JP2881884B2 - Document creation device - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a document creation device such as a Japanese desktop publishing system (hereinafter referred to as DTP) or a Japanese word processor.

2. Description of the Related Art In recent years, in DTP and the like, a character pattern is represented with a small amount of information, a character pattern is represented by a coordinate sequence of points on the contour line, and transformation such as enlargement, reduction, rotation, italic, etc. is performed using coordinate transformation. Outline fonts that can be performed easily and easily are becoming popular.

 Hereinafter, a conventional document creation apparatus will be described.

FIG. 8 shows an example of a conventional document creation device.
81 is a vector data storage unit for storing outline font vector data, and 82 is data of a dot map font (hereinafter referred to as dot map data) expressing the vector data of the outline font with all the dots forming a character pattern forming the character. The dot map data generator that converts to dot, 83 is an emphasis character generator that generates emphasis characters by superimposing dot map data, and 84 converts the dot map data and converts them to characters such as enlargement, reduction, rotation, italics, etc. The first character conversion unit 85 performs coordinate conversion on vector data of the outline font, and the second character conversion unit 85 performs conversion such as enlargement / reduction / rotation / italics on characters, and 86 controls input / output of data. A control unit 87, an input unit 87, and an output unit 88.

In the conventional document creating apparatus configured as described above, the designated character is subjected to conversion such as enlargement / reduction / rotation / italicity, etc., according to the flowchart shown in FIG. The operation up to this point will be described.

First, when a character code is input from the input unit 87 in step 91, the control unit 86 obtains vector data of an outline font having the input code from the vector data storage unit 81 in step 92. Next, in step 93, the vector data is subjected to coordinate conversion by the first character conversion unit 84, and then, in step 94, is converted to dot map data by the dot map generation unit 82. Then, in step 95, the dot map data is shifted and superimposed by the emphasized character generation unit 83 in accordance with the degree of character emphasis, and is output to the output unit 88 as emphasized characters.

Enlarged / reduced /
When performing character conversion such as rotation and italics, the first character conversion unit
By performing the processing in units of dots at 84, new dot map data converted into characters is generated.

SUMMARY OF THE INVENTION However, in the above conventional configuration, when generating an emphasized character, the dot map data of the character must be shifted a plurality of times in accordance with the degree of emphasis of the character and overlapped a plurality of times. Had a problem in that respect. In addition, when performing conversion such as enlargement / reduction / rotation / italicization on a character output as an emphasized character, the conversion must be performed for each dot constituting the character, and the processing is complicated.

Means for Solving the Problems In order to solve the above problem, the present invention provides a method of converting a character pattern into vector data represented by a coordinate sequence of points on the contour line when performing conversion such as enlargement / reduction / rotation / italics. Character conversion means for performing coordinate conversion according to the conversion content, emphasis width designating means for specifying an emphasis width when emphasizing a character, and performing coordinate conversion based on the emphasis width on the vector data, thereby enhancing the character. There is provided an emphasis vector data generating means for generating emphasis vector data in which the character pattern is represented by a coordinate sequence of a bending point of the contour line, and an emphasis vector data storage means for storing the emphasis vector data.

Effect of the Invention With the above-described configuration, the present invention performs character-based conversion such as enlargement / reduction / rotation / italicization, and emphasizes and outputs the character data. After the conversion means converts the character pattern into vector data representing the outline of the character pattern after conversion, the enhancement vector data is generated based on the specified enhancement width, and the enhancement vector data is converted into bit pattern data. ,Output. In addition, when performing conversion on a character once output, after performing coordinate conversion on the emphasized vector data,
Convert to bit pattern data and output.

Embodiment FIG. 1 is a functional block diagram of a document creating apparatus according to an embodiment of the present invention.

In FIG. 1, reference numeral 1 denotes a first vector data storage unit that stores an outline font as vector data, 2 denotes an emphasis width specifying unit that specifies an emphasis width when emphasizing a character, and 3 denotes a specified emphasis width. The coordinate vector conversion unit 4 performs a coordinate conversion on the vector data according to, and generates an outline font vector data after the character enhancement. The enhancement vector data generation unit 4 performs a character conversion such as enlargement / reduction / rotation / italicization on the character. A character conversion unit that performs coordinate conversion on the data and the emphasis vector data in accordance with the conversion content; 5 a second vector data storage unit that temporarily stores vector data and emphasis vector data that have been subjected to coordinate conversion for character conversion; Reference numeral 6 denotes a dot map generation unit that converts vector data and enhanced vector data into dot map data. Gosuru control unit, 8 input unit, 9 is an output unit.

In the document creating apparatus of the present embodiment configured as described above, the designated characters are emphasized, and
The operation performed after the conversion such as rotation and italics until output is described with reference to the flowchart shown in FIG.

First, in step 21, a character code of a character to be output is input from the input unit 8, and in step 22, vector data corresponding to the input character code is read. Next, in step 23, the enhancement vector generation unit 3
Converts the read vector data according to the designated character emphasis width to generate emphasis vector data. Hereinafter, the operation of the emphasis vector generation unit 3 will be described with reference to the flowchart shown in FIG.

Here, as shown in FIG. 4, in the vector a from the point A to the point B and the vector b from the point B to the point C on the plane, outside the vector, The left side of the line of action and the angle formed by the vectors are defined as the left side corner of the vector formed by the vectors a and b.

Now, it is assumed that a character pattern represented by a coordinate sequence {p1, p2,..., Pn} (n is a natural number) is emphasized with an emphasis width d. First, at step 31, 1 is set to a coordinate counter i for counting coordinates. Next, step 32
Then, the number of coordinates n in the coordinate sequence is compared with the value of i. If i <= n, the process proceeds to step 33. In step 33, vectors pi and p (i +) from pi to p (i + 1)
A vector P (i + 1) from 1) to p (i + 2) is defined. Next, in step 34, the magnitude of the angle formed by the vector Pi and the vector P (i + 1) is 0 degree or more.
It is determined whether the angle is equal to or less than 0 degrees or equal to or more than 180 degrees and equal to or less than 360 degrees. As a result of the determination, in the case of the former, go to step 36,
In the latter case, the processing shifts to step 35. In step 35, as shown in FIG. 5, a parallel line of the vector Pi separated by a distance d outside the vector Pi and the vector P (i +
The intersection of the parallel lines of the vector P (i + 1) separated by a distance d outside of 1) is set as the coordinates qm of the emphasized vector data. In step 36, as shown in FIG.
Vector on a straight line passing through (i + 1) and perpendicular to vector Pi
A point qm outside Pi, at a distance d from p (i + 1),
outside the vector P (i + 1) on a straight line passing through p (i + 1) and perpendicular to the vector P (i + 1), p (i + 1)
Is set at a point q (m + 1) at a distance d from. Step 35
Alternatively, when the process ends in step 36, the value of the coordinate counter is incremented by 1 in step 37, and the process proceeds to step 32 again.

The processing from step 32 to step 37 is performed by the coordinate sequence ｛p
When done for all coordinates of 1, p2, ..., Pn｝,
The enhancement vector data is stored in the second vector data storage unit 5, and the processing in the enhancement vector generation unit 3 ends. For example, as shown in FIG. 7, when vector data {p1, p2,..., P6} of the character [L] is converted into emphasized vector data, a coordinate sequence {q1, q2,. ｝ Is obtained.

Next, in FIG. 2, in step 24, the emphasized vector data is subjected to coordinate conversion in accordance with conversion of designated contents such as enlargement / reduction / rotation / italicization in the character conversion unit 4, and the second vector data storage unit 5 Is stored. Then, step
At 25, the data is converted into dot map data by the dot map generator 6, and then output to the output unit 9.

As described above, according to the present embodiment, the character emphasizing operation is performed by the coordinate conversion, so that the processing speed of the character emphasis is improved.
Further, according to the present embodiment, the character pattern after emphasis is stored as vector data.
Character conversion such as reduction, rotation, and italics can be easily performed.

According to the present invention, the character pattern after the character emphasis is represented by a coordinate sequence of points on the outline thereof, and the coordinate sequence is stored even after the emphasized character is output. The character conversion after the character output can be easily performed only by performing the coordinate conversion of the contents specified in the coordinate sequence.

[Brief description of the drawings]

FIG. 1 is a functional block diagram of a document processing apparatus according to an embodiment of the present invention, FIGS. 2 and 3 are flowcharts showing the operation of the document processing apparatus, and FIG. 4 is a vector used to describe the operation of the document processing apparatus. Definition diagrams, FIGS. 5 and 6 are diagrams for explaining the operation for generating the enhancement vector data, FIG. 7 is a diagram showing an example of the case where the enhancement vector data is actually generated, and FIG. FIG. 9 is a functional block diagram of the apparatus, and FIG. 9 is a flowchart showing the operation of the conventional document creation apparatus. DESCRIPTION OF SYMBOLS 1 ... 1st vector storage part 2 ... Emphasis width designation part, 3 ... Emphasis vector generation part 4 ... Character conversion part, 5 ... Second vector storage part 6 ... Dot map generation part, 7 ... Control part 8 ... Input part, 9 … Output section

Claims (1)

(57) [Claims] 1. An input means for inputting data, a means for storing vector data representing a character pattern by a coordinate sequence of points on the contour line, and converting the vector data to convert the character pattern on the contour line and the contour. An apparatus comprising: means for generating dot data represented by dots in a portion surrounded by a line; and output means for outputting a character specified based on the dot data, wherein the character is enlarged, reduced, rotated, Character conversion means for performing coordinate conversion according to the content of conversion on the vector data when performing conversion such as italic; enhancement width designation means for designating an enhancement width when emphasizing characters; An enhancement vector data generating means for performing coordinate conversion based on the above, and generating enhancement vector data representing a character pattern of the enhanced character by a coordinate sequence of points on the outline thereof; A document creation device, comprising: enhancement vector data storage means for storing enhancement vector data.