JP2018056824A - Image processing device, image processing system, display control method, and program - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an image processing device capable of reliably performing preview display of a content equivalent to a matter obtained as a result of executing execution data.SOLUTION: An MFP 104 acquires from a server 103 a server generation image generated on the basis of print data 102 and bibliographic information 411 which manages the specification of the print data 102 indicated by the server generation image. When the bibliographic information 411 does not correspond to apparatus information 412 indicating the specification of the MFP 104, the MFP 104 processes the server generation image on the basis of the apparatus information 412 and displays a processed image as the preview image of the print data 102.SELECTED DRAWING: Figure 7

Description

  The present invention relates to an image processing apparatus, an image processing system, a display control method, and a program.

  An MFP (Multi Function Printer) is known as an image processing apparatus that performs authentication printing. The MFP is connected to a server as a communication device capable of communicating with a PC or the like, and performs data communication with the server (see, for example, Patent Document 1). In the authentication print, print data for printing a plurality of pages is transmitted from the PC to the server, and the server retains the print data without immediately printing the print data. The print data includes print setting information for instructing execution of paper size, color printing, and the like, and data relating to the image of each page. The MFP acquires user information from the user's IC card and performs user authentication based on the user information. If the user authentication is successful, the MFP acquires print data corresponding to the user information from the server and prints the print data.

  The MFP can execute a preview display of a print result obtained by executing the print data in accordance with a user instruction before starting execution of the print data, and the print data can be displayed as a preview display of the print result. Display a preview image of each page. Normally, an MFP generates a preview image based on print setting information. However, if the print data includes complicated contents, a lot of time and resources may be required to analyze the print data. In this case, it takes more time than necessary until the preview image is displayed after receiving the user's instruction. In contrast, a technique has been proposed in which a server generates a preview image of each page of print data based on print setting information while the print data is retained. As a result, when the MFP acquires print data from the server, the MFP acquires the preview image generated by the server, and can immediately execute the preview display of the print result without performing the preview image generation processing. Become.

JP 2014-232285 A

  However, the server generates a preview image based on the print setting information without depending on the specification of the MFP. Therefore, a preview image for color printing for a specification that the MFP does not support, for example, an MFP that can execute only monochrome printing. May be generated. That is, in the conventional MFP, when the print setting information of the print data does not correspond to the specification of the MFP, the preview corresponding to the print result obtained by executing the print data by the MFP cannot be displayed.

  An object of the present invention is to provide an image processing apparatus, an image processing system, a display control method, and a program capable of reliably displaying a preview corresponding to a result obtained by executing execution data. .

  In order to achieve the above object, an image processing apparatus of the present invention is an image processing apparatus that displays a preview of a result obtained by executing execution data retained by a communication device, and is based on the execution data. An acquisition unit that acquires the generated preview image and bibliographic information that manages the specifications of the execution data indicated by the preview image from the communication device, a storage unit that stores device information indicating the specifications of the image processing device, and the bibliography Determining means for determining whether information corresponds to the device information; and processing means for processing a preview image of the execution data based on the device information when the bibliographic information does not correspond to the device information; And a preview display means for displaying a preview of the result based on the processed preview image.

  According to the present invention, it is possible to reliably perform preview display of content corresponding to a result obtained by executing execution data.

1 is a block diagram schematically showing a configuration of an image processing system including an MFP as an image processing apparatus according to an embodiment of the present invention. FIG. 2 is a block diagram schematically showing a configuration of the MFP in FIG. 1. It is a figure which shows an example of the screen displayed on the display part of FIG. FIG. 2 is a block diagram schematically showing a configuration of a control module that is a software module of the MFP of FIG. 1. FIG. 2 is a diagram illustrating an example of bibliographic information transmitted from the server of FIG. 1 to the MFP. 3 is a flowchart illustrating a preview image display process performed by the MFP of FIG. 1. It is a flowchart which shows the procedure of the process discrimination | determination process of step S606 of FIG. It is a figure for demonstrating the process of the preview image in this Embodiment. It is a flowchart which shows the procedure of the modification of the process discrimination | determination process of FIG. It is a figure which shows an example of the warning message displayed on the display part of FIG.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

  In this embodiment, the case where the present invention is applied to an MFP as an image processing apparatus will be described, but the application destination of the present invention is not limited to the MFP. For example, the present invention can be applied to any image processing apparatus that can execute a preview display of a printed product such as an LBP (Laser Beam Printer) or an SFP (Single Function Printer).

  FIG. 1 is a block diagram schematically showing a configuration of an image processing system 100 including an MFP 104 as an image processing apparatus according to an embodiment of the present invention.

  In FIG. 1, the image processing system 100 includes a PC 101, a server 103, and an MFP 104, and the PC 101, server 103, and MFP 104 are connected via a network 105.

  When performing authentication printing, the PC 101 transmits print data, for example, print data 102 (execution data) for printing a plurality of pages, to the server 103. The print data 102 is composed of PDL (Page Description Language). The print data 102 includes user information for specifying a user who has instructed transmission of the print data 102, print setting information for instructing execution of one of paper size and color printing / monochrome printing, and data relating to an image of each page. Including.

  When the server 103 receives the print data 102 from the PC 101, the server 103 manages the print setting information of the print data 102 using bibliographic information 411 in FIG. The server 103 has an image processing function, and generates a preview image of each page of the print data 102. The preview image is an image dedicated to preview display and is not used for printing or the like. The server 103 generates a preview image of a part of the print data 102, for example, the number of pages that the resource of the server 103 is not constrained and can reduce the load of the preview image generation processing in the MFP 104. In this embodiment, as an example, it is assumed that the server 103 generates preview images for four pages from the first page to the fourth page. The server 103 stores a preview image (hereinafter referred to as “server-generated image”) of each page generated by the server 103 in association with the print data 102, and manages the server-generated image with bibliographic information 411 described later. To do. In addition, when the server 103 receives a request notification of the print data 102 from the MFP 104, the server 103 transmits the print data 102 and bibliographic information 411 described later to the MFP 104 in response to the request notification.

  The MFP 104 reads user information from the user's IC card and performs user authentication based on the user information. When the user authentication is successful, the MFP 104 transmits a request notification of the print data 102 corresponding to the user information to the server, and acquires the desired print data 102 and bibliographic information 411 described later from the server 103. Further, the MFP 104 can acquire a server-generated image of a desired page from the server 103 based on bibliographic information 411 described later.

  FIG. 2 is a block diagram schematically showing the configuration of the MFP 104 of FIG.

  In FIG. 2, the MFP 104 includes a controller 201, a card reader 214, a printer engine 215, and a display unit 216. The controller 201 is connected to the card reader 214, the printer engine 215, and the display unit 216, respectively. The controller 201 includes a CPU 202, a ROM 203, a RAM 204, a network I / F 208, a display unit I / F 209, a storage device I / F 210, an HDD 211, a card reader I / F 212, and a video I / F 213. The CPU 202, ROM 203, RAM 204, network I / F 208, display unit I / F 209, storage device I / F 210, card reader I / F 212, and video I / F 213 are connected to each other via a system bus 217. The HDD 211 is connected to the storage device I / F 210.

  The controller 201 comprehensively controls the entire MFP 104. The CPU 202 executes a program stored in the ROM 203 and performs each process of the control module 401 shown in FIG. The ROM 203 stores programs executed by the CPU 202, setting data, and the like. A RAM 204 is a volatile memory that can hold data while power is supplied to the MFP 104. The RAM 204 includes a drawing memory 205, a rendering buffer 206, and a work memory 207. The drawing memory 205 is a memory that temporarily stores drawing objects generated based on the analysis result of the print data 102. The rendering buffer 206 is a memory allocated as a storage area for each data generated in the rendering process of the drawing object and the image data generation process of each page. A work memory 207 is a memory allocated as a load area for each program loaded from the HDD 211 and a heap area that is a work area of the CPU 202.

  The network I / F 208 performs data communication with the PC 101 and the server 103 connected via the network 105, the display unit I / F 209 performs data communication with the display unit 216, and the storage device I / F 210 performs data communication with the HDD 211. . The HDD 211 stores programs and data. For example, the HDD 211 stores the print data 102 received from the server 103 and bibliographic information 411 described later. The card reader I / F 212 performs data communication with the card reader 214, and the video I / F 213 performs data communication with the printer engine 215.

  The card reader 214 acquires user information from the IC card held over the card reader 214 by the user, and transmits the acquired user information to the CPU 202. Thereby, the CPU 202 performs user authentication based on the user information. The printer engine 215 renders image data for printing from the print data 102 and prints on a sheet based on the image data for printing.

  The display unit 216 displays information related to a job executed by the MFP 104, for example, the setting screen 300 in FIG. 3A for instructing to start printing of print data retained in the server 103. The setting screen 300 includes list information 301, a print start button 302, and an image display button 303. The list information 301 displays information about each print data corresponding to the user information that has been successfully authenticated (hereinafter referred to as “print data related information”). The print data related information includes a print data name, information indicating either color printing / monochrome printing, a paper size, the number of printed sheets, and the like. A print start button 302 is an operation button for instructing execution of print data indicated by print data related information selected from print data related information displayed in the list information 301. An image display button 303 is an operation button for instructing execution of a preview display of print data indicated by the selected print data related information among the print data related information displayed in the list information 301.

  For example, when the user selects the print data related information indicating the print data 102 and the image display button 303 on the setting screen 300, the preview screen 304 in FIG. 3B is displayed on the display unit 216. The preview screen 304 includes a preview image 305, operation buttons 306 to 308, and an input field 309. A preview image 305 is a preview image of the page number input in the input field 309 in the print data 102. The operation buttons 306 and 307 are operation buttons for enlarging and reducing the preview image, and the operation button 308 is an operation button for displaying a preview image having a page number different from the displayed preview image. An input field 309 is an input field for inputting a desired page number.

  FIG. 4 is a block diagram schematically showing the configuration of the control module 401, which is a software module of the MFP 104 in FIG.

  4, the control module 401 includes a print job management module 402, a print data analysis module 403, a page image generation module 404, and an engine control module 405. The control module 401 includes a UI control module 406, an authentication management module 407, a data input / output module 408, an image processing module 409, and a configuration information management module 410. Each process of the control module 401 is performed by the CPU 202 executing a program stored in the ROM 203.

  A control module 401 controls each process executed by the MFP 104. A print job management module 402 manages the print data 102. The print job management module 402 stores the print data 102 received from the server 103 in the HDD 211. The print job management module 402 instructs the page image generation module 404 to generate a preview image for each page of the print data 102. In the present embodiment, for example, when the print data of the sixth page and the preview images from the first page to the fourth page are acquired from the server 103, the print job management module 402 sends the page image generation module 404 to the fifth page and subsequent pages. Instructs generation of a preview image. The print job management module 402 requests the print data analysis module 403 to analyze the print data 102.

  The print data analysis module 403 analyzes the print data 102 to acquire print setting information of the print data 102 and notifies the print job management module 402 of the print setting information. The page image generation module 404 generates a preview image of each page of the print data 102 at a resolution suitable for the display unit 216, for example, 76 dpi. The engine control module 405 generates image data for each page for printing based on the print data 102, and transmits the generated image data to the printer engine 215. The UI control module 406 performs display control of the display unit 216. The authentication management module 407 performs user authentication by collating information for identifying a user registered in advance and user information read by the card reader 214.

  The data input / output module 408 controls data communication with the PC 101 and the server 103. In this embodiment, the data input / output module 408 receives the print data 102 and bibliographic information 411 transmitted from the server 103. The received print data 102 and bibliographic information 411 are stored in the HDD 211. The bibliographic information 411 is generated by the server 103 and manages print data for each user in the order in which the server 103 receives the print data 102 from the PC 101. The bibliographic information 411 manages the specifications of print data indicated by the server-generated image. The bibliographic information 411 includes header information 501, attribute information 502, and preview image information 503 as shown in FIG. In the header information 501, a user ID for identifying a user, the number of print data managed by the bibliographic information 411, and the like are set. In the attribute information 502, information indicating a print data name, a print data storage location, information indicating whether color printing or monochrome printing is set based on print setting information of the print data. In the preview image information 503, the specification of print data indicated by the server-generated image is set. Specifically, the print data specification indicated by the server-generated image includes information indicating the storage location of the server-generated image, information indicating whether the server-generated image is color or monochrome, and print data 102 indicated by the server-generated image. Paper size information. In other words, in this embodiment, the MFP 104 can acquire the specifications of the print data indicated by the server-generated image from the bibliographic information 411 without analyzing the print data and server-generated image that require a lot of time and resources. is there.

  The image processing module 409 performs processing of the server-generated image. The configuration information management module 410 manages device information 412 indicating the specifications of the MFP 104. The device information 412 includes a list of paper sizes that can be supported by the MFP 104 (hereinafter referred to as “supported paper size information”), information indicating the standard paper size of the MFP 104, and information indicating whether the MFP 104 supports color printing. , And print specifications of the MFP 104.

  FIG. 6 is a flowchart showing the procedure of the preview display process executed by MFP 104 in FIG.

  The processing in FIG. 6 is performed by the CPU 202 executing a program stored in the ROM 203. 6 is premised on that the MFP 104 has acquired at least the bibliographic information 411 from the server 103.

  In FIG. 6, first, the CPU 202 determines whether or not a preview display instruction from the user has been detected (step S601). In step S601, for example, when input in the input field 309 or selection of the image display button 303 and the operation button 308 is detected, the CPU 202 determines that a preview display instruction from the user has been detected. On the other hand, when none of the operations of the image display button 303, the operation button 308, and the input field 309 is detected, the CPU 202 determines that the preview display instruction from the user is not detected. When a preview display instruction from the user is detected (YES in step S601), the CPU 202 determines whether or not the page number for which display is instructed (hereinafter referred to as “display instruction page”) corresponds to the page number of the server-generated image. The determination is made based on the bibliographic information 411. Specifically, the CPU 202 determines whether or not the display instruction page is included in “1 page to 4 pages” (step S602).

  As a result of the determination in step S602, when the display instruction page is included in “1 page to 4 pages”, the CPU 202 transmits a request notification for the server-generated image of the display instruction page to the server 103 (step S603). Next, the CPU 202 acquires the server-generated image transmitted from the server 103 in response to the request notification (step S604), and stores the server-generated image in the HDD 211. Next, the CPU 202 acquires the device information 412 (step S605), executes a processing determination process of FIG. 7 described later (step S606), and if the bibliographic information 411 does not correspond to the device information 412, the server is based on the device information 412. The generated image is processed. Next, the CPU 202 performs processing after step S610 described later.

  As a result of the determination in step S602, when the display instruction page is not included in “1 page to 4 pages”, the CPU 202 determines whether or not the print data 102 of the display instruction page has not been acquired (step S607).

  As a result of the determination in step S607, when the print data 102 of the display instruction page has been acquired, the CPU 202 performs a process in step S609 described later. On the other hand, as a result of the determination in step S607, if the print data 102 for the display instruction page has not been acquired, the CPU 202 transmits a request notification for the print data 102 for the display instruction page to the server 103 (step S608). Thereafter, the CPU 202 acquires the print data 102 of the display instruction page transmitted from the server 103 in response to the request notification. Next, the CPU 202 generates a preview image based on the print data 102 of the display instruction page (step S609), executes a preview display of the print data 102 (step S610), and ends this process.

  FIG. 7 is a flowchart showing the procedure of the process determination process in step S606 of FIG.

  In FIG. 7, first, the CPU 202 acquires corresponding paper size information from the device information 412 (step S701), and further acquires the standard paper size of the MFP 104 from the device information 412 (step S702). Next, the CPU 202 acquires the paper size indicated by the server-generated image of the display instruction page (hereinafter simply referred to as “paper size of the display instruction page”) from the preview image information 503 of the bibliographic information 411. Thereafter, the CPU 202 determines whether or not the paper size of the display instruction page is included in the corresponding paper size information (step S703).

  As a result of the determination in step S703, when the paper size of the display instruction page is included in the corresponding paper size information, the CPU 202 performs processing from step S707 described later. On the other hand, as a result of the determination in step S703, when the paper size of the display instruction page is not included in the corresponding paper size information, the CPU 202 instructs the image processing module 409 to process the server-generated image of the display instruction page into the standard paper size of the MFP 104. I do. That is, in this embodiment, when the bibliographic information 411 does not correspond to the device information 412, the server-generated image is processed based on the device information 412. Thereafter, the CPU 202 determines whether or not the display instruction page print data 102 is configured in a predetermined language specification (step S704). In step S704, for example, when the print data 102 of the display instruction page is configured with a language specification corresponding to the Fit to Page function for scaling the print contents of the print data 102 according to the paper size of the print data 102. The CPU 202 determines that the print data 102 of the display instruction page is configured with a predetermined language specification. On the other hand, when the print data 102 of the display instruction page is not configured with a language specification corresponding to the Fit to Page function, the CPU 202 determines that the print data 102 of the display instruction page is not configured with a predetermined language specification.

  As a result of the determination in step S704, when the print data 102 of the display instruction page is configured with a predetermined language specification, the CPU 202 processes the size of the server-generated image of the display instruction page. Specifically, the CPU 202 calculates a scaling factor from the paper size of the display instruction page and the standard paper size of the MFP 104, and performs scaling processing on the server-generated image based on the scaling factor (step S705). Thereby, for example, the server-generated image 801 in FIG. 8A showing the A3 size is reduced to the preview image 802 in FIG. 8B showing the A4 size. Next, the CPU 202 performs processing after step S707 described later.

  As a result of the determination in step S704, when the print data 102 of the display instruction page is not configured with a predetermined language specification, the CPU 202 processes the frame of the server-generated image (step S706). Specifically, the CPU 202 changes only the frame size of the server-generated image to a size corresponding to the standard paper size without changing the size of the drawing content such as characters included in the server-generated image. As a result, the CPU 202 cuts out, for example, the server-generated image 801 based on the printing specification of the MFP 104 in the device information 412 with the standard paper size based on the upper left vertex 803 in the server-generated image 801 as shown in FIG. The preview image 804 of (c) is processed. Next, the CPU 202 determines whether the MFP 104 supports color printing based on the device information 412 (step S707).

  As a result of the determination in step S707, when the MFP 104 supports color printing, the CPU 202 performs the processing after step S610 described above. On the other hand, if the MFP 104 does not support color printing as a result of the determination in step S707, the CPU 202 determines whether the server-generated image of the display instruction page is color or monochrome based on the bibliographic information 411 (step S708).

  As a result of the determination in step S708, when the server-generated image on the display instruction page is monochrome, the CPU 202 performs the processing from step S610 described above. On the other hand, if the result of determination in step S708 is that the server-generated image on the display instruction page is in color, the CPU 202 processes the color of the server-generated image on the display instruction page. Specifically, the CPU 202 converts the server-generated image of the display instruction page to gray scale (step S709), and performs the processing from step S610 described above. Thus, in step S610, when the bibliographic information 411 does not correspond to the device information 412, a preview image (hereinafter simply referred to as “processed image”) in which the paper size and color are processed to specifications corresponding to the MFP 104 is displayed on the display unit 216. Is displayed.

  6 and 7 described above, when the bibliographic information 411 does not correspond to the device information 412, the server-generated image is processed based on the device information 412, and the processed image is displayed. As a result, the preview display of the content corresponding to the print result obtained by the MFP 104 executing the print data 102 can be reliably performed.

  6 and 7, the device information 412 includes information indicating whether or not the MFP 104 supports color printing. Accordingly, the content different from the print result obtained by executing the print data 102 such that the color preview image is displayed as a preview display of the print result obtained by the MFP 104 that does not support color printing executing the print data 102. The situation where the preview display is performed can be avoided.

  Further, in the processing of FIGS. 6 and 7 described above, the device information 412 includes the paper size information corresponding to the MFP 104. As a result, a preview image of one paper size is displayed as a preview display of a print result obtained by executing the print data 102 by the MFP 104 that does not support one paper size, and a situation in which the user is confused can be avoided. .

  As described above, the present invention has been described using the above-described embodiment, but the present invention is not limited to the above-described embodiment.

  For example, when a server-generated image is processed, a warning notification indicating that the server-generated image has been processed may be displayed on the display unit 216.

  FIG. 9 is a flowchart showing a procedure of a modified example of the processing determination process of FIG.

  The processing of FIG. 9 is performed by the CPU 202 executing a program stored in the ROM 203.

  In FIG. 9, first, the CPU 202 performs the processes of steps S701 to S703 described above.

  As a result of the determination in step S703, when the paper size of the display instruction page is included in the corresponding paper size information, the CPU 202 performs the processing from step S707 onward. On the other hand, as a result of the determination in step S703, when the paper size of the display instruction page is not included in the corresponding paper size information, the CPU 202 performs the process of step S704.

  As a result of the determination in step S704, when the print data 102 of the display instruction page is configured with a predetermined language specification, the CPU 202 performs a process in step S705 and performs a process in step S901 described later. On the other hand, as a result of the determination in step S704, when the print data 102 of the display instruction page is not configured with a predetermined language specification, the CPU 202 performs a process in step S706. Next, the CPU 202 adds a warning message indicating that the server-generated image has been processed to the processed image (step S901). Thereby, as shown in FIG. 10, in addition to the processed image 1000, a warning message 1001 indicating that the server-generated image has been processed is displayed on the display unit 216. Next, the CPU 202 performs the processes of steps S707 to S709 described above. Next, the CPU 202 adds a warning message indicating that the server-generated image has been converted to grayscale to the processed image (step S902), and ends this processing.

  In the process of FIG. 9 described above, when a server-generated image is processed based on the device information 412, a warning message 1001 indicating that the server-generated image has been processed is displayed. Accordingly, it is possible to notify the user that the specification of the print data 102 does not correspond to the MFP 104, thereby giving the user an opportunity to realize that a desired print result cannot be obtained based on the print data. Can do.

  In the present embodiment described above, the server 103 may be provided with at least each component of the MFP 104 shown in FIGS.

  Further, in the present embodiment described above, the server 103 may process the server-generated image. For example, when the server 103 receives a server-generated image request notification from the MFP 104, the server 103 further acquires device information 412 of the MFP 104 from the MFP 104. Next, when the bibliographic information 411 does not correspond to the device information 412, the server 103 processes the server-generated image based on the device information 412, and transmits the processed image to the MFP 104. As a result, the MFP 104 can reliably acquire a preview image of the specification supported by the MFP 104 from the server 103. In addition, when the image processing resources of the MFP 104 are insufficient, the load of the preview image processing on the MFP 104 can be reduced.

  Further, in the present embodiment described above, the server 103 may transmit a server-generated image to which the bibliographic information 411 is added to the MFP 104. Thereby, it is possible to easily associate the bibliographic information 411 with the server-generated image.

  The present invention supplies a program that realizes one or more functions of the above-described embodiments to a system or apparatus via a network or a storage medium, and one or more processors in a computer of the system or apparatus read the program. It can also be realized by processing to be executed. The present invention can also be realized by a circuit (for example, ASIC) that realizes one or more functions.

100 image processing system 103 server 104 MFP
208 Network I / F
408 Data input / output module 409 Image processing module 411 Bibliographic information 412 Device information

Claims (10)

An image processing apparatus that displays a preview of a result obtained by executing execution data retained in a communication device,
Obtaining means for obtaining from the communication device bibliographic information for managing a preview image generated based on the execution data and a specification of the execution data indicated by the preview image;
Storage means for storing device information indicating the specifications of the image processing apparatus;
Determining means for determining whether or not the bibliographic information corresponds to the device information;
If the bibliographic information does not correspond to the device information, processing means for processing a preview image of the execution data based on the device information;
An image processing apparatus comprising: a preview display unit configured to display a preview of the result based on the processed preview image.   The image processing apparatus according to claim 1, wherein the device information includes information indicating whether the image processing apparatus supports color printing.   The image processing apparatus according to claim 1, wherein the device information includes information indicating a paper size corresponding to the image processing apparatus.   4. When the preview image is processed based on the device information, the preview display means displays a warning notification indicating that the preview image has been processed. The image processing apparatus according to item. An image processing system for displaying a preview of a result obtained by executing execution data retained by a communication device by an image processing device,
Obtaining means for obtaining from the communication device bibliographic information for managing a preview image generated based on the execution data and a specification of the execution data indicated by the preview image;
Storage means for storing device information indicating the specifications of the image processing apparatus;
Determining means for determining whether or not the bibliographic information corresponds to the device information;
If the bibliographic information does not correspond to the device information, processing means for processing a preview image of the execution data based on the device information;
An image processing system comprising: preview display means for displaying a preview of the result based on the processed preview image.   6. The image processing system according to claim 5, wherein the device information includes information indicating whether the image processing apparatus supports color printing.   The image processing system according to claim 5, wherein the device information includes information indicating a paper size corresponding to the image processing apparatus.   The preview display unit displays a warning notification indicating that the preview image has been processed when the preview image is processed based on the device information. The image processing system according to item. A display control method for performing a preview display of a result obtained by executing execution data retained by a communication device by an image processing device,
An acquisition step of acquiring from the communication device bibliographic information for managing a preview image generated based on the execution data and a specification of the execution data indicated by the preview image;
A storage step of storing device information indicating specifications of the image processing device;
A determination step of determining whether the bibliographic information corresponds to the device information;
If the bibliographic information does not correspond to the device information, a processing step of processing a preview image of the execution data based on the device information;
A display control method comprising: a preview display step for performing a preview display of the result based on the processed preview image. A program for causing a computer to execute a display control method for displaying a preview of a result obtained by executing execution data retained in a communication device by an image processing device,
The display control method includes:
An acquisition step of acquiring from the communication device bibliographic information for managing a preview image generated based on the execution data and a specification of the execution data indicated by the preview image;
A storage step of storing device information indicating specifications of the image processing device;
A determination step of determining whether the bibliographic information corresponds to the device information;
If the bibliographic information does not correspond to the device information, a processing step of processing a preview image of the execution data based on the device information;
And a preview display step for performing a preview display of the result based on the processed preview image.

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