Difference between revisions of "ImageData:setPixel"
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data = love.image.newImageData(32,1) | data = love.image.newImageData(32,1) | ||
for i=0, 31 do -- remember: start at 0 | for i=0, 31 do -- remember: start at 0 | ||
− | data:setPixel(i, | + | data:setPixel(i, 0, 255, 255, 255, (i * 8)) |
end | end | ||
img = love.graphics.newImage(data) | img = love.graphics.newImage(data) |
Revision as of 19:35, 11 May 2013
Sets the color of a pixel.
Valid x and y values start at 0 and go up to image width and height minus 1.
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 (0-255).
number g
- The green component (0-255).
number b
- The blue component (0-255).
number a
- The alpha component (0-255).
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, 255, 255, 255, (i * 8))
end
img = love.graphics.newImage(data)
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