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Version
1.0.5
Size
4.91 Mb
Updated
9 years ago
Released
05 Feb 2015
Screenshots
Description
This is a tool for programmers — It does not convert images.
When converting an image from color to greyscale the perceived brightness of each color is matched with its equivalent greyscale tone. The Grey Shaders app includes 7 GLSL shaders that convert a sample color image to greyscale. Users can toggle between the greyscale versions and the original full-color image for optimal A/B comparison.
To switch between the shaders, tap anywhere in the top-right or top-left of the image to move forward/back in the list. Tap anywhere on the bottom of the image to toggle between the full-color image and the currently-selected greyscale image. Toggling between the color and greyscale versions of an image allows the user to carefully inspect the results of each shader.
See Support URL for full details about the app including the source code and shaders used.
Estimates
Availability
Devices
iPhone3GS
iPadWifi
iPad3G
iPhone4
iPodTouchThirdGen
iPodTouchFourthGen
iPad2Wifi
iPad23G
iPhone4S
iPadThirdGen
iPadThirdGen4G
iPhone5
iPodTouchFifthGen
iPadFourthGen
iPadFourthGen4G
iPadMini
iPadMini4G
iPhone5c
iPhone5s
iPadAir
iPadAirCellular
iPadMiniRetina
iPadMiniRetinaCellular
iPhone6
iPhone6Plus
iPadAir2
iPadAir2Cellular
iPadMini3
iPadMini3Cellular
iPodTouchSixthGen
iPhone6s
iPhone6sPlus
iPadMini4
iPadMini4Cellular
iPadPro
iPadProCellular
iPadPro97
iPadPro97Cellular
iPhoneSE
iPhone7
iPhone7Plus
iPad611
iPad612
iPad71
iPad72
iPad73
iPad74
iPhone8
iPhone8Plus
iPhoneX
Pricing by country
| Country | Price |
|---|---|
| Canada | free |
| China | free |
| France | free |
| Germany | free |
| Italy | free |
| Netherlands | free |
| Portugal | free |
| Spain | free |
| Poland | free |
| UK | free |
| India | free |
| Japan | free |
| Poland | free |
| Russia | free |
| Turkey | free |
| USA | free |
| Korea, Republic Of | free |
| Ukraine | free |
