CN107422974A - Handwriting writing display method and system based on dual systems, storage medium and equipment - Google Patents
Handwriting writing display method and system based on dual systems, storage medium and equipment Download PDFInfo
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- 230000009977 dual effect Effects 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims abstract description 37
- 239000000203 mixture Substances 0.000 claims description 29
- 238000004590 computer program Methods 0.000 claims description 5
- 238000009877 rendering Methods 0.000 claims description 3
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- 230000005540 biological transmission Effects 0.000 claims 2
- 230000003139 buffering effect Effects 0.000 claims 1
- 238000004364 calculation method Methods 0.000 claims 1
- 230000004927 fusion Effects 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 5
- 230000006870 function Effects 0.000 description 4
- 238000006748 scratching Methods 0.000 description 4
- 230000002393 scratching effect Effects 0.000 description 4
- 238000013517 stratification Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 description 2
- 230000000977 initiatory effect Effects 0.000 description 2
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- 239000000463 material Substances 0.000 description 2
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- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 210000004276 hyalin Anatomy 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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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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Abstract
The invention relates to a handwriting writing display method and system, a storage medium and equipment based on a dual system, wherein the method comprises the following steps: after the touch event is detected, executing handwriting drawing operation on a transparent writing layer of the first system and a writing interface of writing software of the second system respectively; reading a current display image of the first system from a display cache area, drawing the current display image on a pre-established original image layer, performing color fusion and superposition on the handwriting on the transparent writing layer and the current display image on the original image layer, and updating the content after the color fusion and superposition into a display buffer area of the first system to be used as a display picture of the first system; and displaying the display picture on a first system, and synchronously displaying the handwriting on the writing interface on a second system.
Description
Technical field
The present invention relates to touch screen technology field, more particularly to a kind of handwriting display methods based on dual system and
System, storage medium and equipment.
Background technology
Dual system display device refers to the electronic equipment for including two sets of complete operating system.For example, dual system shows
Other Android systems can be added by main Android system by showing the operating system of equipment, or add Windows systems by main Android system
Form, main Android system is typically referred to as the first system, another system is referred to as second system.
At present, in dual system display device, when the signal to second system is shown, the display letter of second system
Number need by HDMI (High Definition Multimedia Interface, HDMI) line physics
It is connected to the first system and does display output, the first system carries out HDMI decodings after receiving the signal of second system and shown, the
The picture of the frame of two system one needs to encode by HMDI, transmits, can just be presented to user after HDMI decodings.
In order to reduce propagation delay time, it is to create transparent writing layer in the first system to have a kind of mode, and in the first system and
Second system is write simultaneously.However, in this scheme, the person's handwriting of the first system is easily by the transparent writing layer of the first system
The window and button of non-writing application scratch, as shown in Figure 1.
In summary, traditional ways of writing writing effect based on dual system is poor.
The content of the invention
Based on this, it is necessary to for traditional ways of writing writing effect based on dual system it is poor the problem of, there is provided one
Handwriting display methods and system of the kind based on dual system, storage medium and equipment.
A kind of handwriting display methods based on dual system, comprises the following steps：
After touch event is detected, respectively the first system transparent writing layer and second system writing software
Writing interface on perform person's handwriting draw operation；
The current display image of the first system is read from display caching region, and the current display image is drawn
On the original image layer pre-established, by the current display on the person's handwriting and the original image layer on the transparent writing layer
Image carry out color blend superposition, the content update after color blend is superimposed into the display buffer of the first system, as
The display picture of the first system；
The display picture is shown in the first system, and the person's handwriting on the writing interface entered in second system
Row simultaneous display.
A kind of handwriting display system based on dual system, including：
First drafting module, for after touch event is detected, respectively the first system transparent writing layer and
Person's handwriting is performed on the writing interface of the writing software of second system and draws operation；
Second drafting module, for reading the current display image of the first system from display caching region, and by institute
State current display image to be plotted on the original image layer pre-established, by the person's handwriting on the transparent writing layer and described original
Current display image in image layer carries out color blend superposition, the content update after color blend is superimposed to the first system
In display buffer, the display picture as the first system；
Display module, for being shown in the first system to the display picture, and in second system to the writing
Person's handwriting on interface synchronizes display.
A kind of computer-readable recording medium, is stored thereon with computer program, and the program is realized when being executed by processor
Handwriting display methods based on dual system.
A kind of computer equipment, including memory, processor and storage can be run on a memory and on a processor
Computer program, the handwriting display methods based on dual system is realized during the computing device described program.
The above-mentioned handwriting display methods and system based on dual system, storage medium and equipment, by the first system
Transparent writing layer and original image layer are established, person's handwriting is plotted on transparent writing layer, while will be current on transparent writing layer
Display image is plotted on original image layer, then by the current display image on the person's handwriting and original image layer on transparent writing layer
Display picture after progress color blend superposition as the first system, finally synchronizes display, so as to avoid in two systems
Person's handwriting scratches window and button in display image, improves display effect.
Brief description of the drawings
Fig. 1 is that the person's handwriting of one embodiment scratches the window of non-writing application and the schematic diagram of button；
Fig. 2 is the handwriting display methods flow chart based on dual system of one embodiment；
Fig. 3 is the schematic diagram of the first system display content of one embodiment；
Fig. 4 is the schematic diagram of the second system display content of one embodiment；
Fig. 5 is in the final display after the first system display content and second system the display content superposition of one embodiment
The schematic diagram of appearance；
Fig. 6 is the schematic diagram of the person's handwriting drawing result of the second system of one embodiment；
Fig. 7 is the schematic diagram of the person's handwriting drawing result of the hyaline layer writing layer of one embodiment；
Fig. 8 is the first layer of one embodiment and the second layer carries out the display content that color blend is superimposed composition the first system
Schematic diagram；
Fig. 9 is the first system and the schematic diagram of the display content after second system Overlapping display of one embodiment；
Figure 10 is the structural representation of the handwriting display system based on dual system of one embodiment of one embodiment
Figure.
Embodiment
Technical scheme is illustrated below in conjunction with the accompanying drawings.
The person's handwriting drawing principle based on dual system is first explained herein.In order to reduce propagation delay time, there is a kind of mode to be
Transparent writing layer is created in the first system, and is write simultaneously in the first system and second system.In this scheme, in the second system
When the writing software of system starts, enabled instruction is sent to the first system by second system, according to enabled instruction in the first system
Start transparent writing layer；Person's handwriting is performed on transparent writing layer according to the touch event of detection and draws operation, obtains the first person's handwriting,
And the first person's handwriting is included on transparent writing layer；Person's handwriting drafting is performed on the writing interface of writing software according to touch event
Operation, the second person's handwriting is obtained, and the second person's handwriting is included on the writing layer of second system；Detecting the touch event knot
After beam, completed if the person's handwriting on writing software draws operation, wipe first person's handwriting.
In one embodiment, the first system can be the operating systems such as Android system, IOS systems or Windows systems,
Second system can also be one of said system.In a typical embodiment, the first system and second system can be peace
Tall and erect system.The writing software of second system is the writing software being arranged in second system.When the writing by second system
When software carries out person's handwriting drafting, person's handwriting show process need to encode by HMDI, transmit and HDMI decodings after can just show
Come.Show to accelerate person's handwriting, when the writing software of second system starts, can be sent by second system to the first system
Enabled instruction, start layer of transparent writing layer in the first system.Because the writing software of second system starts first, transparent writing
Layer starts rear, and therefore, transparent writing layer will be covered on the writing software of second system.Also, because the first system opens
Dynamic is transparent writing layer, that is, its background is transparent, then is that can not to perceive the first system transparent for user
The presence of writing layer, also perceive less than this start-up course.
Such scheme has a problem that that is, the person's handwriting of the first system is easily by the non-book on the transparent writing layer of the first system
The window and button for writing application scratch, as shown in figure 1, the thin white threads in figure are person's handwriting, it can be seen that the in digital " 00 "
There is incomplete place one " 0 " and " 05 " with the part that person's handwriting lines intersect.In order to solve the above problems, the present invention provides
A kind of handwriting display methods based on dual system, as shown in Figure 2, it may include following steps：
S1, after touch event is detected, respectively the first system transparent writing layer and second system writing
Person's handwriting is performed on the writing interface of software and draws operation；
In one embodiment, one or more icons are there may be on the transparent writing layer of the first system, for example, meter
When device icon, show levels picture is as shown in Figure 3.In another embodiment, the writing interface of the writing software of second system
As shown in figure 4, including a writing region, write and be also provided with several icons on interface, for performing the non-of correlation
Writing operation, the function that icon is realized include but is not limited to and the interactive operation of menu, toolbar and/or color saucer, revocation pen
Mark draws operation, cancels one or more of destruction operation, shot operation.The first system corresponding with above-mentioned two embodiment
Final display content after display content and the superposition of second system display content is as shown in Figure 5.
In this step, can be with the touch event enabled instruction that detecting system is sent, if detecting, judgement touches
Event.By taking Android system as an example, when the ACTION_DOWN instructions that the system of detecting is sent, generation touch event is can determine that, so
Perform person's handwriting in the first system and second system respectively afterwards and draw operation.
S2, reads the current display image of the first system from display caching region, and by the current display image
It is plotted on the original image layer pre-established, will be current on the person's handwriting and the original image layer on the transparent writing layer
Display image carry out color blend superposition, the content update after color blend is superimposed into the display buffer of the first system,
Display picture as the first system；
, can be first in order to avoid scratching the button of other application and window when written handwriting is drawn in the first system
The method that system uses stratification drawing：Wherein, first layer is original image layer, and the button and window for drawing other application exist
Current display image in display caching area, may include in the current display image icon on the transparent writing layer of the first system and
The image of window.The second layer is transparent writing layer, for drawing person's handwriting.In one embodiment, when the writing of second system is soft
When part starts, software can be sent to the first system by second system and start order；The software can be responded start order and start the
The writing software of one system；By the writing software of the first system in the newly-built original image layer of the first system and transparent writing layer.
When drawing every time, the current display image in display caching area is read first as first layer, by what is currently drawn
Person's handwriting is as the second layer；In being obtained after the current display image of first layer is superimposed with the person's handwriting progress color blend of the second layer
Hold renewal into the display buffer of the first system, collectively as the display content of the first system.
S3, the person's handwriting on the transparent writing layer and the current display image are included on the transparent writing layer,
And the person's handwriting on the writing interface is included on the writing interface.
In one embodiment, the size in display caching area is system display resolution size, can display device it is aobvious
Show device refresh rate, and according to display refresh rate, display picture is directly read from display caching area, and in the first system to this
Display picture is shown.
Further, in one embodiment, before display, person's handwriting face can be sent to the first system by second system
Color sets instruction, and the person's handwriting color sets the current display color that second system person's handwriting can be carried in instruction, and the first system can root
The person's handwriting color instructed on transparent writing layer is set according to the person's handwriting color.Further, the first system can also work as according to described
Preceding display color renders to the person's handwriting on the transparent writing layer；By on the person's handwriting after rendering and the original image layer
As the display content on the transparent writing layer after current display image progress color blend superposition.The mistake of person's handwriting color is set
Journey can also perform when second system writing software is started, i.e. when detecting that second system writing software starts, lead to
Cross second system and send the setting instruction of person's handwriting color to the first system.In this way, the first system and the second system can be made
Blanket insurance holds person's handwriting color synchronization.
Further, in another embodiment, before display, also pen can be sent to the first system by second system
Trace bar sets instruction, and the person's handwriting lines set the current display line style of type that second system person's handwriting can be carried in instruction, including
But it is not limited to line weight, lines line style (solid line or dotted line), (no end points, lines initiating terminal have end points or lines to lines end points
One or more of there are end points, and/or endpoint type etc. in end).Further, the first system can be according to described current aobvious
Show that the line style of type sets the line style of type of the person's handwriting on the transparent writing layer；By the person's handwriting after setting and the original image layer
On current display image carry out color blend superposition after as the display content on the transparent writing layer.Person's handwriting lines are set
Process can also be performed when second system writing software is started, i.e. detecting second system writing software start
When, person's handwriting lines are sent to the first system by second system instruction is set.In this way, the first system and can be made
Two system keeps the person's handwriting line style of type synchronous.
In order to make it easy to understand, with reference to figure 6 to Fig. 9.Fig. 6 is the person's handwriting schematic diagram on second system writing interface.Second system
System can send after writing software enabled instruction is detected and start order, start the transparent writing of the first system to the first system
Layer.After second system starts drafting, the first system synchronizes drafting on transparent writing layer, as shown in Figure 7.Meanwhile the
One system can read the current display image on the transparent writing layer from display caching region, and be plotted in original image layer
On, first layer is superimposed the display content of composition the first system with second layer progress color blend, as shown in Figure 8.Final first system
The display content (Fig. 8) of system and the result after display content (Fig. 6) Overlapping display of second system are as shown in Figure 9.As can be seen that
By using the mode in the first system stratification drawing, the person's handwriting of the first system is in the display content lower floor of icon and window,
It is not in the situation for scratching icon and window.
In a further embodiment, can also be when second system terminates person's handwriting and drawn, by second system to first
System sends person's handwriting and draws termination order；Respond the person's handwriting and draw the person's handwriting drafting operation for terminating order stopping the first system,
And remove the person's handwriting on the transparent writing layer.In actual applications, can be judged by detecting touch event END instruction
Whether touch event terminates.When detecting the touch event END instruction, then it can determine that touch event terminates, then to
One system sends person's handwriting and draws termination order；Otherwise, it is determined that touch event does not terminate.By taking Android system as an example, it can detect
ACTION_UP events, if detecting, it can determine that touch event terminates, otherwise, it is determined that touch event does not terminate.
In a further embodiment, second system stop exit white board writing software when, can by second system to
The first system sends and exited command；Exited command described in response and close the original image layer of the first system.
The above-mentioned handwriting display methods based on dual system, by establishing transparent writing layer and original graph in the first system
As layer, person's handwriting is plotted on transparent writing layer, while the current display image on transparent writing layer is plotted in original image
On layer, finally the person's handwriting on transparent writing layer and the current display image are included on the transparent writing layer, and by book
Write the person's handwriting on interface to be shown on writing interface, scratch window and button in display image so as to avoid person's handwriting, improve
Display effect.
As shown in Figure 10, the present invention also provides a kind of handwriting display system based on dual system, it may include：
First drafting module 10, for after touch event is detected, respectively the first system transparent writing layer with
And perform person's handwriting on the writing interface of the writing software of second system and draw operation；
In one embodiment, region of the transparent writing layer of the first system in addition to side push be all transparent,
One or more icons are likely present on the transparent writing layer of the first system, for example, timer icon, show levels picture
As shown in Figure 3.In another embodiment, the writing interface of the writing software of second system is as shown in figure 4, including a writing
Region, write and be also provided with several icons on interface, for performing the non-writing operation of correlation, the function that icon is realized
Interactive operation including but not limited to menu, toolbar and/or color saucer, revocation person's handwriting draw operation, cancel destruction operation,
One or more of shot operation.In the first system display content corresponding with above-mentioned two embodiment and second system are shown
The final display content held after superposition is as shown in Figure 5.
, can be with the touch event enabled instruction that detecting system is sent in this module, if detecting, judgement touches
Event.By taking Android system as an example, when the ACTION_DOWN instructions that the system of detecting is sent, generation touch event is can determine that, so
Perform person's handwriting in the first system and second system respectively afterwards and draw operation.
Second drafting module 20, for reading the current display image of the first system from display caching region, and will
The current display image is plotted on the original image layer pre-established, by the person's handwriting on the transparent writing layer and the original
Current display image in beginning image layer carries out color blend superposition, the content update after color blend is superimposed to the first system
Display buffer in, the display picture as the first system；
, can be first in order to avoid scratching the button of other application and window when written handwriting is drawn in the first system
The method that system uses stratification drawing：Wherein, first layer is original image layer, and the button and window for drawing other application exist
Current display image in display caching area, may include in the current display image icon on the transparent writing layer of the first system and
The image of window.The second layer is transparent writing layer, for drawing person's handwriting.In one embodiment, when the writing of second system is soft
When part starts, software can be sent to the first system by second system and start order；The software can be responded start order and start the
The writing software of one system；By the writing software of the first system in the newly-built original image layer of the first system and transparent writing layer.
When drawing every time, the current display image in display caching area is read first as first layer, by what is currently drawn
Person's handwriting is as the second layer；In being obtained after the current display image of first layer is superimposed with the person's handwriting progress color blend of the second layer
Hold renewal into the display buffer of the first system, collectively as the display content of the first system.
Display module 30, for the person's handwriting on the transparent writing layer and the current display image to be included described
On bright writing layer, and the person's handwriting on the writing interface is included on the writing interface.
In one embodiment, the size in display caching area is system display resolution size, can display device it is aobvious
Show device refresh rate, and according to display refresh rate, display picture is directly read from display caching area, and in the first system to this
Display picture is shown.
Further, in one embodiment, before display, person's handwriting face can be sent to the first system by second system
Color sets instruction, and the person's handwriting color sets the current display color that second system person's handwriting can be carried in instruction, and the first system can root
The person's handwriting color instructed on transparent writing layer is set according to the person's handwriting color.Further, the first system can also work as according to described
Preceding display color renders to the person's handwriting on the transparent writing layer；By on the person's handwriting after rendering and the original image layer
As the display content on the transparent writing layer after current display image progress color blend superposition.The mistake of person's handwriting color is set
Journey can also perform when second system writing software is started, i.e. when detecting that second system writing software starts, lead to
Cross second system and send the setting instruction of person's handwriting color to the first system.In this way, the first system and the second system can be made
Blanket insurance holds person's handwriting color synchronization.
Further, in another embodiment, before display, also pen can be sent to the first system by second system
Trace bar sets instruction, and the person's handwriting lines set the current display line style of type that second system person's handwriting can be carried in instruction, including
But it is not limited to line weight, lines line style (solid line or dotted line), (no end points, lines initiating terminal have end points or lines to lines end points
One or more of there are end points, and/or endpoint type etc. in end).Further, the first system can be according to described current aobvious
Show that the line style of type sets the line style of type of the person's handwriting on the transparent writing layer；By the person's handwriting after setting and the original image layer
On current display image carry out color blend superposition after as the display content on the transparent writing layer.Person's handwriting lines are set
Process can also be performed when second system writing software is started, i.e. detecting second system writing software start
When, person's handwriting lines are sent to the first system by second system instruction is set.In this way, the first system and can be made
Two system keeps the person's handwriting line style of type synchronous.
In order to make it easy to understand, with reference to figure 6 to Fig. 9.Fig. 6 is the person's handwriting schematic diagram on second system writing interface.Second system
System can send after writing software enabled instruction is detected and start order, start the transparent writing of the first system to the first system
Layer.After second system starts drafting, the first system synchronizes drafting on transparent writing layer, as shown in Figure 7.Meanwhile the
One system can read the current display image on the transparent writing layer from display caching region, and be plotted in original image layer
On, first layer is superimposed the display content of composition the first system with second layer progress color blend, as shown in Figure 8.Final first system
The display content (Fig. 8) of system and the result after display content (Fig. 6) Overlapping display of second system are as shown in Figure 9.As can be seen that
By using the mode in the first system stratification drawing, the person's handwriting of the first system is in the display content lower floor of icon and window,
It is not in the situation for scratching icon and window.
In a further embodiment, can also be when second system terminates person's handwriting and drawn, by second system to first
System sends person's handwriting and draws termination order；Respond the person's handwriting and draw the person's handwriting drafting operation for terminating order stopping the first system,
And remove the person's handwriting on the transparent writing layer.In actual applications, can be judged by detecting touch event END instruction
Whether touch event terminates.When detecting the touch event END instruction, then it can determine that touch event terminates, then to
One system sends person's handwriting and draws termination order；Otherwise, it is determined that touch event does not terminate.By taking Android system as an example, it can detect
ACTION_UP events, if detecting, it can determine that touch event terminates, otherwise, it is determined that touch event does not terminate.
In a further embodiment, second system stop exit white board writing software when, can by second system to
The first system sends and exited command；Exited command described in response and close the original image layer of the first system.
The above-mentioned handwriting display system based on dual system, by establishing transparent writing layer and original graph in the first system
As layer, person's handwriting is plotted on transparent writing layer, while the current display image on transparent writing layer is plotted in original image
On layer, finally the person's handwriting on transparent writing layer and the current display image are included on the transparent writing layer, and by book
Write the person's handwriting on interface to be shown on writing interface, scratch window and button in display image so as to avoid person's handwriting, improve
Display effect.
The handwriting based on dual system of the handwriting display system and the present invention based on dual system of the present invention shows
Show method correspond, the above-mentioned handwriting display methods based on dual system embodiment illustrate technical characteristic and its have
Beneficial effect suitable for the embodiment of the handwriting display system based on dual system, hereby give notice that.
Further, the present invention also provides a kind of computer-readable recording medium, is stored thereon with computer program, the journey
The handwriting display methods based on dual system in above-mentioned any embodiment is realized when sequence is executed by processor.
The embodiment of method performed by above computer readable storage medium storing program for executing and the above-mentioned handwriting based on dual system
The other embodiment of display methods is identical, and here is omitted.
Further, the present invention also provides a kind of computer equipment, including memory, processor and storage are on a memory
And the computer program that can be run on a processor, realize in above-mentioned any embodiment during the computing device described program
Handwriting display methods based on dual system.
The embodiment of method performed by the processor of above computer equipment and the above-mentioned handwriting based on dual system
The other embodiment of display methods is identical, and here is omitted.
Expression or logic and/or step described otherwise above herein in flow charts, for example, being considered use
In the order list for the executable instruction for realizing logic function, may be embodied in any computer-readable medium, for
Instruction execution system, device or equipment (such as computer based system including the system of processor or other can be held from instruction
The system of row system, device or equipment instruction fetch and execute instruction) use, or combine these instruction execution systems, device or set
It is standby and use.For the purpose of this specification, " computer-readable medium " can any can be included, store, communicate, propagate or pass
Defeated program is for instruction execution system, device or equipment or the dress used with reference to these instruction execution systems, device or equipment
Put.
The more specifically example (non-exhaustive list) of computer-readable medium includes following：Connected up with one or more
Electrical connection section (electronic installation), portable computer diskette box (magnetic device), random access memory (RAM), read-only storage
(ROM), erasable edit read-only storage (EPROM or flash memory), fiber device, and portable optic disk is read-only deposits
Reservoir (CDROM).In addition, computer-readable medium, which can even is that, to print the paper of described program thereon or other are suitable
Medium, because can then enter edlin, interpretation or if necessary with it for example by carrying out optical scanner to paper or other media
His suitable method is handled electronically to obtain described program, is then stored in computer storage.
It should be appreciated that each several part of the present invention can be realized with hardware, software, firmware or combinations thereof.Above-mentioned
In embodiment, software that multiple steps or method can be performed in memory and by suitable instruction execution system with storage
Or firmware is realized.If, and in another embodiment, can be with well known in the art for example, realized with hardware
Any one of row technology or their combination are realized：With the logic gates for realizing logic function to data-signal
Discrete logic, have suitable combinational logic gate circuit application specific integrated circuit, programmable gate array (PGA), scene
Programmable gate array (FPGA) etc..
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Necessarily refer to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be any
One or more embodiments or example in combine in an appropriate manner.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope that this specification is recorded all is considered to be.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more specific and detailed, but simultaneously
Can not therefore it be construed as limiting the scope of the patent.It should be pointed out that come for one of ordinary skill in the art
Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of handwriting display methods based on dual system, it is characterised in that comprise the following steps：
After touch event is detected, respectively the first system transparent writing layer and second system writing software book
Write and person's handwriting drafting operation is performed on interface；
The current display image of the first system is read from display caching region, and the current display image is plotted in pre-
On the original image layer first established, by the current display image on the person's handwriting and the original image layer on the transparent writing layer
Color blend superposition is carried out, the content update after color blend is superimposed is into the display buffer of the first system, as first
The display picture of system；
The display picture is shown in the first system, and the person's handwriting on the writing interface carried out together in second system
Step display.
2. the handwriting display methods according to claim 1 based on dual system, it is characterised in that in the first system pair
The step of display picture is shown includes：
Obtain the display refresh rate of display device；
The display picture is read from display caching area according to the display refresh rate；
The display picture is shown in the first system.
3. the handwriting display methods according to claim 1 based on dual system, it is characterised in that also including following step
Suddenly：
When second system terminates person's handwriting drafting, person's handwriting is sent to the first system by second system and draws termination order；
Respond the person's handwriting and draw the person's handwriting drafting operation for terminating order stopping the first system, and remove on the transparent writing layer
Person's handwriting.
4. the handwriting display methods according to claim 1 based on dual system, it is characterised in that also including following step
Suddenly：
When second system stops exiting white board writing software, sent and exited command to the first system by second system；
Exited command described in response and close the original image layer of the first system.
5. the handwriting display methods according to claim 1 based on dual system, it is characterised in that also including following step
Suddenly：
When the writing software of second system starts, software is sent to the first system by second system and starts order；
Respond the software and start the writing software that order starts the first system；
By the writing software of the first system in the newly-built original image layer of the first system and transparent writing layer.
6. the handwriting display methods based on dual system according to claim 1 to 5 any one, it is characterised in that
Current display image on person's handwriting and the original image layer on the transparent writing layer is carried out to the step of color blend superposition
Suddenly include：
Instruction is set to the first system transmission person's handwriting color by second system, the person's handwriting color is set in instruction described in carrying
Write the current display color of person's handwriting on interface；
The person's handwriting on the transparent writing layer is rendered according to the current display color；
The person's handwriting after rendering is carried out into color blend with the current display image on the original image layer to be superimposed.
7. the handwriting display methods according to claim 6 based on dual system, it is characterised in that by the transparent book
Writing the step of current display image on the person's handwriting on layer and the original image layer carries out color blend superposition also includes：
Instruction is set to the first system transmission person's handwriting lines by second system, the person's handwriting lines are set in instruction described in carrying
Write the current display line style of type of person's handwriting on interface；
The line style of type of person's handwriting on the transparent writing layer is set according to the current display line style of type；
The person's handwriting after setting is carried out into color blend with the current display image on the original image layer to be superimposed.
A kind of 8. handwriting display system based on dual system, it is characterised in that including：
First drafting module, for after touch event is detected, respectively in the transparent writing layer of the first system and second
Person's handwriting is performed on the writing interface of the writing software of system and draws operation；
Second drafting module, for reading the current display image of the first system from display caching region, and described it will work as
Preceding display image is plotted on the original image layer pre-established, by the person's handwriting on the transparent writing layer and the original image
Current display image on layer carries out color blend superposition, the display of the content update after color blend is superimposed to the first system
In buffering area, the display picture as the first system；
Display module, for being shown in the first system to the display picture, and in second system to the writing interface
On person's handwriting synchronize display.
9. a kind of computer-readable recording medium, is stored thereon with computer program, it is characterised in that the program is held by processor
The handwriting display methods based on dual system described in claim 1 to 7 any one is realized during row.
10. a kind of computer equipment, including memory, processor and storage are on a memory and the meter that can run on a processor
Calculation machine program, it is characterised in that the base described in claim 1 to 7 any one is realized during the computing device described program
In the handwriting display methods of dual system.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710601639.9A CN107422974B (en) | 2017-07-21 | 2017-07-21 | Handwriting writing display method and system based on dual systems, storage medium and equipment |
| PCT/CN2017/103425 WO2019015095A1 (en) | 2017-07-21 | 2017-09-26 | Dual-system based handwriting writing and display method and system, and storage medium and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710601639.9A CN107422974B (en) | 2017-07-21 | 2017-07-21 | Handwriting writing display method and system based on dual systems, storage medium and equipment |
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| Publication Number | Publication Date |
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| CN107422974A true CN107422974A (en) | 2017-12-01 |
| CN107422974B CN107422974B (en) | 2020-01-07 |
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| CN201710601639.9A Active CN107422974B (en) | 2017-07-21 | 2017-07-21 | Handwriting writing display method and system based on dual systems, storage medium and equipment |
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| CN (1) | CN107422974B (en) |
| WO (1) | WO2019015095A1 (en) |
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| Publication number | Publication date |
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| CN107422974B (en) | 2020-01-07 |
| WO2019015095A1 (en) | 2019-01-24 |
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