1. A method, comprising: receiving a textual data set comprising a plurality of encoded text characters, each respective encoded text character corresponding to at least one respective text character to be visually rendered; and determining, based on the textual data set, a drawing instruction set comprising, for each respective encoded text character within the plurality of encoded text characters, a respective at least one drawing instruction to draw at least part of a glyph of a respective the respective encoded text character, wherein each respective at least one drawing instruction excludes an indication of a correspondence with an associated text character code, and wherein each respective at least one drawing instruction for a specified text character excludes instructions to repeat other drawing instructions for other instances of the specified text character.