Voodoo Screen Test Patterns
10,000 - 50,000 downloadsAdd this app to your lists
by François SIMOND aka supercurio
This app display simple colors on your Android device screen.
Those colors are then measured by a colorimeter or spectrophotometer
in order to build graphs or color profiles.
I recommend using free software Color HCFR:
but I guess alternative solutions like Calman or ChromaPure are fine.
Non-fullscreen pattern is intentional to help with measurement accuracy on displays with content-adaptive backlight/brightness control or brightness consistency issues when displaying large bright zones. Bad ratings for "missing fullscreen options" are lame and non welcome.
(This aspect can be improved)
- A computer
- A colorimeter or spectrophotometer
- Grayscale: 4-128
- Near Black: 4-10
- Near White: 4-10
- Saturations: 4-16
Application also has its own brightness level control
See COPYING for license stuff.
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- Rectangular pattern as a workaround for this bug: http://project-voodoo.org/articles/ovalshape-drawable-dark-color-bug
- Add pattern scaling feature
- more convenient number of grayscale levels, including 100 for high accuracy
- better formatting for current IRE level display, now also for Near Black and Near White