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User Manual (view source)

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=== Graphic filters ===
{{DISPLAYTITLE:[Deprecated] User Manual }}
{| border="0" cellpadding="1" cellspacing="2" style="margin-left:5em; background:#FF9999; width:80%"
|- align="center"
|'''Check out our new user documentation!'''
|- style="margin-left:1em; background:#ffffff;"
|- style="background:#ffffff"
|We have a user documentation portal at [https://docs.scummvm.org docs.scummvm.org]. It covers all aspects of using ScummVM, including how to install ScummVM on a variety of platforms, how to add and play games, and how to tweak settings for optimal game play.
|}__NOEDITSECTION__ __NOTOC__


ScummVM offers several anti-aliasing filters to attempt to improve visual
{{ManualSectionNoLink|name=Getting Help|desc=
quality. These filters take the original game graphics, and scale it by a
# [https://github.com/scummvm/scummvm/blob/v{{StableVersion}}/README.md ReadMe file for version {{StableVersion}}]
certain fixed factor (usually 2x or 3x) before displaying them to you.
## [https://github.com/scummvm/scummvm/raw/v{{StableVersion}}/doc/cz/PrectiMe Czech translation]
So for example, if the game originally ran at a resolution of 320x200
## [https://github.com/scummvm/scummvm/raw/v{{StableVersion}}/doc/de/LIESMICH German translation]
(typical for most of the SCUMM games), then using a filter with a scale
## [https://github.com/scummvm/scummvm/raw/v{{StableVersion}}/doc/se/LasMig Swedish translation]
factor of 2x will effectively yield 640x400 graphics. Likewise a
## [https://github.com/scummvm/scummvm/raw/v{{StableVersion}}/doc/da/HurtigStart Danish QuickStart translation]
3x filter will give 960x600.
## [https://github.com/scummvm/scummvm/raw/v{{StableVersion}}/doc/fr/DemarrageRapide French QuickStart translation]
## [https://github.com/scummvm/scummvm/raw/v{{StableVersion}}/doc/it/GuidaRapida Italian QuickStart translation]
## [https://github.com/scummvm/scummvm/raw/v{{StableVersion}}/doc/no-nb/HurtigStart Norwegian (bokmaal) QuickStart translation]
## [https://github.com/scummvm/scummvm/raw/v{{StableVersion}}/doc/es/InicioRapido Spanish QuickStart translation]
}}


ScummVM uses the following graphic filters:
{{ManualSectionNoLink|name=Appendix|desc=# [[User Manual/Appendix: Controls|Control Mapping for supported devices]]
{|class="wikitable"
# [[User Manual/Appendix: Graphic filters|Graphic filters]]
|-
# [[User Manual/Appendix: Tools|Tools]], a list of the tools available for use with ScummVM (e.g. for compressing audio), along with a description of their usage
! Name
# [[User Manual/Appendix: Integrations|Integrations]]
! Factor
}}
! Description
|-
| 1x
| 1x
| No filtering, no scaling, fastest
|-
| 2x
| 2x
| No filtering, simple pixel duplication (default for non 640x480 games)
|-
| 3x
| 3x
| No filtering, simple pixel duplication
|-
| 2xsai
| 2x
| SAI filter
|-
| super2xsai
| 2x
| Enhanced 2xSAI filtering
|-
| supereagle
| 2x
| Less blurry than 2xSAI, but slower
|-
| advmame2x
| 2x
| Doesn't rely on blurring like 2xSAI, fast
|-
| advmame3x
| 3x
| Doesn't rely on blurring like 2xSAI, fast
|-
| hq2x
| 2x
| Very nice high quality filter but slow
|-
| hq3x
| 3x
| Very nice high quality filter but slow
|-
| tv2x
| 2x
| Interlace filter, tries to emulate a TV
|-
| dotmatrix
| 2x
| Dot matrix effect
|}


To select a graphics filter from the command line, use the '-g' [[Command_line_options|command line option]], e.g.:
{{ManualSectionNoLink|name=Links|desc=
 
You will find help on using ScummVM in other places on the web. Here are a few links to solve frequent issues or that my help you improve your experience with ScummVM.
<pre>scummvm -gadvmame2x monkey2</pre>
* HOW-TOs:
 
** [https://forums.scummvm.org/viewtopic.php?t=8440 How to catch ScummVM errors <nowiki>[forum]</nowiki>]
There is always a speed impact when using any form of anti-aliasing/linear filtering. Filters can be especially slow when ScummVM is compiled in a debug
** [https://forums.scummvm.org/viewtopic.php?t=8012 How to play multi-disc games with ScummVM <nowiki>[forum]</nowiki>]
configuration without optimizations. For these reasons, not all backends support all (or even any) of the filters listed above;
** [https://forums.scummvm.org/viewtopic.php?t=6303 Enhanced ScummVM MIDI music on Windows <nowiki>[forum]</nowiki>]
some may support additional ones. The filters listed above are those supported by the default SDL backend.
** [https://forums.scummvm.org/viewtopic.php?t=4639 Using Timidity with ScummVM on Windows XP <nowiki>[forum]</nowiki>]
 
** [[HOWTO-LoomTG16|How to extract the Loom PC-Engine/TG16 data track to use with ScummVM <nowiki>[wiki]</nowiki>]]
NB: The final resolution depends on the original resolution of the game you are playing. For example, the FM-TOWNS version of Zak McKracken uses an original resolution of 320x240, hence for this game the final resolution with a scaler will be 640x480 (2x) or 960x720 (3x).
* Supported games:
Likewise, games that were originally 640x480 (such as Curse of Monkey Island or the Broken Sword games) will be scaled to 1280x960 (2x) and 1920x1440 (3x).
** [https://www.scummvm.org/compatibility/{{StableVersion}}/ Compatibility table for the latest ScummVM release <nowiki>[website]</nowiki>]
** [https://www.scummvm.org/compatibility/ Compatibility table for the development version of ScummVM <nowiki>[website]</nowiki>]
** [[Engines|List of games that are supported by ScummVM or for which there is a work in progress <nowiki>[wiki]</nowiki>]]
}}
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