compress image to 100kb

PHP image watermark Add, compress, cut the package class, PHP operation of the image file is mainly to use the GD library extension. When we frequently use PHP to manipulate images, we naturally encapsulate many functions, otherwise we will write too many repetitive code. When there are a lot of related functions of the picture, we can consider the function also

With the development of mobile phone hardware, android camera functions become more and more powerful, and can find high-resolution images.In some scenarios, you need to take photos and upload them to the service. However, because the image size is too large, uploading will be very slow (in some network scenarios) and will consume a lot of traffic, to achieve high speed, we need to reduce the image size. Th

The mobile end uses localResizeIMG4 to compress the image, Mobile h5 development cannot avoid uploading images. Generally, we use the built-in html control to input or useUpload API. However, the upload API is not available anywhere. Using the input upload control provided by html, the image size is too large and the upload is unstable. LocalResizeIMG4 is generat

);} /*** Image Watermark* @param [Type] $imageMark watermark image Address* @param [Type] $dst the position of the watermark picture in the original picture* @param [Type] $pct transparency* @return [Type]*/Public Function ImageMark ($imageMark, $DST, $pct) {$info 2=getimagesize ($imageMark);$type =image_type_to_extension ($info 2[' 2 '],false);$func 2= "Imagecreatefrom". $type;$water = $func 2 ($imageMa

At work today, I need to write a small function that converts an image into a string and compresses it. I used multiple threads to convert the string. I think it is good to write it. I 'd like to share it with you. 1 /// This method is used to enable any number of threads to process conversion tasks. Then share the string Compression Method Using system; using system. collections. generic; using system. data; using system. io; using system. io. compr

This article mainly introduces python's use of Guetzli to batch compress images. it describes in detail the open-source image compression tool Guetzli of Google, which is of great practical value. if you need it, you can refer to it. This article mainly introduces python's use of Guetzli to batch compress images. it describes in detail the open-source

, we can get the local picture path, then our team image compression processing.1 //first, the selected picture is converted into a stream form, and the path gets2FileInputStream is =NewFileInputStream (path);3 //defines a file, as a compressed picture4File f =NewFile ("Picture Save Path", "Picture name");5 intSize = "";6Options options =NewOptions ();7Options.insamplesize =size;8 //reduce the

PHP picture upload, compress, save to server problem? Very simple upload server, from temporary files, ' tmp_name ' get pictures, Then compress. $dstimage = Imagecreatetruecolor ($dst _w, $dst _h); Imagecopyresampled ($dstimage, $srcimage, $dst _x, $dst _y, $src _x, $src _y, $dst _w, $dst _h, $src _w, $src _h); Imagedestroy ($srcimage); Looking for a long time have not found how to save the memory in th

Take a photo (2) Get a full-size image, compress it, and take the photo size Package com. example. choosepictest; import java. io. file; import java. io. IOException; import java. text. simpleDateFormat; import java. util. date; import android. app. activity; import android. content. intent; import android. graphics. bitmap; import android. graphics. bitmapFactory; import android.net. uri; import android.

With the development of mobile hardware, Android's camera is becoming more and more powerful, and can find high resolution images.Some scenes need to be photographed and uploaded to the service, but because the size of the picture is too large, then the upload will be very slow (in some network situation), and very traffic, to the speed, then you need to reduce the size of the picture. There are two ways to reduce the size of a picture, 1. According to the small picture; 2.

= Canvas.getcontext ("2d");5 varwidth = Math.ceil (math.sqrt (JSORG.LENGTH/3));6 varHeight =width;7$ ("#png"). attr ("width", width). attr ("height", height);8$ ("#png"). Width (width). height (height);9 varImageData =context.createimagedata (width, height);Ten One varA =Stringtohex (jsorg); A vararr = A.split (","); - for(vari = 0,j=0;j){ - if((j+1)%4==0){ theimagedata.data[j]=255; -J + +; - } - if(iarr.length) +IMAGEDATA.DATA[J] =Arr[i]; -