CN109542546A - A kind of throwing screen method and device at application process window and interface - Google Patents
A kind of throwing screen method and device at application process window and interface Download PDFInfo
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- CN109542546A CN109542546A CN201811167090.8A CN201811167090A CN109542546A CN 109542546 A CN109542546 A CN 109542546A CN 201811167090 A CN201811167090 A CN 201811167090A CN 109542546 A CN109542546 A CN 109542546A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/451—Execution arrangements for user interfaces
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Abstract
本发明公开了一种应用进程窗口及界面的投屏方法，包括以下步骤：采集步骤：获取计算机中的进程；判断步骤：判断所述进程是否拥有可见窗口，如果是，则执行截图获取步骤；截图获取步骤：获取可见窗口的界面截图；投放步骤：将获得的界面截图后投放到对应的屏幕上。本发明还公开了一种电子设备和计算机可读存储介质。本发明的应用进程窗口及界面的投屏方法通过判断获取到的进行是否拥有可见窗口，以及对获取到的可见窗口进行截图操作，以使得系统更方便的对进程对应的窗口进行投屏操作，大大提升了投屏操作的工作效率。
The invention discloses a screen projection method for application process windows and interfaces, comprising the following steps: a collection step: acquiring a process in a computer; a judging step: judging whether the process has a visible window, and if so, executing a screenshot acquisition step; Steps for obtaining screenshots: Obtaining interface screenshots of visible windows; Steps for posting: Posting the obtained screenshots on the corresponding screen. The invention also discloses an electronic device and a computer-readable storage medium. The screen projection method of the application process window and the interface of the present invention determines whether the acquired process has a visible window, and performs a screenshot operation on the acquired visible window, so that the system can more conveniently perform the screen projection operation on the window corresponding to the process, Greatly improve the work efficiency of screen projection operation.
Description
Technical field
The present invention relates to a kind of field of computer technology more particularly to a kind of application process window and the throwing screen methods at interface
And device.
Background technique
Currently, the considerations of for convenience and application demand, it usually needs mixed together between multiple and different processes
Perforation, in specific manifestation mode, usually calls one or more external progress by host process.In existing master
Process is called in the implementation method of multiple external progress, when calling external progress, is usually opened for each external progress independent
Window, i.e. host process and each external progress be respectively provided with independent window, and uncorrelated in display mode between each window
Connection.Do using throw screen software when, find there are many processes on a computer, it is some be it is not displayable, have
It is background process, there are some processes at all without window, then software just needs to identify which is energy when the process of selection
Enough applications for throwing screen.
Summary of the invention
For overcome the deficiencies in the prior art, one of the objects of the present invention is to provide a kind of application process window and interfaces
Throwing screen method, can be more convenient to carry out the process got using throwing screen.
The second object of the present invention is to provide a kind of electronic equipment, can be more convenient to apply the process got
Throw screen.
The third object of the present invention is to provide a kind of computer readable storage medium, can be more convenient to get into
Screen is thrown in Cheng Jinhang application.
An object of the present invention adopts the following technical scheme that realization:
A kind of throwing screen method at application process window and interface, comprising the following steps:
Acquisition step: the process in computer is obtained；
Judgment step: judging whether the process possesses visibility window, if it is, executing screenshot obtaining step；
Screenshot obtaining step: the interface screenshot of visibility window is obtained；
It launches step: will launch after the interface screenshot of acquisition onto corresponding screen.
Further, the judgment step specifically includes following sub-step:
Identifier obtaining step: the progress recognizing number of the process is obtained；
ID list acquiring step: the window ID list of the process is obtained according to progress recognizing number；
Analytical procedure: each of the window ID list of process window ID is analyzed whether to judge each window ID
It is visibility window, if it is, executing screenshot obtaining step.
Further, in the judgment step, known by the process for calling window api function to obtain the process
Alias and calling window api function obtain the window ID list of the process.
Further, following sub-step is specifically included in the analytical procedure:
Whether the number for judging the window ID in the window ID list got is zero, if it is not, then performing the next step；
Judge whether the window ID belongs to window classification, if it is, performing the next step；
Judge whether window ID can be in operation interface as it can be seen that if it is, performing the next step；
The window ID is judged with the presence or absence of window title, if it is, performing the next step；
Whether the width and/or height for judging the window of the window ID got are zero, if it is, performing the next step；
Extract the window ID for possessing visibility window.
Further, in the analytical procedure, the other judgement of the window class, the whether visible judgement of window ID, window
Acquisition, the width of window and the acquisition of height of mouth title pass through window api function and obtain.
Further, the screenshot obtaining step specifically: by using window api printfWindow function root
The interface screenshot of visibility window is obtained according to visibility window ID.
Further, further include image processing step after screenshot obtaining step:
Obtain the wide height of pixel of interface screenshot；
Judge the pixel of the interface screenshot it is wide it is high whether be more than system desktop the wide height of pixel, if it is, under executing
One step；
After carrying out shot operation to interface screenshot according to the wide height of the pixel of screenshot starting point and system desktop to obtain processing
Interface screenshot.
Further, the acquisition of the screenshot starting point is calculated by screenshot starting point coordinate calculation formula, described
Screenshot starting point coordinate calculation formula are as follows: ((w_c-w_s)/2, (h_c-h_s)/2)；Wherein, the wide high score of the pixel of interface screenshot
Not Cai Yong w_c and h_c, the wide height of the pixel of system desktop is w_s and h_s respectively.
The second object of the present invention adopts the following technical scheme that realization:
A kind of electronic equipment can be run on a memory and on a processor including memory, processor and storage
Computer program, the processor are realized when executing the computer program one described in any one of one of the object of the invention
The throwing screen method at kind application process window and interface.
The third object of the present invention adopts the following technical scheme that realization:
A kind of computer readable storage medium, is stored thereon with computer program, and the computer program is held by processor
A kind of throwing screen method of the application process window and interface as described in any one of one of the object of the invention is realized when row.
Compared with prior art, the beneficial effects of the present invention are:
The throwing screen method of application process window and interface of the invention by judgement get be made whether to possess it is visible
Window, and shot operation is carried out to the visibility window that gets so that system more easily to the corresponding window of process into
Row throws screen operation, greatly improves the working efficiency for throwing screen operation.
Detailed description of the invention
Fig. 1 is the flow chart of the throwing screen method of the application process window and interface in embodiment one；
Fig. 2 is the specific flow chart of the judgment step in embodiment one；
Fig. 3 is the specific flow chart in the image processing step in embodiment one.
Specific embodiment
In the following, being described further in conjunction with attached drawing and specific embodiment to the present invention, it should be noted that not
Under the premise of conflicting, new implementation can be formed between various embodiments described below or between each technical characteristic in any combination
Example.
Embodiment one
Before illustrating Principle Method, first simply introduces, which data is handled, this method processing
Object is the process of computer on window, and process (Process) is program in computer about primary on certain data acquisition system
Operation activity is the basic unit that system carries out Resource Distribution and Schedule.One opened on window in simple terms applies journey
Sequence is exactly the embodiment of a process.Some processes are that window, some processes only do not work in system operation quietly, will not
It is embodied in the operation interface of user.Let alone its interface is acquired.
As shown in Figure 1, present embodiments providing a kind of throwing screen method at application process window and interface, including following step
It is rapid:
S1: the process in computer is obtained；This step is primarily to get corresponding process, and as one
A judgement basis, when this single stepping, can there are two types of mode operation, one is obtain computer in it is all into
Journey, or current computer in ongoing process, obtaining step mode here can make user according to reality
Border demand is designed.
S2: judging whether the process possesses visibility window, if so, thening follow the steps S3；This step is judgment step,
As shown in Fig. 2, the judgment step specifically includes following sub-step:
Identifier obtaining step: by calling window api function to obtain the progress recognizing number to be collected；Process is known
For alias as the key connecting with process, each process has unique PID number (progress recognizing number).System when it is process operation
What system was randomly assigned, do not represent special process.PID will not change identifier at runtime, but your terminator
After the PID identifier that reruns will be recovered in the system, it is possible to can continue to distribute to the program newly run.
ID list acquiring step: the window ID list of the process is obtained according to progress recognizing number；
Analytical procedure: each of the window ID list of process window ID is analyzed whether to judge each window ID
It is visibility window, if so, thening follow the steps S3.In the judgment step, by calling window api function to obtain institute
The progress recognizing number and calling window api function of stating process obtain the window ID list of the process.
Following sub-step is specifically included in the analytical procedure:
Whether the number for judging the window ID in the window ID list got is zero, if it is not, then performing the next step；?
It is to mean that no window when the number of window ID is equal to 0, then identification can be exited, carry out next process
Identification operation.
Judge whether the window ID belongs to window classification, if it is, performing the next step；If the window ID is not
Belong to window classification, that is to say that it is the process of running background, then it there can't be window, does not also just continue identification
It is necessary.
Judge whether window ID can be in operation interface as it can be seen that if it is, performing the next step；It is that it belongs to window class
, be not there are also a kind of situation, he in operation pages not as it can be seen that when there is such case, it is also desirable to terminate identification.
The window ID is judged with the presence or absence of window title, if it is, performing the next step；It is each visible on window
Window can all have a window title, generally in the upper left corner of program interface, without the window of window title, all through overtesting
It is sightless, is not otherwise just visibility window, just then the judgement of next step can be continued if there are titles
It need not be further continued for judging.
Whether the width and/or height for judging the window of the window ID got are zero, if it is, performing the next step；
If height and width, wherein there is one value to be equal to 0, then this process is corresponding to be also not visibility window, it can be whole
Only identify.
Extract the window ID for possessing visibility window.After by above-mentioned all judgements, then the i.e. provable process institute
Corresponding window is visibility window, obtains the window ID of the visibility window in order to followed by judgement further.
In above-mentioned analytical procedure, the other judgement of the window class, the whether visible judgement of window ID, the acquisition of window title, window
The acquisition of width and height pass through window api function and obtain.
S3: the boundary of visibility window is obtained according to visibility window ID by using window api printfWindow function
Face screenshot；Even if carrying out visibility window interface screenshot using the printfWindow function is because program is by other applications
It covers, but the function is still able to carry out screenshot.Screenshot accuracy is greatly improved, because if not in this way
Screenshot, the image that can be truncated to be it is capped, the displaying of the information of covered portionss does not come out, at this time, also will be big
The effect of the throwing screen is damaged greatly.
As shown in figure 3, after step s 3 further including image processing step, described image processing step includes following step
It is rapid: to obtain the wide height of pixel of interface screenshot；In order to be preferably shown to screenshot image, so also need the image to screenshot
Carry out further image recognition and operation, this step primarily to the screenshot image got underlying parameter, in order to
It is subsequent to carry out judgement processing.
Judge the pixel of the interface screenshot it is wide it is high whether be more than system desktop the wide height of pixel, if it is, under executing
One step；Judge the wide height of the pixel of screenshot, if more than the wide height of the pixel of system desktop, need to do so one judgement why
? if being because the width of screenshot has been more than the wide degree of pixel of system desktop, then screenshot will be on two sides in left and right
White frame is generated, the pixels tall of desktop is equally highly had exceeded, then, it can also be generated on two sides up and down of screenshot white
Color frame.If the wide height of screenshot pixel is not above the wide height of pixel of system desktop, then the processing of next step need not be carried out；
After carrying out shot operation to interface screenshot according to the wide height of the pixel of screenshot starting point and system desktop to obtain processing
Interface screenshot.Screenshot has white edge just to need interception image, and the method for interception image is the starting point for needing to judge interception, then
It is carried out further according to starting point and the wide height of system desktop pixel intercepts image.
The acquisition of the screenshot starting point is calculated by screenshot starting point coordinate calculation formula, the screenshot starting point
Coordinate calculation formula are as follows: ((w_c-w_s)/2, (h_c-h_s)/2)；Wherein, the wide height of the pixel of interface screenshot be respectively adopted w_c and
H_c, the wide height of the pixel of system desktop is w_s and h_s respectively.The foundation of the coordinate system of screenshot is, using the screenshot upper left corner as origin
(0,0) using the direction of width as x-axis, the direction of height is y-axis.The judgement of this step enables to the image of screenshot preferably to adapt to
In system desktop, the phenomenon that without not being adapted to, the whole adaptability of the program is substantially increased.User is allowed not have to concern
The problem of obtained screenshot is not matched with system desktop.
S4: it will launch after the interface screenshot of acquisition onto corresponding screen.This step predominantly throws screen operation, due to above-mentioned
Step judge and operated with the presence or absence of window and interface screenshot to process, this step is only needed to obtaining
Operation can be completed in the dispensing to corresponding screen of interface screenshot.
The purpose of the method for the present embodiment primarily to solve can be identified when throwing screen software selection process institute into
Journey is either with or without window and has which window in the case where window that can show, when solving the problems, such as to obtain interface.This method
It is authenticated in win7 and win10, it can identify the visibility window of most of computer process, can also obtain most visibility window and cut
Figure.
Embodiment two
Embodiment two discloses a kind of electronic equipment, which includes processor, memory and program, wherein locating
One or more can be used in reason device and memory, and program is stored in memory, and is configured to be executed by processor,
When processor executes the program, the application process window of embodiment one and the throwing screen method at interface are realized.The electronic equipment can be with
It is a series of electronic equipment of mobile phone, computer, tablet computer etc..
Embodiment three
Embodiment three discloses a kind of computer readable storage medium, and the storage medium is for storing program, and the journey
When sequence is executed by processor, the application process window of embodiment one and the throwing screen method at interface are realized.
Certainly, a kind of storage medium comprising computer executable instructions, computer provided by the embodiment of the present invention
The method operation that executable instruction is not limited to the described above, can also be performed in method provided by any embodiment of the invention
Relevant operation.
By the description above with respect to embodiment, it is apparent to those skilled in the art that, the present invention
It can be realized by software and required common hardware, naturally it is also possible to which by hardware realization, but in many cases, the former is more
Good embodiment.Based on this understanding, technical solution of the present invention substantially in other words contributes to the prior art
Part can be embodied in the form of software products, which can store in computer readable storage medium
In, floppy disk, read-only memory (Read-Only Memory, ROM), random access memory (Random such as computer
Access Memory, RAM), flash memory (FLASH), hard disk or CD etc., including some instructions use so that an electronic equipment
(can be personal computer, server or the network equipment etc.) executes method described in each embodiment of the present invention.
It is worth noting that, in the above-mentioned embodiment based on content update notice device, included each unit and mould
Block is only divided according to the functional logic, but is not limited to the above division, and is as long as corresponding functions can be realized
It can；In addition, the specific name of each functional unit is also only for convenience of distinguishing each other, the protection model being not intended to restrict the invention
It encloses.
The above embodiment is only the preferred embodiment of the present invention, and the scope of protection of the present invention is not limited thereto,
The variation and replacement for any unsubstantiality that those skilled in the art is done on the basis of the present invention belong to institute of the present invention
Claimed range.
Claims (10)
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111506283A (en) * | 2020-04-26 | 2020-08-07 | 西安万像电子科技有限公司 | Image display method, device and system |
| CN112019893A (en) * | 2019-05-30 | 2020-12-01 | 北京小米移动软件有限公司 | Screen projection method and screen projection device of terminal |
| CN112073801A (en) * | 2019-08-26 | 2020-12-11 | 合肥宏晶微电子科技股份有限公司 | Image processing method, electronic equipment and connector |
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