CN106126084A - A kind of display packing for electricity paper ink screen - Google Patents
A kind of display packing for electricity paper ink screen Download PDFInfo
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- CN106126084A CN106126084A CN201510450954.7A CN201510450954A CN106126084A CN 106126084 A CN106126084 A CN 106126084A CN 201510450954 A CN201510450954 A CN 201510450954A CN 106126084 A CN106126084 A CN 106126084A
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Abstract
The present invention provides a kind of display packing for electricity paper ink screen, the view of GLSurfaceView type is wherein used to show the page, described display packing comprises the following steps: 1) identify and trigger the operational order that the page changes, obtain the content of next page to display；2) control of active view is obtained；3) on the drawing board of active view, draw white, then active view is projected frequency curtain；4) content of next page to display is plotted to in the page-images data file corresponding to active view；5) by step 4) the page-images data file of gained fills the drawing board of active view；6) active view is rendered on frequency curtain.The writing that the present invention can make Eink screen show is clear, does not has ghost；Avoid Eink screen that scintillation occurs, thus promote Consumer's Experience；Improve the response speed of Eink screen.
Description
Technical field
The present invention relates to Display Technique field, specifically, the present invention relates to a kind of for electricity paper ink
The display packing of screen.
Background technology
Electricity paper ink (i.e. Eink, it is possible to be referred to as electric ink) is to merge chemical, physically and electrically son
And a kind of new material technology produced, at present, Eink technology be widely used in electricity book reader,
The field such as display board, Dual-band Handy Phone.Generally Eink screen is referred to as Electronic Paper, Electronic Paper in industry
Reflectance higher than conventional reflective lcd, closer to newspaper level, therefore it is relative to traditional
Lcd display screen has the effect of eye protection.Meanwhile, Electronic Paper has data keeping quality, only picture more
Just power consumption time new, after power-off, information still can be retained on a monitor, and therefore Electronic Paper also has merit
Consume low advantage.But, exactly because the data keeping quality feature of Electronic Paper, after a long time use,
Easily occurring ghost and the problem such as the handwriting is blurred in Electronic Paper, this can have a strong impact on user's experience.
In existing Electronic Paper equipment (such as electricity book reader), it will usually each or the most several
Automatically screen is initialized during secondary page furbishing, to solve ghost and the unsharp problem of writing,
But screen initialization can visually cause black scintillation, initialization operation can make continually
Screen flicker problem is serious, and the experience causing user is the best.This problem is at existing electricity paper book
It is especially apparent on reader.
Therefore, currently in the urgent need to a kind of display for Eink screen that can overcome drawbacks described above
Solution.
Summary of the invention
Therefore, the task of the present invention is the defect overcoming prior art, it is provided that a kind of for Eink screen
The display solution of curtain.
According to an aspect of the invention, it is provided a kind of display packing for electricity paper ink screen,
Wherein, the view of GLSurfaceView type is used to show the page, under described display packing includes
Row step:
1) identify the operational order that the triggering page changes, obtain next page to display
Content；
2) control of active view is obtained；
3) on the drawing board of active view, draw white, then trigger display chip and active view is thrown
It is mapped to frequency curtain；
4) content of described next page to display is plotted to active view corresponding to
In page-images data file；
5) by step 4) the page-images data file of gained fills the drawing board of active view；
6) trigger display chip to be rendered into by active view on frequency curtain.
Wherein, described step 1) in, discernible described operational order includes: triggers the page and occurs
The user operation instruction of change and internal manipulation instruction.
Wherein, described step 1) in, described user operation instruction includes: page-turning instruction, triggering page
The instruction of face editor, open the instruction of books from catalogue page, jump to another mesh from a catalogue page
Record the instruction of page and one or more from the instruction of book page Returning catalogue page.
Wherein, described step 1) also include: when identify described operational order be page turn over operation instruction
Time, the content of described next page to display includes: the content of text of next page.
Wherein, described step 1) also include: when identify described operational order be trigger page editing
Instruction time, identify currently selected by the coordinate of editing area.
Wherein, described step 1) in, the content of described next page to display includes: be positioned at
Selected is edited the label symbol at the white space below word.
Wherein, described step 4) also include: revise active view institute according to by the coordinate of editing area
Corresponding page-images data file, is drawn at the white space below word in selected editing
Label symbol.
Wherein, described step 4) in, described label symbol is underscore.
Wherein, described step 4) and step 5) between perform step:
4a) detection display chip is the most idle, if it is, perform step 5), if it does not, wait one
The section time, then re-execute step 4a).
Wherein, described step 4) complete to be immediately performed described step 5 afterwards).
Wherein, described step 4) in, it is multiple that described page-images data file includes dividing in advance
Subregion.
Wherein, described step 4) also include: only the part in described page-images data file is divided
District modifies, and described partial-partition is that the content of next page to display is described relative to receiving
The subregion that the current page of operational order changes.
Wherein, described step 4) in, the subregion of described page-images data file includes: text area,
Header district and footer district.
Wherein, described step 4) in, the subregion of described page-images data file also includes: margin
District.
Wherein, described step 2) also include: after the control obtaining active view, locking is current
The drawing board of view.
Wherein, described step 5) also include: after the drawing board of active view is filled, unlock current
The drawing board of view.
Wherein, described step 3) in, triggering display chip will be current by GL16+FULL pattern
View projects frequency curtain.
Wherein, described step 6) in, triggering display chip will be current by GC16+Partial pattern
View rendering is on screen.
Wherein, complete described step 2) after, perform described step 3 simultaneously) and described step 4).
Compared with prior art, the present invention has a following technique effect:
1, the writing that the present invention can make Eink screen show is clear, does not has ghost.
2, the present invention is it can be avoided that scintillation occurs in Eink screen, thus promotes Consumer's Experience.
3, the present invention can improve the response speed of Eink screen.
Accompanying drawing explanation
Hereinafter, describe embodiments of the invention in detail in conjunction with accompanying drawing, wherein:
Fig. 1 shows a kind of typical electricity book reader display mechanism when page turning in prior art
Flow chart；
Fig. 2 shows the electric book reader of the one embodiment of the invention display mechanism when page turning
Flow chart；
Fig. 3 shows the electric book reader display in page editing process of one embodiment of the invention
The flow chart of mechanism.
Detailed description of the invention
Electricity book reader of the prior art is furtherd investigate by inventor, finds its intrinsic showing
Show that mechanism is to cause the main cause of screen flicker phenomenon, propose the most targetedly a kind of for
The display packing of Eink screen, it can be widely used in equipment based on Eink screen.
In order to make it easy to understand, introduce the display machine of typical Eink screen in prior art first below
Make and analyze the reason of its screen flicker problem.Fig. 1 shows a kind of typical electricity paper in prior art
The flow chart of the book reader display mechanism when page turning, this display mechanism comprises the following steps:
Step 101: use View mode to open books.
Step 102: screen receives the instruction triggering page turning of user.
Step 103: operating system reads the content of text of lower one page.
Step 104: calling system function invalidate () starts View (the i.e. current page of current page
View) automatic picture draw.
Step 105: based on the lower one page content of text read, the draw (Canvas in calling system
Canvas) function, draws new picture on the drawing board of View.Draw (Canvas in system
Canvas) function type based on View can convert text to corresponding picture.It is to say,
After draw (Canvas canvas) function in calling system, the drawing board of View will be drawn new page
The picture corresponding to text.
Step 106: View is projected on screen by display chip by operating system, thus completes
The screen change that page turning is triggered.
But, draw (Canvas canvas) function in system has its intrinsic operating mechanism, this
Operating mechanism may trigger whole screen and initialize.Initialization can pixels all to screen be filled out equably
Fill electric ink, which results in visually generation black scintillation.This scintillation may
All can occur when each page turning, it is also possible to occur after every page turning for several times, it is also possible to system is examined
Occur after measuring a certain degree of ghost.But no matter which kind of situation, all can have a strong impact on Consumer's Experience.
Further, under some situation, such as when current page is catalogue page, the page includes multiple element, it
Tree body form storage, and whole screen initialize need tree body from leaf node
Travel through to root node, make each element initialize.In this case, at the beginning of due to needs
The multiple node of beginningization, it is possible that the time lengthening of blank screen can be caused, makes flicker problem become apparent from,
Response time is the most also made to extend.
Introduce proposed by the invention it can be avoided that screen flicker phenomenon below in conjunction with the accompanying drawings with embodiment
Display mechanism.
Fig. 2 shows the electric book reader of the one embodiment of the invention display mechanism when page turning
Flow chart, comprises the following steps:
Step 201: use GLSurfaceView non-blocking fashion to open books.GLSurfaceView
It is a kind of asynchronous view (View) type, uses GLSurfaceView non-blocking fashion to open figure
After book, on the drawing board of the View that book content is plotted in GLSurfaceView type, and books
Page display on screen is through projecting this asynchronous View realizing on screen.
Step 202: operating system (can also be application, such as, read application, hereafter to this no longer
Repeat) identify the operational order of user's input, it is the triggering page turning of user when identifying received
Instruction time, operating system by call requestRender () function request obtain current View control
System power, the picture starting lower one page of content is drawn.
RequestRender () the function execution false code of reconstruct in the present embodiment is as follows:
After calling requestRender () function, start simultaneously at execution step 203 and step 205.Need
Bright, owing to the present embodiment using GLSurfaceView non-blocking fashion open books, therefore
The type of current View is GLSurfaceView.
Step 203: ordered by Canvas canvas=SurfaceHolder.lockCancas (), locking
The drawing board of current View.Owing in the present embodiment, View is GLSurfaceView type, have non-
The feature that blocking asynchronous runs, the effect of this step is that the drawing board preventing current View is by unrelated application
Use.
Step 204: ordered by Canvas.drawColor (0xFFFFFF), at the picture of current View
Drawing white on plate, current View is projected on screen by display chip by operating system, this
Sample screen will be white, and the electric ink of page up is erased and do not stays ghost.Step 204 completes
After, jump to step 206.In this step, the GL16+FULL pattern of display chip is used real
Existing screen-refresh.GC16+FULL refers to: based on the whole display image of GC16 new mechanism,
By the screen-refresh pattern on image update all to be shown to screen.Wherein GC16 represents 16
Level gray scale clearing (district) waveform.
Step 205: read the content of text of lower one page, by the Word-Drawing shown at an image
In data file, in the present embodiment image data file be Bitmap, Bitmap be binary file,
It is made up of the gray value corresponding to each pixel.
In one embodiment, the false code that content of text is plotted in Bitmap is as follows:
Rect rect=new
Rect(area.mLeft,area.mTop,area.mRight,area.mTop+area.mBarHeightT)；
mTextPaint.setXfermode(new PorterDuffXfermode(Mode.CLEAR))；
canvas.drawRect(rect,mTextPaint)；
After step 204 and step 205 have been performed both by, perform step 206.
Step 206: directly read Bitmap that step 205 drawn to fill the picture of current View
Plate.
Step 207: ordered by SurfaceHolder.unlocakCanvasAndPost (canvas), is solved
Lock the drawing board of current GLSurfaceView.
Step 208: current View is rendered on screen by operating system.In this step, by aobvious
Show that current View is shown on screen by the GC16+Partial refresh mode of chip.GC16+Partial
Refer to: need the image updated to be shown on display screen the screen brush of screen part based on GC16 mechanism
New model.Wherein GC16 represents 16 grades of gray scale clearing (district) waveforms.
The display mechanism of the electric book reader of above-described embodiment avoids calling system function
Draw (Canvas canvas), so screen initialization mechanism will not be triggered during page turning, thus
Avoid scintillation.When reality is tested, read at the electric paper book applying above-mentioned flow process to realize page turning
On device, not finding not have on scintillation, and screen ghost, writing is clear.Further, since step
Rapid 204 and step 205 perform simultaneously, screen is white consumes the extra time hardly, therefore goes up
The display mechanism of the electric book reader stating embodiment also has the advantage of fast response time.
Further, in one embodiment, Bitmap being carried out subregion, subregion includes: text
District, header district, footer district and margin district.In step 205 described previously, it is only necessary to will be read
The content of text of lower one page be plotted in the text area of Bitmap.And header district can be exclusively used in aobvious
Show dynamic or static general information, such as time, weather etc..Footer district can be used for showing the page number,
When page turning or after page turning completes, in amendment Bitmap, footer district can show the new page number.Page
Border area can be used for making page turning animation effect.Further, in another embodiment, if header
District is shown that dynamic general information, such as time, then refreshing this multidate information every time
Time, operating system can send the internal manipulation instruction of refresh time, in this case, flow for displaying with
Above-mentioned steps 201 to 207 is basically identical, the difference is that only: identifies in step 202 and is connect
Receive the instruction internal manipulation instruction for refresh time, step 205 only revised the header district of Bitmap,
Other subregion is the most constant.
On the other hand, in addition to page turn over operation, user needs to edit book pages sometimes.?
When editing, user needs to be selected by editing area by touch operation, and this is by editing area
Should feed back on screen in real time, in order to user operation.In typical prior art, generally need
Original View to cover a transparent View, by calling on transparent View
Draw (Canvas canvas) function is drawn marker character thus is shown being edited selected by user in real time
Region, after user is selected by editing area, remerges two View, and needs in merging process again
The secondary draw of calling (Canvas canvas) function is to draw the picture after merging.This scheme the most also can
The problem bringing screen flicker, there is also the problem that response speed is slow simultaneously, all serious shadow of these problems
Ring Consumer's Experience.
Based on this, according to another embodiment of the invention, it is provided that a kind of electricity book reader is at page
The display mechanism of face editing process, Fig. 3 shows the flow chart of the display mechanism of this embodiment, including
The following step:
Step 301: use GLSurfaceView non-blocking fashion to open books.
Step 302: the operational order of operating system identification user input, receives when identifying screen
When user instruction is the instruction triggering page editing, identifies by the coordinate of editing area, then pass through
RequestRender () asks to draw.In the present embodiment, by treating that editing area typically refers to be selected
White space below editor's word.
Step 303: ordered by Canvas canvas=SurfaceHolder.lockCancas (), locking
The drawing board of current View.
Step 304: order the drawing board at current View by Canvas.drawColor (0xFFFFFF)
Upper drafting white, then uses the GL16+FULL pattern of display chip to be filled out by screen white, it is achieved anti-
Ghost function.
Step 305: revise the Bitmap that the drawing board of current View is corresponding, corresponding by editing area
Position draw underscore, this draw by amendment Bitmap in by editing area corresponding coordinate
The gray value at place realizes.It should be noted that underscore simply display is by one of mode of editing area,
In other embodiments, it is also possible to dash forward by drawing other symbol at word underlying empty to be edited
Go out display by editing area.
After step 304 and step 305 have been performed both by, perform step 306.
Step 306: directly read the amended Bitmap of step 305 to fill the picture of current View
Plate.
Step 307: ordered by Holder.unlocakCanvasAndPost (canvas), unlocks current
The drawing board of View.
Step 308: View is projected on screen by operating system.In this step, pass through display chip
GC16+Partial pattern View is projected on screen.
In one embodiment, above-mentioned steps 303 to 307 can be by the requestRender of reconstruct
Function realize, so after calling requestRender function, will directly perform step 303 to
Code corresponding to 307.In one example, the requestRender of GLSurfaceView is reconstructed
The false code of function is as follows:
Further, in addition to page turn over operation and edit operation, electricity book reader may also can
Receive the user operation instruction that the other type of triggering page changes, such as: beat from catalogue page
The instruction opening books, the instruction jumping to another catalogue page from a catalogue page (include entering next
Level catalogue instruction, return upper level catalogue instruction), from the instruction of book page Returning catalogue page
In.These user operations instruction equally identifies and display packing based on the present invention shows,
Thus solve the problem such as ghost, flicker, and keep response speed faster.Concrete flow for displaying with
To show in basically identical to step 208 of step 201, only step 202 and step 205 above
There is difference in the content of the next page shown.Thus, it is only required in step 202., according to being identified
Instruction type, obtain the content of corresponding next page to display.Such as, in instruction
When type is page-turning instruction, read the content of text of next page；In instruction type for triggering editor behaviour
During the instruction made, identify by editing area, generated label symbol (such as underscore) by editing area；
It is to return the instruction of upper level catalogue in instruction type, then reads corresponding to the page of upper level catalogue
Tree body, the leaf node element of this tree body corresponds to books icon or subdirectory figure
Mark.
It addition, before performing step 206, currently displaying chip can be detected the most idle, with really
Protect display chip and complete the task of white frequency curtain.Such as, in one embodiment, step is being performed
Before 206, detect currently displaying chip the most idle, if it is, perform step 206, if
No, then wait a default time cycle, the most again detect currently displaying chip the most idle,
Until currently displaying chip is idle.This scheme is able to ensure that on frequency curtain does not stay ghost so that the page is clear
Clear.It should be noted that the present invention can not also detection chip the most idle, such as real at another
Execute in example, after step 204 and step 205 complete, immediately enter step 206, due to GC16+FULL
Refresh mode is white the most less, and the display mechanism of this embodiment is also the most in most cases
Ghost will not be left on frequency curtain, the problem simultaneously eliminating screen flicker, therefore this embodiment relative to
Existing display mechanism also is able to improve to a certain extent Consumer's Experience.
Finally it should be noted that above example is only in order to describe technical scheme rather than to this
Technical method limits, the present invention application on can extend to other amendment, change, apply and
Embodiment, and it is taken as that all such amendments, change, apply, embodiment is all the present invention's
In the range of spirit or teaching.
Claims (15)
1., for a display packing for electricity paper ink screen, wherein use GLSurfaceView type
View show that the page, described display packing comprise the following steps:
1) identify the operational order that the triggering page changes, obtain next page to display
Content；
2) control of active view is obtained；
3) on the drawing board of active view, draw white, then active view is projected frequency curtain；
4) content of next page to display is plotted to and the page figure corresponding to active view
As in data file；
5) by step 4) the page-images data file of gained fills the drawing board of active view；
6) active view is rendered on frequency curtain.
Display packing for electricity paper ink screen the most according to claim 1, its feature exists
In, described step 1) in, discernible described operational order includes: trigger what the page changed
User operation instruction and internal manipulation instruction.
Display packing for electricity paper ink screen the most according to claim 2, its feature exists
In, described step 1) in, described user operation instruction includes: page-turning instruction, triggering page editing
Instruction, open the instruction of books from catalogue page, jump to another catalogue page from a catalogue page
Instruction and one or more from the instruction of book page Returning catalogue page.
Display packing for electricity paper ink screen the most according to claim 3, its feature exists
In, described step 1) also include: when identifying described operational order and being page turn over operation instruction, institute
The content stating next page to display includes: the content of text of next page.
Display packing for electricity paper ink screen the most according to claim 3, its feature exists
In, described step 1) also include: when identifying the instruction that described operational order is triggering page editing
Time, identify currently selected by the coordinate of editing area.
Display packing for electricity paper ink screen the most according to claim 5, its feature exists
In, described step 1) in, the content of described next page to display includes: be positioned at selected
By editor word below white space at label symbol.
Display packing for electricity paper ink screen the most according to claim 6, its feature exists
In, described step 4) also include: revise corresponding to active view according to by the coordinate of editing area
Page-images data file, is drawn marker character in selected editing at the white space below word
Number.
Display packing for electricity paper ink screen the most according to claim 7, its feature exists
In, described step 4) in, described label symbol is underscore.
Display packing for electricity paper ink screen the most according to claim 1, its feature exists
In, described step 4) and step 5) between further comprise the steps of:
4a) detection display chip is the most idle, if it is, perform step 5), if it does not, wait one
The section time, then re-execute step 4a).
Display packing for electricity paper ink screen the most according to claim 1, its feature exists
In, described step 4) complete to be immediately performed described step 5 afterwards).
11. display packings for electricity paper ink screen according to claim 1, its feature exists
In, described step 4) in, described page-images data file includes the multiple subregions divided in advance.
12. display packings for electricity paper ink screen according to claim 11, its feature
It is, described step 4) also include: only the partial-partition in described page-images data file is entered
Row amendment, described partial-partition is that the content of next page to display is relative to receiving described operation
The subregion that the current page of instruction changes.
13. display packings for electricity paper ink screen according to claim 1, its feature exists
In, described step 2) also include: after the control obtaining active view, locking active view
Drawing board.
14. display packings for electricity paper ink screen according to claim 13, its feature
It is, described step 5) also include: after the drawing board of active view is filled, unlock active view
Drawing board.
15. display packings for electricity paper ink screen according to claim 1, its feature exists
In, complete described step 2) after, perform described step 3 simultaneously) and described step 4).
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| CN108172176B (en) * | 2018-01-22 | 2019-12-13 | 青岛海信移动通信技术股份有限公司 | Page refreshing method and device for ink screen |
| CN110738970A (en) * | 2018-01-22 | 2020-01-31 | 青岛海信移动通信技术股份有限公司 | Page refreshing method and device for ink screen |
| CN110738971A (en) * | 2018-01-22 | 2020-01-31 | 青岛海信移动通信技术股份有限公司 | Page refreshing method and device for ink screen |
| CN110738970B (en) * | 2018-01-22 | 2021-05-18 | 青岛海信移动通信技术股份有限公司 | Page refreshing method and device for ink screen |
| CN110751931A (en) * | 2018-01-22 | 2020-02-04 | 青岛海信移动通信技术股份有限公司 | Page refreshing method and device for ink screen |
| CN108172176A (en) * | 2018-01-22 | 2018-06-15 | 青岛海信移动通信技术股份有限公司 | For the page furbishing method and device of ink screen |
| CN110782847A (en) * | 2018-01-22 | 2020-02-11 | 青岛海信移动通信技术股份有限公司 | Page refreshing method and device for ink screen |
| CN110751930B (en) * | 2018-01-22 | 2021-05-18 | 青岛海信移动通信技术股份有限公司 | Page refreshing method and device for ink screen |
| CN109688457A (en) * | 2018-12-28 | 2019-04-26 | 武汉斗鱼网络科技有限公司 | A kind of anti-occlusion method of video, device, electronic equipment and medium |
| CN109688457B (en) * | 2018-12-28 | 2021-07-23 | 武汉斗鱼网络科技有限公司 | Video anti-blocking method and device, electronic equipment and medium |
| CN109992182A (en) * | 2019-03-28 | 2019-07-09 | 掌阅科技股份有限公司 | E-book batch page turning method, electronic equipment and computer storage medium |
| CN113407135A (en) * | 2021-06-23 | 2021-09-17 | 青岛海信移动通信技术股份有限公司 | Display control method applied to ink screen and related device |
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