Picture methods

Online Documentation   -   Statistics   -   FAQ   -   Plugin Parts (All, Dependencies)   -   Class hierarchy

New in Version 22.2 22.3 22.4 22.5 23.0 23.1 23.2 23.3 23.4 23.5 24.0 24.1

The list of the   topics,   classes,   interfaces,   controls,   modules,   global methods by category,   global methods by name,   screenshots,   licenses   and   examples.

Platforms to show: All Mac Windows Linux Cross-Platform

Back to Picture class.

Picture.GrayScale2MBS(mode as Integer) as boolean

Type Topic Plugin Version macOS Windows Linux iOS Targets
method Graphics & Pictures MBS Picture Plugin 15.1 ✅ Yes ✅ Yes ✅ Yes ✅ Yes All
Turns picture into grayscale.
Example
dim l as Picture = LogoMBS(500)
if l.GrayScale2MBS(0) then
Backdrop = l
end if

Returns true on success and false on failure.

Modes:

0y = 0.33 * R + 0.5 * G + 0.16 * BFaster version of 3
1y = 0.375 * R + 0.5 * G + 0.125 * BFaster version of 3
2y = 0.2126 * R + 0.7152 * G + 0.0722 * BPhotometric/digital ITU-R
3y = 0.299 * R + 0.587 * G + 0.114 * BDigital CCIR601

Mode 2 and 3 uses doubles and mode 0 and 1 use integers so they should be faster.
Still Mode 0 and 1 are just approximation formulas which trade accuracy for perfomance.

GrayScaleMBS makes a copy of the picture while GrayScale2MBS edits in-place.

Blog Entries

The items on this page are in the following plugins: MBS Picture Plugin.


💬 Ask a question or report a problem