(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 (nil)
- Which cubemap face, array index, or volume layer to replace, if applicable; the value is ignored otherwise.
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 (true/false)
- 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
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