CN102253560A - Display device, and refreshing method and device of display interface - Google Patents
Display device, and refreshing method and device of display interface Download PDFInfo
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- CN102253560A CN102253560A CN201010182730XA CN201010182730A CN102253560A CN 102253560 A CN102253560 A CN 102253560A CN 201010182730X A CN201010182730X A CN 201010182730XA CN 201010182730 A CN201010182730 A CN 201010182730A CN 102253560 A CN102253560 A CN 102253560A
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Abstract
The invention provides a display device, a refreshing method and a refreshing device of a display interface. The refreshing method of the display interface comprises the following steps of: acquiring a control, changing relative to the current display interface, of a next display interface; acquiring pixel data of a display region corresponding to the changed control; and refreshing the display interface based on the pixel data and coordinate data of the display region corresponding to the changed control. In the display device, the refreshing method and the refreshing device of the display interface, the display region corresponding to the changed control is locally refreshed; and the screen flash phenomenon of the display device caused by overall (full screen) refreshing in the prior art is avoided.
Description
Technical field
The present invention relates to the display technique field, relate in particular to display device and display interface method for refreshing thereof, display interface method for refreshing and device.
Background technology
Along with the arriving of information age, because the increase in demand that people and external information are linked up, the display device with the function of diffusing information has become one of indispensable electronic product of modern.(cathode ray tube, CRT) display is developed to more frivolous now LCD (liquid crystal display LCD), has been widely used in communication, information and consumption electronic product etc. display device by initial cathode-ray tube (CRT).Yet, because LCD need continue to provide power supply for operation, so more the display technique of the electrophoretic display device (EPD) of power saving (Electrophoretic display) is developed.
Utilize computing machine to handle and preserve great mass of data, yet, compare with paper, because volume, weight and the operation etc. of computing machine are all read not as good as information being recorded in being convenient for carrying with convenient of paper printing matter, therefore in this case, electric paper display (E-paper display based on electrophoretic techniques, EPD) arise at the historic moment, the thickness of electric paper display can be suitable with plain paper, can duplicate the display property of paper and can reuse, and electric paper display can show dynamic menu.Electronic Paper more and more is subjected to the welcome in market with the soft display effect of its lower energy resource consumption and similar paper and the prospect expection that can substitute paper.The static state that its outstanding retention performance is very suitable for text reading one class shows product.
Study the more electric paper display that is based on electrophoretic techniques at present, electrophoresis is meant that charged particle moves in the electric field that applies, its ultimate principle is: there is charged particle in the electrophoresis liquid the inside, these charged particles can move under effect of electric field, and can reflect surround lighting, be received by human eye as display image as the paper; In the picture conversion stage, according to the electrophoresis liquid two ends alive size and time can control the position of charged corpuscle at place, electrophoresis liquid the inside, show thereby control the catoptrical strong and weak GTG of realizing; Keep the stage at picture, make electrophoresis liquid two ends equipotential, thereby make charged corpuscle can keep tableaux with low energy consumption, realize that tableaux shows in holding position, electrophoresis liquid the inside.
Yet adopt the overall situation (full frame) to refresh to the renewal of picture on the EPD display screen in the prior art, if the size of screen is 600 * 800, each data that transmit must be 600 * 800 pixel datas, and behind the transmission display command, the EPD controller will show 600 * 800 pixel values; When being the picture on the update displayed screen, when on display screen, having only the part picture to change, still whole image is upgraded again, since the refresh rate of EPD slow (refresh rate is about 700ms) in the prior art, the phenomenon that screen can occur dodging when adopting the overall situation to refresh.
Many patents about electric paper display and driving method thereof are arranged in the prior art, and for example application number is 200880000725.3 Chinese patent application, yet does not all solve the shortcoming of above-described prior art.
Summary of the invention
The problem that the present invention solves is the electric paper display of prior art, the sudden strain of a muscle screen phenomenon that occurs when refreshing the electronic-paper display screen display interface.
For addressing the above problem, the invention provides a kind of display device, comprising:
Display screen is used to export display interface, and described display interface comprises a plurality of controls;
Operating unit is used to obtain the control that next display interface changes with respect to current display interface and the coordinate data corresponding with the control of described variation is provided;
Processing unit is used to obtain the pixel data of the control corresponding display of described variation;
Driver element is used for the coordinate data based on the control correspondence of described variation, and transmission is corresponding to the display command of the viewing area of the control of described variation; Control module is used to receive the display command that described driver element sends, and based on the pixel data of the control corresponding display of described variation, refreshes in the display interface viewing area corresponding to the control of described variation.
Optionally, described operating unit is mounted with Android operating system.
Optionally, described display screen is an electronic-paper display screen.
Display device of the present invention, utilize operating unit to obtain the control that next display interface changes with respect to current display interface and the coordinate data corresponding with the control that changes is provided, processing unit obtains the pixel data of the control corresponding display of variation, driver element is based on the coordinate data of the control correspondence that changes, transmission is corresponding to the display command of the viewing area of the control that changes, control module, receive the display command that driver element sends, based on the pixel data of the control corresponding display that changes, refresh in the display interface viewing area corresponding to the control that changes.Therefore display device of the present invention is when refreshing display interface, and according to the operational order of outside, the pairing viewing area of refresh operation instruction corresponding controls avoids display device of the prior art to adopt the overall situation (full frame) to refresh the sudden strain of a muscle screen phenomenon of appearance.
The present invention also provides a kind of display interface method for refreshing of described display device, comprising:
Described processing unit receives the operational order of current display interface and sends operating unit to;
Described operating unit is resolved described operational order, obtains the control that next display interface changes with respect to current display interface, and provides coordinate data corresponding to the control of described variation to described processing unit and driver element;
Described processing unit obtains the pixel that control comprised of described variation based on the coordinate data of the control of described variation, and based on described operational order, generate described variation the pixel that control comprised pixel data and send to described control module;
Described driver element is based on the coordinate data of the control correspondence of described variation, sends display command corresponding to the viewing area of the control of described variation to described control module;
Described control module is based on the pixel data of the pixel that control comprised of described display command and described variation, refreshes in the display interface viewing area corresponding to the control of described variation, and exports the described display interface that refreshes to described display screen.
The present invention also provides the display interface method for refreshing of another kind of above-described display device, comprising:
Described processing unit obtains the pixel data of current display interface, reception is to the operational order of current display interface, generate the pixel data of next display interface based on described operational order, and send the pixel data of described current display interface and the pixel data of next display interface to described driver element;
Described driver element compares the pixel data of next display interface and current display interface, obtain the pixel of variation, determine the control that the control at the pixel place of described variation changes with respect to current display interface for next display interface and send described operating unit to;
Described operating unit provides coordinate data corresponding to the control of described variation to described processing unit and driver element;
Described processing unit is based on the coordinate data of the control of described variation, obtain the pixel that control comprised of described variation, extract from the pixel data of described next display interface described variation the pixel that control comprised pixel data and send to described control module;
Described driver element is based on the coordinate data of the control correspondence of described variation, sends display command corresponding to the viewing area of the control of described variation to described control module;
Described control module is based on the pixel data of the pixel that control comprised of described display command and described variation, refreshes in the display interface viewing area corresponding to the control of described variation, and exports the described display interface that refreshes to described display screen.
The method that refreshes the display interface of above-described display device of the present invention, when refreshing display interface, operational order according to the outside, the pairing viewing area of refresh operation instruction corresponding controls avoids display device of the prior art to adopt the overall situation (full frame) to refresh the sudden strain of a muscle screen phenomenon of appearance.
The present invention provides a kind of method for refreshing of display interface in addition, and described display interface comprises a plurality of controls, and each control has corresponding coordinate data, and described method for refreshing comprises:
Obtain the control that next display interface changes with respect to current display interface;
Obtain the pixel data of the control corresponding display of described variation;
Pixel data and coordinate data based on the control corresponding display of described variation refresh display interface.
Optionally, described next display interface that obtains comprises with respect to the control that current display interface changes:
Reception is to the operational order of current display interface;
Resolve described operational order, obtain the control that next display interface changes with respect to current display interface.
Optionally, the described pixel data that obtains the control corresponding display of described variation comprises:
Based on the coordinate data of the control of described variation, obtain the pixel that the control corresponding display of described variation is comprised;
Based on described operational order, generate the pixel data of the pixel that the control corresponding display of described variation comprised.
Optionally, the described pixel data that obtains the control corresponding display of described variation comprises:
Based on the coordinate data of the control of described variation, obtain the pixel that the control corresponding display of described variation is comprised;
Based on described operational order, generate the pixel data of next display interface;
Extract the pixel data of the pixel that the control corresponding display of described variation comprised from the pixel data of described next display interface.
Optionally, described next display interface that obtains comprises with respect to the control that current display interface changes:
Obtain the pixel data of current display interface;
Reception is to the operational order of current display interface;
Based on described operational order, generate the pixel data of next display interface;
Relatively the pixel data of next display interface and current display interface obtains the pixel of variation;
The control of determining the pixel place of described variation is the control of next display interface with respect to the current display interface variation.
Optionally, the described pixel data that obtains the control of described variation comprises:
Based on the coordinate data of the control of described variation, obtain the pixel that control comprised of described variation;
Extract the pixel data of the pixel that control comprised of described variation from the pixel data of described next display interface.
Optionally, the pixel data and the coordinate data of described control corresponding display based on described variation, refresh display interface and comprise:
Based on the coordinate data of the control of described variation, obtain in the display interface viewing area corresponding to the control of described variation;
Refresh the viewing area of described control corresponding to described variation with the pixel data of the control corresponding display of described variation.
The method that refreshes display interface of the present invention, by obtaining the control that next display interface changes with respect to current display interface, obtain the pixel data of the control corresponding display of described variation, pixel data and coordinate data based on the control corresponding display of described variation, refresh display interface, adopt the overall situation (full frame) to refresh the sudden strain of a muscle screen phenomenon of appearance when avoiding refreshing display interface in the prior art.
The present invention also provides a kind of refreshing apparatus of display interface, and described display interface comprises a plurality of controls, and each control has corresponding coordinate data, and described refreshing apparatus comprises:
Change the control acquiring unit, obtain the control that next display interface changes with respect to current display interface;
The pixel data acquiring unit obtains the pixel data of the control corresponding display of described variation;
Show refresh unit, pixel data and coordinate data based on the control corresponding display of described variation refresh display interface.
Optionally, described coordinate data comprises the origin coordinates of control and the length and the width of control regions.
Optionally, described variation control acquiring unit comprises:
Receiving element receives the operational order to current display interface;
Resolution unit is resolved described operational order, obtains the control that next display interface changes with respect to current display interface.
Optionally, described pixel data acquiring unit comprises:
Pixel acquisition unit based on the coordinate data of the control of described variation, is obtained the pixel that the control corresponding display of described variation is comprised;
The pixel data generation unit based on described operational order, generates the pixel data of the pixel that control comprised of described variation.
Optionally, described pixel data acquiring unit comprises:
Pixel acquisition unit based on the coordinate data of the control of described variation, is obtained the pixel that the control corresponding display of described variation is comprised;
The pixel data generation unit based on described operational order, generates the pixel data of next display interface;
The pixel data extraction unit extracts the pixel data of the pixel that the control corresponding display of described variation comprised from the pixel data of described next display interface.
Optionally, described variation control acquiring unit comprises:
The pixel data acquiring unit obtains the pixel data of current display interface;
Receiving element receives the operational order to current display interface;
The pixel data generation unit based on described operational order, generates the pixel data of next display interface;
Comparing unit, relatively the pixel data of next display interface and current display interface obtains the pixel of variation;
Determining unit determines that the control at the pixel place of described variation is the control of next display interface with respect to the current display interface variation.
Optionally, described pixel data acquiring unit comprises:
Pixel acquisition unit based on the coordinate data of the control of described variation, is obtained the pixel that control comprised of described variation;
The pixel data extraction unit extracts the pixel data of the pixel that control comprised of described variation from the pixel data of described next display interface.
Optionally, described demonstration refresh unit comprises:
The zone acquiring unit based on the coordinate data of the control of described variation, obtains in the display interface viewing area corresponding to the control of described variation;
The pixel refresh unit refreshes the viewing area of described control corresponding to described variation with the pixel data of the control of described variation.
The refreshing apparatus of display interface of the present invention, obtain the control that next display interface changes with respect to current display interface by changing the control acquiring unit, utilize the pixel data acquiring unit to obtain the pixel data of the control corresponding display of described variation, show pixel data and the coordinate data of refresh unit based on the control corresponding display of described variation, refresh display interface, adopt the overall situation (full frame) to refresh the sudden strain of a muscle screen phenomenon of appearance when avoiding refreshing display interface in the prior art.
Description of drawings
Fig. 1 is the structural representation of the display device of the specific embodiment of the invention;
Fig. 2 is the FB(flow block) of method for refreshing of display interface of the display device of the specific embodiment of the invention
Fig. 3 is the demonstration synoptic diagram of current display interface of the display device of the specific embodiment of the invention;
Fig. 4 is the demonstration synoptic diagram of next display interface of the display device of the specific embodiment of the invention;
The synoptic diagram that Fig. 5 upgrades in internal memory and EPD internal memory for pixel data in the display interface method for refreshing of specific embodiment of the invention display device;
Fig. 6 is the FB(flow block) of method for refreshing of a kind of specific embodiment of display interface of display device of the present invention;
The synoptic diagram that Fig. 7 upgrades in internal memory and EPD internal memory for pixel data in the another kind of specific embodiment method for refreshing of the display interface of display device of the present invention;
Fig. 8 is the FB(flow block) of display interface method for refreshing of the present invention;
Fig. 9 is the structured flowchart of the refreshing apparatus of the present invention's first specific embodiment;
Figure 10 is the structured flowchart of the refreshing apparatus of the present invention's second specific embodiment;
Figure 11 is the structured flowchart of the refreshing apparatus of the present invention's the 3rd specific embodiment.
Embodiment
The method for refreshing of the display interface of display device of the present invention and display device thereof, the method for refreshing of display interface and the refreshing apparatus of display interface, adopt the local pairing viewing area of control of variation of refreshing, promptly according to the operational order of outside, the pairing viewing area of refresh operation instruction corresponding controls avoids display device of the prior art to adopt the overall situation (full frame) to refresh the sudden strain of a muscle screen phenomenon of appearance.
The display device of a specific embodiment of the present invention combines Android operating system with electronic-paper display screen, Android operating system is based on the software platform and the operating system of linux kernel, the control coordinate data can be provided, with Android operating system and EPD (E-paper display, electronic-paper display screen) combination, utilize the demonstration of Android Operational System Control control EPD, refreshing of the display interface of realization display screen, wherein, refreshing of display interface is meant and will data presented be sent in the EPD internal memory on display interface, and the transmission display command, the EPD controller shows the pixel data correspondence position on display interface that transmits.
Fig. 1 is the Android system of the specific embodiment of the invention and the structural representation of electronic-paper display screen, and the display device of this specific embodiment comprises:
Electronic-paper display screen 10 is used to export display interface, and described display interface comprises a plurality of controls, and in other embodiments of the invention, display screen is not limited to electronic-paper display screen, also can be known other display screens of those skilled in the art such as LCDs;
Processing unit 30, be used to obtain the pixel data of the control corresponding display of described variation, in this specific embodiment of the present invention, processing unit 30 is the CPU processor, in other embodiment, processing unit 30 also can be known other processors of those skilled in the art such as MCU;
In specific embodiments of the invention, display device also comprises internal memory 60, be used to store data, in specific embodiments of the invention, internal memory 60 has a special region of memory to be used for storing the pixel data of wanting display interface, the display device of specific embodiments of the invention also comprises EPD internal memory 70, and this EPD internal memory 70 is used for storing the pixel data that will upgrade.
The display device of the specific embodiment of the invention combines the Android system with electronic-paper display screen, set up coordinate system in the Android system, utilize the Android system that the coordinate data of each control is provided like this, need not processing unit and set up coordinate system, the coordinate data of each control is provided, thereby can alleviate the Processing tasks of processing unit, accelerate the refresh rate of display interface.
Android operating system is applied to electronic-paper display screen, on the display interface of electronic-paper display screen, show a sub-picture, mainly constitute by two steps, the first step, android operating system drawing image, and the pixel data of the image drawn is stored in the region of memory of special storage pixel data in the internal memory, and during the each drawing image of Android operating system, Android operating system calculates the coordinate data of the control of each variation, and this coordinate data is reached in the driver element; In second step, after each present image was completed, processing unit sent to the pixel data of the control corresponding display of the variation of storing in the internal memory among the EPD internal memory (electronic-paper display screen internal memory).
Fig. 2 is the FB(flow block) of method for refreshing of display interface of the display device of the specific embodiment of the invention, and with reference to figure 2, the method for refreshing of the display interface of the display device of the specific embodiment of the invention comprises:
Step S21, described processing unit receive the operational order of current display interface and send operating unit to;
Step S22, described operating unit is resolved described operational order, obtains the control that next display interface changes with respect to current display interface, and provides coordinate data corresponding to the control of described variation to described processing unit and driver element;
Step S23, described processing unit is based on the coordinate data of the control of described variation, obtain the pixel that control comprised of described variation, and based on described operational order, generate described variation the pixel that control comprised pixel data and send to described control module;
Step S24, described driver element be based on the coordinate data of the control correspondence of described variation, sends display command corresponding to the viewing area of the control of described variation to described control module;
Step S25, described control module is based on the pixel data of the pixel that control comprised of described display command and described variation, refresh in the display interface viewing area, and export the described display interface that refreshes to described display screen corresponding to the control of described variation.
Fig. 3 is the demonstration synoptic diagram of current display interface of the display device of the specific embodiment of the invention, Fig. 4 is the demonstration synoptic diagram of next display interface of the display device of the specific embodiment of the invention, current display interface shown in Figure 3 and next display interface shown in Figure 4 are two continually varying display interfaces, these two continuous display interfaces are made of three controls, three icon view have been comprised in the control 1, be respectively icon 1, icon 2, icon 3, control 2 302 has comprised three text box views, be respectively text filed one, text filed two, text filed three, control 3 303 has comprised two button views, is respectively button one, button two.Variation from current display interface shown in Figure 3 to next display interface shown in Figure 4 is, text filed one (grey) that Fig. 3 chooses, chosen text filed two by downward directionkeys (operational order) is mobile, display interface among Fig. 3 becomes display interface shown in Figure 4 at this moment, text filed one becomes normal white, and text filed two become and choose (grey).
Current display interface shown in Figure 3 is text filed one and text filed two to the variation of next display interface shown in Figure 4, refreshing of the overall situation of prior art (full frame) must repaint whole screen, 600 * 800 pixel values of the display interface shown in Fig. 4 must be sent in the EPD internal memory, the update displayed interface, and no matter whether the zone except text filed one and text filed two changes in these 600 * 800 pixels.What change is text filed one and text filed two, it is { x that these two zones all belong to coordinate, y, w, the control two of h}, the method for refreshing of the display interface of display device of the present invention, only upgrading coordinate is { x, y, w, control two corresponding display of h}, comprise text filed one, text filed two, text filed three and the periphery the zone; And other controls can be judged not variation, then need not upgrade.
Be example to be updated to next display interface shown in Figure 4 from current display interface shown in Figure 3 below, the synoptic diagram that Fig. 5 upgrades in internal memory and EPD internal memory for pixel data in the display interface method for refreshing of specific embodiment of the invention display device, and the method for refreshing of display interface of the display device of the specific embodiment of the invention is described in conjunction with Fig. 2 and Fig. 5
Execution in step S21, described processing unit receives the operational order of current display interface and sends operating unit to: in conjunction with Fig. 1, in this specific embodiment for by the directionkeys that moves down by choosing text filed one to become and choose text filed two shown in Fig. 4 shown in Fig. 3, processing unit 30 receives by choosing text filed one to become and choose text filed two operational order, and this operational order is sent to Android operating system 20;
Execution in step S22, described operating unit is resolved described operational order, obtain the control that next display interface changes with respect to current display interface, and provide coordinate data corresponding to the control of described variation to described processing unit and driver element, in conjunction with Fig. 1, be specially: Android operating system 20 is resolved by choosing text filed one to become and choose text filed two operational order, and obtain the control that next display interface (interface shown in Figure 4) changes with respect to current display interface (display interface shown in Figure 3), promptly text filed one and the control two at text filed two places;
Execution in step S23, described processing unit is based on the coordinate data of the control of described variation, obtain the pixel that control comprised of described variation, and based on described operational order, generate described variation the pixel that control comprised pixel data and send to described control module, in conjunction with Fig. 1, in this specific embodiment, be specially: described processing unit 30 is coordinate data { x, y, the w of control two based on the control of described variation, h}, obtain the pixel that control two is comprised, and based on by choosing text filed one to become and choose text filed two operational order, generate the control that changes and be the pixel data of the pixel that control two comprised and send to described control module 50; Simultaneously with reference to figure 5, the pixel data of current display interface is in the shown in Figure 3 display interface, the pixel data of the pixel that control one comprises is stored in first region of memory 611 of the region of memory 61 of storage pixel data in the internal memory 60, the pixel data of the pixel that control two comprises is stored in second region of memory 612 of the region of memory 61 of storage pixel data in the internal memory 60, the pixel data of the pixel that control three comprises is stored in the 3rd region of memory 613 of the region of memory 61 of storage pixel data in the internal memory 60, the control of variation be the pixel data of the pixel that comprised of control two second region of memory 612 that sends to the region of memory 61 of storage pixel data in the internal memory simultaneously ' in; In the present invention, first region of memory 611 of the pixel data of the pixel that storage control one comprises does not upgrade, and the 3rd region of memory 613 of the pixel data of the pixel that storage control three comprises does not upgrade;
Execution in step S24, described driver element is based on the coordinate data of the control correspondence of described variation, transmission corresponding to the display command of the viewing area of the control of described variation to described control module, in conjunction with Fig. 1, in this specific embodiment, be specially: driver element 40 is based on the coordinate data of control two correspondences, transmission corresponding to the display command of the viewing area of control two to control module 50, simultaneously with reference to figure 5, in this specific embodiment of the present invention, processing unit is based on the coordinate data of control two correspondences, and the pixel data with the second region of memory 612 ' storage in the described internal memory 60 sends to EPD internal memory 70 simultaneously;
Execution in step S25, described control module is based on the pixel data of the pixel that control comprised of described display command and described variation, refresh in the display interface viewing area corresponding to the control of described variation, and export the described display interface that refreshes to described display screen, in conjunction with Fig. 1, in this specific embodiment of the present invention, be specially: the pixel data of the pixel that the control of storing in control two corresponding display display commands that control module sends based on driver element and the EPD internal memory two is comprised, refresh in the display interface viewing area, and the display interface that will refresh exports the EPD display screen to corresponding to control two.
Fig. 6 is the FB(flow block) of the method for refreshing of the another kind of specific embodiment of the display interface of display device of the present invention, with reference to figure 6, another method for refreshing of the display interface of display device of the present invention, it equally is the method for refreshing of display interface of the display device of example explanation this specific embodiment of the present invention with current display interface shown in Figure 3 and next display interface shown in Figure 4, and describe the method for refreshing of display interface of the display device of this specific embodiment in detail in conjunction with Fig. 7 and Fig. 1, comprising:
Step S61, described processing unit obtains the pixel data of current display interface, reception is to the operational order of current display interface, generate the pixel data of next display interface based on described operational order, and send the pixel data of the pixel data of described current display interface and next display interface to described driver element, in conjunction with Fig. 1, in this specific embodiment of the present invention, be specially: processing unit 10 obtains the pixel data of current display interface (display interface shown in Figure 3), when operational order serve as reasons choose text filed one be changed to choose text filed two the time, the operational order that processing unit 10 receives this current display interface (display interface shown in Figure 3), generate the pixel data of next display interface (display interface shown in Figure 4) based on this operational order, and send the pixel data of described current display interface (display interface shown in Figure 3) and the pixel data of next display interface (display interface shown in Figure 4) to described driver element 40; Simultaneously with reference to figure 7, and in this specific embodiment, the pixel data of the pixel data of current display interface (display interface shown in Figure 3) and next display interface (display interface shown in Figure 4) sends in the region of memory in the internal memory 60 simultaneously, and the pixel data of current display interface (display interface shown in Figure 3) is stored in respectively in two different region of memorys with the pixel data of next display interface (display interface shown in Figure 4), is respectively the 4th region of memory 614 and the 5th region of memory 615;
Step S62, described driver element compares the pixel data of next display interface and current display interface, obtain the pixel of variation, determine the control that the control at the pixel place of described variation changes with respect to current display interface for next display interface and send described operating unit to, in this specific embodiment of the present invention, be specially: driver element 40 relatively is stored in next display interface (display interface shown in Figure 4) of the 4th region of memory 614 and the 5th region of memory 615 and the pixel data of current display interface (display interface shown in Figure 3), obtain the pixel of variation, be text filed one and the pixel of text filed two correspondences, the control of determining pixel (be text filed one and the pixel of the text filed two correspondences) place of the described variation control that to be control two change with respect to current display interface for next display interface also sends Android operating system 20 to; In other embodiments of the invention, the pixel data of current display interface and the pixel data of next display interface also can not send internal memory to, relatively the pixel data of the pixel data of current display interface and next display interface only compares by driver element, the pixel data of the current display interface of storing in needn't invoke memory and the pixel data of next display interface;
Step S63, described operating unit provides coordinate data corresponding to the control of described variation to described processing unit and driver element, in conjunction with Fig. 1, in specific embodiments of the invention, be specially: the control of the variation that Android operating system 20 will obtain in step S62 is that the coordinate data of control two correspondences offers processing unit 30 and driver element 40;
Step S64, described processing unit is based on the coordinate data of the control of described variation, obtain the pixel that control comprised of described variation, extract from the pixel data of described next display interface described variation the pixel that control comprised pixel data and send to described control module, in conjunction with Fig. 1, in specific embodiments of the invention, be specially: processing unit 30 is the coordinate data of control two based on the control that changes, the control that obtains variation is the pixel that control two is comprised, and the pixel data of next display interface from be stored in internal memory (display interface shown in Figure 4) extracts the control that changes to be the pixel data of the pixel that comprised of control two and to send to control module; In this specific embodiment of the present invention, simultaneously with reference to figure 7, the control of the variation of extracting in the pixel data of next display interface from be stored in internal memory (display interface shown in Figure 4) is that the pixel data of the pixel that comprised of control two also sends to EPD internal memory 70 simultaneously, and this pixel data that will upgrade is stored in the EPD internal memory 70;
Step S65, described driver element is based on the coordinate data of the control correspondence of described variation, transmission corresponding to the display command of the viewing area of the control of described variation to described control module, in this specific embodiment of the present invention, be specially: driver element 40 is the coordinate data of control two correspondences based on the control that changes, and sending corresponding to the control that changes is that the display command of viewing area of control two is to control module 50;
Step S66, described control module is based on the pixel data of the pixel that control comprised of described display command and described variation, refresh in the display interface viewing area corresponding to the control of described variation, and export the described display interface that refreshes to described display screen, in this specific embodiment of the present invention, be specially: control module 50 is the pixel data of the pixel that comprised of control two based on the control of display command that obtains among the step S65 and variation, from driver element 40, receive display command, and from EPD internal memory 70, call the pixel data of the pixel that control two comprised, and the pixel data of the pixel that control two is comprised according to display command refreshes to the display interface the viewing area corresponding to the control of described variation, and export the described display interface that refreshes to described display screen, finally obtain the picture of next display interface shown in Figure 4.
The display device of the embodiment of the invention and the method that refreshes the display interface that shows display device, operational order according to the outside, the pairing viewing area of refresh operation instruction corresponding controls, with specific embodiments of the invention is example, each data number that transmits only needs w * h pixel value, after driver element sent display command, the EPD controller will be on electronic-paper display screen was starting point with x and y, and upgrading wide is that w highly is the zone of h.Other zone needn't send more new data owing to do not change, and avoids display device of the prior art to adopt the overall situation (full frame) to refresh the sudden strain of a muscle screen phenomenon of appearance.
And, the present invention combines the Android system with electronic-paper display screen, set up coordinate system in the Android system, utilize the Android system that the coordinate data of each control is provided like this, need not processing unit and set up coordinate system, the coordinate data of each control is provided, thereby can alleviates the Processing tasks of processing unit, accelerate the refresh rate of display interface.
Based on above-described spirit of the present invention, the present invention also provides a kind of method for refreshing of display interface, described display interface comprises a plurality of controls, each control has corresponding coordinate data, and coordinate data comprises the origin coordinates of control and length and this coordinate data of width of control regions, is that example describes with the coordinate data of control shown in Figure 3 two, the coordinate data of control two is { x, y, w, h}, wherein, x, y are the starting point coordinate of control two, and x is a horizontal ordinate, y is an ordinate, w is the width of control two, and h is the height of control two, and the coordinate data of each control is to set up in advance, and be stored in the internal memory, when needs are known the coordinate data of control,, can know the coordinate data of control by the coordinate data of storing in the invoke memory, the method for refreshing of display interface of the present invention does not rebulid coordinate system to each control, determine the coordinate data of each control, with reference to figure 8, this method comprises:
Step S81 obtains the control that next display interface changes with respect to current display interface;
Step S82 obtains the pixel data of the control corresponding display of described variation;
Step S83, pixel data and coordinate data based on the control corresponding display of described variation refresh display interface.
In conjunction with reference to figure 3 and Fig. 4, method for refreshing with better understanding display interface of the present invention, in the specific embodiment of the present invention, step S81, obtaining next display interface (display interface shown in Figure 4) is control two with respect to the control that current display interface (display interface shown in Figure 3) changes, specifically comprise: receive operational order, promptly by choosing text filed one to become and choose text filed two to current display interface; Resolve described operational order, obtain the control that next display interface changes with respect to current display interface, promptly control two.
Step S82, the pixel data that obtains the control corresponding display of described variation comprises: on the basis of the control of the variation that obtains in step S81, and each control has each self-corresponding coordinate data, therefore among the step S82, coordinate data based on the control of described variation, be the coordinate data of control two, obtain control (control two) pixel that corresponding display comprised of described variation; Based on described operational order, promptly by choosing text filed one to become and choose text filed two operational order, the control that generates described variation is the pixel data of the pixel that comprised of control two corresponding display.Another embodiment of pixel data that step S82 obtains the control corresponding display of described variation comprises: on the basis of the control of the variation that obtains in step S81, and each control has each self-corresponding coordinate data, therefore among the step S82, coordinate data based on the control of described variation, be the coordinate data of control two, the control that obtains described variation is the pixel that control two corresponding display are comprised; Based on described operational order, promptly, generate the pixel data of next display interface (display interface shown in Figure 4) by choosing text filed one to become and choose text filed two operational order; The control that extracts described variation from the pixel data of described next display interface is the pixel data of the pixel that comprised of control two corresponding display.
Step S83, the pixel data and the coordinate data of described control corresponding display based on described variation, refreshing display interface comprises: the control based on described variation is the coordinate data of control two, obtains that the control corresponding to described variation is the viewing area of control two in the display interface; With the control of described variation is the viewing area that the pixel data of control two corresponding display refreshes described control corresponding to described variation.
Continue combination with reference to figure 3 and Fig. 4, method for refreshing with better understanding display interface of the present invention, in another embodiment of the present invention, step S81 obtains next display interface and comprises with respect to the control that current display interface changes: the pixel data that obtains current display interface (display interface shown in Figure 3); Reception is to the operational order of current display interface (display interface shown in Figure 3), promptly by choosing text filed one to become and choose text filed two; By choosing text filed one to become and choose text filed two operational orders, generate the pixel data of next display interface (display interface shown in Figure 4) based on described; Relatively the pixel data of next display interface and current display interface obtains the pixel that next display interface changes with respect to current display interface, text filed one and text filed two pixels that comprise; After having determined the pixel that changes, the pixel of determining variation is the control that the control (control two) at the text filed one and text filed two pixel places that comprise changes with respect to current display interface for next display interface, and promptly control two.
Step S82, the described pixel data that obtains the control of described variation comprises: on the basis of step S81, be the coordinate data of control two based on the control of described variation, the control that obtains described variation is the pixel that control two is comprised; The control that extracts described variation from the pixel data of next display interface (display interface shown in Figure 4) is the pixel data of the pixel that comprised of control two.
In this another embodiment of the present invention, step S83 is identical with above-mentioned embodiment of the present invention, does not do at this and gives unnecessary details.
Method for refreshing based on above-described display interface of the present invention, the invention provides a kind of refreshing apparatus of display interface, described display interface comprises a plurality of controls, each control has corresponding coordinate data, coordinate data comprises the origin coordinates of control and length and this coordinate data of width of control regions, coordinate data with control shown in Figure 3 two is that example describes, the coordinate data of control two is { x, y, w, h}, wherein, x, y is the starting point coordinate that is respectively control two, x is a horizontal ordinate, y is an ordinate, w is the width of control two, h is the height of control two, this coordinate is to set up in advance in operating unit, the method for refreshing of display interface of the present invention does not rebulid coordinate system to each control, determine the coordinate data of each control, Fig. 9 is the structured flowchart of the refreshing apparatus of the present invention's first specific embodiment, with reference to figure 9, refreshing apparatus of the present invention comprises: change control acquiring unit 910, be used to obtain the control that next display interface changes with respect to current display interface, with current display interface shown in Figure 3 and next display interface shown in Figure 4 is example, when current display interface shown in Figure 3 becomes next display interface shown in Figure 4, control two right zone variation has taken place, change control acquiring unit 910 and obtain the control two of this variation; Pixel data acquiring unit 920, obtain the pixel data of the control corresponding display of described variation, be example still with current display interface shown in Figure 3 and next display interface shown in Figure 4, after variation control acquiring unit 910 obtained the control two of variation, pixel data acquiring unit 920 obtained the pixel data of control two corresponding display; Show refresh unit 930, pixel data and coordinate data based on the control corresponding display of described variation, refresh display interface, be example still with current display interface shown in Figure 3 and next display interface shown in Figure 4, obtained the pixel data of control two corresponding display at pixel data acquiring unit 920 after, demonstration refresh unit 930 is obtained the pixel data of control two corresponding display from pixel data acquiring unit 920, and refresh to corresponding display, and be updated on the display screen according to the coordinate data of control two correspondences pixel data with control two corresponding display.
In specific embodiments of the invention, changing control acquiring unit 910 comprises: receiving element 911, externally operate when the current display interface input operation being instructed by operating unit, the operational order that this receiving element 911 receives current display interface, be example still with current display interface shown in Figure 3 and next display interface shown in Figure 4, when peripheral operation by operating unit to current display interface input by choosing text filed one to become and choose text filedly two the time, receiving element 911 receives by choosing text filed one to become and choose text filed two operational orders; Resolution unit 912, after receiving element 911 receives the peripheral operation instruction, this outside operational order is sent to resolution unit 912 or obtains the peripheral operation instruction by resolution unit 912 from receiving element 911, and resolve this operational order, result according to the parse operation instruction, obtain the control that next display interface changes with respect to current display interface, with current display interface shown in Figure 3 and next display interface shown in Figure 4 is example, resolution unit 912 is resolved by choosing text filed one to become and choose text filed two operational orders, according to the result of parse operation instruction, obtaining next display interface is control two with respect to the control that current display interface changes.
In a specific embodiment of the present invention, pixel data acquiring unit 920 comprises: pixel acquisition unit 921, coordinate data based on the control of described variation, obtain the pixel that the control corresponding display of described variation is comprised, with current display interface shown in Figure 3 and next display interface shown in Figure 4 is example, pixel acquisition unit 921 is obtained the pixel that control two corresponding display are comprised based on the coordinate data of control two; Pixel data generation unit 922, based on described operational order, generate the pixel data of the pixel that control comprised of described variation, with current display interface shown in Figure 3 and next display interface shown in Figure 4 is example, pixel data generation unit 922 is based on by choosing text filed one to become and choose text filed two operational order, generates the pixel data of the pixel that control two comprised.
Show that refresh unit 930 comprises: regional acquiring unit 931, coordinate data based on the control of described variation, obtain in the display interface viewing area corresponding to the control of described variation, with current display interface shown in Figure 3 and next display interface shown in Figure 4 is example, zone acquiring unit 931 is based on the coordinate data of control two, obtains in the display interface viewing area corresponding to control two; Pixel refresh unit 932, refresh the viewing area of described control corresponding to described variation with the pixel data of the control of described variation, with current display interface shown in Figure 3 and next display interface shown in Figure 4 is example, pixel refresh unit 932 refreshes control two corresponding display with the pixel data of control two, and this is refreshed is updated on the display screen.
With reference to Figure 10, in second specific embodiment of the present invention, the pixel data acquiring unit is different with above-described first specific embodiment of the present invention, change control acquiring unit 910, show that refresh unit 930 is identical with the present invention's first specific embodiment, in this second specific embodiment of the present invention, pixel data acquiring unit 920 ' comprising: pixel acquisition unit 921 ', coordinate data based on the control of described variation, obtain the pixel that the control corresponding display of described variation is comprised, with current display interface shown in Figure 3 and next display interface shown in Figure 4 is example, pixel acquisition unit 921 ', obtain the pixel that control two corresponding display are comprised based on the coordinate data of control two; Pixel data generation unit 922 ', based on described operational order, generate the pixel data of next display interface, with current display interface shown in Figure 3 and next display interface shown in Figure 4 is example, pixel data generation unit 922 ', generate the pixel data of next display interface (display interface shown in Figure 4) based on by choosing text filed one to become and choose text filed two operational order; Pixel data extraction unit 923 ', extract the pixel data of the pixel that the control corresponding display of described variation comprised from the pixel data of described next display interface, with current display interface shown in Figure 3 and next display interface shown in Figure 4 is example, pixel data extraction unit 923 ' extract from the pixel data of next display interface pixel data of the pixel that control two corresponding display are comprised.
Figure 11 is the refreshing apparatus structured flowchart of the display interface of the 3rd specific embodiment of the present invention, with reference to Figure 11, in the 3rd specific embodiment of the present invention, region of variation acquiring unit 910 " comprising: pixel data acquiring unit 911 ", obtain the pixel data of current display interface, with current display interface shown in Figure 3 is example, and promptly the pixel data acquiring unit 911 " obtain the pixel data of display interface shown in Figure 3; Receiving element 912 ", receive operational order, be example with current display interface shown in Figure 3, receiving element 912 " to current display interface receive to current display interface by choosing text filed one to become and choose text filed two operational order; Pixel data generation unit 913 "; based on described operational order; generate the pixel data of next display interface; with current display interface shown in Figure 3 and next display interface shown in Figure 4 is example; pixel data generation unit 913 " generates the pixel data of next display interface (display interface shown in Figure 4) based on by choosing text filed one to become and choose text filed two operational order; Comparing unit 914 "; the pixel data of next display interface of comparison and current display interface; obtain the pixel of variation; with current display interface shown in Figure 3 and next display interface shown in Figure 4 is example; the comparing unit 914 " pixel data that compares next display interface (display interface shown in Figure 4) and current display interface (display interface shown in Figure 3), obtain the pixel of variation, promptly text filed one and text filed two pixels that comprise; Determining unit 915 "; the control of determining the pixel place of described variation is the control of next display interface with respect to the current display interface variation; with current display interface shown in Figure 3 and next display interface shown in Figure 4 is example, determining unit 915, and " control two of determining the text filed one and text filed two pixel places that comprise is the control of next display interface with respect to the current display interface variation.
Pixel data acquiring unit 920 " comprising: pixel acquisition unit 921 ", coordinate data based on the control of described variation, obtain the pixel that control comprised of described variation, with current display interface shown in Figure 3 and next display interface shown in Figure 4 is example, pixel acquisition unit 921 " based on the coordinate data of control two, obtain the pixel that control two is comprised; Pixel data extraction unit 922 "; extract the pixel data of the pixel that control comprised of described variation from the pixel data of described next display interface; with current display interface shown in Figure 3 and next display interface shown in Figure 4 is example, pixel data extraction unit 922 " extracts the pixel data of the pixel that control two comprised from the pixel data of next display interface (display interface shown in Figure 4).
In the 3rd specific embodiment of the refreshing apparatus of display interface of the present invention, show that refresh unit 930 is identical with second specific embodiment with first specific embodiment, do not do at this and to give unnecessary details, its principle of work is: with current display interface shown in Figure 3 and next display interface shown in Figure 4 is example, zone acquiring unit 931 is based on the coordinate data of control two, obtains in the display interface viewing area corresponding to control two; Pixel refresh unit 932, refresh the viewing area of described control corresponding to described variation with the pixel data of the control of described variation, with current display interface shown in Figure 3 and next display interface shown in Figure 4 is example, pixel refresh unit 932 refreshes control two corresponding display with the pixel data of control two, and this is refreshed is updated on the display screen.
The refreshing apparatus of display interface and the pixel data that method for refreshing only refreshes definite control coordinate correspondence of refreshing of the present invention refreshed by the overall situation (full frame) and to be converted to the part and to refresh, and improves the refresh rate of display screen, the sudden strain of a muscle screen phenomenon of avoiding the overall situation to refresh being occurred.
The above only is specific embodiments of the invention; in order to make those skilled in the art better understand spirit of the present invention; yet protection scope of the present invention is not a limited range with the specific descriptions of this specific embodiment; any those skilled in the art is in the scope that does not break away from spirit of the present invention; can make an amendment specific embodiments of the invention, and not break away from protection scope of the present invention.
Claims (23)
1. a display device is characterized in that, comprising:
Display screen is used to export display interface, and described display interface comprises a plurality of controls;
Operating unit is used to obtain the control that next display interface changes with respect to current display interface and the coordinate data corresponding with the control of described variation is provided;
Processing unit is used to obtain the pixel data of the control corresponding display of described variation;
Driver element is used for the coordinate data based on the control correspondence of described variation, and transmission is corresponding to the display command of the viewing area of the control of described variation;
Control module is used to receive the display command that described driver element sends, and based on the pixel data of the control corresponding display of described variation, refreshes in the display interface viewing area corresponding to the control of described variation.
2. display device as claimed in claim 1 is characterized in that, described coordinate data comprises the origin coordinates of control and the length and the width of control regions.
3. display device as claimed in claim 1 is characterized in that described operating unit is mounted with Android operating system.
4. display device as claimed in claim 1 is characterized in that, described display screen is an electronic-paper display screen.
5. display device as claimed in claim 1 is characterized in that described driver element is embedded in the described operating unit.
6. the display interface method for refreshing of each described display device of claim 1 to 5 is characterized in that, comprising:
Described processing unit receives the operational order of current display interface and sends operating unit to;
Described operating unit is resolved described operational order, obtains the control that next display interface changes with respect to current display interface, and provides coordinate data corresponding to the control of described variation to described processing unit and driver element;
Described processing unit obtains the pixel that control comprised of described variation based on the coordinate data of the control of described variation, and based on described operational order, generate described variation the pixel that control comprised pixel data and send to described control module;
Described driver element is based on the coordinate data of the control correspondence of described variation, sends display command corresponding to the viewing area of the control of described variation to described control module;
Described control module is based on the pixel data of the pixel that control comprised of described display command and described variation, refreshes in the display interface viewing area corresponding to the control of described variation, and exports the described display interface that refreshes to described display screen.
7. the display interface method for refreshing of each described display device of claim 1 to 5 is characterized in that, comprising:
Described processing unit obtains the pixel data of current display interface, reception is to the operational order of current display interface, generate the pixel data of next display interface based on described operational order, and send the pixel data of described current display interface and the pixel data of next display interface to described driver element;
Described driver element compares the pixel data of next display interface and current display interface, obtain the pixel of variation, determine the control that the control at the pixel place of described variation changes with respect to current display interface for next display interface and send described operating unit to;
Described operating unit provides coordinate data corresponding to the control of described variation to described processing unit and driver element;
Described processing unit is based on the coordinate data of the control of described variation, obtain the pixel that control comprised of described variation, extract from the pixel data of described next display interface described variation the pixel that control comprised pixel data and send to described control module;
Described driver element is based on the coordinate data of the control correspondence of described variation, sends display command corresponding to the viewing area of the control of described variation to described control module;
Described control module is based on the pixel data of the pixel that control comprised of described display command and described variation, refreshes in the display interface viewing area corresponding to the control of described variation, and exports the described display interface that refreshes to described display screen.
8. the method for refreshing of a display interface, described display interface comprises a plurality of controls, each control has corresponding coordinate data, it is characterized in that, comprising:
Obtain the control that next display interface changes with respect to current display interface;
Obtain the pixel data of the control corresponding display of described variation;
Pixel data and coordinate data based on the control corresponding display of described variation refresh display interface.
9. the method for refreshing of display interface as claimed in claim 8 is characterized in that, described coordinate data comprises the origin coordinates of control and the length and the width of control regions.
10. the method for refreshing of display interface as claimed in claim 8 is characterized in that, described next display interface that obtains comprises with respect to the control that current display interface changes:
Reception is to the operational order of current display interface;
Resolve described operational order, obtain the control that next display interface changes with respect to current display interface.
11. the method for refreshing of display interface as claimed in claim 10 is characterized in that, the described pixel data that obtains the control corresponding display of described variation comprises:
Based on the coordinate data of the control of described variation, obtain the pixel that the control corresponding display of described variation is comprised;
Based on described operational order, generate the pixel data of the pixel that the control corresponding display of described variation comprised.
12. the method for refreshing of display interface as claimed in claim 10 is characterized in that, the described pixel data that obtains the control corresponding display of described variation comprises:
Based on the coordinate data of the control of described variation, obtain the pixel that the control corresponding display of described variation is comprised;
Based on described operational order, generate the pixel data of next display interface;
Extract the pixel data of the pixel that the control corresponding display of described variation comprised from the pixel data of described next display interface.
13. the method for refreshing of display interface as claimed in claim 8 is characterized in that, described next display interface that obtains comprises with respect to the control that current display interface changes:
Obtain the pixel data of current display interface;
Reception is to the operational order of current display interface;
Based on described operational order, generate the pixel data of next display interface;
Relatively the pixel data of next display interface and current display interface obtains the pixel of variation;
The control of determining the pixel place of described variation is the control of next display interface with respect to the current display interface variation.
14. the method for refreshing of display interface as claimed in claim 13 is characterized in that, the described pixel data that obtains the control of described variation comprises:
Based on the coordinate data of the control of described variation, obtain the pixel that control comprised of described variation;
Extract the pixel data of the pixel that control comprised of described variation from the pixel data of described next display interface.
15. the method for refreshing of display interface as claimed in claim 8 is characterized in that, the pixel data and the coordinate data of described control corresponding display based on described variation refresh display interface and comprise:
Based on the coordinate data of the control of described variation, obtain in the display interface viewing area corresponding to the control of described variation;
Refresh the viewing area of described control corresponding to described variation with the pixel data of the control corresponding display of described variation.
16. the refreshing apparatus of a display interface, described display interface comprises a plurality of controls, and each control has corresponding coordinate data, it is characterized in that, comprising:
Change the control acquiring unit, obtain the control that next display interface changes with respect to current display interface;
The pixel data acquiring unit obtains the pixel data of the control corresponding display of described variation;
Show refresh unit, pixel data and coordinate data based on the control corresponding display of described variation refresh display interface.
17. the refreshing apparatus of display interface as claimed in claim 16 is characterized in that, described coordinate data comprises the origin coordinates of control and the length and the width of control regions.
18. the refreshing apparatus of display interface as claimed in claim 16 is characterized in that, described variation control acquiring unit comprises:
Receiving element receives the operational order to current display interface;
Resolution unit is resolved described operational order, obtains the control that next display interface changes with respect to current display interface.
19. the refreshing apparatus of display interface as claimed in claim 18 is characterized in that, described pixel data acquiring unit comprises:
Pixel acquisition unit based on the coordinate data of the control of described variation, is obtained the pixel that the control corresponding display of described variation is comprised;
The pixel data generation unit based on described operational order, generates the pixel data of the pixel that control comprised of described variation.
20. the refreshing apparatus of display interface as claimed in claim 18 is characterized in that, described pixel data acquiring unit comprises:
Pixel acquisition unit based on the coordinate data of the control of described variation, is obtained the pixel that the control corresponding display of described variation is comprised;
The pixel data generation unit based on described operational order, generates the pixel data of next display interface;
The pixel data extraction unit extracts the pixel data of the pixel that the control corresponding display of described variation comprised from the pixel data of described next display interface.
21. the refreshing apparatus of display interface as claimed in claim 16 is characterized in that, described variation control acquiring unit comprises:
The pixel data acquiring unit obtains the pixel data of current display interface;
Receiving element receives the operational order to current display interface;
The pixel data generation unit based on described operational order, generates the pixel data of next display interface;
Comparing unit, relatively the pixel data of next display interface and current display interface obtains the pixel of variation;
Determining unit determines that the control at the pixel place of described variation is the control of next display interface with respect to the current display interface variation.
22. the refreshing apparatus of display interface as claimed in claim 21 is characterized in that, described pixel data acquiring unit comprises:
Pixel acquisition unit based on the coordinate data of the control of described variation, is obtained the pixel that control comprised of described variation;
The pixel data extraction unit extracts the pixel data of the pixel that control comprised of described variation from the pixel data of described next display interface.
23. the refreshing apparatus of display interface as claimed in claim 16 is characterized in that, described demonstration refresh unit comprises:
The zone acquiring unit based on the coordinate data of the control of described variation, obtains in the display interface viewing area corresponding to the control of described variation;
The pixel refresh unit refreshes the viewing area of described control corresponding to described variation with the pixel data of the control of described variation.
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Application publication date: 20111123 |