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Printing the bit image:

This function prints the specified number of dot-lines of image data. Since a full dot-line of data is

576 dots (72 bytes) long for an 80 mm width paper, send it to the printer after subtracting the

number of dots taken up by the right and left margins, if they are specified. If, for example, 40

dots are specified for each of the right and left margins (each margin can be specified in 8-dot

units), the data length of one dot line will be 576 - (40 + 40) = 496 (62 bytes).

1 byte data

Specified no. of

dots

Max 576 dots

Figure 2.23

Bitmap file

The 2-scale (monochrome) bitmap file can be printed through the Print Library.

The functions of the Printer Library relevant to the “Printing Bit Image” are as follows.

PRNImageOut

: Prints out bit image.

PRNBMPOut

: Prints out specified bitmap.

Printing screen

This allows you to print the screen (to make a hard copy). If the left and right margins have been

set, the size of the image will be scaled down so that it fits within these margins when it is printed

out.

Printing window

This allows you to print a specific window. If the left and right margins have been set, the size of

the image will be scaled down so that it fits within these margins when it is printed out.

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