JP2002123348A - Information processing apparatus for executing window application, execution method thereof, and storage medium - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an information processor which adequately can display a window application according to a screen size, its display method, and a storage medium. SOLUTION: An image display property, based upon the contents of the image display property having a value matching with a display indication property 202 stored in the window application 201 is selected out of the image display properties regarding an image display of the information processor 101. When the image display property having the value matching with the display indication property 202 is not present, an image display property having a value closest to the display indication property 202 is selected. According to the image display property which is thus selected, the window application 201 is displayed on a display device 104.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] 1. Field of the Invention [0002] The present invention relates to an information processing apparatus for executing a window application, an execution method thereof, and a storage medium.

[0002]

2. Description of the Related Art Today, personal computers (hereinafter referred to as P
C), workstation (hereinafter WS), PDA (pers
Many information processing devices such as onal digital assistants) use a GUI (graphical user int) as an input interface.
erface: Graphical user interface).

Conventionally, a window application executed in an information processing apparatus employing a GUI includes a central processing unit (CPU) and an operating system (O / O).
S), etc., have been separately developed corresponding to the architecture of the information processing apparatus. However, in recent years, Java (Sun Micr
osystems Inc. registered trademark) language like CPU or OS
A platform-independent language that is independent of is being developed. Window applications developed using such languages are not affected by architectural differences. Therefore, the same window application can be used in various types of information processing devices. Under such an environment, a window application created in a platform-independent language is transferred between a PC, a WS, a PDA, and the like, and is executed on a different information processing apparatus.

[0004]

However, even a window application created in a platform-independent language has a problem caused by a difference in screen size of a display of an information processing apparatus for executing the window application. . That is, when a window application developed for a relatively large screen size such as a PC is executed on a small screen of a portable information device such as a PDA, there is a problem that only a part of the window application is displayed. For this reason, a problem has arisen that the developer of the window application needs to develop a plurality of window applications in order to support different screen sizes such as a PC and a portable information device.

It is an object of the present invention to provide an information processing apparatus capable of appropriately displaying a window application according to a screen size, a display method thereof, and a storage medium.

[0006]

To achieve the above object, an information processing apparatus according to claim 1 has device information including at least an image display property relating to image display,
An information processing apparatus for executing a window application including a display instruction property according to the content of the image display property, wherein device information reading means for reading the device information, property reading means for reading the display instruction property, and Property analysis means for analyzing the display instruction property from device information; and selecting an image display property having a value corresponding to the analyzed display instruction property from the read image display properties, and selecting a value corresponding to the display instruction property. When there is no image display property, property selecting means for selecting an image display property having a value closest to the display instruction property, and display means for displaying the window application based on the selected image display property. And it said that there were pictures.

[0007] The information processing apparatus according to the second aspect is the first aspect.
In the information processing device described above, the display instruction property includes a screen size, font information, and color information of a display device that displays an image.

According to a third aspect of the present invention, in the information processing apparatus having device information including at least an image display property relating to image display, an information processing apparatus executes a window application including a display instruction property according to the content of the image display property. A device information reading step of reading the device information; a property reading step of reading the display instruction property; a property analyzing step of analyzing the display instruction property from the read device information; and the read image display property From among the selected image display properties of the values that match the analyzed display instruction properties,
A property selecting step of selecting an image display property having a value closest to the display instruction property when there is no image display property having a value matching the display instruction property; and displaying the window application based on the selected image display property. And a display step.

According to a fourth aspect of the present invention, in the execution method of the third aspect, the display instruction property includes screen size, font information, and color information of a display device for displaying an image.

According to another aspect of the present invention, there is provided an information processing apparatus having device information including at least an image display property relating to image display, wherein a window application including a display instruction property according to the content of the image display property is provided. A readable storage medium storing a program for executing an execution method, wherein the program includes a device information reading module for reading the device information, a property reading module for reading the display instruction property, and the read device. A property analysis module for analyzing the display instruction property from information, and selecting an image display property having a value corresponding to the analyzed display instruction property from the read image display properties;
A property selecting module for selecting an image display property having a value closest to the display instruction property when there is no image display property having a value corresponding to the display instruction property; and displaying the window application based on the selected image display property. A storage medium, comprising:

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an information processing apparatus according to an embodiment of the present invention will be described in detail with reference to the drawings.

(First Embodiment) FIG. 1 shows a first embodiment of the present invention.
FIG. 2 is a block diagram illustrating a schematic configuration of an information processing apparatus according to the embodiment.

The information processing apparatus 101 according to the first embodiment of the present invention is, for example, a personal computer (P
C), workstations (WS), and embedded devices. The information processing apparatus 101 includes a central processing unit (CPU) 102 configured by a microprocessor or the like that executes various processes described below, a main storage device 103 configured by a RAM or the like, and a display such as a CRT display or a liquid crystal display. The apparatus includes an apparatus 104, an input device 105 such as a keyboard and a pointing device, and an external storage device 106 having a storage medium such as a hard disk, a magneto-optical disk, a PC card memory, or a flash memory. The exchange of data and signals between these components is performed via the bus 107.

The central processing unit (CPU) 102 is constituted by a microprocessor or the like for executing each processing described later. The external storage device 106 stores an operating system (OS), a window application, and various other application programs, and the main storage device 103 stores an operating system (OS) and programs read from the external storage device 106. . The display device 104 displays an image based on a running program. This display device 104
In the information processing apparatus 101 adopting the GUI, the input apparatus 105 also serves to display an input screen for inputting various information.

The information processing apparatus 101 can be connected to another PC or WS through the network 110 as needed.
From the connected PC or WS, the window application stored therein can be transferred to the information processing apparatus 101. The information processing apparatus 101 includes a small portable terminal, a PD
A. Wireless communication can be established with the portable information device 109 such as a mobile phone as needed. As a result, the window application stored in the portable information device 109 can be transferred to the information processing apparatus 101.

In the information processing apparatus 101 having the above configuration, when execution of the window application is instructed, the window application stored in the external storage device 106 is read into the main storage device 103, and the central processing unit 102 Execute The status of the window application being executed is displayed on the display device 104. Data necessary for executing the window application can be input from the input device 105.

When executing a window application transferred from an external device such as a PC, a WS 108 or a portable information device 109 instead of a window application stored in the external storage device 106 of the information processing apparatus 101, The processing device 102 stores the transferred window application in the main storage device 103 and then executes the window application.

FIG. 2 shows the information processing apparatus 101 in FIG.
FIG. 3 is a block diagram illustrating a data processing function of FIG.

FIG. 2 shows a window application 201 and a window system 204 which is a program for causing the information processing apparatus 101 to execute the window application 201. The window application 201 includes a display instruction property 202 and an execution module 203. The property 202 includes a property value for displaying the window application 201 in an optimal state according to the device attribute of the information processing apparatus 101. On the other hand, the execution module 203 contains the actual code of the window application 201.

The window system 204 is stored in the main storage device 103 when executed. The property reading unit 205 of the window system 204 is a program for reading the display instruction property 202 included in the window application 201. The device information reading unit 207 reads device information including at least an image display property related to image display in the information processing apparatus 101 and stores the device information in a RAM.
Is a program to be stored in The image display property includes a screen size, a font size, the number of display colors, and the like of the information processing apparatus 101 and is stored in a RAM (not shown). The property analysis unit 206 is a program for analyzing the read display instruction property 202. The property selection unit 208 selects an image display property having a value corresponding to the analyzed display instruction property 202 from the read image display properties,
When there is no image display property having a value matching the display instruction property 202, the program is for selecting an image display property having a value closest to the display instruction property 202. The display unit 209 is a program for displaying a window application based on the selected image display property.

FIG. 3 is a diagram showing an example of the display instruction property 202 included in the window application 201 in FIG. FIG. 3 shows that the screen size of the display device 104 is 160 × 120 pixels and 320 × 240 pixels.
Pixels, 640 x 480 pixels, 1024 x 768
Each property value is shown for four cases of pixels. The scale ratio information column 301 shows the scale ratio value of the display size for each screen size. In this example, the scale ratio of the other screen sizes is shown as 1 for the case of 160 × 120 pixels. In the font size information column 302, a preferred font size for use is shown for each screen size.
In the color information column 303, the number of display colors preferable for use is shown for each screen size.

FIGS. 4A and 4B show examples of device information. FIG. 4A shows an information processing apparatus A having a screen size of 320 × 240 pixels, and FIG. 4B shows a screen size of 640 × 480 pixels. Is shown for the information processing apparatus B. FIG. 4A shows four types of font sizes (8 points, 9 points, 10 points, and 12 points) and the number of display colors (256 colors) that can be used in the information processing apparatus A. FIG. 4B shows five font sizes (8 points, 10 points, 12 points, 14 points,
16 points) and the number of display colors (256 colors).

FIG. 5 shows the display instruction property 202 of FIG.
FIG. 5A is a diagram exemplifying a screen displayed based on the device information of FIG. 4 and FIG.
FIG. 4B shows the case of the device information shown in FIG. 4A, and FIG. 4B shows the case of the device information shown in FIG.

FIG. 5A exemplifies an image of a window application displayed on the display device of the information processing apparatus A. Here, the information processing apparatus A is a PDA
It is. The image 501 includes a character string component 502 for displaying a character string, two button components 503 and 504 imitating buttons, and the like. FIG.
According to the device information (A), the screen size of the information processing apparatus A is 320 × 240 pixels. on the other hand,
The display instruction property 202 of the window application in FIG. 3 has a screen size of 320 × 240 pixels. Therefore, the two screen sizes are the same. Therefore, in the information processing apparatus A, the scale ratio when the screen size is 320 × 240 pixels,
The image 501 is displayed with the font size and the number of display colors.

FIG. 5B shows an example of a window application image displayed on the display device of the information processing apparatus B. Here, the information processing apparatus B is a PC. Like the image 501, the image 505 includes a character string component 506 and two button components 507,
508 and the like. According to the device information in FIG. 4B, the screen size of the information processing apparatus B is 6
It is 40 × 480 pixels. On the other hand, the display instruction property 202 of the window application in FIG. 3 has a screen size of 640 × 480 pixels. Therefore, the two screen sizes are the same. Therefore, in the information processing apparatus B, the screen size is 640 ×
Scale ratio, font size,
The image is displayed in the number of display colors.

Referring to the scale ratio information column 301 in FIG. 3, it can be seen that the scale ratio between the information processing apparatus A and the information processing apparatus B is 1: 1.5. Therefore, the image in the information processing apparatus A and the image in the information processing apparatus B are 1:
It is displayed at a scale ratio of 1.5. In each case, the font size specified by the display instruction property 202 in FIG. 3 is included in the font size in the device information shown in FIG. Accordingly, the fonts of all the images are displayed at the font size specified by the display instruction property 202. In each case, the number of display colors indicated by the display instruction property 202 in FIG. 3 matches the number of display colors in the device information shown in FIG. Therefore, the display color number of each image is displayed in the display color number specified by the display instruction property 202.

If the font size specified in the display instruction property 202 is not included in the font size in the device information, the property selecting means 208 sets the font size closest to the font size specified in the display instruction property 202. Is selected from the font sizes in the device information. This corresponds to the screen size (PSIZ) specified in the display instruction property 202.
E) is the screen size (DSIZ) in the device information
The same applies to the case where the screen size does not match E), and the property selecting means 208 sets the screen size closest to the screen size (PSIZE) specified by the display instruction property 202 to the screen size (DSIZE) in the device information.
Choose from

Next, execution processing of the window application 201 by the window system 204 shown in FIG. 2 will be described with reference to FIGS. 6 and 7.

FIG. 6 shows the window system 204 of FIG.
9 is a flowchart showing the execution process of the window application 201 by. FIG. 7 is a flowchart showing a property entry selection process in the process of FIG. Such processing is executed by the central processing unit 102 executing the window system 204.

In FIG. 6, first, the CPU 102 executing the window system 204 reads device information (step S1) (device information reading step). A screen size (DSIZE) is obtained from the device information (step S2). Next, the display instruction property 202 included in the window application 201 is read (step S3) (property reading step).
Next, the DSI is read from the read display instruction property 202.
Screen size equal to or closest to ZE (PSIZ
E) is selected (step S4) (property analysis step). After the PSIZE is obtained, a property entry optimization process in PSIZE is performed (step S
5) (Property selection step). The optimization of this property entry allows for font size, scale ratio,
And an optimal value for the number of display colors. The property entry optimizing process will be described later.
It is determined whether all the property entries have been processed (step S6). If it is determined that all the property entries have been processed, the window application is displayed on the display device 10 based on the selected image display property.
4 (step S7) (display step), and the process ends. If it is determined in step S6 that the processing of the property entry has not been completed, the process returns to step S5.

FIG. 7 is a flowchart showing a property entry optimizing process. In the figure, first, it is determined whether or not the property entry is font size information (step S10).
The optimum font size to be displayed is determined from the ZE and the font size information of the device information (step S11), and the procedure returns from the property entry optimization processing procedure to perform the property entry optimization processing (step S5).

As a result of the determination in step S10, if the property entry is not font size information, it is determined whether or not the property entry is scale ratio information (step 12). The optimum size is calculated and determined (step 13), and the procedure returns from the property entry optimization processing procedure to perform property entry optimization processing (step S5).

If the result of the determination in step 12 is that the property entry is not scale ratio information, it is determined whether or not the property entry is color information (step 14).
The optimum number of display colors is determined from E and the color information of the device information (step 15), and the property entry optimizing process is performed by returning from the property entry optimizing process (step S5).

If the result of determination in step 14 is that the property entry is not color information, the procedure returns from the property entry optimization processing procedure.

As described above, the display device 104 of the information processing apparatus 101 executed in the window application
Of the information processing apparatus 101 to be executed, and the image display property of the information processing apparatus 101 itself is stored as device information.
Therefore, according to the processing of FIGS. 6 and 7, the value of the property is determined to be the optimum value based on the property information and the device information, and the window application is displayed with the property having the optimum value. In various information processing apparatuses, the same window application can be displayed with properties having optimum values.

For the developer of the window application, the information of the image display property corresponding to the screen size of the information processing apparatus which executes the window application is set in advance, so that the P
There is no need to develop a window application for each information processing device having a different screen size, such as C or a portable device, and the efficiency of producing a window application is improved.

In the present embodiment, the program codes (window system) shown in FIGS. 6 and 7 are stored in the main storage device 103, but are stored in the storage medium of the external storage device 106 or the internal storage medium. Alternatively, the central processing unit 102 may read out the program code from this storage medium and execute it.

FIG. 8 is a diagram showing a memory map of a storage medium for storing the window system (program code group). The storage medium stores the program codes shown in the flowcharts of FIGS. 6 and 7, that is, the program codes relating to the device information reading step, the property reading step, the property analyzing step, the property selecting step, and the displaying step. As a program code group corresponding to. Further, as a “program code group corresponding to the second control program”,
A program code according to a second embodiment described later is stored.

This storage medium stores information for managing a group of programs to be stored, for example, version information, a creator, etc., and identifies and displays information that depends on the OS or the like on the program reading side, for example, the program. Icons or the like may be stored.

Further, data dependent on various programs is also managed in the directory. Further, a program for installing various programs on a computer, a program for decompressing a program to be installed when the program is compressed, and the like may be stored.

The functions of the program code group shown in FIG. 8 may be performed by a program installed from the outside. In this case, a group of information including the program can be supplied to the present system from a storage medium such as a CD-ROM, a flash memory, or an FD, or from an external storage medium via a network.

As described above, the storage medium storing the program code of the software for realizing the function of the present embodiment is supplied to the system or the information processing apparatus, and the computer (CPU or M
The object of the present invention is also achieved when the PU reads and executes the program code stored in the storage medium.

As a medium for supplying the program code, for example, a floppy (registered trademark) disk, hard disk, optical disk, magneto-optical disk, DVD,
There are a CD-ROM, a CD-R, a magnetic tape, a nonvolatile memory card, a ROM, an EEPROM and the like.

When the computer executes the readout program code, not only the functions of the above-described embodiment are realized, but also an operating system or the like running on the computer based on the instruction of the program code. Part or all of the actual processing may be performed, and the functions of the above-described embodiments may be realized by the processing.

Further, after the program code read from the storage medium is written into a memory provided in a function expansion board inserted into the information processing device or a function expansion unit connected to the information processing device, the program code of the program code is read. Based on the instruction, a central processing unit or the like provided in the function expansion board or function expansion unit may perform part or all of the actual processing, and the above-described embodiment may be realized by the processing.

The present invention may be applied to a system composed of a plurality of devices or an apparatus composed of one device. Further, a program represented by software for achieving the present invention may be downloaded by a system or apparatus from a database on a network by a communication program and read.

(Second Embodiment) Hereinafter, a second embodiment of the present invention will be described with reference to FIG.

FIG. 9 is a block diagram showing a data processing function of the information processing apparatus. The same components as those in the first embodiment are denoted by the same reference numerals, and description thereof is omitted.

As shown in FIG. 9, this embodiment differs from the first embodiment in that the display instruction property 302 is provided in a file different from the window application 301. Therefore, only the execution module 303 is stored in the window application 301. Other than this, there is no difference between the second embodiment and the first embodiment.
The execution process of the window application 201 is not different from the execution process of the window application 201 in the first embodiment. Therefore, the execution process and description of the window application 301 will be omitted.

According to the second embodiment, since the property information is provided as a file separate from the window application 301, even if the developer of the window application 301 changes the property information, the property of the window application 301 is changed. Does not need to be recompiled, only the file containing the property information needs to be edited. Therefore, the production efficiency of the window application is improved.

Furthermore, even if the user of the window application wants to customize the contents of the property information prepared in advance, since the property information is provided as a separate file, it can be easily edited.

[0052]

As described in detail above, according to the information processing apparatus of claim 1, the execution method of claim 3, and the storage medium of claim 5, the information processing apparatus has From the image display properties related to the image display of the device, an image display property having a value matching the display instruction property stored in the window application is selected according to the content of the image display property. If there is no image display property having a value matching the display instruction property, the image display property having the value closest to the display instruction property is selected. The window application to be executed is displayed based on the image display property selected as described above. As a result, the window application can be appropriately displayed according to the screen size.

The information processing apparatus according to the second aspect and the fourth aspect.
According to the described execution method, the display instruction property includes the screen size, font information, and color information of the display device that displays the image, so that the size, font, and color of the displayed image can be appropriately displayed.

[Brief description of the drawings]

FIG. 1 is a block diagram illustrating a schematic configuration of an information processing apparatus according to a first embodiment of the present invention.

FIG. 2 is a block diagram illustrating a data processing function of the information processing apparatus 101 in FIG.

FIG. 3 is a window application 20 in FIG. 2;
FIG. 3 is a diagram illustrating an example of a display instruction property 202 included in No. 1;

FIG. 4 is a diagram showing an example of device information; FIG.
Shows the case of the information processing device A having a screen size of 320 × 240 pixels, and FIG. 2B shows the case of the information processing device B having a screen size of 640 × 480 pixels.

5 is a diagram exemplifying a screen displayed based on the display instruction property 202 of FIG. 3 and each device information of FIG. 4; FIG. 5A shows the device information shown in FIG. 4A; FIG. 4B shows the case where the device information is that shown in FIG. 4B.

FIG. 6 is a flowchart showing execution processing of a window application 201 by the window system 204 of FIG.

FIG. 7 is a flowchart showing a property entry selection process in the process of FIG. 6;

FIG. 8 is a diagram showing a memory map of a storage medium for storing a window system (program code group).

FIG. 9 is a block diagram illustrating a data processing function of an information processing apparatus according to a second embodiment of the present invention.

[Explanation of symbols]

 Reference Signs List 101 information processing device 104 display device 201, 301 window application 202 display instruction property 203 execution module 204 window system 205 property reading means 206 property analysis means 207 device information reading means 208 property selection means 209 display means

Claims (5)

[Claims] 1. An information processing apparatus having a device information including at least an image display property related to image display, and executing a window application including a display instruction property according to the content of the image display property, wherein the device information is read. Device information reading means; property reading means for reading the display instruction property; property analyzing means for analyzing the read display instruction property; and a value matching the analyzed display instruction property among the read image display properties Property selecting means for selecting an image display property having a value closest to the display instruction property when there is no image display property having a value matching the display instruction property; The information processing apparatus characterized by comprising a display means for displaying the window application based on I. 2. The information processing apparatus according to claim 1, wherein the display instruction property includes a screen size, font information, and color information of a display device that displays an image. 3. An execution method for executing a window application including a display instruction property according to the content of the image display property in an information processing apparatus having device information including at least an image display property related to image display, wherein the device information Reading the device information reading step, reading the display instruction property, reading the property, analyzing the read display property, and matching the analyzed display instruction property among the read image display properties. A property selecting step of selecting an image display property of a value to be performed and selecting an image display property having a value closest to the display instruction property when there is no image display property of a value matching the display instruction property; Execution method characterized in that it comprises a display step of displaying the window application based on the image display property was. 4. The method according to claim 3, wherein the display instruction property includes a screen size, font information, and color information of a display device that displays an image. 5. An information processing apparatus having device information including at least an image display property relating to image display, wherein a program for executing an execution method of executing a window application including a display instruction property according to the content of the image display property is stored. A readable storage medium, wherein the program comprises: a device information reading module for reading the device information; a property reading module for reading the display instruction property; a property analysis module for analyzing the read display instruction property; An image display property having a value corresponding to the analyzed display instruction property is selected from the read image display properties, and if there is no image display property having a value corresponding to the display instruction property, the display finger is selected. A property selection module that selects the image display property with the value closest to the display property,
A display module for displaying the window application based on the selected image display property.