1. A computing device, comprising: a processor; a camera; a display screen; and memory including instructions that, when executed by the processor, cause the computing device to: acquire an image using the camera, the image including text; acquire a binary mask for the image; select a plurality of pixels of the image for at least one visual effect corresponding to at least one portion of the text, the plurality of pixels being selected based at least in part upon the binary mask; calculate respective values for each of the plurality of pixels of the image for the at least one visual effect corresponding to the at least one portion of the text; modify the image based at least in part upon the respective values for each of the plurality of pixels for the at least one visual effect; and display the modified image on the display screen, wherein the modified image is displayed at least in substantially real time.