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image_resize_storage(3) Arcan Lua API image_resize_storage(3) NAME image_resize_storage - resize the dimensions of the image backing store SYNOPSIS nil image_resize_storage( vid:tgt, int:neww, int:newh ) image_resize_storage( vid:tgt, int:neww, int:newh, int:vieww, int:viewh, int:viewx, int:viewy ) DESCRIPTION This function is indended for testing streaming transfers and for render- targets where one may need to permanently or temporarily change backing storage dimensions in order to save memory or deal with rendertarget resize without rebuilding attachment chains. The longer argument form with vieww , viewh , viewx and viewy redefines the window coordinate system range from 0,0,neww,newh to viewx,viewy,viewx+vieww,viewy+viewh. This can be used to- gether with define_linktarget in order to have two different views of the same pipeline. NOTES 1 There is no guarantee that the change can be performed as some plat- forms may impose alignment and padding requirements. 2 The underlying code-path is similar to the resized event for a frameserver, but without the event being emitted. No alert is raised if the change could not be performed due to video hardware issues or memory constraints. EXAMPLE function image_resize_storage0() local surf = alloc_surface(640, 480); local props = image_storage_properties(surf); print(props.width, props.height); image_resize_storage(surf, 320, 240); props = image_storage_properties(surf); print(props.width, props.height); end SEE ALSO: image August 2026 image_resize_storage(3)
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