JP2007178495A - Display screen controller and display screen control program - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To simultaneously achieve both of an improvement in workability and an improvement in visibility. <P>SOLUTION: The display screen controller 1 is equipped with a data display means 12 which display data on a display screen 7, a magnification setting means 13 which sets the magnification of the data displayed on the display screen by the data display means 12, and a data expansion display means 16 which displays the data in expansion on the display screen 3 on the outside in compliance with the magnification set by the magnification setting means 13. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a display screen control device and a display screen control program for enlarging and displaying data displayed on a display screen of a personal computer or the like at a predetermined magnification on an external display screen.

  In recent years, when making presentations such as product introductions or lectures, for the purpose of attracting the attention of the listener, such as charts and sentences created by application software installed on a personal computer (hereinafter referred to as “PC”) A method of displaying data on a display screen such as a screen using a projector connected to a personal computer may be employed.

  However, in this case, since the data displayed on the display screen of the personal computer is displayed on the display screen of the projector as it is, even if the display size is comfortable for the operator of the personal computer, the display screen of the projector is not displayed. For viewers, there is a problem that it is too small for the viewer, or, conversely, if the display size is increased in accordance with the viewer's display screen, the operator of the personal computer becomes difficult to operate. That is, it has been difficult to achieve both improvement in workability of a person who operates a personal computer and improvement in visibility of a person who views the display screen of the projector at the same time.

Under such a background, recently, a display screen control device for expanding and displaying data displayed on a personal computer display screen on an external display screen has been proposed. When a window displayed on the screen is selected, the data of the window is enlarged and displayed in accordance with the screen size of the external display device (see, for example, Patent Document 1).
JP 2000-339130 A

  However, the display screen control device described in Patent Document 1 described above selects a specific window from a plurality of windows displayed on the display screen of the personal computer, and sets the selected window to the screen size of the external display device. In addition, the display is enlarged and displayed in window units, and a part of the data in the window is not arbitrarily enlarged and displayed. For this reason, the problem that it is impossible to achieve both improvement in workability of the person who operates the personal computer and improvement in visibility of the person viewing the display screen of the projector at the same time remains unsolved.

  The present invention has been made to solve the above-described problems, and an object of the present invention is to provide a display screen control device and a display screen display program capable of simultaneously achieving both improvement in workability and improvement in visibility. It is what.

  In order to achieve the above object, a display screen control apparatus according to the present invention includes a data display means for displaying data on a display screen, and a magnification for setting an enlargement magnification of data displayed on the display screen by the data display means. According to another aspect of the invention, there is provided setting means and data enlargement display means for enlarging and displaying the data on an external display screen in accordance with the enlargement magnification set by the magnification setting means.

  The display screen control device according to the present invention determines the size of the enlarged display area based on the enlargement magnification set by the magnification setting means and the size of the external display screen, and the enlarged display area is used as the display screen. The display may further include an enlarged display area display means for displaying at an arbitrary position.

  The enlarged display area display means may display the enlargement magnification set by the magnification setting means on the display screen.

  In the display screen control program according to the present invention, the data display means displays data on the display screen, and the magnification setting means sets the magnification of the data displayed on the display screen by the data display means. And a step of causing the data enlargement display means to enlarge and display the data on an external display screen in accordance with the enlargement magnification set by the magnification setting means.

  In the display screen control program according to the present invention, the enlarged display area display means determines the size of the enlarged display area based on the enlargement magnification set by the magnification setting means and the size of the external display screen, The method may further include a step of displaying the enlarged display area at an arbitrary position on the display screen.

  According to the present invention, the data displayed on the display screen can be enlarged and displayed on the external display screen in accordance with an arbitrary magnification set by the magnification setting means. Both improvements can be achieved simultaneously.

  Further, the enlarged display area display means determines the size of the enlarged display area based on the magnification and the size of the external display screen, and displays the enlarged display area at an arbitrary position on the display screen. When the enlargement magnification is displayed on the display screen, various excellent effects can be obtained such that the operability is further improved and workability can be further improved.

  Hereinafter, embodiments of the present invention will be described with reference to FIGS. Here, FIG. 1 is a block diagram showing the hardware configuration of the computer system in the present embodiment, FIG. 2 is a block diagram showing the configuration and operation of the display screen control apparatus according to the present embodiment, and FIG. It is explanatory drawing which shows operation | movement of the display screen control apparatus which concerns on embodiment.

  The display screen control apparatus 1 according to the present embodiment is configured by installing an image processing program in a personal computer 2, and the personal computer 2 is connected to the projector display screen 3 via a projector (not shown). As shown in FIG. 1, the personal computer 2 temporarily stores a CPU (Central Processing Unit) 4 for controlling each component of the image processing apparatus 1 and various data and programs. Memory 5, a hard disk 6 for storing a program executed by the CPU 4, a display screen 7 such as a liquid crystal display device, and an input device 8 such as a mouse and a keyboard are connected via a bus 9. Has been.

  As shown in FIG. 2, the display image control program includes a PC display screen control unit 10 that controls the display screen 7 of the personal computer 2 and a projector display screen control unit 11 that controls the projector display screen 3. It is configured. The PC display screen control unit 10 includes a data display unit 12 that displays data on the display screen 7, a magnification setting unit 13 that sets an enlargement magnification of data displayed on the display screen 7 by the data display unit 12, An enlarged display area that determines the size of the enlarged display area 14 based on the enlarged magnification set by the magnification setting unit 13 and the screen size of the projector display screen 3 and displays the enlarged display area at an arbitrary position on the display screen 7. A display unit 15 is provided, and the projector display screen control unit 11 enlarges the data to be displayed on the external projector display screen 3 in accordance with the enlargement magnification set by the magnification setting unit 13. A display unit 16 is provided.

  Next, the operation of the display screen control apparatus according to the embodiment of the present invention will be described.

  First, when the operator of the personal computer 2 performs a predetermined operation with the input device 8, the data display unit 12 of the PC display screen control unit 10 displays data such as charts and sentences created by application software installed in the personal computer 2. Is expanded from the hard disk 5 to the memory 5 and displayed on the display screen 7 of the personal computer 2.

  Next, when an operator performs an operation of designating a predetermined location of data displayed on the display screen 7 of the personal computer 2 such as a click operation with the input device 8, the enlarged display area display unit 15 displays the display screen 7 of the personal computer 2. In addition, a rectangular frame-shaped enlarged display area 14 having a predetermined size centered on the designated location is displayed, and the magnification set by the magnification setting unit 13 is numerically displayed. In this case, the size of the frame of the enlarged display area 14 is determined by the enlarged display area display unit 15 by calculating from the screen size of the projector display screen 3 and the magnification set by the magnification setting unit 13. The setting value of the enlargement magnification is inputted by the operator of the personal computer 2 directly from the input device 8 or the operator clicks and drags the frame of the enlargement display area 14 on the display screen 7. By performing an operation to set a frame of the enlarged display area 14 and further changing the size of the frame, it can be arbitrarily set or changed. Further, the position of the enlarged display area 14 may be moved to an arbitrary position on the display screen 7 when the operator performs a click-and-drop operation or the like on the frame of the enlarged display area 14 on the display screen 7. it can.

  When the magnification ratio is set and the enlarged display area 14 is displayed on the display screen 7 in this way, the data enlarged display section 16 of the projector display screen control section 11 is a portion surrounded by the enlarged display area 14. Is expanded in the memory 5 and enlarged and displayed on the projector display screen 3 in accordance with the magnification.

  As described above, according to the embodiment of the present invention, the operator of the personal computer 2 displays the data on the display screen 7 so that the personal computer 2 can be easily operated, Since an enlargement factor can be arbitrarily designated and displayed on the projector display screen 3 in an enlarged manner, the workability of the person who operates the personal computer 2 and the visibility of the person viewing the projector display screen 3 are improved. Both can be achieved simultaneously.

  In the above-described embodiment, the case where the projector display screen 3 is used as the display screen for enlarging and displaying the data has been described. However, the present invention expands the data to another external display screen. Needless to say, the present invention can also be applied to the case of display.

It is a block diagram which shows the structure of the hardware of the computer system in embodiment of this invention. It is a block diagram which shows the structure of the display screen control apparatus which concerns on embodiment of this invention, and its operation | movement. It is explanatory drawing which shows operation | movement of the display screen control apparatus which concerns on embodiment of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Display screen control apparatus 2 Personal computer 3 Projector display screen 7 Display screen 12 Data display part 13 Magnification setting part 14 Enlarged display area 15 Enlarged area display part 16 Data enlarged display part

Claims (5)

Data display means for displaying data on the display screen;
Magnification setting means for setting an enlargement magnification of the data displayed on the display screen by the data display means;
Data enlargement display means for enlarging and displaying the data on an external display screen according to the enlargement magnification set by the magnification setting means;
A display screen control device comprising: Enlarged display area display means for determining the size of the enlarged display area based on the enlargement magnification set by the magnification setting means and the size of the external display screen, and displaying the enlarged display area at an arbitrary position on the display screen The display screen control device according to claim 1, further comprising: The display screen control device according to claim 2, wherein the enlargement display area display unit displays the enlargement magnification set by the magnification setting unit on the display screen. A step of displaying data on the display screen by the data display means;
A magnification setting means for setting an enlargement magnification of the data displayed on the display screen by the data display means;
In accordance with an enlargement magnification set by the magnification setting means, the data enlargement display means enlarges and displays the data on an external display screen;
A display screen control program for causing a computer to execute the program. The enlarged display area display means determines the size of the enlarged display area based on the enlargement magnification set by the magnification setting means and the size of the external display screen, and places the enlarged display area at an arbitrary position on the display screen. The display screen control program according to claim 4, further comprising a step of displaying.

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