Difference between revisions of "(Image):getData"
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− | {{ | + | {{newinoldin|[[0.9.0]]|090|[[11.0]]|110|type=function|text=Create an [[ImageData]] from a file, create the Image from that, and keep a reference to the ImageData, instead of using this function}} |
Gets the original [[ImageData]] or [[CompressedData]] used to create the Image. | Gets the original [[ImageData]] or [[CompressedData]] used to create the Image. | ||
Revision as of 20:08, 1 April 2018
Available since LÖVE 0.9.0 and removed in LÖVE 11.0 |
Create an ImageData from a file, create the Image from that, and keep a reference to the ImageData, instead of using this function. |
Gets the original ImageData or CompressedData used to create the Image.
All Images keep a reference to the Data that was used to create the Image. The Data is used to refresh the Image when love.window.setMode or Image:refresh is called.
Contents
Function
Synopsis
data = Image:getData( )
Arguments
None.
Returns
ImageData data
- The original ImageData used to create the Image, if the image is not compressed.
Function
Synopsis
data = Image:getData( )
Arguments
None.
Returns
CompressedData data
- The original CompressedData used to create the Image, if the image is compressed.
Examples
Edit the Image's ImageData and refresh the Image using the edited ImageData.
function love.load()
image = love.graphics.newImage("pig.png")
end
function love.draw()
love.graphics.draw(image)
end
function love.keypressed(key)
-- If the image is compressed, it will return CompressedData which doesn't have a mapPixel method.
-- Currently only dds files can become compressed images.
if key == "e" and not image:isCompressed() then
local data = image:getData()
data:mapPixel(function(x, y, r, g, b, a) return r/2, g/2, b/2, a/2 end)
image:refresh()
end
end
See Also
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