ImageData:setPixel
Sets the color of a pixel at a specific position in the image.
Valid x and y values start at 0 and go up to image width and height minus 1.
In versions prior to 11.0, color component values were within the range of 0 to 255 instead of 0 to 1.
This function locks the ImageData until it is done, making it safe to use from multiple Threads, albeit without any performance gains.
Function
Synopsis
ImageData:setPixel( x, y, r, g, b, a )
Arguments
number x
- The position of the pixel on the x-axis.
number y
- The position of the pixel on the y-axis.
number r
- The red component (0-1).
number g
- The green component (0-1).
number b
- The blue component (0-1).
number a
- The alpha component (0-1).
Returns
Nothing.
Examples
Create a 32x1 pixel transparent-to-white gradient drawable image.
data = love.image.newImageData(32,1)
for i=0, 31 do -- remember: start at 0
data:setPixel(i, 0, 1, 1, 1, i / 31)
end
img = love.graphics.newImage(data)
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