(Image):replacePixels

Available since LÖVE 11.0
This function replaces Image:refresh.


Replace the contents of an Image.

Function

Synopsis

Image:replacePixels( data, slice, mipmap, x, y, reloadmipmaps )

Arguments

ImageData data
The new ImageData to replace the contents with.
number slice
Which cubemap face, array index, or volume layer to replace, if applicable.
number mipmap (1)
The mimap level to replace, if the Image has mipmaps.
number x (0)
The x-offset in pixels from the top-left of the image to replace. The given ImageData's width plus this value must not be greater than the pixel width of the Image's specified mipmap level.
number y (0)
The y-offset in pixels from the top-left of the image to replace. The given ImageData's height plus this value must not be greater than the pixel height of the Image's specified mipmap level.
boolean reloadmipmaps
Whether to generate new mipmaps after replacing the Image's pixels. True by default if the Image was created with automatically generated mipmaps, false by default otherwise.

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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