| 1 | <%@ page contentType="text/html; charset=UTF-8" %>
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| 2 | <!DOCTYPE html>
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| 3 | <html>
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| 4 | <head>
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| 5 | </head>
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| 6 |
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| 7 | <body>
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| 8 |
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| 9 | <div style="display: none;">
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| 10 |
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| 11 | <script>
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| 12 | // Set up a fallback position in case this page is accessed outside of a JSP context
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| 13 | // (i.e., the JSP blocks aren't executed)
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| 14 | var message = "Failed to execute JSP code blocks";
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| 15 | var exit_val = 404; // not currently used
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| 16 |
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| 17 | </script>
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| 18 |
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| 19 | <%@ page import="java.io.*,java.util.*,java.awt.image.*,javax.imageio.*,javax.xml.bind.DatatypeConverter" %>
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| 20 |
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| 21 | <%!
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| 22 |
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| 23 | void writeImageDataToFile(File image_file, String image_data)
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| 24 | {
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| 25 | if (image_data == null) {
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| 26 | // Some fake data (a small arrow icon) useful for testing purposes when image_data is not supplied in the URL
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| 27 | image_data = "iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAABL0lEQVR42q2TLW/DMBCG+1OKworCzMzMAsMCQw0zaGgaahwaXKmsoxuaVD66X3G995Jzk/Rj0rSTXsW+j8cXf+x2/22X7wu1Y0cmVlQEK8IYPsReFiOpjI7CZyFK50gDKx4DtUObQU+LXV9zcifFMHz7o5/ViZBzB0FrsvLoGeDp9HUiNUDgWwq5q98BsUo1+aERLQEK0Zhq1QWIDQNUW4BCNN7Ne7UCuHDT+DHSI3v/eZM4ADidDNjzpOxM1iMAutJ4kzztlwDQDqHM2gIw15jlbmveg1UH2BDbV3xEk5YAjNXvUiWbbbdHiSM5RDsHbQbga6IVwQ8AVkfu3a2U69tP7aEQKqPhYkM2wV9LDDkvbyPoLk3JLV8sCGP4EHtavH1MRbT5MRVz4a+P6S92BSaqyCgd7GKfAAAAAElFTkSuQmCC";
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| 28 | }
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| 29 | else {
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| 30 | // skip over 'data:image/png;base64'
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| 31 | image_data = image_data.replace("data:image/png;base64","");
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| 32 | }
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| 33 |
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| 34 | byte[] image_bytes = DatatypeConverter.parseBase64Binary(image_data);
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| 35 |
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| 36 | try {
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| 37 | FileOutputStream fos = new FileOutputStream(image_file);
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| 38 | fos.write(image_bytes);
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| 39 | fos.close();
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| 40 | }
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| 41 | catch (Exception e) {
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| 42 | e.printStackTrace();
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| 43 | }
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| 44 | }
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| 45 |
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| 46 | %>
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| 47 |
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| 48 |
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| 49 | <%
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| 50 | String doc_base = getServletContext().getRealPath("/");
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| 51 | File render_dir = new File(doc_base,"render-3d");
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| 52 | File render_images_dir = new File(render_dir,"images");
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| 53 | File flag_file = new File(render_images_dir,"flag.png");
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| 54 |
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| 55 | String image_data = request.getParameter("imageData");
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| 56 |
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| 57 | String image_filename = request.getParameter("imageFilename");
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| 58 | if (image_filename == null) {
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| 59 | image_filename = "flag.png";
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| 60 | }
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| 61 | File full_image_file = new File(render_images_dir,image_filename);
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| 62 |
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| 63 |
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| 64 | writeImageDataToFile(full_image_file,image_data);
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| 65 |
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| 66 | out.println("<script>");
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| 67 | out.println("message = \"Image File Saved: <docBase>/render-3d/images/" + image_filename + "\";");
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| 68 | out.println("</script>");
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| 69 |
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| 70 | %>
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| 71 |
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| 72 | </div>
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| 73 |
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| 74 | <script>
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| 75 |
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| 76 | document.write("<div>" + message + "</div>\n");
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| 77 |
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| 78 | </script>
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| 79 |
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| 80 | </body>
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| 81 |
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| 82 | </html>
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