QMS VMS Guia do Utilizador descarregar pdf (Página 100)

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The “picture data” in the sixel mode command is the sixel graphics

data. Sixel graphics data is encoded in 8-bit bytes, each byte being an

ASCII character code between Hex 3F and Hex 7E. If a bit has a 1

value, the printer prints the pixel. If the bit is 0, no pixel prints. The fol-

lowing characters have special meanings in sixel graphics data.

Any character greater than Hex 7F exits sixel graphics data mode.

The following characters are reserved for future use:

<CAN>

Abort sixel graphics data mode.

<SUB>

Prints a blank sixel.

<ESC>

Exits sixel graphics data mode and begins a new

escape sequence.

Graphics Repeat Introducer (DECGRI). Precedes a

decimal integer repeat value for the next sixel. If the

integer is omitted or 0, the repeat value is 1. The

maximum repeat value is 32767.

“

Graphics Raster Attributes (DECGRA). Introduces

the pixel aspect ratio.

Graphics Carriage Return (DECGCR). Use this

character to overprint a sixel graphics line. Returns

the current position to the graphics left margin.

Graphics New Line (DECGNL). Returns the current

position to the graphics left margin and down one

sixel graphics line.

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