JPH09204169A - Graphic processor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a graphic processor which can easily input coordinate values of plural outline parts representing the outline of a figure. SOLUTION: The coordinate values representing the outline of the figure specified on a display screen with a pointing device 61 are inputted. Then it is decided whether or not the input of the coordinate values of one outline is completed and when so, the coordinate values of a next outline are inputted, but when not, next coordinate values of the outline are inputted and stored while made to correspond to code information.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a graphic processing device capable of storing coordinate point data for representing a character pattern and code information in association with each other.

[0002]

2. Description of the Related Art Conventionally, in the case of editing a document using a bit map memory, in order to improve the versatility and quality of the document, character graphic data having a plurality of bit map sizes, such as 24 dots, 32 dots, etc., has been prepared in advance. Then, it is conceivable to select an appropriate bit map size in accordance with the output size designated by editing, and display and output this data.

However, in the case of outputting an arbitrary character or graphic not prepared in advance, it is usually configured to individually define and register the bit map data with respect to the plurality of bit map sizes.

[0004]

However, in the above conventional example, the bit map data is individually defined with respect to the plurality of bit map sizes (at least the type of output size that may be handled during document editing is required). Must.

The definition of bit map data is inherently inefficient, and it is very laborious and laborious to repeat it.

Therefore, an object of the present invention is to provide a character processing device which can easily input coordinate values for a plurality of contours representing the contours of a figure.

[0007]

In order to achieve the above object, the graphic processing apparatus of the present invention comprises an input means for inputting coordinate values representing the contour of a character designated on the display screen by a pointing device, and one contour. First discriminating means for discriminating whether or not the input of the coordinate values has been completed, and when the first discriminating means has judged that the input of the coordinate values of one contour has been completed, the next contour is inputted by the input means. Control unit for inputting the coordinate value of the contour, and when the first discriminating unit determines that the input of the coordinate value of one contour is not completed, the input unit inputs the next coordinate value of the contour; It is characterized by having a storage means for storing the coordinate value input by the means and the code information in association with each other.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in more detail with reference to the drawings. The image processing in the present invention is a general term for editing processing of characters, figures, images and the like.

FIG. 1 is a block diagram of a system to which the present invention is applied. The system is not limited to this,
It goes without saying that the present invention can be applied to a single device or even if a part of the system is changed.

Reference numeral 31 denotes a control unit of the present system, which includes an internal memory (H15) composed of a micro computer (H6), RAM, ROM, etc., a hard disk, a floppy disk or a cartridge disk (H7, H8, H9) and other external memory.

Reference numeral 32 is a document reader which converts an image placed on a document table in an image input section into an electric signal by an image pickup device such as a CCD.

An image output unit 33 in the present invention is a high-speed printer (H10) for recording an image on a recording material based on information converted into an electric signal, such as a laser beam printer.

Reference numeral 38 denotes a CRT that displays system control information and the like.
The apparatus is an image output unit in the present invention.

Reference numeral 50 denotes a keyboard provided in the control section 31. By operating the keyboard 50, an operation command of the system is issued. Reference numeral 61 is a pointing device for instructing processing of image information on the CRT 38, which moves the cursor on the CRT 38 in X and Y directions arbitrarily to select a command image on the command menu and gives the instruction.

H4 is a VRAM which expands data to be output to the display unit 38 on a bit map. For example, in the case of character data, character image information corresponding to the code is expanded on the VRAM.

H15 is a program memory (PMEM) that appropriately selects and executes a program for editing processing from the hard disk H7. The data input and arithmetically processed by this system can be expanded on the image memory IMEM (H17) and output from the output unit 33.

H5 is BMU (bit manipulation
Unit, VRAM (H4), PMEM (H15), IMEM (H17)
It is possible to perform DMA transfer to perform data transfer between each other without going through the CPU, and at the time of transfer, it has a function such as a bit-by-bit logical operation, rotation of a developed figure, and scaling.

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 2 illustrates the operation of the present invention in a system having such a configuration. The same parts as those in FIG. 1 are designated by the same reference numerals.

BM1, BM2, to BMn are bit map data storage areas for standard character figures according to a plurality of bit map sizes stored in the hard disk H7. Four
A character / graphic set is prepared for each bit map size such as 4,88 × 88. In this embodiment, this storage area is the hard disk H7 as an external storage device, but it may be stored in the ROM.

CTL1 is a program which is loaded into the PMEMH15 of the internal memory at a suitable time as a control unit of the graphic input means defined in the present invention. The program (control unit) controls the following processes. That is, keyboard 50 and mouse 61
Input from the input device such as a code for storing and calling (because it is necessary to distinguish from the calling code of the above Bitmap character graphic at the time of output, enter a code that does not overlap with this) and specify for polygon definition Coordinate input processing, display processing to show the result of this definition to the user (ie VR
Output processing to the CRT 38 via AM H4), temporary storage processing of each definition graphic data, and storage processing to the storage area AD existing in the hard disk H7.

The above-mentioned CT for creating the above data in FIG.
The flowchart of the program of L1 is shown (a description is mentioned later).

FIG. 3 shows the storage format and its contents in the storage area of the polygon definition graphic data stored in the hard disk H7 described above. Indexes 1 to n in FIG. 3A are index sections for recording offsets and data lengths from the head of the actual polygon definition graphic data storage area corresponding to codes for storing and calling to be described later.
Is a data section for storing actual polygon definition figure data.

FIG. 3 (b) is a diagram showing the contents of the actual polygon definition graphic data, which has the same format as the coordinate value recording area controlled by the program CTL1 of FIG.

PN is the total number of coordinate points of one figure defined by a polygon, CN is the number of polygons forming the above-mentioned figure, and ST [1 ...
n] is a pointer array indicating the position on the array in which the starting coordinates of each polygon in the input coordinate value array described below are stored,
COD [1 to PN] is a polygonal vertex coordinate value array having x and y coordinate values, respectively. Also, (sx, sy) added to the beginning is the size that becomes the basis of coordinate conversion when scaling the specified polygon size data when actually outputting the defined polygon figure data (hereinafter referred to as the defined size). ) Is recorded with (x, y) coordinate values. For example, the size is equivalent to the body of the print type.

FIG. 4 (a) shows an explanatory diagram in the case where the above contents are applied to actual polygon defining figure data. FIG.
4B shows the actual value of the stored data according to FIG. 3B when the polygon shown in FIG. 4A is defined.

A program (processing unit) for calling the data defined in the polygon and stored in the area such as a disk by the above processing and outputting the data according to the designated size. The flow of CTL2 is shown in FIG. 6 (explanation will be given later). .

FIG. 5 shows a flow of the above-mentioned CTL1 program for creating the above-mentioned data by the polygon definition. f1
In the initialization in step 3, an internal work area having the same format as the data in FIG. 3B is secured. In f2, CN (number of polygons) and PN (total number of coordinate points) are initialized. f3 is
The contour start point offset on the coordinate array COD [1 to PN] of each vertex is recorded on the pointer array ST [1 to CN]. f4 is the display screen of CRT38 on the pointing device 61 (Fig. 4
(See (a)) The value specified above is transferred to the coordinate value register. At this time, the coordinate input area and the command area are defined in advance on the display screen, and by discriminating either of these areas, Determine the input status in f5. If the status is the coordinate area at f5, change the contents of the coordinate value register.
Store it in the COD array at f6. If the status is a command at f5 and the end of the contour is indicated, CN is incremented by 1 at f7 and the process proceeds to f3.

When the definition is completed, the definition sizes sx and sy in f8 are input, which are the values to be the basis of the enlargement / reduction rate calculation at the time of output in CTL2 described later. In f9, define data code (call code) on keyboard
Enter from 50. The position of Index in FIG. 2 (a) is determined by this value, the offset of the data area and the data length (size) in FIG. 2 (b) are written, and the internal work area information described above in FIG. It is stored in the disk H7 etc. in the format of (b).

Next, a processing unit that calls the data stored by the above processing and outputs it according to a specified size.
The flow of L2 is shown in FIG. The output processing unit operates in the same manner even when a character / figure is directly specified by the keyboard 50 and the pointing device 61, or when the specified data is stored as a call code in, for example, an external disk. Figure 6 in the storage area
An output code temporary storage buffer shown in (b) is provided, and output processing is performed according to the contents. Opening the storage area from the specified output size (tx, ty) and defined size (sx, sy) at f51 and f52, and temporary output code storage buffer at f53, f54, f55 and f60 (Fig. 6 (b)) ) Sequential read control is performed. f56 is the normal Bitmap character / graphics output process. If the specified data is an external code, f57 indicates the same size as the standard character (a Bitmap character / graphic prepared in advance) used for actual document editing. After the coordinate conversion of the previously defined figure to the size (usually the height direction) and filling the inside etc.,
Memory transfer to the specified output area. Further, the internal filling may be omitted in order to increase the real-time property when outputting for display. The above-mentioned coordinate transformation is based on the following formula and is shown in FIG.
The multiplication is repeated for the coordinate values shown in (b). rate = ty / sy {Xi = xi * rate, Yi = yi * rate} i = 1 to PN where ty is the specified output size, sy is the defined polygon size (both in the direction of the height of the character / graphic), xi and yi Is the defined coordinate value, xi
, And Yi are the coordinate values converted into the output size, and PN is the total number of polygon vertex coordinates.

The error processing at f58 is when the stored code in FIG. 6 (b) is neither a normal bit map character graphic code nor a polygon definition graphic code (that is, there is no corresponding code), and usually the output area. Is made blank.

The image processing apparatus according to the present invention may be a single device or a system composed of a plurality of devices, and is a control unit having a program installed therein. It goes without saying that it is okay.

[0033]

As described above in detail, according to the present invention, it is possible to provide a graphic processing apparatus capable of easily inputting coordinate values for a plurality of contours representing the contours of a graphic.

[Brief description of drawings]

FIG. 1 is a block diagram of a system to which the present invention is applied.

FIG. 2 is a system block diagram for explaining the operation of the present invention.

FIG. 3 is a diagram showing a storage format and its contents in a storage area of polygon definition graphic data.

FIG. 4 is an explanatory diagram of a defined polygon.

FIG. 5 is a diagram showing a flow chart for creating the above-mentioned data by polygon definition.

FIG. 6 is an explanatory diagram for calling polygon-defined data and outputting the data according to a designated size.

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁶ Identification code Internal reference number FI Technical display location G09G 5/36 530 G06F 15/62 325D

Claims (2)

[Claims] 1. Input means for inputting coordinate values representing the contour of a graphic specified on a display screen by a pointing device, and first discriminating means for discriminating whether or not input of coordinate values for one contour is completed. And when it is determined that the input of the coordinate value of one contour is completed by the first determining means, the coordinate value of the next contour is input by the input means, and the coordinate of one contour is input by the first determining means. When it is determined that the input of the value is not completed, the control unit for inputting the next coordinate value of the contour by the input unit, and the memory for storing the coordinate value input by the input unit and the code information in association with each other. And a graphic processing device. 2. A second discriminating means for discriminating whether or not the input of the coordinate values of the contour of one figure has been completed, and the control means comprises: the first discriminating means; When it is determined that the input of the coordinate values of one contour has been completed and that the input of the coordinate values of the outline of one figure has been completed by the second determining means, the input has been input to the storage means by the input means. The coordinate value and the code information are stored in association with each other, and it is determined by the first determining means that the input of the coordinate value of one contour is completed by the first determining means,
The graphic according to claim 1, wherein when the second discriminating means determines that the input of the coordinate values of the contour of one figure is not completed, the input means inputs the next coordinate value of the contour. Processing equipment.