| CPC G06F 3/1256 (2013.01) [G06F 3/1208 (2013.01); G06F 3/1242 (2013.01); G06F 3/1293 (2013.01)] | 15 Claims |

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1. A non-transitory computer-readable storage medium storing computer-readable instructions that are executable by a computer of an information processing device and conform to a printer connected with the information processing device, the instructions realizing a support program that supports a general-purpose print program incorporated in advance in an operating system of the information processing device and configured to execute driverless printing in cooperation with the support program, the instructions of the support program being configured to, when executed by the computer, cause the information processing device to:
when the support program receives a first execution instruction from the general-purpose print program before a print instruction is output from an application program incorporated in the information processing device to the general-purpose print program, obtain, from an external device connected with the information processing device, an image for composition that is registered in the external device, and specify the obtained image for composition as an image for composition to be used for combining with a target image to be printed;
after specifying the image for composition, in response to the print instruction being output from the application program to the general-purpose print program, receive a second execution instruction from the general-purpose print program; and
in response to receiving the second execution instruction, when print settings corresponding to the print instruction include a particular setting for the printer to print a composite image, cause a user interface of the information processing device to display the composite image in which the target image to be printed according to the received second execution instruction is combined with the specified image for composition obtained from the external device, before performing a printing process to cause the printer to print the composite image displayed on the user interface.
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