JP2638362B2 - Figure management device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a graphic management apparatus for managing fixed and irregular figures.

[0002]

2. Description of the Related Art In recent years, a graphic management device can manage various graphics displayed on a graphic display device.

However, the conventional graphic management apparatus manages fixed (rectangular, elliptical, etc.) figures prepared in a window system. When dealing with irregular figures, the irregular figures are handled for each system. Was managing the shapes.

[0004]

However, when an irregular figure is handled by the above-mentioned conventional method, since the figure is managed for each system, it is difficult to construct a system for handling the irregular figure. There was a problem that it was very troublesome.

The present invention solves the above-mentioned problems of the prior art, in which a means for displaying and managing graphics can be given from the outside, so that fixed and irregular graphics can be easily created on a display device.
It is an object of the present invention to provide a device capable of displaying, editing, and managing.

[0006]

In order to achieve this object, the present invention provides a method for managing fixed-form and irregular-form graphics.
A graphic creation procedure storage section for storing procedures for creating
Stores a procedure to find the boundary of a figure on each figure to be processed
Boundary procedure storage unit and figure attributes to store figure attributes
A storage unit and attributes of the graphic stored in the graphic attribute storage unit
Editing procedure storage unit for storing a procedure for editing
Draws figures according to the attributes of figures stored in the shape attribute storage
A drawing procedure storage unit for storing a procedure to be performed, and the drawing procedure
Stores the figure drawn by the stored procedure
And an image storage unit.
If there is no change in the attribute, it is stored in the image storage.
The figure is displayed in accordance with the request of the figure managing side .

[0007]

According to the present invention, with the above-described configuration, by providing a figure creating means, a drawing means, an editing means, and a boundary search means, it is possible to easily create, display, and edit fixed and irregular figures.
Not only can it be managed, but also
By doing so, it is possible to achieve high-speed redrawing of figures.
I can .

[0008]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram of a graphic management device according to an embodiment of the present invention. In FIG. 1, 11 is a message input unit such as a keyboard and a mouse, 12 is a figure management unit for managing figures, 121 is a figure management unit having a figure management list, and 122 executes processing according to an incoming message. A message control unit, 123, a graphic creation procedure storage unit for storing a procedure used when a new graphic is created, 124, a drawing processing unit for executing a procedure for drawing a graphic, 13 a graphic display unit such as a display, 14
a, 14b, and 14c are graphic objects; 141 is a graphic object message control unit; 142 is a boundary procedure storage unit that stores procedures for searching for graphic boundaries; and 143 is a procedure for changing graphic attribute values. An editing procedure storage unit 144 is a drawing procedure storage unit that stores a procedure for drawing a graphic, 145 is a graphic attribute storage unit that stores attribute values of a graphic, and 146 is an image storage unit that stores an image of a graphic on a memory. .

FIG. 2 is a flowchart of the message processing of the graphic management means, FIG. 3 is a flowchart of the graphic drawing processing, and FIG. 4 is a flowchart of the message processing of the graphic object in the graphic management apparatus configured as described above. The operation will be described with reference to FIG.

First, the operation of the graphic management means for a message will be described. When a message (instruction for a graphic management unit or a graphic object) is input in step 201, it is checked in step 202 whether a graphic creation procedure is registered. If the message is registered, the message is notified to the graphic creation procedure (step 203). If a graphic is created as a result (step 205), the graphic object is registered in the graphic management unit (step 210).

If the figure creation procedure has not been registered in step 202, the type of the message is checked (step 204). If the message is a drawing request message, the message is notified to the drawing processing unit (step 206). In the case of the change message of the selected state, in step 207, a target object is searched from the graphic objects managed by the graphic management unit (a graphic position confirmation message is transmitted for each graphic object to check), and the target object is searched. It is checked whether or not the search was successful (step 211). If the search was successful, the selected state of the target graphic object is checked (step 214). If it is not selected, a message for changing to the selected state is notified (step 216). If it is in the selected state, a message for changing to the non-selected state is notified (step 217).

If the search is not successful in step 211, a message to change to the non-selected state is sent to all of the selected graphic objects registered in the graphic management unit (step 215).

If the message type is object deletion in step 208, the object is deleted from the graphic management section (step 209), and the area on the graphic display section where the graphic existed (the minimum Is issued to the graphic management object (step 213).

If the message type is any other type, the message is notified to all the objects selected in the graphic object registered in the graphic management unit (step 212).

Next, an operation for drawing a figure on the figure display unit will be described. When a drawing request message for a rectangular area of the graphic display unit is input in step 301, all the graphics managed by the graphic management unit are processed (step 30).
2) Perform the following processing.

It is checked whether or not the figure of the figure object is within the drawing request area (step 30).
3). If there is a figure in the area, a clipping area for the figure display section is designated as a drawing request area (step 304), and it is checked whether or not an image storage section exists (step 305).

If the image storage section does not exist, the graphic drawing procedure stored in the graphic drawing procedure storage section is executed, and drawing is performed on the graphic display section (step 309). If the image storage unit exists, it is checked whether the attribute value of the graphic has been changed (step 306). If the attribute value has been changed, the graphic drawing procedure in the graphic drawing procedure storage unit is executed to store the graphic in the image storage unit. Draw (step 307), and copy the figure in the image storage unit to the figure display unit (step 308). If the attribute value has not been changed, the graphic in the image storage is copied to the graphic display (step 308).

Next, the operation of the graphic object with respect to the message will be described. When a message is input in step 401, the type of the message is checked in step 402,
In the case of the figure position confirmation message, the procedure in the boundary procedure storage is executed (step 403), and the result is returned to the figure management means (step 405). The procedure registered in the boundary procedure storage unit checks whether the coordinate value given by the message is inside, outside, or on the boundary of the figure.

If the message is not a position confirmation message in step 402, the procedure registered in the editing procedure storage is executed (step 404). If the object is deleted, a delete message is notified to the graphic management object. (Step 407). If the object has not been deleted, it is checked whether or not the attribute value of the figure has been changed (step 408). If the attribute value has been changed, a drawing request message for the smallest rectangular area including the figure is sent to the figure management object in step 409. Notice.

As described above, a figure is created, a boundary is searched,
By giving a procedure for displaying and editing from the outside, a graphic management apparatus that can easily handle irregular figures can be realized.
In addition, by providing an image storage unit,
It can be realized at high speed .

[0021]

As described above, according to the present invention, by providing the graphic creation procedure storage section, the drawing procedure storage section, the boundary procedure storage section, and the editing procedure storage section, these four procedures can be simply provided from the outside. It is possible to realize an excellent figure management device that can create, display, edit and manage figures of various shapes, and to provide an image storage unit.
This makes it possible to achieve redrawing at high speed.
It is.

[Brief description of the drawings]

FIG. 1 is a block diagram of a graphic management device according to an embodiment of the present invention.

FIG. 2 is a flowchart showing the message processing operation of the graphic management means of the graphic management device in the embodiment of the present invention.

FIG. 3 is a flowchart illustrating an operation of drawing a graphic on a graphic display unit of the graphic management apparatus according to the embodiment of the present invention.

FIG. 4 is a flowchart showing an operation of message processing of a graphic object of the graphic management apparatus in the embodiment of the present invention.

 ────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Aki Uchihara 1006 Kazuma Kadoma, Osaka Prefecture Inside Matsushita Electric Industrial Co., Ltd. (56) References JP-A-63-285675 (JP, A)

Claims (1)

(57) [Claims] 1. A figure creation procedure storage unit for storing a procedure for creating a figure on a side that manages fixed and irregular forms of a figure,
A boundary procedure storage unit that stores a procedure for searching for a boundary of a graphic on each managed graphic side, and a graphic attribute that stores an attribute of the graphic.
Attribute storage unit and the attribute of the graphic stored in the graphic attribute storage unit.
An editing procedure storage unit for storing a procedure for editing a property,
Draws a figure according to the attributes of the figure stored in the figure attribute storage.
A drawing procedure storage unit for storing a drawing procedure;
Stores the figure drawn by the procedure stored in the connection storage
And a image storage unit, if there is no change in the attributes stored in the graphics attribute storage unit that,
The figure stored in the image storage unit is
A graphic management device for displaying according to a request .