JPH0380295A - Letter code image forming device - Google Patents

Abstract

PURPOSE:To freely change a font, a size or an angle in the case of forming a letter code image by providing a control part for adding a coordinate to font information so that the character may be formed with the font information by which image processing is performed. CONSTITUTION:The output side of a memory only used for reading out basic font(ROM) 3 is connected to an OR circuit 7 through a width changing part 4 for forming a specified width in an X axis direction or a Y axis direction in the read out basic font, an enlargement and reduction part 5 for enlarging the basic font in which the width is formed in the Y axis direction and an angle part 6 for processing rotation at a specified angle. Data processing performed in the width changing part 4, the enlargement and reduction part 5 and the angle part 6 respectively is executed with a control signal transmitted from a central processing unit(CPU) 1. Since the enlargement and reduction data of the basic font data and the coordinate data for forming the character from the basic font are controlled by the CPU 1, the font, the size or the inclination of the character and a mark are freely changed.

Description

[Detailed description of the invention] [Industrial application field] The present invention relates to a character/symbol image forming apparatus.

[Prior art and its problems] A method of forming a so-called font, which is data for expressing characters, is as shown in Figure 11, which uses data on the start and end points of each side of a character and the vectors of each side. There are two types of fonts: a vector font method in which a font is formed using components, and a dot matrix method in which a region partitioned into a matrix is filled in, as shown in FIG.

In the case of the dot matrix method, if you change the inclination of the font, so-called angulation, or perform font scaling processing, the font size and display position will change, so you will need to have completely different data. There was a problem.

In the case of a vector font system, data is stored separately for each point of change in the font, and a font is formed from each data and the coordinates of the points of change. In this case, you can change the angle or perform scaling processing by modifying these font data, but for example, if the font is a Mincho font and you want to form a Gothic font, the font will change. Therefore, it is necessary to have a completely different font, and the amount of data is also large, similar to the dot matrix method.

The present invention has been made to solve these problems, and provides a character symbol image forming device that can freely convert the font, size, or angle when forming character symbol images without increasing the amount of data. The purpose is to

[Means for Solving the Problems] The present invention includes a storage unit that stores basic font information such as characters and symbols, and a method for adding width, enlarging and reducing the font information read from the storage unit. , an image processing unit that performs at least one of the image processing of angle changes, the storage unit, and the image processing unit, and controls the operation of the image processing unit so that characters are formed using font information subjected to image processing. The present invention is characterized by comprising a control unit that adds coordinates to font information.

[Operation] With this configuration, the image processing section performs image processing based on the font information read from the storage section, and the control section is configured to form characters, etc. on the image-processed font information. Coordinate information sent from the above is attached. The image processing unit also adds width to the basic font and changes the angle to form various fonts such as Gothic and Mincho fonts.

[Embodiment] In FIG. 1 showing an embodiment of the character and symbol image forming apparatus of the present invention, a central processing unit (hereinafter referred to as (written as CPU)! A continuous read only memory (hereinafter referred to as ROM) 2 is connected to the input (till) in which algorithms for conversion, etc. for drawing characters etc. are stored. Therefore, the CPU 1 draws character symbols according to the algorithm read from the ROM 2. etc. The output side of the CPUI is connected to a basic font ROM 3 that stores data of basic fonts that make up fonts, such as those shown in Figures 2 and 3. An address signal is sent to the basic font ROM 3 so that data constituting the basic font as described above is sent.

The output side of the basic font ROM 3 converts the read basic font into a predetermined width in the X-axis direction or the Y-axis direction, as shown in FIGS. 4, 5, and 8. As shown in FIG. 6, the width conversion unit 4 converts the basic font whose width is formed as shown in FIG.
It is connected to an OR circuit 7 through an enlargement/reduction section 5 that performs an enlargement process in the axial direction and an angle section 6 that performs a rotation process by a predetermined angle in a clockwise direction about the origin A as shown in FIG.

Note that the enlarging/reducing section 5 can also perform a reduction process, and the angle section 6 can also not rotate. Data processing in the width conversion section 4, enlargement/reduction section 5, and angle section 6 is executed by control signals sent from the CPUI.

The output side of the OR circuit 7 is connected to a one-character bitmap RAM 8 that stores bitmap data for one character that has been subjected to the data processing described above. - Connected to the page bitmap RAM 9. It should be noted that data writing and reading of stored bitmap data in the -character bitmap RAM 8 are performed by an address signal sent by the CPU 1.

As shown in FIG. 7, when the OR circuit 7 draws the image ■ over the image ■, the portion of the image I that overlaps with the image ■ is not filled in and appears white, as shown by the dotted line. -Page bitmap RAM 9 is a part that stores bitmap data for one page when a character bitmap is completed, and is used for writing and storing data. Bitmap data is read using an address signal sent by cput.

The operation of the character/symbol image forming apparatus configured as described above will be explained below.

For example, when considering a font for the character ``person'', the CPU
According to the address signal sent from I, the basic font R
Font 5 of “ノ” shown in Figures 2 and 3 from OM3
Two basic fonts are read out: 0 and ``length'' font 51. The read basic font is converted into a predetermined width in the X-axis direction by the width conversion unit 4 as shown in FIGS. 4 and 5, or is converted into a predetermined width as shown in FIG. The basic font is enlarged in the Y-axis direction by the enlargement/reduction unit 5,
Alternatively, the angle unit 6 rotates the image by an angle ψ in a clockwise direction about the origin A of the image.

In order that the origin A of the font 50 shown in FIG. 6 formed in this way and the origin B of the font 51 shown in FIG.
8 is supplied with an address signal from cput, the 6th
A human character as shown in the figure is formed.

The character image for each character formed in this way is stored in the bitmap RAM 9 for one page.

It is also possible to fix one end of the Bezet curve and shift it little by little to form the width.

As described above, according to the character/symbol image forming apparatus of this embodiment,
Various basic font data are stored in the basic phono ROM 3, and scaling data of this basic font data and coordinate data for forming characters from the basic font are stored in the CP.
Since it is controlled by the UI, there is no need to have any new data and any character symbol font can be configured.

Furthermore, by adding data of various widths and inclinations to the basic font scaled as described above, it is possible to configure fonts of all types of fonts, such as Gothic and Mincho. Therefore, even if the font changes, there is no need to have a new font, and the amount of data does not increase.

[Effects of the Invention] As detailed above, according to the present invention, image processing such as adding width, enlarging/reducing, and changing the angle of a stored basic font is performed, and characters, etc. are displayed in the image-processed font. By adding coordinates to the above font so that it is formed,
To freely convert the font, size, or inclination of characters and symbols when forming character and symbol images without increasing the amount of data.

[Brief explanation of drawings]

FIG. 1 is a block diagram showing the configuration of an embodiment of the character/symbol image forming apparatus of the present invention, FIGS. 2 and 3 are diagrams showing basic fonts, and FIGS. 4 and 5 are diagrams showing the width of the basic font. Figure 6 is a diagram showing the case where the basic font is enlarged and rotated, Figure 7 is a diagram showing the overlapping of images including each font, and Figure 8 is the case where width is formed in the basic font. , FIGS. 9 and 10 are diagrams showing other embodiments of forming widths in basic fonts, FIG. 11 is a diagram showing a vector font method, and FIG. 12 is a diagram showing a dot matrix method. . l...CPU, 3...Basic font ROM. 4... Width conversion section, 5... Enlargement/reduction section, 6... Angle section.

Claims (1)

[Claims] (1) A storage unit that stores basic font information such as characters and symbols, and at least one of image processing such as width addition, enlargement/reduction, and angle change based on the font information read from the storage unit. an image processing unit that controls the operations of the storage unit and the image processing unit, and a control unit that attaches coordinates to the font information so that characters are formed using the font information that has undergone image processing; A character/symbol image forming device comprising: