Difference between revisions of "(Image):replacePixels"
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Replace the contents of an Image. | Replace the contents of an Image. |
Revision as of 16:53, 1 April 2018
Available since LÖVE 0.11.0 |
This function replaces Image:refresh. |
Replace the contents of an Image.
Function
Synopsis
Image:replacePixels( data, slice, mipmap )
Arguments
ImageData data
- The new ImageData to replace the contents with.
number slice
- Which slice to replace, if applicable.
number mipmap (0)
- The mimap level of the new ImageData. If 0 Image:replacePixels will generate new mimaps.
Returns
Nothing.
Examples
function love.load()
imagedata = love.image.newImageData("pig.png")
image = love.graphics.newImage(imagedata)
end
function love.draw()
love.graphics.draw(image)
end
function love.keypressed(key)
if key == "e" then
-- Modify the original ImageData and apply the changes to the Image.
imagedata:mapPixel(function(x, y, r, g, b, a) return r/2, g/2, b/2, a/2 end)
image:replacePixels(imagedata)
end
end
See Also
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