JP2936546B2 - Character centering device and processing device equipped with this device - Google Patents

Description

The present invention relates to a document processing device such as a word processor.
In particular, the present invention relates to a centering process for centering a display character string.

[Prior art] Conventional word processors, word processing software, tables,
Document processing apparatuses such as a computer operated with drawing software are disclosed in JP-A-62-128356, JP-A-62-128357 and JP-A-62-128357.
As described in Japanese Patent Application Laid-Open No. 62-61152, when performing centering of a display character string or the like, move the target character string or the like to the center between the left end and the right end of the screen, or specify a specific space between left and right indents or between ruled lines. Is moved to the center of the target character string.

[Problems to be Solved by the Invention] The conventional centering processing merely centers a character string to be centered between left and right edges of the screen, between left and right indents, and between left and right ruled lines. In other words, row (horizontal)
Only directional centering was considered. Also, centering processing can be performed only between specific symbols such as screen edges, indents, and ruled lines. Further, for example, when it is desired to center a character example in a space sandwiched between upper and lower ruled lines, that is, an open space having no ruled lines in the horizontal direction, in the open space, there is no ruled line on the left and right of the character string to be centered. There is a problem that the character string is centered at the center of the left and right ends of the screen, and comes to a position shifted from the upper and lower ruled lines.

In a conventional document processing device that only inputs characters, a centering processing function in the horizontal direction was sufficient.However, recently, tabulation and drawing functions were included in the document processing functions. Incorporating, not only creating a document, but also creating a document etc. in consideration of the layout of the created document etc., centering only in the horizontal direction is inconvenient, and sufficiently responds to the needs of the user. I can no longer do it.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a character centering device that enables centering in an arbitrary direction in an arbitrary graphic, and a document processing device including the device.

Means for Solving the Problems In order to achieve the above object, the present invention provides a processing apparatus for centering a centering target displayed on a display device in an arbitrary direction in an arbitrary figure, comprising: Means for specifying the centering target, means for inputting a first virtual line specifying a direction in which the centering target is centered, and coordinates of two intersections of the input first virtual line and the arbitrary figure Calculating means for calculating a middle point coordinate between the two intersections, and a display means for centering the centering target at a position centered on the intermediate coordinates and displaying the centered object at the display position. This is the feature of 1.

Further, the present invention, in the processing device having the above feature, further comprising: means for connecting an end of an open portion of the open graphic with a second virtual line when the arbitrary graphic is an open graphic; A second feature is that the coordinates of two intersections between a second virtual line and the first virtual line are calculated.

The present invention also provides, in a processing device, a centering input instructing means, and a center line calculating means for obtaining a center curve or a center approximate curve of both curves from two opposite curves of a displayed open space graphic or closed space graphic, A third feature is that there is provided a centering means for displaying a centering target along the line obtained by the center line calculating means in response to an input instruction of the centering input instructing means.

Further, the present invention, in the character centering device, a centering instruction input means, and calculates both intersections of any vertical or oblique virtual line of any displayed closed space graphic and the closed space graphic, A midpoint calculating means for calculating a midpoint coordinate between the two intersections, a character string length calculating means for calculating a length of the target character string, and a center of the determined character string length determined by the center calculated by the midpoint calculating means. A fourth feature is that there is provided a centering means for moving and displaying the coordinate position by the input instruction from the centering instruction input means.

[Operation] According to the present invention, centering can be performed in an arbitrary direction of an arbitrary figure (an arbitrary sign, a figure created with characters, etc., not limited to a figure drawn with indents or ruled lines), and centering with respect to an open space is also possible. In addition, if a character string arranged in a line is centered as it is, it will protrude outside the figure. When centering in a figure surrounded by a curve, the character string can be centered along the curve according to the curve. In addition, the usability of the document processing apparatus is improved, and the processing function can be improved.

EXAMPLES Hereinafter, preferred examples of the present invention will be described with reference to the drawings.

FIG. 1 is a block diagram of a document processing apparatus according to an embodiment of the present invention. The document processing device includes a keyboard 1 as an input device, an external storage device 2, an arithmetic control unit 3,
And a CRT 10 as a display device. The arithmetic control unit 3 includes an input text length calculation unit 4 and an end point coordinate calculation unit 5
A text display area calculation unit 6, a middle point coordinate calculation unit between end points, an input text central character search unit 8, and a display control unit 9 for controlling the CRT 10.

FIG. 2 is a flowchart showing a horizontal centering processing procedure performed by the document processing apparatus shown in FIG. When a predetermined centering instruction key (not shown) of the keyboard 1 shown in FIG. 1 is pressed, first, the calculation unit 3 calculates the length of the text (character string) to be centered (step 2).
1). In the next step 22, the coordinates of the character string displayable area to be centered are calculated, and the coordinates of both end points of the centering target line of the closed space graphic are calculated. The coordinates (m, n) of the corresponding end point are the lit pixels in the row (pixels that are turned off when the screen is highlighted)
Of the coordinates of the closed space figure are searched for and calculated. Here, the coordinates (m, n) are the positions of rows and columns of dots on the CRT 10 display screen expressed by dots (pixels), that is, the positions of the m-th row and the n-th column. Therefore, both m and n are positive integers.

In the next step 23, the width (region length) between the coordinates of the end points obtained in step 22 is calculated. Then, in step 24, the coordinates of the intermediate point between the coordinates of the end points obtained in step 22 are calculated. Next, the character at the center of the character string whose text length is determined in step 21 is searched, and the character string display position is determined so that the central character is set to the coordinate position of the intermediate point determined in step 24 (step 25). In the next step 26, the centering target character string is moved to that position and displayed.

The horizontal centering processing procedure has been described above. The outline of the centering processing will be specifically described with reference to FIG.

The closed space figure shown in FIG. 3 is drawn on the screen of the CRT 10 using, for example, a mouse (not shown), and the character string “input text” is brought to the “input” position by bringing the cursor for keyboard input to the keyboard. 1 or read from the storage device 2 and displayed. In this case, since the character string “input text” is centered in the closed space figure in that line (m line), both end points of the character string line are points A and B.

The character string length calculated in step 21 of FIG. 2 is L in this case. The character string length is, for example, one full-width character is "2",
One half-width character is counted as "1".

Next, the coordinates of the left end A and the right end B are calculated (step 2).
2). The coordinates of the obtained left end A are (m, n ₁ ), and the coordinates of the right end B are (m, n ₂ ). In addition, the length (area length) of a character string that can be displayed between the right end A and the left end B is calculated (step 23). In this case, the area length between the end points A and B is n ₂ −n ₁ −1
Becomes Here, the length of the text to be centered is the end point A,
When the area length exceeds B, that is, when L> n ₂ −n ₁ −1, if the centering is performed, the text protrudes from the closed space figure. Therefore, it is another instruction whether or not to center the character string. You have to wait for input. Alternatively, in the case where it runs off, the centering process is automatically canceled. Next, the coordinates of the midpoint M between the end points A and B are calculated (step 24). Thereby, the coordinates of the midpoint between the end points (m, [(n ₁ + n ₂ ) / 2]) are obtained. (Here, the notation [x] by brackets represents the largest integer not exceeding x.) .

The character at the center of the input text is calculated by [(L + 1] / 2] to find the number of the character from the beginning of the character string, and in the example of “input text”, “g” is searched. character, the end points a, the midpoint between B (m, [(n ₁ + n ₂₎ /
2)), the starting coordinates at which the display of the text is started are calculated (step 25). Here, the head coordinates, (m, _{[(n 1 + n 2) /} 2 ]) is obtained by + [(L-1) / 2]. Next, the input text, coordinates (m, _{[(n 1 + n 2) /} 2 ]) - to display from the position of [(L-1) / 2] (step 26).

According to the above embodiment, the character centering display is performed as follows. One-byte character string "CLOUD" coordinates (7,5)
Is entered as the start position. The centering process of “CLOUD” will be described with reference to FIG. 4 using specific coordinate values.

When five half-width characters are input, the input text length is 5 × 1 = 5. The seventh of the closed space figure surrounding the character
In the row, the coordinates of the left end A are (7,4), and the coordinates of the right end B are (7,1).
6). When the area length between the end points A and B is calculated, 16-4-
1 = 11. Also, the coordinates of the midpoint between the end points A and B can be calculated as (7, [(16 + 4] / 2)) = (7, 10) The central character of the character string is counted from the beginning and [(5 + 1) / 2] = third “O”, so to place this “O” at the midpoint coordinates (7,10) between end points A and B, the character string must be expressed as (7, [(16 + 4) / 2]-[(5-1) / 2]) = (7,8).
"D" is displayed from the coordinates (7,8).

In this way, by calculating the input text length, the coordinates of the character at the center of the input text, the coordinates of the end point and its midpoint, and the length of the area between the end points, the center of the text character example can be easily centered in an arbitrary figure. it can.

Next, centering in the column (vertical) direction in an arbitrary figure will be described. FIG. 5 is a flowchart showing a vertical character center alignment processing procedure. The operation of the control unit 3 in the character centering display processing in the column direction includes a text length calculation step 51 for calculating the text length of the text to be centered, and the upper end A of the closed space graphic in the column direction in which the character string is displayed. And end point coordinate calculation step 52 for calculating end point coordinates of the lower end B, and end point middle point coordinate calculation step 53 for calculating middle point coordinates between the end points A and B. Text display line determination for determining a line for centering and displaying text. Step 54,
And a screen display step 55 for displaying the input text on the screen. In this column direction centering process, when there are a plurality of character strings and any one of them is selected for centering, the range of the centering target character example is specified.

Next, a specific processing outline will be described with reference to FIG. First, the length L of the text to be centered (“input text” in the example of FIG. 6) is calculated. Next, the coordinates (m ₁ , m ₂ ) of the upper end A and the coordinates (m ₂ , n ₂ ) of the lower end B in the displayed column range of the character string (“input text”) are calculated. Then, the coordinates ([(m ₁ + m ₂ ) / 2], [(n ₁ + n ₂ ) / 2]) of the middle point between the end points A and B are calculated, and [(m ₁ + M ₂ ) / 2] Move the input text to the line and display it. Here, if the length of the character string displayable area between the left end A 'and the right end B' of the middle point line is smaller than the input text length L, the text to be centered protrudes from the closed space graphic. Is displayed after waiting for another instruction input from the keyboard 1. Alternatively, when the data is out of the center, the centering process is automatically canceled.

In each of the embodiments described above, the character centering display processing in the row direction and the column direction is performed. Next, the character centering display processing in the diagonal direction will be described with reference to FIGS. 7 and 8. FIG.

FIG. 7 is a flowchart showing the display processing procedure of the character centering in the oblique direction. The operation of the control unit 3 in the character centering process in the oblique direction includes an input text length calculation step 71 for calculating the text length of the text to be centered,
Intersection coordinate calculation step 72 for calculating the coordinates of the intersection of a virtual line passing through two points input from the giboard 1 or a mouse (not shown) and a closed space figure in order to determine a basic straight line (virtual line) for obliquely centering. And an intermediate point coordinate calculation step 73 for calculating the intermediate point coordinates between the intersections, and a text display position determining step 74 for determining the display position of the text.
And a screen display step 75 for centering and displaying the target text on the screen.

The outline of the display method of centering the character in the oblique direction is as shown in FIG. A text is input into the closed space graphic G. P and Q for defining a virtual line segment intersecting with the closed space graphic G are input. As a result, intersections A and B between the line segment PQ and the closed space graphic G are obtained.
Is obtained, and the target character string is moved and displayed such that the center character of the character string is located at the midpoint M, as in the above-described embodiment, thereby enabling centering in an oblique direction. .

Next, specific processing contents will be described. First, the length L of the input text is calculated. Next, the coordinates of the intersections A and B between the line segment connecting the input two points P and Q and the figure G are calculated. Here, the coordinates of the intersection A are (m ₁ , n ₁ ) and the intersection B
Is (m ₂ , n ₂ ). Then, the coordinates ([(m ₁ + m ₂ ) / 2], [(n ₁ + n ₂ ) / 2]) of the midpoint M of the intersections A and B are calculated, and the centering display position of the text is determined. Display.

In this way, the display of the center of the character in the oblique direction can be performed in the same manner as in the above-described embodiments.

The above is an example in which the center of the text is displayed for a completely enclosed figure (closed space figure). However, when a part of the figure is open, that is, the character center is displayed for the open space figure. An embodiment in which the shifting is performed will be described.

FIG. 9 is an explanatory diagram of the case where the center of the character is performed on the open space graphic.

The centering of the text ("large sale" in the example of FIG. 9) inside the line segment 91 connecting the two points A and B and the line segment 92 connecting the two points C and D is shown. In the operation of the control unit 3 in this case, the second
Between the target text length calculation step 21 and the end point coordinate calculation step 22 described in the figure, each of the end points A and C and the end points of the two line segments
Closed space figure by considering virtual line segments 95 and 96 connecting B and D
A configuration in which a virtual closed space figure creation step for virtually creating an ABDC is added. Therefore, the operation of the control unit 3 is as follows. Text length L of text to be centered
Is calculated. Next, a virtual closed space figure ABDC composed of a line segment 91 and a line segment 92 is created. Then, after calculating the coordinates of the end points 93 and 94 of the line having the target text in the graphic ABDC and calculating the area length between the end points 93 and 94, the text display position is set in the same manner as in the embodiment described in FIG. And the text is centered and displayed.

In this embodiment in the open space figure, the text is centered in the row direction. However, in order to perform the text centering in the column direction in the open space figure having an open portion at the top and bottom,
As described above, this can be dealt with by providing a virtual closed space figure creating step.

Furthermore, in order to display the text in the diagonal direction with the center aligned, if the display has an open portion in the diagonal direction, it can be dealt with by providing a virtual closed space figure creating step similar to that described above.

Next, when performing text centered display in a closed space graphic or an open space graphic surrounded by a curve having a large flattening rate, the text often protrudes outside the graphic. In order to display the centered text in the figure, the following is performed.

FIG. 10 is an explanatory diagram of a case where text is centered and displayed within a figure surrounded by a curve having a large flattening rate. Center curve l equidistant from curves l ₁ and l _2
Find the approximate function of ₃ . Further, the coordinates of the midpoints A and B of the line connecting the end points of the curves l ₁ and l ₂ are calculated. Next, AM = BM (or even linear distance may be a distance on the curve. To Both,. By another instruction input) calculates coordinates of the midpoint M on the curve l ₃ satisfying. However, since the protruding from the graphic when displaying a central character in the text to be positioned in M, the both sides of the character by using the approximation function expression of the curve l ₃ as characters on both sides of the central character is positioned on the curve l ₃ Calculate the coordinates to be displayed. Repeat until no more character strings are displayed. FIG. 11 shows an example of such a display.

In this way, surrounded by a large curve of Tairaka rate by displaying displays both ends A, central character midpoint M in the text of B midline l ₃ so as to be positioned midline also other characters The centered display in the figure can be realized.

As described above, even in an open space figure or a closed space figure, and even if a graphic component is a straight line or any curve,
The centered display of the text can be easily realized, and a user-friendly document processing device can be obtained.

[Effects of the Invention] According to the present invention, a target character string or the like in an arbitrary figure can be centered in an arbitrary direction, and there is an effect that creation or editing of a document or the like is facilitated.

[Brief description of the drawings]

FIG. 1 is a block diagram of a document processing apparatus according to one embodiment of the present invention, and FIG. 2 shows a processing procedure when centering processing according to one embodiment of the present invention is applied in a row direction in a closed space. Flow charts, FIGS. 3 and 4 are specific descriptions of the embodiment shown in FIG. 2, and FIG. 5 is a processing procedure when the centering processing according to one embodiment of the present invention is applied in the column direction in a closed space. FIG. 6 is a specific explanatory view of the embodiment shown in FIG. 5, and FIG. 7 shows a processing procedure when the centering processing according to an embodiment of the present invention is applied in an oblique direction of a closed space. FIG. 8 is a specific explanatory diagram of the embodiment shown in FIG. 7, and FIG. 9 is a specific explanatory diagram in the case where the centering process according to one embodiment of the present invention is applied in the lateral direction of the open space. FIG. 10 shows a centering process according to an embodiment of the present invention. Specifically illustration of the application of the processing within and surrounded by a large curve rate figures, FIG. 11 is a diagram showing a display example after the centering process described in FIG. 10. DESCRIPTION OF SYMBOLS 1 ... Keyboard, 2 ... Storage device, 3 ... Operation control part, 4 ... Input text length calculation part, 5 ... End point coordinate calculation part, 6 ... Text display area calculation part, 7 ... Between end points Point coordinate calculation section, 8 ... Input text central character search section, 9 ...
... Display control unit, 10 ... Display device.

Claims (4)

(57) [Claims] 1. A processing device for centering a centering object displayed on a display device in an arbitrary direction in an arbitrary figure, a centering instruction input means, a means for designating the centering object, and centering the centering object. Means for inputting a first virtual line specifying a direction to be performed, calculating coordinates of two intersections of the input first virtual line and the arbitrary figure, and calculating a middle point coordinate between the two intersections A processing device, comprising: a calculating means for calculating; and a display means for centering the centering target at a position centered on the intermediate coordinates and displaying the centered object on the display device. 2. The apparatus according to claim 1, further comprising: means for connecting an end of an open portion of the open figure with a second virtual line when the arbitrary figure is an open figure; The processing device according to claim 1, wherein coordinates of two intersections of the first virtual line are calculated. 3. A centering input instructing means, and a counterpart of the displayed open space graphic or closed space graphic.
A center line calculating means for obtaining a center curve or a center approximate curve of both curves from the two curves; and a centering means for displaying a centering target along the line obtained by the center line calculating means in accordance with an input instruction of the centering input instructing means. A processing device comprising: 4. A centering instruction input means, and an intersection between an arbitrary virtual or oblique direction virtual line of an arbitrary displayed closed space graphic and said closed space graphic is calculated. A midpoint calculating means for calculating point coordinates, a character string length calculating means for calculating the length of the target character string, and the centering instruction to set the center of the obtained character string length to the center coordinate position obtained by the midpoint calculating means. A centering means for moving and displaying the character according to an input instruction from the input means.