CHAPTER 6 EPSON - 26
Print single-density image
EscKn
1
n
2
<image data> (27)(75)n1n2.... <1Bh><4Bh>n1n2....
This command enables you to define and print a single line raster bit image on a single text line.
n
1
and n
2
define the number of bytes that comprise the image.
The image consists of 256*n
2
+n
1
bytes of data, each byte representing a single vertical column of 4/30".
Each byte represents a vertical column of eight dots, the most significant bit representing the dot at the top.
Simply set a bit to 1 if you want a dot to appear in that position, and to 0 if you want white space to appear.
Images are printed from left to right.
Images are printed at a horizontal resolution of 60 dots per inch and at an approximate vertical resolution of
72 dots per inch.
You can only use this command in portrait orientation.
10 WIDTH "LPT1:", 255
20 LPRINT "*** ESC K n1 n2 ***"
30 FOR I=1 TO 5
40 '* STANDARD DENSITY BIT IMAGE MODE *
50 LPRINT CHR$(27);"K";CHR$(160);CHR$(0);
60 FOR J=1 TO 8
70 FOR K=1 TO 20
80 N=2^J-1
90 LPRINT CHR$(N);
100 NEXT K
110 NEXT J
120 LPRINT
130 NEXT I:END
*** ESC K n1 n2 ***
Sample 11
Print double-density image
EscLn
1
n
2
<image data> (27)(76)n1n2.... <1Bh><4Ch>n1n2....
This command enables you to define and print a single line raster bit image on a single text line.
n
1
and n
2
define the number of bytes that comprise the image.
The image consists of 256*n
2
+n
1
bytes of data, each byte representing a single vertical column of 4/30".
Each byte represents a vertical column of eight dots, the most significant bit representing the dot at the top.
Simply set a bit to 1 if you want a dot to appear in that position, and to 0 if you want white space to appear.
Images are printed from left to right.
Images are printed at an approximate horizontal resolution of 120 dots per inch and at an approximate
vertical resolution of 72 dots per inch.
You can only use this command in portrait orientation.
10 WIDTH "LPT1:",255
20 LPRINT "*** ESC L n1 n2 ***
30 FOR I=1 TO 5
40 '* DOUBLE-DENSITY BIT IMAGE MODE *
50 LPRINT CHR$(27);"L";CHR$(160);CHR$(0);
60 FOR J=1 TO 8
70 FOR K=1 TO 20
80 N=2^J-1
90 LPRINT CHR$(N);
100 NEXT K
110 NEXT J
120 LPRINT
130 NEXT I:END
*** ESC L n1 n2 ***
Sample 12
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