The only interface with a global "Create" function, any other functionality goes from here.

Layer configuration, creation of windows and background configuration.

Surface locking, setting colorkeys and other drawing parameters, clipping, flipping, blitting, drawing.

Access to palette data. Set/get entries, rotate palette.

Moving, resizing, raising and lowering. Getting an interface to the window's surface. Setting opacity and handling events.

Creation of input buffers and explicit state queries.

An event buffer puts events from devices or windows into a FIFO.

Getting font metrics and pixel width of a string.

Getting information about and loading one image from file.

Rendering video data into a surface.

Streaming or static data for image or video providers.

OpenGL context of a surface.