CN102663796B - Animation processing method and device for open graphic library - Google Patents
Animation processing method and device for open graphic library Download PDFInfo
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- CN102663796B CN102663796B CN201210112052.9A CN201210112052A CN102663796B CN 102663796 B CN102663796 B CN 102663796B CN 201210112052 A CN201210112052 A CN 201210112052A CN 102663796 B CN102663796 B CN 102663796B
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Abstract
The embodiment of the invention discloses an animation processing method and device for an open graphic library. The method comprises the following steps: obtaining a predefined animation resource data structure which comprises texture data parameters and play speed parameters, obtaining the texture data and the play speed of source data from the loaded source data, respectively assigning values to the texture data and the play speed of the obtained source data to the texture data parameters and the play speed parameters in the animation resource data structure, initializing an open graphic library interface and starting an open graphic library rendering process, reading the animation resource data structure, and using the texture data in the resource data structure to perform texture mapping on an object region of the open graphic library interface according to the play speed. Image frames are rendered and controlled through the animation resource data structure, and the operation of building a thread for each dynamic element is not required, so that the system resource consumption can be reduced.
Description
Technical field
The present invention relates to cartoon technique field, particularly a kind of animation processing method of open graphic library and device.
Background technology
Open graphic library (Open Graphics Library, Opengl) is a kind of graphic package interface, and Opengl does not support dynamic texture, does not support the primary support of animation that is:.Therefore, many times need to add animation in the graphic image program based on opengl, for example: Geographic Information System (geographic information system, GIS) application, GIS comprises: base map, vector and focus, wherein focus general use static images performance at present; But how dynamic focus expressive force will, considerably beyond static focus, therefore can add dynamic focus in this system, and becoming is an important problem.
In the heuristic process of other graphic package interface, there is certain methods to be once used for realizing the object that adds animation, as: the disposal route of multithreading.The disposal route of multithreading is generally: open a thread for each dynamic element and process.Based on device resource, restriction can realize expected effect at present in the situation that dynamic element is less.
Inventor finds in the process that realizes the embodiment of the present invention, and there are the following problems for the disposal route of multithreading, because dynamic element of every increase need to be opened a thread, will consume so more system resource.
Summary of the invention
The embodiment of the present invention provides a kind of animation processing method and device of open graphic library, for reducing system resources consumption.
An animation processing method for open graphic library, comprising:
Obtain predefined animation resource data structure; Animation resource data structure comprises: data texturing parameter and broadcasting speed parameter;
From the source data loading, obtain data texturing and the broadcasting speed of source data;
Give data texturing parameter and the broadcasting speed parameter in described animation resource data structure by the data texturing of the source data getting and broadcasting speed difference assignment;
Initialization open graphic library interface also starts open graphic library interface and plays up process;
Read animation resource data structure, and use the data texturing in described resource data structure to carry out texture mapping to the target area at described open graphic library interface according to described broadcasting speed.
A video processing apparatus for open graphic library, comprising:
Structure acquiring unit, for obtaining predefined animation resource data structure; Animation resource data structure comprises: data texturing parameter and broadcasting speed parameter;
Data capture unit, for obtaining data texturing and the broadcasting speed of source data from the source data loading;
Assignment unit, for distinguishing data texturing parameter and the broadcasting speed parameter of assignment to described animation resource data structure by the data texturing of the source data getting and broadcasting speed;
Interface control unit, for initialization open graphic library interface and start open graphic library interface and play up process;
Playing control unit, for reading animation resource data structure, is used the data texturing in described resource data structure to carry out texture mapping to the target area at described open graphic library interface according to described broadcasting speed.
As can be seen from the above technical solutions, the embodiment of the present invention has the following advantages: by animation resource data structure, picture frame is played up and controlled, do not need to open a thread for each dynamic element, therefore can reduce system resources consumption.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing of required use during embodiment is described is briefly introduced, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is embodiment of the present invention method flow schematic diagram;
Fig. 2 is embodiment of the present invention apparatus structure schematic diagram;
Fig. 3 is another apparatus structure schematic diagram of the embodiment of the present invention;
Fig. 4 is another apparatus structure schematic diagram of the embodiment of the present invention;
Fig. 5 is another apparatus structure schematic diagram of the embodiment of the present invention.
Embodiment
In order to make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, the present invention is described in further detail, and obviously, described embodiment is only a part of embodiment of the present invention, rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skills, not making all other embodiment that obtain under creative work prerequisite, belong to the scope of protection of the invention.
The embodiment of the present invention provides a kind of animation processing method of open graphic library, as shown in Figure 1, comprising:
101: obtain predefined animation resource data structure; Animation resource data structure comprises: data texturing parameter and broadcasting speed parameter;
Subsequent embodiment will provide concrete example explanation with regard to the definition of animation resource data structure.
102: the data texturing and the broadcasting speed that from the source data loading, obtain source data;
Source data is that image frame data can have many types, can be: graphic interchange format (Graphics Interchange Format, GIF) file or video file etc. all can, also can be the still image of multiframe formed objects, the embodiment of the present invention also will not limit this, just can obtain data texturing and broadcasting speed by the loading to source data and decoding, can also obtain the information such as frame number of image.
103: give data texturing parameter and the broadcasting speed parameter in above-mentioned animation resource data structure by the data texturing of the source data getting and broadcasting speed difference assignment;
104: initialization open graphic library interface also starts open graphic library interface and plays up process;
The initialization of open graphic library will provide concrete example explanation in subsequent embodiment.
105: read animation resource data structure, and use the data texturing in above-mentioned resource data structure to carry out texture mapping to the target area at above-mentioned open graphic library interface according to above-mentioned broadcasting speed.
Adopt embodiment of the present invention method, by animation resource data structure, picture frame is played up and controlled, do not need to open a thread for each dynamic element, therefore can reduce system resources consumption.
It should be noted that: above-mentioned target area is two or more.Target area also can only have one.If target area has two or more, use an animation resource data structure just can realize the broadcasting of multiple animations.Source data can have a lot, all can adopt above scheme, repeats no longer one by one for the realization of each data source.
Further, above-mentioned animation resource data structure also comprises: frame number parameter; Said method also comprises: the frame number that obtains source data from the source data loading; Give the frame number parameter in above-mentioned animation resource data structure by the frame number assignment getting.Frame number parameter can be for the control to animation frame number.
Further, animation resource data structure also comprises: animation resource identification parameter; Said method also comprises: generate the animation resource identification corresponding with source data; And give the animation resource identification parameter in above-mentioned animation resource data structure by the animation resource identification assignment generating.Adopt animation mark can distinguish different animations, can be for distinguishing different animations when controlling multiple animation at the same time.
Alternatively, above-mentioned data texturing parameter is texture array; The data texturing that obtains source data from the source data loading comprises: the picture frame that obtains source data from the source data loading; Above-mentionedly comprise the data texturing assignment of the source data getting to the data texturing parameter in above-mentioned animation resource data structure: to deposit texture array according to the DISPLAY ORDER of the picture frame of above-mentioned source data.The present embodiment has provided the implementation of depositing data texturing by array, it should be noted that data texturing deposits and also may have other data file layout, and the embodiment of the present invention will not limit this.Because the data texturing of source data is random length, texture array is preferably arranged to the array of random length.
Alternatively, the target area similar fitgures each other at above-mentioned data texturing figure and above-mentioned open graphic library interface.Similar fitgures can be realized the expression effect of animation.
Further, said method also comprises: obtain the current system time; Be that above-mentioned data texturing is set up texture mapping index according to above-mentioned current system time and broadcasting speed; Using data texturing in above-mentioned resource data structure to carry out texture mapping to the target area at above-mentioned open graphic library interface according to above-mentioned broadcasting speed comprises: according to the data texturing of above-mentioned texture mapping index in above-mentioned resource data structure, texture mapping is carried out in the target area at above-mentioned open graphic library interface.More than provide the control program of broadcasting speed for example, it should be noted that it is not unique implementation that the embodiment of the present invention is carried out speed control that the velocity information that uses system time to carry in conjunction with source data is set up texture mapping index, the embodiment of the present invention will not limit this.
Further, said method, also comprises: detection system refreshing frequency, if system refresh frequency, lower than preset frequency, is played up open graphic library interface process dormancy setting-up time.Because the program operation logic of graph image program is to play up thread constantly to play up according to the variation of variable, generally can cause the utilization of resources of system higher; Therefore, can in the case of refreshing frequency to system require not too harsh (for example < 30fps), in thread, add dormancy playing up, as sleep (10) is set, can greatly reduce the utilization of resources of program in system.
Be example take source data as gif file, the embodiment of the present invention is illustrated.The embodiment of the present invention need to be only each class graphic interchange format (Graphics Interchange Format, GIF) create a texture array resource, and source data is loaded in texture array resource and (can extracts image frame data wherein by the GIFA decoding storehouse of increasing income, also may adopt alternate manner to extract image frame data wherein), the source data being written into is different and difference to some extent depending on different data layout, be decoded into the picture frame data of a frame frame as gif can use decoding storehouse, be then loaded in texture array by playing sequence.Then, the broadcasting of animation and play up to process and only need process and control by several dynamic parameters, every a texture resource data can be played up any number of dynamic instance.Can be by parameter control broadcasting speed.Be implemented as follows:
One, animation resource data initialization
1, definition animation resource data structure
Wherein, the identifier that id is animation, the number of the texture that frame is animation (texture number: the frame number of animation), speed is the display speed of animation for this reason, constant speed can be made as 1, texture[] be texture array.
Wherein, the effect of id field is that the data in explanation data structure can be used as unique resource existence, the benefit of doing is like this to create in many places or many places while using the data of same animation, only needs to specify the specific animation data id using, reduce data repeat create and storage; In the situation that there is more animation resource, can carry out searching and calling of resource by id.
Speed field is the broadcasting speed of animation, because the speed of the animation in each resource may be different, can regulate by this parameter.
Texture[] for data texturing, (texture refers to: even if the texture body surface of body surface presents rough rill, be also included within the multicolour pattern on the smooth surface of object simultaneously, conventionally we are referred to as decorative pattern more), it is random length array, before source data not being decoded, cannot know in source data totalframes, depositing the data texturing Mobile state Memory Allocation of advancing.The advantage of doing is like this no matter whether the frame number in source data is identical, all uses same data structure, for managing a large amount of animation Resource Supply bases.
2, making of cartoon resource example
Making of cartoon resource example texAryInfo gifInfo (this animation example also can directly adopt animation resource data structure):
According to the DISPLAY ORDER of picture frame, source data picture frame is loaded in the structure of animation resource example.The embodiment of the present invention, for the type of source data, is not particularly limited, as gif file or video file etc. all can, also can be the still image of multiframe formed objects, only need final data can meet the requirement of animation resource data structure just passable.
3, animation resource instance parameter assignment
Obtain frame number and the display speed (display speed can be also time delay, and effect is identical) of the picture frame of source data here, assignment is to the corresponding member of animation resource example; The mode generating identification symbol that wherein generation of the identifier of animation resource can be by increasing progressively, also can make otherwise to generate as long as guarantee to be identified at uniqueness in system just passable, the then id member to texture resource example by its assignment.
Two, opengl window initialization
1, opengl initialization, creates the dynamic variable relevant to animation
Opengl initialization, depending on specific environment and difference, this sentences initialization glut Windows is example:
2, start opengl and play up thread (that is: start to play up, or draw), this sentences glut Windows is example:
glutDisplayFunc(display)；
Display () is for playing up call back function.
Three, animation is play
1, use animation resource instance data to carry out texture mapping
Use the data member in the texture array in animation resource example to carry out texture mapping to target location, can be specifically: the polygon of target area is carried out to texture mapping, for creating normal animation effect, the polygonal size (length breadth ratio) of target area need to proportional to the ratio of width to height of data texturing (similar); Target area also can be the polygon of other type, and as triangle etc., texture mapping is carried out in polytype target area, can obtain the animation effect of special-effect (as abnormity etc.).It should be noted that: can use same animation resource example is that multiple (not limitting) target polygon carries out texture mapping, to obtain the effect at the multiple animations of diverse location.
2, change animation variable currentframe (current system time, can for controlling the current residing frame of current scene)
Animation variable currentframe is the moving key factor of animation.In the time playing up end, can upgrade animation variable.The control of animation speed: the relevant variable of control of animation speed has can two, animation variable currentframe, the member speed of animation resource data structure; Wherein the unit of currentframe is microsecond, can be converted into centisecond (consistent with the unit of animation broadcasting speed).In the texture of pinup picture, these two factors that variable is texture index value index, for setting up texture index.Animation by the multiple different frame numbers of animation variable control is play, and can pass through an important data manipulation " mould ", be again mod, machine word calls the turn general use " % " represent.The variation of frame texture index: Index=(currentframe*speed) %frame; Wherein speed is the inverse of GIF picture frame reproduction time, carries out the renewal of currentframe in frame playing process.Adopt the present embodiment can upgrade texture index after playing up at every turn.Wherein play up the process that generally refers to that image creates in video memory, the embodiment of the present invention refers to that process of utilizing the data texturing pinup picture in this animation resource.Be not restricted for other process.
The embodiment of the present invention also provides a kind of video processing apparatus of open graphic library, as shown in Figure 2, comprising:
Playing control unit 205, for reading animation resource data structure, is used the data texturing in above-mentioned resource data structure to carry out texture mapping to the target area at above-mentioned open graphic library interface according to above-mentioned broadcasting speed.
Adopt embodiment of the present invention device, by animation resource data structure, picture frame is played up and controlled, do not need to open a thread for each dynamic element, therefore can reduce system resources consumption.
Further, above-mentioned animation resource data structure also comprises: frame number parameter;
Above-mentioned data capture unit 202, also for obtaining the frame number of source data from the source data loading; Give the frame number parameter in above-mentioned animation resource data structure by the frame number assignment getting.
Further, as shown in Figure 3, animation resource data structure also comprises: animation resource identification parameter; Said apparatus also comprises:
Mark generation unit 301, for generating the animation resource identification corresponding with source data;
Above-mentioned assignment unit 203, also for giving the animation resource identification assignment generating the animation resource identification parameter of above-mentioned animation resource data structure.
Alternatively, above-mentioned data texturing parameter is texture array;
Above-mentioned data capture unit 202, comprises for the data texturing that obtains source data from the source data loading: for obtain the picture frame of source data from the source data loading;
Above-mentioned assignment unit 203, comprises the data texturing assignment of the source data getting to the data texturing parameter of above-mentioned animation resource data structure for above-mentioned: to deposit texture array according to the DISPLAY ORDER of the picture frame of above-mentioned source data.
Further, as shown in Figure 4, said apparatus, also comprises:
Above-mentioned playing control unit 205, specifically for carrying out texture mapping with the data texturing in above-mentioned resource data structure to the target area at above-mentioned open graphic library interface according to above-mentioned texture mapping index.
Further, as shown in Figure 5, said apparatus, also comprises:
It should be noted that, in the video processing apparatus embodiment of above-mentioned open graphic library, included unit is just divided according to function logic, but be not limited to above-mentioned division, as long as can realize corresponding function; In addition, the concrete title of each functional unit also, just for the ease of mutual differentiation, is not limited to protection scope of the present invention.
In addition, one of ordinary skill in the art will appreciate that all or part of step realizing in above-mentioned each embodiment of the method is can carry out the hardware that instruction is relevant by program to complete, corresponding program can be stored in a kind of computer-readable recording medium, the above-mentioned storage medium of mentioning can be ROM (read-only memory), disk or CD etc.
These are only preferably embodiment of the present invention; but protection scope of the present invention is not limited to this; any be familiar with those skilled in the art the embodiment of the present invention disclose technical scope in, the variation that can expect easily or replacement, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claim.
Claims (10)
1. an animation processing method for open graphic library, is characterized in that, comprising:
Obtain predefined animation resource data structure; Animation resource data structure comprises: data texturing parameter and broadcasting speed parameter;
From the source data loading, obtain data texturing and the broadcasting speed of source data;
Give data texturing parameter and the broadcasting speed parameter in described animation resource data structure by the data texturing of the source data getting and broadcasting speed difference assignment;
Initialization open graphic library interface also starts open graphic library interface and plays up process;
Read animation resource data structure, and use the data texturing in described resource data structure to carry out texture mapping to the target area at described open graphic library interface according to described broadcasting speed, described target area has two or more.
2. method according to claim 1, is characterized in that, described animation resource data structure also comprises: frame number parameter and animation resource identification parameter;
Described method also comprises: the frame number that obtains source data from the source data loading; Give the frame number parameter in described animation resource data structure by the frame number assignment getting;
Generate the animation resource identification corresponding with source data; And give the animation resource identification parameter in described animation resource data structure by the animation resource identification assignment generating.
3. method according to claim 1, is characterized in that the target area similar fitgures each other at described data texturing figure and described open graphic library interface.
4. according to method described in claims 1 to 3 any one, it is characterized in that, also comprise: obtain the current system time; Be that described data texturing is set up texture mapping index according to described current system time and broadcasting speed;
Using data texturing in described resource data structure to carry out texture mapping to the target area at described open graphic library interface according to described broadcasting speed comprises:
With the data texturing in described resource data structure, texture mapping is carried out in the target area at described open graphic library interface according to described texture mapping index.
5. according to method described in claims 1 to 3 any one, it is characterized in that, also comprise:
Detection system refreshing frequency, if system refresh frequency, lower than preset frequency, is played up open graphic library interface process dormancy setting-up time.
6. a video processing apparatus for open graphic library, is characterized in that, comprising:
Structure acquiring unit, for obtaining predefined animation resource data structure; Animation resource data structure comprises: data texturing parameter and broadcasting speed parameter;
Data capture unit, for obtaining data texturing and the broadcasting speed of source data from the source data loading;
Assignment unit, for distinguishing data texturing parameter and the broadcasting speed parameter of assignment to described animation resource data structure by the data texturing of the source data getting and broadcasting speed;
Interface control unit, for initialization open graphic library interface and start open graphic library interface and play up process;
Playing control unit, be used for reading animation resource data structure, use the data texturing in described resource data structure to carry out texture mapping to the target area at described open graphic library interface according to described broadcasting speed, described target area has two or more.
7. install according to claim 6, it is characterized in that, described animation resource data structure also comprises: frame number parameter and animation resource identification parameter;
Described data capture unit, also for obtaining the frame number of source data from the source data loading; Give the frame number parameter in described animation resource data structure by the frame number assignment getting;
Described device also comprises:
Mark generation unit, for generating the animation resource identification corresponding with source data;
Described assignment unit, also for giving the animation resource identification assignment generating the animation resource identification parameter of described animation resource data structure.
8. install according to claim 6, it is characterized in that, described data texturing parameter is texture array;
Described data capture unit, comprises for the data texturing that obtains source data from the source data loading: for obtain the picture frame of source data from the source data loading;
Described assignment unit, comprises the data texturing assignment of the source data getting to the data texturing parameter of described animation resource data structure for described: to deposit texture array according to the DISPLAY ORDER of the picture frame of described source data.
9. described in claim 6 to 8 any one, install, it is characterized in that, also comprise:
Unit set up in index, for obtaining the current system time; Be that described data texturing is set up texture mapping index according to described current system time and broadcasting speed;
Described playing control unit, specifically for carrying out texture mapping with the data texturing in described resource data structure to the target area at described open graphic library interface according to described texture mapping index.
10. described in claim 6 to 8 any one, install, it is characterized in that, also comprise:
Dormancy control module, for detection of system refresh frequency, if system refresh frequency, lower than preset frequency, is played up open graphic library interface process dormancy setting-up time.
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| CN106383880B (en) * | 2016-09-13 | 2020-01-24 | 广州视睿电子科技有限公司 | GIF file playing method and system |
| CN106776022B (en) * | 2016-12-09 | 2020-06-12 | 武汉斗鱼网络科技有限公司 | System and method for optimizing CPU utilization rate of game process |
| CN109068165B (en) * | 2018-07-23 | 2022-02-11 | 北京奇艺世纪科技有限公司 | Dynamic graph display method and device |
| CN113271497B (en) * | 2020-02-17 | 2024-03-15 | 腾讯科技（深圳）有限公司 | Video playing method, intelligent terminal, storage medium and program product |
| CN112202751B (en) * | 2020-09-25 | 2022-06-07 | 腾讯科技（深圳）有限公司 | Animation processing method and device, electronic equipment and storage medium |
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| CN1936964A (en) * | 2006-10-20 | 2007-03-28 | 珠海金山软件股份有限公司 | Method for realizing cartoon grain in 3-D scence |
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