CN105447900A - Animation recording method and device - Google Patents

Animation recording method and device Download PDF

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Publication number
CN105447900A
CN105447900A CN201410318250.XA CN201410318250A CN105447900A CN 105447900 A CN105447900 A CN 105447900A CN 201410318250 A CN201410318250 A CN 201410318250A CN 105447900 A CN105447900 A CN 105447900A
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recording
animation
screenshot picture
user
picture
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CN201410318250.XA
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王秀富
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Beijing Feinno Communication Technology Co Ltd
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Beijing Feinno Communication Technology Co Ltd
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Priority to CN201410318250.XA priority Critical patent/CN105447900A/en
Publication of CN105447900A publication Critical patent/CN105447900A/en
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Abstract

The invention provides an animation recording method and device. The animation recording method comprises the following steps: providing a semitransparent window, and obtaining a recording region selected by a user by utilizing the semitransparent window; in a preset recording time, carrying out screen shot on the user-selected recording region every a preset time interval in sequence to obtain screen shot images; putting the screen shot images obtained in sequence into a cache; and when the preset recording time is over, enabling all of the screen shot images in the cache to be made into an animation file. According to the animation recording method, animation recording can be carried out according to the recording region specifically selected by the user, thereby meeting the demands for recording different regions of the users, and improving user experience.

Description

A kind of method and apparatus recording animation
Technical field
The present invention relates to computer image processing technology field, be specifically related to a kind of method and apparatus recording animation.
Background technology
Along with popularizing of network, the quantity of netizen sharply increases, at present, the increasing network user likes recording some animations, such as: record page screens, computer screen picture, QQ chat video etc., and send to good friend to share by immediate communication tool the animation recorded, to increase the interest of chat; The animation recorded can also save to check or to use in the future by user.But the technology of existing recording animation aspect merely provides double-click selection window carries out recording animation when recording animation to whole window, and user cannot select the region of recording voluntarily, and user's experience satisfaction is not high.
Summary of the invention
The invention provides a kind of method and apparatus recording animation, record the not high problem of user's experience satisfaction with the animation solving prior art.
For achieving the above object, technical scheme of the present invention is achieved in that
According to an aspect of the present invention, provide a kind of method recording animation, the method comprises:
A translucent window is provided, obtains the recording region that user utilizes this translucent window selection;
In the recording time preset, by the time interval of presetting, screenshotss are carried out successively to the recording region that user selects and obtain screenshot picture;
The screenshot picture obtained successively is put into buffer memory;
At the end of the recording time preset, all screenshot picture in buffer memory are made into animation file.
Wherein, the method also comprises: in the recording time preset, and the screenshot picture obtained successively is passed to preview control for user's live preview in buffer memory.
Wherein, the method also comprises: the time of the finish time of the recording time that countdown display current time distance is preset on preview control;
And, preview control shows the prompting how user exits recording process.
Wherein, at the end of the recording time preset, before all screenshot picture in buffer memory are made into animation file, the method also comprises:
The transparent picture that one identical with the recording region that user selects receives the content that user edits; The transparent picture editted is drawn in the buffer often open the screenshot picture obtained above screenshot picture with masking-out;
All screenshot picture in buffer memory are made into animation file be specially:
All screenshot picture with masking-out in buffer memory are made into animation file.
Wherein, all screenshot picture in buffer memory are made into animation file and comprise: utilize Octree algorithm to process the screenshot picture of often opening in buffer memory, all screenshot picture after process are made into the animation file of GIF form.
Wherein, the recording time preset is 8 ~ 12 seconds;
And/or the time interval of presetting is 150ms.
According to another aspect of the present invention, provide a kind of device recording animation, this device comprises:
Recording region selection module, for providing a translucent window, obtaining the recording region that user utilizes this translucent window selection;
Screenshot picture module, in the recording time preset, carries out screenshotss by the time interval of presetting successively to the recording region of recording regions module user selection and obtains screenshot picture;
Cache module, puts into buffer memory for screenshot picture screenshot picture module obtained successively;
All screenshot picture in cache module buffer memory, at the end of the recording time preset, are made into animation file by cartoon making module.
Wherein, this device also comprises: live preview module, in the recording time preset, the screenshot picture obtained successively is passed to preview control for user's live preview in buffer memory.
Wherein, this device also comprises: countdown display module, for the time of the display of countdown on preview control current time apart from the finish time of the recording time preset;
Exiting reminding module, how to exit the prompting of recording process for showing user on preview control.
Wherein, this device also comprises: masking-out picture drafting module, for receiving the content that user edits on the transparent picture that is identical with the recording region that user selects, the transparent picture editted is drawn in the buffer often open the screenshot picture obtained above screenshot picture with masking-out;
All screenshot picture with masking-out in buffer memory, specifically at the end of the recording time preset, are made into animation file by cartoon making module.
The method and apparatus of this recording animation of the present invention, user can select the screenshotss region of oneself wanting to record into animation in translucent window, and selected region is made into animation file, meet the demand that user records different screenshotss region, improve Consumer's Experience.
Accompanying drawing explanation
Fig. 1 is a kind of process flow diagram recording the method for animation that one embodiment of the invention provides;
Fig. 2 is the process flow diagram of the recording animation process that one embodiment of the invention provides;
Fig. 3 is the schematic diagram of the recording animation display that one embodiment of the invention provides,
Fig. 4 is that the use Octree algorithm that provides of one embodiment of the invention is to the schematic diagram of picture processing;
Fig. 5 is the schematic diagram of the recording illiteracy plate animation display that one embodiment of the invention provides;
Fig. 6 is the block diagram of the recording animating means that one embodiment of the invention provides.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
Core concept of the present invention is based under window system, there is provided a kind of record the method for animation and record the device of animation, oneself can be selected certain block region of wanting to record screen by the method user, and the recorded content in certain block region user selected shows with the form of animation.
Fig. 1 is a kind of process flow diagram recording the method for animation that one embodiment of the invention provides; See Fig. 1, the method for this recording animation of the present invention comprises:
Step S110, provides a translucent window, obtains the recording region that user utilizes this translucent window selection;
Step S120, in the recording time preset, carries out screenshotss by the time interval of presetting successively to the described recording region that user selects and obtains screenshot picture, the screenshot picture obtained successively is put into buffer memory;
All screenshot picture in buffer memory, at the end of the recording time preset, are made into animation file by step S130.
By above-mentioned steps, user can select the screenshotss region of oneself wanting to record into animation in translucent window, user-selected area is made into animation file for user, meets the demand that user records different screenshotss region, promotes Consumer's Experience.
Be described in detail below in conjunction with the method for specific embodiment to this recording animation of the present invention:
Embodiment one
Fig. 2 is the process flow diagram of the recording animation process that one embodiment of the invention provides; See Fig. 2, concrete recording animation process is:
Step S210, provides a translucent window can cover whole screen, and user can use and press the region that left mouse button dragging mouse selects to record screenshotss animation,
After left mouse button is upspring, call following function obtain user's screenshotss region;
VoidGetCopyScreenRect(LPRECTlpRect);
Meaning of parameters: LPRECTlpRect represents the pointer of a rectangular area and the region of user's selection.
Step S220, start a timer, the time interval is 150mS, records successively to screen, calls the image function intercepting selected zone:
Bitmap*CopyScreenToBitmap(LPRECTlpRect);
Function effect: the image intercepting selected zone;
Rreturn value: the pointer of the screen area bitmap images of intercepting: Bitmap*;
Parameter: LPRECTlpRect represents that user selects screen area rectangle pointer.
Step S230, is successively placed on the picture recorded in buffer memory and stores; Specifically can use dynamic array to store the picture recorded, technology realizes as follows:
Array [Bitmap*] m_arrayBitmap; // be used for depositing an array of bitmap pointer.
Use CopyScreenToBitmap function to carry out screenshotss to the rectangular area of the selection of user, and the bitmap pointer obtained is left in m_arrayBitmap array;
The picture obtained is passed to animation preview control and carries out preview, carry out an aforesaid operations every 150ms, until the recording time preset terminates or user selects to exit.
It should be noted that, when recording the desktop area selected, default recording time generally collects an occurrence between system 8 ~ 12 seconds, can record according to 6 pictures per second simultaneously.If this is that then the performing content of animation is short of a little, and the time oversize animation file of recording is too large because the time of recording is too short.Thus the optimal time 8 ~ 12 seconds of recording is drawn through test, after reaching default recording time when recording, system automatically will exit animation and record, or preserve into file or send to the other side by immediate communication tool.The time interval of recording is too short, and the file formed is too large, and too large animated content continuity is strong, show that recording time is at 150 ~ 200ms through test, thus 6 per second is a preferred value.Be appreciated that the recording time of 8 ~ 12 seconds is the recording time of the acquiescence being only embodiment of the present invention example, if namely do not have user to select to exit recording, so the some time periods in 8 ~ 12 seconds terminate to record by the method.In addition, user also can select to exit recording animation process according to the user demand of oneself at any time, such as user can select recording 3 seconds, 5 seconds or any one time point time exit, the time of now recording animation may be 3 seconds or 5 seconds or other, the recording time of 8 ~ 12 seconds that provide in the present embodiment is provided.
All screenshot picture in buffer memory are passed to preview control for user's live preview by step S240 successively;
Fig. 3 is the schematic diagram of the recording animation display that one embodiment of the invention provides; See Fig. 3, in the process recording animation, screen upper left side has preview control (floating frame) real-time exhibition user to select to record the screenshot picture in region, user can shift to an earlier date preview recording result by this floating frame, and pointed out recording time left automatically to complete recording afterwards in 6 seconds, and right button exit screenshotss animation recording mode exit prompting.
The specific implementation of preview function comprises: eject a floating frame to represent following content:
1. carry out countdown to screenshotss animation, how long recording process terminates to allow user awareness also need;
2. live preview is carried out to screenshotss animation;
3. user is provided to exit the shortcut of animation recording process.Such as click by right key, the prompt operation such as double-click.
Preview control be also used for real-time exhibition current time distance preset recording time finish time time and, preview control shows the prompting how user exits recording process.
Step S250, utilizes Octree algorithm to process the screenshot picture of often opening in buffer memory, and all screenshot picture after process are made into animation file;
Select the operation exited according to the recording time preset or user, stopping recording described user-selected area, being made into animation file by obtaining all screenshot picture in dynamic array or buffer memory successively.The form of animation has a variety of such as gif, swf, avi, mov and QT etc., but consider record animation file more be applied in IM (InstantMessaging, instant messaging) in, in performance, the each side Integrated comparative such as file size, quality of animation and purposes, the preferred embodiment of the present invention uses the animation file of gif form.
It should be noted that, the animation file that the screenshot picture in buffer memory or dynamic array is made into gif form can be utilized prior art.Concrete, according to the structure of gif file we to generate the scheme of gif animation as follows: wherein, Gif file structure, ginseng is shown in Table 1:
1 Header Gif file head
2 Logical Screen Descriptor Logic screen description block
3 Global Color Table Overall situation color table
Expansion module (optionally)
4 Image Descriptor Figure description block
5 Local Color Table Partial color table (can repeat n time) Can
6 Table Bassed Image Data Tabular form compressed image data Heavy
7 Graphic Control Extension Image controls extension blocks Multiple
8 Plain Text Extension Unformatted text extension blocks n
9 Comment Extension Comment extension blocks Individual
10 Application Extension Application extensions block
Expansion module (optionally)
11 GIF Trailer Gif file end block
Table 1
Design a class CGifHelper to generate gif animation according to the form of gif file.
The structure of class CGifHelper, see table 2:
Table 2
1)BOOLCreateGifFile(CStringstrFileName)
Function effect: create gif file
Parameter: strFileName represents the title (path+filename) of file
Rreturn value: create and successfully return TRUE, unsuccessfully returns FALSE
2)voidAddImgToGif(HBITMAPhbmp,BOOLIsFirstAdd)
Function effect: bitmap is added in gif file;
Parameter: HBITMAPhbmp represents the handle of bitmap picture.
BOOLIsFirstAdd represents whether be first bitmap added.
Then Octree algorithm is utilized to obtain palette information and the data bitmap of bitmap by bitmap hbmp, length, the information such as width.
And use these data to carry out initialisation image controll block, then in file, add image control block successively, image descriptor, palette information, view data then can.
Gif file header, image control block, image descriptor etc. are described in detail as follows:
1, Gif file header is added: see table 3:
Table 3
The variable of a statement GIFHEADER structure, with the pictorial information initializing variable obtained;
Then be written in file by the data of this variable, then the head of gif file just defines.
2, picture is written in gif file according to GIF form need image control block and its form of view data as follows:
Graph Control extension blocks (GraphicControlExtension) comprises the parameter that will use when processing graphics describes block, and the description of contents comprised in the structure to it is as follows:
(1) expansion imports symbol ExtensionIntroducer) for identifying the beginning of extension blocks, the value in territory is the fixed value that a numerical value equals 0x21.
(2) Graph Control label (GraphicControlLabel) is a Graph Control extension blocks for identifying current block, and the value in territory is the fixed value that a numerical value equals 0xF9.
(3) block size (BlockSize) is used for illustrating byte number that this extension blocks comprises, this byte number be from after this block size (BlockSize) territory to the byte number end of block character.
(4) structure and the disposal route that specifies of packaging territory in territory is packed, see table 4:
Table 4
(5) transparent (TransparencyFlag) represents whether provide transparent index (transparencyindex)
(6) delay time (DelayTime) be used to specify figure display after continue data streams before stand-by period, a centisecond is unit.
(7) and if only if when transparent logos position is set to 1, and whether transparent index (TransparencyIndex) is used to refer to handling procedure will revise respective point on display device.And if only if when transparent logos position is set to 1, will revise.
(8) end of block character (BlockTerminator) represents that this Graph Control extension blocks (GraphicControlExtension) terminates, the data block that it is made up of a byte, the value in this territory is a fixing value: 0x00, is therefore called zero-length data sub-block (zero-lengthDataSub-block).
During technology realizes, one or more controll block can be had before image descriptor (ImageDescriptor), such as Graph Control extension blocks (GraphicControlExtension), can follow thereafter a partial color table (LocalColorTable).No matter whether front and back have various data block, and image descriptor (ImageDescriptor) is always with view data.
See table 5, illustrate the structure of image descriptor (ImageDescriptor):
Table 5
Wherein, the Octree algorithm of use, obtains the palette of colors data of 16 from true color image.
Octree algorithm core is as follows: see Fig. 4, illustrates the example using Octree algorithm to carry out image procossing.
With the index (extracting the position in RGB component from a high position) of the corresponding position composition child node of RGB passage, tree is allowed to grow.The pixel of traversing graph picture, navigates to a leaf node (if there is no then creating it) according to the RGB component of current pixel, then the RGB component of current pixel is added to the corresponding Sum value of this node, and the pixel quantity of node on behalf is increased progressively.When leaf node quantity (representing a kind of color) exceeds maximum color quantity, just select a non-leaf nodes the darkest, be punctured into leaf node, final color value obtains with the summation of the RGB component pixel quantity divided by this node on behalf.Visible, multiple close different colours be downgraded into represent by same palette of colors time, palette of colors has been got a weighted mean between which (this weighted mean makes some " smooth gradual change " in former figure become colour band, such as, in Fig. 4 " level line " effect of user's face), to reach the optimum efficiency of expressing image essence.The histogram adding up whole image is not needed or not sequence, so larger memory requirements can not be produced in this algorithm yet.Although true color image may have a large amount of pixels, a large amount of number of colors, but its colouring information is concentrated to add up on the leaf node of a less tree, the dynamic conditioning strategy of this tree makes it always reflect the optimal selection of current time, during traversal pixel, result is carried out " accumulation " in very perfect mode.
In the present embodiment, utilize Octree algorithm to process the screenshot picture of often opening in buffer memory, all screenshot picture after process are made into the animation file of GIF form.Realize the conversion of screenshot picture to animation by said process, the animation file of the gif form of generation is pasted in session window the screen animated just can sharing oneself recording with friend by user.
To sum up, first user can select wanting the recording territory, district of screenshotss, meets the user demand that user records zones of different; After user chooses region, obtain the picture in the region that user selects successively, put into buffer memory or dynamic array, the picture making in described buffer memory or dynamic array is become animation file; Meanwhile, in the process recording animation, in buffer memory, picture can pass through preview control (floating frame) real-time exhibition, and such user just can see the effect of recording in advance.In addition, preview control (floating frame) goes back the time that real-time exhibition current distance terminates to carry out countdown, and user exit recording process exit prompting, facilitate user to carry out selecting and operating.
Embodiment two
According to the method for recording animation of the present invention, the animation with covering plate can also be recorded.Be implemented as follows:
The transparent picture that one identical with the recording region that user selects receives the content that user edits; The transparent picture editted is drawn in the buffer often open the screenshot picture obtained above screenshot picture with masking-out; All screenshot picture in buffer memory are made into animation file be specially: all screenshot picture with masking-out in buffer memory are made into animation file.
Fig. 5 is that plate animation display schematic diagram is covered in the recording that one embodiment of the invention provides; See Fig. 5, the formation (editting function of similar Fetion screenshotss function) of self-defined masking-out, the content of user being edited is plotted on a masking-out picture, if user does not like self-defined illiteracy plate can select only to record screen animated;
See Fig. 5, the edit tool that user uses IM communication tool to carry is to carry out the function of similar scribble, the transparent picture that one identical with the recording region that user selects carries out rule, draw rectangle, ellipse, word, arrow etc., and the content that user scribbles is plotted in above a large little identical transparent picture in region with selecting.Preferably, the transparency of picture is (the too high masking-out of transparency can cover the content of screenshotss animation or make its blur effect bad) between 1% ~ 10%, is obtained the masking-out of user individual animation by aforesaid operations.
Technology realizes as follows:
User individual masking-out makes complete, and final utilization is similar to following function and obtains masking-out.
Bitmap*GetMaskImg();
Function effect: obtain the masking-out picture that user makes.
Rreturn value: return a bitmap.I.e. Bitmap
User can select to record masking-out animation, masking-out animation is recorded if having selected, need the masking-out picture of scribbling to be plotted in above record often open above image, and utilize the picture in buffer memory, generate gif animation file, what masking-out layer is placed on image is because masking-out is transparent thus can't blocks the animated content of recording above.
Technology realizes as follows:
VoidBleadImg(Image*lpDestImg,constImage*lpSrcImg);
Function effect: by masking-out picture lpsrcImg at screenshotss bitmap lpDestImg painted on top out, and screenshotss bitmap lpDestImg is returned.
Parameter declaration:
Image*lpDestImg: represent screenshotss bitmap;
ConstImage*lpSrcImg: represent masking-out picture, const represent and not to change masking-out picture in the process of mixing picture.
After user selects to record illiteracy plate animation, by draw have user scribble content picture draw often open in the buffer above screenshot picture, obtain with covering the screenshot picture of plate, and this is sent to preview control (floating frame) with the screenshot picture of covering plate shows.
Final bandwagon effect to see the effect that user scribbles, such as: user has write: " A Lian: merry christmas see Fig. 5! " and drawn a funny face.
Situation according to the concrete configuration of user processes animation, such as: if the size of gif animation is less than 2M, direct being copied to by gif animation file in the input frame of session window sends to the other side, if GIF animation size is greater than 2M, save, user can send to friend by file transfer.
By said process, User Defined can be realized and cover plate, and record the animation with covering plate picture, greatly promote user's experience degree.
According to a further aspect of the invention, provide a kind of device recording animation, Fig. 6 is the block diagram of the recording animating means that one embodiment of the invention provides; See Fig. 6, this device 600 comprises:
Recording region selection module 601, for providing a translucent window, obtaining the recording region that user utilizes this translucent window selection;
Screenshot picture module 602, in the recording time preset, carries out screenshotss by the time interval of presetting successively to the recording region that user selects and obtains screenshot picture;
Cache module 603, puts into buffer memory for the screenshot picture described screenshot picture module obtained successively;
All screenshot picture in cache module, at the end of the recording time preset, are made into animation file by cartoon making module 604.
Wherein, device also comprises: live preview module, in the recording time preset, the screenshot picture obtained successively is passed to preview control for user's live preview in buffer memory.
Wherein, device also comprises: countdown display module, for the time of the display of countdown on preview control current time apart from the finish time of the recording time preset;
Exiting reminding module, how to exit the prompting of recording process for showing user on preview control.
Wherein, device also comprises:
Masking-out picture making module, for receiving the content that user edits on the transparent picture that identical with the recording region that user selects, the transparent picture editted is drawn in the buffer often open the screenshot picture made above screenshot picture with masking-out;
All screenshot picture with masking-out in buffer memory, at the end of the recording time preset, are made into animation file by cartoon making module.
It should be noted that, the device of this recording animation of this invention and the method for previously described recording animation are corresponding.The specific works process recording animating means, see the respective description of preceding method part, repeats no more herein.
In sum, the method for this recording animation provided by the invention and the device of recording animation have following beneficial effect:
1, the region of recording screenshotss animation can be chosen at random, meet the user demand that user records zones of different;
2, can self-defined masking-out, and drawing tool is provided, meet the user's request that user makes personalized screenshotss animation, increase affinity;
The recording result of preview screenshotss animation that 3, can be real-time in the process recording screenshotss animation.
The foregoing is only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention.All any amendments done within the spirit and principles in the present invention, equivalent replacement, improvement etc., be all included in protection scope of the present invention.

Claims (10)

1. record a method for animation, it is characterized in that, described method comprises:
A translucent window is provided, obtains the recording region that user utilizes this translucent window selection;
In the recording time preset, by the time interval of presetting, screenshotss are carried out successively to the described recording region that user selects and obtain screenshot picture, the screenshot picture obtained successively is put into buffer memory;
At the end of the recording time preset, all screenshot picture in described buffer memory are made into animation file.
2. the method recording animation as claimed in claim 1, it is characterized in that, described method also comprises:
In the recording time preset, the screenshot picture obtained successively described in buffer memory is passed to preview control for user's live preview.
3. the method recording animation as claimed in claim 2, it is characterized in that, described method also comprises:
On described preview control, countdown display current time is apart from the time of the finish time of described default recording time;
And, described preview control shows the prompting how user exits recording process.
4. the method recording animation as claimed in claim 1, is characterized in that, at the end of the recording time preset, before all screenshot picture in buffer memory are made into animation file, described method also comprises:
The transparent picture that one identical with the described recording region that user selects receives the content that user edits;
The described transparent picture editted is drawn in the buffer often open the screenshot picture obtained above screenshot picture with masking-out;
Describedly all screenshot picture in buffer memory be made into animation file be specially:
The all described screenshot picture with masking-out in buffer memory is made into animation file.
5. the method for the recording animation as described in claim 1 or 4, is characterized in that, describedly all screenshot picture in buffer memory are made into animation file comprise:
Utilize Octree algorithm to process the screenshot picture of often opening in buffer memory, all screenshot picture after process are made into the animation file of GIF form.
6. the method recording animation as claimed in claim 1, is characterized in that,
Described default recording time is 8 ~ 12 seconds; And/or,
The time interval of presetting is 150ms.
7. record a device for animation, it is characterized in that, this device comprises:
Recording region selection module, for providing a translucent window, obtaining the recording region that user utilizes this translucent window selection;
Screenshot picture module, in the recording time preset, carries out screenshotss by the time interval of presetting successively to the described recording region that described recording region selection module user selects and obtains screenshot picture;
Cache module, puts into buffer memory for the screenshot picture described screenshot picture module obtained successively;
All screenshot picture in described cache module, at the end of the recording time preset, are made into animation file by cartoon making module.
8. the device recording animation as claimed in claim 7, it is characterized in that, described device also comprises:
Live preview module, in the recording time preset, passes to preview control for user's live preview by the screenshot picture obtained successively described in buffer memory.
9. the device recording animation as claimed in claim 8, it is characterized in that, described device also comprises:
Countdown display module, for the time of the display of countdown on described preview control current time apart from the finish time of described default recording time;
Exit reminding module, for showing the prompting how user exits recording process on described preview control.
10. the device of the recording animation as described in any one of claim 7-9, is characterized in that, described device also comprises:
Masking-out picture drafting module, for receiving the content that user edits on the transparent picture that is identical with the described recording region that user selects, the described transparent picture editted is drawn in the buffer often open the screenshot picture obtained above screenshot picture with masking-out;
Described cartoon making module, specifically at the end of the recording time preset, is made into animation file by all described screenshot picture with masking-out in buffer memory.
CN201410318250.XA 2014-07-04 2014-07-04 Animation recording method and device Pending CN105447900A (en)

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