wiTrueColorImage methods

wiTrueColorImage extends wiImage.

Creating

static create($width, $height)
Creates a wiTrueColorImage object with the given size.

Image information

isTrueColor()
Returns true.

Colors

alphaBlending($mode)
Sets alphablending.

saveAlpha($on)
Sets savealpha.

allocateColorAlpha($R, $G = null, $B = null, $A = null)
Allocates a color with alpha information. $R can be a RGBA array.

getClosestColorAlpha($R, $G = null, $B = null, $A = null)
Returns the color that is closest to the given RGBA values.

getExactColorAlpha($R, $G = null, $B = null, $A = null)
Returns the color that exactly matches the given RGBA values.

Replication

asPalette($nColors = 255, $dither = null, $matchPalette = true)
Returns a copy of itself, converted to wiPaletteImage. See asPalette operation for more details.

function copyNoAlpha()
Returns the image without alpha channel.

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CategoryDocApi