JP2014110027A - Display control device, display control method, and program - Google Patents

Display control device, display control method, and program Download PDF

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JP2014110027A
JP2014110027A JP2012265711A JP2012265711A JP2014110027A JP 2014110027 A JP2014110027 A JP 2014110027A JP 2012265711 A JP2012265711 A JP 2012265711A JP 2012265711 A JP2012265711 A JP 2012265711A JP 2014110027 A JP2014110027 A JP 2014110027A
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display
data
window
index
display data
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JP6127480B2 (en
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Masashi Uyama
政志 宇山
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Fujitsu Ltd
富士通株式会社
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Abstract

A screen display that does not give a user a sense of incongruity is performed.
A display control device includes a display data storage unit and a display control unit, and displays display data in units of pages in a plurality of display areas. The display data storage unit stores display data generated based on a plurality of designated page data in a document in a plurality of storage areas. The display control unit combines the update of the designation of the page data, which is the generation source of the display data, and the designation update of the storage area where the display data to be displayed in each of the plurality of display areas is stored in the plurality of display areas. On the other hand, display according to the operation is performed.
[Selection] Figure 1

Description

  The present invention relates to a display control device, a display control method, and a program.

  The data mounting format of how the computer expands or holds data on the memory is called a data structure, and document data consisting of a plurality of pages has a sequential structure as a data structure.

  For example, document data consisting of a plurality of pages that are assigned serial numbers like books or are assigned consecutive dates like schedule books have a sequential structure. Note that data having such a data structure is mounted on a computer using an array, a linear list, or the like.

  Document data composed of a plurality of pages as described above is often displayed on a display using a plurality of windows. When multiple pages are used to display pages that are the same as the number of windows, the user can refer to multiple pages at once, which is more convenient than when using a single window. Is expensive.

  Furthermore, by introducing a page turning operation that updates the display pages of a plurality of windows in a single operation, the user can quickly read the pages. When turning a page on the display, a page turning button, a trackball or a flick operation is used.

  As a conventional technique that realizes a page turning operation for a plurality of windows, for example, a technique has been proposed in which an image is displayed on two display screens, and an image on a subsequent page is displayed in a two-page spread when the page is turned. In addition, a technique has been proposed in which an image displayed in one window is fixed and a page is turned and displayed in the other window.

  Further, a technique has been proposed in which not only continuous pages but also pages that are separated from each other are displayed in two windows, and the pages are displayed one page at a time in conjunction with the two windows when turning pages.

  Furthermore, a page with data having a sequential structure is displayed on the first screen, and a processing result obtained by performing function processing on the page displayed on the first screen is displayed on the second screen. At the time of turning, a technique has been proposed in which the next page of sequential data is displayed on the first screen, and the function processing result for the next page is displayed on the second screen.

JP 2004-139399 A Special table 2009-508230 gazette JP 2008-76667 A JP 2011-203983 A

However, conventionally, the correspondence between a plurality of windows and an image to be displayed in each window may be lost.
For example, when a screen operation such as turning a page is performed after some processing is performed on an image to be displayed in a window, the correspondence between a plurality of windows and the image to be displayed in each window may be lost. is there. As described above, if the correspondence between the plurality of windows and the images to be displayed in the windows is lost, the user feels uncomfortable in the screen display.

  In one aspect, the present invention provides a display control device, a display control method, and a program for performing screen display that maintains a good correspondence between a plurality of windows and images to be displayed in the windows and does not give the user a sense of incongruity. The purpose is to provide.

  In one proposal, a display control device that displays display data in units of pages in a plurality of display areas is provided. A display control device includes a display data storage unit having a plurality of storage areas for storing display data generated based on a plurality of specified page data in a document, and specification of page data from which display data is generated. A display control unit that performs a display corresponding to an operation on the plurality of display areas by combining the update and a designated update of a storage area in which display data to be displayed in each of the plurality of display areas is stored.

  According to one aspect, it is possible to perform screen display that does not give the user a sense of incongruity.

It is a figure which shows the structural example of a display control apparatus. It is a figure which shows the example of a display by several windows. It is a figure which shows the example of a display at the time of performing display data processing. It is a figure which shows the example of a display when a page turning process is performed. It is a figure which shows clip operation. It is a figure which shows the example of a display when a clip is designated and a page turning process is performed. It is a figure which shows the structural example of a display control apparatus. It is a figure which shows the structural example of the display original data storage area. It is a figure which shows the structural example of a display data storage area. It is a figure which shows the structural example of a correspondence management table. It is a figure which shows the structural example of a relationship definition table. It is a flowchart which shows the operation | movement of the window display based on the registration content of a corresponding | compatible management table. It is a figure for demonstrating a pre-press process. It is a figure for demonstrating back pushing process. It is a figure for demonstrating a front extraction process. It is a figure for demonstrating a back extraction process. It is a flowchart which shows operation | movement of an event process part. It is a flowchart which shows the operation | movement of a data initialization process. It is a flowchart which shows the operation | movement of the next page turning process. It is a flowchart which shows the operation | movement of a previous page turning process. It is a flowchart which shows operation | movement of a selection mode process. It is a flowchart which shows the operation | movement of the pre-pressing process in case a selection window exists. It is a figure which shows the example of the pre-pressing process in case a selection window exists. It is a flowchart which shows the operation | movement of a back pushing process in case a selection window exists. It is a figure which shows the example of a back pushing process in case a selection window exists. It is a flowchart which shows the operation | movement of the pre-drawing process in case a selection window exists. It is a figure which shows the example of the pre-drawing process in case a selection window exists. It is a flowchart which shows the operation | movement of a back extraction process in case a selection window exists. It is a figure which shows the example of a back extraction process in case a selection window exists. It is a flowchart which shows the operation | movement of a display data processing process. It is a flowchart which shows the operation | movement of an expansion / contraction process. It is a flowchart which shows the operation | movement of a starting point expansion-contraction process. It is a flowchart which shows the operation | movement of a relationship application process. It is a flowchart which shows the operation | movement of a relationship restoration process. It is a figure which shows a window display. It is a figure which shows the setting state of the various data relevant to a window display. It is a figure which shows a window display. It is a figure which shows the setting state of the various data relevant to a window display. It is a figure which shows a window display. It is a figure which shows the setting state of the various data relevant to a window display. It is a figure which shows a window display. It is a figure which shows the setting state of the various data relevant to a window display. It is a figure which shows a window display. It is a figure which shows a window display. It is a figure which shows the setting state of the various data relevant to a window display. It is a figure which shows a window display. It is a figure which shows the setting state of the various data relevant to a window display. It is a figure which shows a window display. It is a figure which shows a window display. It is a figure which shows the setting state of the various data relevant to a window display. It is a flowchart which shows the operation | movement of the pre-drawing process in case a selection window exists. It is a flowchart which shows the operation | movement of a back extraction process in case a selection window exists. It is a flowchart which shows the operation | movement of an expansion / contraction process. It is a flowchart which shows the operation | movement of an expansion / contraction process. It is a figure which shows a window display. It is a figure which shows the setting state of the various data relevant to a window display. It is a figure which shows a window display. It is a figure which shows the setting state of the various data relevant to a window display. It is a figure which shows a window display. It is a figure which shows the setting state of the various data relevant to a window display. It is a figure which shows a window display. It is a figure which shows a window display. It is a figure which shows the structural example in the case of performing display control between several apparatuses. It is a figure which shows one structural example of the hardware of the computer used for this Embodiment.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a diagram illustrating a configuration example of a display control apparatus. The display control device 1 includes a display data storage unit 1a and a display control unit 1b, and is a device that displays display data in units of pages in a plurality of display areas.

  The display data storage unit 1a has a plurality of storage areas for storing display data generated based on a plurality of specified page data in a document. For example, in the display data storage unit 1a, an index for specifying display data is assigned to the storage area. The index is, for example, an integer (sequence) of continuous values. The display control unit 1b combines the update of the designation of page data, which is the generation source of display data, and the designation update of the storage area in which display data to be displayed in each of the plurality of display areas is stored. Is displayed according to the operation. For example, the display control unit 1b performs display control of display data in a plurality of display areas by associating a plurality of display areas with indexes.

  Here, in FIG. 1, it is assumed that the display data storage unit 1a has four storage areas and stores display data P2, P3, P4, and P5. Also, it is assumed that the display data P2, P3, P4, and P5 are specified by indexes # 1, # 2, # 3, and # 4, respectively.

When displaying display data on the display areas W 1 to W 4 , the display control unit 1 b performs display control by associating the display areas W 1 to W 4 with the indexes # 1 to # 4. For example, assume that indexes # 1, # 2, # 3, and # 4 are associated with display areas W 1 , W 2 , W 3 , and W 4, respectively.

In this case, as the screen A1, the display area W 1, displays the display data P2 specified by index # 1, in the display area W 2, the display data P3 specified by index # 2 Is displayed. The display area W 3, displays the display data P4 that is specified by the index # 3, the display area W 4, display data P5 specified by index # 4 is displayed.

On the other hand, it is assumed that the display control unit 1b associates indexes # 1, # 2, # 2, and # 4 with the display areas W 1 , W 2 , W 3 , and W 4, respectively.
In this case, as the screen A2, the display area W 1, displays the display data P2 specified by index # 1, in the display area W 2, the display data P3 specified by index # 2 Is displayed. The display area W 3, displays the display data P3 specified by index # 2, the display area W 4, display data P5 specified by index # 4 is displayed.

  As described above, the display control device 1 stores display data in a storage area to which an index for specifying display data is assigned, and associates the plurality of display areas with the index to display the display data in the plurality of display areas. Display control. As a result, the correspondence between the plurality of display areas and the images to be displayed in the respective display areas is not destroyed, and the correspondence can be kept good, so that screen display that does not give the user a sense of incongruity is performed. Is possible.

  Next, an example in which the correspondence relationship between the plurality of display areas and the image to be displayed is broken, and problems when the technique according to the present embodiment is not used will be described with reference to FIGS. To do. Hereinafter, the display area is referred to as “window” and the page is referred to as “page”.

FIG. 2 is a diagram showing a display example by a plurality of windows. In the example, four windows W 1 to W 4 are opened for one screen, and an image is displayed using the windows W 1 to W 4 .
When the image when displaying the data Pn is the data of the n-th page to the screen with the image Pn, the case of FIG. 2, the window W 1, the image P2 of the second page is displayed. Further, the window W 2, an image P3 of the third page is displayed, the window W 3, picture P4 of the fourth page is displayed, further, the window W 4, the image P5 of the fifth page is displayed Has been.

  FIG. 3 is a diagram showing a display example when the display data processing is performed. The display data processing process is a process for processing data to be displayed by performing some function processing. The processed data becomes display data displayed on the screen. Hereinafter, the page data designated as the display data generation source is referred to as display original data.

  Here, there are display original data P2, P3, P4, and P5 as display original data, and the data numbers of the display original data P2, P3, P4, and P5 are # 1, # 2, # 3, and # 4, respectively. Further, display data processing processing is performed on the display original data of data number # 2.

  Therefore, in this case, the display data processing is performed on the display original data P3 with the data number # 2. It is assumed that the display original data P3 becomes display data f (P3) by the display data processing (f (P) represents data after the processing of the function f on the display original data P).

On the other hand, when display data after display data processing is displayed on the screen, it is displayed adjacent to display data before display data processing. Thus, for example, for the window W 1 to W-4, the window W 1, the image P2 of the second page is displayed, the window W 2, an image P3 of the third page is displayed.

Further, the window W 3, picture P4 of the fourth page is not displayed, the image f of the third page after the display data processing (P3) is to be displayed adjacent to the image P2. The window W 4, image P5 of the fifth page is displayed.

  As described above, when the display data processing is performed on the display original data, the data before processing and the data after processing are displayed in the adjacent windows. Thereby, the user can compare both easily.

  For example, if the display data processing is a photo processing, the data before the photo processing and the data after the photo processing are displayed in a window adjacent to each other. The images can be easily compared.

  FIG. 4 is a diagram showing a display example when the page turning process is performed. It is assumed that page turning processing is performed on the image display state shown in FIG. Note that, as the page turning process, when the page turning for displaying the image of the (na) page is performed from the state in which the image of the nth page is displayed, the page turning process (-a) is described. To do. Here, as the page turning process, it is assumed that the page turning process (-1) for displaying the image of the (n-1) th page is performed from the state where the image of the nth page is displayed.

  In this case, the display original data P2, P3, P4, and P5 are pages obtained by subtracting one page, respectively, and become display original data P1, P2, P3, and P4. In addition, since the display data processing process is performed on the display original data with the data number # 2, the display data processing process is performed on the display original data P2 with the data number # 2.

The display original data P2 becomes display data f (P2) by the display data processing. Thus, for the window W 1 to W-4, the window W 1, an image P1 of the first page is displayed, the window W 2, the image P2 of the second page is displayed.

Further, the window W 3, an image f of the second page after the display data processing (P2) is displayed, the window W 4, picture P4 of the fourth page is displayed.
In this way, by performing the page turning process (-1) on the image display state of FIG. 3, one page is subtracted from the display image of the windows W 1 to W 4 shown in FIG. It will transition to the state.

FIG. 5 is a diagram showing a clip operation. A clip is an operation for fixedly displaying a displayed page image. When a clip is specified for a window, even if the page turning process is performed to update the display page of multiple windows, the image of the corresponding window for which the clip is specified is fixed and displayed without being turned. It becomes. Here, it is assumed that clips are designated for the windows W 3 and W 4 in the image display state shown in FIG.

FIG. 6 is a diagram showing a display example when a page is turned by specifying a clip. Assume that clips are specified for the windows W 3 and W 4 , and the page turning process (−1) is performed for the other windows W 1 and W 2 .

  By performing the page turning process (-1), the display original data P2 and P3 become pages obtained by subtracting one page, respectively, and become the display original data P1 and P2. Further, since the display original data P4 and P5 are respectively clipped, the display original data P4 and P5 remain as they are without subtracting the number of pages.

  Then, since the display data processing process is performed on the display original data with the data number # 2, the display data processing process is performed on the display original data P2 with the data number # 2. The display original data P2 becomes display data f (P2) by the display data processing.

Thus, for the window W 1 to W-4, the window W 1, an image P1 of the first page is displayed, the window W 2, the image P2 of the second page is displayed. Further, the window W 3, an image f of the second page after the display data processing (P2) is displayed, the window W 4, the image P5 of the fifth page is displayed.

Here, since the image of the window W 3 has been page clipped, the image display of the window W 3 should be originally fixed to the image f (P3) even if the page turning process is performed thereafter. However, as described above, there arises a phenomenon that the image display window W 3 that should have been excluded from the page turning processing will be replaced by a clip.

  As described above, when the technique according to the present embodiment is not used, when a window is clipped and a batch page turning operation is performed on an unclipped window, an actual window sequence and an image after the processing result are displayed. Corresponding relationship with will be broken. Therefore, there may be a contradiction between the user's screen operation and the screen display. When such a phenomenon occurs, the user feels uncomfortable and the convenience is reduced.

Further, when the technique according to the present embodiment is not used, the following items cannot be realized without contradiction, and the user may feel uncomfortable in the screen display.
(1) Continuous pages displayed in a plurality of windows are simultaneously updated by a single page turning operation.

  (2) By clipping a part of multiple windows, it is excluded from the update target by the page turning operation, and other windows are turned while the display page on the window remains fixed. Update with.

(3) By releasing the clip operation, a plurality of non-continuous pages are linked to turn the page.
(4) A result obtained by applying an arbitrary process to a page displayed in a certain window is displayed in another window.

  (5) A window displaying a page and a window displaying a processing result for the page are updated following the page turning operation, and a set of pages and processing results are sequentially linked. indicate.

  The present technology has been made in view of the above points, and maintains a good correspondence between a plurality of windows and an image to be displayed in each window, and performs a display control device that displays a screen that does not give the user a sense of incongruity. A display control method and a program are provided.

  Next, a configuration example of the display control device and an operation in the first embodiment will be described in detail below. FIG. 7 is a diagram illustrating a configuration example of the display control apparatus. The display control apparatus 10 includes a correspondence management unit 11, an event processing unit 12, a page turning processing unit 13, a display data processing unit 14, a relationship management unit 15, a display unit 16, a display original data storage area 17a, and a display data storage area 17b. , An operation reception unit 18, a document data storage unit T0, a correspondence management table T1, and a relationship definition table T2.

  The display data storage area 17b performs the function of the display data storage unit 1a in FIG. Further, the other components of the display control device 10 execute the function of the display control unit 1b in FIG.

  The correspondence management unit 11 manages the registered contents of the correspondence management table T1. Further, the correspondence management unit 11 performs display control for displaying display data on the window based on the registered contents of the correspondence management table T1.

  The event processing unit 12 assigns a process to be executed to an event that occurs in response to a user operation. The page turning processing unit 13 extracts n pieces of page data from a predefined starting point from the document data storage unit T0.

  In this case, the page turning processing unit 13 performs the next page turning process for extracting n page data by increasing the starting point or the previous page turning process for extracting n page data by decreasing the starting point. . Furthermore, the page turning processing unit 13 performs a start expansion / contraction process described later.

  The display data processing unit 14 performs processing by applying function processing or the like to the display original data. The relationship management unit 15 manages the registered contents of the relationship definition table T2, and performs relationship application processing and relationship restoration processing described later. The display unit 16 displays display data in an actual window row based on the result of display control in the correspondence management unit 11.

Details of the individual operations of the correspondence management unit 11, the event processing unit 12, the page turning processing unit 13, the display data processing unit 14, and the relationship management unit 15 will be described later.
Next, the configuration of the display original data storage area 17a, the display data storage area 17b, the correspondence management table T1, and the relationship definition table T2 will be described. FIG. 8 is a diagram showing a configuration example of the display original data storage area. The display original data storage area 17a has an area for storing display original data of n pages among the document data stored in the document data storage unit T0. The display original data stored in the display original data storage area 17a is the data of the page designated as the display data generation source.

  When the number of windows is m, m ≦ n. Each area for storing display original data is assigned an input original data number, and each data is specified by the input original data number.

  In FIG. 8, the display original data storage area 17a has four storage areas in which display original data P1 to P4 are stored. Also, the display original data P1 to P4 correspond to the input original data numbers 1 to 4, respectively.

  FIG. 9 is a diagram showing a configuration example of the display data storage area. The display data storage area 17b has an area for storing n pieces of display data. In addition, a display data index (corresponding to the index in FIG. 1) is assigned to each area for storing display data, and each data is specified by the display data index.

  In FIG. 9, the display data storage area 17b has four storage areas in which display data P1 to P4 are stored. Further, the display data P1 to P4 correspond to the display data indexes 1 to 4, respectively.

Note that the input original data number and the display data index can take integer values (..., -2, -1, 0, 1, 2,...) In the same range.
FIG. 10 is a diagram illustrating a configuration example of the correspondence management table. The correspondence management table T1 includes items of a window number (W i ) that is a window identification number and a display data index (P i ). The display data to be displayed in each of the plurality of windows is designated by the value indicated in the display data index (P i ) item. For example, the combination of window number = 1 and display data index = 1 is shown in row L1.

This is the window W 1 of the window number 1, which means that the display data display data index of the display data storage area 17b is stored in the area of P 1 is displayed.

  FIG. 11 is a diagram illustrating a configuration example of a relationship definition table. The relationship definition table T2 has items of a display data index, a processing function name, and an input original data number. The processing function name is a function name when the function processing is performed on the display original data.

  Here, a combination of display data index = 2, processing function name = f, and input original data number = 1 is shown in row L2. This indicates that the display original data stored in the area of the input original data number 1 in the display original data storage area 17a is processed by the function f. Further, it is shown that the data processed by the function f is stored in the area where the display data index of the display data storage area 17b is 2.

Note that NA (Not Applicable) in the figure indicates that the corresponding information is undefined. Further, the number of rows in the relationship definition table T2 is dynamically changed by an expansion / contraction process described later.
Next, the operation of the correspondence management unit 11 will be described. FIG. 12 is a flowchart showing the window display operation based on the registered contents of the correspondence management table.

[S71] correspondence management unit 11 refers to the management table T1 in window number W i.
[S72] The correspondence management unit 11 acquires a display data index P i corresponding to the window number W i .

[S73] Display control is performed to display the display data in the display data storage area 17b specified by the display data index P i with the window number W i . The operation of step S71~73 is performed for each window number W i.

Next, four processes, which are performed by the correspondence management unit 11, that is, a front pushing process, a back pushing process, a front drawing process, and a back drawing process are described. As a premise, the display data indexes P 1 ,..., P k ,..., P m correspond to m windows W 1 , ..., W k , ..., W m (1 <k <m).

FIG. 13 is a diagram for explaining the pre-pressing process. Before pushing process, W 1 on the corresponding management table T1, ..., the display data index corresponding to W k-1 Q, P 1 , ..., it is a process of replacing the P k-2. However, Q = P 1 -1.

First, it is assumed that display data indexes P 1 to P 4 correspond to four windows W 1 to W 4 (m = 4), and a case where k = 3 in this state is considered (hereinafter, display data). Display data on the display data storage area 17b specified by the indexes P 1 to P 4 are P1 to P4).

In this case, in the pre-pressing process, the display data indexes corresponding to W 1 and W 2 on the correspondence management table T1 are replaced with Q and P 1 . Display data index Q, if the display data on the display data storage area 17b specified by P 1 and Q, P1, as shown in FIG. 13, after the pre-push process for a window W 1, W 2 Display data Q and P1 are respectively displayed.

FIG. 14 is a diagram for explaining the back pushing process. Behind pushing process, W k + 1 on the corresponding management table T1, ..., P k + 2 the display data index corresponding to W m, ..., is a process of replacing P m, the R. However, R = P m +1.

First, it is assumed that the display data indexes P 1 to P 4 correspond to the four windows W 1 to W 4 (m = 4), and a case where k = 2 in this state is considered. In this case, in the backward pushing process, the display data indexes corresponding to W 3 and W 4 on the correspondence management table T1 are replaced with P 4 and R.

Assuming that the display data on the display data storage area 17b specified by the display data indexes P 4 and R is P4 and R, as shown in FIG. 14, in the windows W 3 and W 4 after the backward pushing process, Display data P4 and R (= P 4 +1) are respectively displayed.

FIG. 15 is a diagram for explaining the pre-drawing process. Before withdrawal process is, W 1 on the corresponding management table T1, ..., W k-1 P 2 the display data index corresponding to, ... is a process of replacing the P k-1, S. However, S = P k-1 +1 (<P k ).

First, it is assumed that the display data indexes P 1 to P 4 correspond to the four windows W 1 to W 4 (m = 4), and a case where k = 3 in this state is considered. In this case, in the pre-draw process, the display data indexes corresponding to W 1 and W 2 on the correspondence management table T1 are replaced with P 2 and S.

If the display data on the display data storage area 17b specified by the display data indexes P 2 and S is P2 and S, as shown in FIG. 15, after the pre-drawing process, the windows W 1 and W 2 have Display data P2 and S (= P 2 +1) are respectively displayed.

FIG. 16 is a diagram for explaining the back pull-out process. Behind withdrawal process is, W k + 1 on the corresponding management table T1, ..., the display data index corresponding to W m T, ..., P k + 1, ..., is a process of replacing the P m-1. However, T = P k + 1 −1 (> P k ).

First, it is assumed that the display data indexes P 1 to P 4 correspond to the four windows W 1 to W 4 (m = 4), and a case where k = 2 in this state is considered. In this case, in the back extraction process, the display data indexes corresponding to W 3 and W 4 on the correspondence management table T1 are replaced with T and P 3 .

Display data index T, if the display data on the display data storage area 17b specified by P 3 and T, P3, as shown in FIG. 16, after the back withdrawal process, the window W 3, W 4, Display data T (= P 3 −1) and P3 are respectively displayed.

  Next, the operation of the event processing unit 12 will be described. FIG. 17 is a flowchart showing the operation of the event processing unit. The event processing unit 12 is broadly divided into an allocation process when at least one window is clipped by the user and an allocation process when no window is clipped with respect to a plurality of windows. The following flow of FIG. 17 mainly shows the assignment processing when the window is not clipped.

  [S1] When the user performs an operation on the window, the event processing unit 12 recognizes the window number (event window number) in which the event has occurred and the event ID (Identifier) for identifying the event.

  [S2] The event processing unit 12 determines whether there is a window (selected window) that the user is currently clipping. If there is a selection window that is currently clipped, go to step S3, and if not, go to step S4. When a window is clipped, the event processing unit 12 holds a window number representing the currently clipped window.

[S3] The event processing unit 12 assigns a selection mode process that is a process when the window is clipped (the operation of the selection mode process will be described later with reference to FIG. 21).
[S4] The event processing unit 12 determines whether the generated event is a next page turning operation based on the event ID. If it is a next page turning operation, the process goes to step S4a. If it is not a next page turning operation, the process goes to step S5.

[S4a] The event processing unit 12 assigns the next page turning process (the operation of the next page turning process will be described later with reference to FIG. 19).
[S5] The event processing unit 12 determines whether the generated event is a previous page turning operation based on the event ID. If it is a previous page turning operation, the process goes to step S5a, and if it is not a previous page turning operation, the process goes to step S6.

[S5a] The event processing unit 12 assigns a previous page turning process (the operation of the previous page turning process will be described later with reference to FIG. 20).
[S6] The event processing unit 12 determines whether the generated event is a window selection operation (clip operation) based on the event ID. If it is a window selection operation, the process goes to step S6a.

[S6a] The event processing unit 12 sets the number of the window in which the event occurred as the selected window number.
[S7] The event processing unit 12 determines whether the generated event is a relationship application operation based on the event ID. If it is a relationship application operation, go to step S7a, and if it is not a relationship application operation, go to step S8.

[S7a] The event processing unit 12 assigns a relationship application process (the operation of the relationship application process will be described later with reference to FIG. 33).
[S8] Based on the event ID, the event processing unit 12 determines whether the generated event is a relationship restoration operation. If it is a relationship restoration operation, the process goes to step S8a, and if it is not a relationship restoration operation, the process is terminated.

[S8a] The event processing unit 12 assigns a relationship restoration process (the operation of the relationship restoration process will be described later with reference to FIG. 34).
Next, data initialization processing, next page turning processing, and previous page turning processing performed in the page turning processing unit 13 will be described.

  FIG. 18 is a flowchart showing the operation of the data initialization process. The page turning processing unit 13 reads the page data of the document from the document data storage unit T0, extracts n pieces of page data from a predefined start point, and stores it as display original data in the display original data storage area 17a. Perform data initialization processing.

[S81] The page turning processing unit 13 reads page data of document data in an array or linear list format from the document data storage unit T0.
[S82] The page turning processing unit 13 sets the start point to 1, for example.

  [S83] The page turning processing unit 13 extracts page data corresponding to the number of display original data from the set start point from the document data, and stores it as display original data in the display original data storage area 17a.

  [S84] Among the display original data stored in the display original data storage area 17a, the display data processing processing unit 14 performs display data processing on the display original data to be processed for display data.

  FIG. 19 is a flowchart showing the operation of the next page turning process. The page turning processing unit 13 increases the start point according to the user's next page turning operation, and then extracts n pieces of data from the start point from the page data, and displays the display original data storage area 17a as display original data. The next page turning process to be stored in is performed.

[S4a-1] The page turning processing unit 13 increases the starting point by one page.
[S4a-2] The page turning processing unit 13 extracts data corresponding to the number of display original data from the start point from the document data, and stores it as display original data in the display original data storage area 17a.

  [S4a-3] Among the display original data stored in the display original data storage area 17a, the display data processing processing unit 14 performs display data processing on the display original data to be processed for display data. .

  FIG. 20 is a flowchart showing the operation of the previous page turning process. The page turning processing unit 13 reduces the starting point in accordance with the user's previous page turning operation, and then extracts n pieces of data from the page data from the starting point, and displays the display original data storage area 17a as display original data. Perform the previous page turning process to be stored in.

[S5a-1] The page turning processing unit 13 decreases the starting point by one page.
[S5a-2] The page turning processing unit 13 extracts data corresponding to the number of display original data from the start point from the document data, and stores it as display original data in the display original data storage area 17a.

  [S5a-3] Among the display original data stored in the display original data storage area 17a, the display data processing unit 14 performs display data processing on the display original data to be processed for display data. .

  Next, the selection mode process in step S3 of FIG. 17 will be described. FIG. 21 is a flowchart showing the operation of the selection mode process. The following flow mainly shows assignment processing by the event processing unit 12 when at least one window is clipped by a user for a plurality of windows.

  [S3-1] The event processing unit 12 determines whether the generated event is a window selection cancellation. That is, it is determined whether or not the clip operation has been released. If the window selection is cancelled, the process goes to step S3-2.

  [S3-2] The event processing unit 12 manages the clipped window number as the selected window number. Here, the event processing unit 12 recognizes that the clip operation has been canceled, and thus clears the selected window number to zero. .

  [S3-3] The event processing unit 12 determines whether the generated event is a next page turning operation. If it is a next page turning operation, the process goes to step S3-4. If it is not a next page turning operation, the process goes to step S3-6.

  [S3-4] The event processing unit 12 determines whether the selected window number is larger than the event window number. If the selected window number is larger than the event window number, the process goes to step S30. If the selected window number is equal to the event window number, or the selected window number is smaller than the event window number, the process proceeds to step S3-5.

  [S3-5] The event processing unit 12 determines whether the selected window number is smaller than the event window number. If the selected window number is smaller than the event window number, the process goes to step S20, and if the selected window number is equal to the event window number, the process ends.

  [S3-6] The event processing unit 12 determines whether the generated event is a next page turning operation. If it is a next page turning operation, the process proceeds to step S3-7, and if it is not a next page turning operation, the process ends.

  [S3-7] The event processing unit 12 determines whether the selected window number is larger than the event window number. If the selected window number is larger than the event window number, the process goes to step S10. If the selected window number is equal to the event window number, or if the selected window number is smaller than the event window number, the process proceeds to step S3-8.

  [S3-8] The event processing unit 12 determines whether the selected window number is smaller than the event window number. If the selected window number is smaller than the event window number, the process goes to step S40, and if the selected window number is equal to the event window number, the process ends.

[S10] The event processing unit 12 assigns a pre-pressing process.
[S20] The event processing unit 12 assigns a back pushing process.
[S30] The event processing unit 12 assigns a pre-drawing process.

[S40] The event processing unit 12 assigns backdrawing processing.
[S50] The event processing unit 12 assigns expansion / contraction processing. The expansion / contraction process is a process of adding / deleting a storage area or a table row to / from the display original data storage area 17a, the display data storage area 17b, and the relationship definition table T2. The operation of the expansion / contraction process will be described later with reference to FIG.

  [S60] The event processing unit 12 assigns start point expansion / contraction processing. The start point expansion / contraction process is an increase / decrease process of the start point (start page) when document data (display data) is displayed in a plurality of windows. The operation of the start point expansion / contraction process will be described later with reference to FIG.

  Here, to summarize the above selection mode processing, the event processing unit 12 determines that when the event is a next page turning operation and the selected window number is larger than the event window number, the pre-drawing processing, the expansion / contraction processing, and the starting point are performed. Assign expansion / contraction processing.

  In addition, when the event is a next page turning operation and the selected window number is smaller than the event window number, the event processing unit 12 assigns the back pushing process, the expansion / contraction process, and the start point expansion / contraction process.

  Further, when the event is a previous page turning operation and the selected window number is larger than the event window number, the event processing unit 12 assigns the pre-pressing process, the expansion / contraction process, and the start point expansion / contraction process.

  In addition, when the event is a previous page turning operation and the selected window number is smaller than the event window number, the event processing unit 12 assigns the back drawing process, the expansion / contraction process, and the start point expansion / contraction process. If the selected window number is equal to the event window number, the event processing unit 12 ends the selection mode process.

  Next, when there is a clipped selection window, the front push-in process (step S10 in FIG. 21), the back push-in process (step S20 in FIG. 21), the front pull-out process (step S30 in FIG. 21), and the back pull-out process ( Step S40) in FIG. 21 will be described.

FIG. 22 is a flowchart showing the operation of the pre-pressing process when there is a selection window. m pieces of window W 1, ..., W k, ..., in W m (1 <k <m ), display data index P 1, ..., P k, ..., it is assumed that the P m corresponds.

[S11] correspondence management unit 11, the selection window when W k, W 2, ..., P 1 display data index corresponding to W k-1, ..., it is replaced by P k-2.
[S12] The correspondence management unit 11 replaces the display data index of the window W 1 with P 1 −1.

FIG. 23 is a diagram illustrating an example of the pre-pressing process when a selection window exists. First, it is assumed that the display data indexes P 1 to P 4 correspond to the four windows W 1 to W 4 , and the window in which the clip is selected is the selection window W 4 (k = 4). The display data on the display data storage area 17b specified by the display data indexes P 1 to P 4 are P1 to P4.

In this case, the display data indexes corresponding to the windows W 2 and W 3 are replaced with P 1 and P 2 . Also, the display data index of window W 1 is replaced with P 1 -1.
If the display data index P 1 -1, the display data on the display data storage area 17b specified by P 1, P 2 P 1 -1 , and P1, P2, as shown in FIG. 23, the window W 1 ~ Display data P 1 -1, P1, and P2 are displayed for W 3 , respectively. Window W 4 is, because it is a clip, display before and after the pre-push-in process is not changed.

For Figure 23, the pre-push process is performed, the display data P2 of the window W 2 is displayed to move to the window W 3, display data P1 window W 1 is displayed to move to the window W 2 ing. Further, display data P 1 -1 is displayed in the window W 1 .

In this way, it is assumed that the page turning operation of the windows W 1 to W 3 is performed in the direction approaching the selection window W 4 . Then, the correspondence management unit 11 performs a pre-pressing process in which the page of the image displayed in the windows W 1 to W 3 moves in this direction, and the correspondence between the window and the display image is performed. Update the relationship. Thereby, a more natural screen according to the user's screen operation can be displayed, and a screen display that does not give the user a sense of incongruity can be performed.

FIG. 24 is a flowchart showing the operation of the back pushing process when the selection window exists. m pieces of window W 1, ..., W k, ..., in W m (1 <k <m ), display data index P 1, ..., P k, ..., it is assumed that the P m corresponds.

[S21] correspondence management unit 11, the selection window when W k, W k + 1, ..., W m-1 display data index corresponding to P k + 2, · · ·, replaced by P m.
[S22] The correspondence management unit 11 replaces the display data index of the window W m with P m +1.

FIG. 25 is a diagram illustrating an example of the back pushing process when the selection window exists. First, it is assumed that the display data indexes P 1 to P 4 correspond to the four windows W 1 to W 4 , and the window in which the clip is selected is the selection window W 1 (k = 1). The display data on the display data storage area 17b specified by the display data indexes P 1 to P 4 are P1 to P4.

In this case, the display data indexes corresponding to the windows W 2 and W 3 are replaced with P 3 and P 4 . Further, the display data index of the window W 4 is replaced with P 4 +1.
Assuming that the display data on the display data storage area 17b specified by the display data indexes P 3 , P 4 and P 4 +1 is P3, P4 and P 4 +1, as shown in FIG. 25, windows W 2 to W 4 are displayed. On the other hand, display data P3, P4, and P 4 +1 are respectively displayed. Since the window W 1 is clipped, the display does not change before and after the back pushing process.

For Figure 25, the display data P3 of the window W 3 being displayed to move to the window W 2, display data P4 of the window W 4 is displayed to move to the window W 3. In addition, display data P 4 +1 is displayed in the window W 4 .

Thus, correspondence management unit 11, in a direction toward the selected window W 1, and page turning operation of the window W 2 to W-4 is performed. Then, the correspondence management unit 11 performs a back-pressing process in which the pages of the images displayed in the windows W 2 to W 4 are moved in this direction, and the correspondence between the windows and the display images is performed. Update the relationship. Thereby, a more natural screen according to the user's screen operation can be displayed, and a screen display that does not give the user a sense of incongruity can be performed.

FIG. 26 is a flowchart showing the operation of the pre-drawing process when there is a selection window. m pieces of window W 1, ..., W k, ..., in W m (1 <k <m ), display data index P 1, ..., P k, ..., it is assumed that the P m corresponds.

[S31] correspondence management unit 11, when P k-1 +1 is less than P k, go to step S32, P k-1 +1 is greater than P k, or P k-1 +1 and P k is If equal, exit.
[S32] correspondence management unit 11, the selection window when W k, W 1, ···, W k-2 P 2 the display data index corresponding to, ..., replaced with P k-1.

[S33] The correspondence management unit 11 replaces the display data index of the window W k-1 with P k-1 +1.
FIG. 27 is a diagram illustrating an example of the pre-drawing process when a selection window exists. First, it is assumed that the display data indexes P 1 to P 4 correspond to the four windows W 1 to W 4 , and the window in which the clip is selected is the selection window W 4 (k = 4). The display data on the display data storage area 17b specified by the display data indexes P 1 to P 4 are P1 to P4.

In this case, the display data indexes corresponding to the windows W 1 and W 2 are replaced with P 2 and P 3 . Further, the display data index of the window W 3 is replaced with P 3 +1.
If the display data on the display data storage area 17b specified by the display data indexes P 2 , P 3 , P 3 +1 is P2, P3, P 3 +1, as shown in FIG. 27, windows W 1 to W 3 are displayed. On the other hand, display data P2, P3, and P 3 +1 are respectively displayed. Window W 4 is, because it is clip display before and after the pre-withdrawal process is not changed.

For Figure 27, the display data P2 of the window W 2 is displayed to move to the window W 1, the display data P3 of the window W 3 being displayed to move to the window W 2. Further, display data P 3 +1 is displayed in the window W 3 .

As described above, it is assumed that the correspondence management unit 11 performs the page turning operation of the windows W 1 to W 3 in the direction away from the selection window W 4 . Then, the correspondence management unit 11 performs a back-pressing process in which the pages of the images displayed in the windows W 1 to W 3 move in this direction, and the correspondence between the windows and the display images is performed. Update the relationship. Thereby, a more natural screen according to the user's screen operation can be displayed, and a screen display that does not give the user a sense of incongruity can be performed.

FIG. 28 is a flowchart showing the operation of the back extraction process when a selection window exists. m pieces of window W 1, ..., W k, ..., in W m (1 <k <m ), display data index P 1, ..., P k, ..., it is assumed that the P m corresponds.

[S41] correspondence management unit 11, when P k + 1 -1 is greater than P k, go to step S42, P k + 1 -1 is less than P k, or the P k + 1 -1 If P k is equal, the process ends.
[S42] correspondence management unit 11, the selection window when W k, W k + 2, ..., the display data index corresponding to W m replaced by P k + 1, ···, P m-1.

[S43] The correspondence management unit 11 replaces the display data index of the window W k + 1 with P k + 1 −1.
FIG. 29 is a diagram illustrating an example of the back extraction process when a selection window exists. First, it is assumed that the display data indexes P 1 to P 4 correspond to the four windows W 1 to W 4 , and the window in which the clip is selected is the selection window W 1 (k = 1). The display data on the display data storage area 17b specified by the display data indexes P 1 to P 4 are P1 to P4.

In this case, the display data indexes corresponding to the windows W 3 and W 4 are replaced with P 2 and P 3 . Further, the display data index of the window W 2 is replaced with P 2 -1.
If the display data index P 2 -1, the display data on the display data storage area 17b specified by P 2, P 3 P 2 -1 , P2, P3 and, as shown in FIG. 29, the window W 2 ~ Display data P 2 -1, P2, and P3 are respectively displayed for W 4 . Since the window W 1 is clipped, the display does not change before and after the back pull-out process.

For Figure 29, the display data P3 of the window W 3 being displayed by moving the window W 4, display data P2 of the window W 2 is displayed to move to the window W 3. Further, display data P 2 -1 is displayed in the window W 2 .

Thus, correspondence management unit 11, in a direction away from the selection window W 1, and page turning operation of the window W 2 to W-4 is performed. Then, the correspondence management unit 11 performs a back-drawing process in which the pages of the images displayed in the windows W 2 to W 4 move in this direction, and the correspondence between the windows and the display images is performed. Update the relationship. Thereby, a more natural screen according to the user's screen operation can be displayed, and a screen display that does not give the user a sense of incongruity can be performed.

Next, the operation of display data processing in the display data processing unit 14 will be described. FIG. 30 is a flowchart showing the operation of the display data processing process.
[S101] The display data processing unit 14 acquires display original data from the display original data storage area 17a.

[S102] The display data processing unit 14 refers to the relationship definition table T2 by the display data index P i.
[S103] The display data processing unit 14 determines whether or not the processing function name Y is defined. If the processing function name Y is not defined, the process goes to step S104. If the processing function name Y is defined, the process goes to step S105.

[S104] The display data processing unit 14 stores the display original data X i in the display data storage area 17b indicated by the display data index P i .
[S105] The display data processing unit 14 determines whether or not the input original data number k is defined. If the input original data number k is not defined, the process goes to step S106. If the input original data number k is defined, the process goes to step S107.

[S106] The display data processing unit 14, to the display data being displayed in the window W i, is stored in the display data storage area 17b indicated a processing result of applying the processing function Y in the display data index P i.

[S107] The display data processing unit 14 applies the processing function corresponding to the processing function name Y to the display original data corresponding to k.
[S108] The display data processing unit 14 stores the display data storage area 17b indicated the processing result in the display data index P i. The operations in steps S101 to S108 are performed for each display data index.

  In this way, the display data processing unit 14 detects whether or not a processing function name is defined in each display data index of the relationship definition table T2. Then, if the processing function name is defined, the display data processing unit 14 stores the processing function name in the display original data storage area 17a and applies the processing function to the data corresponding to the input original data number. I do. The display data processing unit 14 stores the processing result in the display data storage area 17b as data corresponding to the display data index.

  If the processing function name is not defined, the display data processing unit 14 directly uses the data stored in the display source data storage area 17a corresponding to the input source data number as the data corresponding to the display data index. Is stored in the display data storage area 17b.

Next, the expansion / contraction process performed in the display data processing unit 14 will be described. FIG. 31 is a flowchart showing the operation of the expansion / contraction process.
[S51a] The display data processing unit 14 determines whether there has been a front push process or a back push process. If there is a front push process or a back push process, the process goes to step S52. If there is no front push process or a back push process, the process goes to step S51b.

[S52] The display data processing unit 14 sets the added display data index to X.
[S53] The display data processing unit 14 adds an area corresponding to X to the display data storage area 17b.

[S54] The display data processing unit 14 adds a row corresponding to X to the relationship definition table T2.
[S55] The display data processing unit 14 adds an area corresponding to X to the display original data storage area 17a.

  [S51b] The display data processing unit 14 determines whether there is a front drawing process or a back drawing process. If there is a front drawing process or a back drawing process, the process goes to step S56, and if there is no front drawing process or a back drawing process, the process ends.

[S56] The display data processing unit 14 sets the deleted display data index to Y.
[S57] The display data processing unit 14 deletes the area corresponding to Y in the display data storage area 17b.

[S58] The display data processing unit 14 deletes the line corresponding to Y in the relationship definition table T2, and clears the input original data number corresponding to Y in the table to be NA.
[S59] The display data processing unit 14 deletes the area corresponding to Y in the display original data storage area 17a.

As described above, the display data processing unit 14 adds the storage area of the display data storage area 17b corresponding to the display index Q (= P 1 −1) added to the correspondence management table T1 by the pre-pressing process. A line of the definition table T2 is added and a storage area of the display original data storage area 17a is added.

In addition, the display data processing unit 14 adds the storage area of the display data storage area 17b corresponding to the display index R (= P m +1) added to the correspondence management table T1 by the back push process, and the relationship definition table T2. And the storage area of the display original data storage area 17a are added.

Further, the display data processing section 14 corresponds the pre withdrawal process to the display data index P 1 that have been removed from the correspondence management table T1, deletion of the storage area of the display data storage area 17b, deleting rows relationship definition table T2 The storage area of the display original data storage area 17a is deleted.

Furthermore, the display data processing section 14 corresponds to the display data index P m deleted from correspondence management table T1 by behind withdrawal process, deletes the storage area of the display data storage area 17b, a row of relationship definition table T2 Deletion and deletion of the storage area of the display original data storage area 17a.

  Next, the start point expansion / contraction process performed by the page turning processing unit 13 will be described. FIG. 32 is a flowchart showing the operation of the start point expansion / contraction process. The page turning processing unit 13 executes a pre-pressing process, and after the storage area of the display original data storage area 17a is added by the expansion / contraction process of the display data processing unit 14, one start point is added as the start point expansion / contraction process. cut back.

  In addition, the page turning processing unit 13 executes the front drawing process, and after the storage area of the display original data storage area 17a is reduced by the expansion / contraction process of the display data processing unit 14, the starting point expansion / contraction process is started. Increase by one.

  [S61] The page turning processing unit 13 determines whether or not a pre-pressing process has been performed. If there is a pre-pressing process, go to step S62, and if there is no pre-pressing process, go to step S63.

[S62] The page turning processing unit 13 decreases the starting point by one.
[S63] The page turning processing unit 13 determines whether or not a previous drawing process has been performed. If there is a previous drawing process, the process goes to step S64, and if there is no previous drawing process, the process goes to step S65.

[S64] The page turning processing unit 13 increases the starting point by one.
[S65] The page turning processing unit 13 extracts data corresponding to the number of display original data from the start point from the document data, and stores it as display original data in the display original data storage area 17a.

  [S66] Of the display original data stored in the display original data storage area 17a, the display data processing unit 14 performs display data processing on the display original data to be processed for display data. In the case of the back pushing process and the back pulling process, it is not necessary to change the start point.

Next, the relationship management unit 15 will be described. The relationship management unit 15 mainly performs relationship application processing and relationship restoration processing.
FIG. 33 is a flowchart showing the operation of the relationship application process.

[S7a-1] The relationship management unit 15 receives the event window number and the processing function name.
[S7a-2] relation management unit 15 performs allocation of window number W k capable of displaying process.

[S7a-3] The relationship management unit 15 refers to the correspondence management table T1 and acquires the display data index P k corresponding to the window number W k .
[S7a-4] relation management unit 15 refers to the management table T1, acquires display data index P e corresponding to the window number W k.

[S7a-5] relation management unit 15 relates the line corresponding to the display data index P k in the relationship definition table T2, update the input original data number to the display data index P e, the processing function name received processing function name Update with.

  [S7a-6] Among the display original data stored in the display original data storage area 17a, the display data processing processing unit 14 performs display data processing on the display original data to be processed for display data. .

FIG. 34 is a flowchart showing the operation of the relationship restoration process.
[S8a-1] relation management unit 15 receives an event window number W e.
[S8a-2] relation management unit 15 refers to the management table T1, acquires display data index P k corresponding to the window number W e.

[S8a-3] The relationship management unit 15 clears the input original data number and the processing function name for the row corresponding to the display data index Pk in the relationship definition table T2.
[S8a-4] Among the display original data stored in the display original data storage area 17a, the display data processing unit 14 performs display data processing on the display original data to be processed for display data. .

  Next, a specific operation example of the display control apparatus 10 will be described. FIG. 35 is a diagram showing a window display, and FIG. 36 is a diagram showing a setting state of various data related to the window display. The window display state St1 in FIG. 35 is set as an initial state.

The display unit 16 has four windows W 1 to W 4 . Further, it is assumed that seven pages of document data P1 to P7 are extracted from the document data storage unit T0.
Since the data display start point is set to 2, data P2 to P5 for four pages are stored in the display original data storage area 17a. Further, since no relationship is defined in the relationship definition table T2, the display original data P2 to P5 are stored as they are in the display data storage area 17b.

In the correspondence management table T1, window numbers = 1 to 4 correspond to display data indexes = 1 to 4, respectively. Therefore, the display unit 16, the data P2, P3, P4, P5 of the display data storage area 17b in correspondence to the window W 1 to W-4, the window W 1 to W-4, the data P2, P3, P4, P5 Will be displayed respectively. Note that the selection window is undefined in the initial state.

  FIG. 37 is a diagram showing a window display, and FIG. 38 is a diagram showing a setting state of various data related to the window display. A window display state St2 in FIG. 37 shows a state when the relationship application process of “enlarge right half” is performed on the window display state St1.

The user has selected the function f “enlarge right half” from the menu display for the window W 3 . Data P4 of the window W 3 being the display original data storage area 17a, the input original data number = 3. Further, it is assumed that the data P4 processed by the function f corresponds to the display data index = 4.

  Therefore, in the relationship definition table T2, the row of the display data index = 4 is updated as (display data index = 4, processing function name = f, input original data number = 3). Based on the update result of the relationship definition table T2, data P2, P3, P4, and f (P4) are stored in the display data storage area 17b corresponding to the display data indexes = 1 to 4.

In the correspondence management table T1, window numbers = 1 to 4 correspond to display data indexes = 1 to 4, respectively. Therefore, the display unit 16 displays in correspondence data P2 of the data storage area 17b, P3, P4, f a (P4) to the window W 1 to W-4, the window W 1 to W-4, the data P2, P3, P4 and f (P4) are respectively displayed. Note that the image of the display data f (P4) in the window W 4 is an image obtained by enlarging the right half of the image of the original data P4.

  FIG. 39 is a diagram showing a window display, and FIG. 40 is a diagram showing a setting state of various data related to the window display. A window display state St3 of FIG. 39 shows a state when the relationship application process of “enlarge left half” is performed on the window display state St2.

The user has selected the function g “enlarge left half” from the menu display for the window W 3 . Data P4 of the window W 3 being the display original data storage area 17a, the input original data number = 3. Further, it is assumed that the data P4 processed by the function g corresponds to the display data index = 2.

  Therefore, in the relationship definition table T2, the row of display data index = 2 is updated as (display data index = 2, processing function name = g, input original data number = 3). Based on the update result of the relationship definition table T2, data P2, g (P4), P4, and f (P4) are stored in the display data storage area 17b corresponding to display data indexes = 1 to 4. .

In the correspondence management table T1, window numbers = 1 to 4 correspond to display data indexes = 1 to 4, respectively. Therefore, the display unit 16, the data P2, g of the display data storage area 17b (P4), in correspondence P4, f a (P4) to the window W 1 to W-4, the window W 1 to W-4, the data P2 , G (P4), P4, and f (P4) are respectively displayed. Note that the image of the display data g in the window W 2 (P4) is an image obtained by enlarging the left half of the image of the original data P4.

  41 is a diagram showing a window display, and FIG. 42 is a diagram showing a setting state of various data related to the window display. A window display state St4 in FIG. 41 shows a state when a selection operation for clipping a window is performed on the window display state St3.

In FIG. 41, the user presses and clips the fourth window W4 with the right hand. For example, the user touches the window W 4 with a finger and makes a long press. As a result, a window selection operation event occurs, and as shown in FIG. 42, the selection window = 4 and the selection mode is entered.

  FIG. 43 shows a window display. A window display state St5 in FIG. 43 shows a state when a previous page turning operation is performed in the selection mode with respect to the window display state St4. In FIG. 43, the user flicks the second window W2 with his left hand.

For the second window W 2, the user by performing a right flick, turn of events to occur before the page. In this case, the selection mode is set, and the event window number = 2 and the selection window number = 4. Therefore, since the event window number is smaller than the selected window number, the pre-pressing process is performed.

  FIG. 44 is a diagram showing a window display, and FIG. 45 is a diagram showing a setting state of various data related to the window display. A window display state St6 in FIG. 44 shows a state in which a pre-pressing process is performed on the window display state St5 by a previous page turning operation in the selection mode.

  By performing the pre-pressing process, the display data index of the correspondence management table T1 becomes 0, 1, 2, and 4. In addition, a line of display data index = 0 is added to the relationship definition table T2 based on the expansion / contraction process. Further, the display original data storage area 17a and the display data storage area 17b are also increased from 4 to 5 based on the expansion / contraction processing. Furthermore, the starting point is reduced from 1 to 0 based on the starting point expansion / contraction process.

  Therefore, since the data display start point is 1, data P1 to P5 for five pages from the start point 1 are stored in the display original data storage area 17a. Further, based on the relationship definition table T2, P1, P2, g (P4), P4, f (P4) are stored in the display data storage area 17b.

In the correspondence management table T1, since the display data indexes = 0, 1, 2, and 4 correspond to the window numbers = 1, 2, 3, and 4, the display unit 16 stores the data in the display data storage area 17b. P1, P2, g (P4) , f a (P4) in correspondence with the window W 1 to W-4, the window W 1 to W-4, the data P1, P2, g (P4) , f (P4) is displayed respectively Will be.

  FIG. 46 is a diagram showing a window display, and FIG. 47 is a diagram showing a setting state of various data related to the window display. The window display state St7 in FIG. 46 shows a state when the selection mode is canceled with respect to the window display state St6. For example, when the user removes the clipped finger, the selection mode is canceled and the selection window = 0 as shown in FIG.

  FIG. 48 shows a window display. A window display state St8 of FIG. 48 shows a state in which a left flick is performed after the selection mode is released with respect to the window display state St7.

After selection mode is canceled, by carrying out the left flick on the second window W 2, to occur the event of turning the next page. Further, since it is not the selection mode, the next page turning process is performed.

  FIG. 49 is a diagram showing a window display, and FIG. 50 is a diagram showing a setting state of various data related to the window display. A window display state St9 of FIG. 49 shows a state when the next page turning operation is performed on the window display state St8.

  By performing the next page turning process, the starting point is increased from 1 to 2 based on the starting point expansion / contraction process. Accordingly, since the data display start point is set to 2, data P2 to P6 for five pages from the start point 2 are stored in the display original data storage area 17a. Further, P2, P3, g (P5), P5, and f (P5) are stored in the display data storage area 17b based on the relationship definition table T2.

In the correspondence management table T1, since the display data indexes = 0, 1, 2, and 4 correspond to the window numbers = 1, 2, 3, and 4, the display unit 16 stores the data in the display data storage area 17b. P2, P3, g (P5) , f a (P5) in correspondence with the window W 1 to W-4, the window W 1 to W-4, display data P2, P3, g (P5) , f (P5) respectively Will be.

  As described above, when a page turning operation to a non-selected window other than the selected window is accepted, the display control apparatus 10 performs page display processing based on the direction of the page turning operation of the non-selected window with respect to the selected window. The correspondence between the window and the display image is adaptively updated according to the result of the display process.

  As a result, it is possible to display a more natural screen corresponding to the user's screen operation without any contradiction between the user's screen operation and the screen display based on the screen operation. Is possible.

  Next, the operation in the second embodiment will be described. In the second embodiment, when no more data can be extracted in the front extraction process or the rear extraction process, the data displayed in the selection window is copied and extracted.

  FIG. 51 is a flowchart showing the operation of the pre-draw process when there is a selection window. The flow of processing for extracting data displayed in the selection window when no more data can be extracted in the pre-drawing processing is shown.

[S201] correspondence management unit 11, the selection window when W k, W 1, ..., P 2 the display data index corresponding to W k-2, ..., it is replaced by P k-1.
[S202] correspondence management unit 11, when P k-1 +1 is less than P k, go to Step S203, P k-1 +1 is greater than P k, or P k-1 +1 and P k If equal, go to step S204.

[S203] The correspondence management unit 11 replaces the display data index of the window W k-1 with P k-1 +1.
[S204] The correspondence management unit 11 replaces the display data index of the window W k-1 with P k (replaces with the data displayed in the clip in the selection window).

  FIG. 52 is a flowchart showing the operation of the back extraction process when a selection window exists. The flow of the process of extracting the data displayed in the selection window when no more data can be extracted in the back extraction process.

[S211] correspondence management unit 11, when the selection window of W k, W k + 2, ..., P k + 1 display data index corresponding to W m, ..., are replaced by P m-1.
[S212] correspondence management unit 11, when P k + 1 -1 is greater than P k, go to step S213, P k + 1 -1 is less than P k, or P k + 1 -1 If it is equal to P k , go to step S214.

[S213] The correspondence management unit 11 replaces the display data index of the window W k + 1 with P k + 1 −1.
[S214] The correspondence management unit 11 replaces the display data index of the window W k + 1 with P k (replaces with the data displayed in the clip in the selection window).

As mentioned above, correspondence management unit 11, W 1 on the corresponding management table T1, ..., W k-1 P 2 the display data index corresponding to, ..., drawers process before replacing the P k-1, S In the case of P k−1 +1 <P k , S = P k−1 +1 is substituted, otherwise S = P k is substituted.

Further, correspondence management unit 11, W k + 2 on the corresponding management table T1, ..., the display data index corresponding to W m T, P k + 1 , ..., the rear drawer process of replacing the P m-1 Is replaced with T = P k + 1 −1 if P k + 1 −1> P k , otherwise replaced with T = P k .

53 and 54 are flowcharts showing the operation of the expansion / contraction process.
[S221] The display data processing unit 14 recognizes the current selection window W k, the display data index corresponding to the selected window W k of the front and rear windows.

  [S222] The display data processing unit 14 determines whether or not a pre-pressing process has been performed. When there is a pre-pressing process, the process goes to step S224, and when there is no pre-pressing process, the process goes to step S223.

  [S223] The display data processing unit 14 determines whether there has been a back pushing process. If there is a back pushing process, the process goes to step S225, and if there is no back pushing process, the process goes to step S227.

[S224] The display data processing unit 14, when P k-1 +1 is less than P k, go to step S226a, P k-1 +1 is greater than P k, or P k-1 +1 and P If k is equal, exit.

[S225] The display data processing unit 14, when P k + 1 -1 is greater than P k, go to step S226a, P k + 1 -1 is less than P k, or P k + 1 - If 1 and P k are equal, the process ends.

[S226a] The display data processing unit 14 sets the added display data index to X.
[S226b] The display data processing unit 14 adds an area corresponding to X to the display data storage area 17b.

[S226c] The display data processing unit 14 adds a row corresponding to X to the relationship definition table T2.
[S226d] The display data processing unit 14 adds an area corresponding to X to the display original data storage area 17a.

  [S227] The display data processing unit 14 determines whether or not a previous drawing process has been performed. If there is a pre-drawing process, the process goes to step S229, and if there is no pre-drawing process, the process goes to step S228.

  [S228] The display data processing unit 14 determines whether or not a back pull-out process has been performed. If there is a back drawer process, the process goes to step S230, and if there is no back drawer process, the process ends.

[S229] The display data processing unit 14, when P k-1 is less than P k, go to step S230a, P k-1 is greater than threshold value or P k-1 and P k, is equal to P k If it ends.

[S230] The display data processing unit 14, when P k + 1 is greater than P k, go to step S230a, P k + 1 is less than P k, or P k + 1 and P k are equal If it ends.

[S230a] The display data processing unit 14 sets the deleted display data index to Y.
[S230b] The display data processing unit 14 deletes the area corresponding to Y in the display data storage area 17b.

  [S230c] The display data processing unit 14 deletes the line corresponding to Y in the relationship definition table T2, and clears the input original data number corresponding to Y in the relationship definition table T2 to be NA.

[S230d] The display data processing unit 14 deletes the area corresponding to Y in the display original data storage area 17a.
As described above, the display data processing unit 14 does not perform the expansion / contraction process when P k−1 = P k as a result of the front extraction process of the correspondence management unit 11, and P k + 1 as a result of the rear extraction process. When = Pk , the expansion / contraction process is not performed.

Further, the display data processing unit 14, the result of the previous indentation processing, without performing the expansion process in the case of P k-1 + 1 = P k or P k-1 = P k, the result of the rear indentation process, P k When +1 −1 = P k or P k + 1 = P k , the expansion / contraction process is not performed.

Next, a specific operation example of the second embodiment will be described. FIG. 55 is a diagram showing a window display, and FIG. 56 is a diagram showing a setting state of various data related to the window display. Window display state St11 in FIG. 55, after the clip select the third window W 3, shows a state in which the left flick in the second window W 2.

The display unit 16 displays four windows W 1 to W 4 . It is assumed that seven pages of document data P1 to P7 are extracted from the document data storage unit T0.
Since the data display start point is set to 4, data P4 to P7 for four pages from the data P4 are stored in the display original data storage area 17a. Further, since no relationship is defined in the relationship definition table T2, the display original data P4 to P7 are stored as they are in the display data storage area 17b.

In the correspondence management table T1, window numbers = 1 to 4 correspond to display data indexes = 1 to 4, respectively. Therefore, the display unit 16, the data P4, P5, P6, P7 of the display data storage area 17b in correspondence to the window W 1 to W-4, the window W 1 to W-4, the data P4, P5, P6, P7 Will be displayed respectively.

In this state, after selecting the clip for the third window W 3 and performing a left flick in the second window W 2 , an event for turning the next page occurs, and the selection mode is performed, so that the front drawing process is performed. .

Here, in the first embodiment described above, since the condition of P k−1 +1 <P k , that is, currently k = 3, P k−1 = 2 and P k = 3 of the correspondence management table T1 are obtained. Since the condition of k−1 +1 <P k is not satisfied, no operation is performed.

  On the other hand, in the second embodiment, the condition of 2 + 1 = 3 is satisfied, and the data P6 is copied and extracted. In the first embodiment, after the extraction process, the expansion / contraction process is performed, and the process such as the row reduction of the relationship definition table T2 is performed. However, in the second embodiment, the expansion / contraction process is performed when a copy is generated. Not performed, the same four lines as in the initial state remain.

  FIG. 57 is a view showing a window display, and FIG. 58 is a view showing a setting state of various data related to the window display. The window display state St12 in FIG. 57 shows a state in which a copy of the selected page is created and pulled out.

In the correspondence management table T1, since the display data indexes = 2, 3, 3, 4 correspond to the window numbers = 1, 2, 3, 4, the display unit 16 stores the data P5 in the display data storage area 17b, the P6, P6, P7 to correspond to the window W 1 to W-4, the window W 1 to W-4, so that the data P5, P6, P6, P7 are respectively displayed. In this way, the correspondence management table T1 changes, and the data P6 is displayed in a duplicated state in the windows W 2 and W 3 .

  FIG. 59 is a diagram showing a window display, and FIG. 60 is a diagram showing a setting state of various data related to the window display. The window display state St13 in FIG. 59 shows a display state in which the page P6 is pulled out redundantly by further flicking left.

In the correspondence management table T1, since the display data index = 3, 3, 3, 4 corresponds to the window numbers = 1, 2, 3, 4, the display unit 16 displays the data P6, the P6, P6, P7 to correspond to the window W 1 to W-4, the window W 1 to W-4, so that the data P6, P6, P6, P7 are respectively displayed.

  FIG. 61 shows a window display. The window display state St14 shows the display state of the pre-pressing process by the right flick. This is the state immediately before the front pressing process is started when the event of turning the previous page occurs by right flick. The data setting state at this time is the same as in FIG.

  FIG. 62 shows a window display. The window display state St15 shows a state after starting the pre-pressing process. Note that the data setting state at this time is the same as in FIG. After the pre-pressing process, the correspondence management table T1 is changed to represent a state in which the duplication of P6 in the data displayed on the display unit 16 is reduced from three to two.

In the correspondence management table T1, since the display data indexes = 2, 3, 3, 4 correspond to the window numbers = 1, 2, 3, 4, the display unit 16 stores the data P5 in the display data storage area 17b, the P6, P6, P7 to correspond to the window W 1 to W-4, the window W 1 to W-4, so that the data P5, P6, P6, P7 are respectively displayed.

  Note that after the push-in process, the expansion / contraction process is not performed, the relationship definition table T2 remains the same four rows as in the initial state, and the number of data in the display original data storage area 17a and the display data storage area 17b remains four. .

  As described above, in the case of the second embodiment, in addition to having the same effect as the first embodiment, a copy of the window can be created by a pull-out operation, and the copy can be deleted by a push-in operation. It is possible.

  Next, a case where display control of the present technology is performed between a plurality of devices will be described. In the above, the case where a plurality of windows are displayed on one display control apparatus 10 to perform display control of the present technology has been described.

  On the other hand, it is good also as a structure which displays each window on a some display control apparatus, and performs display control of this technique. That is, in such a configuration, when a page turning operation is performed on a window displayed on one display control device, a page on the window displayed on another display control device is linked with the operation. Will be updated.

FIG. 63 is a diagram illustrating a configuration example when display control is performed between a plurality of apparatuses. The display control devices 10-1 to 10-4 have the functions described above with reference to FIG. 1 and further have a wireless communication function. Further, the display control unit 10-1 to 10-4 shall represent each window W 1 to W-4 individually. The display control apparatuses 10-1 to 10-4 communicate with each other wirelessly and determine the relative positions of each other. Each of the display control devices 10-1 to 10-4 recognizes, for example, a numerical value indicating the order from the end (for example, the left end) in the array of the display control devices 10-1 to 10-4 as its window number.

The operation, for example, the display controller 10-1 acquires the document data through the cloud network 2, in order to perform the data display for the windows W 1, correspondence management table T1, the relationship definition table T2, the display original data storage area 17a Various data are set for the display data storage area 17b and the like.

  Then, the display control device 10-1 copies and displays various data set in the correspondence management table T1, the relationship definition table T2, the display original data storage area 17a and the display data storage area 17b. It transmits to control device 10-2-10-4. Further, when various table information and the like are changed, the changed content is distributed from the display control apparatus in which the change has occurred. In this way, the display control apparatuses 10-1 to 10-4 always have common table information while being synchronized.

  In such a state, when an event occurs on the window of any one of the display control devices 10-1 to 10-4, other display control is performed following the event. The display of the device window is also updated in conjunction.

For example, each window W 1 to W-4 of the display control unit 10-1 to 10-4, data P1~P4 are initially displayed, occurs event of turning the next page to the display control unit 10-2, the window It is assumed that the display of W 2 is data P3.

At this time, the display of the window W 1 of the display control device 10-1 moves from the data P1 to the data P2, and the display of the window W 3 of the display control device 10-3 moves from the data P3 to the data P4. The display of the window W 4 of 10-4 shifts from the data P4 to the data P5.

  As described above, the present technology can be applied not only to a plurality of windows displayed on one display control device but also to a window individually displayed on a plurality of display control devices. is there.

The above display control unit 10-1 to 10-4 is set to display a single window W 1 to W-4, have respective display control device 10-1 to 10-4 multiple windows, The page update may be performed in conjunction with each other.

  The processing functions shown above can be realized by a computer. FIG. 64 is a diagram illustrating a configuration example of hardware of a computer used in this embodiment. The computer 100 is entirely controlled by a CPU (Central Processing Unit) 101. A RAM (Random Access Memory) 102 and a plurality of peripheral devices are connected to the CPU 101 via a bus 108.

  The RAM 102 is used as a main storage device of the computer 100. The RAM 102 temporarily stores at least part of an OS (Operating System) program and application programs to be executed by the CPU 101. The RAM 102 stores various data necessary for processing by the CPU 101.

  Peripheral devices connected to the bus 108 include an HDD (Hard Disk Drive) 103, a graphic processing device 104, an input interface 105, an optical drive device 106, and a communication interface 107.

  The HDD 103 magnetically writes and reads data to and from the built-in disk. The HDD 103 is used as a secondary storage device of the computer 100. The HDD 103 stores an OS program, application programs, and various data. Note that a semiconductor storage device such as a flash memory can also be used as the secondary storage device.

  A monitor 104 a is connected to the graphic processing device 104. The graphic processing device 104 displays an image on the screen of the monitor 104a in accordance with a command from the CPU 101. Examples of the monitor 104a include a display device using a CRT (Cathode Ray Tube) and a liquid crystal display device.

  A keyboard 105 a and a mouse 105 b are connected to the input interface 105. The input interface 105 transmits signals sent from the keyboard 105a and the mouse 105b to the CPU 101. Note that the mouse 105b is an example of a pointing device, and other pointing devices can also be used. Examples of other pointing devices include a touch panel, a tablet, a touch pad, and a trackball.

  The optical drive device 106 reads data recorded on the optical disc 106a using laser light or the like. The optical disk 106a is a portable recording medium on which data is recorded so that it can be read by reflection of light. Examples of the optical disc 106a include a DVD (Digital Versatile Disc), a DVD-RAM, a CD-ROM (Compact Disc Read Only Memory), and a CD-R (Recordable) / RW (Rewritable).

  The communication interface 107 is connected to the network 110. The communication interface 107 transmits and receives data to and from other computers or communication devices via the network 110.

  With the hardware configuration as described above, the processing functions of the present embodiment can be realized. Further, when the processing functions of the present embodiment are realized by a computer, a program describing the processing contents of the functions of the display control apparatuses 1 and 10 is provided.

  By executing the program on a computer, the above processing functions are realized on the computer. The program describing the processing contents can be recorded on a computer-readable recording medium. Examples of the computer-readable recording medium include a magnetic storage device, an optical disk, a magneto-optical recording medium, and a semiconductor memory. Examples of the magnetic storage device include a hard disk device (HDD), a flexible disk (FD), and a magnetic tape. Optical discs include DVD, DVD-RAM, CD-ROM / RW, and the like. Magneto-optical recording media include MO (Magneto Optical disk). The recording medium for recording the program does not include a temporary propagation signal itself.

  When distributing the program, for example, a portable recording medium such as a DVD or a CD-ROM in which the program is recorded is sold. It is also possible to store the program in a storage device of a server computer and transfer the program from the server computer to another computer via a network.

  The computer that executes the program stores, for example, the program recorded on the portable recording medium or the program transferred from the server computer in its own storage device. Then, the computer reads the program from its own storage device and executes processing according to the program. The computer can also read the program directly from the portable recording medium and execute processing according to the program. Further, each time the program is transferred from the server computer, the computer can sequentially execute processing according to the received program.

  In addition, at least a part of the above processing functions can be realized by an electronic circuit such as a DSP (Digital Signal Processor), an ASIC (Application Specific Integrated Circuit), or a PLD (Programmable Logic Device).

  As described above, according to the present technology, it is possible to display a more natural screen according to the user's screen operation without any contradiction between the user's screen operation and the screen display based on the screen operation. It is possible to perform screen display without giving a sense of incongruity.

In addition, at least the following five items of operations can be smoothly performed without contradiction, and usability can be improved.
(1) Continuous pages displayed in a plurality of windows are simultaneously updated by a single page turning operation.

  (2) By clipping a part of multiple windows, it is excluded from the update target by the page turning operation, and other windows are turned while the display page on the window remains fixed. Update with.

(3) By releasing the clip operation, a plurality of non-continuous pages are linked to turn the page.
(4) A result obtained by applying an arbitrary process to a page displayed in a certain window is displayed in another window.

  (5) A window displaying a page and a window displaying a processing result for the page are updated following the page turning operation, and a set of pages and processing results are sequentially linked. indicate.

  As mentioned above, although embodiment was illustrated, the structure of each part shown by embodiment can be substituted by the other thing which has the same function. Moreover, other arbitrary structures and processes may be added.

1 display control unit 1a displays the data storing section 1b display control unit W 1 to W-4 display region # 1 to # 4 index P2~P5 display data A1, A2 screen display

Claims (20)

  1. In a display control device that displays display data in units of pages in a plurality of display areas,
    A display data storage unit having a plurality of storage areas for storing display data generated based on a plurality of designated page data in a document;
    Combining the update of the designation of the page data that is the generation source of the display data and the update of the designation of the storage area storing the display data to be displayed in each of the plurality of display areas, the plurality of display areas, A display control unit for performing display according to the operation;
    A display control device comprising:
  2.   The display control apparatus according to claim 1, wherein the display control unit stores data obtained by processing the page data in the document as display data.
  3.   The display control unit includes a correspondence management table in which an identification number of the display area is associated with an index for specifying a storage area in the display data storage unit. The display control apparatus according to claim 1, wherein a correspondence relationship between the plurality of display areas and the index is updated.
  4. An operation receiving unit that receives a screen operation on the plurality of display areas;
    The display control unit
    When the selection display area that is the display area selected to fix the display data is recognized and a batch page turning operation to a non-selection display area other than the selection display area is accepted,
    Based on the direction of the page turning operation of the non-selected display area with respect to the selected display area, the specification of page data as a display data generation source is updated, and each of the plurality of display areas is updated according to the result of the change. 4. The display control apparatus according to claim 1, wherein the designation of a storage area in which display data to be displayed is stored is updated.
  5. The display control unit
    When the page turning operation of the non-selection display area is performed in the first direction approaching the selection display area, the page of display data displayed in the non-selection display area toward the first direction is displayed. Perform a push-in process that makes the display move,
    When a page turning operation of the non-selected display area is performed in the second direction away from the selected display area, a page of display data displayed in the non-selected display area toward the second direction is displayed. Do a pull-out process that makes the display move.
    The display control apparatus according to claim 4.
  6. In the plurality of storage areas, consecutive integers of values are set as indexes,
    The display control unit includes a correspondence management table in which an identification number of the display area is associated with an index for specifying a storage area in the display data storage unit,
    Display area W 1, W 2, ..., W k, ..., index P 1, P 2 corresponding to W m, ..., P k, ..., a P m (1 <k ≦ m : k and m Integer), when the selection display area is W k and the non-selection display areas where the page turning operation is performed in the first direction are W 1 , W 2 ,..., W k−1 ,
    As the pushing process, the index corresponding to the non-selected display area W 2 ,..., W k-1 is replaced with P 1 ,..., P k-2, and the index of the non-selected display area W 1 is changed to P 1 −1. Perform pre-push processing before replacement,
    The display control apparatus according to claim 5.
  7. In the plurality of storage areas, consecutive integers of values are set as indexes,
    The display control unit includes a correspondence management table in which an identification number of the display area is associated with an index for specifying a display area in the display data storage unit,
    Display area W 1, W 2, ..., W k, ..., index P 1, P 2 corresponding to W m, ..., P k, ..., a P m (1 <k ≦ m : k and m Integer), when the selected display area is W k, and the non-selected display areas where the page turning operation is performed in the first direction are W k + 1 ,..., W m−1 , W m ,
    As the push processing, non-selected display area W k + 1, ..., W m-1 P k + 2 the index corresponding to, ..., replaced by P m, the index of non-selected display area W m P m +1 Do the back push process to replace
    The display control apparatus according to claim 5.
  8. In the plurality of storage areas, consecutive integers of values are set as indexes,
    The display control unit includes a correspondence management table in which an identification number of the display area is associated with an index for specifying a storage area in the display data storage unit,
    Display area W 1, W 2, ..., W k, ..., index P 1, P 2 corresponding to W m, ..., P k, ..., a P m (1 <k ≦ m : k and m are integers ), If P k−1 +1 <P k , the selected display area is W k, and the non-selected display areas where the page turning operation is performed in the second direction are W 1 ,..., W k−2 , W k. When -1
    As the withdrawal process, the non-selected display area W 1, ..., P 2 the index corresponding to W k-2, ..., P was replaced with k-1, the non-selected display area W k-1 of the index P k- Perform pre-draw processing to replace with 1 +1.
    The display control apparatus according to claim 5.
  9. In the plurality of storage areas, consecutive integers of values are set as indexes,
    The display control unit includes a correspondence management table in which an identification number of the display area is associated with an index for specifying a storage area in the display data storage unit,
    Display area W 1, W 2, ..., W k, ..., index P 1, P 2 corresponding to W m, ..., P k, ..., a P m (1 <k <m : k and m are integers ), If P k + 1 −1> P k , the selected display area is W k, and the non-selected display areas where the page turning operation is performed in the second direction are W k + 1 , W k + 2 ,. , W m
    As the withdrawal process, the non-selected display area W k + 2, ..., P k + 1 the index corresponding to W m, ..., and replaced with P m-1, the non-selected display area W k + 1 of the index P Perform back-drawing processing to replace with k + 1 -1.
    The display control apparatus according to claim 5.
  10. The display control unit
    When n pages (n is an integer of 1 or more) of page data from the starting point are extracted from the document and designated as display data generation sources,
    In response to the user's next page turning operation, the start point is increased, and the next page turning process for extracting n pieces of page data from the increased start point;
    In response to a user's previous page turning operation, the starting point is reduced, and a previous page turning process for extracting n pieces of page data from the reduced starting point;
    The display control apparatus according to claim 2, wherein:
  11.   When the display control unit extracts n page data (n is an integer of 1 or more) from the start point from the document and designates it as a generation source of the display data, the pre-pressing process is performed. 7. The display control apparatus according to claim 6, wherein the start point is reduced by one.
  12.   The display control unit extracts n page data from the start point from the document and designates it as a generation source of display data. When the pre-drawing process is performed, the display control unit determines the start point. 9. The display control apparatus according to claim 8, wherein the number is increased by one.
  13.   The display control unit has a relation definition table in which an input original data number that specifies page data from which display data is generated, a processing function name that indicates a function of processing performed on page data, and an index are associated with each other. The display control apparatus according to claim 2.
  14. The display control unit determines whether or not the processing function name is defined in each index of the relationship definition table;
    If the processing function name is defined, the processing function is applied to the page data corresponding to the input original data number, and the application result is set as display data corresponding to the corresponding index,
    If the processing function name is not defined, the page data corresponding to the input original data number is set as display data corresponding to the corresponding index.
    The display control apparatus according to claim 13.
  15. The display control unit performs a page turning operation of the non-selected display area in a first direction approaching the selected display area, and a page of an image displayed in the non-selected display area toward the first direction. If you perform a push-in process that displays a moving display,
    The display control apparatus according to claim 13, wherein a line corresponding to the added index is added to the relationship definition table.
  16. The display control unit performs a page turning operation of the non-selected display area in a second direction away from the selected display area, and an image page displayed in the non-selected display area in the second direction. If you perform a pullout process that displays a moving display,
    14. The display control apparatus according to claim 13, wherein a row corresponding to the deleted index is deleted from the relationship definition table.
  17. In the plurality of storage areas, consecutive integers of values are set as indexes,
    The display control unit includes a correspondence management table in which an identification number of the display area is associated with an index for specifying a storage area in the display data storage unit,
    Display area W 1, W 2, ..., W k, ..., index P 1, P 2 corresponding to W m, ..., P k, ..., a P m (1 <k ≦ m : k and m are integers ), When the selected display area is W k, and the non-selected display areas where the page turning operation is performed in the second direction are W 1 ,..., W k-2 , W k−1 ,
    As the withdrawal process, the non-selected display area W 1, ..., an index corresponding to W k-2 P 2, ... , and replaced with P k-1,
    If P k-1 +1 <P k , the index corresponding to the non-selected display area W k-1 is replaced with P k-1 +1,
    If P k−1 + 1 ≧ P k , pre-drawing processing is performed to replace the index corresponding to the non-selected display area W k−1 with P k .
    The display control apparatus according to claim 5.
  18. In the plurality of storage areas, consecutive integers of values are set as indexes,
    The display control unit includes a correspondence management table in which an identification number of the display area is associated with an index for specifying a storage area in the display data storage unit,
    Indexes P 1 , P 2 , ..., P k , ..., P m corresponding to the display areas W 1 , W 2 , ..., W k , ..., W m (1 <k≤m), and the selection display area W k and then, W k + 1 non-selected display area page turning operation is performed in the second direction, W k + 2, ..., when a W m,
    As the withdrawal process, the non-selected display area W k + 2, ..., P k + 1 the index corresponding to W m, ..., and replaced with P m-1,
    If P k + 1 −1> P k , the index corresponding to the non-selected display area W k + 1 is replaced with P k + 1 −1.
    In the case of P k + 1 −1 ≦ P k , a back extraction process is performed in which the index corresponding to the non-selected display area W k + 1 is replaced with P k .
    The display control apparatus according to claim 5.
  19. In a display control method for displaying display data in units of pages in a plurality of display areas,
    Computer
    Display data generated based on a plurality of specified page data in a document is stored in a plurality of storage areas;
    Combining the update of the designation of the page data that is the generation source of the display data and the update of the designation of the storage area storing the display data to be displayed in each of the plurality of display areas, the plurality of display areas, Display according to the operation,
    A display control method characterized by the above.
  20. On the computer,
    When displaying page-by-page display data in multiple display areas,
    Display data generated based on a plurality of specified page data in a document is stored in a plurality of storage areas;
    Combining the update of the designation of the page data that is the generation source of the display data and the update of the designation of the storage area storing the display data to be displayed in each of the plurality of display areas, the plurality of display areas, Display according to the operation,
    A program that executes processing.
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JPH06215040A (en) * 1992-11-30 1994-08-05 Toshiba Corp Information processing system and paging control method
JPH09311773A (en) * 1996-05-22 1997-12-02 Mitsubishi Electric Corp Method and device for window selection
JP2003280622A (en) * 2002-03-25 2003-10-02 Matsushita Electric Ind Co Ltd Electronic display device and display method thereof
JP2011203983A (en) * 2010-03-25 2011-10-13 Fujitsu Ltd Display controller, display device, display method and computer program
JP2012068956A (en) * 2010-09-24 2012-04-05 Nec Corp Display device, display method, and program

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05181635A (en) * 1992-01-07 1993-07-23 Toshiba Corp Document display device
JPH06215040A (en) * 1992-11-30 1994-08-05 Toshiba Corp Information processing system and paging control method
JPH09311773A (en) * 1996-05-22 1997-12-02 Mitsubishi Electric Corp Method and device for window selection
JP2003280622A (en) * 2002-03-25 2003-10-02 Matsushita Electric Ind Co Ltd Electronic display device and display method thereof
JP2011203983A (en) * 2010-03-25 2011-10-13 Fujitsu Ltd Display controller, display device, display method and computer program
JP2012068956A (en) * 2010-09-24 2012-04-05 Nec Corp Display device, display method, and program

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