RU2230364C2 - Method and device for shaping arbitrary graphic objects - Google Patents

Abstract

FIELD: pattern shaping methods and devices. SUBSTANCE: novelty is that proposed computer data output device is provided with newly introduced concatenated-code generating integrator whose first input is supplied with control instruction, code character is applied to its second input, third input of mentioned integrator is connected to code output of buffer memory and output, to code input of buffer memory. EFFECT: essentially reduced requirement of memory capacity. 4 cl, 5 dwg

Description

The invention relates to the field of automation and computer technology, namely, devices for the formation of graphic images.

A device for displaying information on the USSR AS No. 1354242, as well as a pattern recognition device for the USSR AS No. 1387025. Vision 868 microcircuits from S3 and GD 5470 from Carrus Logic are also known. The listed devices use a method of forming images using graphic symbols. The disadvantage of these devices is the inability to form arbitrary graphic images using symbols.

There is also a known method of generating graphic images and a device for its implementation, used in the 17N979 complex in the control unit of the BUT-018 board (Technical description and operating instructions C63.083.018 TO). This complex is the closest in nature and function to the claimed group of inventions and is taken as a prototype.

The disadvantage of this device and the method of image formation used in it is that they do not allow the formation of arbitrary graphic objects using symbols.

A method is proposed for generating arbitrary graphic objects by selecting graphic symbols, encoding them, writing a code in the memory of a computing device and constructing a graphic object from them, characterized in that the primary graphic symbols are encoded with a positional code, each position of which corresponds to one and only one primary graphic symbol, secondary graphic symbols are obtained by forming combinations of primary graphic symbols, secondary graphic symbols are encoded by combining eniya positional codes of graphic symbols that can be both primary and secondary graphics, forming a secondary active graphic.

To implement the method, there is proposed a device for generating arbitrary graphic objects containing a buffer memory, the address of which is supplied with the address of a graphic symbol, a sign generator containing images of graphic symbols connected to the input with the output of the buffer memory, a register of output signals, the graphic address of which is supplied to one input symbol, and the other input is connected to the output of the signifier, characterized in that an integrator is additionally introduced into it, on vy input of which is supplied a control command is input to the second code symbol, the third input of the integrator is connected to the output of the code buffer memory and an output coupled to the code input buffer memory.

The proposed method and device allows you to create arbitrary graphical objects using characters.

Figure 1 shows a device for the formation of arbitrary graphic objects, where 1 is a buffer memory of the BZU, 2 is an integrator, 3 is a sign generator of a ZNF, 4 is a register of output signals of a PBC, 5 is a peripheral output device of a graphic object.

Figure 2 presents the timing diagram of the operation of the device, where the abscissa axis shows the time of appearance of signals at the inputs of the device elements, the axis of the ordinates, the number to the point is the number of the element, after the point is the number of the input.

Figure 3 presents a diagram of an integrator.

Figure 4 presents a diagram of a sign generator containing a number of matrices equal to the number of primary and secondary graphic symbols.

Figure 5 presents a diagram of a sign generator containing a number of matrices equal to the number of primary graphic symbols.

In the first step of the method, the faces of graphic symbols are formed, which are primary symbols. Each of them is assigned a code combination of a positional code having the number of possible positions equal to the number of selected primary characters. In this case, each character is associated with one of the positions of the positional code.

The faces of the secondary graphic characters are formed by combining the primary characters. The code corresponding to the obtained combination of characters is formed by disjunction of the corresponding positions of the codes belonging to the primary characters that formed this secondary symbol. At the same time, each character has its own unique code combination. The following is an example of character encoding.

1. graphic symbol A | 01-code;

2. graphic symbol B - 10-code;

3. The graphic symbol B | - 11-code.

Graphic symbols and their coding are shown here: primary graphic symbols 1 and 2, corresponding combinations of positional code; a secondary graphic symbol 3 obtained using a combination of primary symbols, and the corresponding code combination.

Primary graphic symbols allow you to create some graphic objects. When creating complex graphic objects having all kinds of intersections, it becomes necessary to display several primary characters simultaneously in the same familiarity. At the same time, character codes belonging to different graphic objects participating in the intersection can be contained in different places in the memory of the computing device and have an indication of the same familiarity. The proposed method allows one to obtain a secondary symbol code from the codes of primary symbols addressed to one familiarity, the design of which corresponds to a combination of these primary symbols forming the intersection of graphic objects in this familiarity, and display the secondary symbol using the received code.

The secondary symbol can also be formed by a combination of graphic symbols, among which there can be not only primary, but also secondary symbols.

A binary code can be selected as the positional code of the primary elements, as in the example shown above. The secondary character code is obtained in this case by adding binary numbers corresponding to the primary characters. A more complex code may be selected as the positional code. For example, one position code position may be some combination of signals or symbols of the corresponding number system.

In this case, the secondary symbol code is obtained by “superimposing” the positional codes of the primary symbols on each other.

The device depicted in figure 1, operates as follows.

BZU 1 is a block of memory cells corresponding to cells or familiarities on the peripheral device 5, which may be a monitor screen, a display board, a printing or plotting device, as well as mechanical and other devices. BZU 1 contains in the cells the codes of characters that should be displayed in the corresponding familiar cells. The address of this symbol is fed to the input of the BZU 1 from the memory of the computing device, the code of this symbol is fed to the input of the integrator 2. At the same time, the command for writing (deleting) the symbol is also sent to the input of the integrator. From BZU 1 to integrator 2, the code is located in the cell BZU 1 at the received address. In the case of a command to write a character in the integrator, the code is disjointed: received and located in the BZU 1 at this address. If a character erase command is received, the code of the received character is deleted from the code received from the BZU 1 cell. After that, the received synthesized code is returned to the same address in BZU 1. If no code was written to the BZU 1, then the code is written primary character. If some code has already been written to this address, then another primary character is added to the same cell in the code. If a symbol code with an erase command arrives at a given address, then the code of this symbol recorded earlier in the BZU 1 cell is deleted.

The symbol code recorded in the BZU 1 at this address is supplied to the ZNF sign generator 3. Here, depending on the symbol code, the corresponding matrix is selected containing the image (configuration) of a particular graphic symbol. The image of the symbol enters the register of output signals of the PBC 4. At the received address in the PBC 4 (see figure 1, figure 2.) Is recorded image of the character for direct control of the peripheral device 5.

Integrator 2 can be performed as follows.

The integrator circuit shown in FIG. 3 is made for the case when the symbol code consists of four bits. Each bit is encoded by a group of three elements: AND-NOT element, OR element, AND element. A control command is sent to the first inputs AND-NOT: 1 - erase, 0 - write; to the second inputs AND NOT and the first inputs OR the input symbol code is supplied; to the second inputs OR a code is supplied from the cell of the CCD from the outputs of the AND elements, the resulting synthesized code is removed, which is returned to the BZU 1 cell.

The integrator works as follows. If a write command (logical zero) is received, then the outputs of the 3 AND-NOT elements will always have logical units that will go to the first inputs of the AND elements. The outputs of the 3 OR elements will form a combined code that will go through the AND elements to the integrator output. If an erase command is received, a logical unit will appear on the 1 inputs of the AND-NOT elements. Moreover, if at the 2nd input of the corresponding AND-NOT there is a logical unit (a character code corresponding to this category of code is received), then the output of this AND-will be a logical zero, which will prohibit the passage through the AND element of this discharge to the output of the integrator of the logical unit received in the code from the BZU cell. Thus, a code will be returned to the CCD, in which in this category a logical zero will be written instead of a logical unit.

Embodiments of the signifier are shown in FIG. 4 and FIG. 5.

Figure 4 presents the FZP containing the number of matrixes of images of the configurations of characters equal to the number of primary and secondary graphic characters. For a 4-bit symbol code, the number of matrices is 16. The symbol code is supplied to the decoder 17. Depending on this code, which is a synthesized code from the BZU cell, one of the matrices is activated by applying a signal to it from the corresponding output of the decoder 17. OR block 18 performs the function of switching graphic images of characters to the output of the ZNF.

Figure 5 presents the FNP containing the number of matrices equal to the number of primary graphic symbols. The signals corresponding to the bits of the synthesized code from the BZU cell are fed directly to the matrix of graphic images, activating them. In this case, the simultaneous formation of symbol patterns in matrices corresponding to those bits of the code in which a logical unit is present occurs. The generated graphic images of symbols in several matrices are simultaneously fed to the inputs of an OR block of elements 5. As a result, a combined image of a secondary symbol is formed at the output of the SNF.

Thus, the set of essential features allows you to display arbitrary graphic objects. Moreover, in the memory of the computing device, various graphical objects can be stored independently from each other with their own independent addressing of the location on the graphics output means.

Claims (4)

1. A method of generating arbitrary graphic objects by selecting graphic symbols, encoding them, writing a code in the memory of a computing device and constructing a graphic object from them, characterized in that the primary graphic symbols are encoded with a positional code, each position of which corresponds to one and only one primary graphic symbol , secondary graphic symbols are obtained by forming combinations of primary graphic symbols, secondary graphic symbols are encoded by combining graphic codes of graphic symbols, which can be both primary and secondary graphic symbols forming this secondary graphic symbol. 2. A device for generating arbitrary graphic objects containing a buffer memory device, the address of which is a graphic symbol address, a signifier containing images of graphic symbols connected to the input with the output of the buffer memory device, a register of output signals, a graphic symbol address is supplied to one input thereof, and the other input is connected to the output of the signifier, into which the symbol image is recorded for direct control of peripheral devices m, characterized in that an integrator is additionally introduced into it, forming a combined code, a control command is supplied to the first input, a symbol code is supplied to the second input, the third input of the said integrator is connected to the code output of the buffer memory, and the output of the said integrator is connected to the code input buffer memory. 3. The device according to claim 2, characterized in that the signifier comprises matrixes of images of graphic symbols, the number of which is equal to the number of primary and secondary graphic symbols. 4. The device according to claim 2, characterized in that the signifier comprises matrixes of images of graphic symbols, the number of which is equal to the number of primary graphic symbols.

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