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3. Creating a Graphic Packet
3-5
Bitmap Fields _____________________________________________
This defines one row of dots, starting at a specific row and column within the
graphic image. Each unique row of dots requires a bitmap field. A bitmap field
can later be repeated by using a duplicate field.
Syntax B,row,column,algorithm,"data"¦
B Identifies a bitmap field.
row Distance (in dots) from the graphic image’s bottom margin to the bitmap line.
Unit of Measure 9490/9494 9446/1460 6030
English 0- 599 0- 799 0- 372
Metric 0- 1521 0- 2033 0- 945
Dots 0- 1151 0- 1536 0- 701
column Distance (in dots) from the graphic image’s left edge to the bitmap line.
Unit of Measure 9490/9494/9446/1460 6030
English 0- 399 0- 183
Metric 0- 1015 0- 465
Dots 0- 768 0-352
algorithm Coding method to use for bitmap data.
H Hex Representation
R Run Length Encoding
"data" Character string made up of Hexadecimal or Run Length encoding. Do not
put spaces or any other character between the numbers.
Example B,39,56,H,“3FFFFFF0”¦
♦ Bitmapped graphic field
♦ Image begins 39 dots from the bottom of the graphic area
♦ Image begins 56 dots from the left edge of the graphic area
♦ Hex representation is used