CN101488333A - Image display device and display outputting method thereof - Google Patents
Image display device and display outputting method thereof Download PDFInfo
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- CN101488333A CN101488333A CNA2009100060092A CN200910006009A CN101488333A CN 101488333 A CN101488333 A CN 101488333A CN A2009100060092 A CNA2009100060092 A CN A2009100060092A CN 200910006009 A CN200910006009 A CN 200910006009A CN 101488333 A CN101488333 A CN 101488333A
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Abstract
The invention provides an image display device and a display output method thereof. A display screen of the display device supports display of a plurality of layers and the display output method comprises the following steps: obtaining image data needed to be displayed, determining the control icons needed to be displayed, and then writing the image data and the control icons into the frame buffer memory of different layers for superposition display output, therefore, utilizing the image display device and method thereof of the invention to realize relevant businesses can greatly improve the real-time property and flexibility of the image display and reduce the occupation of CPU resource. Meanwhile, the invention is easy to realize and can increase experience of users.
Description
Technical field
The present invention relates to the terminal device technical field, relate in particular to a kind of image display and show output intent.
Background technology
Along with the development of modern communication technology, people's live and work more and more be unable to do without various terminal devices, and the function of various terminal devices also from strength to strength, and a lot of terminal devices all have image display function, such as mobile phone, computing machine, palm PC etc.And mobile phone is exactly a kind of exemplary apparatus wherein.Be the image display function that example illustrates terminal device below with the mobile phone.
Mobile phone on the market generally all has functions such as photograph, shooting, recreation except call function is provided at present, and these functions are the standard configuration of smart mobile phone especially, and 3G mobile is also supported videophone.LCD (Liquid Crystal Display, the liquid crystal display) display screen of mobile phone has generally all been supported a plurality of figure layers at present, such as comprising base (basis) layer, Overlay 1 (first covers) layer, Overlay 2 (second covers) layer from the bottom up.Each layer has independently frame buffer, and application will data presented write frame buffer, afterwards, drives the stack that realizes each figure tomographic image by LCD and shows.
Application need dynamic display images such as photograph, shooting, recreation, these are used and also have control to need to show simultaneously, if be presented at same figure layer, dynamic image and control view data need be write same buffer (buffer memory), so every two field picture all needs by software background image and control view data to be done to write after the hybrid operation again the frame buffer of LCD when showing.Realize this image blend computing by application software, efficient is low, can take higher CPU (central processing unit) resource, can not satisfy the requirement of application such as photograph, shooting, videophone to the image real-time, also the CPU treatment effeciency is had higher requirement simultaneously.
With reference to shown in Figure 1, be image display LCD common display layout exemplary plot, common display is meant: while display image 10 and control 11.With reference to shown in Figure 2, be image display LCD full screen display layout exemplary plot, full screen display is meant: during mobile phone full screen display image 20, the cancellation control shows.
And prior art need be write into dynamic image data and control view data the method for a buffer memory simultaneously, and the full screen display of image and the switching of common display are also lacked dirigibility.
Summary of the invention
Technical matters to be solved by this invention provides a kind of image display and shows output intent, the display efficiency and the dirigibility that improve image display.
In order to solve the problems of the technologies described above, the invention provides a kind of demonstration output intent of image display, the display screen of described display device supports a plurality of figure layers to show that described method comprises:
Obtain the view data that needs demonstration;
Need to determine the control icons of demonstration;
Described view data and control icons are write respectively to superpose in the frame buffer of different figure layers shows output.
Furthermore, write fashionablely when view data and control icons, the figure floor height of said write view data is in the figure of said write control icons layer.
Furthermore, when the needs common display, the figure of said write view data is placed on the said write control icons the figure layer below superpose and show output.
Furthermore, when needs full screen display image, the figure of said write control icons is placed on the said write view data the figure layer below superpose and show output.
Furthermore, by independent establishment image output task, obtain the view data that needs demonstration from image input device repeatedly.
Furthermore, when not needing to show output image, delete described image output task, and close the figure layer of corresponding said write view data.
Furthermore, described control icons is shown output with transparent mode.
Furthermore, described method further comprises: the described view data that gets access to is carried out adjusted size, to adapt to the display size of described display screen.
Furthermore, described method further comprises: the described view data that gets access to is carried out format conversion, to meet the picture format that described display screen is supported.
Furthermore, the figure layer of said write view data is the overlay2 layer; The figure layer of said write control icons is base layer or overlay1 layer.
In order to solve the problems of the technologies described above, the present invention also provides a kind of image display, and the display screen of described display device supports a plurality of figure layers to show that described image display comprises:
The image data acquisition module is used to obtain the view data that needs show;
The control icons acquisition module is used for the control icons of determining that needs show;
Writing module is used for described view data and control icons are write respectively the frame buffer of different figure layers;
Show output module, being used for the view data of the frame buffer of difference figure layer and control icons superposeed shows and exports.
Furthermore, the said write module is further used for described view data write and is higher than the figure layer that described control icons writes.
Furthermore, described demonstration output module is further used for when the needs common display, the figure of said write view data is placed on the said write control icons the figure layer below superpose and show output; When needs full screen display image, the figure of said write control icons is placed on the said write view data the figure layer below superpose and show output.
Furthermore, described image data acquisition module is further used for obtaining the view data that needs demonstration from image input device repeatedly by independent establishment image output task; When not needing to show output image, delete described image output task, and close the figure layer of corresponding said write view data.
Furthermore, described demonstration output module is further used for described control icons is shown output with transparent mode.
Furthermore, described image display also comprises adjusting module, is used for the described view data that gets access to is carried out adjusted size, to adapt to the display size of described display screen; And/or the described view data that gets access to carried out format conversion, to meet the picture format that described display screen is supported.
Furthermore, the said write module is further used for view data is write overlay2 figure layer; Control icons is write base figure layer or overlay1 figure layer.
Image display of the present invention and demonstration output intent thereof, be not only applicable to mobile phone, other have image to show PDA (the Personal Digital Assistant of output demand also to be applicable to game machine etc., personal digital assistant) equipment, and the application that the present invention is fit to is also very wide, can comprise photograph, shooting, the identification of QR (Quick Response, rapid reaction) sign indicating number, recreation, videophone etc., so the present invention has open characteristics.Because LCD display and driving mostly provide the multi-layer image function at present, generally all support the counter-rotating of figure layer, so can support the specific implementation of this method and equipment.Because the present invention writes view data respectively in the frame buffer of different figure layers with control icons,,, reduce taking to cpu resource with greatly improving real-time, the dirigibility that image shows so use the method for describing among the present invention to realize related service.Simultaneously, the present invention simply is easy to realize, more can strengthens user experience.
Description of drawings
Fig. 1 image display LCD common display layout exemplary plot;
Fig. 2 image display LCD full screen display layout exemplary plot;
Fig. 3 is the image output display packing process flow diagram of one embodiment of the invention;
Fig. 4 is the image processing method process flow diagram in the application example of the present invention.
Fig. 5 is the image display structural representation of one embodiment of the invention.
Embodiment
Main thought of the present invention is to obtain after the control icons that needs the view data that shows and determine to need to show, described view data and control icons are write respectively in the frame buffer of different figure layers, and superposeing then shows output.Can realize the full screen display of image and the flexible switching between the common display like this.
Below in conjunction with the drawings and specific embodiments technical solution of the present invention is elaborated.
With reference to shown in Figure 3, be the image output display packing process flow diagram of one embodiment of the invention.The described method of present embodiment comprises:
Step 301: obtain the view data that needs demonstration, need to determine the control icons of demonstration;
Step 302: described view data and control icons are write respectively to superpose in the frame buffer of different figure layers shows output.
Launch, as a kind of preferred implementation of the present invention, the figure floor height of said write view data is in the figure of said write control icons layer.When the needs common display, the figure of said write view data is placed on the said write control icons the figure layer below superpose and show output.When needs full screen display image, the figure of said write control icons is placed on the said write view data the figure layer below superpose and show output.
And obtain the view data that needs demonstration described in the step 301, and can be by independent establishment image output task, obtain the view data that needs demonstration from image input device repeatedly.When not needing to show output image, delete described image output task, and close the figure layer of corresponding said write view data, the expense that can save CPU like this.And if described control icons is shown output with transparent mode, then can be so that dynamic image can more be shown.
Certainly in the practical application, may also exist the view data that gets access to excessive, perhaps display screen is not supported the situation of the picture format of this image, will carry out adjusted size to the described view data that gets access to, to adapt to the display size of described display screen, perhaps the described view data that gets access to is carried out format conversion, to meet the picture format that described display screen is supported.
As preferred implementation of the present invention, the figure layer of said write view data is the overlay2 layer; The figure layer of said write control icons is base layer or overlay1 layer.
Below by the example in the concrete application technical solution of the present invention is carried out exemplary illustration.Should comprise following processing with example:
One, create image output task separately, this task is obtained view data from camera, file, visual telephone repeatedly, these data is write the frame buffer of LCD overlay 2;
Two, use the frame buffer that control icons is write the base layer; Control is used for realizing user interactions control, may be displayed on 1 layer of the base layer of LCD or overlay, is presented at the base layer in this example;
Three, during common display, because base is below overlay 2, so the base layer need be inverted to above the overlay 2; Present the display effect of Fig. 1 this moment.
Four, when not needing to show dynamic output image, deleted image output task is closed overlay 2, can save the expense of CPU like this;
Five, when needs full screen display image, the base layer is inverted to below the overlay 2, just can realize display effect shown in Figure 2; When recovering common display, again the base layer is put into above the overlay 2, has just returned to the display effect of Fig. 1 again;
Six, the control of base layer demonstration comprises that icon and menu item can adopt transparent way, so that dynamic image can more be shown.If that in general the background of menu or icon is arranged to black just can realize float effect on background image of transparent and control, in this example the background colour of control is arranged to black.
With reference to shown in Figure 4, be the image processing method process flow diagram in the application example of the present invention.Described method comprises:
Step 401: number of times (outNum) zero clearing that will obtain image manipulation;
Step 402: judge whether the number of times that obtains operation surpasses the maximal value that allows, and surpasses the maximal value that allows if obtain the number of times of operation, still can not successfully obtain a two field picture, withdraws from the image flow for displaying, finishes; Otherwise execution in step 403;
Step 403: obtain a two field picture from image input devices such as camera or files;
Step 404: judge and describedly obtain whether success of operation, if success, execution in step 405, otherwise then execution in step 402;
Step 405: if the image size of obtaining is then reduced to the size that is less than or equal to LCD display with the size of image greater than the largest amount that LCD can show;
Step 406: if LCD does not support the picture format that obtained, the then picture format that becomes LCD to support this format conversion;
Step 407: view data is write LCD overlay 2 frame buffers,
Step 408: judge whether demonstration output finishes, and finishes if show output, then transfers execution in step 401, otherwise finish the view data treatment scheme.
With reference to shown in Figure 5, be the image display structural representation of one embodiment of the invention.The display screen of described display device supports a plurality of figure layers to show that described image display comprises: image data acquisition module 50, and control icons acquisition module 51, writing module 52 shows output module 53,
Described image data acquisition module 50 is used to obtain the view data that needs show;
Described control icons acquisition module 51 is used for the control icons of determining that needs show;
Said write module 52 is used for described view data and control icons are write respectively the frame buffer of different figure layers;
As preferred implementation of the present invention, described image data acquisition module 50 is further used for obtaining the view data that needs demonstration from image input device repeatedly by independent establishment image output task; When not needing to show output image, delete described image output task, and close the figure layer of corresponding said write view data.Can save the expense of CPU like this.
Said write module 52 is further used for described view data write and is higher than the figure layer that described control icons writes, and a kind of mode wherein is that the said write module writes overlay2 figure layer with view data; Control icons is write base figure layer or overlay1 figure layer.Described demonstration output module 53 is further used for when the needs common display, the figure of said write view data is placed on the said write control icons the figure layer below superpose and show output; When needs full screen display image, the figure of said write control icons is placed on the said write view data the figure layer below superpose and show output.
Described demonstration output module 53 is further used for described control icons is shown output with transparent mode, like this can be so that dynamic image can more be shown.
If in actual applications, also exist the view data that gets access to excessive, perhaps display screen is not supported the situation of the picture format of this image, then described image display also comprises adjusting module 54, be used for the described view data that gets access to is carried out adjusted size, to adapt to the display size of described display screen; And/or the described view data that gets access to carried out format conversion, to meet the picture format that described display screen is supported.
By above-mentioned image display and demonstration output intent thereof, after can realizing that view data and control icons are write in the frame buffer of different figure layers respectively, stack shows output, can improve real-time, dirigibility that image shows, compare with existing image display and image demonstration output intent, more can reduce taking cpu resource.
Need to prove; the above only is the preferable embodiment of the present invention; rather than to the qualification of technical solution of the present invention; anyly be familiar with those of ordinary skills of this technology in the suggested technical scope of the present invention; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.
Claims (14)
1, a kind of demonstration output intent of image display, the display screen of described display device support a plurality of figure layers to show, it is characterized in that described method comprises:
Obtain the view data that needs demonstration;
Need to determine the control icons of demonstration;
Described view data and control icons are write respectively to superpose in the frame buffer of different figure layers shows output.
2, the method for claim 1 is characterized in that, writes fashionablely when view data and control icons, and the figure floor height of said write view data is in the figure of said write control icons layer.
3, the method for claim 1 is characterized in that, when the needs common display, the figure of said write view data is placed on the said write control icons the figure layer below superpose and show output; When needs full screen display image, the figure of said write control icons is placed on the said write view data the figure layer below superpose and show output.
4, the method for claim 1 is characterized in that, by independent establishment image output task, obtains the view data that needs demonstration from image input device repeatedly; When not needing to show output image, delete described image output task, and close the figure layer of corresponding said write view data.
5, the method for claim 1 is characterized in that, described control icons is shown output with transparent mode.
6, the method for claim 1 is characterized in that, further comprises: the described view data that gets access to is carried out adjusted size, to adapt to the display size of described display screen; And/or the described view data that gets access to carried out format conversion, to meet the picture format that described display screen is supported.
7, the method for claim 1 is characterized in that, the figure layer of said write view data is the overlay2 layer; The figure layer of said write control icons is base layer or overlay1 layer.
8, a kind of image display, the display screen of described display device support a plurality of figure layers to show, it is characterized in that described image display comprises:
The image data acquisition module is used to obtain the view data that needs show;
The control icons acquisition module is used for the control icons of determining that needs show;
Writing module is used for described view data and control icons are write respectively the frame buffer of different figure layers;
Show output module, being used for the view data of the frame buffer of difference figure layer and control icons superposeed shows and exports.
9, image display as claimed in claim 8 is characterized in that, the said write module is further used for described view data write and is higher than the figure layer that described control icons writes.
10, image display as claimed in claim 8, it is characterized in that, described demonstration output module is further used for when the needs common display, the figure of said write view data is placed on the said write control icons the figure layer below superpose and show output; When needs full screen display image, the figure of said write control icons is placed on the said write view data the figure layer below superpose and show output.
11, image display as claimed in claim 8 is characterized in that, described image data acquisition module is further used for obtaining the view data that needs demonstration from image input device repeatedly by independent establishment image output task; When not needing to show output image, delete described image output task, and close the figure layer of corresponding said write view data.
12, image display as claimed in claim 8 is characterized in that, described demonstration output module is further used for described control icons is shown output with transparent mode.
13, image display as claimed in claim 8 is characterized in that, described image display also comprises adjusting module, is used for the described view data that gets access to is carried out adjusted size, to adapt to the display size of described display screen; And/or the described view data that gets access to carried out format conversion, to meet the picture format that described display screen is supported.
14, image display as claimed in claim 8 is characterized in that, the said write module is further used for view data is write overlay2 figure layer; Control icons is write base figure layer or overlay1 figure layer.
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| CNA2009100060092A CN101488333A (en) | 2009-01-22 | 2009-01-22 | Image display device and display outputting method thereof |
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| CN101815131A (en) * | 2010-04-23 | 2010-08-25 | 中兴通讯股份有限公司 | Method for refreshing data of mobile terminal and mobile terminal |
| CN101912273A (en) * | 2010-07-23 | 2010-12-15 | 深圳市理邦精密仪器股份有限公司 | Ultrasonic dynamic image processing method and system |
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| WO2012088943A1 (en) * | 2010-12-28 | 2012-07-05 | 惠州Tcl移动通信有限公司 | Device and method for video calls |
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| CN104951262B (en) * | 2014-03-31 | 2019-03-29 | 联想(北京)有限公司 | The display methods and electronic equipment of the image of multiple figure layers |
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| CN105100664A (en) * | 2015-08-21 | 2015-11-25 | 北京金山安全软件有限公司 | Image generation method and device |
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