CN113253874A - Display device control method, device, terminal and storage medium - Google Patents
Display device control method, device, terminal and storage medium Download PDFInfo
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- 238000004891 communication Methods 0.000 description 9
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- 238000004590 computer program Methods 0.000 description 7
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
- G06F3/04162—Control or interface arrangements specially adapted for digitisers for exchanging data with external devices, e.g. smart pens, via the digitiser sensing hardware
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
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Abstract
The embodiment of the disclosure provides a control method and device of a display device, a terminal and a storage medium. In some embodiments, the present disclosure provides a control method comprising: receiving a first coordinate sent by a target terminal, wherein the first coordinate is correspondingly positioned at a first position of a display area, and the using direction of the target terminal is different from the display direction of a display device; determining a second coordinate from the first coordinate, wherein an abscissa x2 of the second coordinate is associated with an ordinate y1 of the first coordinate, an ordinate y2 of the second coordinate is associated with an abscissa x1 of the first coordinate, and the second coordinate corresponds to a second position in the target area; and displaying in the target area according to the second coordinate. The method can ensure that the displayed content conforms to the display direction of the display device when the use direction of the target terminal is inconsistent with the display direction of the display device, thereby improving the use experience of a user.
Description
Technical Field
The present disclosure relates to the field of computer technologies, and in particular, to a method and an apparatus for controlling a display device, a terminal, and a storage medium.
Background
The handwriting board has a writing detection area, the writing detection area can generally adopt an electromagnetic induction technology to detect writing handwriting of the handwriting pen in the area, electronic information is generated according to the writing handwriting, and the writing handwriting detected by the handwriting board can be displayed by a display device in communication connection with the handwriting board.
Disclosure of Invention
The present disclosure provides a control method of a display device, a terminal and a storage medium.
The present disclosure adopts the following technical solutions.
In some embodiments, the present disclosure provides a control method of a display device having a display area including a target area, including:
receiving a first coordinate sent by a target terminal, wherein the first coordinate is correspondingly located at a first position of the display area, and the horizontal and vertical state of the target terminal is different from the horizontal and vertical state of the display device;
determining a second coordinate from the first coordinate, the abscissa x2 of the second coordinate being associated with the ordinate y1 of the first coordinate, the ordinate y2 of the second coordinate being associated with the abscissa x1 of the first coordinate, the second coordinate corresponding to a second location of the target zone;
and displaying in the target area according to the second coordinate.
In some embodiments, the present disclosure provides a display device having a display area including a target area, comprising:
the receiving unit is used for receiving a first coordinate sent by a target terminal, wherein the first coordinate is correspondingly positioned at a first position of the display area, and the using direction of the target terminal is different from the display direction of the display device;
a computing unit for determining a second coordinate from the first coordinate, wherein an abscissa x2 of the second coordinate is associated with an ordinate y1 of the first coordinate, an ordinate y2 of the second coordinate is associated with an abscissa x1 of the first coordinate, and the second coordinate corresponds to a second position of the target area;
and the display unit is used for displaying in the target area according to the second coordinate.
In some embodiments, the present disclosure provides a terminal comprising: at least one memory and at least one processor;
the memory is used for storing program codes, and the processor is used for calling the program codes stored in the memory to execute the method.
In some embodiments, the present disclosure provides a storage medium for storing program code for performing the above-described method.
In some embodiments of the present disclosure, in a case that a display direction of the display device is inconsistent with a use direction of the target terminal, coordinate conversion is performed on data sent by the target terminal according to the display direction of the display device, and the second coordinate is determined according to the first coordinate, so that when the use direction of the target terminal is inconsistent with the display direction of the display device, it is ensured that the displayed content conforms to the display direction of the display device, thereby improving use experience of a user.
Drawings
The above and other features, advantages and aspects of various embodiments of the present disclosure will become more apparent by referring to the following detailed description when taken in conjunction with the accompanying drawings. Throughout the drawings, the same or similar reference numbers refer to the same or similar elements. It should be understood that the drawings are schematic and that elements and elements are not necessarily drawn to scale.
Fig. 1 is a flowchart of a control method of a display device according to an embodiment of the present disclosure.
Fig. 2 is a schematic diagram of a display area and a target area according to an embodiment of the disclosure.
FIG. 3 is a schematic diagram of a writing tablet of an embodiment of the present disclosure.
Fig. 4 is a block diagram of a control device of a display device according to an embodiment of the present disclosure.
Fig. 5 is a schematic structural diagram of an electronic device according to an embodiment of the present disclosure.
Detailed Description
Embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While certain embodiments of the present disclosure are shown in the drawings, it is to be understood that the present disclosure may be embodied in various forms and should not be construed as limited to the embodiments set forth herein, but rather are provided for a more thorough and complete understanding of the present disclosure. It should be understood that the drawings and embodiments of the disclosure are for illustration purposes only and are not intended to limit the scope of the disclosure.
It should be understood that various steps recited in method embodiments of the present disclosure may be performed in parallel and/or in parallel. Moreover, method embodiments may include additional steps and/or omit performing the illustrated steps. The scope of the present disclosure is not limited in this respect.
The term "include" and variations thereof as used herein are open-ended, i.e., "including but not limited to". The term "based on" is "based, at least in part, on". The term "one embodiment" means "at least one embodiment"; the term "another embodiment" means "at least one additional embodiment"; the term "some embodiments" means "at least some embodiments". Relevant definitions for other terms will be given in the following description.
It should be noted that the terms "first", "second", and the like in the present disclosure are only used for distinguishing different devices, modules or units, and are not used for limiting the order or interdependence relationship of the functions performed by the devices, modules or units.
It is noted that references to "a" or "an" in this disclosure are intended to be illustrative rather than limiting, and that those skilled in the art will recognize that reference to "one or more" unless the context clearly dictates otherwise.
The names of messages or information exchanged between devices in the embodiments of the present disclosure are for illustrative purposes only, and are not intended to limit the scope of the messages or information.
The embodiments of the present application will be described in detail below with reference to the accompanying drawings.
The handwriting pad has the writing detection zone, writes the detection zone and is used for detecting handwriting, for example can adopt the electromagnetic induction technique to detect handwriting, among the correlation technique, backing paper on the writing detection zone of handwriting pad, the handwriting pad can detect writing when writing on the paper to will write handwriting and send and show on the display device with handwriting pad communication connection. In the related art, the handwriting board is horizontally arranged, the display device is also horizontally arranged, the display area of the display device in the writing detection area on the handwriting board corresponds to each other, the writing detected by the handwriting board is transmitted to the display device to be directly displayed or displayed after being zoomed, but part of users are used to vertically place the handwriting board, the display device is still horizontally arranged at the moment, if the writing detected by the handwriting board is directly transmitted to the display device to be displayed according to the previous mode, the writing displayed on the display device can rotate 90 degrees, which results in reading incapability, the user experience is low, and the display area of the display device is sometimes not only used for displaying the writing, for example, when the handwriting board is used for writing, the display area of the display device is also used for displaying titles, therefore, under the condition that the horizontal and vertical states of the handwriting board and the display device are different, there is a problem in that the content displayed on the display device does not match with the reading habits of people, resulting in a low user experience.
In an embodiment of the present disclosure, a method for controlling a display device is provided, where the display device may be, for example, a display, the display device has a display area, and the display area includes a target area, as shown in fig. 1, the method for controlling the display device includes:
s11: and receiving the first coordinate sent by the target terminal.
In some embodiments, the target terminal and the display device are in communication connection in a wired or wireless manner, the target terminal may be a handwriting pad, for example, and the first coordinate sent by the target terminal may be a coordinate of any point on a handwriting on the target terminal detected by the target terminal, for example. In some embodiments, the usage direction of the target terminal is different from the display direction of the display device, the usage direction may be horizontal or vertical, and the display direction may be horizontal or vertical, for example, the target terminal is used vertically, and the display device is displayed horizontally. The first coordinate corresponds to a first position in the display area, and the first position is, for example, a position corresponding to the display area where the usage direction of the target terminal is the same as the display direction of the display device.
S12: the second coordinate is determined from the first coordinate.
In some embodiments, the first coordinate and the second coordinate may be coordinates in the same rectangular coordinate system, each including a corresponding abscissa and ordinate, taking the display area as a rectangle as an example, the origin of the coordinates may be located at a vertex of the rectangular display area, for example, an upper left vertex, the abscissa axis and the ordinate axis may be respectively parallel to the sides of the display area, the abscissa x2 of the second coordinate is associated with the ordinate y1 of the first coordinate, the ordinate y2 of the second coordinate is associated with the abscissa x1 of the first coordinate, and the second coordinate is corresponding to the second position of the target area.
S13: and displaying in the target area according to the second coordinate.
In some embodiments, the first coordinate includes x1 and y1, which respectively represent coordinates of a point detected by the target terminal in the writing detection area in x and y directions, the x direction may be a length direction of the writing detection area of the target terminal, the y direction may be a width direction, the x and y directions of a coordinate system adopted by the target terminal respectively correspond to the x and y directions of a coordinate system adopted by the display device, and the coordinates of the target terminal and the display device preset a correspondence relationship when the usage direction of the target terminal and the display direction of the display device coincide, such as the number of units in the x and y directions of the coordinate system adopted by the target terminal and the number of units in the x and y directions of the coordinate system adopted by the display device are the same, such as the number of units in the x and y directions of the coordinate system adopted by the display device, such as the number of units in the x direction of 100 units adopted by the target terminal and the display device, the y direction is a 90-unit coordinate system, the first position corresponding to the first coordinate is the position of the first coordinate in the coordinate system adopted by the display device, for example, the first coordinate is (10,20), and the point indicated by (10,20) found in the coordinate system adopted by the display device is the first position corresponding to the first coordinate. If the number of units in the x direction and the y direction of the coordinate system adopted by the target terminal is different from the units of the abscissa and the ordinate in the coordinate system of the display device, the corresponding relationship can be determined in a percentage manner, for example, the first coordinate is the coordinate of the coordinate system adopted by the target terminal at the target terminal detected by the target terminal, two percentages are obtained according to the percentage of the position of the target point in the x direction and the y direction, respectively representing the proportion of the x coordinate to the x axis length of the first coordinate and the proportion of the y coordinate to the y axis length, and then the first position is obtained by converting the percentages into the coordinate of the display area, for convenience of calculation, the origin of the coordinate systems of the target terminal and the display device can be set at the corresponding position, for example, at the corresponding vertex of a rectangle, taking the display area of the display device as an example, and the detection area of the target terminal as a rectangle, when both are in a horizontal state, the origin of the coordinate system is located at the vertex of the upper left corner of the rectangle. In some embodiments, the direction of the target terminal is the same as the display direction of the display device, for example, the target terminal is in a horizontal state, the target terminal is displayed at a first position, and when the direction of the target terminal is different from the display direction of the display device, the target terminal is displayed at a second position in the target area, in some embodiments, when the direction of the target terminal is different from the display direction of the display device, the data of the target terminal cannot be directly displayed, otherwise, the display is disordered and therefore needs to be converted, in some embodiments, the abscissa direction is a positive direction of an abscissa axis, for example, the horizontal direction, and the ordinate direction is a positive direction of an ordinate axis, the ordinate of the second coordinate is determined by the abscissa of the first coordinate, and the abscissa of the second coordinate is determined according to the ordinate of the first coordinate, so that the displayed second position is turned, taking the target terminal as a handwriting board as an example, when a user writes on the handwriting board, if the characters are directly displayed correspondingly, the characters displayed on the display device are dislocated and rotate by 90 degrees, and the characters can be converted into normal forms by adopting the method in the embodiment.
In some embodiments of the present disclosure, in a case that a display direction of the display device is inconsistent with a use direction of the target terminal, coordinate conversion needs to be performed on data sent from the target terminal according to the display direction of the display device, and by determining the second coordinate according to the first coordinate and respectively determining the ordinate and the abscissa of the second coordinate according to the abscissa and the ordinate of the first coordinate, when the use direction of the target terminal is inconsistent with the display direction of the display device, it is ensured that displayed content conforms to the display direction of the display device, thereby improving use experience of a user.
In some embodiments of the present disclosure, the ordinate of the second coordinate is determined from an abscissa x1 of the first coordinate, a length w1 of the display area in the abscissa direction, a length h2 of the target area in the ordinate direction, and a separation distance offset of the target area from the edge of the display area in the opposite direction of the ordinate direction. In some embodiments of the present disclosure, the abscissa x2 of the second coordinate is determined from the ordinate y1 of the first coordinate, the length h1 of the display area in the ordinate direction, the length w2 of the target area in the abscissa direction, and the separation distance offset x of the target area from the edge of the display area in the opposite direction of the abscissa direction.
In some embodiments, the first position is a corresponding position of the target terminal on the display device in the same horizontal and vertical states with the display device, the data sent by the target terminal is displayed in the target area in the case that the horizontal and vertical states of the display device and the target terminal are not consistent, and at this time, the position of the display data needs to be adjusted according to the horizontal and vertical states of the display device, where the horizontal coordinate direction is a positive direction of a coordinate axis in which the horizontal coordinate is located, such as a length direction of the display area, the vertical coordinate direction is a positive direction of a coordinate axis in which the vertical coordinate is located, such as a width direction of the display area, as illustrated in fig. 2, a rectangle formed by ABDC in fig. 2 is the display area, a rectangle formed by A1B1D1C1 in surrounding is the target area, a point a in fig. 2 is an origin of a rectangular coordinate system, and a direction from point a to point B in fig. 2 is a horizontal coordinate axis, the direction from point B to point a is opposite to the abscissa direction, the direction from point a to point C is positive along the ordinate axis, the direction from point C to point a is opposite to the ordinate direction, point P1 is the first position corresponding to the first coordinate (x1, y1), point P2(x2, y2) is the second position in the target area corresponding to the second coordinate, the x and y coordinates of point P2 may be composed of two parts, one part being the position of point P2 in the target area and the other part being the position of the target area in the display area, since the direction of use of the target terminal is different from the display direction of the display device, corresponding to the need to rotate and move the point P1 in accordance with the position of the target area, the abscissa x2 of point P2 is related to the ordinate y1 of point P1 and to the distance of the edge of the target area in the opposite direction to the abscissa axis, the ordinate y 3637 is related to the abscissa x 369638 of point P1. And is related to the distance offset of the edge of the display area of the destination area in the opposite direction of the ordinate direction, the separation distance offset x of the edge of the destination area and the display area in the opposite direction of the abscissa direction may be the distance from the point a1 to the edge AC in fig. 2, and the separation distance offset y of the edge of the destination area and the display area in the opposite direction of the ordinate direction may be the distance from the point a1 to the edge AB.
In some embodiments of the present disclosure, the second location is a distance x3 from the target zone edge in the opposite direction of the abscissa direction, and the second location is a distance y3 from the target zone edge in the opposite direction of the ordinate direction; wherein x1/w1 is y3/h2, (h1-y1)/h1 is x3/w 2. In some embodiments, when the usage direction of the target terminal is the same as the display direction of the display device, the display is performed at the first position, when the usage direction of the target terminal is different from the display direction of the display device, the display is performed at the second position, the target area and the display area may have different sizes, and in order to maintain consistency of displayed proportions, it should be ensured that displayed positions have the same proportions in the abscissa direction and the ordinate direction of the display area and the target area, for example, if the abscissa direction in fig. 2 is the positive x-axis direction in fig. 2, and the ordinate direction is the positive y-axis direction, when the display device displays laterally, if the first position is located at 30% of the positive x-axis direction in the display area, the second position should be located at 30% of the positive y-axis direction in the target area, so as to ensure that displayed data is not deformed.
In some embodiments of the present disclosure, the second location is a distance x3 from the edge of the destination area in a direction opposite to the abscissa direction, and the abscissa x2 ═ x3+ offset x of the second coordinate; the distance from the second position to the edge of the target area in the opposite direction of the ordinate is y3, and the ordinate y2 of the second coordinate is y3+ offset y. In some embodiments, referring to fig. 2, x2 is the abscissa of P2 point, y2 is the ordinate of P2 point, offset x is the abscissa of a1 point, offset y is the ordinate of a1 point, and x3 and y3 are the distances separating the P2 point from the edge of the target area along the opposite directions of the abscissa and the overall coordinate. I.e. the position of the second position in the display area is determined based on the position of the second position in the target area plus the position of the target area in the display area.
In some embodiments of the present disclosure, the usage direction of the target terminal is a vertical direction, and the display direction of the display device is a horizontal direction. In some embodiments, the target terminal includes a writing pad, and the first coordinates are coordinates of a writing point detected by the writing pad. In some embodiments, the handwriting pad has the writing detection area, write the coordinate system that has on the detection area, the coordinate of writing the point can be the coordinate of writing the point in this writing coordinate system, the user writes in the writing detection area of handwriting pad, the writing of writing is transmitted and is shown on display device, when handwriting pad and display device all transversely placed, writing can directly transmit and show on display device, perhaps need zoom under some circumstances and show, but the user direction when the handwriting pad is different with display device's direction of display, then need carry out coordinate conversion and avoid the characters that display device shows to rotate and lead to unable reading.
In some embodiments, referring to fig. 3, the writing pad has a recessed area, and the writing detection area of the writing pad is located on the bottom surface of the recessed area; at least one notch is arranged along the wall around the depressed area. In some embodiments, the handwriting board places paper for writing in the depressed area in the use process, a user writes normally on the paper, the handwriting board detects that writing handwriting generates electronic data and transmits the electronic data to the display device, so that normal writing and electronic writing are achieved simultaneously, the writing paper can be located by setting the depressed area, the paper is prevented from moving, the size of the depressed area can be made to be the same as or slightly larger than that of the paper, and the paper can be conveniently placed and turned over by setting notches on the wall around the depressed area.
For convenience of explanation of the methods proposed in the embodiments of the present disclosure, a specific embodiment is presented below. In this embodiment, the target terminal is a handwriting board, the handwriting board has a writing detection area, the number of coordinate units in the length direction and the width direction of the writing detection area is the same as the number of coordinate units in the length direction and the width direction of the display device, for example, both are 100 units of a rectangle in length and 50 units in width direction, each position of the writing detection area corresponds to each position of the display device one by one, for example, in the case that the handwriting board and the display device are both horizontal, the origin of the coordinate system is set at the vertex of the same position of the rectangle, so that the coordinates detected by the handwriting board can be directly transmitted to the display device for display, the first coordinate is (10,15), the direct display device displays at the position of (10,15) of the adopted coordinate system, but in the case that the handwriting board is in a vertical state, the problem of character rotation occurs, therefore, coordinate transformation is required, as shown in fig. 2, the rectangle ABDC of fig. 2 is the display area, the rectangle A1B1D1C1 is the target area in the display area, P1 is the first position corresponding to the first coordinate, this is the position where the first coordinate should be displayed in the display area in the state where both the tablet and the display device are oriented horizontally, P2 is the second position where the first coordinate is displayed in the target area in the vertical direction of the tablet and the horizontal direction of the display device, when displaying, first position P1 corresponding to the first coordinate is determined, taking fig. 2 as an example, the origin of the coordinate system is located at the sitting point in fig. 2, the coordinates of P1 are (x1, y1), the coordinates of P2 are (x2, y2), the distance between P2 and side A1B1 is y3, the distance between P2 and side A1C1 is x3, the coordinates of A1 are (fsetx, offset), h1, h2 are the lengths of the display area and the target area on the y axis, and w1, w2 are the lengths of the display area and the target area on the x axis, respectively.
According to the formula: x2 ═ ((h1-y1)/h1) x w1+ offset x; y2 ═ x1/w1 × h2+ offset y;
the coordinates x2 and y2 of P2 were calculated and then displayed at the position of P2.
As shown in fig. 4, some embodiments of the present disclosure provide a control device of a display device, the display device having a display area, including:
a receiving unit 10, configured to receive a first coordinate sent by a target terminal, where the first coordinate is located at a first position of the display area, and a use direction of the target terminal is different from a display direction of the display device;
a computing unit 20 for determining a second coordinate from the first coordinate, wherein an abscissa x2 of the second coordinate is associated with an ordinate y1 of the first coordinate, an ordinate y2 of the second coordinate is associated with an abscissa x1 of the first coordinate, and the second coordinate is located at a second position of the target area;
and a display unit 30 for displaying in the target area according to the second position.
For the embodiments of the apparatus, since they correspond substantially to the method embodiments, reference may be made to the partial description of the method embodiments for relevant points. The above-described apparatus embodiments are merely illustrative, wherein the modules described as separate modules may or may not be separate. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
The method and apparatus of the present disclosure have been described above based on the embodiments and application examples. In addition, the present disclosure also provides a terminal and a storage medium, which are described below.
Referring now to fig. 5, a schematic diagram of an electronic device (e.g., a terminal device or server) 800 suitable for use in implementing embodiments of the present disclosure is shown. The terminal device in the embodiments of the present disclosure may include, but is not limited to, a mobile terminal such as a mobile phone, a notebook computer, a digital broadcast receiver, a PDA (personal digital assistant), a PAD (tablet computer), a PMP (portable multimedia player), a vehicle terminal (e.g., a car navigation terminal), and the like, and a stationary terminal such as a digital TV, a desktop computer, and the like. The electronic device shown in the drawings is only an example and should not bring any limitation to the functions and use range of the embodiments of the present disclosure.
The electronic device 800 may include a processing means (e.g., a central processing unit, a graphics processor, etc.) 801 that may perform various appropriate actions and processes in accordance with a program stored in a Read Only Memory (ROM)802 or a program loaded from a storage means 808 into a Random Access Memory (RAM) 803. In the RAM803, various programs and data necessary for the operation of the electronic apparatus 800 are also stored. The processing apparatus 801, the ROM 802, and the RAM803 are connected to each other by a bus 804. An input/output (I/O) interface 805 is also connected to bus 804.
Generally, the following devices may be connected to the I/O interface 805: input devices 806 including, for example, a touch screen, touch pad, keyboard, mouse, camera, microphone, accelerometer, gyroscope, etc.; output devices 807 including, for example, a Liquid Crystal Display (LCD), speakers, vibrators, and the like; storage 808 including, for example, magnetic tape, hard disk, etc.; and a communication device 809. The communication means 809 may allow the electronic device 800 to communicate wirelessly or by wire with other devices to exchange data. While the figure illustrates an electronic device 800 having various means, it is to be understood that not all illustrated means are required to be implemented or provided. More or fewer devices may alternatively be implemented or provided.
In particular, according to an embodiment of the present disclosure, the processes described above with reference to the flowcharts may be implemented as computer software programs. For example, embodiments of the present disclosure include a computer program product comprising a computer program embodied on a computer readable medium, the computer program comprising program code for performing the method illustrated in the flow chart. In such an embodiment, the computer program may be downloaded and installed from a network through the communication means 809, or installed from the storage means 808, or installed from the ROM 802. The computer program, when executed by the processing apparatus 801, performs the above-described functions defined in the methods of the embodiments of the present disclosure.
It should be noted that the computer readable medium in the present disclosure can be a computer readable signal medium or a computer readable storage medium or any combination of the two. A computer readable storage medium may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the foregoing. More specific examples of the computer readable storage medium may include, but are not limited to: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In the present disclosure, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device. In contrast, in the present disclosure, a computer readable signal medium may comprise a propagated data signal with computer readable program code embodied therein, either in baseband or as part of a carrier wave. Such a propagated data signal may take many forms, including, but not limited to, electro-magnetic, optical, or any suitable combination thereof. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device. Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to: electrical wires, optical cables, RF (radio frequency), etc., or any suitable combination of the foregoing.
In some embodiments, the clients, servers may communicate using any currently known or future developed network Protocol, such as HTTP (HyperText Transfer Protocol), and may interconnect with any form or medium of digital data communication (e.g., a communications network). Examples of communication networks include a local area network ("LAN"), a wide area network ("WAN"), the Internet (e.g., the Internet), and peer-to-peer networks (e.g., ad hoc peer-to-peer networks), as well as any currently known or future developed network.
The computer readable medium may be embodied in the electronic device; or may exist separately without being assembled into the electronic device.
The computer readable medium carries one or more programs which, when executed by the electronic device, cause the electronic device to perform the methods of the present disclosure as described above.
Computer program code for carrying out operations for aspects of the present disclosure may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, Smalltalk, C + +, and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the case of a remote computer, the remote computer may be connected to the user's computer through any type of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or the connection may be made to an external computer (for example, through the Internet using an Internet service provider).
The flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present disclosure. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
The units described in the embodiments of the present disclosure may be implemented by software or hardware. Where the name of an element does not in some cases constitute a limitation on the element itself.
The functions described herein above may be performed, at least in part, by one or more hardware logic components. For example, without limitation, exemplary types of hardware logic components that may be used include: field Programmable Gate Arrays (FPGAs), Application Specific Integrated Circuits (ASICs), Application Specific Standard Products (ASSPs), systems on a chip (SOCs), Complex Programmable Logic Devices (CPLDs), and the like.
In the context of this disclosure, a machine-readable medium may be a tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device. The machine-readable medium may be a machine-readable signal medium or a machine-readable storage medium. A machine-readable medium may include, but is not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any suitable combination of the foregoing. More specific examples of a machine-readable storage medium would include an electrical connection based on one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.
According to one or more embodiments of the present disclosure, there is provided a control method of a display device having a display area including a target area, including:
receiving a first coordinate sent by a target terminal, wherein the first coordinate is correspondingly located at a first position of the display area, and the use direction of the target terminal is different from the display direction of the display device;
determining a second coordinate from the first coordinate, wherein an abscissa x2 of the second coordinate is associated with an ordinate y1 of the first coordinate, an ordinate y2 of the second coordinate is associated with an abscissa x1 of the first coordinate, and the second coordinate corresponds to a second position of the target area;
and displaying in the target area according to the second coordinate.
According to one or more embodiments of the present disclosure, there is provided a control method of a display apparatus, determining an ordinate y2 of a second coordinate according to an abscissa x1 of the first coordinate, a length w1 of the display area in an abscissa direction, a length h2 of the target area in an ordinate direction, and a separation distance offset of the target area from the display area in a direction opposite to the ordinate direction;
the abscissa x2 of the second coordinate is determined from the ordinate y1 of the first coordinate, the length h1 of the display area in the ordinate direction, the length w2 of the target area in the abscissa direction, and the spacing distance offset of the target area from the edge of the display area in the opposite direction to the abscissa direction.
According to one or more embodiments of the present disclosure, there is provided a control method of a display device, the second position being a distance x3 from the edge of the target area in the opposite direction of the abscissa direction, the second position being a distance y3 from the edge of the target area in the opposite direction of the ordinate direction;
wherein x1/w1 is y3/h2, (h1-y1)/h1 is x3/w 2.
According to one or more embodiments of the present disclosure, there is provided a control method of a display device, x2 ═ x3+ offset x; y2 is y3+ offset y.
According to one or more embodiments of the present disclosure, there is provided a control method of a display device, in which a use direction of the target terminal is a vertical direction and a display direction of the display device is a horizontal direction.
According to one or more embodiments of the present disclosure, there is provided a control method of a display device, the target terminal including a handwriting pad, the first coordinates being coordinates of a writing point detected by the handwriting pad.
According to one or more embodiments of the present disclosure, there is provided a control method of a display device, the handwriting board having a depression area, the writing detection area of the handwriting board being located at a bottom surface of the depression area;
at least one notch is arranged on the wall along the periphery of the depressed area.
According to one or more embodiments of the present disclosure, there is provided a control apparatus of a display apparatus having a display area including a target area, including:
the receiving unit is used for receiving a first coordinate sent by a target terminal, wherein the first coordinate is correspondingly positioned at a first position of the display area, and the using direction of the target terminal is different from the display direction of the display device;
a computing unit for determining a second coordinate from the first coordinate, wherein an abscissa x2 of the second coordinate is associated with an ordinate y1 of the first coordinate, an ordinate y2 of the second coordinate is associated with an abscissa x1 of the first coordinate, and the second coordinate corresponds to a second position of the target area;
and the display unit is used for displaying in the target area according to the second coordinate.
According to one or more embodiments of the present disclosure, there is provided a terminal including: at least one memory and at least one processor;
wherein the at least one memory is configured to store program code, and the at least one processor is configured to call the program code stored in the at least one memory to perform the method of any one of the above.
According to one or more embodiments of the present disclosure, there is provided a storage medium for storing program code for performing the above-described method.
The foregoing description is only exemplary of the preferred embodiments of the disclosure and is illustrative of the principles of the technology employed. It will be appreciated by those skilled in the art that the scope of the disclosure herein is not limited to the particular combination of features described above, but also encompasses other embodiments in which any combination of the features described above or their equivalents does not depart from the spirit of the disclosure. For example, the above features and (but not limited to) the features disclosed in this disclosure having similar functions are replaced with each other to form the technical solution.
Further, while operations are depicted in a particular order, this should not be understood as requiring that such operations be performed in the particular order shown or in sequential order. Under certain circumstances, multitasking and parallel processing may be advantageous. Likewise, while several specific implementation details are included in the above discussion, these should not be construed as limitations on the scope of the disclosure. Certain features that are described in the context of separate embodiments can also be implemented in combination in a single embodiment. Conversely, various features that are described in the context of a single embodiment can also be implemented in multiple embodiments separately or in any suitable subcombination.
Although the subject matter has been described in language specific to structural features and/or methodological acts, it is to be understood that the subject matter defined in the appended claims is not necessarily limited to the specific features or acts described above. Rather, the specific features and acts described above are disclosed as example forms of implementing the claims.
Claims (10)
1. A control method of a display device having a display area including a target area, comprising:
receiving a first coordinate sent by a target terminal, wherein the first coordinate is correspondingly located at a first position of the display area, and the use direction of the target terminal is different from the display direction of the display device;
determining a second coordinate from the first coordinate, wherein an abscissa x2 of the second coordinate is associated with an ordinate y1 of the first coordinate, an ordinate y2 of the second coordinate is associated with an abscissa x1 of the first coordinate, and the second coordinate corresponds to a second position of the target area;
and displaying in the target area according to the second coordinate.
2. The method of claim 1,
determining an ordinate y2 of a second coordinate from an abscissa x1 of the first coordinate, a length w1 of the display area in the abscissa direction, a length h2 of the target area in the ordinate direction, and a separation distance offset of the target area from the display area in the opposite direction of the ordinate direction;
the abscissa x2 of the second coordinate is determined from the ordinate y1 of the first coordinate, the length h1 of the display area in the ordinate direction, the length w2 of the target area in the abscissa direction, and the spacing distance offset of the target area from the edge of the display area in the opposite direction to the abscissa direction.
3. The method of claim 2,
the distance from the second position to the edge of the target zone in the opposite direction of the abscissa direction is x3, and the distance from the second position to the edge of the target zone in the opposite direction of the ordinate direction is y 3;
wherein x1/w1 is y3/h2, (h1-y1)/h1 is x3/w 2.
4. The method of claim 3,
x2＝x3+offsetX；
y2＝y3+offsetY。
5. the method of claim 1,
the using direction of the target terminal is vertical, and the display direction of the display device is horizontal.
6. The method of claim 1,
the target terminal comprises a handwriting board, and the first coordinate is the coordinate of a handwriting point detected by the handwriting board.
7. The method of claim 1,
the handwriting board is provided with a recessed area, and a writing detection area of the handwriting board is positioned on the bottom surface of the recessed area;
at least one notch is arranged on the wall along the periphery of the depressed area.
8. A control device of a display device having a display area including a target area, comprising:
the receiving unit is used for receiving a first coordinate sent by a target terminal, wherein the first coordinate is correspondingly positioned at a first position of the display area, and the using direction of the target terminal is different from the display direction of the display device;
a computing unit for determining a second coordinate from the first coordinate, wherein an abscissa x2 of the second coordinate is associated with an ordinate y1 of the first coordinate, an ordinate y2 of the second coordinate is associated with an abscissa x1 of the first coordinate, and the second coordinate corresponds to a second position of the target area;
and the display unit is used for displaying in the target area according to the second coordinate.
9. A terminal, comprising:
at least one memory and at least one processor;
wherein the at least one memory is configured to store program code and the at least one processor is configured to invoke the program code stored in the at least one memory to perform the method of any of claims 1 to 7.
10. A storage medium for storing program code for performing the method of any one of claims 1 to 7.
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