JPH10222152A - Information processing apparatus and display method of drawing object - Google Patents

Abstract

(57) [Summary] [PROBLEMS] To select a drawing object such as a figure or a character on a display screen easily without depending on its position or display magnification. When an expression method for a non-selected drawing object is not set, the expression method is set (S1 → S2), and the expression method is set. When the selected state is displayed, it is determined whether or not the expression method for hiding the non-selected drawing object is set (S3 → S4 → S
5). If the answer is affirmative (Yes), a conversion process for hiding the non-selected drawing object on the display device is performed (S7), and the display device can be understood from the converted data. A drawing command is generated (S8), and the drawing command is output to the display device (S9).

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an information processing apparatus and a method of displaying a drawing object, and more particularly, to an information processing apparatus for displaying a selected state of a drawing object such as a figure or a character on a display screen, and the drawing object. Display method.

[0002]

2. Description of the Related Art In a conventional information processing apparatus, as a method for selectively displaying a drawing object such as a figure or a character on a display screen, as shown in FIG. Here, a method (first conventional example) of displaying symbol marks 53a to 53d at respective vertices of a rectangle including a rectangular graphic 51 and a circular graphic 52 to display a selected state of a drawing target on a display device, or As shown in FIG. 7, symbol marks 54a to 54d, 55a to 55d indicating selection states of a rectangular graphic 51 and a circular graphic 52, which are drawing objects, respectively.
A method of displaying 55d (second conventional example) is known.

[0003]

However, in the first prior art, depending on the size and position of the selected drawing object, as shown in FIG. 6, an unselected drawing object (for example, , A triangular figure 56 shown by oblique lines may exist in a rectangular area defined by the symbol marks 53a to 53d. For this reason, there is a problem that even if a drawing target that is not actually selected exists in the rectangular area, it cannot be distinguished on the display screen.

In the second prior art as well, depending on the position of the selected drawing object and the display magnification of the display device, a triangular figure 56 which is a non-selected drawing object is a symbol mark as shown in FIG. 54a-54d, 55a-55
d in some cases, it is difficult to distinguish the selected drawing object and the non-selected drawing object on the display screen, as in the first conventional example. In addition, even if the user changes the setting of the display magnification and searches for an appropriate display magnification, there is a problem that it takes a long time to search for the appropriate display magnification.

The present invention has been made in view of such problems, and the selection state of a drawing object such as a figure or a character depends on the position, size, number, display magnification, etc. of these drawing objects. It is an object of the present invention to provide an information processing apparatus and a display method of a drawing target, which can be easily distinguished on a display screen without any problem.

[0006]

According to a first aspect of the present invention, there is provided an information processing apparatus for displaying a selected state of an object to be rendered on a display screen. It is characterized by comprising expression method setting means capable of setting a plurality of expression methods for an object, and display processing means for performing display processing of a drawing object based on the setting state of the expression method setting means.

According to a fifth aspect of the present invention, there is provided a display method of a drawing object for displaying a selection state of the drawing object on a display screen, wherein a plurality of expression methods are used for an unselected non-selected drawing object. Configurable expression method setting step,
A display processing step of performing a display processing of the drawing target based on a setting state of the expression method for the non-selected drawing target.

[0008]

Embodiments of the present invention will be described below in detail with reference to the drawings.

FIG. 1 is a block diagram showing an embodiment of an information processing apparatus according to the present invention. The information processing apparatus includes an input device 1 such as a keyboard and a mouse, a predetermined arithmetic program and various data. Main storage device (R
OM and RAM) 2, a display device 3 for displaying an object to be drawn, and a central processing unit (CP) which controls these components and has predetermined arithmetic functions such as four arithmetic operations and logical operations.
U) 4.

FIG. 2 is a main block diagram showing the software configuration of the information processing apparatus. The disk driver 5 reads application software (hereinafter, referred to as “application”) stored in the main storage device 2. The display device 3 converts the rendering method of the rendering target instructed by the application into a rendering command that the display device 3 can understand.

FIG. 3 is a flowchart showing a processing procedure of a method for displaying a drawing object according to the present invention (first embodiment).
It is.

In step S1, it is determined whether or not the user has set the expression method for a non-selected drawing target when displaying the selected state of the drawing target on the display device 3. If the expression method of the non-selected drawing object has not been set, the expression method is set in step S2 and stored in the main storage device 2 (step S2), and the process ends. Here, in the first embodiment, as an expression method of the non-selected drawing object, the same expression method as that of the selected drawing object (hereinafter, this expression method is referred to as “original expression method”) is displayed. It is possible to set two types of expression methods, that is, a setting and a setting for hiding the non-selected drawing object.

If the expression method of the non-selected drawing object has already been set in step S1, the process proceeds to step S3, and it is determined whether or not the drawing object exists on the display device 3. If there is no drawing object, the process is terminated as it is, while if there is a drawing object, the process proceeds to step S4 to determine whether or not the display device 3 is displaying the selected state of the drawing object. . When the selected state of the drawing object is not displayed, the process is terminated as it is. On the other hand, when the selected state is displayed, the expression method set in step S2 sets the non-selected drawing object to non-display. Is determined (step S
5). If the answer is negative (No), it is determined that the expression method for displaying the non-selected drawing object on the display device 3 in the original expression method is instructed, and the non-selection drawing object is determined based on the original expression method. After the target object is converted into a drawing command that can be understood by the display device 3 and stored in the main storage device 2 (step S6), the drawing command is output to the display device 9 and the process ends.

On the other hand, when it is determined in step S5 that the display is not set to be displayed in the original expression method, a conversion process for hiding the non-selected drawing object on the display device 3 is performed (step S7). Then, a drawing command understandable by the display device 3 is generated from the converted data, and stored in the main storage device 2 (step S8). After that, the drawing command stored in the storage device 2 is output to the display device 9 and the process is terminated.

As described above, according to the first embodiment,
Only the selected drawing target can be displayed on the display device 3 by the user's selection.

FIG. 4 is a flow chart of a second embodiment showing a processing procedure of a method of displaying a drawing object according to the present invention. In the second embodiment, a non-selected drawing object is set to a specific color. It is possible to set an expression method that can be displayed by using. That is, in step S2, either the original expression method or the expression method of expressing the non-selected drawing object with a specific color is set as the expression method of the non-drawing object,
If it is determined in step S5 that the original expression method has not been set, the optimum display color for displaying the non-selected drawing object in a specific color is calculated (step S10).
Next, a conversion process for displaying the non-selected drawing object with the specific color calculated in step S10 is performed (step S11), and thereafter, the display device 3 is converted from the converted data.
Is generated and stored in the main storage device 2 (step S12), the drawing command stored in the storage device 2 is output to the display device 9, and the process ends.

As described above, in the second embodiment, non-selected drawing objects can be easily distinguished by color.

FIG. 5 is a flow chart of a third embodiment showing a processing procedure of a method of displaying a drawing object according to the present invention. In the third embodiment, a non-selected drawing object is selected in step S1. When it is determined that the expression method is not set, it is determined whether or not there is a specific input operation for changing the expression method for the non-selected drawing target (step S).
13) If the specific input operation has not been performed, the process is terminated as it is.
It is determined whether or not a drawing target object exists in step S3 (step S3). If the drawing object does not exist, the processing is terminated as it is, while if the drawing object exists, the processing steps of steps S4 to S9 are executed and the processing is performed as in the first embodiment. finish.

As described above, in the third embodiment, since the processing of the expression method for the non-selected drawing object is performed only when the user needs it, the number of times that the drawing command is stored in the main storage device 2 is reduced. In addition, the efficiency of processing can be improved.

[0020]

As described above in detail, according to the information processing apparatus and the method of displaying a drawing object according to the present invention, the selection state of the drawing object such as a figure or a character is determined by the position, size,
It can be easily distinguished on the display device without depending on the number and the display magnification of the display device.

[Brief description of the drawings]

FIG. 1 is a block diagram showing an embodiment of an information processing apparatus according to the present invention.

FIG. 2 is a main block diagram showing a software configuration of the information processing apparatus according to the present invention.

FIG. 3 is a flowchart of a first embodiment illustrating a processing procedure of a method of displaying a drawing target according to the present invention.

FIG. 4 is a flowchart of a second embodiment showing a processing procedure of a method of displaying a drawing target according to the present invention.

FIG. 5 is a flowchart of a third embodiment illustrating a processing procedure of a method of displaying a drawing target according to the present invention.

FIG. 6 is a diagram of a first conventional example showing a method of displaying a selected state of a drawing object.

FIG. 7 is a diagram of a second conventional example showing a method of displaying a selection state of a drawing target.

[Explanation of symbols]

 Reference Signs List 1 input device (instruction means) 3 display device (display screen) 4 central processing unit (expression method setting means, display processing means)

Claims (8)

[Claims] 1. An information processing apparatus for displaying a selected state of an object to be rendered on a display screen, comprising: an expression method setting means capable of setting a plurality of expression methods for an unselected non-selected object to be rendered; An information processing apparatus comprising: a display processing unit that performs a display process of a drawing target based on a setting state of a method setting unit. 2. The information processing apparatus according to claim 1, wherein said expression method setting means includes a non-display setting means for non-displaying a non-selected drawing object. 3. The information processing apparatus according to claim 1, wherein said expression method setting means includes a specific color setting means for expressing a non-selected drawing object in a specific color. 4. The information processing apparatus according to claim 1, further comprising command means for commanding a process of changing an expression method for an unselected drawing target. 5. A drawing object display method for displaying a selected state of a drawing object on a display screen, wherein an expression method setting step in which a plurality of expression methods can be set for a non-selected non-selected drawing object. A display processing step of performing a display processing of the drawing target based on a setting state of the expression method for the non-selected drawing target. 6. The display method of a drawing object according to claim 5, wherein the expression method setting step includes hiding a non-selected object drawing object. 7. The drawing object display method according to claim 5, wherein the expression method setting step includes expressing a non-selected drawing object with a specific color. 8. The method for displaying a drawing object according to claim 5, further comprising a command step for commanding a process of changing a representation method for a non-selected drawing object.