CN103399802B - A kind of picture pre-add support method and device - Google Patents
A kind of picture pre-add support method and device Download PDFInfo
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Abstract
The present invention is applied to picture playing field, there is provided a kind of picture pre-add support method and device, when picture players or audio/video player playing pictures, triggering obtains the picture that needs preload；Judge whether the resolution ratio of the picture exceeds default resolution threshold；If the resolution ratio of the picture exceeds the resolution threshold, compression multiple is calculated according to picture compression algorithm；The picture is compressed according to the compression multiple, the picture after preload compression；So as to effectively prevent OOM, the smooth playing of picture, more hommization ensure that.
Description
Technical field
The invention belongs to picture playing field, more particularly to a kind of picture pre-add support method and device.
Background technology
At present, based on Android（android）The mobile terminal of system is widely used for the every aspect of life, such as：People
Communicated, surfed the Net and taken pictures using smart mobile phone daily.
It is well known that Android system only has 16M for the maximum memory of each course allocation, if application program loading one
A little resources for accounting for internal memory, cause low memory, internal memory spilling occur（Out of Memory, OOM）：Especially, picture players
Or, it is necessary to Load Image during audio/video player playing pictures（Including：Previous pictures, currently playing picture and broadcast in advance
The plurality of pictures such as the picture put）, wherein, previous pictures and currently playing picture is have Loaded Image, the picture played in advance
To preload picture；If the picture preloaded is high-resolution picture（Due to high-resolution picture, to account for internal memory larger）When,
OOM can be caused.
The content of the invention
The purpose of the embodiment of the present invention is to provide a kind of picture pre-add support method, added with solving existing mobile terminal
Existing internal memory overflow problem when carrying picture.
The embodiment of the present invention is achieved in that a kind of picture pre-add support method, and the picture pre-add support method includes：
Obtain the picture for needing to preload；
Judge whether the resolution ratio of the picture exceeds default resolution threshold；
If the resolution ratio of the picture exceeds the resolution threshold, compression times is calculated according to picture compression algorithm
Number；
The picture is compressed according to the compression multiple, the picture after preload compression.
Another object of the embodiment of the present invention is to provide a kind of picture pre-load means, the picture pre-load means bag
Include：
Acquiring unit, for obtaining the picture for needing to preload；
Judging unit, for judging whether the resolution ratio of the picture exceeds default resolution threshold；
Picture compression algorithm unit, for performing picture compression algorithm；
Compression multiple unit, if the resolution ratio for the picture exceeds the resolution threshold, perform the picture
Compression algorithm unit is to calculate compression multiple；
Pre-add carrier unit, for compressing the picture according to the compression multiple, the picture after preload compression.
Another object of the embodiment of the present invention is to provide a kind of mobile terminal, and it is pre- that the mobile terminal includes above-mentioned picture
Loading device.
In embodiments of the present invention, picture players or during audio/video player playing pictures, triggering acquisition needs pre-add
The picture of load, and judge whether the resolution ratio of the picture exceeds resolution threshold；If the resolution ratio of the picture is beyond described
Resolution threshold, then compression multiple is calculated according to picture compression algorithm；The picture, pre-add are compressed according to the compression multiple
Carry the picture after compression；So as to effectively prevent OOM, the smooth playing of picture, more hommization ensure that.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
In the required accompanying drawing used be briefly described, it should be apparent that, drawings in the following description be only the present invention some
Embodiment, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these
Accompanying drawing obtains other accompanying drawings.
Fig. 1 is the implementation process figure for the picture pre-add support method that the embodiment of the present invention one provides；
Fig. 2 is a kind of flow chart of picture compression algorithm in the embodiment of the present invention one；
Fig. 3 is the flow chart of another picture compression algorithm in the embodiment of the present invention one；
Fig. 4 is the composition structure chart for the picture pre-load means that the embodiment of the present invention two provides；
Fig. 5 is a kind of composition structure chart of picture compression algorithm unit 45 in the embodiment of the present invention two；
Fig. 6 is the composition structure chart of another picture compression algorithm unit 45 in the embodiment of the present invention two；
Fig. 7 is the composition structure chart of the pre-add carrier unit 44 of the picture pre-load means in the embodiment of the present invention two.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
In order to illustrate technical solutions according to the invention, illustrated below by specific embodiment.
Embodiment one：
, it is necessary to preload picture when the picture players or audio/video player playing pictures of mobile terminal；Wherein, it is described
The operating system that mobile terminal uses is that Android system or Saipan system etc. can be in the operating systems that mobile terminal is installed and is used.
Therefore, the embodiment of the present invention is directed to the preloading procedure of picture, especially for accounting for internal memory, high-resolution picture
Preloading procedure, the present embodiment done following Optimal improvements, and provides a kind of picture pre-add support method, and Fig. 1 shows this
The implementation process for the picture pre-add support method that embodiment provides, for the ease of description, it illustrate only related to the embodiment of the present invention
Part, details are as follows for its implementation process：
Step S11, obtain the picture for needing to preload.
When picture players start or when audio/video player starts, startup can be triggered and preload program, in the preloading
In the picture loading thread of program, the picture of preloading can be obtained in real time.That is, picture loading thread is directed to the picture loaded
（Including previous pictures and currently playing picture）, only call user interface（User Interface, UI）Real-time display；Pin
To the picture of preloading（Including the picture played in advance）, then handled using the picture pre-add support method of the present embodiment offer.
Step S12, judges whether the resolution ratio of the picture exceeds default resolution threshold.
When getting the picture（The picture of preloading）When, obtain the resolution ratio of the picture, the resolution of the picture
The height that rate is multiplied by the picture by the width of the picture is calculated, it is necessary to illustrate, a width of picture of the picture
Horizontal direction pixel count, the pixel count of the vertical direction of a height of picture of the picture；Such as：If picture is a width of
800Pixel, and a height of 600Pixel of picture, then the resolution ratio of picture is 800 × 600Pixel.
It should be noted that the memory size that the resolution threshold can use according to picture loading thread maximum, and
Ensure to preset in the case of picture normal play, such as：The memory size that can use of picture loading thread maximum is
16M, resolution threshold can be set as 5M.
In the present embodiment, when step S11 gets picture, judge the resolution ratio of the picture whether beyond default
Resolution threshold, if exceeding, perform step S13；If without departing from, perform step S15, compression processing is not done to the picture
And directly preload the picture.
Step S13, if the resolution ratio of the picture exceeds the resolution threshold, calculated according to picture compression algorithm
Compression multiple.
In the present embodiment, when the resolution ratio of the picture exceeds the resolution threshold, according to the resolution of display screen
The resolution ratio of rate and the picture, compression multiple is calculated using picture compression algorithm.
Step S14, the picture is compressed according to the compression multiple, the picture after preload compression.
In the present embodiment, it is to be calculated go out compression multiple after, after the resolution ratio of the picture is reduced into the compression multiple
The picture after the compression is obtained, preloads the picture after the compression, carries out real-time picture playing.
It should be noted that the resolution ratio of the picture is reduced into the compression multiple with the tool of the picture after being compressed
Body compress technique, using JPEG compression technology, run length encoding compress technique, LZW Coding Compression Technologies, huffman coding pressure
Contracting technology, prediction and interpolation coding compress technique, vector quantization coding compress technique, transition coding compress technique or modelling are compiled
The existing compress techniques such as code compress technique are realized, are not limited herein；Such as：Realized using JPEG compression technology by institute
The resolution ratio for stating picture reduces the compression multiple, obtains the picture after the compression.
It should be noted that under normal circumstances, memory size that thread provides is loaded according to picture and described in setting point
Resolution threshold value, disclosure satisfy that display resolution and within picture can normally be shown in display screen, it is described display differentiate
Rate is the resolution ratio that display screen is used to show.
Therefore, in order to which better by picture players browsing pictures, whole pictures can be included by being provided below
Picture compression algorithm in display screen.
Fig. 2 shows a kind of implementation process for picture compression algorithm that the embodiment of the present invention one provides, for the ease of describing,
It illustrate only the part related to the embodiment of the present invention.
As one embodiment of the invention, the picture compression algorithm that is used in step S13, including：
S21, the wide and high of the picture is obtained, it is wide high with display to obtain display；
S22, by the picture it is wide divided by described display it is wide obtain the first wide multiple, by the high divided by described of the picture
Display height obtains the first high magnification numbe；
S23, the selection first wide multiple and first high magnification numbe relatively after higher value as compression multiple.
It should be noted that when display screen is shown, picture is shown using display resolution, the display resolution is by described
The pixel count for the horizontal direction that the high product of wide and described display obtains, when a width of display screen of display is shown is shown,
The pixel count of vertical direction when a height of display screen of display is shown.
It should be noted that in step S22, the step of calculating the first wide multiple and the step of calculating the first high magnification numbe
There is no sequencing；Also, when the first wide multiple calculated and the first high magnification numbe calculated are respectively less than 1（That is representative picture
Resolution ratio be less than display resolution）When, then the compression of picture is not performed, directly preloads the picture.
In the present embodiment, it is to be calculated go out the first wide multiple and first high magnification numbe after, more described first is wide
The size of multiple and first high magnification numbe, the higher value in the described first wide multiple and first high magnification numbe is taken as compression
Multiple.
Fig. 3 shows the implementation process for another picture compression algorithm that the embodiment of the present invention one provides, for the ease of retouching
State, illustrate only the part related to the embodiment of the present invention.
As another embodiment of the present invention, the picture compression algorithm that is used in step S13 can also include：
S31, the wide and high of the picture is obtained, obtain display width and display is high, preset and reserve width and reserved height；
S32, obtain the second width plus the reserved width by the display is wide, reserved the display is high plus described
Highly obtain the second height；
S33, wide divided by described second width of the picture obtained into the second wide multiple, by the height of the picture divided by institute
State the second height and obtain the second high magnification numbe；
S34, the selection second wide multiple and second high magnification numbe relatively after higher value as compression multiple.
It should be noted that with above-mentioned, the pixel count of horizontal direction when a width of display screen of display is shown, institute
State the pixel count of vertical direction when showing a height of display screen display.
It should be noted that in step S33, the step of calculating the second wide multiple and the step of calculating the second high magnification numbe
There is no sequencing；Also, when the second wide multiple calculated and the second high magnification numbe calculated are respectively less than 1（That is representative picture
Resolution ratio be less than display resolution）When, then picture compression is not performed, directly preloads the picture.
In the present embodiment, due to the picture is compressed or calculating process in may introduce error, cause to press
Picture after contracting still exceeds display resolution；Therefore, reserved width and reserved height are preset, for avoiding introducing error
Picture after compression caused by afterwards exceeds display resolution；It should be noted that value and reserved height in the reserved width of selection
Value when, excessive reserved width or excessive reserved height can cause the picture after the compression to take display resolution mistake
It is small（That is, picture too small display in display screen after described compression）, too small reserved width or the meeting of too small reserved height can
Be able to not can filter out the picture is compressed or calculating process in the error that introduces.
Preferably, the reserved width is the wide a quarter of the display；The reserved height is high for the display
A quarter.
Specifically, picture is compressed or calculating process in the error that introduces, the periphery production of picture that can upon compression
The pixel of the raw non-picture（The pixel of the non-picture of the horizontal direction of display is substantially without departing from four points of reserved width
One of；The pixel of the non-picture of the vertical direction of display is substantially without departing from a quarter of reserved height）；So as to,
The reserved width is arranged to the wide a quarter of the display, and the reserved height is arranged to high four of the display
When/mono-, the compression multiple that is obtained according to picture compression algorithm can ensure the picture after picture compression in display resolution
Inside display, and viewing area of the picture after the compression in display resolution will not be too small（It is i.e. inexcessive to picture
Compression）.
Therefore, the compression multiple that the picture compression algorithm provided by the present embodiment is calculated, using the compression multiple
The picture obtained after picture compression is carried out, can be shown in inside display screen.
More optimizedly, the selection second wide multiple and second high magnification numbe relatively after higher value as compressing
The step of multiple, Ke Yiwei：
Select the described second wide multiple and second high magnification numbe rounded up respectively after higher value as compression
Multiple.
For the ease of calculating, improve compression efficiency, in the second wide multiple and second high magnification numbe is selected compared with
During big value, the described second wide multiple is rounded up respectively in advance, second high magnification numbe is rounded up, takes institute
Higher value after stating the value after the value after the second wide multiple rounds up rounds up with second high magnification numbe relatively is as institute
State compression multiple.So as to efficiently reduce operation time and Memory Load that picture loads thread.
More optimizedly, it is described that the picture is compressed according to the compression multiple, can the step of picture after preload compression
Think：
It is wide using the wide divided by described compression multiple of the picture as compression, by the high divided by described compression times of the picture
Number is high as compression, and the compression width is multiplied by into the compression height obtains compressing resolution ratio；
By the picture compression into the image for compressing resolution ratio to be used as the picture after the compression；
Picture after preload compression.
In the present embodiment, during compressed picture, the wide and described compression height of the compression is obtained respectively, and then obtain
The resolution ratio of picture after to the compression（Compress resolution ratio）, using described in existing compression algorithm and compression techniques process
Picture is to obtain the picture after the compression；So that picture that is high-resolution, taking big internal memory is run into every time, according to figure
The compression multiple that piece compression algorithm calculates is compressed, then carries out the preloading to the picture after the compression, is effectively prevented
OOM, ensure that the normal play of picture.
In the present embodiment, picture players or during audio/video player playing pictures, for it is high-resolution, account for internal memory
Picture preloading procedure, compression multiple calculated using picture compression algorithm in advance, and then after calculating the compression
The resolution ratio of picture, using existing picture compression technology by high-resolution picture compression into the picture after the compression（It is low
The picture of resolution ratio）, OOM is effectively prevented, ensure that the smooth playing of picture.
Embodiment two：
Fig. 4 shows the composition structure for the picture pre-load means that the embodiment of the present invention two provides, for the ease of describing, only
Show the part related to the embodiment of the present invention.
The picture pre-add support method that the picture pre-load means that the present embodiment provides provide with embodiment one is mutually applicable；Should
The list that software unit, hardware cell or the software and hardware that picture pre-load means can be operate in mobile terminal are combined
Member, it can also be integrated into mobile terminal or run in the application system of mobile terminal as independent suspension member.Wherein, institute
Stating mobile terminal includes the equipment such as smart mobile phone, notebook, flat board mobile terminal, wherein, the operation that the mobile terminal uses
System can be that Android system or Saipan system etc. can be in the operating systems that mobile terminal is installed and is used.
The picture pre-load means that the present embodiment provides, including acquiring unit 41, judging unit 42, compression multiple unit
43rd, pre-add carrier unit 44 and picture compression algorithm unit 45, wherein details are as follows for each functional unit：
Acquiring unit 41, for obtaining the picture for needing to preload；
Judging unit 42, for judging whether the resolution ratio of the picture exceeds default resolution threshold；
Picture compression algorithm unit 45, for performing picture compression algorithm；
Compression multiple unit 43, if the resolution ratio for the picture exceeds the resolution threshold, perform the figure
Piece compression algorithm unit is to calculate compression multiple；
Pre-add carrier unit 44, for compressing the picture according to the compression multiple, the picture after preload compression.
Fig. 5 shows a kind of composition structure for picture compression algorithm unit that the embodiment of the present invention two provides, for the ease of
Description, illustrate only the part related to the embodiment of the present invention.
As one embodiment of the invention, the picture compression algorithm unit 45, including：
First acquisition unit 4511, for obtaining the wide and high of the picture, it is wide high with display to obtain display；
First times of counting unit 4512, for by the picture it is wide divided by described display it is wide obtain the first wide multiple, by institute
The high divided by described display height for stating picture obtains the first high magnification numbe；
First choice unit 4513, for the higher value after selecting the described first wide multiple and first high magnification numbe relatively
As compression multiple.
Fig. 6 shows the composition structure for another picture compression algorithm unit that the embodiment of the present invention two provides, in order to just
In description, the part related to the embodiment of the present invention illustrate only.
As one embodiment of the invention, the picture compression algorithm unit 45, including：
Second acquisition unit 4521, for obtaining the wide and high of the picture, obtain display width and display is high, preset and reserve
Width and reserved height；
Reserved adjustment unit 4522, for obtaining the second width plus the reserved width by the display is wide, described in general
Display is high to obtain the second height plus the reserved height；
Second times of counting unit 4523, will for wide divided by described second width of the picture to be obtained into the second wide multiple
High divided by described second height of the picture obtains the second high magnification numbe；
Second selecting unit 4524, for the higher value after selecting the described second wide multiple and second high magnification numbe relatively
As compression multiple.
More optimizedly, the reserved width is the wide a quarter of the display；
The reserved height is the high a quarter of the display.
More optimizedly, second selecting unit 4524, Ke Yiwei：
Select the described second wide multiple and second high magnification numbe rounded up respectively after higher value as compression
Multiple.
Fig. 7 shows the composition structure of the pre-add carrier unit 44 for the picture pre-load means that the embodiment of the present invention two provides,
For the ease of description, the part related to the embodiment of the present invention illustrate only.
More optimizedly, the pre-add carrier unit 44, including：
Resolution elements 441 are compressed, for wide using the wide divided by described compression multiple of the picture as compression, by described in
The high divided by described compression multiple of picture is high as compression, and the compression width is multiplied by into the compression height obtains compressing resolution ratio；
Compression unit 442, for by the picture compression into the compression resolution ratio image using as after the compression
Picture；
First pre-add carrier unit 443, for preloading the picture after the compression.
Another object of the embodiment of the present invention is to provide a kind of mobile terminal, and the mobile terminal is included described in embodiment two
Picture pre-load means.
In the embodiment of the present invention, when picture players or audio/video player playing pictures, for it is high-resolution, account in
The preloading procedure for the picture deposited, acquiring unit obtain the picture preloaded；Compression multiple unit according to the resolution ratio of picture with
And display resolution, perform picture compression algorithm unit and calculate compression multiple, and then calculate the picture after the compression
Resolution ratio, pre-add carrier unit is using existing picture compression technology by high-resolution picture compression into the picture after the compression
（The picture of low resolution）And preload the picture after the compression；So as to effectively prevent OOM, the smoothness of picture ensure that
Play, more hommization.
It will be appreciated by those skilled in the art that simply enter for the unit that above-described embodiment two includes according to function logic
Row division, but above-mentioned division is not limited to, as long as corresponding function can be realized；In addition, each functional unit
Specific name is also only to facilitate mutually distinguish, the protection domain being not intended to limit the invention.
Those of ordinary skill in the art are further appreciated that all or part of step realized in above-described embodiment method is can
To instruct the hardware of correlation to complete by program, described program can be stored in a computer read/write memory medium
In, described storage medium, including ROM/RAM, disk, CD etc..
Above content is to combine specific preferred embodiment further description made for the present invention, it is impossible to is assert
The specific implementation of the present invention is confined to these explanations.For general technical staff of the technical field of the invention,
Some equivalent substitutes or obvious modification are made on the premise of not departing from present inventive concept, and performance or purposes are identical, all should
It is considered as belonging to the scope of patent protection that the present invention is determined by the claims submitted.
Claims (6)
1. a kind of picture pre-add support method, it is characterised in that the picture pre-add support method includes：
Obtain the picture for needing to preload；
Judge whether the resolution ratio of the picture exceeds default resolution threshold；
If the resolution ratio of the picture exceeds the resolution threshold, compression multiple is calculated according to picture compression algorithm；
The picture is compressed according to the compression multiple, the picture after preload compression；
Described the step of calculating compression multiple according to picture compression algorithm, includes：
The wide and high of the picture is obtained, display width is obtained and display is high, preset and reserve width and reserved height；
The second width is obtained plus the reserved width by the display is wide, is obtained the display is high plus the reserved height
Second height；
Wide divided by described second width of the picture is obtained into the second wide multiple, it is high by high divided by described the second of the picture
Degree obtains the second high magnification numbe；
Higher value after selecting the described second wide multiple and second high magnification numbe relatively is as compression multiple；
The reserved width is the wide a quarter of the display；
The reserved height is the high a quarter of the display；
The memory size that the resolution threshold can use according to picture loading thread maximum, and ensure picture normal play
In the case of preset.
2. picture pre-add support method as claimed in claim 1, it is characterised in that described that pressure is calculated according to picture compression algorithm
The step of demagnification number includes：
The wide and high of the picture is obtained, it is wide high with display to obtain display；
The first wide multiple is obtained by the wide divided by described display of the picture is wide, the high divided by described display of the picture is high
To the first high magnification numbe；
Higher value after selecting the described first wide multiple and first high magnification numbe relatively is as compression multiple.
3. the picture pre-add support method as described in claim 1 to 2 is any, it is characterised in that described according to the compression multiple
Compress the picture, the step of picture after preload compression, specifically include：
It is wide using the wide divided by described compression multiple of the picture as compression, the high divided by described compression multiple of the picture is made
It is high for compression, the compression width is multiplied by the compression height and obtains compressing resolution ratio；
By the picture compression into the image for compressing resolution ratio to be used as the picture after the compression；
Preload the picture after the compression.
4. a kind of picture pre-load means, it is characterised in that the picture pre-load means include：
Acquiring unit, for obtaining the picture for needing to preload；
Judging unit, for judging whether the resolution ratio of the picture exceeds default resolution threshold；
Picture compression algorithm unit, for performing picture compression algorithm；
Compression multiple unit, if the resolution ratio for the picture exceeds the resolution threshold, perform the picture compression
Algorithm unit is to calculate compression multiple；
Pre-add carrier unit, for compressing the picture according to the compression multiple, the picture after preload compression；
The picture compression algorithm unit, including：
Second acquisition unit, for obtaining the wide and high of the picture, obtain that display is wide and display is high, preset reserved width and pre-
Stay height；
Reserved adjustment unit, for obtaining the second width plus the reserved width by the display is wide, add the display is high
The upper reserved height obtains the second height；
Second times of counting unit, for wide divided by described second width of the picture to be obtained into the second wide multiple, by the picture
High divided by described second height obtain the second high magnification numbe；
Second selecting unit, for the higher value after selecting the described second wide multiple and second high magnification numbe relatively as compression
Multiple；
The reserved width is the wide a quarter of the display；
The reserved height is the high a quarter of the display；
The memory size that the resolution threshold can use according to picture loading thread maximum, and ensure picture normal play
In the case of preset.
5. picture pre-load means as claimed in claim 4, it is characterised in that the picture compression algorithm unit, including：
First acquisition unit, for obtaining the wide and high of the picture, it is wide high with display to obtain display；
First times of counting unit, for by the picture it is wide divided by described display it is wide obtain the first wide multiple, by the picture
High divided by described display height obtains the first high magnification numbe；
First choice unit, for the higher value after selecting the described first wide multiple and first high magnification numbe relatively as compression
Multiple.
6. the picture pre-load means as described in claim 4 to 5 is any, it is characterised in that the pre-add carrier unit, including：
Resolution elements are compressed, for wide using the wide divided by described compression multiple of the picture as compression, by the picture
High divided by described compression multiple is high as compression, and the compression width is multiplied by into the compression height obtains compressing resolution ratio；
Compression unit, for by the picture compression into it is described compression resolution ratio image to be used as the picture after the compression；
First pre-add carrier unit, for preloading the picture after the compression.
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| CN201310327077.5A CN103399802B (en) | 2013-07-30 | 2013-07-30 | A kind of picture pre-add support method and device |
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| CN201310327077.5A CN103399802B (en) | 2013-07-30 | 2013-07-30 | A kind of picture pre-add support method and device |
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| CN109961438A (en) * | 2019-04-08 | 2019-07-02 | 武汉华工激光工程有限责任公司 | A kind of light spot image analysis method and device |
| CN110647702B (en) * | 2019-09-12 | 2022-06-17 | 北京无限光场科技有限公司 | Picture preloading method and device, electronic equipment and readable medium |
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| JPH10187089A (en) * | 1996-12-26 | 1998-07-14 | Canon Inc | Device and method for display control |
| CN101635141B (en) * | 2009-06-24 | 2011-03-23 | 青岛海信电器股份有限公司 | Method for quickly decompressing bitmap file |
| CN102647590A (en) * | 2012-04-17 | 2012-08-22 | 华为终端有限公司 | Image compression method and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107332914A (en) * | 2017-07-04 | 2017-11-07 | 北京云测网络科技有限公司 | A kind of terminal display method and device |
| CN107332914B (en) * | 2017-07-04 | 2020-09-01 | 北京云测网络科技有限公司 | Terminal display method and device |
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