CN102385497A - Image data processing method and system - Google Patents
Image data processing method and system Download PDFInfo
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- CN102385497A CN102385497A CN2010102679574A CN201010267957A CN102385497A CN 102385497 A CN102385497 A CN 102385497A CN 2010102679574 A CN2010102679574 A CN 2010102679574A CN 201010267957 A CN201010267957 A CN 201010267957A CN 102385497 A CN102385497 A CN 102385497A
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Abstract
The embodiment of the invention discloses an image data processing method and module. In the technical scheme provided by the embodiment of the invention, after first display capability data is obtained, the display capability data is not directly sent to an operating system of a computing device, but second display capability data is formed and is used as the display capability data of a graphics card driving module to be sent to the operating system of the computing device, accordingly, the operating system of the computing device forms image data according to the second display capability data, and sends the first image data to the graphics card driving module, so that the graphics card driving module draws an image according to the second display capability data, and thus the drawing of the image is not limited by the display capability of the graphics card driving module, and the image to be drawn is flexibly controlled via the second display capability data, and thus the remote image is flexibly displayed.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of image processing method and system.
Background technology
The development of Along with computer technology and universal; Through the intercepting computer desktop image in the slave computer of non-display interface (USB interface) or remote display device (like networked projection's machine; Thin-client (thin client)) shows on, become more and more important to realize application such as desktop is shared, remote monitoring, network demonstration.
The inventor is through discovering prior art; At present in the remote image procedure for displaying; Because local display device and distal displayed equipment display capabilities there are differences mostly, make present long-range demonstration can not adapt to distal displayed equipment neatly, in addition; Because need view data be carried out remote transmission, so present distal displayed mode can not adapt to the remote transmission process well.
Summary of the invention
In view of this, the purpose of the embodiment of the invention provides a kind of image processing method and system, to realize that remote image shows flexibly.
For realizing above-mentioned purpose, the embodiment of the invention provides following technical scheme:
A kind of image processing method is applied to a computing equipment, and said computing equipment is connected with at least one remote display device, comprising:
Obtain the first display capabilities data that display capabilities apply for information that the video card driver module sends according to said computing equipment returns;
Form the second display capabilities data, and the said second display capabilities data are sent to the operating system module of said computing equipment;
Receive first view data of the operating system module of said computing equipment according to said second display capabilities data formation, and with said first image data transmission to said at least one remote display device.
Forming the second display capabilities data comprises:
Directly obtain preset display capabilities data as the said second display capabilities data;
Perhaps, form the said second display capabilities data according to the said first display capabilities data;
Perhaps, the display capabilities data according to the said first display capabilities data and said at least one remote display device form the said second display capabilities data.
Said computing equipment is connected with local display device, and said method also comprises:
Form second view data according to the said first display capabilities data and first view data, and with said second image data transmission to said local display device.
Said method also comprises:
The display properties of said second view data and said first view data difference part is set to transparent.
The said second display capabilities data are less than the said first display capabilities data.
Said view data comprises cursor glyph data, vedio data.
A kind of image data processing module is arranged in a computing equipment, and said computing equipment is connected with at least one remote display device, comprising:
Acquiring unit is used to obtain the first display capabilities data that display capabilities apply for information that the video card driver module sends according to said computing equipment returns;
Tectonic element is used to form the second display capabilities data, and the said second display capabilities data are sent to the operating system module of said computing equipment;
Processing unit is used to receive first view data of the operating system module of said computing equipment according to said second display capabilities data formation, and with said first image data transmission to said at least one remote display device.
Said tectonic element comprises:
The first constructor unit is used for directly obtaining preset display capabilities data as the said second display capabilities data;
Perhaps, the second constructor unit is used for forming the said second display capabilities data according to the said first display capabilities data;
Perhaps, the 3rd constructor unit is used for forming the said second display capabilities data according to the display capabilities data of the said first display capabilities data and said at least one remote display device.
Said computing equipment is connected with local display device,
Said processing unit also is used for: form second view data according to the said first display capabilities data and first view data, and with said second image data transmission to said local display device.
Said processing unit also is used for: the display properties of said second view data and said first view data difference part is set to transparent.
It is thus clear that; The technical scheme that the embodiment of the invention provided is after obtaining the first display capabilities data; Be not the operating system that directly these display capabilities data directly is sent to this computing equipment; But form the second display capabilities data; Then the said second display capabilities data are sent to the operating system of said computing equipment as the display capabilities data of said video card driver module, the operating system of this computing equipment will form view data according to these second display capabilities data like this, and will said first image data transmission said video card driver module extremely; Make the video card driver module carry out the drafting of image according to the said second display capabilities data; Thereby make the drafting of image break away from the restriction of video card driver module self display capabilities, can through these second display capabilities data neatly to the image that will draw control, thereby realize that remote image shows flexibly.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiment that put down in writing among the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the process flow diagram of the method that one embodiment of the invention provided;
Fig. 2 another embodiment of the present invention is said the process flow diagram of the method that provides;
Fig. 2-1 is the image display effect synoptic diagram that one embodiment of the invention provided;
Fig. 3 is the application scenarios synoptic diagram of the device that one embodiment of the invention provided;
Fig. 4 is the structural representation of the device that one embodiment of the invention provided.
Embodiment
In order to make those skilled in the art person understand the technical scheme among the present invention better; To combine the accompanying drawing in the embodiment of the invention below; Technical scheme in the embodiment of the invention is carried out clear, intactly description; Obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all should belong to the scope of the present invention's protection.
At first introduce a notion of using in the embodiment of the invention:
The display capabilities data: the display capabilities data in the embodiment of the invention are to be used for describing the video card driver module to the display capabilities of bitmap images (bitmap).Bitmap images also is called dot matrix image or drawing image, is made up of a single point that is called pixel (picture element).Said display capabilities data comprise the video card driver module full-size and shared position (bit) number of each pixel of this bitmap images of the bitmap images that can show.The size of bitmap images is specially maximum number of pixels that bitmap can show on long and cross direction.In the practical application, the shared figure place of each pixel can be 2,4,8,16,24 and 32 colors.The size that length and width and the shared figure place of each pixel of bitmap images through bitmap images just can calculate a bitmap images.For example, 32 true coloured picture sheets of one 1024 * 768 resolution, its shared memory word joint number (Byte) is: 1024 * 768 * 32/8=3072KB, wherein: the conversion relation between bit and Byte and the KB is: 1KB=1024B; 1B=8bit (B=Byte).Please refer to Fig. 1 below.Fig. 1 is a kind of image processing method provided by the invention, and this method is applied to a computing equipment, and said computing equipment is connected with at least one remote display device, and this method comprises:
S101, obtain the first display capabilities data that display capabilities apply for information that the video card driver module sends according to said computing equipment returns;
This computing equipment described in the embodiment of the invention can be a computing machine, also can be the main frame that has the computing function arbitrarily.This remote display device can be the equipment that a display, projector etc. have Presentation Function arbitrarily.
The said first display capabilities data are display capabilities data of said video card driver module.These display capabilities data are attributes of video card driver module self; For example in a certain embodiment, with the display capabilities data bit 1024*768 of video card driver module, 32; The full-size that the bitmap that this video card driver module can show then is described is to show 1024 pixels on the length direction at most; Can show 768 pixels on the Width at most, each pixel accounts for 32, i.e. 4 bytes.For example; The display capabilities data of another video card driver module are 800*600; 24, the full-size that the bitmap that this video card driver module can show then is described is to show 800 pixels on the length direction, can show 600 pixels on the Width; Each pixel accounts for 24, i.e. 3 bytes.
S102, form the second display capabilities data, and the said second display capabilities data are sent to the operating system module of said computing equipment;
First view data that the operating system module of S103, the said computing equipment of reception forms according to the said second display capabilities data, and with said at least one remote display device of said first image data transmission.
Can know through S102 and S103; In the embodiment of the invention; The operating system module of said computing equipment forms first view data according to the said second display capabilities data, and sends at least one remote display device and show for said remote display device.In the embodiment of the invention, these first display capabilities data are different from the said second display capabilities data.These first display capabilities data can be different with the said second display capabilities data on bitmap size and the shared figure place of each pixel.
In an embodiment of the present invention, can represent the size of display capabilities data through the product of the shared figure place of bitmap size and each pixel.A display capabilities data bit 256*256 for example, 24, then the size of these display capabilities data is 256*256*3Byte.
In the practical application, these first display capabilities data can be greater than the said second display capabilities data, also can be less than the said second display capabilities data.
Can form the said second display capabilities data in the practical application in several ways, specifically comprise:
(1) forms the said second display capabilities data according to the said first display capabilities data;
For example the first display capabilities data bit 256*256, reduces display capabilities according to the first display capabilities data, formation 256*128,24 the second display capabilities data by 24.Certainly also can strengthen display capabilities according to the first display capabilities data, for example can form 256*512,24 the second display capabilities data.
(2) the display capabilities data according to the said first display capabilities data and said at least one remote display device form the said second display capabilities data.
The first display capabilities data bit 1024*768 for example, 24, long-range display capabilities data bit 256*256; 24; For the display capabilities in remote display device adapts, can be with the display capabilities data 256*256 of remote display device, 24 as the second display capabilities data.
(3) directly obtain preset display capabilities data as the said second display capabilities data.Should preset display capabilities data can be provided with at random, also can be the display capabilities data of any remote display device, and the present invention does not do qualification to this.
The final demonstration of first view data need be accomplished through the video card driver module, but is that the operating system of this computing equipment is confirmed according to the display capabilities data that this video card drives but draw what kind of image.In the embodiment of the invention; After obtaining the first display capabilities data; Be not the operating system that directly these display capabilities data directly is sent to this computing equipment; But form the second display capabilities data; Then the said second display capabilities data are sent to the operating system of said computing equipment as the display capabilities data of said video card driver module, the operating system of this computing equipment will form view data according to these second display capabilities data like this, and will said first image data transmission said video card driver module extremely; Make the video card driver module carry out the drafting of image according to the said second display capabilities data; Thereby make the drafting of image break away from the restriction of video card driver module self display capabilities, can through these second display capabilities data neatly to the image that will draw control, thereby realize that remote image shows flexibly.
The method that the embodiment of the invention provided is not done qualification to the concrete form of handled bitmap images, for example can be the bitmap images of operation indicating sign, can be to need the bitmap images that shows arbitrarily yet.Operation indicating sign described in the embodiment of the invention can be the cursor corresponding with mouse.Those skilled in the art can know that corresponding to different application programs, the concrete form of this cursor possibly have difference, and for example, in some application program, this cursor is the small arrow of an inclination, in the Another Application program, and this cursor is a small brushes.The method that the embodiment of the invention provided does not receive the restriction of the concrete shape of cursor.
Further, this operation indicating sign can also be and the corresponding cursor of external equipment such as external ruling pen.
Long-range demonstration below in conjunction with the image of the cursor corresponding with mouse is carried out detailed explanation to the method that the embodiment of the invention provided.
Mouse is as main means of man-machine interaction, and the real-time of its demonstration and accuracy directly affect user's experience.Display end hardware when the cursor glyph corresponding with mouse shown, need real-time with the coordinate of the corresponding cursor of mouse under draw shape with the corresponding cursor of mouse; Usually corresponding with mouse cursor per second renewal reach 50 frames when above the user just feel it is smooth, the high Data Update of frequency like this is a very big burden for display terminal.And the size of the operable cursor corresponding with mouse of the display device of host side can reach 256 * 256,32, i.e. 256*256*4 (Byte)=256KB, and so lot of data can reduce the display device performance greatly.
Referring to Fig. 2, the view data that realizes the cursor corresponding with mouse does not influence the performance of remote display device again in the smooth demonstration of the demonstration of remote display device, and the method that the embodiment of the invention provided is:
S201, local host operating system is sent the display capabilities apply for information to the video card driver module;
In the embodiment of the invention, local host operating system is inquired about the display capabilities of said video card driver module through this display capabilities apply for information.
S202 obtains the first display capabilities data that display capabilities apply for information that the video card driver module sends according to said computing equipment returns;
In the embodiment of the invention, using these first display capabilities data is the real display capabilities data of said video card driver module.Suppose the real display capabilities data bit of this video card driver module 1024*768 in the present embodiment, 32, also can be expressed as 1024*768*4Byte.
S203, obtain the display capabilities data of remote display device.
Suppose in this example the display capabilities data bit 800*600 of remote display device, 16, i.e. 800*600*2Byte.
S204, form the second display capabilities data 800*600*2Byte according to the display capabilities data 800*600*2Byte of the first display capabilities data 1024*768*4Byte and remote display device.
In the practical application, display capabilities one highest wisdom of remote display device has the display capabilities of local video card driver module.In order to save the resource of occupying in the data transmission procedure, guarantee that simultaneously the view data of the cursor corresponding with mouse shows in the smoothness of remote display device, generally can select the more weak display capabilities data of display capabilities as the second display capabilities data.
If there are a plurality of remote display device, can select the minimum conduct second display capabilities data of display capabilities data so.
Certainly, if the display capabilities of remote display device is superior to the display capabilities data of local video card driver module, the display capabilities data that can select local video card driver module are as the second display capabilities data.
S205, the said second display capabilities data 800*600*2Byte is sent to the operating system module of said main frame;
The first cursor glyph data that the operating system module of S206, said main frame forms according to the said second display capabilities data 800*600*2Byte, and said cursor glyph data are sent to said remote display device.The data of cursor glyph described in the present embodiment are the cursor glyph data with the corresponding cursor of mouse.
Further; The method that the embodiment of the invention provided; Can also form the second cursor glyph data according to the said first display capabilities data and the first cursor glyph data, and with said second mouse data send said video card driver module draw supply local display device that show with the cursor glyph corresponding cursor of mouse.
The first display capabilities data are performances of the true display capabilities of video card driver module.In general local display device is the demand that can satisfy local video card driver module; So after forming first view data; Can form second view data according to first display capabilities and this first view data, draw the image that supplies local display device according to this second view data.
Can form said second view data through the mode of first view data being carried out convergent-divergent or intercepting, concrete implementation the present invention does not do qualification.
Further, in order to realize on the local display device that images displayed is consistent on the images displayed and remote display device, can said second view data and the display properties of said first view data difference part be set to transparent.Is that example describes with first view data less than the situation of second view data:
For example among the embodiment,, reduce the processing burden of remote display device simultaneously in order to reduce image data transmission amount in the long-range procedure for displaying; Through the method that the embodiment of the invention provided; Formed smaller first view data (200*100*8), and the processing power and the display capabilities of local computing equipment and display device are all stronger, so can form bigger second view data (800*600*3); In order to make local display device and remote display device content displayed synchronous; Can first view data and the display properties of the part that differs of second view data be set to transparently, particularly, first view data is the part of second view data; And that the pixel of the part that both differ all is set to is transparent; For example alignd with said first view data in the upper left corner of first view data, the part that second view data has more than first view data all is set to transparent pixel and gets final product, and concrete condition can be referring to the synoptic diagram shown in Fig. 2-1.Dash area shown in Fig. 2-1 bend is first view data and the discrepant part of second view data, and in order to realize the identical of first view data and the second view data display effect, the attribute of the part of both differences is set to transparent.Like this, the view data of seeing in this locality is exactly identical with long-range images displayed data.
The method that the embodiment of the invention provided; Make the operating system of computing equipment can be according to the second display capabilities data but not the real display capabilities data of video card driver module (i.e. the first display capabilities data) form and supply distal displayed equipment images displayed data (as with the cursor glyph data of the corresponding cursor of mouse etc.); And these second display capabilities data do not receive the restriction of the true display capabilities of said video card driver module; So can through these second display capabilities data neatly to the image that will draw control, thereby realize that remote image shows flexibly.
Referring to application scenarios shown in Figure 3; One embodiment of the invention also provides a kind of image data processing module 301, is arranged in a computing equipment 302, and said computing equipment 302 is connected with at least one remote display device 303; Referring to Fig. 4, this image data processing module 301 comprises:
Acquiring unit 401 is used to obtain the first display capabilities data that display capabilities apply for information that the video card driver module sends according to said computing equipment returns;
In one embodiment of the invention, said tectonic element 402 comprises:
The first constructor unit is used for directly obtaining preset display capabilities data as the said second display capabilities data;
Perhaps, the second constructor unit is used for forming the said second display capabilities data according to the said first display capabilities data;
Perhaps, the 3rd constructor unit is used for forming the said second display capabilities data according to the display capabilities data of the said first display capabilities data and said at least one remote display device.
Preferably, referring to scene shown in Figure 3, said computing equipment 302 is connected with a local display device 304,
Said processing unit 403 also is used for: form second view data according to the said first display capabilities data and first view data, and with said second image data transmission to said local display device.
Further; In order to realize on the local display device that images displayed is consistent on the images displayed and remote display device, said processing unit 403 also is used for: the display properties of said second view data and said first view data difference part is set to transparent.
The image data processing module that the embodiment of the invention provided; Make the operating system of computing equipment can be according to the second display capabilities data but not the real display capabilities data of video card driver module (i.e. the first display capabilities data) form and supply distal displayed equipment images displayed data (like mouse data etc.); And these second display capabilities data do not receive the restriction of the true display capabilities of said video card driver module; So can through these second display capabilities data neatly to the image that will draw control, thereby realize that remote image shows flexibly.
For the convenience of describing, be divided into various unit with function when describing above the device and describe respectively.Certainly, when embodiment of the present invention, can in same or a plurality of softwares and/or hardware, realize the function of each unit.
Description through above embodiment can know, those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential general hardware platform.Based on such understanding; The part that technical scheme of the present invention contributes to prior art in essence in other words can be come out with the embodied of software product; This computer software product can be stored in the storage medium, like ROM/RAM, magnetic disc, CD etc., comprises that some instructions are with so that a computer equipment (can be a personal computer; Server, the perhaps network equipment etc.) carry out the described method of some part of each embodiment of the present invention or embodiment.
Each embodiment in this instructions all adopts the mode of going forward one by one to describe, and identical similar part is mutually referring to getting final product between each embodiment, and each embodiment stresses all is the difference with other embodiment.Especially, for system embodiment, because it is basically similar in appearance to method embodiment, so description is fairly simple, relevant part gets final product referring to the part explanation of method embodiment.
The present invention can be used in numerous general or special purpose computingasystem environment or the configuration.For example: personal computer, server computer, handheld device or portable set, plate equipment, multicomputer system, the system based on microprocessor, set top box, programmable consumer-elcetronics devices, network PC, small-size computer, mainframe computer, comprise DCE of above any system or equipment or the like.
The present invention can describe in the general context of the computer executable instructions of being carried out by computing machine, for example program module.Usually, program module comprises the routine carrying out particular task or realize particular abstract, program, object, assembly, data structure or the like.Also can in DCE, put into practice the present invention, in these DCEs, by through communication network connected teleprocessing equipment execute the task.In DCE, program module can be arranged in this locality and the remote computer storage medium that comprises memory device.
Though described the present invention through embodiment, those of ordinary skills know, the present invention has many distortion and variation and do not break away from spirit of the present invention, hope that appended claim comprises these distortion and variation and do not break away from spirit of the present invention.
Claims (10)
1. an image processing method is applied to a computing equipment, and said computing equipment is connected with at least one remote display device, it is characterized in that, comprising:
Obtain the first display capabilities data that display capabilities apply for information that the video card driver module sends according to said computing equipment returns;
Form the second display capabilities data, and the said second display capabilities data are sent to the operating system module of said computing equipment;
Receive first view data of the operating system module of said computing equipment according to said second display capabilities data formation, and with said first image data transmission to said at least one remote display device.
2. method according to claim 1 is characterized in that, forms the second display capabilities data and comprises:
Directly obtain preset display capabilities data as the said second display capabilities data;
Perhaps, form the said second display capabilities data according to the said first display capabilities data;
Perhaps, the display capabilities data according to the said first display capabilities data and said at least one remote display device form the said second display capabilities data.
3. method according to claim 1 is characterized in that, said computing equipment is connected with local display device, and said method also comprises:
Form second view data according to the said first display capabilities data and first view data, and with said second image data transmission to said local display device.
4. method according to claim 3 is characterized in that, also comprises:
The display properties of said second view data and said first view data difference part is set to transparent.
5. according to any described method of claim 1-3, it is characterized in that the said second display capabilities data are less than the said first display capabilities data.
6. according to any described method of claim 1-3, it is characterized in that said view data comprises cursor glyph data, vedio data.
7. an image data processing module is arranged in a computing equipment, and said computing equipment is connected with at least one remote display device, it is characterized in that, comprising:
Acquiring unit is used to obtain the first display capabilities data that display capabilities apply for information that the video card driver module sends according to said computing equipment returns;
Tectonic element is used to form the second display capabilities data, and the said second display capabilities data are sent to the operating system module of said computing equipment;
Processing unit is used to receive first view data of the operating system module of said computing equipment according to said second display capabilities data formation, and with said first image data transmission to said at least one remote display device.
8. module according to claim 7 is characterized in that, said tectonic element comprises:
The first constructor unit is used for directly obtaining preset display capabilities data as the said second display capabilities data;
Perhaps, the second constructor unit is used for forming the said second display capabilities data according to the said first display capabilities data;
Perhaps, the 3rd constructor unit is used for forming the said second display capabilities data according to the display capabilities data of the said first display capabilities data and said at least one remote display device.
9. module according to claim 7 is characterized in that, said computing equipment is connected with local display device,
Said processing unit also is used for: form second view data according to the said first display capabilities data and first view data, and with said second image data transmission to said local display device.
10. module according to claim 9 is characterized in that,
Said processing unit also is used for: the display properties of said second view data and said first view data difference part is set to transparent.
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| CN102385497B (en) | 2014-07-02 |
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