CN104123742A - Method and player for translating static cartoon picture into two dimensional animation - Google Patents
Method and player for translating static cartoon picture into two dimensional animation Download PDFInfo
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- CN104123742A CN104123742A CN201410346283.5A CN201410346283A CN104123742A CN 104123742 A CN104123742 A CN 104123742A CN 201410346283 A CN201410346283 A CN 201410346283A CN 104123742 A CN104123742 A CN 104123742A
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Abstract
The invention discloses a method and a player for translating a static cartoon picture into a two dimensional animation. The method for translating the static cartoon picture into the two dimensional animation includes: firstly, separating elements in the original picture in a static cartoon into individual small pictures through existing mapping software; then defining parameters of a position coordinate, picture attributes, a moving trail, an animation method and the like of each small picture, and performing various animation methods of encapsulation and defining of animation scripts on effects of an animation which originally need to be drawn frame by frame so as to achieve mathematical and procedural description of an animation process and greatly reduce animation production cost; using the player to load and parse an animation file which is defined through the method for translating the static cartoon picture into the two dimensional animation during the playing process, and loading attributes of each picture file defined in the animation file according to a corresponding control strategy so as to achieve effects of playing the animation. The method and the player for translating the static cartoon picture into the two dimensional animation facilitate production of animation content, which is low in cost and large in scale, and promote rapid development of an animation industry in our country.
Description
Technical field
The present invention relates to multimedia technology field, relate in particular to a kind of method and player that static caricature picture is converted into 2 D animation.
Background technology
Along with the development of picture Processing Technique, utilize the softwares such as Photoshop comparatively easily the element in a secondary static caricature picture to be plucked out and to save as single little picture at present.
Caricature will be made as 2 D animation at present, need to repaint picture frame according to original work content, consume plenty of time and cost, and for cartoon making convenience, the processing such as the texture that meeting is carried out picture to original work is simplified, color is level and smooth, make the image quality of 2 D animation cannot keep the level of original work.Making 2 D animation is generally by the requirement of 24 frame/seconds, be plotted in the picture of each frame, scan in computer and process again, or the mode of directly drawing in the professional drawing softwares such as Photoshop, Corel Painter draws all frames, finally processing all frames by post-processed software splicings such as Premier, After Effect is continuous pictures, and is output as video playback.Cost of manufacture is very high, need to expend the fast development that a large amount of manpowers are worked, affected animation industry.
Along with the development of the novel electron equipment such as mobile phone, panel computer, computing machine and universal, animation is no longer confined to play with the form of video file by traditional audio-visual equipment such as TV, film.On novel electron equipment, it is increasing that user appreciates the demand of animation, in the urgent need to a kind of high-quality, low cost, solution that make efficiency is higher.
Summary of the invention
The object of the invention is to for the deficiencies in the prior art, a kind of method and player that static caricature picture is converted into 2 D animation is provided.
The object of the invention is to be achieved through the following technical solutions: a kind of method that static caricature picture is converted into 2 D animation, comprises the following steps:
(1) caricature picture materials is carried out to pre-service: each in whole secondary caricature picture need to, by the object elements of animate, be separated into single independently little picture, and the blank staying after separating be carried out to handwritten drawings and fill up;
(2) making of cartoon scene: create a rectangular coordinate system, the long measure of definition coordinate system, for a rectangular area of reference position definition is as cartoon scene, and save as the cartoon scene configuration file of an xml form with initial point (0,0);
(3) making of cartoon object: the little picture that step 1 is obtained is loaded in the cartoon scene that step 2 creates, as animate object; The initial attribute of definition animate object, comprising: the angle of the file path of animate object, initial coordinate, size, transparency, blur level, initial rotation, and save as the animate object attribute configuration file of an xml form;
(4) animation effect of definition animate object: animation method and the parameter of definition animate object, described animation method comprises: move, amplify, rotate, jump, fog, bleach, flicker; The animation method of definition and parameter are saved as to animation script;
(5) create scene catalogue, the little picture materials that step 1 is obtained, the cartoon scene configuration file that step 2 obtains, the animate object attribute configuration file that step 3 obtains, the animation script that step 4 obtains are saved in scene catalogue;
(6) repeating step 1-step 5 creates multiple scene catalogues, and index creaties directory simultaneously;
(7) the multiple scene catalogues that step 6 obtained and directory index packing boil down to animation file.
Further, in described step 4, the definition of the parameter of described movement is specially: first define the movement locus of animate object, described movement locus is straight-line equation, parabolic equation, equation of a circle, elliptic equation or bezier curve equation; Then define changes in coordinates, initial time and the time span of animate object.
Further, in described step 4, the definition of the parameter of described amplification is specially: definition animate object zooms in or out multiple, initial time and time span.
Further, in described step 4, the definition of the parameter of described rotation is specially: definition rotation center point coordinate, the anglec of rotation, initial time and time span; Taking current animate object position as starting point, current animate object is radius to the distance of rotary middle point, realizes animate object and rotate around rotary middle point in length at the appointed time the animation effect of the regulation anglec of rotation by equation of a circle.
Further, in described step 4, the definition of the parameter of described jump is specially: definition jump height, number of skips, initial time and time span; Simulation jumps to the peak animation effect of freely falling body again under gravity environment.
Further, the definition of the parameter of described flicker is specially: definition flicker number of times, glimmer lag time, initial time and time span at every turn; The start time of each flicker carries out moment to animate object and hides operation, then in the end time, animate object is carried out to moment demonstration operation.
Further, in described step 4, the definition of the parameter of described bleach is specially: define initial transparency, finish transparency, initial time and time span; Adopt simple and easy Alpha hybrid algorithm, by obtaining the RGB color value of current animate object and lower floor's background, foreground picture layer, Background From Layer are carried out to Color Channel and mix calculating, obtain having the map overlay region, front and back of visually-clear effect; And by certain time interval, calculate the different transparencies in each time interval, finally realize the visually time dependent effect of transparency.
Further, in described step 4, described in the definition of the parameter that fogs be specially: definition initial blur radius, finish blur radius, initial time and time span; Utilize Gaussian Blur algorithm, respectively on two dimensional image in length and breadth two independently the pixel on space carry out the calculating of one dimension Gaussian Blur, remerge two dimensions and obtain final pixel fuzzy value; Thereby realize, the Gaussian Blur of two dimensional image is calculated; Then according to initial blur radius and end blur radius, calculate two temporary layers, and superpose, the figure layer that it calculates for initial blur radius at the middle and upper levels, lower floor finishes the figure layer that blur radius calculates, and allows upper strata figure layer carry out the transparency change of transparency from 0 to 100% in current animation method time span, and figure below layer is along with upper figure layer bleach, progressively show, finally realize the visually animate object effect that blur level changes in time.
A player of playing the animation file of said method generation, comprising:
One file decompress(ion) and Loading Control module: before starting in animation broadcasting, animation file is carried out to decompress(ion), and little picture materials, cartoon scene configuration file, animate object attribute configuration file, animation script that needs are play read and be loaded in internal memory; With
One transmit control module being connected with Loading Control module with file decompress(ion): according to the description of cartoon scene configuration file, animate object attribute configuration file, animation script, carry out animation broadcasting; Specifically comprise:
One scene scheduling unit: all cartoon scenes are carried out to Control and Schedule; Comprise time-out current scene, retreat into the scene of playing before and be switched to fast special scenes; With
One scene and the object control unit being connected with scene scheduling unit: according to the description of cartoon scene configuration file and animate object attribute configuration file, create current scene and animation and play required animate object, and carry out initialization;
The one animation control module being connected with scene and object control unit: according to the definition of animation method in animation script and parameter, carry out the various animation effects of animate object in current cartoon scene.
The invention has the beneficial effects as follows: method and the player that static caricature picture is converted into 2 D animation provided by the invention, by the separation of animate object in static caricature picture is created as to animate object, and define a set of definition of the animation effect based on coordinate system.Based on the secondary development of former caricature picture, greatly reduce the workload that the craft in conventional two-dimensional cartoon making is drawn frame by frame, debugged.The animation effect that originally need to draw frame by frame, by encapsulation and the animation script definition of various animation methods, realize the mathematicization sequencing of animation process and described, thereby greatly reduced cost of manufacture, be a kind of new two-dimension cartoon making and ways of presentation.Be conducive to the extensive output of low cost of animation content, promote the fast development of China's animation industry.
Description of the invention provides for example with for the purpose of describing, and is not exhaustively or limit the invention to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Selecting and describing embodiment is for better explanation principle of the present invention and practical application, thereby and is the various embodiment with various amendments that those of ordinary skill in the art can understand the present invention's design and be applicable to special-purpose.
Brief description of the drawings
Fig. 1 is that the present invention carries out pretreated process flow diagram to the former figure of static caricature;
Fig. 2 is the process flow diagram of making of cartoon scene of the present invention;
Fig. 3 is the process flow diagram of making of cartoon object of the present invention;
Fig. 4 is the structured flowchart of player of the present invention;
Fig. 5 is the process flow diagram of the current cartoon scene of initialization of the present invention;
Fig. 6 is the process flow diagram of the animate object of the current cartoon scene of initialization of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described.
A kind of method that static caricature picture is converted into 2 D animation of the present invention, comprises the following steps:
Step 1: caricature picture materials is carried out to pre-service: need to be by the object elements of animate by each in whole secondary caricature picture, from view picture caricature picture, be separated into single independently little picture, and the blank staying after separating carried out to handwritten drawings and fill up.
As shown in Figure 1, first by the elements such as the various personages in former static caricature figure, article, stage property, setting, each little picture of single PNG that is separated into separately.Specifically comprise the steps:
Step 101: use professional picture processing software, as Photoshop opens the former figure of caricature.
Step 102: selecting certain needs the element of design animation separately, and for example certain personage, pluck out separately and save as independent figure layer, and painting canvas background color is set to transparent.As those of ordinary skill in the art, should be familiar with concrete software operating method.
Step 103: the independent figure layer that step 102 has been separated, carries out picture inspection one by one.Because pluck out in the process of picture element in step 102, will inevitably cause the incomplete of part picture part or damage, need to carry out craft by fine arts personnel and fill up repairing picture.
Step 104: the separation, the figure layer that have completed each element by above-mentioned steps create and check; Then each figure layer is saved as to the little picture of independent PNG one by one.
By above step, complete the pre-service to a former figure of static caricature.
Step 2: making of cartoon scene: create a rectangular coordinate system, the long measure of definition coordinate system, defines a rectangular area as cartoon scene with initial point (0,0) for reference position, and save as the cartoon scene configuration file of an xml form.
As shown in Figure 2, in order to define animation effect in subsequent step, first we create a rectangular coordinate system in step 201, so that size, direction and all kinds of animate object of the description cartoon scene animation effect such as position, movement locus in cartoon scene.In step 202, define px (pixel) for default-length unit, those of ordinary skill in the art should understand the long measure of coordinate system except px, also can use the units such as millimeter, point (pt equals 1/72 inch), number percent, not belong to creative work.Then in step 203, define one with coordinate origin (0,0) for starting point, summit, the lower left corner is that the rectangular area of (0,0) is as cartoon scene.Acquiescence visibility region when cartoon scene is play as animation, the part outside region there will not be in the visible range at screen in the time playing.Finally, in step 204, all parameters of the coordinate system of above step definition and scene are saved as to the cartoon scene configuration file of an xml form.
Below the example of a cartoon scene configuration file:
Step 3: making of cartoon object: the little picture that step 1 is obtained is loaded in the cartoon scene that step 2 creates, as animate object; The initial attribute of definition animate object, comprising: the angle of the file path of animate object, initial coordinate, size, transparency, blur level, initial rotation, and save as the animate object attribute configuration file of an xml form.
Be illustrated in fig. 3 shown below, in cartoon scene, create first animate object, specifically comprise the following steps:
Step 301: the little picture that step 101～104 are obtained reads and is loaded in the cartoon scene of step 201～204 establishment from the corresponding picture directory of local computer disk, is created as animate object;
Step 302: the initial attribute of definition animate object, comprise animate object file path, initial coordinate (x, y), size, transparency, blur level, the initial angle of rotating.Initial coordinate acquiescence is that the center of the minimum rectangle that forms of animate object shape is (according to different development requirements, also can be the point that other can mathematical description, those of ordinary skill in the art adopts other mode description object position coordinateses not belong to creative invention because understanding).In view of picture transparency, the existing many open source literatures of Gaussian Blur algorithm, repeat no more herein.
Step 303: repeating step 301～302 can create multiple different animate objects in current scene.
Step 304: all animate objects that step 301～303 are created and initial attribute save as the animate object attribute configuration file of an xml form.
The attribute of animate object and being described as follows:
Those of ordinary skill in the art should be understood that the definable animate object attribute of the present invention is not limited to aforesaid way, can need to modify or expand according to actual design.
Below the example of an animate object attribute configuration file:
Step 4: the animation effect of definition animate object: animation method and the parameter of definition animate object, described animation method comprises: move, amplify, rotate, jump, fog, bleach, flicker; The animation method of definition and parameter are saved as to animation script;
Below with reference to specific embodiment, describe the embodiment of different animation methods and the concrete meaning of parameter in detail, and the implementation method of the final animation script of preserving.
Method and the parameter of animation effect are as follows:
Move side's ratio juris, emphasis is to define movement locus, movement locus of the present invention supports multiple geometric equation to comprise straight-line equation, parabolic equation, equation of a circle, elliptic equation and bezier curve equation.Then define animate object and move at the appointed time another point along certain point on straight line or the curve of geometric equation definition.Below the code example of realizing Move method, and by the method realize an animate object from (100,200) the Bezier track in since 10s along the present embodiment to the animation effect of (300,500) motion 3s.
Zoom side's ratio juris, the display width by dynamic adjustment animate object picture and highly realizing, in official hour, progressively dynamically adjusts picture width and height by certain speed, reaches the visual effect that zooms in or out.By the common cartoon requirement of 24 frame/seconds, i.e. interior width and the height control that need to carry out to picture minimum 24 times per second.The value of 1/24 second insied width of the speed of adjusting and height change, is defaulted as all frames all identical, visually at the uniform velocity becoming effect large or that diminish.Also the value of every 1/24 second insied width and height change can be made as to difference, realize and visually neglect the fast effect that the slow everybody of change diminishes of neglecting.One skilled in the art will understand that in actual development process and frame per second can be adjusted into 30 frames, 60 frames or other frame per second, but higher frame per second will reach more smooth animation effect, but also can consume more computing power.Be below the code example of realizing zoom method, and realize an animate object and amplified in 3s since the 0th second the animation effect of twice by the method.
Rotate side's ratio juris, is first to determine that a point is the center of circle, is that starting point is radius to the distance in the center of circle from current animate object position, realizes an animate object and rotate around the center of circle at the appointed time the animation effect of some angles by equation of a circle.Be below the code example of realizing Rotate method, and realize an animate object from start position (600,600) by the method, 5s starts in 2s, around the animation effect of 80 ° of (150,420) some rotations.
Jump side's ratio juris, simulates one and jump to the peak animation effect of freely falling body again under gravity environment.Regulation jump height s, each time span t jumping, gravity acceleration g.Calculate the real-time speed in motion process according to the free upthrow of classical physics and free fall law, can realize this Jump method.Be below the code example of realizing Jump method, and realize an animation by the method and in 5s, jump 20 times since 0s, the animation effect that each jump height is 50px.
Blink side's ratio juris, in the start time at official hour interval, animate object to be carried out to moment to hide operation, in the end time, animate object is carried out to moment demonstration operation again, every flicker once once hides animate object, then shows the operation of animate object.Be below the code example of realizing Blink method, and realize an animation since the glimmer animation effect of 10 times of 8s by the method in 2s.
SetTransparency side's ratio juris is by the value of certain setting of transparency change of animate object in official hour.The present invention adopts simple and easy Alpha hybrid algorithm, by obtaining the RGB color value of current animate object and lower floor's background, foreground picture layer, Background From Layer is carried out to Color Channel and mix calculating, obtains having the map overlay region, front and back of visually-clear effect.And acquiescence is by 1/24 second being interval, the fundamental formular of simple and easy Alpha hybrid algorithm: establishing foreground picture layer color value is r1, g1, b1; The color value of Background From Layer is r2, g2, and b2, Aplpha is the transparency in current time interval, r, g, b produces the required front and back map overlay field color of transparent effect in current time interval:
In the time of Alpha=50%,
In the time of Alpha<50%,
In the time of Alpha>50%,
And for example, by certain time interval (1/24 second), calculate the different transparencies in each time interval, finally realize the visually time dependent effect of transparency.
Be below the code example of realizing SetTransparency method, and realize an animate object and become from transparency 0 in 4s since 10s the animation effect of transparency 80% by the method.
The principle of SetBlur, is to utilize disclosed Gaussian Blur algorithm, realizes animate object and is fogged or by fuzzy change effect clearly by clear in official hour.Gaussian Blur algorithm fundamental equation be
r is blur radius, span 0-255, and G is the Gaussian distribution mean value of current pixel point (x, y).In order to improve operation efficiency, the present invention respectively on two dimensional image in length and breadth two independently the pixel on space carry out the calculating of one dimension Gaussian Blur, remerge two dimensions and obtain final pixel fuzzy value.Further, in order to optimize operation efficiency, the present invention is to final blur level change procedure, and calculate frame by frame unlike traditional animation soft, calculate initial blur level and finish blur level but adopt, the result of calculation of initial and final state two temporary layers are out superposeed, then nested SetTransparency method, allow upper strata figure layer carry out transparency change effect, the blur level variation effect finally obtaining is by basically identical the effect of calculating frame by frame with tradition, but because the complexity of the calculating of transparency change is well below Gaussian curve equation, therefore can obviously promote operation efficiency, make animation effect more smooth.Be below the code example of realizing SetBlur method, and realize an animate object and become from blur radius 0px in 2s since 20s the animation effect of blur radius 10px by the method.
The use capable of being combined of different animation methods, to show more complicated combined animation effect.Below realize an animate object in from (0,500) to (1200,500), the animation effect that when rectilinear motion 5s, transparency change is 50%.
Those of ordinary skill in the art should be understood that the definable animation effect method of the present invention is not limited to aforesaid way, can need to modify or expand according to actual design.Part mathematical formulae or algorithm related in the above-mentioned animation effect implementation method of the present invention belong to the ABC that those skilled in the art should possess, and have disclosed data or document to look into, and therefore in the present invention, repeat no more.
The various animation effects of animate object comprise the animate object of effect appointment, concrete animation method, animation parameters, save as animation script.Below the Code Samples of an animation script.
Step 5: create scene catalogue: through above-mentioned steps, complete the definition of the establishment of the little picture materials separation of current scene and preservation, animate object and initial attribute definition, the various animation effects of animate object, obtained respectively little picture materials, cartoon scene configuration file, animate object attribute configuration file, animation script and save as a scene catalogue.
Step 6: repeating step 1-step 5 creates multiple scene catalogues, index creaties directory simultaneously.
Step 7: multiple scene catalogues that step 6 is obtained and directory index packing boil down to animation file.
Animation file is defined a kind of new animation file form (expansion .mtcs by name) by the present invention, and by animation player of the present invention, the animation file of this type of form is loaded, resolved and plays.
As shown in Figure 4, player of the present invention, comprising:
One file decompress(ion) and Loading Control module: before starting in animation broadcasting, animation file is carried out to decompress(ion), and little picture materials, cartoon scene configuration file, animate object attribute configuration file, animation script that needs are play read and be loaded in internal memory; With
One transmit control module being connected with Loading Control module with file decompress(ion): according to the description of cartoon scene configuration file, animate object attribute configuration file, animation script, carry out animation broadcasting; Specifically comprise:
One scene scheduling unit: all cartoon scenes are carried out to Control and Schedule; Comprise time-out current scene, retreat into the scene of playing before and be switched to fast special scenes; With
One scene and the object control unit being connected with scene scheduling unit: according to the description of cartoon scene configuration file and animate object attribute configuration file, create current scene and animation and play required animate object, and carry out initialization;
The one animation control module being connected with scene and object control unit: according to the definition of animation method in animation script and parameter, carry out the various animation effects of animate object in current cartoon scene.
Principle and the embodiment of player in the present invention are described below in conjunction with embodiment.Player of the present invention, by the parsing of the animation file form to the present invention's making (expansion .mtcs by name), playing animation on the equipment such as mobile phone, panel computer, reaches and reproduces the animation effect defining in manufacturing process.
(1) file decompress(ion) and Loading Control module 41
Be responsible for resolving animation file, read little picture materials resource, cartoon scene configuration file, animate object attribute configuration file, animation script in animation file, and according to the sequencing of cartoon scene, load one by one successively cartoon scene in internal memory taking cartoon scene as unit, after current cartoon scene finishes, in internal memory, destroy current scene.
(2) scene scheduling unit 421
Scene scheduling unit 421 is connected with scene and object control unit 422, is responsible for controlling the playing sequence of cartoon scene, and order and the behavior of playing according to player steering order control scene.
In the present invention, the instruction of animation player comprises:
| Player instruction title | Explanation |
| Start | Suspending after current scene, continuing to play current scene |
| Suspend | Suspend and then and there play |
| Fast switching scene | Specify and load certain scene according to scene index |
Under default situations, scene scheduling unit 421, according to the order of cartoon scene catalogue in scene index, sends message to successively scene and object control unit 422, and scene and object control unit 422 complete the initialization of cartoon scene and animate object according to message.
Player steering order comprises: beginning, time-out, fast switching scene.In current scene playing process, player can suspend current cartoon scene by scene scheduling unit, suspend the animation method of carrying out all animate objects in current cartoon scene, and being cached in storehouse the working time of current scene, scene properties, animate object attribute, animate object position coordinates, animation method and executed time thereof.In the time that player sends sign on, from storehouse, recover above-mentioned data, continue to carry out the animation method of all animate objects in current scene.
According to user's operational design of player, the function that player can provide cartoon scene list to browse, open fast certain cartoon scene, in similar e-book according to catalogue rapid page function.In the time that player sends the instruction that is switched to fast certain given scenario, scene scheduling unit, stops the broadcasting of current scene, and in internal memory, destroys current scene.Send message, the cartoon scene of certain appointment of initialization then to scene and object control unit 422.
(3) scene and object control unit 422
Scene and object control unit 422 are connected with scene scheduling unit 421, according to the instruction of scene scheduling unit 421, carry out the initialization of cartoon scene and the initialization of animate object.
1. the current cartoon scene of initialization
Complete to the decompress(ion) of animation file with after loading at file decompress(ion) and Loading Control module 41, the scene of transmit control module 42 and object control unit 422 are according to reading first cartoon scene configuration file, according to the description initialization scene of cartoon scene configuration file in scene directory index.
As shown in Figure 5, cartoon scene initialization comprises the following steps: in step 51, player reads cartoon scene configuration file, obtain coordinate system and the defined parameters to current scene, then the device screen true resolution obtaining in step 52, carry out again the judgement of current cartoon scene length breadth ratio and device screen length breadth ratio, as current cartoon scene length breadth ratio is more than or equal to device screen length breadth ratio, adopt by step 54 principle that adapts to screen by the long limit 100% of cartoon scene, carry out coordinate system convergent-divergent.And draw cartoon scene rectangular area.As current cartoon scene length breadth ratio is less than device screen length breadth ratio, adopt by step 55 principle that adapts to screen by cartoon scene broadside 100%, carry out coordinate system convergent-divergent.And draw cartoon scene rectangular area.Finally complete the initialization of cartoon scene.
The adaptation strategies that the present invention adopts is constant for guaranteeing aspect ratio of the picture example, makes that cartoon scene is complete to be presented in device screen by uniform zoom.Those of ordinary skill in the art should be understood that the adaptive mode of cartoon scene coordinate system and device screen is not limited to this one of the present invention, and demand when those of ordinary skill can be implemented according to reality is adjusted screen adaptation strategies, but does not belong to creative invention.Adaptation strategies under the present invention is the strategy of thinking at present best.Such as also adopting the non-geometric ratio of cartoon scene coordinate system to stretch to fill screen, cartoon picture may metamorphopsic distortion; As adopt cartoon scene length: screen length and cartoon scene width: the equal proportion convergent-divergent that in the ratio of screen width, higher value carries out cartoon scene coordinate system cartoon picture may some be presented at outside device screen, and user cannot see complete picture.
The animate object of 2. initialization current scene
In step 51-55, complete after establishment and initialization cartoon scene, as shown in Figure 6, first read xml form animate object attribute configuration file, the embodiment of an animate object attribute configuration file according to the present invention, each animate object and initial attribute thereof are included in an xml Archive sit, according to the parsing of xml file, create successively first animate object, and the initial attribute of initialization animate object; Then repeat abovementioned steps, create second animate object, until the establishment of all animate objects is complete, and complete the initialization of all animate object initial attributes.
(4) animation control module 423
Animation control module 423 is connected with scene and object control unit 422, and after scene and object control unit 422 complete the initialization of cartoon scene and the initialization of animate object, animation control module 423 reads the animation script under current cartoon scene catalogue.Define the embodiment of various animation methods in the animation effect of animate object according to the present invention.Animation method program to be to encapsulate, and is compiled in player.Player, according to the animation method defining in animation script and animation parameters, calls animation method program corresponding in player program.Animation control module 423 is according to execution time priority and the duration of each animation method in animation script, and permission is carried out multiple animation methods in section at one time.User can see animation fragment in device screen.
Claims (9)
1. a method that static caricature picture is converted into 2 D animation, is characterized in that, comprises the following steps:
(1) caricature picture materials is carried out to pre-service: each in whole secondary caricature picture need to, by the object elements of animate, be separated into single independently little picture, and the blank staying after separating be carried out to handwritten drawings and fill up;
(2) making of cartoon scene: create a rectangular coordinate system, the long measure of definition coordinate system, for a rectangular area of reference position definition is as cartoon scene, and save as the cartoon scene configuration file of an xml form with initial point (0,0);
(3) making of cartoon object: the little picture that step 1 is obtained is loaded in the cartoon scene that step 2 creates, as animate object; The initial attribute of definition animate object, comprising: the angle of the file path of animate object, initial coordinate, size, transparency, blur level, initial rotation, and save as the animate object attribute configuration file of an xml form;
(4) animation effect of definition animate object: animation method and the parameter of definition animate object, described animation method comprises: move, amplify, rotate, jump, fog, bleach, flicker; The animation method of definition and parameter are saved as to animation script;
(5) create scene catalogue, the little picture materials that step 1 is obtained, the cartoon scene configuration file that step 2 obtains, the animate object attribute configuration file that step 3 obtains, the animation script that step 4 obtains are saved in scene catalogue;
(6) repeating step 1-step 5 creates multiple scene catalogues, and index creaties directory simultaneously;
(7) the multiple scene catalogues that step 6 obtained and directory index packing boil down to animation file.
2. a kind of method that static caricature picture is converted into 2 D animation according to claim 1, it is characterized in that, in described step 4, the definition of the parameter of described movement is specially: first define the movement locus of animate object, described movement locus is straight-line equation, parabolic equation, equation of a circle, elliptic equation or bezier curve equation; Then define changes in coordinates, initial time and the time span of animate object.
3. a kind of method that static caricature picture is converted into 2 D animation according to claim 1, is characterized in that, in described step 4, the definition of the parameter of described amplification is specially: definition animate object zooms in or out multiple, initial time and time span.
4. a kind of method that static caricature picture is converted into 2 D animation according to claim 1, is characterized in that, in described step 4, the definition of the parameter of described rotation is specially: definition rotation center point coordinate, the anglec of rotation, initial time and time span; Taking current animate object position as starting point, current animate object is radius to the distance of rotary middle point, realizes animate object and rotate around rotary middle point in length at the appointed time the animation effect of the regulation anglec of rotation by equation of a circle.
5. a kind of method that static caricature picture is converted into 2 D animation according to claim 1, is characterized in that, in described step 4, the definition of the parameter of described jump is specially: definition jump height, number of skips, initial time and time span; Simulation jumps to the peak animation effect of freely falling body again under gravity environment.
6. a kind of method that static caricature picture is converted into 2 D animation according to claim 1, it is characterized in that, in described step 4, the definition of the parameter of described flicker is specially: definition flicker number of times, glimmer lag time, initial time and time span at every turn; The start time of each flicker carries out moment to animate object and hides operation, then in the end time, animate object is carried out to moment demonstration operation.
7. a kind of method that static caricature picture is converted into 2 D animation according to claim 1, is characterized in that, in described step 4, the definition of the parameter of described bleach is specially: define initial transparency, finish transparency, initial time and time span; Adopt simple and easy Alpha hybrid algorithm, by obtaining the RGB color value of current animate object and lower floor's background, foreground picture layer, Background From Layer are carried out to Color Channel and mix calculating, obtain having the map overlay region, front and back of visually-clear effect; And by certain time interval, calculate the different transparencies in each time interval, finally realize the visually time dependent effect of transparency.
8. a kind of method that static caricature picture is converted into 2 D animation according to claim 7, it is characterized in that, in described step 4, described in the definition of the parameter that fogs be specially: definition initial blur radius, finish blur radius, initial time and time span; Utilize Gaussian Blur algorithm, respectively on two dimensional image in length and breadth two independently the pixel on space carry out the calculating of one dimension Gaussian Blur, remerge two dimensions and obtain final pixel fuzzy value; Thereby realize, the Gaussian Blur of two dimensional image is calculated; Then according to initial blur radius and end blur radius, calculate two temporary layers, and superpose, the figure layer that it calculates for initial blur radius at the middle and upper levels, lower floor finishes the figure layer that blur radius calculates, and allows upper strata figure layer carry out the transparency change of transparency from 0 to 100% in current animation method time span, and figure below layer is along with upper figure layer bleach, progressively show, finally realize the visually animate object effect that blur level changes in time.
9. a player of playing the animation file that method generates described in claim 1, is characterized in that, comprising:
One file decompress(ion) and Loading Control module: before starting in animation broadcasting, animation file is carried out to decompress(ion), and little picture materials, cartoon scene configuration file, animate object attribute configuration file, animation script that needs are play read and be loaded in internal memory; With
One transmit control module being connected with Loading Control module with file decompress(ion): according to the description of cartoon scene configuration file, animate object attribute configuration file, animation script, carry out animation broadcasting; Specifically comprise:
One scene scheduling unit: all cartoon scenes are carried out to Control and Schedule; Comprise time-out current scene, retreat into the scene of playing before and be switched to fast special scenes; With
One scene and the object control unit being connected with scene scheduling unit: according to the description of cartoon scene configuration file and animate object attribute configuration file, create current scene and animation and play required animate object, and carry out initialization;
The one animation control module being connected with scene and object control unit: according to the definition of animation method in animation script and parameter, carry out the various animation effects of animate object in current cartoon scene.
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