Epson TM-T20II-i ePOS-Print XML Users Manual - Page 74

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Print a raster graphic bit-image. (Data type xs:base64Binary) Raster graphics refer to data generated by horizontally scanning the pixels of an image from the top left corner of that image as the origin point. Data is generated based on 1 bit per pixel for two-tone images, and 4 bits per pixel for 16-tone images, starting with the upper bits of byte data. And zero-padding is performed so that scan data per line can be treated on a byte basis. • In page mode, a raster image is laid out in the current print position with the reference point being its bottom left dot. The print position will not move. • In page mode, set the print position so that a raster image does not extend beyond the print area. • Multiple tone printing is not supported in Page Mode. Multiple tone graphic printing is supported in Standard Mode only. • When multiple tones are set for raster images, intermitting printing may occur because the amount of data to print increases and white stripes may appear in the print result. • The scan quality of barcodes/2D-codes printed as multiple-tone raster images cannot be guaranteed. Print them as two-tone images. • To print a raster image at high speed, specify "left" for the align attribute and specify a multiple of 8 that does not exceed the printer paper width for the width attribute value. • To create raster graphic bit-images, use the ePOS-Print XML generator tool or your own application. Note the following when creating raster graphic images using your own application.  Two-tone image: Specify a multiple of 8 for the image width or fill the missing bits with zeros.  16-tone image: Specify a multiple of 2 for the image width or fill the missing bits with zeros. Attribute  width :  height : (Required attribute, data type xs:unsignedShort) Specifies the image width in dots. (Required attribute, data type xs:unsignedShort) Specifies the image height in dots.  color : (Optional attribute, data type tns:color) Specifies the character color. Attribute value none color_1 (default) color_2 color_3 color_4 Description Characters are not printed. First color Second color Third color Fourth color 74

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74
<image>
Print a raster graphic bit-image. (Data type xs:base64Binary)
Raster graphics refer to data generated by horizontally scanning the pixels of an image from the top left
corner of that image as the origin point.
Data is generated based on 1 bit per pixel for two-tone images, and 4 bits per pixel for 16-tone images,
starting with the upper bits of byte data. And zero-padding is performed so that scan data per line can be
treated on a byte basis.
Attribute
width :
(Required attribute, data type xs:unsignedShort)
Specifies the image width in dots.
height :
(Required attribute, data type xs:unsignedShort)
Specifies the image height in dots.
color :
(Optional attribute, data type tns:color)
Specifies the character color.
•
In page mode, a raster image is laid out in the current print position with the reference point
being its bottom left dot. The print position will not move.
•
In page mode, set the print position so that a raster image does not extend beyond the print
area.
•
Multiple tone printing is not supported in Page Mode. Multiple tone graphic printing is supported
in Standard Mode only.
•
When multiple tones are set for raster images, intermitting printing may occur because the
amount of data to print increases and white stripes may appear in the print result.
•
The scan quality of barcodes/2D-codes printed as multiple-tone raster images cannot be
guaranteed.
Print them as two-tone images.
•
To print a raster image at high speed, specify "left" for the align attribute and specify a multiple
of 8 that does not exceed the printer paper width for the width attribute value.
•
To create raster graphic bit-images, use the ePOS-Print XML generator tool or your own
application. Note the following when creating raster graphic images using your own application.
Two-tone image: Specify a multiple of 8 for the image width or fill the missing bits with zeros.
16-tone image: Specify a multiple of 2 for the image width or fill the missing bits with zeros.
Attribute value
Description
none
Characters are not printed.
color_1 (default)
First color
color_2
Second color
color_3
Third color
color_4
Fourth color