Difference between revisions of "gc:setColorRGB"
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(Created page with "gc:'''setColorRGB''' is a function that is part of the gc (Graphics Context). It sets the color of subsequent ''draw'' and ''fill'' operations. {{Since|3.0}} ...") |
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It sets the color of subsequent ''draw'' and ''fill'' operations. | It sets the color of subsequent ''draw'' and ''fill'' operations. | ||
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{{Since|3.0}} | {{Since|3.0}} | ||
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| <u><center>blue</center></u> || number || A number from 0 to 255 representing the "amount" of blue in the color | | <u><center>blue</center></u> || number || A number from 0 to 255 representing the "amount" of blue in the color | ||
|} | |} | ||
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| + | NB : You can also use hexadecimal numbers instead of decimal ones for each of the arguments.<br /> | ||
| + | For example : '''gc:setColorRGB(0xFF,0xA5,0x9D)''' is perfecly valid.<br /> | ||
== Example == | == Example == | ||
Latest revision as of 11:27, 20 December 2011
gc:setColorRGB is a function that is part of the gc (Graphics Context).
It sets the color of subsequent draw and fill operations.
This has been introduced in TI-Nspire OS 3.0 (Changes).
Syntax
gc:setColorRGB(red, green, blue)
| Parameter | Type | Description |
|---|---|---|
| number | A number from 0 to 255 representing the "amount" of red in the color | |
| number | A number from 0 to 255 representing the "amount" of green in the color | |
| number | A number from 0 to 255 representing the "amount" of blue in the color |
NB : You can also use hexadecimal numbers instead of decimal ones for each of the arguments.
For example : gc:setColorRGB(0xFF,0xA5,0x9D) is perfecly valid.
Example
function on.paint(gc)
gc:setColorRGB(0,0,0)
gc:drawString("Hello you",0,0,"top") -- will display that text in black
gc:setColorRGB(255,0,0)
gc:drawString("Hello you too",20,20,"top") -- will display that text in red
end
