JPS62183491A - Formation of expanded void pattern - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed description of the invention] (b) Industrial application fields The present invention relates to a method for forming an enlarged white pattern.

(B) Prior art Conventionally, as a method for forming an enlarged white pattern of a basic pattern consisting of a dot matrix pattern with kxl<k, l is a positive integer, for example,
Using the method disclosed in Publication No. 1, an enlarged pattern of nkXn12 (n is the enlargement magnification) is created from the basic pattern, and then the surrounding dots are checked for each dot of the enlarged pattern, and the A white pattern (hereinafter referred to as an enlarged white pattern) with only the contour left is created by determining which dots should form an outline based on the presence of surrounding dots and leaving only the outline dots and deleting the other dots. ) was obtained.

In addition, in order to make the contour line on the right side of such an enlarged white pattern a double line, it is also determined at the time of the above judgment whether the contour pattern is on the left or right side of the enlarged pattern,
This is done by making the contour line on the right side a double line based on the determination result.

(c) The problem to be solved by the invention is so hot that in the conventional method, the above determination work is performed at a magnification of 2
It will increase in proportion to the power of

Therefore, the conventional method is not suitable for an enlargement pattern with a dog magnification.

(d) Means for Solving the Problems The present invention has been made in view of the above points, and its features include a pattern buffer in which the basic dot pattern to be enlarged is stored, and a pattern buffer for one dot in the buffer. a determination unit that determines the right contour shape when the dot is enlarged based on the relationship with dots existing around the dot; a pattern register in which data of the contour shape determined by the determination unit is stored; In an apparatus equipped with an enlarged image buffer capable of storing a pattern, the determination section determines the right contour shape of the predetermined one dot when enlarged, based on the predetermined one dot in the basic tone pattern and its surrounding dots. , stores the shape data in the pattern register, writes the right contour pattern at a predetermined position in the enlarged image buffer based on the shape data in the register, and then writes the right contour pattern to a position a predetermined distance from the predetermined position in the right direction. The purpose is to write the contour pattern on the right above.

(v) Effect: Therefore, pattern enlargement, whiteout, and double line formation of the right contour line can be easily performed based on one shape data.

Embodiment FIG. 1 shows an embodiment of the present invention, in which (1) is a main control section composed of, for example, a microcomputer, and the main control section controls the following sections.

(2) is a pattern buffer, which stores, for example, a 5×7 basic pattern as shown in FIG.

(3) is a control register, which includes a first area (301) in which an enlargement factor n (n≧3) is stored, and a second area (301) in which information indicating the type of outline character that can be finally formed is stored. It has two areas (302). The second area (302
) There are three types of information stored in ``10'', 111, and ``2.'', and such information indicates the following types of characters.

"04...Simple white text 11"...White text with a thick outline on the right side (
(Hereinafter referred to as shaded characters) "2" . . . A white character with a double line on the right side (4> is an address register, and this register is a dot-by-dot character in the pattern buffer (2) above. Address BA
It has a first area (401) where C is stored and a second area (402) where an address KXY in dot units in an enlarged image buffer, which will be described later, is stored.

(5) is a left pattern determining section, and this determining section is the above-mentioned BA.
Read out the dot (hereinafter referred to as the reference dot) in the buffer 2) that can be specified by Determine the optimal contour shape for the left half.

Specifically, when the address of the reference dot in the buffer (2) is (x, y), the surrounding dots are (x-2, y-1), (x-1+) in the buffer (2).
y-1)l(x, y-1>, (x+1, y-1),
(x-1, y), (x-2, y+1>, (x-1゜y+
1), (x, y+1), and <x+1, y+1).

Furthermore, there are 23 patterns shown in FIGS. 3(a) to 3(w) as the above-mentioned contour shapes. FIGS. 4 to 26 show the relationship between the reference dot determined to have the above contour shape and its surrounding dots, respectively.

By the way, the above-mentioned 23 patterns are basically modifications of the vertical linear pattern No., O to No. 9, shown in FIG. Note that No. 9 above is a basic linear pattern in which the reference dot does not have a vertical contour component in the enlarged pattern.

Specifically, the above 23 contour patterns are (1) additional patterns I(i) extending to the right from the upper end of the above basic linear pattern.
Additional pattern extending to the right from the lower end (ii) Additional pattern extending to the left from the upper end (■) Additional pattern extending to the left from the lower end 0 of the 4fFI additional patterns ~2 additional patterns are added to the basic linear pattern. For example, the pattern in FIG. 3(b) is a pattern in which an additional pattern ■ is added to the linear pattern No. 0.

The left pattern determining section (5) then outputs 8-bit data as shown in FIG. 28 as information indicating the contour shape determined by the above determination. 8 pics like that!・The reason is that the 4th to 7th bits are the basic linear pattern No.
The 0th to 3rd bits indicate the presence or absence of additional patterns E to I, respectively. Note that 11'' is set in each of the 0th to 3rd bits when additional patterns I to 3 exist, and rO4 is set when they do not exist. For example, in the case of the pattern shown in FIG. 3 (b>), an 8-bit 1- signal as shown in FIG. 28 is output.

(6) is a right pattern determination section, which reads out the reference dot in the pattern buffer (2) specified by the Y address BAC stored in the pattern buffer (2) and the surrounding dots of the dot. , the above reference dot is nX
The optimum outline shape of the enlarged white pattern when enlarged to n dots is determined.

Specifically, when the address of the reference dot /1 in the buffer (2) is (x, y), the surrounding dot is (x-1, y-1) in the buffer (2).

(x, y-1>, (x+1.y-1), (x+2.y-
1>, (x+1, y), (x-1, y+1>, (x
.

y+1), (x+1, y+1), (x+2, y+1
> position of each dot.

Further, as the above-mentioned contour shape, there is a .degree.23 pattern shown in FIGS. 3(a) to 3(W). FIGS. 29 to 51 respectively show the relationship between the reference driver 1-, which is determined to have the contour shape indicated by 2, and its surrounding dots.

In addition, in FIGS. 4 to 26 and 29 to 51,
The reference dot is indicated by ■, and the surrounding dots are indicated by O. In addition, a star in the figure indicates that a dot can exist at that position.

Facing the front, the right pattern determining unit (6) shows the contour shape determined by the above determination and outputs the left pattern determining unit (5) as information.
Similarly, 8-bit data is output, but in the 8-bit data, the focus positions indicated by the additional patterns I to (2) are different from the data shown in FIG. 28, as shown in FIG. 52. Therefore, in the case of the pattern shown in FIG. 3(b), the 8
Bit information is output.

(7) is a pattern register, and the registers are the first to
It has fourth areas (701) to (704), and has a first area (701) to (704).
The upper 4 bits, that is, the pattern number, of the 8 focus information output from the right pattern determination section (5) can be stored in the second area (702), and the left pattern determination section (
The lower 4 bits of the 8-bit information output from 5), that is, information on the presence or absence of additional patterns, are stored and stored in the third area (
703) is the 8 output from the right pattern determination section (6).
The upper 4 bits of the bit information, that is, the pattern number,
The fourth area (704) stores the lower 4 bits of the 8-bit information outputted from the right pattern determining section 6), that is, the presence/absence information of additional bugs.

(8) is a table memory, and the 53rd
Each table shown in FIGS. (a) to (j) is stored.

Further, each table in FIG. 21(a) to <j) corresponds to linear patterns No., O to No., and 9, respectively.

The contents of the 1st to 48th areas of each of the above-mentioned tables are the reference positions of the left and right end dots in the 1st to 48th dot rows of the enlarged pattern obtained by multiplying each dot of the basic pattern by 48. (described later).

(9) is a left table buffer, and this buffer contains one of the w/- pulls shown in Fig. 53 (a) to (j>).
are selectively stored.

(10) is the right table buffer 7a, and the buffer contains one of the tables shown in FIGS.
are selectively stored.

(11) is an enlarged pattern image buffer, and the enlarged pattern is stored in this buffer.

(12) is a reference line register, which has first and second areas (
121) (122).

(13) is an enlarged white outline processing unit, which enlarges each dot of the basic pattern stored in the pattern buffer <2) to a white nXn pattern, and ).

The positions at which the enlarged pattern of each dot is written into the enlarged image buffer (11) have the same positional relationship as the positional relationship of each dot in the basic pattern.

For example, the basic pattern is <3X3 as shown in Fig. 54(a).
When the dot pattern is a dot pattern, the enlarged pattern of each of the dots a to i is as shown in FIG. ×3 matrix area a'
~i' are respectively written.

The flowchart in FIG. 55 shows the control operation of the main control section (1), and the operation of this embodiment will be explained below based on the flowchart.

First, in the S1 step, the first address register (4)
Initialize the BAC of the flJi area (401). Upon initialization, BAC becomes the address indicating the first dot of the pattern buffer 2).

In step <32, it is determined whether a dot exists at the position in the pattern buffer (2) indicated by the BAC.

If it is determined that a dot exists in the refusal determination, the process proceeds to step S3; otherwise, the process proceeds to step S3.
Proceed to step 10.

In step S3, the left pattern determination unit (5) uses the dot in the pattern buffer (2) indicated by the above BAC as a reference dot, and determines the outline shape of the reference dot when expanding the outline from the reference dot and its surrounding dots. death,
Output that information.

After that, in step S4, the left pattern determination section (
Of the 8-bit information output from the pattern register (7), the upper 4 bits are stored in the first area (701), and the lower 4 bits are stored in the second area (702).

Subsequently, in step S5, the right pattern determination section (6) uses the dot in the pattern buffer (2) indicated by the above BAC as a reference dot, and calculates the outline shape of the reference dot when the outline is enlarged from the reference dot and its surrounding dots. Decide and output that information.

After that, in step S6, the right pattern determination section (
6) Store the upper 4 bits of the 8-bit information output in the third area <703) of the pattern register (7), and store the lower 4 bits in the second area (704).

Next, in step S7, the first pattern register (7)
, the corresponding daple is read out from the table memory (8) based on the linear pattern No. stored in the third area (701) (703), respectively, and the left and right table buffers γ (9) (
10) are stored respectively.

In the next step <38, the left and right reference lines L and R are determined. Specifically, as shown in FIG. 56, from the left end A of an area P consisting of nXn dots (n is the enlargement magnification) in the enlarged image buffer (11) corresponding to the position in the pattern buffer (2) indicated by the above BAC. The n/2-th dot row in the X direction (direction from left to right in the figure) in the X direction (direction from top to bottom in the figure) is defined as a right reference line R. Further, the column in the X direction located at the n-th dot in the direction opposite to the X direction from the reference line R is defined as the left reference line L. Note that if the solution to the above formula n/2 includes a decimal point, the part below the decimal point is rounded down.

Then, the positions of the left and right reference lines L and H that have been determined in this way are located in the first and second areas of the reference line renostar (12).
121) Stored in <122>.

In the next step S9, the enlarged white outline processing section (13) writes the enlarged white pattern of the dots in the pattern buffer (2) indicated by the BAC into the enlarged image buffer (11) by detailed operations to be described later.

17i<! In step 310, the above pattern buffer (
2) It is determined whether or not all of the processes in steps S2 to S9 have been completed for each position. Such a determination can be made by determining the BAC because the BAC is changed so that each position of the pattern buffer (2) is scanned based on a certain rule, as will be explained in step 311 below.

In the above judgment, if it is judged that the content BAC of the first @ area (401) of the address register (4) indicates the final position of the above scanning, the process ends, and if not, the process proceeds to the Sll stem. In step S11, the contents BAC of the first area (401) of the address register (4)
change. Such changes can be made, for example, in the pattern buffer (2>
When the content of is composed of a 6x5 dot matrix, as shown in Figure 57, (1, 1>, (2, 1)...
・(5, 1), (6, 1).

(1,2)...(6,2), (1,3)...(6
, 3 > . . . , each position is sequentially scanned.

Therefore, by repeatedly processing the loop consisting of the steps S2 to Sll, the enlarged white pattern of the basic pattern stored in the pattern buffer (2>) is written to the enlarged image buffer (11).

FIGS. 58 to 61 show the processing in step S9 above.

In explaining the refusal process, for the convenience of the explanation, we will use the enlarged r main buffer (11) where an enlarged white pattern is written.
) in each area P, the top i-column in the y direction is always the first dot row, and in the following sections, the second dot row, the third dot row, ... the nth dot row? ). Further, it is assumed that the first to forty-eighth areas of the left and right table buffers (9) and (10) correspond to the first to nth dot rows, respectively, when the enlargement magnification is n. Further, the contents of the nth area in the left table buffer (9) are shown as LT(i) (1≦i≦48), and the contents of the nth area in the right table buffer (10>) are shown as RT(j).
(1≦j≦48). Then, the location where the dot in the enlarged image buffer (11) is written [KXY is expressed two-dimensionally as (x, y), the above X is the dot position in the X direction shown in Fig. 56, and the above y is the dot position in the X direction shown in Fig. The positions of the dots in the y-direction are shown in FIG.

Returning to FIGS. 58 to 61, first, it is determined whether or not the enlargement magnification is n-48 in the 5901 stent by checking the contents of the first area (301) of the control register (3). With this, if it is confirmed that n=48, the process is 5
Proceed to step 903, and if not, proceed to step 5902.

In the 5902 step, the left and right table buffers are
0) to a value suitable for the enlargement magnification n.

That is, when the magnification factor n is 148j, the first
~The 48th area and the 1st to 48th dot rows of area P have a one-to-one correspondence, and the contents of the table above also indicate that the enlargement magnification n is r
There is no problem because the values correspond to "48", but when the magnification factor n is "r3" to "47.", each area of the table is changed from the first area to the nth area to the first dot row of area P. If the dot rows are made to correspond to the n-th dot rows, and the contents of the first to n-th areas are used as they are, the enlarged white pattern obtained by the processing below 5903 staves will be completely different from the basic pattern.

Therefore, when the enlargement magnification is 24 or less, approximately 48
Select n areas every /(n-1), and multiply the contents of the n areas by n/48 into the first to nth areas of the left and right table buffers (9) and (10). Store it again.

For example, if n=4, left and right table buffers (9) (10)
Assuming that the tables shown in FIGS. 53(a) and 53(b), respectively, are stored by processing up to 88 steps, the left and right table buffers (9) and (10) are stored in the first area and the first area, respectively.
The 7th area, the 32nd area, and the 48th area are selected, and their contents are multiplied by 1712 and stored in the 1st to 4th areas of the left and right table buffers (9) (to>). They are stored in the table below. Fixed left and right table buffers (9) (
10) is shown below.

Below Margin Also, when the above magnification factor n is 25 or more, first <48
−n) areas at approximately equal intervals in the left and right double buffers (
9) Remove from (10), store the contents of the remaining area in the 1st to nth areas in order from the top, and save the contents to n/4
Change to the value multiplied by 8. Note that the results of the above calculations are rounded down to the lowest point.

In step 5903, the contents KXY (X, y) of the second area <402> of the address register (4) are set.

Specifically, "LJ" indicating the left reference line position is set as the X component of KXY, and "1" indicating the first dot row is set as the y component.

KXY for <3904 and 5905 steps
It is determined whether the y component of is "1. or r n".In other words, in this determination, the current writing position is the first dot row of area P in the enlarged image buffer (11) or It is determined whether or not it is the n-th dot row. If it is determined in this determination that "y≠1° and 'yin", the process advances to step 8906.

At step 5906, the X component of KXY is the left reference line L.
The left table buffer (
It is determined whether the position is to the right by the content of the y-th area of 9), and if so, the process advances to step 5907.

In step 5907, it is determined whether the linear pattern on the left side of the enlarged white pattern of dots in the pattern buffer (2) indicated by the BAC currently being processed is No. 9. Such a judgment takes 15 turns and the first area of Jista (7) (
This is done by reading the contents of 701). If the contents of the first area <701) indicate the linear pattern N009, the process proceeds to step 5909; otherwise, the process proceeds to step 8908.

In step 5908, a dot is written at a position in the enlarged image buffer (11) indicated by KXY.

In the continuation<8909 step, 1 is added to the X component of KXY. The process then returns to step 5904.

Therefore, in the loop consisting of steps 5904 to 5909 above, the linear pattern on the left side of the enlarged white pattern is No.
When the value is other than 9, the second dot row of the left table buffer (9) is
Dots are written at positions spaced apart by the content stored in the (n-1)th area.

That is, the left side outline of the enlarged white pattern is formed by such a loop.

Returning to step 3906, if it is determined that "X≠LT(y)+LJ," the process proceeds to step 5910.

At the 5910 step, the X component of KXY is the right reference line R.
The position further to the right by the RT(y) component, that is, the first
From the right reference line R of row 178, the right table buffer (1
It is determined whether the position is to the right by the content of the y-th area of 0). In this step, 'X#RT(3'
)+RJ, the process advances to step 5909.

Therefore, each dot of the basic pattern is whitened out in the enlarged pattern by a loop consisting of steps 5904 to 5906, 5910, and 5909.

Returning to step 5910, in this step 'x
-RT(y)+Ri, the process advances to step 5911.

In step 5911, it is determined whether the linear pattern on the right side of the enlarged white pattern of dots in the pattern buffer (2) indicated by the BAC currently being processed is No. 9. Such a determination is made in the third area (70) of the pattern register (7).
This is done by reading the contents of 3>. If the content of the third area (703) indicates linear pattern No. 9, the process proceeds to step 5912.

In step 5912, add 1 to the y component of KXY, and continue <
In step 5913, the X component of KXY is set to 1L indicating the left reference line position, and the process returns to step 5904.

Returning to step 5911, if it is determined in the refusal step that the content of the third area (703) of pattern t register (7) is other than linear pattern No. 9, the process goes to S.
Proceed to step 914.

In step 5914, the enlarged image 'KXY',
Write a dot at the position in X7< buffer (11).

In step 5915, the second control register (3)
The content of the area (302) is determined, and if the content is "0.", the process proceeds to step 5922, step 1r, if it is "1", the process proceeds to step 5916, and if the content is "12", the process proceeds to step 5.
Proceed to step 920.

At the 5916 step, the X component of KXY is increased by 1, the repeat counter k is set to 1, and the next 5917
In step 1, a dot is written at a position in the enlarged image buffer (11) indicated by kXY.

In the next step <3918, it is determined whether the value in the repeat counter is rHl. The cross section N is a value indicating the thickness of the right contour line of the enlarged white pattern, and is set in advance.

If the above determination is 7 kf-N, the process proceeds to step 5919, and if it is determined to be 'k-Nu, the process proceeds to step 5922.

At step 5919, the KXYL:y)X component and the 11 beat count k are incremented by 1, and the process returns to step 5917.

Therefore, the right contour line of the enlarged white pattern becomes a thick line with a width of N+1 dots due to the loop consisting of steps 5917 to 5919.

Further, in step 5920, the above N is added to the X component of KXY, and a dot is written at the position in the enlarged image buffer (11) indicated by KXY in step 5921.

As the secondary steps 5920 and 5921 are completed, the right contour line of the enlarged white pattern becomes a 2it line.

When step 5921 is completed, the process proceeds to step 5922.

In step 5922, it is determined whether the X component of KXY is n or not, and if ry==+n, the process proceeds to step S10 shown in FIG. If ry≠n, the process proceeds to step 5912.

Returning to step 5904, in this step '3
'-IJ, the process advances to step 5923.

Step 5923 shows the enlarged white putter of the dots in the pattern bump γ that can be shown by the BAC currently being processed.
It is determined whether the additional pattern ■ or ■ exists in the contour shape on the left side. Such judgment is made using the pattern register (
This can be done by checking the contents of the second area (702) in 7). If it is determined in the refusal step that there is an additional pattern I, the process proceeds to step 5924, and if it is determined that there is an additional pattern ■, the process proceeds to step 5928. Furthermore, if it is determined that none of the above additional patterns exists, the process proceeds to step 5931.

In the 5924 step, the X component of KXY is positioned at the left base line and the internal LT of the first area of the left table buffer (9) is
(1) is added, and in the next step 8925, a dot is written at the position in the enlarged image buffer (11) indicated by KXY.

In the following step 5926, it is determined whether the X component of KXY is the right reference line R or not. If it is determined in this step that 1x≠R, the process proceeds to step 5927, and after the X component of KXY has been incremented by 1 in this step, the process returns to step 5925. If it is determined in step 5926 that 'x=R', the process proceeds to step 5934.

Therefore, the additional pattern (2) of the left linear pattern is written into the enlarged image buffer (11) through the loop consisting of steps 5925 to 5927.

Also, at step 8928, a dot is written at the position in the enlarged image buffer (11) indicated by KXY, and at step <5929, the X component of KXY is separated from the left reference twin L by LT (1) in the right direction. It is determined whether the position is indicated or not, and if it is determined that 'x # LT (1) + L J, the X component of KXY is 1 in the 8930 stave.
The increment processing returns to step 8928.

Therefore, the additional pattern (2) of the left linear pattern is written into the enlarged image buffer (11) through a loop consisting of 8928 steps to 5930 steps.

Furthermore, in the 5929 step, 'x=LT(1)+L,
If it is determined that this is the case, the process proceeds to step 5934.

Furthermore, in the 5931 step above, the linear pattern on the left is N
o,9. Such a determination can be made by reading the contents of the first area (701) of the pattern register (7).

In such a determination, if it is determined that the content of the first area (701) is data indicating linear pattern No. 9, the process proceeds to step 5934; knob; otherwise, step 5
932 and 5933 steps are processed sequentially, then 5
Proceed to step 934.

In the 5932 step/bu, the X component of KXY is 'LT<1)+
Write a dot at a position in the enlarged image buffer <11) indicated by KXY in 1.5933 steps.

Therefore, in steps 5931 to 5933, when the left linear pattern of the enlarged blank pattern of the dot at position l in the pattern buffer (2) indicated by BAC is not the No. 9 pattern, the left contour position of the first dot row is A dot is written.

At step 5934, an additional pattern is added to the outline shape on the right side of the 1st enlarged white pattern in the pattern buffer (2) indicated by the BAC currently being processed! Alternatively, it is determined whether ■ exists or not. Such judgment is made using the pattern register (
This can be done by checking the contents of the fourth area (704) in 7). If it is determined in this step that there is an additional pattern (2), the process proceeds to step 5935, and if it is determined that there is an additional pattern (2), the process proceeds to step 5939. If it is determined that none of the above additional patterns exists, the process proceeds to step 5943.

In the 5935 step, the X component of KXY is set as the right reference line position ffff1R plus the content RT (1) of the first area of the right table buffer (1o), and in the next 5936 step, the expanded image buffer (
11) Write a dot in the middle position.

In step 5937, it is determined whether the X component of KXY is 1 right reference line R+47/n (rounded down to the nearest whole number). In such step 'X'#
When it is determined that R+47/n J, the process proceeds to step 8938, in which the X component of KXY is incremented by 1, and then the process returns to step 8936.

If it is determined in step 5937 that 'x-R+47/n', the process proceeds to step 5912.

Therefore, the additional pattern (2) of the right linear pattern is written into the enlarged image buffer (11) through the loop consisting of the 5936 steps to 5938 steps.

Also, in step 5939, the X component of KXY is set to R indicating the right reference line position, and in the next step 3940, K
Write a dot into the enlarged image buffer (11) indicated by XY.

In step <3941, it is determined whether the X component of KXY indicates a position separated by RT(1) in the right direction from the right reference line R, and if it is determined that "X≠RT(1)+R," , 5942 steps, the X component of KXY is 1
Once the number is increased, the process returns to step 5940.

Therefore, the additional pattern (2) of the right linear pattern is written into the enlarged image buffer (11) through a loop consisting of 3940 to 5942 steps.

Furthermore, in the 5941 step, ' x - RT (1) +
If the determination is ``R'', the process advances to step 5915.

Furthermore, in the above 5943 steps, the linear pattern on the right is N
o,9. Such a determination can be made by reading the contents of the third area (703) of the pattern register (7).

If it is determined that the content of the third area (703) is data indicating linear pattern No. 9 in the refusal determination, the process proceeds to step 5912; otherwise, the process proceeds to step 5912.
944 and 5945 steps are processed sequentially, then 5
Proceed to step 915.

59447. In the step, the X component of KXY is 'RT(1)
+ RJ To L, 5945 step, KXY
Write a dot at the position in the enlarged image buffer <11> indicated by .

Therefore, in steps 5943 to 5945, the enlarged white pattern of dots at the position in the pattern buffer (2) indicated by BAC (1) to the right of the IIIX pattern is No. 9.
If it is not a pattern, a dot is written at the right contour position of the first dot row.

Returning to step 5905, in this step '3
If it is determined to be "n", the process proceeds to step 8946.

In step 8946, it is determined whether an additional pattern (2) or (2) exists in the contour shape on the left side of the enlarged white pattern of dot and y in the pattern buffer (2) indicated by the BAC currently being processed. Such judgment is made using the pattern register (
This can be done by checking the contents of the second area (702) in 7).

If it is determined in this step that there is an additional pattern (2), the process proceeds to step 5947, and if it is determined that there is an additional pattern (2), the process proceeds to step 5951. Further, if it is determined that none of the above additional patterns exists, the process proceeds to step 5954.

In the 5947 step, the X component of KXY is set to the left reference
The content LT(n
), and in the next 8948 steps K
A dot is written at a position in the enlarged image buffer (11) indicated by XY.

In the following step 5949, it is determined whether the X component of KXY is the right reference line R or not. If it is determined in this step that "X≠R", the process proceeds to step 5950, and after the X component of KXY is incremented by 1 with the steno knob, the process returns to step 8948. Further, if it is determined that 'x=R' in step 5949, the process advances to step 5957.

Therefore, the additional pattern (2) of the left linear pattern is written into the enlarged image buffer (11) through the loop consisting of steps 5948 to 5950.

Also, in step 5951, a dot is written at the position in the enlarged image buffer (11) indicated by KXY, and in step <5952, the X component of KXY is separated from the left reference line L by LT(n>) in the right direction. It is determined whether or not the position is indicated, and if it is determined that 'X≠LT(n)+LJ, the X component of KXY is incremented by 1 at step 8953, and the process returns to step 5951.

Therefore, through a loop consisting of steps 5951 to 5953, the additional pattern (2) of the left linear pattern is written to the enlarged image buffer (11) (a).

Furthermore, at step 5952, 'x=LT(n)+L'
If it is determined that this is the case, the process proceeds to step 5957.

Furthermore, in the above 5954 steps, the left linear pattern is N
o,9. Such a determination can be made by reading the contents of the first area (701) of the pattern register (7).

In such a determination, if it is determined that the content of the first area (701) is data indicating linear pattern No. 9, the process proceeds to step 5957; otherwise, step 59
Steps 55 and 5956 are processed sequentially, and then steps 59
Proceed to step 57.

In the 5955 step, the X component of KXY is 'LT(n)
+L'', and in step 5956, a dot is written at the position in the enlarged image buffer (11) indicated by KXY.

Therefore, in steps 5954 to 5956, B A C
2) Enlargement of the dot at the position in the pattern buffer indicated by 2) When the left linear pattern of the blank pattern is not the No. 9 pattern, a dot is written at the left contour position of the n-th dot row.

In step 5957, it is determined whether an additional pattern (2) or (2) exists in the contour shape on the right side of the enlarged white dot pattern in the pattern buffer (2) indicated by the BAC currently being processed. To determine whether to decline, use the pattern register (7
) by checking the contents of the fourth area (704>).If it is determined in the refusal step that there is an additional pattern ■, the process proceeds to step 5958, and if it is determined that there is an additional pattern ■, the process continues. The process advances to step 8962. If it is determined that none of the above additional patterns exists, the process advances to step 5966.

In the 5958 step, the X component of KXY is set to the right reference line position R and the content L of the nth area of the right table buffer (10) is transferred.
T(n), and in the next 5959 steps, the enlarged image buffer AC 11 denoted by KXY is added.
) Write a dot in the middle position.

In the following step 8960, it is determined whether the X component of KXY is "right reference margin R+47/n (rounded down to the nearest whole number)". In such a step, “x#R+4
If it is determined to be 7/n4, the process proceeds to step 5961, in which the X component of KXY is incremented by 1, and then the process returns to step 5959.

Also, with 5960 steps, 'x - R+47/n'
If it is determined that this is the case, the process proceeds from step S9 to step 810.

Therefore, through the loop consisting of steps 5959 to 5961, the additional pattern (2) of the linear butter on the right is stored in the enlarged image buffer (11).

In step 5962, the X component of KXY is set to R indicating the right reference line position, and in the next step 5963, a dot in the enlarged image buffer (11) indicated by KXY is written.

'If, < 3964 step, it is determined whether or not the X component of KXY indicates the right reference line position,
If it is determined that "x≠RT(n)+R", the X component of KXY is incremented by 1 in step 5965, and the process then returns to step 5963.

Therefore, the additional pattern (2) of the right linear pattern is written into the enlarged image buffer (11) through a loop consisting of steps 5963 to 5965.

Furthermore, in 5964 steps, 'x=RT(n)+R'
If it is determined that this is the case, the process proceeds to step 5915.

Furthermore, in the 8966 steps above, the linear pattern on the left is N
o,9. Such a determination can be made by reading the contents of the third area (703) of the pattern register (7).

In such a determination, if it is determined that the content of the third area (703) is data indicating linear pattern No. 9, the process proceeds from step S9 to step 510, and if not, steps 5967 and 5968 are sequentially executed. Processed, then proceed to step 5915.

59677, at step, the X component of KXY is 'RT(n
) + RJ write a dot at the position in the enlarged image buffer 11) indicated by KXY in step 8968.

Therefore, in steps 5966 to 5968, when the right linear pattern of the enlarged white dot pattern at the position in the Bakoon buffer (2) indicated by BAC is not No. 9 Badan, a dot is written at the right contour position of the nth dot row. be included.

Next, as a specific example, the 5×7 dot pattern (hereinafter referred to as the basic pattern) shown in FIG. 2 will be enlarged three times.

Figures 62(a) to (r) show the presence of surrounding dots for determining the left side contour shape when each dot in the basic pattern is used as a reference dot and the reference dot is enlarged. . Moreover, FIGS. 63(a) to (r) show the presence of surrounding dots for determining the right side contour shape when the reference dot is enlarged when each dot in the basic pattern is used as a reference dot. .

The table below shows left and right contour shape data of each dot determined from the surrounding dots shown in FIGS. 62 and 63 above.

Therefore, when each dot of the basic pattern is sequentially enlarged based on the flowcharts of FIGS. 58 to 61 and stored in the enlarged image buffer (11), the second area of the control register (3) is When the numerical value stored in (302) is rO'', the enlarged white pattern shown in FIG. 64 is stored in the enlarged image buffer (11), and also stored in the second area (302). 1 and 'N-2J, an enlarged white pattern with a shadow in which the width of the right contour line is thickened to 3 bits is stored in the enlarged image buffer <11) as shown in FIG. When the numerical value stored in the second area (302) is 12'' and rN-2,0, an expanded white pattern with a double outline on the right as shown in FIG. 66 is displayed in the expanded image buffer (11). is stored in

(g) Effects of the Invention According to the method of the present invention, the right side contour shape at the time of enlargement is determined based on the connection situation between T1 and T1 of the basic pattern, and then the right side contour line is changed to a double line based on the rejected determination result. Since an enlarged white pattern can be formed, the number of times of determination can be twice the maximum number of dots constituting the basic pattern, regardless of the enlargement magnification.

[Brief explanation of drawings]

FIG. 1 is a block diagram showing an embodiment of the present invention, FIG. 2 is a schematic diagram showing a basic pattern, 3rd rgJ is a schematic diagram showing a contour shape, FIGS. 4 to 26, and 29 to 51. ,
Figures 62 and 63 are schematic diagrams showing the relationship between the reference dot and surrounding dots, Figure 27 is a schematic diagram showing the relationship between the basic linear pattern and its corresponding number, and Figures 28 and 52 are the outlines. Schematic diagrams showing shape data, Figures 53(a) to (j
) is a schematic diagram showing a table stored in the table memory, and FIG. 54 explains the correspondence between the positional relationship of each dot in the pattern buffer and the positional relationship of each dot in the enlarged white pattern in the enlarged image buffer. Schematic diagram for
55 and 58ryJ to 61 are flow charts for explaining the operation of this embodiment, FIG. 56 is a schematic diagram for explaining left and right reference lines when writing an enlarged white pattern, and FIG. 57 is a schematic diagram for explaining the left and right reference lines when writing an enlarged white pattern. FIGS. 64 to 66 are schematic diagrams for explaining the scanning order in the pattern buffer, and are schematic diagrams showing patterns enlarged by the method of the present invention. (2) Pattern buffer, (5) (6) Left and right pattern determination section, (7) Pattern register, (11
)...Enlarged image bar/sofa.

Claims (1)

[Claims] (1) A pattern buffer in which the basic dot pattern to be enlarged is stored, and the right contour of one dot in the buffer when the dot is enlarged based on the relationship with the dots existing around the dot. a determination unit that determines the shape;
In an apparatus equipped with a pattern register in which data of the contour shape determined by the determination unit is stored and an enlarged image buffer in which an enlarged pattern is stored, The determination unit determines the right contour shape of the predetermined one dot when enlarged, stores the shape data in the pattern register, and stores the right contour shape at a predetermined position in the enlarged image buffer based on the shape data in the register. A method for forming an enlarged white pattern, comprising writing an outline pattern, and then writing the right outline pattern at a position spaced apart by a predetermined dot to the right from the predetermined position.