YAP
Encyclopedia
Yet Another Previewer is the name of two different document previewing applications, one for DVI and one for PostScript
.
), which deals with PostScript input interactively from a user.
YAP first was bundled with the NeXT demos package of NeXTSTEP
, which was also bundled with OPENSTEP
. It was not carried into its incarnation as Mac OS X
, presumably because of PostScript's lessened importance with the OS X subsystems relying on Display PDF instead.
TeX
distribution for the Microsoft Windows
platform. YAP allows zooming in and out by several integer factors, besides having a "magnifying glass" feature for local zooming. It supports PostScript
specials (for instance, rendering LaTeX
documents with PSTricks
). Since YAP supports inverse search
(when the DVI file was compiled with source specials), it can be configured to launch a LaTeX editor for the source file, placing the cursor on the corresponding word under the cursor in YAP. However, unlike PDF, there is no search facility. YAP is free software
published under the GNU
GPL
. It was written by Christian Schenk.
PostScript
PostScript is a dynamically typed concatenative programming language created by John Warnock and Charles Geschke in 1982. It is best known for its use as a page description language in the electronic and desktop publishing areas. Adobe PostScript 3 is also the worldwide printing and imaging...
.
PostScript
The YAP for PostScript previewing is used to dynamically edit and re-render PostScript as if one was editing a file, unlike the actual PostScript interpreter itself (such as ghostscriptGhostscript
Ghostscript is a suite of software based on an interpreter for Adobe Systems' PostScript and Portable Document Format page description languages.- Features :...
), which deals with PostScript input interactively from a user.
YAP first was bundled with the NeXT demos package of NeXTSTEP
NEXTSTEP
NeXTSTEP was the object-oriented, multitasking operating system developed by NeXT Computer to run on its range of proprietary workstation computers, such as the NeXTcube...
, which was also bundled with OPENSTEP
OpenStep
OpenStep was an object-oriented application programming interface specification for an object-oriented operating system that used a non-NeXTSTEP operating system as its core, principally developed by NeXT with Sun Microsystems. OPENSTEP was a specific implementation of the OpenStep API developed...
. It was not carried into its incarnation as Mac OS X
Mac OS X
Mac OS X is a series of Unix-based operating systems and graphical user interfaces developed, marketed, and sold by Apple Inc. Since 2002, has been included with all new Macintosh computer systems...
, presumably because of PostScript's lessened importance with the OS X subsystems relying on Display PDF instead.
DVI
The YAP for DVI viewing is a program bundled with the widely used MiKTeXMiKTeX
MiKTeX is a typesetting system for Microsoft Windows that is developed by Christian Schenk. It consists of an implementation of TeX and a set of related programs....
TeX
TeX
TeX is a typesetting system designed and mostly written by Donald Knuth and released in 1978. Within the typesetting system, its name is formatted as ....
distribution for the Microsoft Windows
Microsoft Windows
Microsoft Windows is a series of operating systems produced by Microsoft.Microsoft introduced an operating environment named Windows on November 20, 1985 as an add-on to MS-DOS in response to the growing interest in graphical user interfaces . Microsoft Windows came to dominate the world's personal...
platform. YAP allows zooming in and out by several integer factors, besides having a "magnifying glass" feature for local zooming. It supports PostScript
PostScript
PostScript is a dynamically typed concatenative programming language created by John Warnock and Charles Geschke in 1982. It is best known for its use as a page description language in the electronic and desktop publishing areas. Adobe PostScript 3 is also the worldwide printing and imaging...
specials (for instance, rendering LaTeX
LaTeX
LaTeX is a document markup language and document preparation system for the TeX typesetting program. Within the typesetting system, its name is styled as . The term LaTeX refers only to the language in which documents are written, not to the editor used to write those documents. In order to...
documents with PSTricks
PSTricks
PSTricks is a set of macros that allow the inclusion of PostScript drawings directly inside TeX or LaTeX code.It is originally the work of Professor Timothy Van Zandt and in recent years it has been maintained by Denis Girou, Sebastian Rahtz and Herbert Voss....
). Since YAP supports inverse search
Inverse search
Inverse search is a feature of some non-interactive typesetting programs, such as LaTeX and GNU LilyPond. These programs read an abstract, textual, definition of a document as input, and converts this into a graphical format such as DVI or PDF...
(when the DVI file was compiled with source specials), it can be configured to launch a LaTeX editor for the source file, placing the cursor on the corresponding word under the cursor in YAP. However, unlike PDF, there is no search facility. YAP is free software
Free software
Free software, software libre or libre software is software that can be used, studied, and modified without restriction, and which can be copied and redistributed in modified or unmodified form either without restriction, or with restrictions that only ensure that further recipients can also do...
published under the GNU
GNU
GNU is a Unix-like computer operating system developed by the GNU project, ultimately aiming to be a "complete Unix-compatible software system"...
GPL
GNU General Public License
The GNU General Public License is the most widely used free software license, originally written by Richard Stallman for the GNU Project....
. It was written by Christian Schenk.