# Function arduboy_rust::sprites::draw_self_masked

source ·

    pub fn draw_self_masked(x: i16, y: i16, bitmap: *const u8, frame: u8)

Expand description

Draw a sprite using only the bits set to 1.

Parameters

- x,y The coordinates of the top left pixel location.
- bitmap A pointer to the array containing the image frames.
- frame The frame number of the image to draw.

Bits set to 1 in the frame will be used to draw the sprite by setting the corresponding pixel in the buffer to 1. Bits set to 0 in the frame will remain unchanged in the buffer.

     image  before  after  (# = 1, - = 0)

     -----  -----   -----
     --#--  -----   --#--
     ##-##  -----   ##-##
     --#--  -----   --#--
     -----  -----   -----

     image  before  after

     -----  #####   #####  (no change because all pixels were
     --#--  #####   #####  already white)
     ##-##  #####   #####
     --#--  #####   #####
     -----  #####   #####