Jquery (Jcrop) + PHP cut images by coordinate

Jquery (Jcrop) + PHP cut images by coordinate

/*** Goofy 2011-11-29 * Image Processing: based on the passed coordinate parameters, x, y, w, and h are the selected x coordinates, y coordinates, w width, h height * use the imagecopy () method to copy the area to the blank image created in step 1 * Note that the image must be in the true color of imagecreatetruecolor () when being created, otherwise use imagecreate () the image will be distorted */ /** * Goofy 2011-11-29 * Image Processing: the x, y, w, h coordinates, w width, and h are selected based on the passed coordinate parameters. * Use the imagecopy () method to copy the area to the blank image created in step 1. * Note: You must use the true color of imagecreatetruecolor () when creating an image. Otherwise, the image with imagecreate () will be distorted. */ // Proportion of the page passed in $ Scale = $ _ GET ['scale']; // Multiply the following attributes by the corresponding proportions $ X = $ _ GET ['x'] * $ scale; $ Y = $ _ GET ['Y'] * $ scale; $ W = $ _ GET ['w'] * $ scale; $ H = $ _ GET ['H'] * $ scale; // Source path $ Src = $ _ GET ['src']; // Continue? If the source image is not deleted $ Again = "off "; If (! Empty ($ _ GET ['again ']) { $ Again = $ _ GET ['again ']; } // The first step is to create an image based on the incoming width and high parameters, and then fill the captured part in this area. Header ("Content-type: image/jpeg "); $ Target = @ imagecreatetruecolor ($ w, $ h) Or die ("Cannot Initialize new GD image stream "); // Step 2: obtain the source image based on the path and create an image object with the source image $ Source = imagecreatefromjpeg ($ src ); // Step 3: fill in part of the source image to the image created in step 1 based on the sent parameters Imagecopy ($ target, $ source, 0, 0, $ x, $ y, $ w, $ h ); // Step 4: save the image // Truncate and organize a new path $ Pos_path = strripos ($ src ,"/"); $ NewPath = substr ($ src, 0, $ pos_path-strlen ($ src). "_ new /"; // Truncate and organize a new name $ Pos_name = strripos ($ src ,"."); $ NewName = substr ($ src, 0, $ pos_name ); $ Pos_name _ = strripos ($ newName ,"/"); // Do not include the suffix ". jpg" to prevent duplicate files. If yes, you need to rename the files. it will be inconvenient to add them. $ NewName = substr ($ newName, $ pos_name _-strlen ($ newName) + 1 )."_"; // Generate an image without a suffix $ File = $ newPath. $ newName; // Append the asc code to rename the file. you can also use a random number or time to name the file. I don't need to use the naming methods for the project. For ($ I = 0; $ I <26; $ I ++ ){ // If the directory exists If (is_dir ($ newPath )){ // If the file exists, continue the loop until the file with no duplicate names exists If (is_file ($ file. chr (97 + $ I). ". jpg ")){ Continue; } Else { // Create a file Imagejpeg ($ target, $ file. chr (97 + $ I). ". jpg", 100 ); // After the file is created, determine whether to delete the source file. off is the source file to be deleted. If ($ again = "off "){ Unlink ($ src ); Unset ($ _ SESSION ['URL']); } Break; } } Else { // Create a directory Mkdir ($ newPath ); // Create a file Imagejpeg ($ target, $ file. chr (97 + $ I). ". jpg", 100 ); // After the file is created, determine whether to delete the source file. off is the source file to be deleted. If ($ again = "off "){ Unlink ($ src ); Unset ($ _ SESSION ['URL']); } Break; } } // Jump to the homepage Header ("Location: index. php "); ?>