JP2001034739A - Method and device for coloring image and recording medium with image coloring program recorded thereon - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce the labor of a coloring operator. SOLUTION: A color designation information generating part 11 prepares color designation information where a preliminarily defined color to be colored is made to correspond to its name, and a color designation information storing part 12 stores the color designation information in a storage device 13. A line drawing to be colored reading part 14 reads a line drawing to be colored from the device 13, and a line drawing to be colored displaying part 15 shows the line drawing to be colored on an image display device 19. A color designation information reading processing part 16 reads the color designation information from the device 13. A coloring part 17 acquires optional coordinates within a closed area in which a coloring operator wants to perform coloring on the line drawing to be colored displayed on the device 19 by designating the coordinates with a pointing device, overlaps the color designation information on the line drawing to be colored and displays the color designation information at the coordinates, acquires its color value from the color designation information in such a manner that the coloring operator further indicates a color desired to be colored on the color designation information with the pointing device, and colors the closed area designated by the coordinates and color value within the acquired closed area.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an image coloring apparatus for coloring a line image.

[0002]

2. Description of the Related Art In order to color a closed area on a colored line drawing, it is necessary to clearly indicate at least: arbitrary coordinates in the closed area; and the color to be colored. For coloring on a computer, the former is instructed by a pointing device such as a mouse. As for the latter, generally, a coloring operator inputs color values such as (R, G, B) values and (hue, saturation, lightness) values through an interface as shown in FIG.

There is also a method of obtaining a color value at the coordinates by pointing a color already displayed on a display device such as a CRT with a pointing device, and coloring the color with the color value. FIG. 7 shows two typical examples. FIG. 7A shows a color designation table in which predetermined colors and their names are associated with each other on a display device, and a coloring operator searches the color designation table for a color to be colored, and uses a pointing data. FIG. 7B shows a color sample image which has already been colored on a display device, and a closed area on the color sample image of the same color as the color to be colored is designated by the operator. Is to be searched and specified by a pointing device.

[0004]

In the prior art shown in FIG. 6, when a color to be colored is determined in advance, such as used for animation production, etc., each closed area on the colored line drawing should be colored. Since the color values are strictly determined, each time the color to be colored is changed, the color worker must check the color value to be colored and input the color value using a keyboard or the like, which imposes a burden on the color worker. large.

The conventional technique shown in FIG. 7 has a problem that the coloring operator must move the pointing device greatly every time the color to be colored changes.

An object of the present invention is to provide an image coloring method and apparatus for reducing the labor of a coloring operator, and a recording medium on which an image coloring program is recorded.

[0007]

According to the image coloring method of the present invention, color designation information corresponding to a predetermined color to be colored and the name thereof is created, and a coloring operator can colorize the line drawing to be colored. When the closed area to be attempted is designated by a pointing device, the color designation information is displayed at the coordinates, and the closed area including the coordinates designated by the pointing device is colored on the displayed color designation information. The operator colors the image with the color specified by the pointing device.

The image coloring apparatus of the present invention further comprises a color designation information generating means for generating color designation information corresponding to a predetermined color to be colored and the name thereof in accordance with an instruction of a coloring operator,
A storage device, a color specification information storage unit for storing the generated color specification information in the storage device, a chromatic color line drawing reading unit for reading a chromatic color line drawing from the storage device, and an image display of the read chromatic color line drawing A color line drawing display means for displaying on the device; a color specification information reading means for reading the color specification information from the storage device; and a color operator displaying the color specification information at coordinates specified by a pointing device on the image display device. And the closed area containing the specified coordinates is
There are coloring means for coloring with a color designated by a coloring device on the pointing device on the displayed color designation information, and coloring line drawing storing means for storing the colored line drawing in the storage device.

According to the present invention, a color to be colored is designated by using a small amount of movement of a pointing device without using a keyboard, thereby reducing the labor of a coloring operator.

[0010]

Next, embodiments of the present invention will be described with reference to the drawings.

Referring to FIG. 1, an image coloring apparatus according to an embodiment of the present invention includes a color designation information generating unit 11, a color designation information storage unit 12, a storage unit 13, a chromatic color line drawing reading unit 14, and a chromatic color line drawing display unit. 15, a color designation information reading unit 16, a coloring unit 17, and a colored line drawing storage unit 18.

The color designation information generation unit 11 creates color designation information corresponding to a predetermined coloring color and its name in accordance with an instruction from a user. Table 1 shows an example of the color designation information.

[0013]

[Table 1] The color specification information storage unit 12 stores the generated color specification information in the storage device 13.

The storage device 13 stores a line drawing to be colored, stores the color designation information, and stores a colored line drawing that has been colored.

A color line image reading unit 14 reads a color line image to be colored from the storage device 13 in accordance with an instruction of a coloring operator.

The chromatic color line drawing display section 15 displays the chromatic color line drawing read from the storage device 13 on the image display device 1 such as a CRT.
9 is displayed.

The color designation information reading section 16 reads the color designation information from the storage device 13 in accordance with an instruction of the coloring operator.

The coloring section 17 obtains an arbitrary coordinate in a closed area where the coloring is desired to be performed by the pointing device on the chromatic line drawing displayed on the image display device 19 by using a pointing device. The color designation information is superimposed and displayed on the chromatic color line drawing, and the color operator further acquires the color value from the color designation information by instructing a color to be colored with a pointing device on the color designation information, and The closed area specified by the coordinates and the color values in the specified closed area is colored.

Hereinafter, a specific description will be given with reference to FIGS. 2, 3 and 4.

In FIG. 2, a mouse (one button) is used as an example of the pointing device. Image display device 1
The coloring operator presses the mouse button at an arbitrary coordinate in the closed area to be colored on the colored line drawing by the mouse cursor displayed on the line 9 (step 101). Gets the coordinates of the mouse cursor when the mouse button is pressed,
It is set to (x, y) (step 102). (X,
It is checked whether or not y) is on the colored line drawing (step 10).
3) If (x, y) is not on the color line drawing, the process ends without doing anything. If (x, y) is on the color line drawing, the color designation information read in the above step is replaced by (x, y) of the color line drawing.
y) (FIG. 4 (a), step 1)
04). The coloring operator moves the mouse cursor on the color to be colored on the displayed color designation information while holding down the mouse button (FIG. 4B), and releases the mouse button (step 105). The coordinates of the mouse cursor at the time when the mouse button is released are obtained (step 106), and it is checked whether or not the coordinates are on a valid area on the color designation information (step 107). Erase from the screen and end (step 110). If the coordinates of the mouse cursor at the time when the acquired mouse button is released are in a valid area on the color designation information, the color values (R, R,
G, B) from the color designation information (step 108),
The (x, y) and (R, G, B) are passed to the paint processing (step 109), and the closed area including (x, y) is colored with (R, G, B) (step 111). . When the paint process is completed, the color designation information is erased from the screen (FIG. 4C, step 110). The series of processing described here is repeated until the coloring of the chromatic color line drawing is completed.

FIG. 3 shows an example of the paint processing. As described above, when coloring a closed area, it is necessary to specify at least the arbitrary coordinates included in the closed area and the color value to be colored.How to use these values to color the closed area is In general there are several. Here, a method using a recursive call will be described.

The value of (x, y) passed from step 110 is saved to work coordinates (a, b) (step 20).
1). It is checked whether (a, b) is on the line drawing and the color (a, b) of the line drawing does not indicate a boundary line (step 202). If the condition is not satisfied, the process returns (step 202). 208). If the condition is satisfied, the color (a, b) of the line drawing is changed to the color value (R, G, B) passed from step 110 (step 203). Then, the coordinates of (a, b) are generated in (x, y) (steps 204 to 207), and the paint processing is recursively called (step 209). As a result, the color values (R, G,
B) starts, and the search around the coordinates around (x, y) is continued while sequentially expanding the search range, until the boundary line or the end of the colored line drawing is hit, that is, all inside the closed area. (R, G, B).

The colored line drawing storage unit 18 stores the colored line drawing colored up to the above stage in the storage device 13.

Referring to FIG. 5, an image coloring apparatus according to another embodiment of the present invention comprises an input device 21, storage devices 22, 23, a display device 24, a recording medium 25, and a data processing device 26. The input device 21 is a pointing device, a keyboard, or the like for a user to input a predetermined coloring color and its name. Storage device 22
Corresponds to the storage device 13 in FIG. The storage device 22 is a hard disk. The display device 23 corresponds to the image display device 19 in FIG. The recording medium 24 includes a color designation information generation unit 11, a color designation information storage unit 12, a chromatic color line drawing reading unit 14, a chromatic color line drawing display unit 15, a color designation information reading unit 16, a coloring unit 17, F recorded from a coloring processing program consisting of each processing of the line drawing storage unit 18
It is a recording medium such as D (floppy disk), CD-ROM, and MO (magneto-optical disk). Data processing device 2
A CPU 5 reads an image coloring program from the recording medium 24 and executes the program.

[0025]

As described above, according to the present invention,
When coloring a line image whose color is predetermined in advance, such as that used for animation production, etc. with digitalized line image data, the coloring operator attempts to color with a small amount of movement of the pointing device. Can be designated, and the labor of the coloring operator can be reduced.

[Brief description of the drawings]

FIG. 1 is a configuration diagram of an image coloring apparatus according to an embodiment of the present invention.

FIG. 2 is a flowchart showing processing of an image coloring processing unit 17;

FIG. 3 is a flowchart illustrating a process of an image coloring processing unit 17;

FIG. 4 is a diagram illustrating a display example in the process of image coloring processing.

FIG. 5 is a configuration diagram of an image coloring apparatus according to another embodiment of the present invention.

FIG. 6 is a diagram illustrating a general example of directly specifying a color value.

FIG. 7 is a diagram illustrating a general example in which a same color as a color to be colored is searched for in another place of the display device, and a color value is designated by designating the same with a pointing device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 11 Color specification information generation part 12 Color specification information storage part 13 Storage device 14 Colored line drawing reading part 15 Colored line drawing display part 16 Color specification information reading part 17 Coloring part 18 Colored line drawing storage part 19 Image display 101-111, 201 to 209 Step 21 Input device 22, 23 Storage device 24 Display device 25 Recording medium 26 Data processing device

Claims (10)

[Claims] When a coloring operator designates a closed area to be colored on a colored line drawing by using a pointing device, color designation information corresponding to a predetermined coloring color which is created in advance and its name is created. The color designation information is displayed at the coordinates, and the closed area including the coordinates previously designated by the pointing device is colored with the color designated by the pointing device by the coloring operator on the displayed color designation information. Image coloring method. 2. A color specification information generating step of generating color specification information corresponding to a predetermined color to be colored and the name thereof in accordance with an instruction of a coloring operator, and a color for storing the generated color specification information in a storage device. A designation information storing step; a chromatic color line drawing reading step for reading a chromatic color line drawing from the storage device; a chromatic color line drawing display step for displaying the read chromatic color line drawing on an image display device; and the color designation from the storage device. Reading the color designation information to read the information; displaying the color designation information at the coordinates designated by the coloring operator using the pointing device on the image display device; and displaying the closed area including the designated coordinates on the displayed color designation information. There is a coloring stage in which the color is colored with the color specified by the pointing device on the pointing device, and a colored line drawing saving stage in which the colored line drawing is stored in the storage device. Image coloring method. 3. The coloring step includes: a coloring operator designating an arbitrary point in a closed area to be colored on the image display device with a pointing device, and acquiring coordinates of the point; Judging whether or not it is above, and, if the coordinates are on the color line drawing, displaying the color designation information so as to be superimposed on the position of the coordinates on the color line drawing; and Using a pointing device to specify the color specification information of the color to be colored on the displayed color specification information; obtaining the color value of the specified color specification information; and setting the closed area including the coordinates to the color. 3. The method according to claim 2, further comprising the steps of: coloring by a value; and erasing the color designation information from the screen, and repeating the series of processes until the coloring of the chromatic color line drawing is completed. 4. The step of coloring includes retreating the coordinates to working coordinates, wherein the working coordinates are on the color line drawing, and the color of the working coordinates of the color line drawing is 4. The method according to claim 3, further comprising the step of changing the color of the working coordinates to the color value if it does not represent a boundary line, and the step of changing the color around the working coordinates in the same manner to the color value. the method of. 5. A color specification information generating means for generating color specification information corresponding to a predetermined color to be colored and its name in accordance with an instruction of a coloring operator, a storage device, and storing the generated color specification information. A color designation information storage unit to be stored in the device; a chromatic color line drawing reading unit that reads a chromatic color line drawing from the storage device; a chromatic color line drawing display unit that displays the read chromatic color line drawing on an image display device; A color designation information reading means for reading the color designation information from the device; and a color operator displaying the color designation information at coordinates designated by a pointing device on the image display device, and displaying a closed area including the designated coordinates. A coloring means for coloring with a color designated by a coloring device on a pointing device based on the specified color designation information, and a color for storing the colored linework which has been colored in the storage device. Image color device having a line image storage means. 6. A coloring means, wherein a coloring operator designates an arbitrary point of a closed area to be colored on the image display device with a pointing device, and acquires coordinates of the point, and the coordinates are displayed on the color line drawing. Means for judging whether or not, if the coordinates are on the color line drawing, means for superimposing and displaying the color designation information at the position of the coordinates on the color line drawing; and Means for specifying the color specification information of the color to be colored on the specified color specification information with a pointing device; means for obtaining the color value of the specified color specification information; and setting the closed area including the coordinates to the color value. 6. The apparatus according to claim 5, further comprising: means for coloring by means of: and means for erasing the color designation information from the screen. 7. The means for coloring includes means for retreating the coordinates to working coordinates, wherein the working coordinates are on the color line drawing, and the color of the working coordinates of the color line drawing is a boundary. If a line is not represented, means for changing the color of the working coordinates to the color value, and means for changing to the color value in the same manner for coordinates around the working coordinates,
The device according to claim 6. 8. A color designation information generating process for generating color designation information corresponding to a predetermined color to be colored and its name in accordance with an instruction of a coloring operator, and a color for storing the created color designation information in a storage device. Designation information storage processing; chromatic color line drawing reading processing for reading chromatic color line drawings from a storage device; chromatic color line drawing display processing for displaying the read chromatic color line drawings on an image display device; and the color designation information from the storage device. Reading the color designation information, and displaying the color designation information at the coordinates specified by the pointing device on the image display device by the coloring operator, and setting the closed area including the designated coordinates to the displayed color designation information. In the above, the color processing for coloring with the color specified by the coloring operator with the pointing device and the processing for storing the colored line drawing that stores the colored line drawing that has been colored are stored in the storage device. A recording medium on which an image coloring program to be executed by a computer is recorded. 9. The coloring process includes: when a coloring operator designates an arbitrary point in a closed area to be colored on the image display device by using a pointing device, a process of acquiring the coordinates; A process of determining whether or not the color is located above; if the coordinates are on the color line drawing, a process of superimposing and displaying the color designation information at the position of the coordinates on the color line drawing; When the color designation information of the color to be colored on the displayed color designation information is designated by a pointing device, a step of obtaining a color value of the designated color designation information, and a closed area including the coordinates is represented by the color value. The recording medium according to claim 8, further comprising: a process of coloring; and a process of erasing the color designation information from a screen, and repeating the series of processes until the coloring of the chromatic line image is completed. 10. The coloring process includes a process of saving the coordinates to work coordinates and a process in which the work coordinates are on the chromatic color line drawing and the color of the work coordinates of the chromatic color line drawing is a boundary. If it does not represent a line, it has a process of changing the color of the working coordinates to the color value, and a process of changing the color around the working coordinates to the color value in the same manner.
The recording medium according to claim 9.