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Call the local camera to take pictures (H5 and canvas), and the camera to take pictures of the h5 canvas
Implementation of calling the local camera photo function for H5 and canvas
1. Code Implementation (html part))
2. js part
3. Implementation
4. browser Section
Camera pictures, pictures on the computer, text in Word, computer screen, mobile screen, camera screen display size Everything's all figured out!First, the picture.xxdpi= points DotX is the actual size of the picture, simple point, we only calculate the height of the picture, for example, took a picture 144x144 72dpi,
Open the System album Get Pictures and Intercept, the code is relatively simple1Intent Intent =NewIntent (Intent.action_get_content,NULL);2Intent.settype ("image/*");3Intent.putextra ("Crop", "true");4 5 //width and height refer to the width and height ratio of the capture box, if width = 1,height = 1, The Intercept box is square6Intent.putextra ("Aspectx", WIDTH);7Intent.putextra ("Aspecty", HEIGHT);8 9 //output_x and
These days in the iphone above an application of the development, there is a need for Camera/photo album programming and image upload problems, summed up here.
"Partial Knowledge"
Images in the iphone are usually stored in 4 places, "photo albums, application packages, sandbox, Internet", and through these 4 sources, we can access the application picture.
Album
The iphone's photo album contains some photos of
call the camera to take pictures to get the picture:jump to the photo screen:Intent takeintent = new Intent (mediastore.action_image_capture);//The following sentence specifies the path of the photo store after the camera is called to take pictures mszimagefilename = Long.tostring (System.currenttimemillis ()) + ". png
In the Android app, very often we need to implement upload images, or directly call the camera on the phone to take photos processing and then directly display and upload the function, the following will be called the camera to take pictures of the image processing and then display and call the photo processing in the mobile phone register and then display the fu
is nothing more than two kinds, the first is camera shooting, the second is from the local album to get.
2, I created a folder on the SD card, which has two URIs, one is used to save the original picture when the photo, one is to save the cropped picture. Before I thought about using the same URI to save the picture, but in practice encountered a problem, when the camera does not cut, then the next time f
As shown in the following illustration, the left side contains four pictures that are inserted into Excel, and each picture has an index identification of the English alphabet. The user can enter a different index ID at the location of the "call target" on the right by setting, so that Excel automatically displays the corresponding picture in the call result position.
The main principle of realizing this function comes from Excel's pictur
Many applications may use the ability to call the camera to take pictures, for example, the program needs to upload a picture as the user's avatar, when the camera to open a photo is the simplest and fastest. Let's take a look at an example of how you can call a camera in your app to take a picture.Create a new Choosep
Original: Use Aforge.net control camera to take pictures in WPFThe most convenient way to take a photo with the Aforge.net control camera is to use PictureBox to display the camera screen, but you cannot use PictureBox directly in WPF. The Exchange function must be provided through 1. Create a new WPF application accor
:^{}]; UIImage *image = [info uiimagepickercontrolleroriginalimage]; Userimageview.image = image; NSData *imagedata = uiimagejpegrepresentation (image, Compressed_rate); UIImage *compressedimage = [UIImage imagewithdata:imagedata]; [Httprequestmanager uploadimage:compressedimage httpClient:self.httpClient delegate:self]; }The returned image is not a square and displays a noticeable stretch in the view of the user's avatar. Studied for a long time various cutting algorit
The previous micro-letter Js-sdk authorized articles to achieve the sharing interface, then here is a summary of how in the micro-letter through JS to adjust the original camera, and upload download pictures.
1. Configure
Page introduction after JSSDK authorization, incoming WX object, first configure the required interface
Wx.config ({/
* debug:true, * *
appid:appid,
timestamp:timestamp,
uiimagepickercontrolleroriginalimage]; Userimageview.image = image; NSData *imagedata = uiimagejpegrepresentation (image, Compressed_rate); UIImage *compressedimage = [UIImage imagewithdata:imagedata]; [Httprequestmanager uploadimage:compressedimage httpClient:self.httpClient delegate:self]; }Create a form, select a camera or album, and then use the callback function to process the returned picture.However, the returned image is n
Android calls the camera to take pictures and get the original photo solution as follows:Note to have permission to read the file, you need to add the following permissions:button click event: Public voidClick (View view) {Intent Intent=NewIntent (mediastore.action_image_capture);//the intention of the camera to capture the pictureIntent.putextra (Mediastore.extr
%2f16%2fnyldjq.jpg "); HttpClient mhtppclient = new Defaulthttpclient (); try{//Send GET request and get corresponding object HttpResponse httprespose = Mhtppclient.execute (mhttpget); Get message entity httpentity Entrie = httprespose.getentity (); Gets the input stream from the message entity InputStream InputStream = Entrie.getcontent (); Convert the input stream to BufferedReader bufferedreader bufferreader = new BufferedReader (New InputStreamReader (InputStrea
("Aspecty", 1), Intent.putextra ("Outputx", 400); Outputx Outputy is a cropped picture with a wide height of Intent.putextra ("Outputy", 400); Somehow, I can't set it too large, call the system camera to take pictures and crop:Boolean isnull=false;//determines whether the camera return data is empty Intent Getimagebycamera = new Intent ("Android.media.acti
Obtain images from the album, call the camera to take pictures, and upload the images to the server.Call the camera to take a photo and go to the image taking page: Intent takeIntent = new Intent (MediaStore. ACTION_IMAGE_CAPTURE); // The following sentence specifies the path of the photo storage after the camera is ta
Calling the phone camera in the MUI frame to take a photo can directly use the HTML5 of the soundtrack;Here is the HTML codeHere's the JavaScript codevar Avideo=document.getelementbyid (' video '); var acanvas=document.getelementbyid (' canvas '); var ctx= Acanvas.getcontext (' 2d '); Navigator.getusermedia = Navigator.getusermedia | | Navigator.webkitgetusermedia | | Navigator.mozgetusermedia | |
Front-end call phone camera photoThere are two common ways of implementing this:One is to capture the image in video by capturing the stream of video through the video control,Another is to use the Input[file] control to invoke the camera on the mobile side to achieve a picture.Both methods have pros and cons, the first can be implemented to the photo screen rewrite (such as the addition of a photo screen m
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