JPH0981546A - Method for coding of documet with text character and method for transmission of document coded by said method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain method by which the document having a text character can be encoded and the document can be transmitted and restored. SOLUTION: These methods have a step composing the font memory provided with a first memory area in which a plurality of basic unit information is stored and a second memory area in which a plurality of character information is stored, a step designating the user definition code corresponding to a selected text character for a document when the text character is selected and the character is found in the font memory and storing the designated user definition code in the character information area of the font file, and a step designating the user definition code corresponding to the selected text character, storing the designated user definition code in the character information area of the font file, generating the contour data of the selected text character and storing the data as the character information of the selected text character in the font file, when the selected text character does not exist in the font memory.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for encoding a document having text characters and a method for transmitting a document having text characters from a sending computer system side to a receiving computer system side.

[0002]

2. Description of the Related Art Up to now, in order to transmit a document, a method of encoding the document with a standard code or a method of converting the document into image data has been used. However, in the former, the standard code depends on the language of the document, for example, the ASCII code or the EBCDIC code is used for the English document, and the JIS is used for the Japanese document.
Code is used, and for Chinese documents, Taiwanese side uses CNS code or BIG-5 code,
And the Chinese side uses the GB code. Therefore, even if there is a receiving computer system capable of recovering documents in some languages, none of them can completely decode the standard code used all over the world.

On the other hand, in the latter method, a document can be converted into image data by a digital scanner and the image data can be transmitted, but the storage device requires a huge capacity,
There is a problem that the transmission time also becomes long.

[0004]

SUMMARY OF THE INVENTION Therefore, the present invention has been made to solve the above drawbacks of the prior art, and provides a method for encoding a document having text characters and the method for encoding the document. It is an object of the present invention to provide a method capable of transmitting a document from a sending computer system side to a receiving computer system side and restoring the document regardless of language.

[0005]

According to the present invention, the first means for achieving this object is as follows: (a) a first memory area for storing a plurality of basic unit information and a plurality of character information. Providing a font memory with a second memory area for storing; (b) selecting one text character in a document; and (c) selecting the selected text character from the font memory. If found, (c1) specify the user-defined code corresponding to the selected text character, store the specified user-defined code in the character information area of a font file, and (c2) select the selected text character. The character information corresponding to is stored in the character information area of the font file, and (c3) basic unit information that constitutes the selected text character. Is stored in the basic unit information area of the font file, and (d) Steps (b) and (c) are performed until the character information of the text characters in the document is stored in the character information area of the font file. And a step of repeating and.

In step (c), if the selected text character is not found in the font memory, a user-defined code corresponding to the selected text character is designated, and the designated user-defined code is designated. The code is stored in the character information area of the font file. Further, the contour data of the selected text character is organized and stored as character information of the selected text character in the character information area of the font file.

Preferably, if the character information of the selected text character is stored in the font file, only the user-defined code corresponding to the selected text character is stored in the character information area of the font file. Then, another text character of the document is selected. Further, on the transmission computer system side, (A) in order to encode a certain document, (a) a first memory area for storing a plurality of basic unit information and a second memory for storing a plurality of character information. Providing a font memory with a region, (b) selecting a text character in a document, and (c) if the selected text character is found in the font memory: c1) Designate a user-defined code corresponding to the selected text character, store the designated user-defined code in the character information area of the font file, and (c2) store the character information corresponding to the selected text character as described above. Stored in the character information area of the font file, and (c3) basic unit information that constitutes the selected text character. Information in the basic unit information area of the font file, and (d) step (b) and step (c) until the character information of the text characters in the document is stored in the character information area of the font file. And (B) transmitting the font file to a certain receiving computer system, and at the receiving computer system side, (C) receiving the font file transmitted from the transmitting computer system. And (D) decoding the received font file and restoring the document to the document.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Japanese Patent Laid-Open No. 61-147288 discloses a character pattern generating / displaying device. This known device relates to a character pattern generation / display device capable of generating and displaying a pattern of characters or the like in a predetermined typeface based on skeleton information, including a central processing unit, a data bus, and a memory storing a program for generating a character pattern. And a memory storing skeleton information (character element data) of each character, a drawing controller, a frame memory, a keyboard, and a CRT.

In the apparatus thus constructed, the character element data of the specified character is read from the character element data memory into the work area, and the pattern generating program for drawing the specified typeface is selected. More basic unit data is read out, and the information (position, position,
According to the size, etc., basic unit data is converted into absolute coordinate values on the screen, a basic unit pattern is drawn, and designated characters are displayed on the CRT.

The present invention, on the other hand, uses a font memory similar to the above-described glyph data memory to encode a document having text characters encoded in a standard code in a primitive computer system, and encode the encoded document in a font file. And a method of transmitting the font file to a receiving computer system by a conventional transmission method (for example, EMail).

An embodiment of the present invention will be described in detail below with reference to FIG. A method of encoding a document having text characters includes the following steps. Step one. First, FIG. 2 shows a font memory 10 including a first memory area 11 storing a plurality of basic unit information and a second memory area 13 storing a plurality of character information. Each of the basic unit information may include its own basic unit ID code and outline data (outlined data) to be displayed in the planned basic unit space, and the outline data may be a Bezier curve, a spline curve or vector data. Further, each of the character information, the position and size of the basic unit constituting the character to be displayed in the planned character space, the orientation value of the basic unit constituting the character to be displayed in the planned character space, and The position of the basic unit that includes the standard code of the character and the ID code of the basic unit that forms each character and that forms the character to be displayed in the predetermined character space is the shift data in the X-axis direction or the Y-axis direction The size of the basic unit that is defined by (Xn, Yn) and constitutes a character to be displayed in the predetermined character space has a magnification factor (Sx,
Sy).

Step 2. Select and encode a single text character in a document. Step 3. Corresponding to the selected text character by the result of comparison with the standard code of the selected text character and the standard code (SD) of the character as the character information stored in the second memory area of the font memory 10. It is determined whether the character information to be stored exists in the font memory.

Step 4. When the selected text character is found in the font memory 10, the user-defined code corresponding to the selected text character is designated, and the designated user-defined code (UD) is designated as shown in FIG. Character information area 23 of font file 20
The character information corresponding to the selected text character is stored in the character information area 2 of the font file 20.
3 and further stores the basic unit information constituting the selected text character in the basic unit information area 21 of the font file 20.

Step 5. If the selected text character is not found in the font memory, the user-defined code (U
D), and the specified user-defined code (UD)
Is stored in the character information area 23 of the font file 20, and the conventional outline generator (outline gene) is used.
contour) of the selected text character is generated by using the (rator) and is stored in the font file 20 as character information of the selected text character. Here, the contour generator is a Fonto Grapher software tool developed by the ALTSYS company. The contour data is directly assigned to a user-defined code (UD) and then specified in the character information area 23 of the font file 20 or in the font file 20.
The basic unit information area 21 can be stored. In the latter case, one ID code is determined for the contour data, and the determined ID code and the contour data are stored in the basic unit information area 21. In addition, the determined ID
The code is also stored in the character information area 23 after the directly defined user-defined code (UD).

Step 6. Before storing the character information of all the text characters in the document in the character information area of the font file 20, step (2)
Repeat steps (5) to (5). In addition, in steps 4 and 5, in order to shorten the redundant information in the font file 20 and to reduce the required memory space, if the character information of the selected text character is the font, If it is stored in the file 20, only the user-defined code (UD) corresponding to the selected text character is stored in the character information area 23 of the font file 20.

Further, the font file 20 has a document drawing area 25 for storing document drawing information.
Having. The document drawing information includes font-related data including a font size, a font style, font characteristics, and text character positions, and a user-defined code of a text character described by the font-related data. Including the drawing language (for example, P
CL / ESCP / POSTSCRIPT). Therefore, when the font file 20 generated by the encoding method of the present invention is completely decoded, even if there is a text character having a different size or font, it can be restored to the original document.

The encoding method of the present invention can be applied to a document having only text characters, or a document having text and some images. For the latter, digital data representing an image of a portion of the document can be stored in the image area of the font file. Also, the font file 20 generated by the method for encoding a document according to the present invention can be stored in a portable information storage medium (eg, floppy disk), and can be transmitted to the receiving computer system through the EMail. You can also It should be noted that the computer system must have the ability to restore the font file 20 to a source document.

[0018]

As described above, according to the present invention, since the font file 20 does not include the image information but the standard code, the following various effects can be obtained. 1) A computer system can restore a document of any language to its original document and display it on a display.

2) OS (operating system)
m) PDR (printer driver rou)
Fine) allows the encoding method of the present invention to be performed. As an example, "Print-to-Fi
The encoding method can be performed by executing the command "le". 3) The capacity of the storage device can be small and the transmission time can be shortened.

4) According to the method of the present invention, a dedicated hardware device for generating the font file 20 can be provided.

[Brief description of drawings]

FIG. 1 is a flowchart illustrating a method for encoding a document according to an embodiment of the present invention.

FIG. 2 is a block diagram illustrating the contents of a font memory used in the method for encoding a document of the present invention.

FIG. 3 is a block diagram illustrating the contents of a font file generated by the method for encoding a document according to the present invention.

[Explanation of symbols]

 10 font memory 11 first memory area storing a plurality of basic unit information 13 second memory area storing a plurality of character information 20 font file 21 basic unit information area 23 character information area 25 document drawing area

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁶ Identification code Office reference number FI Technical display location G09G 5/24 680 9377-5H G09G 5/24 680 H03M 7/30 9382-5K H03M 7/30 Z H04N 1/00 102 H04N 1/00 102B

Claims (22)

[Claims] 1. A font memory (1) comprising: (a) a first memory area (11) storing a plurality of basic unit information and a second memory area (13) storing a plurality of character information.
0), (b) selecting one text character in a document, (c) if the selected text character is found in the font memory (10), (c1) is selected. Specify a user-defined code corresponding to the selected text character, and store the specified user-defined code in the character information area 23 of a font file (20).
(C2) Character information corresponding to the selected text character is stored in the character information area (23) of the font file (20).
And (c3) storing the basic unit information constituting the selected text character in the basic unit information area (21) of the font file (20), (d) the character information of the text character in the document. The character information area 23 of the font file (20)
A method of encoding a document having text characters, the method comprising: repeating steps (b) and (c) before storing in. 2. Between the steps (b) and (d), the selected text character is stored in the font memory (1).
If not, the user-defined code corresponding to the selected text character is designated, and the designated user-defined code is stored in the character information area (23) of the font file (20). Further, outline data of the selected text character is generated, and the font file (20) is used as character information of the selected text character.
A method for encoding a document with text characters according to claim 1, characterized in that it further comprises the step of storing it in the character information area (23). 3. Next to step (b), if the character information of the selected text character is stored in the font file 20, only the user-defined code corresponding to the selected text character is generated. The method of encoding a document with text characters of claim 1, further comprising the step of storing in a character information area 23 of the font file 20 and subsequently selecting another text character of the document. 4. The standard code of the selected text character is compared with the standard code of the character, which is character information stored in the second memory area (13) of the font memory (10), as a result of the comparison. Character information corresponding to the selected text character is stored in the font memory (10).
A method for encoding a document having text characters according to claim 1, characterized in that it is determined if it is present in the document. 5. Each of the basic unit information includes its own basic unit ID code and outline data to be displayed in the planned basic unit space, and each of the character information is displayed in the planned character space. A method for encoding a document having text characters according to claim 1, characterized in that it includes the positions and sizes of the basic units that make up the characters. 6. The text character according to claim 5, wherein the position of the basic unit forming the character to be displayed in the predetermined character space is defined by the shift data in the X-axis direction or the Y-axis direction. A method of encoding a document having. 7. The size of a basic unit forming a character to be displayed in the planned character space is in the X-axis direction or Y.
A method for encoding a document with text characters according to claim 5, characterized in that it is defined by an axial scaling factor. 8. The document having text characters according to claim 5, wherein each basic unit information for displaying in the predetermined character space further includes an orientation value of each basic unit. Method. 9. The method for encoding a document having text characters according to claim 1, further comprising the step of, after step (d), storing the font file 20 in a portable information storage medium. . 10. A document including font-related data including font size, font style, font characteristics, and text character position, and a user-defined code of text characters described by the font-related data. Drawing information, the font file (20)
The method for encoding a document having text characters according to claim 1, further comprising the step of storing the document drawing information (25) in the document. 11. On the transmitting computer system side, (A) a first memory area 11 for storing a plurality of basic unit information for encoding a document, and (a) a first memory area for storing a plurality of character information. 2 memory areas 13
Providing a font memory 10 comprising: (b) selecting one text character in a document; (c) if the selected text character is found in the font memory (10), (C1) A user-defined code corresponding to the selected text character is specified, and the specified user-defined code is stored in a character information area (23) of a font file (20), and (c2) is selected. The character information corresponding to the text character is displayed in the character information area (2) of the font file (20).
3) and store. (C3) The basic unit information constituting the selected text character is added to the font file (20).
(D) storing the character information of the text characters in the document in the character information area (2) of the font file (20).
3), storing step (b) and step (c), and (B) transmitting the font file (20) to a receiving computer system. On the system side, (C) receiving the font file (20) transmitted from the transmitting computer system, and (D) decoding the received font file (20) and restoring it to the document. A method of transmitting an encoded document comprising. 12. On the transmitting computer system side, the step (A) selects between the steps (b) and (d) if the selected text character is not in the font memory 10. Specify a user-defined code corresponding to the specified text character, and specify the specified user-defined code in the font file (2
0) is stored in the character information area (23), contour data of the selected text character is further generated, and it is used as character information of the selected text character in the character information area (23) of the font file (20). The method of transmitting an encoded document according to claim 11, further comprising the sub-step of storing in. 13. The method of transmitting an encoded document according to claim 11, further comprising the step of printing the reconstructed document at the receiving computer system. 14. The method of transmitting an encoded document according to claim 11, further comprising the step of displaying the restored document at the receiving computer system side. 15. On the transmitting computer system side, before the step (B), the font file (2
12. The method of transmitting an encoded document according to claim 11, further comprising the step of storing 0) on a portable information storage medium. 16. Next to step (b), if character information of the selected text character is stored in the font file (20), a user-defined code corresponding to the selected text character. Transmission of an encoded document according to claim 11, characterized in that it further comprises the step of storing only in the character information area (23) of the font file (20) and selecting another text character of the document. how to. 17. The result obtained by comparing the standard code of the selected text character with the standard code of the character, which is character information stored in the second memory area (13) of the font memory (10), Character information corresponding to the selected text character is stored in the font memory (10).
12. The method of transmitting an encoded document according to claim 11, characterized in that it determines whether or not it is present. 18. Each of the basic unit information includes its own basic unit ID code and contour data to be displayed in a planned basic unit space, and each of the character information includes:
The method of transmitting an encoded document according to claim 11, wherein the method includes a position and a size of basic units each of which constitutes a character to be displayed in a predetermined character space. 19. The position of a basic unit forming a character to be displayed in the planned character space is in the X-axis direction or Y.
The method of transmitting an encoded document according to claim 18, characterized in that it is defined by axial shift data. 20. The code according to claim 18, wherein the size of a basic unit forming a character to be displayed in the predetermined character space is defined by a magnification coefficient in the X-axis direction or the Y-axis direction. Of transmitting encrypted documents. 21. The basic unit information to be displayed in the predetermined character space further includes an orientation value of each basic unit.
A method of transmitting a coded document of claim. 22. On the transmitting computer system side, font-related data including a font size, font style, font characteristics, and text character position, and a text character described by the font-related data. The method of transmitting an encoded document according to claim 11, further comprising the step of storing document drawing information including a user-defined code in a document drawing area (25) of the font file (20). .