JPH07129366A - Device for transferring picture display data - Google Patents

Abstract

PURPOSE:To process picture display data by operation common to a picture display data file to be used for storing the data without restricting the sort or format of data to data to be processed by a process and without previously determining a transfer procedure or a data format. CONSTITUTION:A divided data writing part 2b in a process 2 writes picture display data to be displayed on a display device 1 which is obtained by dividing picture data into the display data and picture control information by a picture data dividing part 2a in a display data storing area 4a and a picture control information storing area 4b in a file 4. A display control procedure generating part 5b in a process 5 generates a display control procedure for displaying the display data on a display device 6 based upon the picture control information read out from the file 4 and displays the display data on the device 6 by the display control procedure.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a screen display data transfer device, and more particularly to a screen display data transfer method for transferring display data between screens in a digital data processing device.

[0002]

2. Description of the Related Art Conventionally, in this type of screen display data transfer method, as shown in FIG. 4, a process 21 for controlling a display screen of a display device 20, and a display request and an input request to this process 21. Processes 22 and 23 for performing
When the display data of the process 22 is transferred to and from the display data of the process 22,
The internal storage area 21a is used for data transfer.

In this case, the display data of the process 22 is temporarily held in the storage area 21a under the control of the process 21, and transferred from the storage area 21a to the process 23 under the control of the process 21. That is, the control of the transfer of the display data from the process 22 to the process 23 is entirely performed by the process 2.
It is done in 1.

Further, the display device 24-i (i = 1, 2, ...
...) When the display data is transferred between the processes 25-i that control the respective display screens, there is also a method of using the data exchange area 26a on the main memory 26 that can be shared by the processes 25-i for the data transfer. .

In the case of this method, for example, process 25-1
When the display data of the above is transferred to the process 25-2, the process 25-1 writes the transferred display data in the data exchange area 26a on the main memory 26, and the process 25-2 displays the display written in the data exchange area 26a. By reading the data, the display data is transferred from the process 25-1 to the process 25-2.

[0006]

In the above-mentioned conventional screen display data transfer method, the display data is transferred between processes that make a display request and an input request under the control of the process that controls the display screen of the display device. When doing, there is a problem that the type and format of data that can be transferred are limited to those targeted by the process that controls the transfer.

That is, even if the data to be transferred is operable by each of the processes, the data can be transferred if the control procedure in the display control of the data is not the target of the process controlling the transfer. Can not.

Further, when the display data is transferred by using the shared storage area, there is a problem that it is necessary to determine a transfer procedure and a data format between the processes for transferring the display data.

That is, when the control procedure in the data display control is different from the format preliminarily agreed between the processes, the data cannot be transferred even if the shared storage area is used.

Therefore, an object of the present invention is to solve the above-mentioned problems, to prevent the type and format of data from being limited to the data handled in a specific process, and to determine the transfer procedure and data format. An object of the present invention is to provide a screen display data transfer device that can be handled by a common operation with a screen display data file used for saving screen display data.

[0011]

A screen display data transfer device according to the present invention is a screen display data transfer device of an information processing device having a plurality of data display means for respectively displaying data generated by a plurality of data processing means. Further, there is provided a file means operable by the plurality of data processing means and storing the data displayed on each of the plurality of data display means.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, the present invention will be described with reference to the drawings.

FIG. 1 is a block diagram showing the configuration of an embodiment of the present invention. In the figure, a process 2 controls the screen display of the display device 1, and an operator operates a display device 1 (not shown) such as a mouse or a digitizer.
When the area on the screen is designated, the screen display data 101 is read from the area on the screen of the display device 1.

The screen data dividing unit 2a of the process 2 converts the screen display data on the screen of the display device 1 into display data 102 of character data and image data, and this display data 102.
Together with the screen display data and display data 10
2 is divided into information indicating a display control procedure for displaying 2 on the screen and screen control information 103 having a display attribute such as a display color and output to the divided data writing unit 2b.

When the divided data writing unit 2b receives the display data 102 and the screen control information 103 divided by the screen data dividing unit 2a, the divided data writing unit 2b stores the display data storage area 4a and the screen control information storage area 4b in the RAM disk device 3. File 4 is created.

Thereafter, the divided data writing unit 2b transfers the display data 104 to the display data storage area 4a of the file 4.
Then, the screen control information 105 is written in the screen control information storage area 4b of the file 4, respectively.

When the process 5 requests the transfer of the screen display data of the process 2, the file data reading unit 5a of the process 5 uses the display data storage area 4a and the screen control information storage area 4b of the file 4 in the RAM disk device 3. The display data 106 and the screen control information 107 are read respectively.

The file data reading section 5a reads the display data 10 read from the file 4 in the RAM disk device 3.
8 and the screen control information 109 are sent to the display control procedure generation unit 5b.

The display control procedure generating section 5b generates a display control procedure for displaying the display data 108 on the display device 6 based on the screen control information 109 from the file data reading section 5a.

That is, the display control procedure generator 5b extracts the information necessary for displaying the display data 108 on the display device 6 from the screen control information 109, and generates the display control procedure. The process 5 displays the display data 108 on the display device 6 according to the display control procedure.

As a result, even when the display control procedure of the screen display data on the display device 1 and the display control procedure of the screen display data on the display device 6 are different, the display data of the process 2 is displayed by the above-described processing operation. By transferring to the process 5, the screen display data of the display device 1 can be displayed on the display device 6.

Therefore, the screen display data can be stored without being limited in the type and format of the screen display data to the screen display data handled in a specific process 2 and without deciding the transfer procedure or the data format. It can be handled by the same operation as the screen display data file used for.

Further, the file 4 of the RAM disk device 3
Display data 104 and screen control information 105 stored in
The display data 104 and the screen control information 105 can be saved by copying the data to a file (not shown) in the magnetic disk device.

When reading the stored display data 104 and screen control information 105, a file in the magnetic disk device may be copied to a file 4 in the RAM disk device 3 and read from the file 4 in the RAM disk device 3. It is also possible to read directly from a file in the magnetic disk device.

FIG. 2 is a block diagram showing the configuration of another embodiment of the present invention. In the figure, when the screen display data is created in the process 7, the screen data generation division unit 7a stores the created screen display data in the screen display data together with the display data 111 of character data and image data. The mixed data is divided into information indicating a display control procedure for displaying the display data 111 on the screen and screen control information 112 having a display attribute such as a display color, and the divided data is output to the divided data writing unit 7b.

When the division data writing unit 7b receives the display data 111 and the screen control information 112 divided by the screen data generation division unit 7a, the divided data writing unit 7b displays a file 8 including a display data storage area 8a and a screen control information storage area 8b. Created in a storage device not shown.

Thereafter, the divided data writing unit 7b stores the display data 113 in the display data storage area 8a of the file 8.
Then, the screen control information 114 is written in the screen control information storage area 8b of the file 8, respectively. At this time, the divided data writing unit 7b notifies the synchronization mechanism 9 with a notification signal (not shown) that the file 8 is being written.

On the other hand, the process 10 for displaying the screen display data created in the process 7 on the display device (not shown) is executed simultaneously with the operation of the process 7, and the display written in the file 8 by the divided data writing unit 7b is performed. The data 116 and the screen control information 117 are read by the file data reading unit 10a.

The display data 116 and the screen control information 1 from the file 8 are read by the file data reading unit 10a.
When reading 17, the process 10 inquires of the synchronization mechanism 9 by the inquiry signal (not shown) whether or not the writing to the file 8 by the divided data writing unit 7b is completed.

File 8 by divided data writing unit 7b
If the writing to is not completed, the synchronous circuit 9 suspends the execution of the process 10. Division data writing unit 7
When the writing to the file 8 by b is completed and the end signal 115 is output from the divided data writing unit 7b, the synchronous circuit 9 outputs the restart signal 118 to the process 10 to start the execution of the process 10.

As a result, the file data reading unit 10a of the process 10 reads the display data 116 and the screen control information 117 from the display data storage area 8a and the screen control information storage area 8b of the file 8, respectively.

The file data reading unit 10a reads the display data 119 and the screen control information 12 read from the file 8.
0 is sent to the display control procedure generation unit 10b. The display control procedure generation unit 10b generates a display control procedure for displaying the display data 119 on the display device based on the screen control information 120 from the file data reading unit 10a.

That is, the display control procedure generator 10b extracts the information necessary for displaying the display data 119 on the display device from the screen control information 120 and generates the display control procedure. The process 10 displays the display data 119 on the display device according to the display control procedure.

As a result, even when the display control procedure of the screen display data created in another process 7 and the display control procedure of the screen display data to the display device displayed by the control of the process 10 are different, By transferring the display data of the process 7 to the process 10 by the processing operation described above, it becomes possible to display screen display data having different display control procedures on the display device.

Therefore, the screen display data can be stored without being restricted in the type and format of the screen display data to the screen display data handled in the specific process 7, and without deciding the transfer procedure or the data format. It can be handled by the same operation as the screen display data file used for.

The display data 113 and the screen control information 114 stored in the file 8 are copied to a file (not shown) in the magnetic disk device or the like to save the display data 113 and the screen control information 114. be able to.

When reading the stored display data 113 and screen control information 114, it is possible to copy from a file in the magnetic disk device to a file 8 and read from the file 8, or from a file in the magnetic disk device. It can also be read directly.

FIG. 3 is a block diagram showing the configuration of another embodiment of the present invention. In the figure, a command input program 12 starts a program 13 corresponding to a command specified by an input signal 121 from the input device 11 (including a position pointing device such as a mouse or a digitizer) with a start signal 123 and executes the program 13. To do.

The command input program 12 displays the result obtained by executing this program 13 as character data 13
It is received as 1 and stored in the storage area 12a. Further, when displaying the display data 130 on the display device 14, the command input program 12 stores the display data 130 in the storage area 12a.

The command input program 12 is the input device 1
When the area on the screen of the display device 14 is designated by the area designation signal from 1, the data corresponding to the designated area is read from the display contents stored in the storage area 12a,
The character data 126 is output to the file 15. In this case, the command input program 12 uses the character data 126
The screen control information 127 corresponding to is also output to the file 16 in the storage device 15.

The file 16 is the command input program 1
The character data 126 from 2 is displayed in the display data storage area 16a.
And the screen control information 127 corresponding to the character data 126 is stored in the screen control information storage area 16b.

Since the file 16 is a text file composed of ordinary characters, it can be stored as it is in the storage device 15 as a file. Further, by using the character editing program 17a of the editor 17, the contents of the file 16 can be changed to appropriate contents.

That is, the character editing program 17a can change the contents of the display data storage area 16a by reading the changed character data 132 from the display data storage area 16a of the file 16 and storing the changed character data 132 in the display data storage area 16a. it can.

The changed file 16 or a text file stored in the storage device 15 as a file and created by another method is designated as a command input destination in the command input program 12 so that the file 16 or The contents of the text file are executed.

At this time, the contents of the file 16 or the text file are executed first by displaying the contents of the file 1
The command input program 1 output to 6 or the same command input program 1 operating in another process may be used.

On the other hand, when the changed file 16 or the text file stored in the storage device 15 as a file and created by another method is to be displayed on the display device 14, the file data reading unit 12b stores the file 16 The character data 126 and the screen control information 127 are read from the display data storage area 16a and the screen control information storage area 16b, respectively.

The file data reading unit 12b reads the character data 128 and the screen control information 1 read from the file 16.
29 is sent to the display control procedure generation unit 12c. The display control procedure generation unit 12c generates a display control procedure for displaying the character data 126 on the display device 14 based on the screen control information 129 from the file data reading unit 12b.

That is, the display control procedure generation unit 12c extracts information necessary for displaying the character data 128 on the display device 14 from the screen control information 129 and generates a display control procedure. The command input program 12 displays the character data 130 on the display device 14 according to the display control procedure.

As a result, the contents of the file 16 changed by the editor 17 or a text file created by using another method is transferred to the command input program 12 to display screen display data having different display control procedures. 14 can be displayed.

Therefore, the type and format of the screen display data are not limited to the screen display data handled in a specific process, and the transfer procedure and data format are not determined, so that the screen display data can be saved. It can be handled by the same operation as the screen display data file used.

The display data 126 and the screen control information 127 are saved by copying the character data 126 and the screen control information 127 stored in the file 16 to a file (not shown) in the magnetic disk device. be able to.

When reading the stored character data 126 and screen control information 127, it is possible to copy from a file in the magnetic disk device to a file 16 and read from the file 16, or from a file in the magnetic disk device. It can also be read directly.

By storing the data generated by the processes 2 and 7 and the command input program 12 in the files 3, 8 and 16 operable by the processes 2 and 7 and the command input program 12, respectively, as described above, These data can be transferred to the processes 5 and 10 and the editor 17 via the files 3, 8 and 16 to be displayed or edited.

Therefore, the screen display used for saving the screen display data is not limited to the data handled in a specific process in the type and format of the data, and the transfer procedure and the data format are not determined. It can be handled by the same operation as the data file.

In one embodiment of the present invention, another embodiment, and another embodiment, the display data or character data and the screen control information are written in different areas of the file. Alternatively, the character data and the screen control information may be continuously written, or a flag or the like may be added to each of the information so that the information can be identified, but the present invention is not limited thereto.

[0056]

As described above, according to the present invention, the data displayed on each of the plurality of data display means for displaying the data generated by each of the plurality of data processing means is transferred from the plurality of data processing means. By storing in a file that can be operated, screen display data can be saved without limiting the type and format of data to the data handled by a specific process, and without deciding the transfer procedure or data format. There is an effect that it can be handled by the same operation as the screen display data file used for.

[Brief description of drawings]

FIG. 1 is a block diagram showing the configuration of an embodiment of the present invention.

FIG. 2 is a block diagram showing the configuration of another embodiment of the present invention.

FIG. 3 is a block diagram showing the configuration of another embodiment of the present invention.

FIG. 4 is a block diagram showing a configuration of a conventional example.

FIG. 5 is a block diagram showing a configuration of a conventional example.

[Explanation of symbols]

 1, 6, 14 Display device 2, 5, 7, 10 Process 2a Screen data division unit 7a Screen data generation division unit 5a, 10a, 12c Display control procedure generation unit 4, 8, 16 File 4a, 8a, 16a Display data storage Area 4b, 8b, 16b Screen control information storage area

Claims (1)

[Claims] 1. A screen display data transfer device of an information processing apparatus, comprising: a plurality of data display means for respectively displaying data generated by a plurality of data processing means,
A screen display data transfer device comprising: file means operable by the plurality of data processing means and storing data displayed on each of the plurality of data display means.