Matrix Orbital GLK24064-16-1U - Manual (Page 28)

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5.5 Drawing
5.1 Set Drawing
Colour Dec
Hex
ASCII 254 99
FE 63
■ c
Colour
Colour
Colour
Change the drawing colour used for all subsequent drawing commands that do not implicitly specify colour.
Colour 1 byte, 0 for background or 1 to 255 for text colour
5.2 Draw Pixel Dec
Hex
ASCII 254 112
FE 70
■ p
X Position Y Position
X Position Y Position
X Position Y Position
Draw a single pixel on the graphic display using the current drawing colour.
X Position 1 byte, horizontal position of pixel, value between 0 and 239
Y Position 1 byte, vertical position of pixel, value between 0 and 63
5.3 Draw a
Line Dec
Hex
ASCII 254 108
FE 6C
■ l
X1 Position Y1 Position X2 Position Y2 Position
X1 Position Y1 Position X2 Position Y2 Position
X1 Position Y1 Position X2 Position Y2 Position
Draw a line connecting two termini. Lines may be rendered differently when drawn right to left versus left to right.
X1 Position 1 byte, horizontal coordinate of first terminus, value between 0 and 239
Y1 Position 1 byte, vertical coordinate of first terminus, value between 0 and 63
X2 Position 1 byte, horizontal coordinate of second terminus, value between 0 and 239
Y2 Position 1 byte, vertical coordinate of second terminus, value between 0 and 63
5.4 Continue a
Line Dec
Hex
ASCII 254 101
FE 65
■ e
X Position Y Position
X Position Y Position
X Position Y Position
Draw a line from the last point drawn to the coordinate specified using the current drawing colour.
X Position 1 byte, left coordinate of terminus, value between 0 and 239
Y Position 1 byte, top coordinate of terminus, value between 0 and 63
5.5 Draw a
Rectangle Dec
Hex
ASCII 254 114
FE 72
■ r
Colour X1 Position Y1 Position X2 Position Y2 Position
Colour X1 Position Y1 Position X2 Position Y2 Position
Colour X1 Position Y1 Position X2 Position Y2 Position
Draw a rectangular frame one pixel wide using the colour specified; current drawing colour is ignored.
Colour 1 byte, 0 for background or 1 to 255 for text colour
X1 Position 1 byte, leftmost coordinate, value between 0 and 239
Y1 Position 1 byte, topmost coordinate, value between 0 and 63
X2 Position 1 byte, rightmost coordinate, value between X1 and 239
Y2 Position 1 byte, bottommost coordinate, value between Y1 and 63