CN106202158A - The using method of a kind of graphics file format and device - Google Patents

The using method of a kind of graphics file format and device Download PDF

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Publication number
CN106202158A
CN106202158A CN201610466541.2A CN201610466541A CN106202158A CN 106202158 A CN106202158 A CN 106202158A CN 201610466541 A CN201610466541 A CN 201610466541A CN 106202158 A CN106202158 A CN 106202158A
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China
Prior art keywords
file
format
resource
stretchable
data
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CN201610466541.2A
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Chinese (zh)
Inventor
张飞
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Leshi Zhixin Electronic Technology Tianjin Co Ltd
LeTV Holding Beijing Co Ltd
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Leshi Zhixin Electronic Technology Tianjin Co Ltd
LeTV Holding Beijing Co Ltd
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Application filed by Leshi Zhixin Electronic Technology Tianjin Co Ltd, LeTV Holding Beijing Co Ltd filed Critical Leshi Zhixin Electronic Technology Tianjin Co Ltd
Priority to CN201610466541.2A priority Critical patent/CN106202158A/en
Priority to PCT/CN2016/100055 priority patent/WO2017219526A1/en
Publication of CN106202158A publication Critical patent/CN106202158A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00Information retrieval; Database structures therefor; File system structures therefor
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/10File systems; File servers
    • G06F16/13File access structures, e.g. distributed indices
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/10File systems; File servers
    • G06F16/17Details of further file system functions
    • G06F16/174Redundancy elimination performed by the file system
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/10File systems; File servers
    • G06F16/17Details of further file system functions
    • G06F16/178Techniques for file synchronisation in file systems
    • G06F16/1794Details of file format conversion

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Data Mining & Analysis (AREA)
  • Databases & Information Systems (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)

Abstract

The embodiment of the present invention provides using method and the device of a kind of graphics file format, with so that jar file resource occupation reduces, reduces the wasting of resources, improves resource utilization.The method comprises determining that pending resource file, the storage format of described resource file are the first graphics file format;Being compiled described resource file, generate file destination, the storage format of described file destination is second graph file format;Wherein, the resource that identical file takies when described second graph file format is less than the resource taken during at described first graphics file format;Described file destination is stored in jar file.

Description

The using method of a kind of graphics file format and device
Technical field
The present embodiments relate to technical field of memory, particularly to using method and the dress of a kind of graphics file format Put.
Background technology
(English: Java Archive, abbreviation: JAR) be and platform-independent file format, it allows Java archive file Many files are combined into a compressed file.Jar file is applied not only to compression and issues, but also is used for disposing and encapsulating Storehouse, assembly and plug-in card program, and directly can be used as compiler instrument.In JAR, comprise special file, describe as disposed Symbol, is used to refer to how instrument processes specific jar file.
In jar file, graphics file format is generally PNG format (i.e. Portable Network Graphic Format), and the picture of PNG format takies resource relatively greatly, and the most how take resource to simplify optimization to jar file is to need Problem to be solved.
Summary of the invention
The embodiment of the present invention provides using method and the device of a kind of graphics file format, in order to solve figure in jar file Sheet takies the problem that resource is bigger.
The embodiment of the present invention provides the using method of a kind of graphics file format, including:
Determine that pending resource file, the storage format of described resource file are the first graphics file format;
Being compiled described resource file, generate file destination, the storage format of described file destination is second graph File format;Wherein, the resource that identical file takies when described second graph file format is less than at described first figure literary composition The resource taken during part form;
Described file destination is stored in jar file.
The embodiment of the present invention provides the use device of a kind of graphics file format, including:
Determine unit, for determining that pending resource file, the storage format of described resource file are the first figure literary composition Part form;
Compilation unit, for being compiled the described described resource file determining that unit determines, generates file destination, institute The storage format stating file destination is second graph file format;Wherein, identical file is when described second graph file format The resource taken is less than the resource taken when described first graphics file format;
Memory element, for being stored in the file destination that described compilation unit compiles in jar file.
The embodiment of the present invention provides using method and the device of a kind of graphics file format, takies resource by basis and compares The resource file of the first big graphics file format, generates the target literary composition taking the smaller second graph file format of resource Part, and be stored in jar file so that jar file resource occupation reduces, and reduces the wasting of resources, improves resource and uses effect Rate.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is this Some bright embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to root Other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 is the using method flow chart of graphics file format in the present invention;
Fig. 2 is the use structure drawing of device of graphics file format in the present invention.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with the embodiment of the present invention In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is The a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art The every other embodiment obtained under not making creative work premise, broadly falls into the scope of protection of the invention.
In view of in existing jar file, the picture of PNG format takies the problem that resource is bigger, the embodiment of the present application provides The using method of a kind of graphics file format and device so that jar file can use the graphic file lattice that committed memory is less Formula, thus decrease the resource occupation of jar file.
Using method and device to the graphics file format that the embodiment of the present application provides are made specifically below in conjunction with the accompanying drawings Bright.
Refering to shown in Fig. 1, the using method flow process of the graphics file format that the embodiment of the present application provides is as follows.
Step 101: determine pending resource file, the storage format of resource file is the first graphics file format.
Step 102: be compiled resource file, generates file destination, and the storage format of file destination is second graph File format.
Wherein, the resource that identical file takies when second graph file format accounts for less than during at the first graphics file format Resource.
In the embodiment of the present application optionally, the first graphics file format is PNG format, and second graph file format is .9.PNG form.
The process that resource file is specifically compiled generating file destination is:
Obtain the stretchable zone data of resource file and non-stretchable area data;
Stretchable zone data and non-stretchable area data are write in file destination by the instrument in application operating system, Operating system supports the application of second graph file format.
Specifically, it is stored in the executable file of operating system after resource file is packed, wherein, during being stored in, Operating system performs to write stretchable zone data and non-stretchable area data the process of file destination, by executable file Store in the compressed format, the executable file of storage is decompressed, extracts file destination.
For example, operating system is android system, and android system is by packing the resource file of PNG format Entering the executable file (such as APK file) of an android system, during packing APK, android system can be by PNG In the stretchable zone data of the resource file of form and non-stretchable area data write .9.PNG form file destination.Afterwards The APK file suffix this packed again is revised as .ZIP.Then decompression extracts the file of .9.PNG form, it is possible to by normally Employ.
Step 103: file destination is stored in jar file.
After being stored in jar file by file destination, if receiving the order reading file destination, then parse target Stretchable zone data in file and non-stretchable area data;According to stretchable zone data parsed and can not drawing Stretch area data and generate the readable content that file destination is corresponding.
Specifically, the interface loaded targets file provided by operating system;The interface provided by operating system is obtained Stretchable zone data and non-stretchable area data;Stretchable zone data and non-stretchable area data are carried out sequence Change, formation sequence data;The readable content that file destination is corresponding is generated according to serialized data.
To sum up, the using method of the graphics file format that the embodiment of the present invention provides, by bigger according to taking resource The resource file of the first graphics file format, generate the file destination taking the smaller second graph file format of resource, And be stored in jar file so that jar file resource occupation reduces, and reduces the wasting of resources, improves resource utilization.
Below in conjunction with concrete application scenarios, said method is described in further detail.
Such as, above-mentioned first graphics file format is PNG format, and second graph file format is .9.PNG form, above-mentioned Operating system is Android system..9.PNG it is that Android is (English: Android) a kind of special picture format of system application, only Supporting that the self adaptation under Android environment is shown, the picture of .9.PNG form has Automatic adjusument under android environment The ability of size..9.PNG the picture of form is more much smaller than the storage resource that the picture of PNG format takies.But jar file It is not belonging to the file that android system is supported, if using .9.PNG form storage picture, it is impossible to realize the spy of .9.PNG form Point.
Specifically, by the SDK of android system (Software Development Kit, SDK) in, the draw9patch.bat executable program under instrument (i.e. tools) catalogue is by a common .PNG formatted file warp Cross process and obtain a .9.PNG formatted file.
Expandable area and the not expandable area of .PNG formatted file are set.For example, the figure of expandable area Having single pigment, all pixels can be arranged by unified.The figure of expandable area does not has multiple pigment, or need not The region (word as on a button) being expanded.
Android system supports that the resource file of the inside of the installation file (i.e. .apk file) to self is compiled, institute Can directly use with the .9.PNG formatted file inside .apk file.But jar file (i.e. .JAR file) does not belongs to In the file that android system is supported, it is ensured that the premise that .9.PNG file normally uses is exactly, be by set .PNG form Stretchable zone data and the non-stretchable zone data of file are write in .9.PNG formatted file.
Initially set up an Android engineering, the resource file preparing the PNG format of use is put into the resource of this engineering Under catalogue (i.e. drawable catalogue).Then this engineering is generated an APK file (i.e. .apk file).In this process, The stretchable zone data of the resource file of PNG format and non-stretchable area data can be write .9.PNG by android system In formatted file.The most again this APK file suffix is revised as .ZIP.Finally decompression extracts the file of .9.PNG form, this Time .9.PNG formatted file be compiled, and contain data and the data in non-stretchable region of stretchable zone, Just can directly employ.
The .9.PNG file that compiling generates is stored in jar file and uses.When certain program reads file, need to call Jar file generates a file content that can use by dissection process.Namely need to parse from jar file The data of the stretchable zone inside .9.PNG and the data in non-stretchable region.Then in generating a spendable file Hold.
Concrete dissection process process is: the interface provided by android system loads .9.PNG from assets catalogue File.
(2) interface provided by android system obtains the data and not of the stretchable zone inside .9.PNG picture The data of stretchable zone.
(3) cannot directly use because of the data got by step (2), therefore this step needs by certainly Data are serialized by the method for definition.
(4) serialized data extracted by the class of android system and step (3) is generated one and can use .9.PNG formatted file, this file form in a program be the picture format that can use (such as NinePatchDrawable)。
Based on same inventive concept, refering to shown in Fig. 2, the embodiment of the present invention additionally provides making of a kind of graphics file format With device 200, including determining unit 201, compilation unit 202 and memory element 203, wherein:
Determining unit 201, for determining pending resource file, the storage format of resource file is the first graphic file Form;
Compilation unit 202, for determining that the resource file that unit 201 determines is compiled, generates file destination, target The storage format of file is second graph file format;Wherein, the resource that identical file takies when second graph file format Less than the resource taken when the first graphics file format;
Memory element 203, for being stored in the file destination that compilation unit 202 compiles in jar file.
It is also preferred that the left compilation unit 202 is used for:
Obtain the stretchable zone data of resource file and non-stretchable area data;
It is stored in the executable file of operating system after resource file is packed, wherein, during being stored in, operating system Performing to write stretchable zone data and non-stretchable area data the process of file destination, operating system supports second graph The application of file format;
Executable file is stored in the compressed format;
The executable file of storage is decompressed, extracts file destination.
It is also preferred that the left device 200 also includes that dissection process unit 204, dissection process unit 204 are used for:
Receive the order reading file destination;
Parse the stretchable zone data in file destination and non-stretchable area data;
Corresponding readable of file destination is generated according to the stretchable zone data parsed and non-stretchable area data Content.
It is also preferred that the left dissection process unit 204 is used for:
The interface loaded targets file provided by operating system;
The interface provided by operating system obtains stretchable zone data and non-stretchable area data;
Stretchable zone data and non-stretchable area data are serialized, formation sequence data;
The readable content that file destination is corresponding is generated according to serialized data.
It is also preferred that the left second graph file format is .9.PNG form.
For convenience of description, above each several part is divided by function and is respectively described for each unit.Certainly, this is being implemented The function of each unit can be realized in same or multiple softwares or hardware time bright.
The embodiment of the present invention can be passed through hardware processor (hardware processor) and realize the phase shown in Fig. 2 Close functional unit.When being embodied as, processor may be used for reading the program in memorizer, performs following process to realize Fig. 2 The function of shown correlation unit.
Device embodiment described above is only schematically, and the wherein said unit illustrated as separating component can To be or to may not be physically separate, the parts shown as unit can be or may not be physics list Unit, i.e. may be located at a place, or can also be distributed on multiple NE.Can be selected it according to the actual needs In some or all of module realize the purpose of the present embodiment scheme.Those of ordinary skill in the art are not paying creativeness Work in the case of, be i.e. appreciated that and implement.
Through the above description of the embodiments, those skilled in the art it can be understood that to each embodiment can The mode adding required general hardware platform by software realizes, naturally it is also possible to pass through hardware.Based on such understanding, on State the part that prior art contributes by technical scheme the most in other words to embody with the form of software product, should Computer software product can store in a computer-readable storage medium, such as ROM/RAM, magnetic disc, CD etc., including some fingers Make with so that a computer equipment (can be personal computer, server, or the network equipment etc.) performs each and implements The method described in some part of example or embodiment.
Last it is noted that above example is only in order to illustrate technical scheme, it is not intended to limit;Although With reference to previous embodiment, the present invention is described in detail, it will be understood by those within the art that: it still may be used So that the technical scheme described in foregoing embodiments to be modified, or wherein portion of techniques feature is carried out equivalent; And these amendment or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and Scope.

Claims (10)

1. the using method of a graphics file format, it is characterised in that including:
Determine that pending resource file, the storage format of described resource file are the first graphics file format;
Being compiled described resource file, generate file destination, the storage format of described file destination is second graph file Form;Wherein, the resource that identical file takies when described second graph file format is less than at described first graphic file lattice The resource taken during formula;
Described file destination is stored in jar file.
Method the most according to claim 1, it is characterised in that be compiled described resource file, generates file destination, Including:
Obtain the stretchable zone data of described resource file and non-stretchable area data;
It is stored in the executable file of operating system after described resource file is packed, wherein, during described being stored in, described Operating system performs to write described stretchable zone data and described non-stretchable area data the process of described file destination, Described operating system supports the application of second graph file format;
Described executable file is stored in the compressed format;
The described executable file of storage is decompressed, extracts described file destination.
Method the most according to claim 2, it is characterised in that after described file destination is stored in jar file, also Including:
Receive the order reading described file destination;
Parse the described stretchable zone data in described file destination and non-stretchable area data;
Described file destination is generated with non-stretchable area data corresponding according to the described stretchable zone data parsed Readable content.
Method the most according to claim 3, it is characterised in that described in parse in described file destination described stretchable Area data and non-stretchable area data, according to the described stretchable zone data parsed and non-stretchable area data Generate the content that described file destination is corresponding, including:
The interface provided by described operating system loads described file destination;
The interface provided by described operating system obtains described stretchable zone data and described non-stretchable area data;
Described stretchable zone data and described non-stretchable area data are serialized, formation sequence data;
The readable content that described file destination is corresponding is generated according to described serialized data.
5. according to the method described in any one of claim 1-4, it is characterised in that described second graph file format is .9.PNG Form.
6. the use device of a graphics file format, it is characterised in that including:
Determine unit, for determining that pending resource file, the storage format of described resource file are the first graphic file lattice Formula;
Compilation unit, for being compiled the described described resource file determining that unit determines, generates file destination, described mesh The storage format of mark file is second graph file format;Wherein, identical file takies when described second graph file format Resource less than the resource that takies when described first graphics file format;
Memory element, for being stored in the file destination that described compilation unit compiles in jar file.
Device the most according to claim 6, it is characterised in that described compilation unit is used for:
Obtain the stretchable zone data of described resource file and non-stretchable area data;
It is stored in the executable file of operating system after described resource file is packed, wherein, during described being stored in, described Operating system performs to write described stretchable zone data and described non-stretchable area data the process of described file destination, Described operating system supports the application of second graph file format;
Described executable file is stored in the compressed format;
The described executable file of storage is decompressed, extracts described file destination.
Device the most according to claim 7, it is characterised in that also include dissection process unit, described dissection process unit For:
Receive the order reading described file destination;
Parse the described stretchable zone data in described file destination and non-stretchable area data;
Described file destination is generated with non-stretchable area data corresponding according to the described stretchable zone data parsed Readable content.
Device the most according to claim 8, it is characterised in that described dissection process unit is used for:
The interface provided by described operating system loads described file destination;
The interface provided by described operating system obtains described stretchable zone data and described non-stretchable area data;
Described stretchable zone data and described non-stretchable area data are serialized, formation sequence data;
The readable content that described file destination is corresponding is generated according to described serialized data.
10. according to the device described in any one of claim 6-9, it is characterised in that described second graph file format is .9.PNG form.
CN201610466541.2A 2016-06-23 2016-06-23 The using method of a kind of graphics file format and device Pending CN106202158A (en)

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CN201610466541.2A CN106202158A (en) 2016-06-23 2016-06-23 The using method of a kind of graphics file format and device
PCT/CN2016/100055 WO2017219526A1 (en) 2016-06-23 2016-09-26 Method for using graphic file format and storage device

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CN110377651B (en) * 2019-06-20 2024-02-02 平安科技(深圳)有限公司 Batch data processing method, device, equipment and storage medium
CN111080728A (en) * 2019-12-19 2020-04-28 上海米哈游天命科技有限公司 Map processing method, device, equipment and storage medium
CN113282906B (en) * 2020-02-20 2024-05-03 Oppo广东移动通信有限公司 Authority detection method, device, terminal and storage medium
CN112084747B (en) * 2020-09-17 2024-02-02 瑞庭网络技术(上海)有限公司 Resource management method and device, electronic equipment and storage medium
CN114398124B (en) * 2021-12-31 2024-04-12 深圳市珍爱捷云信息技术有限公司 Point nine effect graph rendering method based on iOS system and related device thereof

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