JPH11237871A - Plotting element blink method using color pallet - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a blink method by which a blink cycle is not affected even when the number of plotting elements is increased. SOLUTION: A virtual layer 5 composed of plural blink planes 21 and 22 and plural plotting planes 31 -33 is set to a color pallet, blink codes and plotting codes prepared while selecting the blink planes 21 and 22 and the plotting planes 31 -33 are simultaneously inputted to the color pallet 1, and the colored plotting elements based on the input codes are displayed on a display device and blinked in the blink cycle selected through a timer interruption.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to color image information created using a color palette, for example, a display device (C).
RT) The present invention relates to a method of blinking a part of drawing elements of the map information displayed on the display to make it stand out.

[0002]

2. Description of the Related Art An image displayed on a CRT by a general-purpose computer is colored based on a pallet number given to image data in a color pallet, and includes drawing elements (lines, circles, rectangles, etc.) in the image. When blinking is used, a method of periodically changing the color of a drawing element and redrawing is used.

FIG. 8 is a block diagram showing a conventional blinking method using drawing. Operation 101 to display the drawing element on the display device 108
Is operated, the drawing data generation program 102 sets the drawing data (lines, circles, etc.) 103 and sets the color information 1 (blink ON) 104 ₁ or the color information 2 (blink OFF) 104 ₂ . Subsequently, the drawing data 10
3 and color information 1 (blink ON) 104 ₁ or color information 2 (blink OFF) 104 ₂
Input to the color palette 107 via the pix plane 106. The R, G, B signals are output from the color palette 107 and input to the display device 108 to display a color image corresponding to the R, G, B signals.

[0004] A procedure for inputting a timer interrupt signal to the drawing apparatus 105 in FIG. 8 and causing the drawing element to blink will be described with reference to a flowchart shown in FIG. FIG.
When a timer interrupt occurs (S101),
After repeating for all drawing data (S10
2) Extract drawing data (S103). Next, it is determined whether or not the blink color is the blink color 1 (S104).
If it is ES, the drawing color is set to blink color 1 (S10
5) If NO, change the drawing color to blink color 2 (S106). The drawing data having the drawing color selected by the above-described procedure is drawn on the pixmap (S10
7), and repeatedly for all the drawing data (S1
08) and end (S109).

In step (S107), each drawing data is written in the same place with only the color changed, so that the effect is the same as when the color change is performed. Therefore, in the blinking method based on the conventional drawing, as the number of drawing data increases, it is necessary to repeat the processing for all the drawing data, so that the blink cycle becomes slow.

[0006]

SUMMARY OF THE INVENTION The present invention has been made to improve the above-mentioned drawbacks of the conventional blinking method, and includes a blink plane for designating a drawing element to be blinked and a drawing plane for designating the blinking element. By setting a virtual layer having a plurality of drawing planes each for specifying a color on the pix plane, even if the number of drawing elements to be blinked increases, the blink cycle is not affected.

[0007]

A drawing element blinking method according to the present invention is as shown in FIG. 1, in which a virtual layer 5 comprising two blink planes and three drawing planes is set on a pix plane. Three types of drawing elements to be blinked (triangle, square, and circle) can be selected from the 2-bit blink code, and R, G, and R corresponding to the respective shapes of the drawing elements can be selected from the 3-bit drawing code.
Three colors B can be selected. Further, by performing a timer interrupt, it is possible to set the blink cycle of the drawing element to be blinked.

[0008]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram for explaining an outline of a drawing element blinking method according to the present invention. Blink planes 2 ₁ and 2 ₂ in virtual layer 5,
And assume rendering plane 3 ₁ to 3 _3. The color palette 1 stores pallet numbers 0 to 255 and luminance information of the three primary colors R, G, and B corresponding to the palette numbers.

When a binary code is added to the blink planes 2 ₁ and 2 ₂ , three types of blink codes, 11, 1
0,01 is obtained. In this embodiment, the blink code 11 is set as a triangle, the blink code 10 is set as a rectangle, and the blink code 01 is set as a circle. Moreover, to confer binary code foreground color code 110,101,111 obtained even for rendering plane 3 ₁ to 3 _3,
The three primary colors corresponding to each drawing color code are R, G, B
Set in advance.

When a binary code is sequentially assigned to two blink planes and three drawing planes in the virtual layer 5 and a code composed of a blink code and a drawing code is obtained, the following is obtained. Blink 1 is 11: 110X
XX (triangle R). Therefore, the blink is 111
Since 10XXX and 00110XXX are displayed alternately,
The triangle repeats bright red and dark red. Similarly, blink 2 is 10: 101XXX (square
G) and blinks are 10101XXX and 00101
Since XXX is displayed alternately, the square repeatedly displays bright green and dark green. In blink 3, 01:
111XXX (circle / B), blink is 0111
Since 1XXX and 00111XXX are displayed alternately, the circle repeatedly displays bright blue and dark blue.

In this embodiment, two blink planes and three drawing planes are used. Therefore, since the code given to the virtual layer 5 has only the upper 5 bits and does not use the lower 3 bits, the lower 3 bits of the code are indicated by XXX. Increasing the number of blink planes and the number of drawing planes can greatly change the graphic and color type of the drawing element to be blinked.

As will be described later, the blink period is set by the occurrence of a timer interrupt.
An example will be described with reference to FIG. In FIG. 4, blink 1
Is provided with a blink cycle that repeats light and dark every cycle time, blink 2 has a blink cycle that repeats light and dark every unit time (1/4 cycle time), and blink 3 has a blink cycle that repeats light and dark every unit time (1/4 cycle time). ing. Now, the unit time is 200m
s, one cycle time is 1,600 ms, so
In blink 1 every 1600 ms, in blink 2 8
Brightness and darkness are repeated every 400 ms in blink 3 every 00 ms.

Although there are only three types of blink periods shown in FIG. 4, it is possible to increase the types by increasing the number of blink planes shown in FIG. In addition, as shown in FIG. 5, a plurality of virtual color maps are prepared in advance for each unit time, and a blink cycle can be changed by installing a hard color map for each unit time. In one embodiment, as shown in FIG. 6, two palettes are prepared, and blinking is performed by alternately exchanging the palettes in a predetermined unit time. Can be done. FIG. 7 shows a case where the hard pallets are replaced up to 8 unit times. By preparing a virtual color map and replacing the hard pallet every certain unit time to perform a plurality of periodic blinks, it is possible to periodically blink even if the number of drawing elements increases. FIG.
The color shown in FIG. 7 is an example, and the hue can be changed. Also, 8 unit time can be changed.

Referring to FIGS. 2 and 3, a method of blinking a drawing element using a color palette according to the present invention will be described.
In FIG. 2, an operation 11 is operated in order to display a drawing element on the display device 19 and cause the display device 19 to blink. This operation (such as lines, circles) writing data generating program 12 drawing data at the same time setting the 13, color information 1 (virtual pallet 1) 16 ₁ - color information 8 (virtual pallet 8) 16 ₈ drawing data generating program 12 is initialized. The drawing data 13 is input to the pix plane 15 via the drawing device 14. A blink plane set by selecting a blink plane and a drawing plane
When a palette address signal consisting of a code and a drawing code is input to the color palette 18, the color palette 18
Thereafter, the drawing elements colored based on the luminance information of R, G, and B are displayed on the display device 19.

[0015] If the timer interrupt to the pallet changing program 17 inputs color information _{161-164 8} predetermined read rare color information selected from among the drawing elements by a predetermined blink period is input to the color palette 18 Blink.

FIG. 3 is a flowchart showing a procedure for selecting color information and determining a blink cycle. When a timer interrupt occurs (S1), the color palette is changed to the blink color N (S2), so that (S3) to (S4) to
N is selected by (S5). In this embodiment, since N is 8 at the maximum, N cannot be 9 in (S4), and the procedure for returning to N = 1 is shown. The color information 1 to 8 selected by the above procedure are
If the color information 4 is a bright color and the color information 5 to the color information 8 is a dark color, the blink cycle becomes blink 1 in FIG. Similarly, the periods of the blink 2 and the blink 3 can be obtained in the same manner.

[0017]

As described above, the drawing element blinking method according to the present invention comprises a plurality of blink planes for setting the shape of the drawing element to be blinked and a plurality of drawing planes for setting the color of the drawing element. A rendering element in which the configured virtual layer is set on a pix plane, a code created by selecting the blink plane and the rendering plane is input to a color palette, and blinks at a predetermined cycle via a timer interrupt. Is displayed on the display device. Therefore, even if the number of drawing elements increases, by increasing the number of blink planes and drawing planes, it is possible to cause many drawing elements to blink without delaying the blink cycle. In addition, since the blink period can be appropriately selected, an extremely effective display method can be provided when map information or the like is used.

[Brief description of the drawings]

FIG. 1 is a block diagram showing an outline of a drawing element blinking method according to the present invention.

FIG. 2 is a block diagram showing a blink method using a color palette.

FIG. 3 is a flowchart showing a method of selecting a blink cycle by a timer interrupt.

FIG. 4 is an explanatory diagram of a blink cycle.

FIG. 5 is an explanatory diagram showing a color map operation method.

FIG. 6 is an explanatory diagram showing a blink method by pallet conversion.

FIG. 7 is an explanatory diagram showing an example of performing a plurality of periodic blinks.

FIG. 8 is a block diagram showing a blinking method by drawing according to the related art.

FIG. 9 is a flowchart illustrating a method of selecting a blink cycle by a timer interrupt according to the related art.

[Explanation of symbols]

1 color palette 2 ₁ , 2 ₂ blink plane 3 _{1 to} 3 ₃ drawing plane 5 virtual layer

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Takahiro Hayakawa 6-19-15 Shimbashi, Minato-ku, Tokyo Inside TEPCO Software Co., Ltd. (72) Motohiro Yamaji 1-9-9 Motohongocho, Hachioji-shi, Tokyo 9 Chuo Denshi Co., Ltd. (72) Inventor Tatsuyuki Matsui 1-9-9 Motohongocho, Hachioji-shi, Tokyo Chuo Denshi Co., Ltd.

Claims (3)

[Claims] 1. A method of blinking a drawing element by a color palette storing color palette data, comprising: a plurality of blink planes for designating a shape to be blinked; a plurality of drawing planes for designating a color of the shape to be blinked; The virtual layer constructed by
A palette address signal including a blink code and a drawing color code set by selecting the blink plane and the drawing plane, and inputting the palette address signal to a color palette. , G, and B are displayed on a display device, and the colored drawing elements are blinked according to a blink cycle selected by a timer interrupt. How the element blinks. 2. Selecting a combination of a blink code and a drawing code set simultaneously on a virtual layer, thereby changing a combination of a shape and a color of a drawing element to be displayed on a display device and reading color information. 2. The method according to claim 1, wherein the blink cycle is changed by selecting a combination. 3. The apparatus according to claim 1, wherein a plurality of virtual color maps in which the shapes and colors of the drawing elements are set in advance are prepared, and the color palette is exchanged according to the set blink period to perform blinking. How to blink drawing elements by color palette.