An Image Acquisition can have one of the 4 following states.
Whether an image could be acquired
Get the index of the acquired image
Whether the acquisition is in not-ready state
Whether the acquisition is in OK state
Whether the acquisition is in out-of-date state
Get the state of the acquisition
Whether the acquisition is in suboptimal state
Whether the Swapchain should be reconstructed
Make an ImageAcquisition in notReady state.
Make an ImageAcquisition in OK state with the given image index.
Make an ImageAcquisition in out-of-date state.
Make an ImageAcquisition in Suboptimal state with the given image index.
Result of Image acquisition from a Swapchain.