love.graphics.readbackTexture
| Available since LÖVE 12.0 |
| It has replaced Canvas:newImageData. |
Generates or updates ImageData from the contents of the given Texture.
Unlike love.graphics.readbackTextureAsync, this will not finish and return until the GPU finishes its own asynchronous work which may take a frame's worth of time or more.
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This function can be slow if it is called repeatedly, such as from love.update or love.draw. If you need to use this every frame, consider love.graphics.readbackTextureAsync instead. |
Contents
Function
Synopsis
data = love.graphics.readbackTexture( texture )
Arguments
Texture texture- The Texture to capture.
Returns
ImageData data- The new ImageData made from the Texture's contents.
Function
Synopsis
data = love.graphics.readbackTexture( texture, mipmap, x, y, width, height, dest, destx, desty )
Arguments
Texture texture- The Texture to capture.
number slice- The cubemap face index, array index, or depth layer for cubemap, array, or volume type Textures, respectively. This argument is ignored for regular 2D textures.
number mipmap (1)- The mipmap index to use, for Textures with mipmaps.
number x- The x-axis of the top-left corner (in pixels) of the area within the Texture to capture.
number y- The y-axis of the top-left corner (in pixels) of the area within the Texture to capture.
number width- The width in pixels of the area within the Texture to capture.
number height- The height in pixels of the area within the Texture to capture.
ImageData dest (nil)- Optional existing destination ImageData that will be used instead of creating a new ImageData object.
number destx (0)- The x-axis of the top-left corner (in pixels) of the area within the destination ImageData to use.
number desty (0)- The y-axis of the top-left corner (in pixels) of the area within the destination ImageData to use.
Returns
ImageData data- The new ImageData made from the Texture's contents, or the updated existing ImageData if one was given.
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