Helpers

module

Helpers.js:1

function

getAlpha

Helpers.js:46

getAlpha(colour)

Parameters

Name	Type	Description
`colour`	`number`

function

getBlue

Helpers.js:70

getBlue(colour)

Parameters

Name	Type	Description
`colour`	`number`

function

getGreen

Helpers.js:62

getGreen(colour)

Parameters

Name	Type	Description
`colour`	`number`

function

getRed

Helpers.js:54

getRed(colour)

Parameters

Name	Type	Description
`colour`	`number`

function

Point2Pixel

Helpers.js:5

Point2Pixel(pt, dpi)

Convert Point size to Pixel size (useful in gdi.Font and such)

Parameters

Name	Type	Description
`pt`	`number`
`dpi`	`number`

function

pos2vol

Helpers.js:126

pos2vol(pos)

Based on human hearing curve 0 <= pos <= 1 return a value value: -100 <= vol <= 0

Parameters

Name	Type	Description
`volume`	`float`

Returns

float

function

RGB

Helpers.js:26

RGB(r, g, b)

Parameters

Name	Type	Description
`r`	`number`
`g`	`number`
`b`	`number`

function

RGBA

Helpers.js:15

RGBA(r, g, b, a)

Parameters

Name	Type	Description
`r`	`number`
`g`	`number`
`b`	`number`
`a`	`number`

function

setAlpha

Helpers.js:78

setAlpha(colour, a)

Parameters

Name	Type	Description
`colour`	`number`
`a`	`number`

function

setBlue

Helpers.js:105

setBlue(colour, b)

Parameters

Name	Type	Description
`colour`	`number`
`b`	`number`

function

setGreen

Helpers.js:96

setGreen(colour, g)

Parameters

Name	Type	Description
`colour`	`number`
`g`	`number`

function

setRed

Helpers.js:87

setRed(colour, r)

Parameters

Name	Type	Description
`colour`	`number`
`r`	`number`

function

StringFormat

Helpers.js:114

StringFormat(h_align = 0, v_align = 0, trimming = 0, flags = 0)

Helper function for DrawString and MeasureString

Parameters

Name	Type	Description
`h_align`	`number`
`v_align`	`number`
`trimming`	`number`
`flags`	`number`

function

toRGB

Helpers.js:36

toRGB(color)

Returns an array like [192, 0, 0]

Parameters

Name	Type	Description
`colour`	`number`

function

vol2pos

Helpers.js:138

vol2pos(volume)

Inverse function of pos2vol()

Parameters

Name	Type	Description
`volume`	`float`

Returns

float

object

colours

Helpers.js:148

pre-calculated colours