TWI511028B - Coordinate corresponding method - Google Patents

Description

Coordinate method

The present invention relates to a coordinate correspondence method, and more particularly to a coordinate correspondence method for an electronic device in proportion to an electronic writing unit.

At present, the technology of handwriting and touch is generally applied to mobile electronic devices, and a general personal computer can also be connected to a writing tablet for handwriting and touch operations. On the market, a device for handwriting touch on the screen has been introduced, and the application and operation of handwriting touch have become more popular. For example, tablets, smart phones, writing tablets and touch screens are the most commonly used electronic devices for users to use handwriting.

Handwriting touch is most commonly used for inputting text on electronic devices and handwriting records for drawing on electronic devices. When text input is performed, it is recognized by the character recognition system. When the handwriting of the drawing is recorded, it is stored and recorded in equal proportions.

However, when many applications are simultaneously turned on on an electronic device, handwriting touch often cannot correspond to the size of the application. Handwritten touch is often a global control that cannot be targeted to a specific application. If there is an application that needs to be signed, it is often impossible to respond.

When the application needs to scale the corresponding handwriting touch, it should The application may not be able to get a valid proportional handwriting touch, resulting in a window range that is incomplete or needs to scale the application by itself. Therefore, there is still room for improvement in the corresponding method of handwriting touch.

In view of the above problems, the present invention provides a coordinate correspondence method, so that when an electronic writing unit is used for handwriting touch, it can be proportionally applied to an application of an electronic device to increase the convenience of use.

The present invention provides a coordinate correspondence method suitable for being connected to an electronic writing unit of an electronic device. This coordinate correspondence method includes the following steps. Get the window range and window position of the application on the electronic device. Get the writing range of the electronic writing unit. Receiving the first coordinate of the corresponding trigger event on the writing range. According to the window range, the window position, the writing range and the first coordinate, the second coordinate is obtained. The second coordinate is output.

In an embodiment of the invention, the application is a program having a window interface.

In an embodiment of the invention, the window position is a coordinate of an application program on the X-axis and the Y-axis of the display unit of one of the electronic devices.

In an embodiment of the invention, the aforementioned writing range is the pixel area produced by the electronic writing unit.

In an embodiment of the invention, the first coordinate system is a coordinate corresponding to the X-axis and the Y-axis of the writing range.

In an embodiment of the invention, the trigger event includes an electronic The position of the first coordinate on the writing unit receives the electronic signal generated by the external touch.

In an embodiment of the invention, the step of generating the second coordinate corresponding to the window range based on the position of the first coordinate corresponding to the writing range and the window position as the starting point comprises the following steps. The first standard is divided by the writing range to get the corresponding coordinates. The corresponding coordinates are multiplied by the window range to get the conversion coordinates. And the conversion coordinates plus the window position are the second coordinates.

In an embodiment of the invention, the step of outputting the second coordinate further comprises the following steps. The electronic device receives the second coordinate. And the window range of the application corresponds to the position of the second coordinate to generate a corresponding action.

The coordinate corresponding method disclosed in the present invention obtains the window range and the window position of the application on the electronic device, obtains the writing range of the electronic writing unit, and receives the first coordinate corresponding to the trigger event in the writing range. Then, according to the window range, the window position, the writing range and the first coordinate, the second coordinate is obtained, and then the second coordinate is output to the electronic device. In this way, when the electronic writing unit performs the writing operation or the drawing operation of the handwriting touch, the application of the electronic device can be correspondingly proportioned to increase the convenience of use.

The above description of the present invention and the following description of the embodiments of the present invention are intended to illustrate and explain the spirit and principles of the invention.

1‧‧‧ coordinate system

10‧‧‧Electronic devices

101‧‧‧Application

20‧‧‧Electronic writing unit

1011‧‧‧Window location

1012‧‧‧ window range

20‧‧‧Electronic writing unit

201‧‧‧writing range

40‧‧‧Electronic devices

41‧‧‧Application

411‧‧‧ window range

412‧‧‧Window location

42‧‧‧Electronic writing unit

421‧‧‧ first coordinates

422‧‧‧writing range

50‧‧‧Electronic writing unit

501‧‧‧writing range

502‧‧‧ first coordinates

52‧‧‧Application

521‧‧‧ window range

522‧‧‧Window location

523‧‧‧second coordinates

Figure 1 is a block diagram of a coordinate corresponding system in accordance with an embodiment of the present invention.

Fig. 2 is a flow chart showing a method of coordinate correspondence according to an embodiment of the present invention.

Fig. 3 is a detailed flowchart of step S205 of "Fig. 2".

4 is a schematic diagram showing an example of a coordinate corresponding method according to an embodiment of the present invention.

5a and 5b are schematic diagrams showing an example of a coordinate correspondence method according to another embodiment of the present invention.

The detailed features and advantages of the present invention are set forth in the Detailed Description of the Detailed Description of the invention. The objects and advantages associated with the present invention can be readily understood by those skilled in the art. The following examples are intended to describe the present invention in further detail, but are not intended to limit the scope of the invention.

Please refer to FIG. 1 , which is a block diagram of a coordinate corresponding system according to an embodiment of the present invention. In the figure, the coordinate correspondence system 1 includes an electronic device 10 and an electronic writing unit 20. In this embodiment, the electronic writing unit 20 is externally connected to the electronic device 10, but the actual situation is not limited thereto, and may be built in the electronic device 10. The electronic device 10 is, for example, an electronic device such as a personal computer, a notebook computer, or a desktop computer, and the electronic device 10 includes an application 101. The electronic writing unit 20 is, for example, a digital tablet, and the electronic writing unit 20 includes a writing range 201.

The application 101 is, for example, a window program that operates in an operating system (Operating System). The application 101 includes a window position 1011 and a window range 1012. The window position 1011 is a position where the application 101 is displayed on the electronic device 10. The window position 1011 is a two-dimensional coordinate based on pixels, and the display starting point is used as a reference point. This display starting point is the starting point of the display screen of the electronic device 10, and the details thereof will be described below. The window range 1012 is the area of the application 101, and the length and width of the area are, for example, in pixels. The writing range 201 is an area in which the electronic writing unit 20 can be written, and the length and width of the area are also, for example, in units of pixels.

The above description briefly describes the internal components of the coordinate corresponding system 1 and their coupling relationship, and the following describes an example of a coordinate corresponding method for the coordinate corresponding system 1 as an example.

First, the electronic device 10 transmits the window position 1011 and the window range 1012 of the application 101 to the electronic writing unit 20. The window position 1011 is, for example, (200, 100), that is, the position of the upper left corner of the display unit with respect to the electronic device 10, 200 pixels down from the X axis, and 100 pixels to the right on the Y axis. The window range 1012 is, for example, 400 pixels by 300 pixels (400 x 300), which is 120,000 square pixels. The electronic writing unit 20 obtains the writing range 201 of the electronic writing unit 20, which is, for example, 800 pixels by 600 pixels (800 x 600), that is, 480,000 square pixels.

The electronic writing unit 20 receives the first coordinate corresponding to the trigger event position on the writing range 201, and the triggering event is, for example, an electronic signal generated by the externally touched input range 201 on the electronic writing unit 20, such as a touch or a click. The first landmark is, for example, (480, 240), that is, the position of the upper left corner of the writing range 201 with respect to the electronic writing unit 20, the lower 480 pixels of the X axis, and the 240 pixels of the Y axis to the right. The electronic writing unit 20 obtains the second coordinate according to the window range 1012, the window position 1011, the writing range 201, and the first coordinate.

In one embodiment, the method of generating the second coordinate is to first divide the first coordinate by the writing range 201 to obtain the corresponding coordinate. The area of the first coordinate (480, 240) divided by the writing range 201 is 480,000 square pixels, and the corresponding coordinates are obtained (0.001, 0.0005). Multiplying the corresponding coordinates by the window range 1012 to obtain the conversion coordinates, that is, multiplying the corresponding coordinates (0.001, 0.0005) by 120,000 square pixels of the window range 1012, and the conversion coordinates are (120, 60). Then, the conversion coordinate plus the window position 1011 is the second coordinate, and the conversion coordinates are (120, 60) plus the window position 1011 is (200, 100), and the second coordinate is (320, 160). In this way, after the electronic device 10 receives the second coordinate from the electronic writing unit 20, the electronic device 10 can perform a corresponding action such as displaying a stroke on the second coordinate (320, 160) on the display unit of the corresponding electronic device 10. The drawing operation of the electronic writing unit 20 can also correspond to the relative position in the application 101 on the electronic device 10 in a proportional manner.

Please refer to FIG. 2, which is an embodiment according to the present invention. A flowchart of the method corresponding to the coordinates. The coordinate corresponding method of the present embodiment can be applied to an electronic writing unit connected to an electronic device, and please refer to "FIG. 1" together. In step S201, the electronic device 10 sends out the window range 1011 of the application 101 and the window device 1012. In step S202, the electronic writing unit 20 acquires the window range 1011 and the window position 1012 of the application 101 on the electronic device 10. In step S203, the electronic writing unit 20 acquires the writing range 201 of the electronic writing unit 20. In step S204, the electronic writing unit 20 receives the first coordinate of the corresponding trigger event on the writing range. In step S205, according to the position where the first coordinate corresponds to the writing range 201, the second coordinate is generated corresponding to the window range 1012 starting from the window position 1011. In step S206, the electronic writing unit 20 outputs the second coordinate. In step S207, the electronic device 10 receives the second coordinate. In step S208, the window range 201 of the application 101 corresponds to the position of the second coordinate to generate a corresponding action.

Please refer to "Fig. 3", which is a detailed flowchart of step S205 of "Fig. 2". Please refer to "FIG. 1" together. In step S301, the first coordinate is divided by the writing range 201 to obtain the corresponding coordinates. In step S302, the corresponding coordinates are multiplied by the window range 1012 to obtain a conversion coordinate. In step S303, the conversion coordinate plus window position 1011 is the second coordinate.

Please refer to FIG. 4, which is a schematic diagram showing an example of a coordinate corresponding method according to an embodiment of the present invention. In the figure, the electronic writing unit 42 is a touch panel built in the electronic device 40. First, the electronic device 40 transmits the window position 412 and the window range 411 of the application 41 to the electronic writing unit. 42. In this embodiment, the application 41 is, for example, a drawing screen. The window position 412 is, for example, (100, 100), and the window position 412 is a display starting point from the upper left corner of the display unit, and the display starting point is 100 pixels down to the X-axis and 100 pixels to the right. The window range 411 is, for example, 200 pixels by 100 pixels (200 x 100), which is 20,000 square pixels. The electronic writing unit 42 obtains the writing range 422 of the electronic writing unit 42, which is, for example, 400 pixels by 200 pixels (400 x 200), that is, 80,000 square pixels.

The electronic writing unit 42 receives the first coordinate 421 corresponding to the triggering event position on the writing range 422, and the triggering event is, for example, an electronic signal generated by the external touch by the writing range 422 on the electronic writing unit 42, such as a touch or a click. The first landmark 421 is, for example, (100, 60), that is, the position of the upper left corner of the writing range 422 with respect to the electronic writing unit 42, the lower 100 pixels of the X axis, and the 60 pixels of the Y axis to the right. The electronic writing unit 42 generates a second coordinate 413 corresponding to the window range 411 starting from the window position 412 according to the position of the first coordinate 421 corresponding to the writing range 422.

Next, the method of generating the second coordinate 413 is to first divide the first coordinate 421 by the writing range 422 to obtain a corresponding coordinate. That is, the area of the first coordinate 421 (100, 60) divided by the writing range 421 is 80,000 square pixels, and the corresponding coordinates are obtained (0.00125, 0.00075). The corresponding coordinates are multiplied by the window range 411 to obtain the conversion coordinates, that is, the corresponding coordinates are (0.00125, 0.00075) times the 20,000 square pixels of the window range 411, and the conversion coordinates are (25, 15). Will turn again The coordinate plus window position 412 is the second coordinate 413, and the conversion coordinates are (25, 15) plus the window position 412 (100, 100), and the second coordinate 413 is (125, 115). In this way, after the electronic device 40 receives the second coordinate from the electronic writing unit 42, the electronic device 40 can perform corresponding actions such as displaying a stroke on the second coordinate 413 of the corresponding electronic device 40 for (125, 115). The drawing operation of the electronic writing unit 42 can also be proportionally corresponding to the relative position in the application 41 on the electronic device 40.

Please refer to FIG. 5a and FIG. 5b, which are schematic diagrams showing examples of coordinates corresponding to another embodiment of the present invention. In the figure, the electronic writing unit 50 is a digital tablet that is externally connected to the electronic device. First, the electronic device transmits the window position 522 and the window range 521 of the application 52 to the electronic writing unit 50. In this embodiment, the application 52 is, for example, a drawing program. The window position 522 is, for example, (400, 400), and the window position 522 is a display starting point from the upper left corner of the display unit, and the display starting point is 400 pixels in the X-axis and 400 pixels in the Y-axis to the right. The window range 521 is, for example, 800 pixels by 600 pixels (800 x 600), which is 480,000 square pixels. The electronic writing unit 50 obtains the writing range 501 of the electronic writing unit 50, which is, for example, 1600 pixels by 1200 pixels (1600 x 1200), that is, 1,920,000 square pixels.

The electronic writing unit 50 receives the first coordinate 502 corresponding to the trigger event position on the writing range 501, and the triggering event is, for example, an electronic signal generated by the external touch by the writing range 501 on the electronic writing unit 50, such as a touch. Or click. The first landmark 502 is, for example, (480, 300), that is, the position of the upper left corner of the writing range 501 with respect to the electronic writing unit 50, the lower 480 pixels of the X axis, and the 300 pixels of the Y axis to the right. The electronic writing unit 50 generates a second coordinate 523 corresponding to the window range 521 starting from the window position 522 according to the position of the first coordinate 502 corresponding to the writing range 501.

Next, the method of generating the second coordinate 523 is to first divide the first coordinate 502 by the writing range 501 to obtain the corresponding coordinates. That is, (480,300) of the first coordinate 502 is divided by 1,920,000 square pixels of the area of the writing range 501, and the corresponding coordinates are obtained (0.00025, 0.00051625). Multiplying the corresponding coordinates by the window range 521 to obtain the conversion coordinates, that is, multiplying the corresponding coordinates (0.00025, 0.00015625) by the window range 521 of 480,000 square pixels, the conversion coordinates are (120, 75). The conversion coordinate plus window position 522 is the second coordinate 523, then the conversion coordinates (120, 75) plus the window position 522 (400, 400), and the second coordinate 523 is (520, 475). In this way, after the electronic device receives the second coordinate 523 from the electronic writing unit 50, the electronic device can perform corresponding actions such as displaying a stroke on the (520, 475) of the second coordinate 523 on the corresponding electronic device. The drawing action of the electronic writing unit 50 can also be proportionally corresponding to the relative position in the application 52 on the electronic device.

The method for coordinating the coordinates disclosed in the present invention is to obtain the window range and the window position of the application on the electronic device, obtain the writing range of the electronic writing unit, and receive the first coordinate corresponding to the trigger event in the writing range. Then, according to the window range, the window position, the writing range, and the first The coordinates, the second coordinate is obtained, and the second coordinate is output to the electronic device. In this way, when the electronic writing unit performs the writing operation or the drawing operation of the handwriting touch, the application of the electronic device can be correspondingly proportioned to increase the convenience of use.

While the invention has been described above in the foregoing embodiments, it is not intended to limit the invention. It is within the scope of the invention to be modified and modified without departing from the spirit and scope of the invention. Please refer to the attached patent application for the scope of protection defined by the present invention.

Claims (7)

A coordinate correspondence method is applicable to an electronic writing unit connected to an electronic device, the coordinate corresponding method includes: obtaining a window range and a window position of an application on the electronic device; and obtaining a writing of the electronic writing unit a first coordinate corresponding to a trigger event in the writing range; obtaining a second coordinate according to the window range, the window position, the writing range and the first coordinate; and outputting the second coordinate; The application is a program with a window interface, which is the location where the application is displayed on the electronic device, and uses the point as a reference point. The coordinate corresponding method of claim 1, wherein the window position is a coordinate of the X-axis and the Y-axis of the application on a display unit of the electronic device. The coordinate corresponding method according to claim 1, wherein the writing range is a pixel area generated by the electronic writing unit. The coordinate corresponding method according to claim 1, wherein the first coordinate is a coordinate corresponding to the X-axis and the Y-axis of the writing range. The coordinate corresponding method of claim 1, wherein the triggering event comprises an electronic signal generated by the external touch on the position of the first coordinate on the electronic writing unit. The coordinate corresponding method of claim 1, wherein the step of obtaining the second coordinate according to the window range, the window position, the writing range, and the first coordinate comprises: dividing the first coordinate by the writing range to obtain a Corresponding coordinates; the corresponding coordinates are multiplied by the window range to obtain a conversion coordinate; and the conversion coordinate plus the window position is the second coordinate. The coordinate corresponding method of claim 1, wherein the step of outputting the second coordinate further comprises: the electronic device receiving the second coordinate; and the window range of the application corresponding to the position of the second coordinate action.