Print control device, printing system, and print control method for generating image print commands from print data in markup language
First Claim
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1. A method of controlling a printer connectable to a POS terminal configured to receive, from a server, a web page through a web browser, the method comprising following steps executed by the printer:
- (a) receiving, based on HTTP, print data written in a markup language;
(b) obtaining, from the print data written in the markup language, image data and attributes that include a color mode and an image size;
(c) generating, based on the print data written in the markup language, an image print command according to the color mode, without a printer driver, when a data size of the image data equals a product of (i) the data size per pixel corresponding to the color mode and (ii) the image size, andwherein the POS terminal generates the print data written in the markup language by executing a print control script embedded in the web page through the web browser.
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Abstract
A print control device 31 connected to a host 20 and a printer 32 has a print data receiving unit 81 that receives print data written in markup language from the host 20, a command generating unit 82 that adds an initialization command before the print data and generates a print instruction command, and a command transmission unit 83 that transmits the generated print instruction command to the printer 32.
35 Citations
9 Claims
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1. A method of controlling a printer connectable to a POS terminal configured to receive, from a server, a web page through a web browser, the method comprising following steps executed by the printer:
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(a) receiving, based on HTTP, print data written in a markup language; (b) obtaining, from the print data written in the markup language, image data and attributes that include a color mode and an image size; (c) generating, based on the print data written in the markup language, an image print command according to the color mode, without a printer driver, when a data size of the image data equals a product of (i) the data size per pixel corresponding to the color mode and (ii) the image size, and wherein the POS terminal generates the print data written in the markup language by executing a print control script embedded in the web page through the web browser. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A non-transitory computer readable medium storing a program that, when executed by a printer connectable to a POS terminal configured to receive, from a server, a web page through a web browser, causes a computer to execute steps including:
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receiving, based on HTTP, print data written in a markup language; obtaining, from the print data written in the markup language, image data and attributes that include a color mode and an image size; and generating, based on the print data written in the markup language, an image print command according to the color mode, without a printer driver, when a data size of the image data equals a product of (i) the data size per pixel corresponding to the color mode and (ii) the image size, wherein the POS terminal generates the print data written in the markup language by executing a print control script embedded in the web page through the web browser.
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Specification