JPH02201691A - Character painting-out device - Google Patents

Abstract

PURPOSE:To paint out a character at high speed by accessing only a character develope area, where the developed character exists, and executing the painting- out based on the relevant contour information. CONSTITUTION:An access means 5 is composed of a processor 6 and address set part 7. The processor 6 developes the character based on vector information stored in a data memory 1 and stores the contour information of the developed character to a drawing memory 2. Then, an address is set to access the character develope area where the developed character exists. On the other hand, the address set part 7 inputs address information set by the processor 6 and accesses the drawing memory 2 based on these inputted address information. The contour of the character based on the vector information is developed to the drawing memory and painting-out processing is executed to the internal part of the contour for this developed character by a painting-out circuit 3. Thus, the painting-out processing of the character can be executed at high speed.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a character filling device that fills in four areas of a character based on character outline information.

(Prior Art) FIG. 4 is a diagram showing a general vector font drawing process.
When vector information 31 is input, drawn characters 32 are created based on this information. This drawn character 32 is expanded into a white character 34 by a vector drawing curve generation section 33, and then filled in by a seed fill (filling) section 35 to become a completed character 36. Note that the white characters 34 are, for example, shown in FIG. 5 (a>(b
), the characters are developed in the development area 40 on the plane of the drawing memory, regardless of the size of the characters.

[Problems to be Solved by the Invention] By the way, in the process of drawing the vector font described above, when performing seed fill (filling), it is necessary to
024B i txl It is developed on the memory plane of 024B i t, and then the plane is filled again.

In this case, regardless of the size of the characters developed in the development area 40, the entire development area 40 will be scanned and filled in, and even if small characters are developed, the characters will not be developed. However, the same amount of processing time was required for filling in characters, and it was not possible to fill in characters at high speed.

The present invention has been made in view of the above-mentioned circumstances, and an object of the present invention is to provide a character filling device that can perform character filling processing at high speed.

(Means and effects for solving the problem) The present invention has the following features:
A means for recording/increasing the contour information of the expanded character, and an access means for accessing the power of the character area where the expanded character exists in the storage means. The force within the character development area, which varies depending on the size of the character, is accessed, and the filling process is performed based on the outline information of the character developed in the area.

〔Example〕

Embodiments of the character filling device according to the present invention will be described below with reference to the accompanying drawings.

FIG. 1 is a block diagram showing an embodiment of a character filling device according to the present invention. In the figure, a data meter 1 stores vector information regarding characters and the like. The outline of the character is developed in the drawing memory 2 based on the information from Muk1 to Ru.
The inside of the expanded character outline is the fill circuit 3.
The filling process is performed by . The character whose outline has been filled in is expanded into the expansion memory 4 as a completed character.

The access means F] includes a processor 6 and an address setting section 7.
The processor 6 includes a data memory 1
Characters are expanded based on the Muk1~L information (vector font) recorded in the , and the contour information of the expanded characters is stored in the 1 stroke memory 2, and the expanded characters are (after existing) Set the address for accessing the character space area.

On the other hand, the address setting section 7 manually inputs the address information set by the processor 6 and accesses the drawing memory 2 based on the input address information.

Here, the development of the outline of a character, etc. according to the present invention is performed by centering on any one of the upper left, lower left, upper right, and lower right of the character pattern drawing memory area 10 shown in FIG. 2 (a>). Expansion takes place.

That is, in the embodiment, the processor 6, for example,
As shown in Figure (a), based on the maximum value in the X direction and the maximum value in the Y direction, the The positional coordinates of the point indicated by are recognized, and the vector information of the vector font is calculated based on the amount of movement when this positional coordinate is moved to the positional coordinate of the point indicated by arrow B in Fig. 2(a). The positional coordinate information of each vector is changed, and as shown in FIG. 2(b), the character space area 11A centered at the lower right of the character pattern drawing memory area 1o is secured and the characters are developed. Similarly, small characters can also be expanded as shown in FIG. 2(C).

Further, the processor 6 sets the address for accessing the character space area as shown in FIGS. 2(b) and 2(C).
As shown in the figure, the scan start position in the character pattern drawing memory area 10, that is, the character development area 11A
, 11B, an address value indicating the start position S of scanning, that is, address information A indicating the initial value, and an address indicating the lower part of the address for specifying the start position in the Y direction of scanning the character development areas 11A and 11B. Information B
Set.

FIG. 3 is a block diagram of the character filling device showing the address setting unit 7 in more detail in the block diagram shown in FIG. In FIG. 3, the same components as those shown in FIG. 1 are designated by the same reference numerals. The address setting section 7 includes an address register 21, an address setting circuit 22, a control signal generation circuit 23, and an end address detection circuit 24.

The address register 21 holds address information, and the address setting circuit 22
Address information B@ is set to 1.

The control signal generation circuit 23 does not indicate an initial value and uses address information A.
is input into the address register 21, the address
It outputs a selection signal for selecting address information B to be input into the register 21, and also outputs a timing signal for inputting and outputting the selected address information B to and from the address register 21 at a predetermined timing.

When the end address detection circuit 24 detects the address of the end word in the character pattern for one character, it outputs an end signal indicating that one character is the end.

Next, the filling processing operation of the above character filling device is f
This will be explained based on Fig. f13.

For example, the processor 6 stores address information A at a position indicated by an arrow S in the character development area 11A shown in FIG. 2(b).
(initial value) and address information B indicating the lower part of the address.

The initial 111] value (address information A) output from the processor 6 is input to the address register 21 via bus A, and further input to the drawing memory 2 via bus B. Data accessed based on the address information A is output from the drawing memory 2 to the filling circuit 3.

On the other hand, the address information B output from the processor 6 is
It is input to the address setting circuit 22 via bus C.

The control signal generation circuit 23 determines that the address information A is an address.
When recognizing the input to the register 21, it outputs a selection signal and a timing signal.

As a result, the address information B input to the address setting circuit 22 is selected based on the selection signal, and is further input into the address register 21 via the bus D based on the timing signal.

In the address register 21 in which the address information B is written in this way, the address value indicating the initial value is incremented by "+1" each time the drawing memory 2 is accessed one word at a time, and the address value at this incremented address is incremented by "+1". The drawing memory 2 is accessed based on the lower part, that is, address information B.

As a result, contour information is sequentially accessed from the drawing memory 2 based on the incremented address. Then, the end address detection circuit 24 detects the address
When the address of the end word in the character pattern for one character input from the register 21 via the bus E is detected, an end signal is output to the control signal generation circuit 23. When the control signal generation circuit 23 receives the end signal output from the end address detection circuit 24, it outputs a selection signal and a timing signal.

As described above, from the drawing memory 2 accessed by the address setting section 7, only the character development area 11A is accessed.

Subsequently, the processor 6 uses the address information A (initial value) and the address information B to scan the character development area for the next character pattern, for example, the character development area 11B shown in FIG. 2(C). Output. As a result, the address setting section 7 accesses only the character development area 11B related to the next character pattern J-, as described above, based on the respective address information.

Note that when accessing the character development area 11B for small characters shown in FIG. 2(C), the character development area 11B is smaller than the character development area 11A for large characters shown in FIG. 2(b). This can be done in a shorter time than accessing 11A.

As described above, in this embodiment, since the access time to the drawing memory 2 differs depending on the size of the character, the filling process can be performed at high speed.

[Effect of the Invention] As explained above, according to the present invention, only the character development area where the developed character exists is accessed and filling is performed based on the corresponding outline information. The access time to the storage means (drawing memory) for writing is shortened, and there is an advantage that character filling processing can be performed at high speed.

[Brief explanation of the drawing]

Fig. 1 is a block diagram showing an embodiment of the character filling device according to the present invention, Fig. 2 is an explanatory diagram for explaining the filling process of this embodiment, and Fig. 3 is a block diagram showing an embodiment of the character filling device according to the present invention. A block diagram showing the device in more detail, Figure 4 shows one culm of general solid font drawing.
: Culm diagram, FIG. 5 is an explanatory diagram for explaining the filling process of the conventional character filling device. 1...Data memory, 2...Drawing memory, 3...
Filling circuit, 4... Expansion memory, 5... Access means, 6... Brossezer, 7... Address setting unit, 21... Address register, 22... Address setting circuit, 23... - Control signal generation circuit, 24...End address detection 11" circuit.

Claims (1)

[Scope of Claims] It has a storage means for storing outline information of developed characters,
A character filling device that fills in a character based on its outline information, further comprising an access means for accessing only a character development area in the storage means in which a developed character exists, and based on the outline information accessed by the access means. A character filling device characterized in that a character is filled in by using a button.