Get Output DPI

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This escape returns the X and Y-Axis DPI or Dots Per Inch. This function is useful when displaying bitmaps and you need to use a different bitmap file to keep the real size of the printed bitmap the same, despite differences in printer resolution.

Parameter

Value or Description

Lead-In

<ESC>i

Terminator

none

 

Example

This displays one bitmap for 300 DPI and another for 600 DPI:

PRINT CHR$(27);"i";

INPUT "";DPIX,DPIY

FILENAME = ""

IF DPIX = 300 AND DPIY = 300 THEN &

FILENAME = "300DPI.BMP"

IF DPIX = 600 AND DPIY = 600 THEN &

FILENAME = "600DPI.BMP"

IF FILENAME <> "" THEN &

PRINT CHR$(27);"b";FILENAME;CHR$(0);