JPH04324497A - Multi-window system - Google Patents

Abstract

PURPOSE:To improve the performance of the multi-window system by effectively utilizing a video image on the same display. CONSTITUTION:A VRAM control part 5 stops transferring video image data to VRAMs 3-1-3-3 in response to a still picture request and transfers and stores the video image data in a previously secured image memory 8a from the VRAMs 3-1-3-3. An editing part 7b edits the video image data stored in the image memory 8a on a window according to editing information inputted from an input device and stores the edited data in an image area on an image memory 8b together with an added data name. The editing part 7b transfers and stores the edited video image data in the VRAMs 3-1-3-3 from the image memory 8b in response to a quotation request from the input device. A VRAM control part 5 displays the video image data, stored in the VRAMs 3-1-3-3, on the window on a CRT display 4.

Description

[Detailed description of the invention]

0001

TECHNICAL FIELD The present invention relates to a multi-window system, and more particularly to a system capable of displaying video images (moving images) on multi-windows.

0002

2. Description of the Related Art Conventionally, this type of multi-window system has only consisted of the step of displaying a video image on a window (step 20 in FIG. 4), as shown in FIG.

[0003] In such conventional multi-window systems, the video image is only displayed on a window, so even if the video image is displayed on the same display with other windows, the video image cannot be displayed in other windows. The drawback is that the video images cannot be cited as data and cannot be used effectively.

0004

OBJECTS OF THE INVENTION The present invention has been made to eliminate the drawbacks of the conventional systems as described above, and provides a multi-window system that can effectively utilize video images on the same display and improve performance. The purpose is to provide.

[0005]

SUMMARY OF THE INVENTION A multi-window system according to the present invention is a multi-window system capable of simultaneously displaying a window in which data of a plurality of programs and a window in which a moving image is displayed on the same display. It is characterized by comprising a stilling means for stilling a moving image, and a storage means for storing still image data generated by the stilling means.

[0006]

[Embodiment] Next, an embodiment of 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, CPU1 is the main bus 10
1 to a VRAM (video RAM) control section 5 and a display control section 6. Display unit 2 is VRAM3-
1 to 3-3 and a CRT display 4.
It is connected to the VRAM control section 5 via the RT local bus 102.

The display control section 6 is composed of application programs 6a and 6b, a video image display program 6c, a multi-window control section 7 consisting of a main control section 7a and an editing section 7b, and image memories 8a and 8b. .

FIG. 2 is a flow chart showing the operation of one embodiment of the present invention, and FIG. 3 is a diagram showing the operation of one embodiment of the present invention. The operation of an embodiment of the present invention will be explained using FIGS. 1 to 3.

Before displaying a video image on the CRT display 4 by starting the video image display program 6c, the editing section 7b of the multi-window control section 7 reserves an image area on the image memories 8a and 8b. The multi-window control unit 7 is an application program 6
In addition to windows a and b in which the data of a and 6b are displayed, a window c in which a video image of a video image display program 6c is displayed is displayed on the CRT display 4, and control is passed to the VRAM control unit 5.

The VRAM control unit 5 controls the VRAM 3 of the display unit 2.
-1 to 3-3 are displayed on window c on the CRT display 4 (step 10 in FIG. 2) [see FIG. 3(a)].

In this state, when a request to stop the video image is input from an input device such as a keyboard or a mouse (not shown), the main control section 7a outputs an image stop request to the VRAM control section 5. The VRAM control section 5 is the main control section 7
When an image stop request is received from a, VRAM3-1~
3-3, and outputs a stop signal to the editing section 7b. That is, window c on the CRT display 4 displays VRA before the transfer is stopped.
Since the video image data stored in M3-1 to M3-3 is displayed, the video image becomes static in window c on the CRT display 4 (step 11 in FIG. 2).
).

When the editing section 7b receives the stop signal from the VRAM control section 5, it outputs to the VRAM control section 5 a request to transfer video image data from the VRAMs 3-1 to 3-3 to the image memory 8a secured in advance. When the VRAM control unit 5 receives the transfer request from the editing unit 7b, the VRAM control unit 5
-3, the video image data stored in the image memory 8
Transfer it to a and store it. At this time, the editing unit 7b gives an arbitrary data name (for example, "HANA") to the video image data stored in the image memory 8a (step 12 in FIG. 2) [see FIG. 3(b)].

When editing designation information such as range designation and scaling on the window is input from the input device, the main control section 7a sends the editing designation information to the editing section 7b. The editing section 7b edits the video image data stored in the image memory 8a on the window c based on the editing designation information (step 13 in FIG. 2). At the same time, the editing section 7b reserves an image area on the image memory 8b to store the edited data.

When the editing of the video image is completed, the editing section 7b assigns a data name (for example, "HANA") to the edited data.
1'') and stored in the image area on the image memory 8b (step 14 in FIG. 2) [see FIG. 3(c)].

When a request for quoting edited video image data to another window a and quoting information indicating the position where the video image data is to be displayed are inputted from the input device,
The main control section 7a sends the quotation request and quotation information to the editing section 7b. When the editorial department 7b receives the quotation request,
The edited video image data stored in the image memory 8b is transferred to the VRAM control section 5, and the citation information thereof is sent to the VRAM control section 5. VRAM control unit 5
transfers and stores the edited video image data sent from the image memory 8b to the VRAMs 3-1 to 3-3. After that, the VRAM control unit 5 controls the VRAMs 3-1 to 3-3.
The edited video image data stored in is displayed on window a on the CRT display 4 (step 15 in FIG. 2) [see FIG. 3(d)].

In this way, the video image displayed in the window c on the CRT display 4 is transferred to the VRAM controller 5.
The video image data stored in the image memory 8a is edited by the editing section 7b and stored in the image memory 8b. The displayed video image can be referenced to other windows a and b. Therefore, it is possible to effectively utilize video image data, and the performance of the multi-window system can be improved. That is, it is possible to effectively utilize video images on the same CRT display 4, and performance can be improved.

[0018]

As explained above, according to the present invention, by freezing moving images displayed in windows on the same display and storing the still image data, video images on the same display can be This has the effect of making it possible to effectively utilize the resources and improving performance.

[Brief explanation of the drawing]

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

FIG. 2 is a flowchart showing the operation of an embodiment of the present invention.

FIG. 3 is a diagram showing the operation of an embodiment of the present invention.

FIG. 4 is a flowchart showing the operation of a conventional example.

[Explanation of symbols]

2 Display section 3-1 to 3-3 VRAM4 CRT
Display 5 VRAM control section 7 Multi-window control section 7a Main control section 7b Editing section 8a,
8b Image memory a, b, c Window

Claims (1)

[Claims] 1. A multi-window system capable of simultaneously displaying a window displaying data of a plurality of programs and a window displaying a moving image on the same display, the system comprising: a freezing means for freezing the moving image; , and storage means for storing still image data obtained by the stilling means.