CN105302864A - Picture loading apparatus and method according to screen resolution - Google Patents
Picture loading apparatus and method according to screen resolution Download PDFInfo
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- CN105302864A CN105302864A CN201510608697.5A CN201510608697A CN105302864A CN 105302864 A CN105302864 A CN 105302864A CN 201510608697 A CN201510608697 A CN 201510608697A CN 105302864 A CN105302864 A CN 105302864A
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/90—Details of database functions independent of the retrieved data types
- G06F16/95—Retrieval from the web
- G06F16/957—Browsing optimisation, e.g. caching or content distillation
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Abstract
The invention discloses a picture loading apparatus and method according to screen resolution. The apparatus can be applied to a terminal and comprises a determining module determining screen resolution degree of the terminal during picture loading and a loading module loading pictures having the corresponding specifications according to the screen resolution degree. Pictures with various quality specifications can be loaded as needed; pictures with different quality specifications can be loaded to terminals with different screen resolution, so page rendering speed can be improved, website performance can be enhanced and bandwidth resource can be greatly reduced; and determination calculation and picture rendering can be finished on the terminal and server resource can be saved.
Description
Technical field
The present invention relates to communication technical field, particularly relate to a kind of apparatus and method Loaded Image according to screen resolution.
Background technology
Along with the development of display technique, screen resolution is more and more higher.At present, 5K high-definition display screen has appearred in mobile terminal, the high definition picture higher than normal picture resolution can be played up and show to 5K high-definition display screen, brings the visual experience more shaken to user.Although high definition picture can bring good visual experience to user, but because not every terminal device all has high-definition display screen, if website all loads high definition picture on all terminal devices, for ordinary screen, the reduction of rendering speed and the spilling of picture quality can be caused, and can server bandwidth be increased, waste bandwidth resource.
Summary of the invention
Fundamental purpose of the present invention is to propose a kind of apparatus and method Loaded Image according to screen resolution, is intended to the picture realizing on-demand loading different quality specification, improves page rendering speed, saves bandwidth resources.
For achieving the above object, the present invention proposes a kind of system Loaded Image according to screen resolution, comprises server and terminal, wherein:
Described server, for storing the picture of at least two kinds of specifications according to screen resolution grade;
Described terminal, for when loading described picture, judges the screen resolution grade of this terminal, loads the picture of dimension according to described screen resolution grade.
Wherein, described terminal is used for: the parameter information in securing layer stacking style table CSS3, judges the screen resolution grade of this terminal according to described parameter information.
Wherein, the parameter information in described CSS3 comprises the ratio device-pixel-ratio of physical picture element and equipment independent pixel or/and every pixel comprises quantity dppx a little.
The present invention also proposes a kind of device Loaded Image according to screen resolution, is applied to terminal, comprises:
Judge module, for when Loading Image, judges the screen resolution grade of this terminal;
Load-on module, for loading the picture of dimension according to described screen resolution grade.
Wherein, described judge module is used for:
Parameter information in securing layer stacking style table CSS3, judges the screen resolution grade of this terminal according to described parameter information.
Wherein, described screen resolution grade comprises high definition screen and ordinary screen, and corresponding picture specification is respectively high definition picture and normal picture, and described judge module is used for:
When the value of described device-pixel-ratio equal the first setting value (as equaled 2) or/and as described in dppx be more than or equal to preset value time, judge that the screen of this terminal is high definition screen;
When the value of described device-pixel-ratio equal the second setting value (as equaled 1) or/and as described in dppx be less than preset value time, judge that the screen of this terminal is ordinary screen.
Wherein, described load-on module is used for:
Common src address and high definition src address is write in load page;
When described screen resolution grade is high definition screen, the value of described high definition src address is utilized to cover the value of described common src address, to load described high definition picture;
When described screen resolution grade is ordinary screen, utilize described common src address as load address, to load described normal picture.
The present invention proposes a kind of method Loaded Image according to screen resolution simultaneously, comprises step:
Server stores the picture of at least two kinds of specifications according to screen resolution grade;
Described in terminal loads during picture, judge the screen resolution grade of this terminal, load the picture of dimension according to described screen resolution grade.
Wherein, the screen resolution grade of described this terminal of judgement comprises: the parameter information in securing layer stacking style table CSS3, judges the screen resolution grade of this terminal according to described parameter information.
The present invention also proposes a kind of method Loaded Image according to screen resolution, is applied to terminal, comprises step:
When Loading Image, judge the screen resolution grade of this terminal;
The picture of dimension is loaded according to described screen resolution grade.
Wherein, described screen resolution grade comprises high definition screen and ordinary screen, and corresponding picture specification is respectively high definition picture and normal picture, the described screen resolution grade judging this terminal according to described parameter information:
When the value of described device-pixel-ratio equal the first setting value (as equaled 2) or/and as described in dppx be more than or equal to preset value time, judge that the screen of this terminal is high definition screen;
When the value of described device-pixel-ratio equal the second setting value (as equaled 1) or/and as described in dppx be less than preset value time, judge that the screen of this terminal is ordinary screen.
Wherein, comprise according to the picture of described screen resolution grade loading dimension:
Common src address and high definition src address is write in load page;
When described screen resolution grade is high definition screen, the value of described high definition src address is utilized to cover the value of described common src address, to load described high definition picture;
When described screen resolution grade is ordinary screen, utilize described common src address as load address, to load described normal picture.
The apparatus and method that a kind of the present invention proposed by the invention Loads Image according to screen resolution, in advance by the picture of server according to two or more specifications of quality of screen resolution tier definition, during terminal loads picture, the picture of dimension is then loaded according to the screen resolution grade of this terminal, thus achieve the picture of on-demand loading different quality specification, the picture of the terminal loads different quality specification of different screen resolutions, improve page rendering speed, improve web site performance, and greatly save bandwidth resources.Meanwhile, judge that computing and picture are played up and all complete in terminal, saved server resource.
Accompanying drawing explanation
Fig. 1 is the hardware configuration schematic diagram of the mobile terminal realizing each embodiment of the present invention;
Fig. 2 is the wireless communication system schematic diagram of mobile terminal as shown in Figure 1;
Fig. 3 is the process flow diagram of method first embodiment that the present invention Loads Image according to screen resolution;
Fig. 4 is the process flow diagram of method second embodiment that the present invention Loads Image according to screen resolution;
Fig. 5 is the process flow diagram of method the 3rd embodiment that the present invention Loads Image according to screen resolution;
Fig. 6 is the process flow diagram of method the 4th embodiment that the present invention Loads Image according to screen resolution;
Fig. 7 is the module diagram of system one embodiment that the present invention Loads Image according to screen resolution;
Fig. 8 is the module diagram of device one embodiment that the present invention Loads Image according to screen resolution.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
The mobile terminal realizing each embodiment of the present invention is described referring now to accompanying drawing.In follow-up description, use the suffix of such as " module ", " parts " or " unit " for representing element only in order to be conducive to explanation of the present invention, itself is specific meaning not.Therefore, " module " and " parts " can mixedly use.
Mobile terminal can be implemented in a variety of manners.Such as, the terminal described in the present invention can comprise the such as mobile terminal of mobile phone, smart phone, notebook computer, digit broadcasting receiver, PDA (personal digital assistant), PAD (panel computer), PMP (portable media player), guider etc. and the fixed terminal of such as digital TV, desk-top computer etc.Below, suppose that terminal is mobile terminal.But it will be appreciated by those skilled in the art that except the element except being used in particular for mobile object, structure according to the embodiment of the present invention also can be applied to the terminal of fixed type.
Fig. 1 is the hardware configuration signal of the mobile terminal realizing each embodiment of the present invention.
Mobile terminal 100 can comprise wireless communication unit 110, A/V (audio/video) input block 120, user input unit 130, sensing cell 140, output unit 150, storer 160, interface unit 170, controller 180 and power supply unit 190 etc.Fig. 1 shows the mobile terminal with various assembly, it should be understood that, does not require to implement all assemblies illustrated.Can alternatively implement more or less assembly.Will be discussed in more detail below the element of mobile terminal.
Wireless communication unit 110 generally includes one or more assembly, and it allows the wireless communication between mobile terminal 100 and wireless communication system or network.Such as, wireless communication unit can comprise at least one in broadcast reception module 111, mobile communication module 112, wireless Internet module 113, short range communication module 114 and positional information module 115.
Broadcast reception module 111 via broadcast channel from external broadcasting management server receiving broadcast signal and/or broadcast related information.Broadcast channel can comprise satellite channel and/or terrestrial channel.Broadcast management server can be generate and send the server of broadcast singal and/or broadcast related information or the broadcast singal generated before receiving and/or broadcast related information and send it to the server of terminal.Broadcast singal can comprise TV broadcast singal, radio signals, data broadcasting signal etc.And broadcast singal may further include the broadcast singal combined with TV or radio signals.Broadcast related information also can provide via mobile communications network, and in this case, broadcast related information can be received by mobile communication module 112.Broadcast singal can exist in a variety of manners, such as, it can exist with the form of the electronic service guidebooks (ESG) of the electronic program guides of DMB (DMB) (EPG), digital video broadcast-handheld (DVB-H) etc.Broadcast reception module 111 can by using the broadcast of various types of broadcast system Received signal strength.Especially, broadcast reception module 111 can by using such as multimedia broadcasting-ground (DMB-T), DMB-satellite (DMB-S), digital video broadcasting-hand-held (DVB-H), forward link media (MediaFLO
) Radio Data System, received terrestrial digital broadcasting integrated service (ISDB-T) etc. digit broadcasting system receive digital broadcasting.Broadcast reception module 111 can be constructed to be applicable to providing the various broadcast system of broadcast singal and above-mentioned digit broadcasting system.The broadcast singal received via broadcast reception module 111 and/or broadcast related information can be stored in storer 160 (or storage medium of other type).
Radio signal is sent at least one in base station (such as, access point, Node B etc.), exterior terminal and server and/or receives radio signals from it by mobile communication module 112.Various types of data that such radio signal can comprise voice call signal, video calling signal or send according to text and/or Multimedia Message and/or receive.
Wireless Internet module 113 supports the Wi-Fi (Wireless Internet Access) of mobile terminal.This module can be inner or be externally couple to terminal.Wi-Fi (Wireless Internet Access) technology involved by this module can comprise WLAN (WLAN) (Wi-Fi), Wibro (WiMAX), Wimax (worldwide interoperability for microwave access), HSDPA (high-speed downlink packet access) etc.
Short range communication module 114 is the modules for supporting junction service.Some examples of short-range communication technology comprise bluetooth
tM, radio-frequency (RF) identification (RFID), Infrared Data Association (IrDA), ultra broadband (UWB), purple honeybee
tMetc..
Positional information module 115 is the modules of positional information for checking or obtain mobile terminal.The typical case of positional information module is GPS (GPS).According to current technology, GPS module 115 calculates from the range information of three or more satellite and correct time information and for the Information application triangulation calculated, thus calculates three-dimensional current location information according to longitude, latitude and pin-point accuracy.Current, the method for calculating position and temporal information uses three satellites and by using the error of the position that goes out of an other satellite correction calculation and temporal information.In addition, GPS module 115 can carry out computing velocity information by Continuous plus current location information in real time.
A/V input block 120 is for audio reception or vision signal.A/V input block 120 can comprise camera 121 and microphone 1220, and the view data of camera 121 to the static images obtained by image capture apparatus in Video Capture pattern or image capture mode or video processes.Picture frame after process may be displayed on display module 151.Picture frame after camera 121 processes can be stored in storer 160 (or other storage medium) or via wireless communication unit 110 and send, and can provide two or more cameras 1210 according to the structure of mobile terminal.Such acoustic processing can via microphones sound (voice data) in telephone calling model, logging mode, speech recognition mode etc. operational mode, and can be voice data by microphone 122.Audio frequency (voice) data after process can be converted to the formatted output that can be sent to mobile communication base station via mobile communication module 112 when telephone calling model.Microphone 122 can be implemented various types of noise and eliminate (or suppress) algorithm and receiving and sending to eliminate (or suppression) noise or interference that produce in the process of sound signal.
User input unit 130 can generate key input data to control the various operations of mobile terminal according to the order of user's input.User input unit 130 allows user to input various types of information, and keyboard, the young sheet of pot, touch pad (such as, detecting the touch-sensitive assembly of the change of the resistance, pressure, electric capacity etc. that cause owing to being touched), roller, rocking bar etc. can be comprised.Especially, when touch pad is superimposed upon on display module 151 as a layer, touch-screen can be formed.
Sensing cell 140 detects the current state of mobile terminal 100, (such as, mobile terminal 100 open or close state), the position of mobile terminal 100, user for mobile terminal 100 contact (namely, touch input) presence or absence, the orientation of mobile terminal 100, the acceleration or deceleration of mobile terminal 100 move and direction etc., and generate order or the signal of the operation for controlling mobile terminal 100.Such as, when mobile terminal 100 is embodied as sliding-type mobile phone, sensing cell 140 can sense this sliding-type phone and open or close.In addition, whether whether sensing cell 140 can detect power supply unit 190 provides electric power or interface unit 170 to couple with external device (ED).Sensing cell 140 can comprise proximity transducer 1410 and will be described this in conjunction with touch-screen below.
Interface unit 170 is used as at least one external device (ED) and is connected connecing of can passing through with mobile terminal 100
Mouthful.Such as, external device (ED) can comprise wired or wireless head-band earphone port, external power source (or battery charger) port, wired or wireless FPDP, memory card port, for connecting the port, audio frequency I/O (I/O) port, video i/o port, ear port etc. of the device with identification module.Identification module can be that storage uses the various information of mobile terminal 100 for authentication of users and can comprise subscriber identification module (UIM), client identification module (SIM), Universal Subscriber identification module (USIM) etc.In addition, the device (hereinafter referred to " recognition device ") with identification module can take the form of smart card, and therefore, recognition device can be connected with mobile terminal 100 via port or other coupling arrangement.Interface unit 170 may be used for receive from external device (ED) input (such as, data message, electric power etc.) and the input received be transferred to the one or more element in mobile terminal 100 or may be used for transmitting data between mobile terminal and external device (ED).
In addition, when mobile terminal 100 is connected with external base, interface unit 170 can be used as to allow by it electric power to be provided to the path of mobile terminal 100 from base or can be used as the path that allows to be transferred to mobile terminal by it from the various command signals of base input.The various command signal inputted from base or electric power can be used as and identify whether mobile terminal is arranged on the signal base exactly.Output unit 150 is constructed to provide output signal (such as, sound signal, vision signal, alarm signal, vibration signal etc.) with vision, audio frequency and/or tactile manner.Output unit 150 can comprise display module 151, dio Output Modules 152, alarm modules 153 etc.
Display module 151 may be displayed on the information of process in mobile terminal 100.Such as, when mobile terminal 100 is in telephone calling model, display module 151 can show with call or other communicate (such as, text messaging, multimedia file are downloaded etc.) be correlated with user interface (UI) or graphic user interface (GUI).When mobile terminal 100 is in video calling pattern or image capture mode, display module 151 can the image of display capture and/or the image of reception, UI or GUI that video or image and correlation function are shown etc.
Meanwhile, when display module 151 and touch pad as a layer superposed on one another to form touch-screen time, display module 151 can be used as input media and output unit.Display module 151 can comprise at least one in liquid crystal display (LCD), thin film transistor (TFT) LCD (TFT-LCD), Organic Light Emitting Diode (OLED) display, flexible display, three-dimensional (3D) display etc.Some in these displays can be constructed to transparence and watch from outside to allow user, and this can be called transparent display, and typical transparent display can be such as TOLED (transparent organic light emitting diode) display etc.According to the specific embodiment wanted, mobile terminal 100 can comprise two or more display modules (or other display device), such as, mobile terminal can comprise outside display module (not shown) and inner display module (not shown).Touch-screen can be used for detecting touch input pressure and touch input position and touch and inputs area.
When dio Output Modules 152 can be under the isotypes such as call signal receiving mode, call mode, logging mode, speech recognition mode, broadcast reception mode at mobile terminal, voice data convert audio signals that is that wireless communication unit 110 is received or that store in storer 160 and exporting as sound.And dio Output Modules 152 can provide the audio frequency relevant to the specific function that mobile terminal 100 performs to export (such as, call signal receives sound, message sink sound etc.).Dio Output Modules 152 can comprise loudspeaker, hummer etc.
Alarm modules 153 can provide and export that event informed to mobile terminal 100.Typical event can comprise calling reception, message sink, key signals input, touch input etc.Except audio or video exports, alarm modules 153 can provide in a different manner and export with the generation of notification event.Such as, alarm modules 153 can provide output with the form of vibration, when receive calling, message or some other enter communication (incomingcommunication) time, alarm modules 153 can provide sense of touch to export (that is, vibrating) to notify to user.By providing such sense of touch to export, even if when the mobile phone of user is in the pocket of user, user also can identify the generation of various event.Alarm modules 153 also can provide the output of the generation of notification event via display module 151 or dio Output Modules 152.
Storer 160 software program that can store process and the control operation performed by controller 180 etc., or temporarily can store oneself through exporting the data (such as, telephone directory, message, still image, video etc.) that maybe will export.And, storer 160 can store about when touch be applied to touch-screen time the vibration of various modes that exports and the data of sound signal.
Storer 160 can comprise the storage medium of at least one type, described storage medium comprises flash memory, hard disk, multimedia card, card-type storer (such as, SD or DX storer etc.), random access storage device (RAM), static random-access memory (SRAM), ROM (read-only memory) (ROM), Electrically Erasable Read Only Memory (EEPROM), programmable read only memory (PROM), magnetic storage, disk, CD etc.And mobile terminal 100 can be connected the memory function of execute store 160 network storage device with by network cooperates.
Controller 180 controls the overall operation of mobile terminal usually.Such as, controller 180 performs the control relevant to voice call, data communication, video calling etc. and process.In addition, controller 180 can comprise the multi-media module 1810 for reproducing (or playback) multi-medium data, and multi-media module 1810 can be configured in controller 180, or can be configured to be separated with controller 180.Controller 180 can pattern recognition process, is identified as character or image so that input is drawn in the handwriting input performed on the touchscreen or picture.
Power supply unit 190 receives external power or internal power and provides each element of operation and the suitable electric power needed for assembly under the control of controller 180.
Various embodiment described herein can to use such as computer software, the computer-readable medium of hardware or its any combination implements.For hardware implementation, embodiment described herein can by using application-specific IC (ASIC), digital signal processor (DSP), digital signal processing device (DSPD), programmable logic device (PLD), field programmable gate array (FPGA), processor, controller, microcontroller, microprocessor, being designed at least one performed in the electronic unit of function described herein and implementing, in some cases, such embodiment can be implemented in controller 180.For implement software, the embodiment of such as process or function can be implemented with allowing the independent software module performing at least one function or operation.Software code can be implemented by the software application (or program) write with any suitable programming language, and software code can be stored in storer 160 and to be performed by controller 180.
So far, oneself is through the mobile terminal according to its functional description.Below, for the sake of brevity, by the slide type mobile terminal that describes in various types of mobile terminals of such as folded form, board-type, oscillating-type, slide type mobile terminal etc. exemplarily.Therefore, the present invention can be applied to the mobile terminal of any type, and is not limited to slide type mobile terminal.
Mobile terminal 100 as shown in Figure 1 can be constructed to utilize and send the such as wired and wireless communication system of data via frame or grouping and satellite-based communication system operates.
Describe wherein according to the communication system that mobile terminal of the present invention can operate referring now to Fig. 2.
Such communication system can use different air interfaces and/or Physical layer.Such as, the air interface used by communication system comprises such as frequency division multiple access (FDMA), time division multiple access (TDMA) (TDMA), CDMA (CDMA) and universal mobile telecommunications system (UMTS) (especially, Long Term Evolution (LTE)), global system for mobile communications (GSM) etc.As non-limiting example, description below relates to cdma communication system, but such instruction is equally applicable to the system of other type.
With reference to figure 2, cdma wireless communication system can comprise multiple mobile terminal 100, multiple base station (BS) 270, base station controller (BSC) 275 and mobile switching centre (MSC) 280.MSC280 is constructed to form interface with Public Switched Telephony Network (PSTN) 290.MSC280 is also constructed to form interface with the BSC275 that can be couple to base station 270 via back haul link.Back haul link can construct according to any one in some interfaces that oneself knows, described interface comprises such as E1/T1, ATM, IP, PPP, frame relay, HDSL, ADSL or xDSL.Will be appreciated that system as shown in Figure 2 can comprise multiple BSC2750.
Each BS270 can serve one or more subregion (or region), by multidirectional antenna or point to specific direction each subregion of antenna cover radially away from BS270.Or each subregion can by two or more antenna covers for diversity reception.Each BS270 can be constructed to support multiple parallel compensate, and each parallel compensate has specific frequency spectrum (such as, 1.25MHz, 5MHz etc.).
Subregion can be called as CDMA Channel with intersecting of parallel compensate.BS270 also can be called as base station transceiver subsystem (BTS) or other equivalent terms.Under these circumstances, term " base station " may be used for broadly representing single BSC275 and at least one BS270.Base station also can be called as " cellular station ".Or each subregion of particular B S270 can be called as multiple cellular station.
As shown in Figure 2, broadcast singal is sent to the mobile terminal 100 at operate within systems by broadcsting transmitter (BT) 295.Broadcast reception module 111 as shown in Figure 1 is arranged on mobile terminal 100 and sentences the broadcast singal receiving and sent by BT295.In fig. 2, several GPS (GPS) satellite 300 is shown.Satellite 300 helps at least one in the multiple mobile terminal 100 in location.
In fig. 2, depict multiple satellite 300, but understand, the satellite of any number can be utilized to obtain useful locating information.GPS module 115 as shown in Figure 1 is constructed to coordinate to obtain the locating information wanted with satellite 300 usually.Substitute GPS tracking technique or outside GPS tracking technique, can use can other technology of position of tracking mobile terminal.In addition, at least one gps satellite 300 optionally or extraly can process satellite dmb transmission.
As a typical operation of wireless communication system, BS270 receives the reverse link signal from various mobile terminal 100.Mobile terminal 100 participates in call usually, information receiving and transmitting communicates with other type.Each reverse link signal that certain base station 270 receives is processed by particular B S270.The data obtained are forwarded to relevant BSC275.BSC provides call Resourse Distribute and comprises the mobile management function of coordination of the soft switching process between BS270.The data received also are routed to MSC280 by BSC275, and it is provided for the extra route service forming interface with PSTN290.Similarly, PSTN290 and MSC280 forms interface, and MSC and BSC275 forms interface, and BSC275 correspondingly control BS270 so that forward link signals is sent to mobile terminal 100.
Based on above-mentioned mobile terminal hardware configuration and communication system, each embodiment of method that the present invention Loads Image according to screen resolution is proposed.
As shown in Figure 3, propose method first embodiment that the present invention Loads Image according to screen resolution, said method comprising the steps of:
S11, server store the picture of at least two kinds of specifications according to screen resolution grade.
In this step S11, picture is defined as at least two kinds of specifications according to screen resolution grade by server, make and store the picture of at least two kinds of specifications, the picture of the corresponding a kind of specification of each screen resolution grade, suppose that screen resolution grade has N level, then store the picture of specification in N, N is more than or equal to 2.Described server can be understood as Website server.
Such as, screen resolution grade comprises high definition screen and ordinary screen two grades, server then stores the picture of high definition picture and normal picture two kinds of specifications, and wherein the resolution difference of high definition 5K screen and common screen is just 2 times, and corresponding high definition picture size is also the twice of normal picture size.And for example, screen resolution grade comprises ultra high-definition screen, high definition screen and ordinary screen Three Estate, and server then stores the picture of ultra high-definition picture, high definition picture and normal picture three kinds of specifications.
When S12, terminal loads picture, judge the screen resolution grade of this terminal, load the picture of dimension according to screen resolution grade.
In this step S12, when terminal is Loaded Image by browser or other application, first judge which screen resolution grade the screen of this terminal belongs to, then load the picture of dimension according to screen resolution grade.
Wherein, for the judgement of screen resolution grade, specifically can realize in the following manner:
Terminal obtains the parameter information in CSS3 (CSS (cascading style sheet) 3, CascadingStylesheet3), judges the screen resolution grade of this terminal according to parameter information.Parameter information in CSS3 comprise device-pixel-ratio (ratio of physical picture element and equipment independent pixel) or/and dppx (every pixel comprises quantity a little, dotsperpixel), that is: terminal can by the parameter information device-pixel-ratio in CSS3 or/and dppx judges the screen resolution grade of this terminal.
Suppose that screen resolution grade comprises high definition screen and ordinary screen two grades, when the value of device-pixel-ratio equals the first setting value (as equaling 2) or/and when dppx is more than or equal to preset value, judge that the screen of this terminal is high definition screen; When the value of device-pixel-ratio equals the second setting value (as equaling 1) or/and when dppx is less than preset value, judge that the screen of this terminal is ordinary screen.
For example, terminal is packaged function in load page, by the attribute webkit-min-device-pixel-ratio in CSS3 and min-resolution:1.5dppx parameter, judges whether it is high definition screen (as retina5K screen).As device-pixel-ratio=1, being then ordinary screen, as device-pixel-ratio=2, is then high definition screen; Simultaneously, the resolution of ordinary screen is generally 96dpi, the resolution of high definition screen is greater than 192dpi usually, 192dpi equals 2dppx, the preset value of dppx can be set accordingly to judge screen resolution grade, or by arranging minimum value min-resolution:1.5dppx, as long as it is exactly high definition screen that dppx is more than or equal to 1.5, being less than 1.5 is exactly ordinary screen.As preferably, work as device-pixel-ratio=2, and when dppx is more than or equal to 1.5, is then judged as high definition screen, works as device-pixel-ratio=1, and when dppx is less than 1.5, be then judged as ordinary screen.
For the loading of picture, specifically by realizing with under type:
Suppose that screen resolution grade comprises high definition screen and ordinary screen, corresponding picture specification is respectively high definition picture and normal picture.Terminal then writes common src address and high definition src address (as src [data-src]) in load page; When screen resolution grade is high definition screen, the value of high definition src address is utilized to cover the value of common src address, to load high definition picture; When screen resolution grade is ordinary screen, utilize the value of common src address to show address, namely utilize common src address as load address, to load normal picture.
Suppose that screen resolution grade comprises ultra high-definition screen, high definition screen and ordinary screen, corresponding picture specification is respectively ultra high-definition picture, high definition picture and normal picture.Terminal then writes common src address, high definition src address and ultra high-definition src address in load page; When screen resolution grade is ultra high-definition screen, the value of ultra high-definition src address is utilized to cover the value of common src address, to load ultra high-definition picture; When screen resolution grade is high definition screen, the value of high definition src address is utilized to cover the value of common src address, to load high definition picture; When screen resolution grade is ordinary screen, utilize the value of common src address to show address, namely utilize common src address as load address, to load normal picture.
As shown in Figure 4, propose method second embodiment that the present invention Loads Image according to screen resolution, said method comprising the steps of:
The picture of S21, server stores high definition picture and normal picture two kinds of specifications.
In the present embodiment, screen resolution grade comprises high definition screen and ordinary screen two grades, and picture is defined as high definition and common two kinds of specifications by server accordingly, makes and stores the picture of high definition picture and normal picture two kinds of specifications.
Whether S22, terminal judges are high definition screens.
In this step S22, whether when terminal is Loaded Image by browser or other application, first judging which grade is the screen resolution grade of this terminal belong to, is high definition screen.
Concrete, terminal obtains the parameter information in CSS3 (CSS (cascading style sheet) 3, CascadingStylesheet3), judges the screen resolution grade of this terminal according to parameter information.Parameter information in CSS3 comprise device-pixel-ratio (ratio of physical picture element and equipment independent pixel) or/and dppx (every pixel comprises quantity a little, dotsperpixel), that is: terminal can by the parameter information device-pixel-ratio in CSS3 or/and dppx judges the screen resolution grade of this terminal.Such as: when the value of device-pixel-ratio equals the first setting value (as equaling 2) or/and when dppx is more than or equal to preset value (as 1.5), judge that the screen of this terminal is high definition screen; When the value of device-pixel-ratio equals the second setting value (as equaling 1) or/and when dppx is less than preset value (as 1.5), judge that the screen of this terminal is ordinary screen.
S23, terminal loads high definition picture.
Concrete, terminal writes common src address and high definition src address (as src [data-src]) in load page, when screen resolution grade is high definition screen, the value of high definition src address is utilized to cover the value of common src address, to load high definition picture.
S24, terminal loads normal picture.
Concrete, terminal writes common src address and high definition src address (as src [data-src]) in load page, when screen resolution grade is ordinary screen, utilize the value of common src address to show address, namely utilize common src address as load address, to load normal picture.
As shown in Figure 5, propose method the 3rd embodiment that the present invention Loads Image according to screen resolution, described method is applied to terminal, comprises the following steps:
S31, when Loading Image, judge the screen resolution grade of this terminal.
In this step S31, when terminal is Loaded Image by browser or other application, first judge which screen resolution grade the screen of this terminal belongs to.
Concrete, terminal obtains the parameter information in CSS3 (CSS (cascading style sheet) 3, CascadingStylesheet3), judges the screen resolution grade of this terminal according to parameter information.Parameter information in CSS3 comprise device-pixel-ratio (ratio of physical picture element and equipment independent pixel) or/and dppx (every pixel comprises quantity a little, dotsperpixel), that is: terminal can by the parameter information device-pixel-ratio in CSS3 or/and dppx judges the screen resolution grade of this terminal.
Suppose that screen resolution grade comprises high definition screen and ordinary screen two grades, when the value of device-pixel-ratio equals the first setting value (as equaling 2) or/and when dppx is more than or equal to preset value, judge that the screen of this terminal is high definition screen; When the value of device-pixel-ratio equals the second setting value (as equaling 1) or/and when dppx is less than preset value, judge that the screen of this terminal is ordinary screen.
For example, terminal is packaged function in load page, by the attribute webkit-min-device-pixel-ratio in CSS3 and min-resolution:1.5dppx parameter, judges whether it is high definition screen (as retina5K screen).As device-pixel-ratio=1, being then ordinary screen, as device-pixel-ratio=2, is then high definition screen; Simultaneously, the resolution of ordinary screen is generally 96dpi, the resolution of high definition screen is greater than 192dpi usually, 192dpi equals 2dppx, the preset value of dppx can be set accordingly to judge screen resolution grade, or by arranging minimum value min-resolution:1.5dppx, as long as it is exactly high definition screen that dppx is more than or equal to 1.5, being less than 1.5 is exactly ordinary screen.As preferably, work as device-pixel-ratio=2, and when dppx is more than or equal to 1.5, is then judged as high definition screen, works as device-pixel-ratio=1, and when dppx is less than 1.5, be then judged as ordinary screen.
S32, load the picture of dimension according to screen resolution grade.
Suppose that screen resolution grade comprises high definition screen and ordinary screen, corresponding picture specification is respectively high definition picture and normal picture.Terminal then writes common src address and high definition src address (as src [data-src]) in load page; When screen resolution grade is high definition screen, the value of high definition src address is utilized to cover the value of common src address, to load high definition picture; When screen resolution grade is ordinary screen, utilize the value of common src address to show address, namely utilize common src address as load address, to load normal picture.
Suppose that screen resolution grade comprises ultra high-definition screen, high definition screen and ordinary screen, corresponding picture specification is respectively ultra high-definition picture, high definition picture and normal picture.Terminal then writes common src address, high definition src address and ultra high-definition src address in load page; When screen resolution grade is ultra high-definition screen, the value of ultra high-definition src address is utilized to cover the value of common src address, to load ultra high-definition picture; When screen resolution grade is high definition screen, the value of high definition src address is utilized to cover the value of common src address, to load high definition picture; When screen resolution grade is ordinary screen, utilize the value of common src address to show address, to load normal picture.
As shown in Figure 6, propose method the 4th embodiment that method of the present invention Loads Image according to screen resolution, described method is applied to terminal, comprises the following steps:
S41, judge whether it is high definition screen.
In this step S41, whether when terminal is Loaded Image by browser or other application, first judging which grade is the screen resolution grade of this terminal belong to, is high definition screen.
Concrete, terminal obtains the parameter information in CSS3 (CSS (cascading style sheet) 3, CascadingStylesheet3), judges the screen resolution grade of this terminal according to parameter information.Parameter information in CSS3 comprise device-pixel-ratio (ratio of physical picture element and equipment independent pixel) or/and dppx (every pixel comprises quantity a little, dotsperpixel), that is: terminal can by the parameter information device-pixel-ratio in CSS3 or/and dppx judges the screen resolution grade of this terminal.Such as: when the value of device-pixel-ratio equals the first setting value (as equaling 2) or/and when dppx is more than or equal to preset value (as 1.5), judge that the screen of this terminal is high definition screen; When the value of device-pixel-ratio equals the second setting value (as equaling 1) or/and when dppx is less than preset value (as 1.5), judge that the screen of this terminal is ordinary screen.
S42, loading high definition picture.
Concrete, terminal writes common src address and high definition src address (as src [data-src]) in load page, when screen resolution grade is high definition screen, the value of high definition src address is utilized to cover the value of common src address, to load high definition picture.
S43, loading normal picture.
Concrete, terminal writes common src address and high definition src address (as src [data-src]) in load page, when screen resolution grade is ordinary screen, utilize the value of common src address to show address, namely utilize common src address as load address, to load normal picture.
The method that the present invention Loads Image according to screen resolution, server is first according to the picture of two or more specifications of quality of screen resolution tier definition, during terminal loads picture, the picture of dimension is then loaded according to the screen resolution grade of this terminal, thus achieving the picture of on-demand loading different quality specification, the picture of the terminal loads different quality specification of different screen resolutions, improves page rendering speed, improve web site performance, and greatly save bandwidth resources.Meanwhile, judge that computing and picture are played up and all complete in terminal, saved server resource.
Method of the present invention is in specific implementation, js script can be utilized in the advantage of client, coordinate html language, generate two kinds of (or multiple) picture addresses, represent by different fields respectively, with the packaged function of script, load the picture of respective quality specification according to screen resolution grade, such as: if high cls, just load high definition picture, if common screen, just load normal picture.The embodiment of the present invention utilizes script and html to inject literary style, maintains easily and adds field, facilitates foreground to add picture, is particularly useful for the project needing to support high cls, is conducive to Branding image.
The present invention further provides a kind of system Loaded Image according to screen resolution, as shown in Figure 7, described system comprises server and terminal, wherein:
Server: for storing the picture of at least two kinds of specifications according to screen resolution grade.
Concrete, picture is defined as at least two kinds of specifications according to screen resolution grade by server, make and store the picture of at least two kinds of specifications, the picture of the corresponding a kind of specification of each screen resolution grade, suppose that screen resolution grade has N level, then store the picture of specification in N, N is more than or equal to 2.
Such as, screen resolution grade comprises high definition screen and ordinary screen two grades, and server then stores the picture of high definition picture and normal picture two kinds of specifications.And for example, screen resolution grade comprises ultra high-definition screen, high definition screen and ordinary screen Three Estate, and server then stores the picture of ultra high-definition picture, high definition picture and normal picture three kinds of specifications.
Terminal: for when Loading Image, judges the screen resolution grade of this terminal, loads the picture of dimension according to screen resolution grade.
When terminal is Loaded Image by browser or other application, first judge which screen resolution grade the screen of this terminal belongs to, then load the picture of dimension according to screen resolution grade.
Concrete, terminal obtains the parameter information in CSS3, judges the screen resolution grade of this terminal according to parameter information.Parameter information in CSS3 comprises device-pixel-ratio or/and dppx, that is: terminal can by the parameter information device-pixel-ratio in CSS3 or/and dppx judges the screen resolution grade of this terminal.
Suppose that screen resolution grade comprises high definition screen and ordinary screen two grades, when the value of device-pixel-ratio equals the first setting value (as equaling 2) or/and when dppx is more than or equal to preset value, judge that the screen of this terminal is high definition screen; When the value of device-pixel-ratio equals the second setting value (as equaling 1) or/and when dppx is less than preset value, judge that the screen of this terminal is ordinary screen.
For example, terminal is packaged function in load page, by the attribute webkit-min-device-pixel-ratio in CSS3 and min-resolution:1.5dppx parameter, judges whether it is high definition screen (as retina5K screen).As device-pixel-ratio=1, being then ordinary screen, as device-pixel-ratio=2, is then high definition screen; Simultaneously, the resolution of ordinary screen is generally 96dpi, the resolution of high definition screen is greater than 192dpi usually, 192dpi equals 2dppx, the preset value of dppx can be set accordingly to judge screen resolution grade, or by arranging minimum value min-resolution:1.5dppx, as long as it is exactly high definition screen that dppx is more than or equal to 1.5, being less than 1.5 is exactly ordinary screen.As preferably, work as device-pixel-ratio=2, and when dppx is more than or equal to 1.5, is then judged as high definition screen, works as device-pixel-ratio=1, and when dppx is less than 1.5, be then judged as ordinary screen.
When terminal loads the picture of dimension according to screen resolution grade, specifically by realizing with under type:
Suppose that screen resolution grade comprises high definition screen and ordinary screen, corresponding picture specification is respectively high definition picture and normal picture.Terminal then writes common src address and high definition src address (as src [data-src]) in load page; When screen resolution grade is high definition screen, the value of high definition src address is utilized to cover the value of common src address, to load high definition picture; When screen resolution grade is ordinary screen, utilize the value of common src address to show address, namely utilize common src address as load address, to load normal picture.
Suppose that screen resolution grade comprises ultra high-definition screen, high definition screen and ordinary screen, corresponding picture specification is respectively ultra high-definition picture, high definition picture and normal picture.Terminal then writes common src address, high definition src address and ultra high-definition src address in load page; When screen resolution grade is ultra high-definition screen, the value of ultra high-definition src address is utilized to cover the value of common src address, to load ultra high-definition picture; When screen resolution grade is high definition screen, the value of high definition src address is utilized to cover the value of common src address, to load high definition picture; When screen resolution grade is ordinary screen, utilize the value of common src address to show address, namely utilize common src address as load address, to load normal picture.
The system that the present invention Loads Image according to screen resolution, by the picture of server according to two or more specifications of quality of screen resolution tier definition, during terminal loads picture, the picture of dimension is then loaded according to the screen resolution grade of this terminal, thus achieving the picture of on-demand loading different quality specification, the picture of the terminal loads different quality specification of different screen resolutions, improves page rendering speed, improve web site performance, and greatly save bandwidth resources.Meanwhile, judge that computing and picture are played up and all complete in terminal, saved server resource.
System of the present invention is in specific implementation, terminal can utilize js script in the advantage of client, coordinate html language, generate two kinds of (or multiple) picture addresses, represent by different fields respectively, with the packaged function of script, load the picture of respective quality specification according to screen resolution grade, such as: if high cls, just load high definition picture, if common screen, just load normal picture.The embodiment of the present invention utilizes script and html to inject literary style, maintains easily and adds field, facilitates foreground to add picture, is particularly useful for the project needing to support high cls, is conducive to Branding image.
The present invention further provides a kind of device Loaded Image according to screen resolution, be applied to aforementioned mobile terminal.Now based on above-mentioned mobile terminal hardware configuration and communication system, device one embodiment that the present invention Loads Image according to screen resolution is proposed.As shown in Figure 8, described device comprises judge module and load-on module, wherein:
Judge module: for when Loading Image, judges the screen resolution grade of this terminal.
Concrete, judge module obtains the parameter information in CSS3, judges the screen resolution grade of this terminal according to parameter information.Parameter information in CSS3 comprises device-pixel-ratio or/and dppx, that is: terminal can by the parameter information device-pixel-ratio in CSS3 or/and dppx judges the screen resolution grade of this terminal.
Suppose that screen resolution grade comprises high definition screen and ordinary screen two grades, when the value of device-pixel-ratio equals the first setting value (as equaling 2) or/and when dppx is more than or equal to preset value, judge that the screen of this terminal is high definition screen; When the value of device-pixel-ratio equals the second setting value (as equaling 1) or/and when dppx is less than preset value, judge that the screen of this terminal is ordinary screen.
For example, judge module, by the attribute webkit-min-device-pixel-ratio in CSS3 and min-resolution:1.5dppx parameter, judges whether it is high definition screen (as retina5K screen).As device-pixel-ratio=1, being then ordinary screen, as device-pixel-ratio=2, is then high definition screen; Simultaneously, the resolution of ordinary screen is generally 96dpi, the resolution of high definition screen is greater than 192dpi usually, 192dpi equals 2dppx, the preset value of dppx can be set accordingly to judge screen resolution grade, or by arranging minimum value min-resolution:1.5dppx, as long as it is exactly high definition screen that dppx is more than or equal to 1.5, being less than 1.5 is exactly ordinary screen.As preferably, work as device-pixel-ratio=2, and when dppx is more than or equal to 1.5, is then judged as high definition screen, works as device-pixel-ratio=1, and when dppx is less than 1.5, be then judged as ordinary screen.
Load-on module: for loading the picture of dimension according to screen resolution grade.
Suppose that screen resolution grade comprises high definition screen and ordinary screen, corresponding picture specification is respectively high definition picture and normal picture.Load-on module then writes common src address and high definition src address (as src [data-src]) in load page; When screen resolution grade is high definition screen, the value of high definition src address is utilized to cover the value of common src address, to load high definition picture; When screen resolution grade is ordinary screen, utilize the value of common src address to show address, namely utilize common src address as load address, to load normal picture.
Suppose that screen resolution grade comprises ultra high-definition screen, high definition screen and ordinary screen, corresponding picture specification is respectively ultra high-definition picture, high definition picture and normal picture.Load-on module then writes common src address, high definition src address and ultra high-definition src address in load page; When screen resolution grade is ultra high-definition screen, the value of ultra high-definition src address is utilized to cover the value of common src address, to load ultra high-definition picture; When screen resolution grade is high definition screen, the value of high definition src address is utilized to cover the value of common src address, to load high definition picture; When screen resolution grade is ordinary screen, utilize the value of common src address to show address, namely utilize common src address as load address, to load normal picture.
The device that the present invention Loads Image according to screen resolution, when Loading Image, judge the screen resolution grade of this terminal, the picture of dimension is loaded according to screen resolution grade, thus achieving the picture of on-demand loading different quality specification, the picture of the terminal loads different quality specification of different screen resolutions, improves page rendering speed, improve web site performance, and greatly save bandwidth resources.Meanwhile, judge that computing and picture are played up and all complete in terminal, saved server resource.
Device of the present invention is in specific implementation, terminal can utilize js script in the advantage of client, coordinate html language, generate two kinds of (or multiple) picture addresses, represent by different fields respectively, with the packaged function of script, load the picture of respective quality specification according to screen resolution grade, such as: if high cls, just load high definition picture, if common screen, just load normal picture.The embodiment of the present invention utilizes script and html to inject literary style, maintains easily and adds field, facilitates foreground to add picture, is particularly useful for the project needing to support high cls, is conducive to Branding image.
The method and apparatus that the present invention Loads Image according to screen resolution, except being applied to mobile terminal, can also be applied to the immobile terminal such as PC.
It should be noted that, in this article, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or device and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or device.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the device comprising this key element and also there is other identical element.
The invention described above embodiment sequence number, just to describing, does not represent the quality of embodiment.
Through the above description of the embodiments, those skilled in the art can be well understood to the mode that above-described embodiment method can add required general hardware platform by software and realize, hardware can certainly be passed through, but in a lot of situation, the former is better embodiment.Based on such understanding, technical scheme of the present invention can embody with the form of software product the part that prior art contributes in essence in other words, this computer software product is stored in a storage medium (as ROM/RAM, magnetic disc, CD), comprising some instructions in order to make a station terminal equipment (can be mobile phone, computing machine, server, air conditioner, or the network equipment etc.) perform method described in each embodiment of the present invention.
These are only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every utilize instructions of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. according to the device that screen resolution Loads Image, be applied to terminal, it is characterized in that, comprising:
Judge module, for when Loading Image, judges the screen resolution grade of this terminal;
Load-on module, for loading the picture of dimension according to described screen resolution grade.
2. the device Loaded Image according to screen resolution according to claim 1, is characterized in that, described judge module is used for:
Parameter information in securing layer stacking style table CSS3, judges the screen resolution grade of this terminal according to described parameter information.
3. the device Loaded Image according to screen resolution according to claim 2, it is characterized in that, the parameter information in described CSS3 comprises the ratio device-pixel-ratio of physical picture element and equipment independent pixel or/and every pixel comprises quantity dppx a little.
4. the device Loaded Image according to screen resolution according to claim 3, is characterized in that, described screen resolution grade comprises high definition screen and ordinary screen, and corresponding picture specification is respectively high definition picture and normal picture, and described judge module is used for:
When the value of described device-pixel-ratio equals the first setting value or/and when described dppx is more than or equal to preset value, judge that the screen of this terminal is high definition screen;
When the value of described device-pixel-ratio equals the second setting value or/and when described dppx is less than preset value, judge that the screen of this terminal is ordinary screen.
5. the device Loaded Image according to screen resolution according to claim 4, is characterized in that, described load-on module is used for:
Common src address and high definition src address is write in load page;
When described screen resolution grade is high definition screen, the value of described high definition src address is utilized to cover the value of described common src address, to load described high definition picture;
When described screen resolution grade is ordinary screen, utilize described common src address as load address, to load described normal picture.
6. according to the method that screen resolution Loads Image, be applied to terminal, it is characterized in that, comprise step:
When Loading Image, judge the screen resolution grade of this terminal;
The picture of dimension is loaded according to described screen resolution grade.
7. the method Loaded Image according to screen resolution according to claim 6, it is characterized in that, the screen resolution grade of described this terminal of judgement comprises: the parameter information in securing layer stacking style table CSS3, judges the screen resolution grade of this terminal according to described parameter information.
8. the method Loaded Image according to screen resolution according to claim 7, it is characterized in that, the parameter information in described CSS3 comprises the ratio device-pixel-ratio of physical picture element and equipment independent pixel or/and every pixel comprises quantity dppx a little.
9. the method Loaded Image according to screen resolution according to claim 8, it is characterized in that, described screen resolution grade comprises high definition screen and ordinary screen, corresponding picture specification is respectively high definition picture and normal picture, the described screen resolution grade judging this terminal according to described parameter information:
When the value of described device-pixel-ratio equals the first setting value or/and when described dppx is more than or equal to preset value, judge that the screen of this terminal is high definition screen;
When the value of described device-pixel-ratio equals the second setting value or/and when described dppx is less than preset value, judge that the screen of this terminal is ordinary screen.
10. the method Loaded Image according to screen resolution according to claim 9, is characterized in that, the picture loading dimension according to described screen resolution grade comprises:
Common src address and high definition src address is write in load page;
When described screen resolution grade is high definition screen, the value of described high definition src address is utilized to cover the value of described common src address, to load described high definition picture;
When described screen resolution grade is ordinary screen, utilize described common src address as load address, to load described normal picture.
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Application publication date: 20160203 |