(Image):replacePixels
Available since LÖVE 0.11.0 |
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 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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