JPH081547B2 - Character processor - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a character / graphics processing apparatus capable of creating a document including a graphic, and more particularly to a character processing apparatus capable of displaying a layout of a document including a graphic.

2. Description of the Related Art A character processing device for creating / editing a graphic such as a document or a graph requires a display device for displaying the content of the document currently being edited. However, since this display device generally becomes more expensive as it becomes larger, it is rare that a display device that completely displays the entire contents of one page is provided, and usually a part of one page, for example, 40 characters × 20. A display device is provided which displays only the range of lines.

However, when a small display device such as the one described above is provided, the entire page cannot be viewed at one time, so individual characters may be represented in a smaller size, or characters may be represented in a smaller square. Thus, so-called layout display is performed in which one page is displayed so as to fit in one screen.

FIG. 1 is a diagram showing the difference in concept between normal display and layout display. FIG. 1 (A) is an example of normal display, and the creation / editing of a document is performed based on this display. On the other hand, FIGS. 1 (B) and 1 (C) are examples of layout display, and the area of the character is smaller than that of the normal screen in FIG. (C) is expressed as a pattern. Since the size of each character is smaller, a larger number of characters can be displayed, so that it is mainly used for viewing the entire layout.

In such a layout display, when a part of the document to be displayed is a graphic area such as a graph or a graphic, the graphic area is represented by the following conventional method.

First of all, the first method is to express it as a normal document without considering the existence of the graphic area. This means that even if there is a graphic area, it is part of the document, and the position and size of the graphic area in the entire document (usually one page) can be read from the layout display of the surrounding document data. It is a method. However, depending on the method of drawing the graphic area in the document and the method of combining the document data and the graphic data, the graphic area cannot be represented by simply displaying the layout of only the document. Further, there is a drawback that the user has to determine whether the area is a graphic area.

The other method develops the graphic areas one by one, as in the case of actually printing the document. That is, the layout is displayed by performing a complicated and time-consuming process such as reading data from a graph to generating a pattern and expanding an image that is compressed and stored for an image. According to this method, the type and shape of the figure to be entered in the figure area can be understood, but the figure part is displayed more than the document data part.
There was a big drawback that it took a huge amount of time. In the actual layout display, it suffices to be able to determine the position, size, and type of the graphic area in the document, but it takes time for more processing than necessary, and it is difficult for the user to use the layout display. Was becoming.

FIG. 2 shows an example of a layout display of a document including a graphic by a conventional technique. FIG. 2 (A) is an example of a document in normal display, and FIG. 2 (B).
In the figure, the figure area portion of FIG. 9A is expressed without any particular consideration, and in the figure area C, the actual pattern is developed and expressed.

The object of the present invention is to eliminate the above-mentioned drawbacks.
That is, in the layout display of a document including a graphic such as a graph, without reducing the display processing speed,
It is an object of the present invention to provide a character processing device capable of easily recognizing the position and size of a figure portion.

Means for Solving the Problems The present invention includes a storage unit for storing a document including characters and graphics to be displayed, a layout character pattern memory for storing a layout character pattern for displaying the characters of the document, On the basis of the result of the recognition of the character by the layout graphic pattern memory for storing the layout graphic pattern for displaying the graphic of the document, the recognition means for recognizing the character or graphic area of the document,
The layout character pattern is read out from the layout character pattern memory and displayed, and the figure recognized by the layout figure pattern read out from the layout figure pattern memory based on the recognition result of the figure area by the recognition means. A display control unit for displaying the area is provided, and the layout character pattern and the layout graphic pattern are mixedly displayed in the display area.

Examples The present invention will be described in detail below with reference to the drawings.

 FIG. 3 is a conceptual diagram of the present invention.

The graphic area recognizing means 3-1 recognizes the graphic area in the document which is being layout-displayed. When the figure recognition means confirms the existence of the figure area, the layout figure pattern generation means 3-2 generates a pattern to be displayed in the figure area on the layout screen. In the normal character portion of the document, the layout character pattern generating means 3-3 generates a pattern having a size smaller than the normal character or a rectangular pattern. 3-2 The pattern of the figure generated in 3 and 3
The character pattern generated in -3 is output on the display screen by the layout display unit in 3-4.

FIG. 4 shows the detailed construction of an embodiment of the character processing apparatus of the present invention.

In the configuration of FIG. 4, the CPU is a central processing unit in the form of a microprocessor, which performs arithmetic operations for character processing, logical judgments, etc.
Via the data bus DB, it controls each component persisted on those buses.

The CPU also recognizes the graphic area in the document, determines the size of the graphic area, and generates the graphic based on the contents of the RAM described later.

The address bus AB transfers an address signal indicating a component to be controlled by the microprocessor CPU. The control bus CB transfers and supplies the control signal of each constituent element controlled by the microprocessor CPU. The data bus DB transfers data between the constituent devices.

Next, the ROM is a read-only fixed memory, and stores the procedure of control by the microprocessor CPU, which will be described later, and the procedure shown in FIG.

The RAM is a writable random access memory having a structure of 16 bits per word and is used for temporary storage of various data from each constituent element. The data area to be stored is a data area R1 that determines the size of the document such as character spacing and line spacing, and an intermediate data area R when creating a figure.
2. There is a pattern area R3 for the generated graphic.

KB is a keyboard for the character processor, including alphanumeric keys, hiragana keys, katakana keys, character and symbol input keys such as character keys for designating graphic areas, and keys for specifying the start and end of kanji conversion. It is equipped with various function keys for instructing various functions.

The DBUF is a buffer memory that stores document information and the like input from the keyboard KB.

DISK is a magnetic disk device as an external storage for created documents.

CR is a cursor register whose contents can be read and written by the CPU. The CRT controller CRTC described later displays a cursor at a position on the display device CRT corresponding to the address stored here.

The CRT is a display device using a cathode ray tube or the like, and the display pattern and figure pattern of the dot configuration and the display of the cursor on the display device CRT are controlled by the CRT controller CRTC.

The CRT controller CRTC displays the contents stored in the cursor register CR and the buffer DBUF on the display device CRT.

CG is a charactor generator, which generates charactor signals such as characters, symbols, and cursors to be displayed on the display device CRT.

In the character processing device of the present invention including the above-mentioned components, it operates in response to various inputs from the keyboard KB, and when an input from the keyboard KB is supplied, first, an interrupt signal is sent to the central processing unit. The central processing unit CPU, which is sent to the CPU, reads out various control signals stored in the ROM, and various controls are performed in accordance with these control signals.

Since a display means for displaying the contents of the buffer DBUF in correspondence with the position on the display device CRT is known, the description thereof is omitted and the document data, the graphic pattern, etc. are simply displayed.
It will be displayed by storing it in DBUF.

FIG. 5 shows an operation of recognizing a graphic area in a document during layout display and displaying the graphic area.

In FIG. 5, a is document data to be layout-displayed, and b is a graphic area in the document data. BP
Is a pointer for pointing a line in the document data for which layout display is to be performed, and DP is a pointer for indicating a position for displaying a layout character or layout graphic pattern corresponding to BP on the layout display screen.

FIG. 5A shows a state in which the document data from the upper end of the page for which layout display is to be performed to the front of the line including the graphic area is read and displayed on the layout screen.

In FIG. 5 (B), a part of one line read is a graphic area,
Indicates that the part is represented by a continuous pattern, which is different from the normal display of characters.

FIG. 5 (C) shows that the process (operation) of FIG. 5 (B) is repeated and the portion of the graphic area in the layout display is filled with a mesh pattern different from that of the document portion.

Next, with reference to FIG. 6, a layout display process of a document including a figure in the character processing device of the present invention will be described. The graphic area in the document is represented by function characters (▲ [extension] ▼).

FIG. 6 is a diagram showing a process of reading one line of data to be displayed next from the document data and replacing it with a pattern for layout display.

In FIG. 6, LINEBUF is a document buffer for storing the data for one line read from the document data, and DISPBUF is a display buffer for storing the pattern to be displayed as the layout display.

FIG. 6A shows that the character portion (a) in the LINEBUF is replaced with the layout display pattern (c) and stored in the display buffer DISPBUF. In this process, the graphic area recognition means is used to examine the LINEBUF character by character from the left, and if it is document data, the display character pattern generated by the layout display character pattern generation means is stored in DISPBUF. It will be realized by doing.

FIG. 6 (B) shows that the normal character portion (a) of LINEBUF is replaced by the layout character pattern (c) and the graphic area portion (b) is replaced by the continuous pattern (d). ing. Similar to the case of FIG. 6A, this processing stores the layout display character pattern in DISPBUF for the portion corresponding to the displayed character, and when the graphic region is recognized, the portion is displayed for the layout display graphic. It is realized by storing the continuous patterns generated by the pattern generation means.

FIG. 7 is a flow chart showing a process for displaying the layout of a document with graphics according to the embodiment shown in FIG.
In this flow chart, the operation of reading line by line from the document data and displaying it on the layout screen is repeated.

In FIG. 7, LSTART is the layout display start line, LE
ND is the layout display end line, CHMAX is the number of characters per line, LCN
T is the line counter, CHCNT is the character counter, LINEBUF is the document buffer for one line for layout display processing, DISPBU
F is a layout display pattern buffer, which is stored in R1 of the RAM.

In step S7-1, the layout display screen is initialized. This also includes a frame display indicating the size of the paper in the layout display.

In step S7-2, the display start line number LSTART is set in the line number counter LCNT for layout display.

In step S7-3, change the line indicated by LCNT to DB.
It is read from the UF document data and stored in the document buffer LINEBUF.

At step S7-4, the initial value 1 is set to the character number counter CHCNT for checking the LINEBUF character by character.

In step S7-5, it is checked whether the CHCNT character in LINEBUF is part of the document data or the graphic data. The method of this determination differs depending on the method of combining the document data and the graphic data. In the embodiment, in the embodiment, the portion of the graphic area in the document is indicated by the function character indicating the graphic area. Therefore, the CPU checks whether a part of the read part is sandwiched by this function character and recognizes that the pinched part is a graphic area. If the checked position is a part of the document data, the process proceeds to step S7-6, and if it is a part of the graphic data, the process proceeds to step S7-7.

In step S7-6, a character pattern for layout display is generated by the character generator. In the embodiment, the character is represented by a 3 × 3 dot frame.
After the character pattern is generated, the process proceeds to step S7-8.

At step S7-7, a graphic pattern for layout display is generated. This graphic pattern is different from the character pattern generated in step S7-6 and is a pattern which is continuous with the similar graphic patterns on the lower and right sides. In the embodiment, a cross shape is displayed extending downward and to the right. After the figure pattern is generated, step S7-8
Go to.

In step S7-8, the layout display pattern generated in step S7-6 or step S7-7 is
Store in the position corresponding to CHCNT of layout display pattern buffer DISPBUF.

In step S7-9, to check the next character,
Add 1 to CHCNT.

In step S7-10, CHCNT and the number of characters in one line CHMAX
And compare with to see if one line of DISPBUF has been created. When one line has been created (CHCNT> CHMA
X) goes to step S7-11, if not completed (CHCNT <
= CHMAX) proceeds to step S7-5.

In step S7-11, the contents of DISPBUF are displayed on the actual layout screen.

In step S7-12, 1 is added to LCONT to display the layout of the next line.

In step S7-13, LCONT is compared with the layout display end line LEND to check whether or not the required number of layout screens have been created. When the layout screen has been created, the layout display process ends. If not completed, the process proceeds to step S7-3 to read the next line.

In the above embodiment, the document pattern and the graphic pattern to be displayed on the layout screen are temporarily stored in the display buffer, but they may be directly displayed on the layout screen.

Further, although the graphic region is displayed with the same graphic pattern regardless of the type of the graphic, the type of the graphic may be discriminated simultaneously with the recognition of the graphic region, and the displayed graphic pattern may be changed depending on the type of the graphic. .

It should be noted that the layout is supposed to be displayed by a CRT, but a method such as liquid crystal display or simple layout pattern printing may be used.

As described above, according to the present invention, a storage means for storing a document including characters and figures to be displayed, and a layout character pattern memory for storing a layout character pattern for displaying the characters of the document. A layout graphic pattern memory for storing a layout graphic pattern for displaying the graphic of the document, a recognition means for recognizing a character or a graphic area of the document, and a recognition result of the character by the recognition means. Then, the layout character pattern is read from the layout character pattern memory and displayed, and based on the result of recognition of the graphic area by the recognition means, the layout graphic pattern read from the layout graphic pattern memory is recognized by the layout graphic pattern. And a display control means for displaying a graphic area, and a layout character pattern is displayed in the display area. By displaying the turns and the layout graphic patterns in a mixed manner, the layout display processing time can be shortened.

As described above, according to the present invention, a storage unit for storing a document including characters and graphics to be displayed, and a layout character pattern memory for storing a layout character pattern for displaying the characters of the document. A layout graphic pattern memory for storing a layout graphic pattern for displaying a graphic of the document, a recognition means for recognizing a character or a graphic area of the document, and a recognition result of the character by the recognition means. A layout character pattern is read from the layout character pattern memory and displayed, and based on a result of recognition of the graphic area by the recognition means, the layout graphic pattern read from the layout graphic pattern memory is recognized by the layout graphic pattern. Display control means for displaying a graphic area, and a character pattern for layout in the display area. And by the layout graphic pattern so as to display a mix, it is possible to save storage space required for the layout display.

[Brief description of drawings]

FIG. 1 is an explanatory view showing the concept of layout display, FIG. 2 is a view for explaining an example of layout display of a document including a graphic according to the prior art, FIG. 3 is a conceptual view of the present invention, and FIG. FIG. 5 is an overall configuration diagram of an embodiment, FIG. 5 is a diagram showing an operation of layout display of a document with graphics according to the embodiment, and FIG. FIG. 7 is a flow chart for explaining the layout display process of the document including the graphic. ROM …… Memory RAM …… Memory CPU …… Processor

Claims (1)

[Claims] 1. A storage unit for storing a document including characters and figures to be displayed, a layout character pattern memory for storing a layout character pattern for displaying the characters of the document, and a figure for the document. A layout graphic pattern memory for storing a layout graphic pattern for recognizing, a recognition means for recognizing a character or a graphic area of the document, and the layout character pattern memory based on a result of recognition of the character by the recognition means. Display control for reading out and displaying the layout character pattern from the layout character pattern based on the result of recognition of the graphic area by the recognition means, and displaying the recognized graphic area by the layout graphic pattern read from the layout graphic pattern memory. And a layout character pattern and layout diagram in the display area. Character processing apparatus to display a mix of the pattern.