WO2019015096A1 - 基于双系统的笔迹书写设置方法和系统、存储介质及设备 - Google Patents

基于双系统的笔迹书写设置方法和系统、存储介质及设备 Download PDF

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WO2019015096A1
WO2019015096A1 PCT/CN2017/103427 CN2017103427W WO2019015096A1 WO 2019015096 A1 WO2019015096 A1 WO 2019015096A1 CN 2017103427 W CN2017103427 W CN 2017103427W WO 2019015096 A1 WO2019015096 A1 WO 2019015096A1
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writing
handwriting
transparency
display
transparent
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PCT/CN2017/103427
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English (en)
French (fr)
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张维元
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广州视源电子科技股份有限公司
广州视臻信息科技有限公司
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Publication of WO2019015096A1 publication Critical patent/WO2019015096A1/zh

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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
    • G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
    • G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
    • G06F3/04883—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures for inputting data by handwriting, e.g. gesture or text

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  • the present invention relates to the field of touch screen technologies, and in particular, to a dual system based handwriting writing setting method and system, a storage medium and a device.
  • a dual system display device is an electronic device that includes two complete operating systems.
  • the operating system of the dual system display device may be composed of a main Android system plus other Android systems, or a main Android system plus a Windows system.
  • the main Android system is referred to as a first system
  • the other system is referred to as a second system. .
  • the traditional two-system-based handwriting writing method tends to cause extra first handwriting of the first system when performing non-writing operations, and the writing effect is poor.
  • a dual system based handwriting writing setting method includes the following steps:
  • the current display transparency of the handwriting on the transparent writing layer is set to a first transparency; wherein, when the writing software of the second system is started, the first system is sent to the first system by the second system Activating an instruction to activate a transparent writing layer in the first system according to the startup instruction,
  • the first transparency is an invisible transparency;
  • the writing After the writing starts, sending a display setting instruction to the first system by using the second system; wherein the display setting instruction includes a target display transparency of the handwriting on the writing interface of the writing software;
  • the current display transparency of the handwriting on the transparent writing layer is switched to the first transparency after writing is completed.
  • a dual-system handwriting writing setting system comprising:
  • a first setting module configured to set a current display transparency of the handwriting on the transparent writing layer to a first transparency after the first system starts the transparent writing layer; wherein, when the writing software of the second system is started, The second system sends a startup instruction to the first system, and the transparent writing layer is activated in the first system according to the startup instruction, the first transparency being an invisible transparency;
  • a sending module configured to send, by the second system, a display setting instruction to the first system after the writing starts; wherein the display setting instruction includes a target display transparency of the handwriting on the writing interface of the writing software;
  • a second setting module configured to set a current display transparency of the handwriting on the transparent writing layer to the target display transparency according to the display setting instruction
  • a third setting module configured to switch the current display transparency of the handwriting on the transparent writing layer to the first transparency after the writing ends.
  • a computer readable storage medium having stored thereon a computer program that, when executed by a processor, implements a dual system based handwriting writing setting method.
  • a computer device comprising a memory, a processor, and a computer program stored on the memory and operable on the processor, the processor executing the program to implement a dual system based handwriting writing setting method.
  • the above-described dual-system-based handwriting writing setting method and system, storage medium and device, the first system and the second system simultaneously perform handwriting writing operations, through instruction interaction between the first system and the second system, only after writing starts, Set the current display color of the handwriting on the transparent layer of the first system to The target color on the second system writing interface, after the writing is finished and before the writing starts, the current display color of the handwriting on the transparent layer of the first system is set to a transparent color, thereby avoiding the easy occurrence of non-writing operations.
  • the extra first handwriting of the first system has a good writing effect.
  • Figure 1 is a schematic view of the handwriting of the redundant first system of one embodiment
  • FIG. 2 is a flow chart of a dual system based handwriting writing setting method according to an embodiment
  • FIG. 3 is a schematic diagram of a broken pen phenomenon of an embodiment
  • FIG. 4 is a schematic structural view of a dual system based handwriting writing setting system of one embodiment.
  • the present invention provides a dual-system handwriting writing setting method, which may include the following steps:
  • the current display transparency of the handwriting on the transparent writing layer is set to a first transparency; wherein, when the writing software of the second system is started, the second system is first The system sends a startup instruction, and the transparent writing layer is started in the first system according to the startup instruction, and the first transparency is an invisible transparency;
  • the first system may be an operating system such as an Android system, an IOS system, or a Windows system
  • the second system may also be one of the above systems.
  • the first system and the second system may both be Android systems.
  • the writing software of the second system is the writing software installed in the second system.
  • the principle of the handwriting process based on the dual system is as follows: When the handwriting is drawn by the writing software of the second system, the handwriting display process needs to be displayed after HMDI encoding, transmission and HDMI decoding. In order to speed up the handwriting display, when the writing software of the second system is started, a startup command can be sent to the first system through the second system, and a transparent writing layer is activated in the first system.
  • the transparent writing layer Since the writing software of the second system is activated first, the transparent writing layer is activated, so that the transparent writing layer will overwrite the writing software of the second system. And, since the first system starts up with a transparent writing layer, That is, the background is transparent, so for the user, the existence of the transparent layer of the first system cannot be perceived, and the startup process is not perceived.
  • the above handwriting drawing process has the following problems: in the writing software of the second system, there are often more than just writing operations, and other non-writing operations, such as setting the thickness of the handwriting, the color of the handwriting, selecting a different writing pen or eraser, etc. Wait. When the user performs a non-writing operation, the first system transparent writing layer still maintains the state of writing handwriting, which causes the user to have extra first handwriting of the first system when the second system performs non-writing interaction.
  • this step sets the current display transparency of the handwriting on the transparent writing layer to the first transparency after the first system starts the transparent writing layer.
  • the first transparency is the invisible transparency, that is, the transparency that the user cannot perceive.
  • the first transparency may be a value greater than a certain transparency threshold, for example, a value greater than 95% transparency.
  • the first transparency may be 100% transparency, ie fully transparent. Since the current display transparency of the handwriting is set to the first transparency, before the first system receives the instruction to switch the display transparency, the handwriting drawn is a transparent handwriting, and the user does not perceive the presence of the handwriting.
  • the non-writing operation may be detected after the first system initiates the activation of the transparent writing layer; if the non-writing operation is detected, the current display of the transparent writing layer is performed prior to performing the non-writing operation Transparency is set to the first transparency.
  • the current display transparency of the transparent writing layer is set to the first transparency only when the non-writing operation is detected, and when the non-writing operation is detected, the current display transparency of the transparent writing layer is first set, and then the non-execution is performed.
  • Writing operations in this way, can save the program and avoid repeated switching.
  • non-writing operations may include interaction with menus, toolbars, and/or palettes.
  • buttons such as menus, toolbars, and/or palettes tend to be fixed on the writing interface. Therefore, it is possible to determine whether the user has performed a non-writing operation by detecting the touch position. For example, when it is detected that a touch event occurs in a set area (ie, an area where an icon corresponding to a non-writing operation is located), and the touch time exists for a time exceeding a preset time threshold, it may be determined that the non-touch time is performed.
  • This time threshold can be the time required for the user to click on the icon.
  • an area of the area where the touch event occurs is smaller than a preset area threshold
  • the user just clicks on an area instead of drawing a handwriting, and the execution is determined.
  • the area threshold may be the user's finger and the writing interface The area touched.
  • a touch event start command issued by the system may be detected, and if detected, a touch event is determined to occur.
  • a touch event is determined to occur.
  • the Android system as an example, when the ACTION_DOWN command issued by the system is detected, it can be determined that a touch event occurs.
  • the default handwriting display transparency of the second system can be set to the target display transparency and sent to the first system.
  • the handwriting transparency switching operation eg, clicking the corresponding icon
  • the default handwriting transparency of the second system may be 0% transparency, so 0% transparency can be directly set to the target display transparency; but if the user performs a transparency switching operation when drawing the handwriting on the writing interface of the second system,
  • the current system's current handwriting display transparency is set to 10% transparency, which sets the 10% transparency to the target display transparency.
  • handwriting writing on the transparent writing layer may also be performed according to the target display transparency to obtain the first Writing a handwriting on the writing interface of the writing software according to the target display transparency to obtain a second handwriting; displaying the first handwriting on the transparent writing layer, and displaying the second handwriting On the writing interface.
  • the handwriting display of the first system and the second system can be synchronized, including synchronization in time and synchronization in transparency.
  • the display setting instruction may further include a target line style of the handwriting on the display interface.
  • the line style of the handwriting on the transparent writing layer may also be set to the target line style according to the display setting instruction.
  • the line style may include line thickness, line end point, and/or line line type. In this way, the handwriting display of the first system and the second system can be further synchronized to maintain line style.
  • the display setting instruction may further include a target display color of the handwriting on the display interface.
  • the display color of the handwriting on the transparent writing layer may also be set to the target display color according to the display setting instruction.
  • the target display color of the display interface of the second system is black, and the display color of the handwriting on the transparent writing layer of the first system can be set to black accordingly. In this way, the handwriting display of the first system and the second system can be further synchronized to maintain handwriting color.
  • Writing can be performed on the first system and the second system in synchronization according to the above transparency/color/pattern.
  • the first handwriting can also be rendered and the rendered first handwriting displayed on the transparent writing layer. If the handwriting attribute information acquired by the first system includes the color information of the handwriting line, the first handwriting may be rendered according to the color information.
  • the current display transparency of the handwriting on the transparent writing layer can be switched to the first transparency to avoid erroneous display when the writing interface is inadvertently touched. Further, after the end of writing, if the handwriting writing operation on the writing interface is completed, the first handwriting can be erased.
  • Whether the touch event is ended can be determined by detecting a touch event end instruction.
  • the touch event end instruction it may be determined that the touch event ends, otherwise, it is determined that the touch event has not ended.
  • the ACTION_UP event can be detected. If detected, the touch event can be determined to end, otherwise, the touch event is not ended.
  • the first system and the second system simultaneously perform the handwriting writing operation, and through the instruction interaction between the first system and the second system, the first system is transparently written only after the writing starts.
  • the current display transparency of the handwriting on the layer is set to the target display transparency on the second system writing interface, and the current display transparency of the handwriting on the first system transparent writing layer is set to the first transparency after the writing ends and before the writing starts, thereby It avoids the handwriting that is easy to cause unnecessary first system when performing non-writing operations, and the writing effect is good.
  • the blank space of the red frame indicates the pen break phenomenon that occurs during the rapid pen down and pen lifting process.
  • the reason why the pen breaks occur is because of the delay of the communication between the two systems during the rapid pen down and pen lifting process.
  • the dual system-based handwriting writing setting method of the present invention does not cause the above problem.
  • the present invention further provides a dual-system handwriting writing setting system, which may include:
  • a first setting module 10 configured to set a current display color of the handwriting on the transparent writing layer to a transparent color after the first system starts the transparent writing layer; wherein, when the writing software of the second system is started, the first The second system sends a startup instruction to the first system, and starts a transparent writing layer in the first system according to the startup instruction;
  • the first system may be an operating system such as an Android system, an IOS system, or a Windows system
  • the second system may also be one of the above systems.
  • the first system and the second system may both be Android systems.
  • the writing software of the second system is the writing software installed in the second system.
  • the principle of the handwriting process based on the dual system is as follows: When the handwriting is drawn by the writing software of the second system, the handwriting display process needs to be displayed after HMDI encoding, transmission and HDMI decoding. In order to speed up the handwriting display, when the writing software of the second system is started, a startup command can be sent to the first system through the second system, and a transparent writing layer is activated in the first system.
  • the transparent writing layer Since the writing software of the second system is activated first, the transparent writing layer is activated, so that the transparent writing layer will overwrite the writing software of the second system. Moreover, since the first system starts the transparent writing layer, that is, the background thereof is transparent, it is impossible for the user to perceive the existence of the transparent writing layer of the first system, and the startup process is not perceived.
  • the above handwriting drawing process has the following problems: in the writing software of the second system, there are often more than just writing operations, and other non-writing operations, such as setting the thickness of the handwriting, the color of the handwriting, selecting a different writing pen or eraser, etc. Wait. When the user performs a non-writing operation, the first system transparent writing layer still maintains the state of writing handwriting, which leads to The user has an extra first handwriting of the first system when the second system performs a non-writing interaction.
  • this step sets the current display transparency of the handwriting on the transparent writing layer to the first transparency after the first system starts the transparent writing layer.
  • the first transparency is the invisible transparency, that is, the transparency that the user cannot perceive.
  • the first transparency may be a value greater than a certain transparency threshold, for example, a value greater than 95% transparency.
  • the first transparency may be 100% transparency, ie fully transparent. Since the current display transparency of the handwriting is set to the first transparency, before the first system receives the instruction to switch the display transparency, the handwriting drawn is a transparent handwriting, and the user does not perceive the presence of the handwriting.
  • the non-writing operation may be detected after the first system initiates the activation of the transparent writing layer; if the non-writing operation is detected, the current display of the transparent writing layer is performed prior to performing the non-writing operation Transparency is set to the first transparency.
  • the current display transparency of the transparent writing layer is set to the first transparency only when the non-writing operation is detected, and when the non-writing operation is detected, the current display transparency of the transparent writing layer is first set, and then the non-execution is performed.
  • Writing operations in this way, can save the program and avoid repeated switching.
  • non-writing operations may include interaction with menus, toolbars, and/or palettes.
  • buttons such as menus, toolbars, and/or palettes tend to be fixed on the writing interface. Therefore, it is possible to determine whether the user has performed a non-writing operation by detecting the touch position. For example, when it is detected that a touch event occurs in a set area (ie, an area where an icon corresponding to a non-writing operation is located), and the touch time exists for a time exceeding a preset time threshold, it may be determined that the non-touch time is performed.
  • This time threshold can be the time required for the user to click on the icon.
  • an area of the area where the touch event occurs is smaller than a preset area threshold
  • the user just clicks on an area instead of drawing a handwriting, and the execution is determined.
  • the area threshold may be the area in which the user's finger is in contact with the writing interface.
  • the touch event start command issued by the system can be detected, and if detected, the touch event is determined to occur.
  • the touch event is determined to occur.
  • the Android system as an example, when the ACTION_DOWN command issued by the system is detected, it can be determined that a touch event occurs.
  • the sending module 20 is configured to send display settings to the first system by using the second system after the writing starts An instruction; wherein the display setting instruction includes a target display transparency of a handwriting on a writing interface of the writing software;
  • the default handwriting display transparency of the second system can be set to the target display transparency and sent to the first system.
  • the handwriting transparency switching operation eg, clicking the corresponding icon
  • the default handwriting transparency of the second system may be 0% transparency, so 0% transparency can be directly set to the target display transparency; but if the user performs a transparency switching operation when drawing the handwriting on the writing interface of the second system,
  • the current system's current handwriting display transparency is set to 10% transparency, which sets the 10% transparency to the target display transparency.
  • a second setting module 30 configured to set a current display transparency of the handwriting on the transparent writing layer to the target display transparency according to the display setting instruction
  • handwriting writing on the transparent writing layer may also be performed according to the target display transparency to obtain the first Writing a handwriting on the writing interface of the writing software according to the target display transparency to obtain a second handwriting; displaying the first handwriting on the transparent writing layer, and displaying the second handwriting On the writing interface.
  • the handwriting display of the first system and the second system can be synchronized, including synchronization in time and synchronization in transparency.
  • the display setting instruction may further include a target line style of the handwriting on the display interface.
  • the line style of the handwriting on the transparent writing layer may also be set to the target line style according to the display setting instruction.
  • the line style may include line thickness, line end point, and/or line line type. In this way, the handwriting display of the first system and the second system can be further synchronized to maintain line style.
  • the display setting instruction may further include a target display color of the handwriting on the display interface.
  • the display color of the handwriting on the transparent writing layer may also be set to the target display color according to the display setting instruction.
  • the target display color of the display interface of the second system is black
  • the first system transparent book can be correspondingly
  • the display color of the handwriting on the write layer is set to black. In this way, the handwriting display of the first system and the second system can be further synchronized to maintain handwriting color.
  • Writing can be performed on the first system and the second system in synchronization according to the above transparency/color/pattern.
  • the first handwriting can also be rendered and the rendered first handwriting displayed on the transparent writing layer. If the handwriting attribute information acquired by the first system includes the color information of the handwriting line, the first handwriting may be rendered according to the color information.
  • the third setting module 40 is configured to switch the current display transparency of the handwriting on the transparent writing layer to the first transparency after the writing ends.
  • the current display transparency of the handwriting on the transparent writing layer can be switched to the first transparency to avoid erroneous display when the writing interface is inadvertently touched. Further, after the end of writing, if the handwriting writing operation on the writing interface is completed, the first handwriting can be erased.
  • Whether the touch event is ended can be determined by detecting a touch event end instruction.
  • the touch event end instruction it may be determined that the touch event ends, otherwise, it is determined that the touch event has not ended.
  • the ACTION_UP event can be detected. If detected, the touch event can be determined to end, otherwise, the touch event is not ended.
  • the first system and the second system simultaneously perform the handwriting writing operation, and through the instruction interaction between the first system and the second system, the first system is transparently written only after the writing starts.
  • the current display transparency of the handwriting on the layer is set to the target display transparency on the second system writing interface, and the current display transparency of the handwriting on the first system transparent writing layer is set to the first transparency after the writing ends and before the writing starts, thereby It avoids the handwriting that is easy to cause unnecessary first system when performing non-writing operations, and the writing effect is good.
  • the dual system-based handwriting writing setting system of the present invention corresponds to the dual system-based handwriting writing setting method of the present invention, and the technical features and beneficial effects described in the above embodiment of the dual system-based handwriting writing setting method are applicable.
  • the embodiment of the dual system based handwriting writing setting system it is hereby declared.
  • the present invention further provides a computer readable storage medium having stored thereon a computer program, which, when executed by a processor, implements a dual system based handwriting writing device in any of the above embodiments Set method.
  • the present invention also provides a computer device comprising a memory, a processor, and a computer program stored on the memory and operable on the processor, the processor executing the program to implement the basis in any of the above embodiments Dual system handwriting setting method.
  • a "computer-readable medium” can be any apparatus that can contain, store, communicate, propagate, or transport a program for use in an instruction execution system, apparatus, or apparatus, or in conjunction with such an instruction execution system, apparatus, or apparatus.
  • computer readable media include the following: electrical connections (electronic devices) having one or more wires, portable computer disk cartridges (magnetic devices), random access memory (RAM), Read only memory (ROM), erasable editable read only memory (EPROM or flash memory), fiber optic devices, and portable compact disk read only memory (CDROM).
  • the computer readable medium may even be a paper or other suitable medium on which the program can be printed, as it may be optically scanned, for example by paper or other medium, followed by editing, interpretation or, if appropriate, other suitable The method is processed to obtain the program electronically and then stored in computer memory.
  • portions of the invention may be implemented in hardware, software, firmware or a combination thereof.
  • multiple steps or methods may be implemented in software or firmware stored in a memory and executed by a suitable instruction execution system.
  • a suitable instruction execution system For example, if implemented in hardware, as in another embodiment, it can be implemented by any one of the following techniques known in the art or a combination thereof: Discrete logic for logic gates that implement logic functions on data signals, application specific integrated circuits with suitable combination gates, programmable gate arrays (PGAs), field programmable gate arrays (FPGAs), and the like.

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Abstract

本发明涉及一种基于双系统的笔迹书写设置方法和系统、存储介质及设备，在第一系统启动透明书写层启动之后，将所述透明书写层上笔迹的当前显示透明度设置为第一透明度；其中，在第二系统的书写软件启动时，通过第二系统向第一系统发送启动指令，根据所述启动指令在第一系统启动透明书写层，所述第一透明度为不可见的透明度；在书写开始后，通过第二系统向第一系统发送显示设置指令；其中，所述显示设置指令中包括所述书写软件的书写界面上笔迹的目标显示透明度；根据所述显示设置指令将所述透明书写层上笔迹的当前显示透明度设置为所述目标显示透明度；在书写结束后将所述透明书写层上笔迹的当前显示透明度切换为所述第一透明度。

Description

基于双系统的笔迹书写设置方法和系统、存储介质及设备 技术领域
本发明涉及触摸屏技术领域，特别是涉及一种基于双系统的笔迹书写设置方法和系统、存储介质及设备。
背景技术
双系统显示设备是指包括两套完整的操作系统的电子设备。举例来说，双系统显示设备的操作系统可以由主安卓系统加其他安卓系统，或者由主安卓系统加Windows系统构成，一般将主安卓系统称为第一系统，另一系统称为第二系统。
在书写时，为了减少对书写笔迹的显示延时，有一种方式是在两个系统上同时进行笔迹书写。但是，在第二系统的书写软件上往往不止只有书写的操作，还有其他非书写的操作，比如：设置笔迹的粗细、笔迹的颜色、选择不同的书写笔或者橡皮擦等等。当用户进行非书写类的操作时，第一系统透明书写层依然保持书写笔迹的状态，这就会导致用户在第二系统进行非书写交互的时候出现多余的第一系统的笔迹，如图1所示。
综上所述，传统的基于双系统的笔迹书写方式在进行非书写操作时容易导致出现多余的第一系统的笔迹，书写效果较差。
发明内容
基于此，有必要针对书写效果较差的问题，提供一种基于双系统的笔迹书写设置方法和系统、存储介质及设备。
一种基于双系统的笔迹书写设置方法，包括以下步骤：
在第一系统启动透明书写层启动之后，将所述透明书写层上笔迹的当前显示透明度设置为第一透明度；其中，在第二系统的书写软件启动时，通过第二系统向第一系统发送启动指令，根据所述启动指令在第一系统启动透明书写层， 所述第一透明度为不可见的透明度；
在书写开始后，通过第二系统向第一系统发送显示设置指令；其中，所述显示设置指令中包括所述书写软件的书写界面上笔迹的目标显示透明度；
根据所述显示设置指令将所述透明书写层上笔迹的当前显示透明度设置为所述目标显示透明度；
在书写结束后将所述透明书写层上笔迹的当前显示透明度切换为所述第一透明度。
一种基于双系统的笔迹书写设置系统，包括：
第一设置模块，用于在第一系统启动透明书写层启动之后，将所述透明书写层上笔迹的当前显示透明度设置为第一透明度；其中，在第二系统的书写软件启动时，通过第二系统向第一系统发送启动指令，根据所述启动指令在第一系统启动透明书写层，所述第一透明度为不可见的透明度；
发送模块，用于在书写开始后，通过第二系统向第一系统发送显示设置指令；其中，所述显示设置指令中包括所述书写软件的书写界面上笔迹的目标显示透明度；
第二设置模块，用于根据所述显示设置指令将所述透明书写层上笔迹的当前显示透明度设置为所述目标显示透明度；
第三设置模块，用于在书写结束后将所述透明书写层上笔迹的当前显示透明度切换为所述第一透明度。
一种计算机可读存储介质，其上存储有计算机程序，该程序被处理器执行时实现基于双系统的笔迹书写设置方法。
一种计算机设备，包括存储器、处理器及存储在存储器上并可在处理器上运行的计算机程序，所述处理器执行所述程序时实现基于双系统的笔迹书写设置方法。
上述基于双系统的笔迹书写设置方法和系统、存储介质及设备，第一系统和第二系统同时执行笔迹书写操作，通过第一系统和第二系统之间的指令交互，只有在书写开始之后，才将第一系统透明书写层上笔迹的当前显示颜色设置为 第二系统书写界面上的目标颜色，在书写结束之后和书写开始之前，都将第一系统透明书写层上笔迹的当前显示颜色设置为透明颜色，从而避免了在进行非书写操作时容易导致出现多余的第一系统的笔迹，书写效果好。
附图说明
图1为一个实施例的多余的第一系统的笔迹示意图；
图2为一个实施例的基于双系统的笔迹书写设置方法流程图；
图3为一个实施例的断笔现象示意图；
图4为一个实施例的基于双系统的笔迹书写设置系统的结构示意图。
具体实施方式
下面结合附图对本发明的技术方案进行说明。
如图2所示，本发明提供一种基于双系统的笔迹书写设置方法，可包括以下步骤：
S1，在第一系统启动透明书写层启动之后，将所述透明书写层上笔迹的当前显示透明度设置为第一透明度；其中，在第二系统的书写软件启动时，通过第二系统向第一系统发送启动指令，根据所述启动指令在第一系统启动透明书写层，所述第一透明度为不可见的透明度；
在一个实施例中，第一系统可以是安卓系统、IOS系统或Windows系统等操作系统，第二系统也可以是上述系统之一。在一个典型的实施例中，第一系统和第二系统可均为安卓系统。第二系统的书写软件即为安装在第二系统中的书写软件。基于双系统的笔迹书写过程原理如下：当通过第二系统的书写软件进行笔迹绘制时，笔迹显示过程需要经过HMDI编码、传输和HDMI解码之后才能显示出来。为了加快笔迹显示，在第二系统的书写软件启动时，可以通过第二系统向第一系统发送启动指令，在第一系统启动一层透明书写层。由于第二系统的书写软件启动在先，透明书写层启动在后，因此，透明书写层将覆盖在第二系统的书写软件之上。并且，由于第一系统启动的是透明书写层，也 就是其背景是透明的，那么对用户来讲，是无法感知到第一系统透明书写层的存在，也感知不到这个启动过程。上述笔迹绘制过程存在以下问题：在第二系统的书写软件上往往不止只有书写的操作，还有其他非书写的操作，比如设置笔迹的粗细、笔迹的颜色、选择不同的书写笔或者橡皮擦等等。当用户进行非书写类的操作时，第一系统透明书写层依然保持书写笔迹的状态，这就会导致用户在第二系统进行非书写交互的时候出现多余的第一系统的笔迹。
为了解决上述问题，本步骤在第一系统启动透明书写层启动之后，将所述透明书写层上笔迹的当前显示透明度设置为第一透明度。其中，第一透明度是不可见的透明度，即，用户无法感知到的透明度。在一个实施例中，第一透明度可以是大于某个透明度阈值的值，例如，大于95％透明度的值。优选地，第一透明度可以是100％透明度，即全透明。由于笔迹的当前显示透明度设置为第一透明度，所以第一系统在接收到切换显示透明度的指令之前，绘制出来的笔迹都是透明笔迹，用户感知不到该笔迹的存在。
在一个实施例中，可以在第一系统启动透明书写层启动之后，检测非书写操作；若检测到所述非书写操作，在执行所述非书写操作之前，将所述透明书写层的当前显示透明度设置为第一透明度。本实施例只有在检测到非书写操作时，才将透明书写层的当前显示透明度设置为第一透明度，并且在检测到非书写操作时，先设置透明书写层的当前显示透明度，然后才执行非书写操作，这样，可以节约程序，避免反复切换。其中，非书写操作可包括与菜单、工具栏和/或调色盘的交互操作。在实际应用中，菜单、工具栏和/或调色盘等图标往往在书写界面上的位置往往是固定不变的，因此，可以通过检测触摸位置来判断用户是否执行了非书写操作。例如，当检测到设定区域(即非书写操作对应的图标所在区域)内发生触摸事件，并且该触摸时间存在的时间超过预设的时间阈值，则可判定执行了非触摸时间。该时间阈值可以是用户点击图标所需的时间。又例如，当检测到设定区域内发生触摸事件，并且触摸事件发生的区域的面积小于预设的面积阈值，可认为用户只是在点击某个区域，而不是在绘制笔迹，即可判定执行了非触摸时间。该面积阈值可以是用户手指与书写界面接 触的面积。
在本步骤中，可以检测系统发出的触摸事件启动指令，若检测到，则判定发生触摸事件。以安卓系统为例，当检测到系统发出的ACTION_DOWN指令时，可判定发生触摸事件。
S2，在书写开始后，通过第二系统向第一系统发送显示设置指令；其中，所述显示设置指令中包括所述书写软件的书写界面上笔迹的目标显示透明度；
在一个实施例中，在书写开始后，可以将第二系统的默认笔迹显示透明度设置为目标显示透明度，并发送到第一系统。在另一个实施例中，还可以在第二系统书写软件的书写界面上执行笔迹透明度切换操作(例如，点击相应图标)，选择第二系统对应的目标显示透明度。例如，第二系统的默认笔迹透明度可能是0％透明度，因此，可以直接将0％透明度设为目标显示透明度；但如果用户在第二系统的书写界面上绘制笔迹时执行了透明度切换操作，将第二系统的当前笔迹显示透明度设置为10％透明度，则可将10％透明度设置为目标显示透明度。
S3，根据所述显示设置指令将所述透明书写层上笔迹的当前显示透明度设置为所述目标显示透明度；
在根据所述显示设置指令将所述透明书写层上笔迹的当前显示透明度设置为所述目标显示透明度之后，还可以根据所述目标显示透明度在所述透明书写层上进行笔迹书写，得到第一笔迹，并根据所述目标显示透明度在所述书写软件的书写界面上进行笔迹书写，得到第二笔迹；将所述第一笔迹显示在所述透明书写层上，并将所述第二笔迹显示在所述书写界面上。这样，可以使第一系统和第二系统的笔迹显示保持同步，包括时间上的同步和透明度上的同步。
进一步地，显示设置指令中还可以包括所述显示界面上笔迹的目标线条样式。在通过第二系统向第一系统发送显示设置指令之后，还可以根据所述显示设置指令将所述透明书写层上的笔迹的线条样式设置为所述目标线条样式。其中，线条样式可包括线条粗细、线条端点和/或线条线型等。通过这种方式，可以进一步使第一系统和第二系统的笔迹显示保持线条样式同步。
更进一步地，显示设置指令中还可以包括所述显示界面上笔迹的目标显示颜色。在通过第二系统向第一系统发送显示设置指令之后，还可以根据所述显示设置指令将所述透明书写层上笔迹的显示颜色设置为所述目标显示颜色。例如，第二系统的显示界面的目标显示颜色为黑色，可相应地将第一系统透明书写层上笔迹的显示颜色设置为黑色。通过这种方式，可以进一步使第一系统和第二系统的笔迹显示保持笔迹颜色同步。
可根据上述透明度/颜色/样式同步地在第一系统和第二系统上进行书写。在一个进一步的实施例中，还可以对第一笔迹进行渲染，并将渲染后的第一笔迹显示在透明书写层上。若第一系统获取的笔迹属性信息中包括笔迹线条的颜色信息，可根据该颜色信息对第一笔迹进行渲染。
S4，在书写结束后将所述透明书写层上笔迹的当前显示透明度切换为所述第一透明度。
在书写结束后可以将透明书写层上笔迹的当前显示透明度切换为第一透明度，以避免后续无意中触摸到书写界面时的误显示。进一步地，在书写结束之后，若所述书写界面上的笔迹书写操作完成，可以擦除第一笔迹。
可通过检测触摸事件结束指令来判断触摸事件是否结束。当检测到所述触摸事件结束指令时，则可判定触摸事件结束，否则，判定触摸事件未结束。以安卓系统为例，可检测ACTION_UP事件，若检测到，则可判定触摸事件结束，否则，判定触摸事件未结束。
上述基于双系统的笔迹书写设置方法，第一系统和第二系统同时执行笔迹书写操作，通过第一系统和第二系统之间的指令交互，只有在书写开始之后，才将第一系统透明书写层上笔迹的当前显示透明度设置为第二系统书写界面上的目标显示透明度，在书写结束之后和书写开始之前，都将第一系统透明书写层上笔迹的当前显示透明度设置为第一透明度，从而避免了在进行非书写操作时容易导致出现多余的第一系统的笔迹，书写效果好。
值得一提的是，还有一种用于解决多余笔迹的方法，即：当第二系统监测到触摸结束事件时，发送停止书写指令至第一系统透明书写层，第一系统书写 层接收到指令后，停止书写；当第二系统监测到触摸开始事件时，发送开始书写指令至第一系统透明书写层，第一系统书写层收到指令后开始进行书写。这种方案虽然一定程度上能解决多余笔迹的问题，但是在快速落笔、抬笔的时候，会出现断笔的现象，所谓断笔就是连续的线段书写过程中出现某个局部线段无法显示，导致整体的连续性效果被破坏，如图3所示，红框空白处表示在快速落笔、抬笔过程中出现的断笔现象。之所以会出现断笔的现象是因为在快速的落笔和抬笔过程中，双系统的通信的延时所致。而本发明的基于双系统的笔迹书写设置方法则不会出现上述问题。
如图4所示，本发明还提供一种基于双系统的笔迹书写设置系统，可包括：
第一设置模块10，用于在第一系统启动透明书写层启动之后，将所述透明书写层上笔迹的当前显示颜色设置为透明颜色；其中，在第二系统的书写软件启动时，通过第二系统向第一系统发送启动指令，根据所述启动指令在第一系统启动透明书写层；
在一个实施例中，第一系统可以是安卓系统、IOS系统或Windows系统等操作系统，第二系统也可以是上述系统之一。在一个典型的实施例中，第一系统和第二系统可均为安卓系统。第二系统的书写软件即为安装在第二系统中的书写软件。基于双系统的笔迹书写过程原理如下：当通过第二系统的书写软件进行笔迹绘制时，笔迹显示过程需要经过HMDI编码、传输和HDMI解码之后才能显示出来。为了加快笔迹显示，在第二系统的书写软件启动时，可以通过第二系统向第一系统发送启动指令，在第一系统启动一层透明书写层。由于第二系统的书写软件启动在先，透明书写层启动在后，因此，透明书写层将覆盖在第二系统的书写软件之上。并且，由于第一系统启动的是透明书写层，也就是其背景是透明的，那么对用户来讲，是无法感知到第一系统透明书写层的存在，也感知不到这个启动过程。上述笔迹绘制过程存在以下问题：在第二系统的书写软件上往往不止只有书写的操作，还有其他非书写的操作，比如设置笔迹的粗细、笔迹的颜色、选择不同的书写笔或者橡皮擦等等。当用户进行非书写类的操作时，第一系统透明书写层依然保持书写笔迹的状态，这就会导致 用户在第二系统进行非书写交互的时候出现多余的第一系统的笔迹。
为了解决上述问题，本步骤在第一系统启动透明书写层启动之后，将所述透明书写层上笔迹的当前显示透明度设置为第一透明度。其中，第一透明度是不可见的透明度，即，用户无法感知到的透明度。在一个实施例中，第一透明度可以是大于某个透明度阈值的值，例如，大于95％透明度的值。优选地，第一透明度可以是100％透明度，即全透明。由于笔迹的当前显示透明度设置为第一透明度，所以第一系统在接收到切换显示透明度的指令之前，绘制出来的笔迹都是透明笔迹，用户感知不到该笔迹的存在。
在一个实施例中，可以在第一系统启动透明书写层启动之后，检测非书写操作；若检测到所述非书写操作，在执行所述非书写操作之前，将所述透明书写层的当前显示透明度设置为第一透明度。本实施例只有在检测到非书写操作时，才将透明书写层的当前显示透明度设置为第一透明度，并且在检测到非书写操作时，先设置透明书写层的当前显示透明度，然后才执行非书写操作，这样，可以节约程序，避免反复切换。其中，非书写操作可包括与菜单、工具栏和/或调色盘的交互操作。在实际应用中，菜单、工具栏和/或调色盘等图标往往在书写界面上的位置往往是固定不变的，因此，可以通过检测触摸位置来判断用户是否执行了非书写操作。例如，当检测到设定区域(即非书写操作对应的图标所在区域)内发生触摸事件，并且该触摸时间存在的时间超过预设的时间阈值，则可判定执行了非触摸时间。该时间阈值可以是用户点击图标所需的时间。又例如，当检测到设定区域内发生触摸事件，并且触摸事件发生的区域的面积小于预设的面积阈值，可认为用户只是在点击某个区域，而不是在绘制笔迹，即可判定执行了非触摸时间。该面积阈值可以是用户手指与书写界面接触的面积。
在本模块中，可以检测系统发出的触摸事件启动指令，若检测到，则判定发生触摸事件。以安卓系统为例，当检测到系统发出的ACTION_DOWN指令时，可判定发生触摸事件。
发送模块20，用于在书写开始后，通过第二系统向第一系统发送显示设置 指令；其中，所述显示设置指令中包括所述书写软件的书写界面上笔迹的目标显示透明度；
在一个实施例中，在书写开始后，可以将第二系统的默认笔迹显示透明度设置为目标显示透明度，并发送到第一系统。在另一个实施例中，还可以在第二系统书写软件的书写界面上执行笔迹透明度切换操作(例如，点击相应图标)，选择第二系统对应的目标显示透明度。例如，第二系统的默认笔迹透明度可能是0％透明度，因此，可以直接将0％透明度设为目标显示透明度；但如果用户在第二系统的书写界面上绘制笔迹时执行了透明度切换操作，将第二系统的当前笔迹显示透明度设置为10％透明度，则可将10％透明度设置为目标显示透明度。
第二设置模块30，用于根据所述显示设置指令将所述透明书写层上笔迹的当前显示透明度设置为所述目标显示透明度；
在根据所述显示设置指令将所述透明书写层上笔迹的当前显示透明度设置为所述目标显示透明度之后，还可以根据所述目标显示透明度在所述透明书写层上进行笔迹书写，得到第一笔迹，并根据所述目标显示透明度在所述书写软件的书写界面上进行笔迹书写，得到第二笔迹；将所述第一笔迹显示在所述透明书写层上，并将所述第二笔迹显示在所述书写界面上。这样，可以使第一系统和第二系统的笔迹显示保持同步，包括时间上的同步和透明度上的同步。
进一步地，显示设置指令中还可以包括所述显示界面上笔迹的目标线条样式。在通过第二系统向第一系统发送显示设置指令之后，还可以根据所述显示设置指令将所述透明书写层上的笔迹的线条样式设置为所述目标线条样式。其中，线条样式可包括线条粗细、线条端点和/或线条线型等。通过这种方式，可以进一步使第一系统和第二系统的笔迹显示保持线条样式同步。
更进一步地，显示设置指令中还可以包括所述显示界面上笔迹的目标显示颜色。在通过第二系统向第一系统发送显示设置指令之后，还可以根据所述显示设置指令将所述透明书写层上笔迹的显示颜色设置为所述目标显示颜色。例如，第二系统的显示界面的目标显示颜色为黑色，可相应地将第一系统透明书 写层上笔迹的显示颜色设置为黑色。通过这种方式，可以进一步使第一系统和第二系统的笔迹显示保持笔迹颜色同步。
可根据上述透明度/颜色/样式同步地在第一系统和第二系统上进行书写。在一个进一步的实施例中，还可以对第一笔迹进行渲染，并将渲染后的第一笔迹显示在透明书写层上。若第一系统获取的笔迹属性信息中包括笔迹线条的颜色信息，可根据该颜色信息对第一笔迹进行渲染。
第三设置模块40，用于在书写结束后将所述透明书写层上笔迹的当前显示透明度切换为所述第一透明度。
在书写结束后可以将透明书写层上笔迹的当前显示透明度切换为第一透明度，以避免后续无意中触摸到书写界面时的误显示。进一步地，在书写结束之后，若所述书写界面上的笔迹书写操作完成，可以擦除第一笔迹。
可通过检测触摸事件结束指令来判断触摸事件是否结束。当检测到所述触摸事件结束指令时，则可判定触摸事件结束，否则，判定触摸事件未结束。以安卓系统为例，可检测ACTION_UP事件，若检测到，则可判定触摸事件结束，否则，判定触摸事件未结束。
上述基于双系统的笔迹书写设置方法，第一系统和第二系统同时执行笔迹书写操作，通过第一系统和第二系统之间的指令交互，只有在书写开始之后，才将第一系统透明书写层上笔迹的当前显示透明度设置为第二系统书写界面上的目标显示透明度，在书写结束之后和书写开始之前，都将第一系统透明书写层上笔迹的当前显示透明度设置为第一透明度，从而避免了在进行非书写操作时容易导致出现多余的第一系统的笔迹，书写效果好。
本发明的基于双系统的笔迹书写设置系统与本发明的基于双系统的笔迹书写设置方法一一对应，在上述基于双系统的笔迹书写设置方法的实施例阐述的技术特征及其有益效果均适用于基于双系统的笔迹书写设置系统的实施例中，特此声明。
进一步地，本发明还提供一种计算机可读存储介质，其上存储有计算机程序，该程序被处理器执行时实现上述任意实施例中的基于双系统的笔迹书写设 置方法。
上述计算机可读存储介质所执行的方法的实施例与上述基于双系统的笔迹书写设置方法的其他实施例相同，此处不再赘述。
进一步地，本发明还提供一种计算机设备，包括存储器、处理器及存储在存储器上并可在处理器上运行的计算机程序，所述处理器执行所述程序时实现上述任意实施例中的基于双系统的笔迹书写设置方法。
上述计算机设备的处理器所执行的方法的实施例与上述基于双系统的笔迹书写设置方法的其他实施例相同，此处不再赘述。
在流程图中表示或在此以其他方式描述的逻辑和/或步骤，例如，可以被认为是用于实现逻辑功能的可执行指令的定序列表，可以具体实现在任何计算机可读介质中，以供指令执行系统、装置或设备(如基于计算机的系统、包括处理器的系统或其他可以从指令执行系统、装置或设备取指令并执行指令的系统)使用，或结合这些指令执行系统、装置或设备而使用。就本说明书而言，“计算机可读介质”可以是任何可以包含、存储、通信、传播或传输程序以供指令执行系统、装置或设备或结合这些指令执行系统、装置或设备而使用的装置。
计算机可读介质的更具体的示例(非穷尽性列表)包括以下：具有一个或多个布线的电连接部(电子装置)，便携式计算机盘盒(磁装置)，随机存取存储器(RAM)，只读存储器(ROM)，可擦除可编辑只读存储器(EPROM或闪速存储器)，光纤装置，以及便携式光盘只读存储器(CDROM)。另外，计算机可读介质甚至可以是可在其上打印所述程序的纸或其他合适的介质，因为可以例如通过对纸或其他介质进行光学扫描，接着进行编辑、解译或必要时以其他合适方式进行处理来以电子方式获得所述程序，然后将其存储在计算机存储器中。
应当理解，本发明的各部分可以用硬件、软件、固件或它们的组合来实现。在上述实施方式中，多个步骤或方法可以用存储在存储器中且由合适的指令执行系统执行的软件或固件来实现。例如，如果用硬件来实现，和在另一实施方式中一样，可用本领域公知的下列技术中的任一项或他们的组合来实现：具有 用于对数据信号实现逻辑功能的逻辑门电路的离散逻辑电路，具有合适的组合逻辑门电路的专用集成电路，可编程门阵列(PGA)，现场可编程门阵列(FPGA)等。
在本说明书的描述中，参考术语“一个实施例”、“一些实施例”、“示例”、“具体示例”、或“一些示例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本发明的至少一个实施例或示例中。在本说明书中，对上述术语的示意性表述不一定指的是相同的实施例或示例。而且，描述的具体特征、结构、材料或者特点可以在任何的一个或多个实施例或示例中以合适的方式结合。
以上所述实施例的各技术特征可以进行任意的组合，为使描述简洁，未对上述实施例中的各个技术特征所有可能的组合都进行描述，然而，只要这些技术特征的组合不存在矛盾，都应当认为是本说明书记载的范围。
以上所述实施例仅表达了本发明的几种实施方式，其描述较为具体和详细，但并不能因此而理解为对发明专利范围的限制。应当指出的是，对于本领域的普通技术人员来说，在不脱离本发明构思的前提下，还可以做出若干变形和改进，这些都属于本发明的保护范围。因此，本发明专利的保护范围应以所附权利要求为准。

Claims (10)

  1. 一种基于双系统的笔迹书写设置方法，其特征在于，包括以下步骤：
    在第一系统启动透明书写层启动之后，将所述透明书写层上笔迹的当前显示透明度设置为第一透明度；其中，在第二系统的书写软件启动时，通过第二系统向第一系统发送启动指令，根据所述启动指令在第一系统启动透明书写层，所述第一透明度为不可见的透明度；
    在书写开始后，通过第二系统向第一系统发送显示设置指令；其中，所述显示设置指令中包括所述书写软件的书写界面上笔迹的目标显示透明度；
    根据所述显示设置指令将所述透明书写层上笔迹的当前显示透明度设置为所述目标显示透明度；
    在书写结束后将所述透明书写层上笔迹的当前显示透明度切换为所述第一透明度。
  2. 根据权利要求1所述的基于双系统的笔迹书写设置方法，其特征在于，在第一系统启动透明书写层启动之后，将所述透明书写层上笔迹的当前显示透明度设置为第一透明度的步骤包括：
    在第一系统启动透明书写层启动之后，检测非书写操作；
    若检测到所述非书写操作，在执行所述非书写操作之前，将所述透明书写层的当前显示透明度设置为所述第一透明度。
  3. 根据权利要求2所述的基于双系统的笔迹书写设置方法，其特征在于，所述非书写操作包括与菜单、工具栏和/或调色盘的交互操作。
  4. 根据权利要求1所述的基于双系统的笔迹书写设置方法，其特征在于，在根据所述显示设置指令将所述透明书写层上笔迹的当前显示透明度设置为所述目标显示透明度之后，还包括以下步骤：
    根据所述目标显示透明度在所述透明书写层上进行笔迹书写，得到第一笔迹，并根据所述目标显示透明度在所述书写软件的书写界面上进行笔迹书写，得到第二笔迹；
    将所述第一笔迹显示在所述透明书写层上，并将所述第二笔迹显示在所述 书写界面上。
  5. 根据权利要求4所述的基于双系统的笔迹书写设置方法，其特征在于，还包括以下步骤：
    在书写结束之后，若所述书写界面上的笔迹书写操作完成，擦除所述第一笔迹。
  6. 根据权利要求1至5任意一项所述的基于双系统的笔迹书写设置方法，其特征在于，所述显示设置指令中还包括所述显示界面上笔迹的目标线条样式；
    在通过第二系统向第一系统发送显示设置指令之后，还包括以下步骤：
    根据所述显示设置指令将所述透明书写层上的笔迹的线条样式设置为所述目标线条样式。
  7. 根据权利要求1至5任意一项所述的基于双系统的笔迹书写设置方法，其特征在于，所述显示设置指令中还包括所述显示界面上笔迹的目标显示颜色；
    在通过第二系统向第一系统发送显示设置指令之后，还包括以下步骤：
    根据所述显示设置指令将所述透明书写层上笔迹的显示颜色设置为所述目标显示颜色。
  8. 一种基于双系统的笔迹书写设置系统，其特征在于，包括：
    第一设置模块，用于在第一系统启动透明书写层启动之后，将所述透明书写层上笔迹的当前显示透明度设置为第一透明度；其中，在第二系统的书写软件启动时，通过第二系统向第一系统发送启动指令，根据所述启动指令在第一系统启动透明书写层，所述第一透明度为不可见的透明度；
    发送模块，用于在书写开始后，通过第二系统向第一系统发送显示设置指令；其中，所述显示设置指令中包括所述书写软件的书写界面上笔迹的目标显示透明度；
    第二设置模块，用于根据所述显示设置指令将所述透明书写层上笔迹的当前显示透明度设置为所述目标显示透明度；
    第三设置模块，用于在书写结束后将所述透明书写层上笔迹的当前显示透明度切换为所述第一透明度。
  9. 一种计算机可读存储介质，其上存储有计算机程序，其特征在于，该程序被处理器执行时实现权利要求1至7任意一项所述的基于双系统的笔迹书写设置方法。
  10. 一种计算机设备，包括存储器、处理器及存储在存储器上并可在处理器上运行的计算机程序，其特征在于，所述处理器执行所述程序时实现权利要求1至7任意一项所述的基于双系统的笔迹书写设置方法。
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