JPH0773011A - Graphic plotter - Google Patents

Abstract

PURPOSE:To easily perform transportation to different plotting circumstances even in the case of the change of plotting circumstances of hardware and software at the time of plotting picture data, graphic data, and character data on monitor and graphic display devices. CONSTITUTION:The graphic plotter which plots picture data, graphic date, and character data on monitor and graphic display devices is separated into a part (part dependent upon plotting circumstances) 2 dependent upon plotting circumstances of hardware and software and a part (common part) 1 independent of them and is provided with a virtual graphic interface part 3 interposed between them. Since the common part 1 and the virtual graphic interface part 3 can be applied even at the time of the change of plotting circumstances of hardware and software and only the part 2 is changed to cope with this change, transportation to different plotting circumstances is easily performed.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a GUI (Graphi)
The present invention relates to a graphic drawing device that visually displays image data, graphic data, and character data with the rapid development of the Cal User Interface.

[0002]

2. Description of the Related Art Conventionally, when drawing image data, graphic data and character data on a monitor and a graphic display, it is necessary to register various drawing data and set drawing control for controlling various drawing ON / OFF and display colors. is necessary. The registration of these drawing data and the setting of the drawing control are hard coded in consideration of the drawing environment of hardware and software. For example, when drawing (image data, graphic data and character data) on a monitor in an actual machine is drawn on a graphic display of a workstation, or when image data, graphic data and character data are displayed on a graphic display at a workstation with a different drawing environment. In the case of drawing in, it is often necessary to perform hard coding in consideration of the drawing environment of hardware and software.

[0003]

The above-mentioned prior art does not consider portability when the drawing environments of hardware and software are different, and porting to different drawing environments is a full coding change, which is problematic. . An object of the present invention is to facilitate porting to different drawing environments when drawing image data, graphic data and character data on a monitor and a graphic display, even when the drawing environments of hardware and software change. It is in.

[0004]

[Means for Solving the Problems] The above-mentioned objects are a drawing data display section corresponding to a drawing environment dependent section of hardware and software (drawing environment dependent section) and drawing data corresponding to a drawing environment independent section (common section). Separate the registration part and the drawing control setting part, provide a virtual graphic interface part between them, and change only the drawing environment dependent part if the drawing environment is different (common part and virtual graphic interface part are reused) Is achieved by

[0005]

The drawing data registration unit and the drawing control setting unit register the drawing data and set the drawing control in the virtual graphic interface unit, and the drawing data display unit registers the drawing data and the drawing in the virtual graphic interface unit. Drawing is performed based on the control settings. When the drawing environments of hardware and software are different, the drawing data registration unit, the drawing control setting unit, and the virtual graphic interface unit are diverted, and only the drawing data display unit is changed. This allows the drawing target to be easily ported.

[0006]

EXAMPLES The present invention will be described below with reference to examples. Figure 1
FIG. 3 is a block configuration diagram of a graphic drawing device of an embodiment of the present invention. In this figure, 1 is a common part that does not depend on the drawing environment of hardware and software, 2 is a drawing environment dependent part that depends on the drawing environment of hardware and software, and 3 is between the common part 1 and the drawing environment dependent part 2. A virtual graphic interface unit 4 located at is a drawing data display device such as a monitor and a graphic display. The virtual graphic interface unit 3 includes an image data registration table 300, a graphic data registration table 301, a character data registration table 302, and a drawing control setting table 310. The image data registration table 300, the graphic data registration table 301,
The character data registration table 302 is generically called the drawing data registration table 30.

The internal structure of the image data registration table 300 is exemplified in FIG. 2, and the drawing position (X coordinate, Y coordinate) for drawing the image data, the drawing brightness (R component, G component, B component) and the like are recorded. . The internal structure of the graphic registration table 301 is illustrated in FIG. 3, and the drawing position (X coordinate, Y coordinate) that is the reference of the graphic data, various parameters, drawing brightness (R component, G component, B component), figure type, etc. To record. The internal structure of the character data registration table 302 is exemplified in FIG. 4, and the drawing position (X coordinate, Y coordinate) located at the beginning of the character data, drawing brightness (R component, G component,
B component), character string, etc. are recorded. The internal structure of the drawing control setting table 310 is exemplified in FIG. 5, and ON / O of drawing for image data, graphic data, and character data.
Record FF.

The common unit 1 comprises a drawing data registration unit 10 and a drawing control setting unit 11. Drawing data registration unit 1
0 registers the information of the drawing data in the drawing data registration table 30 in the virtual graphic interface unit 3. Further, the drawing control setting unit 11 registers the information of the drawing data in the drawing control setting table 310 in the virtual graphic interface unit 3. The drawing environment dependent unit 2
The drawing data display unit 20 is used. The drawing data display unit 20 reads out necessary drawing data from the drawing data registration table 30 of the virtual graphic interface unit 3 based on the setting of the drawing control setting table 310 in the virtual graphic interface unit 3 and draws the drawing data on the drawing data display device 4. To do. In this drawing, as shown in FIG. 6, character data is placed on the uppermost layer, then graphic data,
This is performed by a three-layer structure in which image data is arranged in the lowest layer.
When expanding the variation of drawing, the registration items of the drawing data registration table 30 in the virtual graphic interface unit 3 are expanded.

Based on the relationship between the common unit 1, the drawing environment dependent unit 2 and the virtual graphic interface unit 3 described above, the operation is shown by the flowchart of FIG. The details will be described below. In this description, the drawing control setting unit 1 of FIG.
The first module is the drawing control setting module 100, which is exemplified below. disp_ctl: Set drawing control in the drawing control setting table ... (1) Further, the module of the drawing data registration unit 10 in FIG. 1 is the drawing data registration module 200, which is exemplified below. image: Register the image data in the image data registration table (2) polyline: Register the broken line graphic data in the graphic registration table ………………………………………… (3) rect: Registering the rectangular graphic data to the graphic registration table ………………………………………… (4) polygon: Registering the polygon graphic data to the graphic registration table ………… ……………………………… (5) circle: Register the graphic data of the circle in the graphic registration table ……………………………………………… (6) ellipse : Register the ellipse graphic data in the graphic registration table ……………………………………………… (7) text: Character data And registers the character data registration table (8) Furthermore, the module of the drawing data display unit 20 of FIG. 1,
The drawing data display module 220 is exemplified below. disp: draws the read drawing data on the drawing data display device (9) The drawing control setting module 100 illustrated in (1) sets the drawing target in the drawing control setting table (FIG. 1-310) in step 110. It is a module having a function. The drawing data registration module 200 illustrated in (2) to (8) registers the drawing data in the drawing data registration table (FIGS. 1 to 30) in step 210, and then executes the drawing data display module 220 illustrated in (9). It is a module that has a calling function. The drawing data display module 220 exemplified in (9) first determines in step 221 whether or not to draw on the drawing data display device (FIGS. 1-4) according to the setting contents of the drawing control setting table (FIGS. 1-310). If there is no drawing, this module ends. Next, if there is drawing, steps 222 and 22.
4, 226, again the drawing control setting table (see FIG. 1-3).
10) Refer to the setting contents and read the drawing data (image data, graphic data, character data) from the drawing data registration table (FIG. 1-30) according to the setting contents, and draw data in steps 223, 225 and 227. Is generated. Finally, the drawing data generated in step 228 is drawn on the drawing data display device (Fig. 1-4). Here, the drawing control setting module 100 of (1) and the drawing data registration module 200 of (2) to (8) correspond to the common unit 1 of FIG. Further, the drawing data display module 220 (9) corresponds to the drawing environment dependent unit 2 in FIG. When drawing image data, graphic data and character data on a monitor and a graphic display, the coding is performed by a combination of the drawing control setting module 100 illustrated in (1) and the drawing data registration module 200 illustrated in (2) to (8). That is, even if the drawing environment of the hardware and software changes, it does not affect the coding of the headquarters. Only the drawing data display module 220 illustrated in (9) depends on the change of the drawing environment. Therefore, a change in the drawing environment can be dealt with only by changing the drawing data display module 220 illustrated in (9). As described above, according to the present embodiment, when the image data, the graphic data and the character data are drawn on the monitor and the graphic display, the drawing control setting module 100 and the drawing data registration illustrated in (1) to (8) are registered. The drawing data display module 220 illustrated in (9) is coded by combining the modules 200.
Only by changing the hardware and software according to the drawing environment, it is possible to easily port to a different drawing environment.

[0010]

According to the present invention, when the image data, the graphic data and the character data are drawn on the monitor and the graphic display, even when the drawing environment of the hardware and the software is changed, the common part and the virtual graphic interface are used. Since it can be dealt with by diverting parts and changing only the drawing environment dependent part, there is an effect that porting to different drawing environments can be easily performed.

[Brief description of drawings]

FIG. 1 is a block configuration diagram of a graphic drawing apparatus according to an embodiment of the present invention.

FIG. 2 Internal structure of image data registration table

FIG. 3 Internal structure of graphic data registration table

[Fig. 4] Internal structure of character data registration table

FIG. 5: Internal structure of drawing control setting table

FIG. 6 Hierarchical structure of drawing data

FIG. 7 is a flowchart of the operation.

[Explanation of symbols]

 1 common part 2 drawing environment dependent part 3 virtual graphic interface part 4 drawing data display device 10 drawing data registration part 11 drawing control setting part 20 drawing data display part 30 drawing data registration table 300 image data registration table 301 graphic data registration table 302 characters Data registration table 310 Drawing control setting table 100 Drawing control setting module 200 Drawing data registration module 220 Drawing data display module

Claims (3)

[Claims] 1. In a graphic drawing device for drawing image data, graphic data and character data on a monitor and a graphic display, a part which depends on a drawing environment of hardware and software (a drawing environment dependent part) and a part which does not depend (common). A graphic drawing device characterized by being separated into 2. In a graphic drawing device for drawing image data, graphic data and character data on a monitor and a graphic display, a part which depends on a drawing environment of hardware and software (drawing environment dependent part) and a part which does not depend (common). Part) and a virtual graphic interface part is provided between the two parts. 3. The drawing environment dependent unit according to claim 1 or 2, wherein the drawing environment dependent unit has a drawing data display unit, and the common unit has a drawing data registration unit and a drawing control setting unit, respectively. Is characterized by performing drawing data registration and drawing control setting with respect to the virtual graphic interface unit, and drawing data display unit performing drawing based on the drawing data registration and drawing control setting of the virtual graphic interface unit. Graphic drawing device.