Revision as of 19:55, 25 June 2023 (view source) Laurence (talk \| contribs) (→‎{{header\|Fōrmulæ}}) ← Older edit		Revision as of 17:09, 20 August 2023 (view source) Laurence (talk \| contribs) (→‎{{header\|Fōrmulæ}}: misplaced) Newer edit →
Line 1,327: animage = gray call output_ppm(an_unit, animage)</syntaxhighlight> ~~=={{header\|Fōrmulæ}}==~~ ~~{{FormulaeEntry\|page=https://formulae.org/?script=examples/Grayscale_image}}~~ ~~'''Solution'''~~ ~~Note the use of the dot product in the calculation of the gray level.~~ ~~[[File:Fōrmulæ - Grayscale image 01.png]]~~ ~~'''Test case'''~~ ~~[[File:Fōrmulæ - Grayscale image 02.png]]~~ ~~[[File:Fōrmulæ - Grayscale image 03.png]]~~ =={{header\|FreeBASIC}}==

Grayscale image (view source)