JPH02197963A - Drawing controller - Google Patents

Drawing controller

Info

Publication number
JPH02197963A
JPH02197963A JP1795189A JP1795189A JPH02197963A JP H02197963 A JPH02197963 A JP H02197963A JP 1795189 A JP1795189 A JP 1795189A JP 1795189 A JP1795189 A JP 1795189A JP H02197963 A JPH02197963 A JP H02197963A
Authority
JP
Japan
Prior art keywords
request
erasable
designation
display
control means
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP1795189A
Other languages
Japanese (ja)
Inventor
Yoshihiko Imai
今井 良彦
Toru Tsubosaki
坪崎 徹
Koji Sugishita
杉下 幸司
Motoyuki Itou
基志 伊藤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP1795189A priority Critical patent/JPH02197963A/en
Publication of JPH02197963A publication Critical patent/JPH02197963A/en
Pending legal-status Critical Current

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Abstract

PURPOSE:To erase only the desired pictures by rejecting the erasion requests to the drawn pictures to which the drawing requests are given with the erasion unable attributes when the drawing requests are received. CONSTITUTION:When an erasion request is given to a drawn picture, the picture to which a drawing request is given with an erasion enable attribute at a drawing request can be erased by an erasion request in an erasion state requested to a drawn picture display means 103. For this purpose, the display is instructed to a display device 105. Then the erasion request is rejected to such a drawn picture to which a drawing request is given at a drawing request with an erasion unable attribute. Thus it is possible to erase only the desired pictures.

Description

【発明の詳細な説明】 産業上の利用分野 本発明は、コンピュータの画面の描画制御装置に関する
ものである。
DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a drawing control device for a computer screen.

従来の技術 第6図は、この従来の描画制御装置の構成図を示すもの
であり、601は描画制御装置、602は描画制御手段
、603は描画表示手段、504は表示デバイスである
BACKGROUND OF THE INVENTION FIG. 6 shows a configuration diagram of this conventional drawing control device, in which 601 is a drawing control device, 602 is a drawing control means, 603 is a drawing display means, and 504 is a display device.

以上のように構成された従来の描画制御装置501にお
いては、描画制御手段602が描画要求を受けた場合、
前記描画要求を表示デバイス604に指示可能な要求に
変換し、描画表示手段603に対して前記要求の描画の
表示を指示する。
In the conventional drawing control device 501 configured as described above, when the drawing control means 602 receives a drawing request,
The drawing request is converted into a request that can be instructed to the display device 604, and the drawing display unit 603 is instructed to display the drawing of the request.

描画表示手段603は描画制御手段602の指示に基づ
き、表示デバイス504に対して表示要求を出し、表示
デバイス504によって所与の描画を得る。
The drawing display unit 603 issues a display request to the display device 504 based on instructions from the drawing control unit 602, and obtains a given drawing by the display device 504.

発明が解決しようとする課題 しかしながら上記のような構成では、−度描画した描画
を消去したい場合、消去したい描画ばかりでなく、消去
したくない、または消去すべきでない描画をも同時に消
去してしまうという問題点を有していた。
Problem to be Solved by the Invention However, with the above configuration, when you want to erase a drawing that has been drawn twice, not only the drawing that you want to erase but also the drawing that you do not want to erase or should not erase at the same time. There was a problem.

本発明はかかる点に鑑み、消去したい描画のみを消去す
る描画制御装置を提供することを目的とする。
In view of this, an object of the present invention is to provide a drawing control device that erases only the drawing that is desired to be erased.

課題を解決するための手段 本発明は、表示デバイスに表示を指示する描画表示手段
と、描画要求を受けた場合に、前記描画表示手段に描画
表示の指示を行なうことと、既に描画された描画に対し
て消去要求が行なわれた場合、描画要求時に消去許可の
属性で描画要求が出されている描画に対しては前記消去
要求に基づき、前記描画表示手段に対して前記消去要求
で要求されている消去が可能となるような表示デバイス
に対する表示を指示し、描画要求時に消去不可の属性で
描画要求が出されている描画に対しては、前記消去要求
を却下することを行なう描画制御手段を備えた描画制御
装置であ、る。
Means for Solving the Problems The present invention provides a drawing display unit that instructs a display device to display a drawing, a drawing display unit that instructs the drawing display unit to display a drawing when a drawing request is received, and a drawing that has already been drawn. When an erasure request is made to the drawing, for a drawing for which a drawing request has been issued with an attribute of erasure permission at the time of the drawing request, based on the erasure request, the drawing is requested to the drawing display means in the erasure request. A drawing control means that instructs a display device to display the data on a display device that can be erased, and rejects the erasing request for a drawing for which a drawing request is made with an attribute that cannot be erased at the time of a drawing request. It is a drawing control device equipped with.

また本発明はさらに、消去不可指定の制御を行なう消去
不可指定制御手段を備え、かつ描画制御手段が、消去不
可指定解除要求を受けた場合、前記消去不可指定解除要
求に基づき、消去不可指定解除を前記消去不可指定制御
手段に通知することと消去不可指定要求を受けた場合、
前記消去不可指定要求に基づき、消去不可の指定を前記
消去不可指定制御手段に通知することとを行なう描画制
御装置である。
Further, the present invention further comprises a non-erasable designation control means for controlling non-erasable designation, and when the drawing control means receives a request to cancel the non-erasable designation, the non-erasable designation is canceled based on the non-erasable designation cancellation request. to the non-erasable designation control means, and upon receiving a non-erasable designation request,
The drawing control device notifies the non-erasable designation control means of the non-erasable designation based on the non-erasable designation request.

作  用 本発明は前記した構成により、既に描画された描画に対
して消去要求が行なわれた場合、描画要求時に消去許可
の属性で描画要求が出されている描画に対しては前記消
去要求に基づき、前記描画表示手段に対して前記消去要
求で要求されている消去が可能となるような表示デバイ
スに対する表示を指示し、描画要求時に消去不可の属性
で描画要求が出されている描画に対しては、前記消去要
求を却下し、消去不可指定解除要求を受けた場合、前記
消去不可指定解除要求に基づき、消去不可指定解除を前
記消去不可指定制御手段に通知することと消去不可指定
要求を受けた場合、前記消去不可指定要求に基づき、消
去不可の指定を前記消去不可指定制御手段に通知するこ
とを可能とするものである。
Effect of the Invention According to the above-described configuration, when an erasure request is made for a drawing that has already been drawn, the erasure request is not applied to a drawing for which a drawing request has been made with an attribute of erasure permission at the time of the drawing request. Based on this, the drawing display means is instructed to display on a display device that allows the erasure requested in the erasure request, and for the drawing for which a drawing request is issued with an attribute that cannot be erased at the time of the drawing request. If the erasure request is rejected and a non-erasure designation cancellation request is received, based on the non-erasure designation cancellation request, the non-erasure designation control means is notified of the cancellation of the non-erasure designation, and the non-erasure designation request is canceled. If received, it is possible to notify the non-erasable designation control means of the non-erasable designation based on the non-erasable designation request.

実施例 第1図は本発明の実施例における描画制御装置のブロッ
ク図を示すものである。第1図において、101は描画
制御装置、102は描画制御手段、103は描画表示手
段、104は消去不可指定制御手段、106は表示デバ
イスである。
Embodiment FIG. 1 shows a block diagram of a drawing control device in an embodiment of the present invention. In FIG. 1, 101 is a drawing control device, 102 is a drawing control means, 103 is a drawing display means, 104 is a non-erasable designation control means, and 106 is a display device.

以上のように構成された本実施例の描画制御装置につい
て、以下その動作を説明する。
The operation of the drawing control device of this embodiment configured as described above will be described below.

描画時の動作を第2図に示す。第2図は以下のようなア
ルゴリズムを示している。
Figure 2 shows the operation during drawing. FIG. 2 shows the following algorithm.

(201)  描画制御手段102は、描画要求を受は
取る。(202)へ行く。
(201) The drawing control means 102 receives and takes drawing requests. Go to (202).

(202)  描画制御手段102は、(201)で受
けた要求が、消去要求時に消去可か不可か判断する。消
去可の場合(203)へ、不可の場合(204)へ行く
(202) The drawing control unit 102 determines whether the request received in (201) can be erased or not when the erase request is made. If erasing is possible, the process goes to (203), and if erasing is not possible, the process goes to (204).

(203)  消去可の場合、描画制御手段102は描
画情報を消去可能描画制御情報領域に、表示デバイス1
04に指示可能な形式で格納する。
(203) If erasable, the drawing control means 102 stores the drawing information in the erasable drawing control information area of the display device 1.
04 in an instructable format.

(205)へ行く。Go to (205).

(204)  消去不可の場合、描画制御手段102は
描画情報を消去不可描画制御情報領域に、表示デバイス
104に指示可能な形式で格納する。(205)へ行く
(204) If erasure is not possible, the drawing control unit 102 stores the drawing information in the non-erasable drawing control information area in a format that can be instructed to the display device 104. Go to (205).

(2OS)  描画制御手段102は描画表示手段10
3に対して、消去可能描画制御情報領域と消去不可描画
制御情報領域の情報の描画の指示を出す。(206)へ
行く。
(2OS) The drawing control means 102 is the drawing display means 10
3, an instruction to draw information in the erasable drawing control information area and the non-erasable drawing control information area is issued. Go to (206).

(206)  描画表示手段103は描画制御手段10
2からの指示に基づき、表示デバイス104に対して表
示要求を出し、表示デバイス104によって描画を行な
う。処理を終了する。
(206) The drawing display means 103 is the drawing control means 10
Based on the instruction from 2, a display request is issued to the display device 104, and the display device 104 performs drawing. Finish the process.

消去時の動作を第3図に示す。第3図は以下のようなア
ルゴリズムを示している。
FIG. 3 shows the operation during erasing. FIG. 3 shows the following algorithm.

(301)  描画制御手段102は、消去要求を受は
取る。(302)へ行く。
(301) The drawing control means 102 receives the erase request. Go to (302).

(302)  描画制御手段102は、消去要求の対象
が、消去可能描画制御情報領域にあるか、消去不可描画
制御情報領域にあるか判断する。
(302) The drawing control unit 102 determines whether the object of the erasing request is in the erasable drawing control information area or in the non-erasable drawing control information area.

消去不可描画制御情報領域にある場合、処理を終了する
。消去可能描画制御情報領域にある場合、(303)へ
行く。
If it is in the non-erasable drawing control information area, the process ends. If it is in the erasable drawing control information area, go to (303).

(303)  描画制御手段102は、消去すべき描画
情報を消去可能描画制御情報領域から削除する。(30
4)へ行く。
(303) The drawing control unit 102 deletes the drawing information to be erased from the erasable drawing control information area. (30
Go to 4).

(304)  描画制御手段102は描画表示手段10
3に対して、消去可能描画制御情報領域と消去不可描画
制御情報領域の情報の描画の指示を出す。(3oa )
へ行く。
(304) The drawing control means 102 is the drawing display means 10
3, an instruction to draw information in the erasable drawing control information area and the non-erasable drawing control information area is issued. (3oa)
go to

(305)  描画表示手段103は描画制御手段10
2からの指示に基づき、表示デバイス104に対して表
示要求を出し、表示デバイス104によって描画を行な
う。処理を終了する。
(305) The drawing display means 103 is the drawing control means 10
Based on the instruction from 2, a display request is issued to the display device 104, and the display device 104 performs drawing. Finish the process.

描画の消去属性を変更する時の動作を第4図に示す。第
4図は以下のようなアルゴリズムを示している。
FIG. 4 shows the operation when changing the erasure attribute of a drawing. FIG. 4 shows the following algorithm.

(401)描画制御手段102は、消去属性変更要求を
受は取る。(402)へ行く。
(401) The drawing control means 102 receives the deletion attribute change request. Go to (402).

(402)  描画制御手段102は、消去不可指定制
御手段104に消去属性変更要求を出す。
(402) The drawing control means 102 issues an erasure attribute change request to the erasure non-designation control means 104.

(403)  消去不可指定制御手段104は、受は取
った要求が消去可への変更か消去不可への変更かを判断
する。消去可への変更の場合(404)へ行く。消去不
可への変更の場合(406)へ行く。
(403) The non-erasable designation control unit 104 determines whether the received request is for a change to be erasable or non-erasable. If the change is to allow erasing, the process goes to step 404. In the case of a change to non-erasable, the process goes to step 406.

(404)  消去不可指定制御手段104は、消去不
可描画制御情報領域にある描画情報を消去可能描画制御
情報領域に複写し、消去不可描画制御情報領域にある描
画情報を削除する。処理を終了する。
(404) The non-erasable designation control unit 104 copies the drawing information in the non-erasable drawing control information area to the erasable drawing control information area, and deletes the drawing information in the non-erasable drawing control information area. Finish the process.

(405)  消去不可指定制御手段104は、消去可
能描画制御情報領域にある描画情報を消去不可描画制御
情報領域に複写し、消去可能描画制御情報領域にある描
画情報を削除する。処理を終了する。
(405) The non-erasable designation control unit 104 copies the drawing information in the erasable drawing control information area to the non-erasable drawing control information area, and deletes the drawing information in the erasable drawing control information area. Finish the process.

以上のように本実施例によれば、既に描画された描画に
対して消去要求が行なわれた場合、描画要求時に消去可
の属性で描画要求が出されている描画に対しては前記消
去要求に基づき、前記描画表示手段に対して前記消去要
求で要求されている消去が可能となるような表示デバイ
スに対する表示を指示し、描画要求時に消去不可の属性
で描画要求が出されている描画に対しては、前記消去要
求を却下し、消去不可指定解除要求を受けた場合、前記
消去不可指定解除要求に基づき、消去不可指定解除を前
記消去不可指定制御手段に通知することと消去不可指定
要求を受けた場合、前記消去不可指定要求に基づき、消
去不可の指定を前記消去不可指定制御手段に通知するこ
とを可能とする装置を設けることにより、消去したい描
画のみを消去することができる。
As described above, according to this embodiment, when an erase request is made for a drawing that has already been drawn, the erase request is made for a drawing for which a drawing request was made with an erasable attribute at the time of the drawing request. Based on this, instructs the drawing display means to display on a display device that enables the erasure requested in the erasure request, and displays the drawing for which the drawing request is made with an attribute that cannot be erased at the time of the drawing request. If the user rejects the erasure request and receives a request to cancel the non-erasable designation, based on the non-erasable designation cancellation request, the non-erasable designation control means is notified of the non-erasable designation control means; By providing a device capable of notifying the non-erasable designation control means of the non-erasable designation based on the non-erasable designation request, it is possible to erase only the drawing that is desired to be deleted.

発明の詳細 な説明したように、本発明によれば、消去したい描画の
みを消去することができ、その実用的効果は大きい。
As described in detail, according to the present invention, only the drawing that is desired to be erased can be erased, and its practical effects are great.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は本発明における一実施例のブロック図、第2図
は本発明における一実施例の描画要求時の動作を示すフ
ローチャート、第3図は本発明における一実施例の消去
要求時の動作を示すフローチャート、第4図は本発明に
おける一実施例の消去属性変更要求時の動作を示すフロ
ーチャート、第6図は従来の描画制御装置のブロック図
である。 101・・・・・・描画制御装置、102・・・・・描
画制御手段、103・・・・・・描画表示手段、104
・・・・・・消去不可指定制御手段、106・・・・・
・表示デバイス。 代理人の氏名 弁理士 粟 野 重 孝 ほか1名第 図 第 因
FIG. 1 is a block diagram of an embodiment of the present invention, FIG. 2 is a flowchart showing the operation of an embodiment of the present invention when a drawing request is made, and FIG. 3 is an operation of an embodiment of the present invention when an erase request is made. FIG. 4 is a flowchart showing the operation when an erasure attribute change request is made according to an embodiment of the present invention, and FIG. 6 is a block diagram of a conventional drawing control device. 101... Drawing control device, 102... Drawing control means, 103... Drawing display means, 104
. . . Non-erasable designation control means, 106 . . .
・Display device. Name of agent: Patent attorney Shigetaka Awano and one other person Figure 1

Claims (2)

【特許請求の範囲】[Claims] (1)表示デバイスに表示を指示する描画表示手段と、
描画要求を受けた場合に、前記描画表示手段に描画表示
の指示を行なうことと、既に描画された描画に対して消
去要求が行なわれた場合、描画要求時に消去許可の属性
で描画要求が出されている描画に対しては前記消去要求
に基づき、前記描画表示手段に対して前記消去要求で要
求されている消去が可能となるように表示デバイスに対
する表示を指示し、描画要求時に消去不可の属性で描画
要求が出されている描画に対しては、前記消去要求を却
下することを行なう描画制御手段とを備えたことを特徴
とする描画制御装置。
(1) a drawing display means for instructing a display device to display;
When a drawing request is received, the drawing display means is instructed to display a drawing, and if an erase request is made for a drawing that has already been drawn, the drawing request is issued with an attribute of erasure permission at the time of the drawing request. Based on the erasure request, the drawing display means is instructed to display on the display device such that the erasure requested by the erasure request is possible for the drawing that is not erasable at the time of the drawing request. A drawing control device comprising: a drawing control means for rejecting the deletion request for a drawing for which a drawing request has been issued as an attribute.
(2)特許請求の範囲第1項の描画制御手段の指示に基
づき、消去不可指定の制御を行なう消去不可指定制御手
段と、消去不可指定解除要求を受けた場合、前記消去不
可指定解除要求に基づき、消去不可指定解除を前記消去
不可指定制御手段に通知することと消去不可指定要求を
受けた場合、前記消去不可指定要求に基づき、消去不可
の指定を前記消去不可指定制御手段に通知することとを
行なう特許請求の範囲第1項の描画制御手段とを備えた
ことを特徴とする特許請求の範囲第1項記載の描画制御
装置。
(2) Non-erasable designation control means for controlling non-erasable designation based on instructions from the drawing control means as set forth in claim 1, and when receiving a non-erasable designation cancellation request, based on the non-erasable designation request, to notify the non-erasable designation control means of the cancellation of the non-erasable designation, and when a non-erasable designation request is received, to notify the non-erasable designation control means of the non-erasable designation based on the non-erasable designation request. A drawing control device according to claim 1, further comprising a drawing control means according to claim 1, which performs the following.
JP1795189A 1989-01-27 1989-01-27 Drawing controller Pending JPH02197963A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1795189A JPH02197963A (en) 1989-01-27 1989-01-27 Drawing controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1795189A JPH02197963A (en) 1989-01-27 1989-01-27 Drawing controller

Publications (1)

Publication Number Publication Date
JPH02197963A true JPH02197963A (en) 1990-08-06

Family

ID=11958072

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1795189A Pending JPH02197963A (en) 1989-01-27 1989-01-27 Drawing controller

Country Status (1)

Country Link
JP (1) JPH02197963A (en)

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