSD, which stands for “Photoshop Document”. A PSD file stores an image with support for all features of Photoshop; these include layers with masks, transparency, text, alpha channels and spot colors, clipping paths, and duotone settings. This is in contrast to many other file formats (e.g., .JPG or .GIF) that restrict content to provide streamlined, predictable functionality. A PSD file has a maximum height and width of 30,000 pixels, and a length limit of two gigabytes.
From the beginning, Photoshop could save files in other formats, including TIF, JPEG, and GIF. These files are smaller than PSD files because they lack the editable features of a PSD file. These formats are required to use the file in publications or on the web. Adobe’s discontinued program Page Maker required TIF format.
Photoshop can also create and use files with the extension .PSB, which stands for “Photoshop Big” (also known as “large document format”). A PSB file extends the PSD file format, increasing the maximum height and width to 300,000 pixels and the length limit to around 4 Exabytes. The dimension limit was apparently chosen arbitrarily by Adobe, not based on computer arithmetic constraints (it is not close to a power of two, as is 30,000) but for ease of software testing. PSD and PSB formats are documented.
Because of Photoshop’s popularity, PSD files are widely used and supported to some extent by most competing software, including GIMP and Affinity Photo. The .PSD file format can be exported to and from Adobe’s other apps, such as Adobe Illustrator, Adobe Premiere Pro, and After Effects.
Corel Photo-Paint is a raster graphics editor developed and marketed by Corel since 1992. Corel markets the software for Windows and Mac OS operating systems, previously having marketed versions for Linux (Version 9, requiring Wine). Its primary market competitor is Adobe Photoshop.
In 2006, Corel released version 13 as Photo-Paint X3, employing this naming convention for subsequent releases as well as for Corel Draw, included with Photo-Paint in CorelDraw Graphics Suite. The current version is Photo-Paint 2020. Corel has marketed a limited edition of Photo-Paint called Corel Photo-Paint SELECT with HP scanning hardware, e.g., the HP ScanJet 5p scanners.
Photo-Paint’s native format is .CPT (Corel Photo-Paint Image), which stores image data as well as information within an image, including objects (layers in some raster editors), colour profiles, text, transparency, effect filters.
The program can open and convert vector formats from Corel Draw and Adobe Illustrator and can open other formats, including PNG, JPG and GIF files — as well as competing photo editor formats from Photoshop, GIMP and Paint Shop Pro (the latter also a Corel product). The program also supports plug-in functionality including those developed for Adobe Photoshop and Paint Shop Pro. Other extensions such as brushes are also compatible with Photo-Paint.
Corel Photo-Paint X6–X7 supports OpenType font features. With X7 Update 4 the Font List new additional features in X7 Update 4 allows for filtering type fonts by weight, width, supported scripts, font Technology, Character Range, Style.
As other raster graphics editors, Corel Photo-Paint allows an image to be edited in multiple layers, called objects here. A gradient line going from opaque to transparent, for instance, can be used to have a darker foreground color fade into a lighter background color. The UI is highly customizable, and the user can freely move dialogs or adjust button sizes and such. Effects can be applied to a picture including Smart Blur—a type of Gaussian blur effect which however retains sharpness around sharper edges—Mesh Warp, Camera Lens Flare, Trace Contour and others. There is limited support for vector paths to be integrated. Depending on personal preferences and work style, users may prefer Corel Photo-Paint over Adobe Photoshop or the other way round, though in terms of market share, Photoshop is clearly more represented.
As a component of the CorelDraw Graphics Suite, Photo-Paint can exchange data with other programs in the suite, including Corel Connect (Version X5 – X7), which enables users to share files between different computer software and drives on the user’s computer. CorelDraw and Photo-Paint are also copy-paste compatible, with format and effects retention — and without file conversion.
Just like in CorelDraw, Photo Paint tasks can be automatized by scripts and macros, using both COREL Script and Microsoft’s VBA (Visual Basic for Applications) and VSTA (Visual Studio Tools for Applications). Corel calls the smaller macros created with COREL Script “Scripts”, and the scripts created with the Microsoft tools “macros”.
Corel Photo-Paint is available in English, German, French, Italian, Dutch, Spanish, Brazilian Portuguese, Swedish, Finnish, Polish, Czech, Russian, Hungarian and Turkish.
Adobe Inc. (/əˈdoʊbi/ ə-DOH-bee), originally called Adobe Systems Incorporated, is an American multinational computer software company incorporated in Delaware and headquartered in San Jose, California. It has historically specialized in software for the creation and publication of a wide range of content, including graphics, photography, illustration, animation, multimedia/video, motion pictures, and print. Its flagship products include Adobe Photoshop image editing software; Adobe Illustrator vector-based illustration software; Adobe Acrobat Reader and the Portable Document Format (PDF); and a host of tools primarily for audio-visual content creation, editing and publishing. Adobe offered a bundled solution of its products named Adobe Creative Suite, which evolved into a subscription software as a service (SaaS) offering named Adobe Creative Cloud. The company also expanded into digital marketing software and in 2021 was considered one of the top global leaders in Customer Experience Management (CXM).
Adobe was founded in December 1982 by John Warnock and Charles Geschke, who established the company after leaving Xerox PARC to develop and sell the PostScript page description language. In 1985, Apple Computer licensed PostScript for use in its Laser Writer printers, which helped spark the desktop publishing revolution. Adobe later developed animation and multimedia through its acquisition of Macromedia, from which it acquired Adobe Flash; video editing and compositing software with Adobe Premiere, later known as Adobe Premiere Pro; low-code web development with Adobe Muse; and a suite of software for digital marketing management.
As of 2022, Adobe has more than 26,000 employees worldwide. Adobe also has major development operations in the United States in Newton, New York City, Arden Hills, Lehi, Seattle, Austin and San Francisco. It also has major development operations in Noida and Bangalore in India.
The company was started in John Warnock’s garage. The name of the company, Adobe, comes from Adobe Creek in Los Altos, California, which ran behind Warnock’s house. That creek is so named because of the type of clay found there (Adobe being a Spanish word for Mudbrick), which alludes to the creative nature of the company’s software. Adobe’s corporate logo features a stylized “A” and was designed by graphic designer Marva Warnock, John Warnock’s wife. In 2020, the company updated its visual identity, including updating its logo to a single color, an all-red logo that is warmer and more contemporary.
Steve Jobs attempted to buy the company for $5 million in 1982, but Warnock and Geschke refused. Their investors urged them to work something out with Jobs, so they agreed to sell him shares worth 19 percent of the company. Jobs paid a five-times multiple of their company’s valuation at the time, plus a five-year license fee for PostScript, in advance. The purchase and advance made Adobe the first company in the history of Silicon Valley to become profitable in its first year.
Warnock and Geschke considered various business options including a copy-service business and a turnkey system for office printing. Then they chose to focus on developing specialized printing software and created the Adobe PostScript page description language.
PostScript was the first truly international standard for computer printing as it included algorithms describing the letter-forms of many languages. Adobe added kanji printer products in 1988. Warnock and Geschke were also able to bolster the credibility of PostScript by connecting with a typesetting manufacturer. They weren’t able to work with Compugraphic, but then worked with Linotype to license the Helvetica and Times Roman fonts (through the Linotron 100). By 1987, PostScript had become the industry-standard printer language with more than 400 third-party software programs and licensing agreements with 19 printer companies.
Warnock described the language as “extensible”, in its ability to apply graphic arts standards to office printing.
Adobe’s first products after PostScript were digital fonts, which they released in a proprietary format called Type 1, worked on by Bill Paxton after he left Stanford. Apple subsequently developed a competing standard, True Type, which provided full scalability and precise control of the pixel pattern created by the font’s outlines, and licensed it to Microsoft.
In the mid-1980s, Adobe entered the consumer software market with Illustrator, a vector-based drawing program for the Apple Macintosh. Illustrator, which grew from the firm’s in-house font-development software, helped popularize PostScript-enabled laser printers.
Adobe entered the NASDAQ Composite index in August 1986. Its revenue has grown from roughly $1 billion in 1999 to $4 billion in 2012. Adobe’s fiscal years run from December to November. For example, the 2020 fiscal year ended on November 27, 2020..
In 1989, Adobe introduced what was to become its flagship product, a graphics editing program for the Macintosh called Photoshop. Stable and full-featured, Photoshop 1.0 was ably marketed by Adobe and soon dominated the market.
In 1993, Adobe introduced PDF, the Portable Document Format, and its Adobe Acrobat and Reader software. PDF is now an International Standard: ISO 32000-1:2008.
In December 1991, Adobe released Adobe Premiere, which Adobe rebranded as Adobe Premiere Pro in 2003. In 1992, Adobe acquired OCR Systems, Inc. In 1994, Adobe acquired the Aldus Corporation and added Page Maker and After Effects to its product line later in the year; it also controls the TIFF file format. In the same year, Adobe acquired Laser Tools Corp and Compution Inc. In 1995, Adobe added Frame Maker, the long-document DTP application, to its product line after Adobe acquired Frame Technology Corp. In 1996, Adobe acquired Ares Software Corp. In 2002, Adobe acquired Canadian company Accelio (also known as Jet Form).
In May 2003, Adobe purchased audio editing and multi track recording software Cool Edit Pro from Syntrillium Software for $16.5 million, as well as a large loop library called “Loopology”. Adobe then renamed Cool Edit Pro to “Adobe Audition” and included it in the Creative Suite.
On December 3, 2005, Adobe acquired its main rival, Macromedia, in a stock swap valued at about $3.4 billion, adding ColdFusion, Contribute, Captivate, Breeze (reb randed as Adobe Connect), Director, Dreamweaver, Fireworks, Flash, Flash Paper, Flex, Free Hand, Home Site, JRun, Presenter, and Author ware to Adobe’s product line.
Adobe released Adobe Media Player in April 2008. On April 27, Adobe discontinued development and sales of its older HTML/web development software, Go Live, in favor of Dreamweaver. Adobe offered a discount on Dreamweaver for Go Live users and supports those who still use Go Live with online tutorials and migration assistance. On June 1, Adobe launched Acrobat.com, a series of web applications geared for collaborative work. Creative Suite 4, which includes Design, Web, Production Premium, and Master Collection came out in October 2008 in six configurations at prices from about US$1,700 to $2,500 or by individual application. The Windows version of Photoshop includes 64-bit processing. On December 3, 2008, Adobe laid off 600 of its employees (8% of the worldwide staff) citing the weak economic environment.
On September 15, 2009, Adobe Systems announced that it would acquire online marketing and web analytics company Omniture for $1.8 billion. The deal was completed on October 23, 2009. Former Omniture products were integrated into the Adobe Marketing Cloud.
On November 10, 2009, the company laid off a further 680 employees.
Adobe’s 2010 was marked by continuing front-and-back arguments with Apple over the latter’s non-support for Adobe Flash on its iPhone, iPad and other products. Former Apple CEO Steve Jobs claimed that Flash was not reliable or secure enough, while Adobe executives have argued that Apple wish to maintain control over the iOS platform. In April 2010, Steve Jobs published a post titled “Thoughts on Flash” where he outlined his thoughts on Flash and the rise of HTML 5. In July 2010, Adobe bought Day Software integrating their line of CQ Products: WCM, DAM, SOCO, and Mobile
In January 2011, Adobe acquired DemDex, Inc. with the intent of adding DemDex’s audience-optimization software to its online marketing suite. At Photoshop World 2011, Adobe unveiled a new mobile photo service. Carousel is a new application for iPhone, iPad, and Mac that uses Photoshop Lightroom technology for users to adjust and fine-tune images on all platforms. Carousel will also allow users to automatically sync, share and browse photos. The service was later renamed to “Adobe Revel”.
In October 2011, Adobe acquired Nitobi Software, the makers of the mobile application development framework PhoneGap. As part of the acquisition, the source code of PhoneGap was submitted to the Apache Foundation, where it became Apache Cordova.