Last active
October 16, 2016 13:13
-
-
Save zuk74/3a63d3163aeb2012a24847974b2d35fb to your computer and use it in GitHub Desktop.
モノクロのpbmファイル読み込んでSVGで表示する。画像サイズが大きいとかなり処理が重い。
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <title>sample</title> | |
| </head> | |
| <body> | |
| <form name="test"> | |
| <input type="file" id="selfile"><br> | |
| <textarea name="txt" rows="10" cols="50" readonly></textarea> | |
| </form> | |
| hogehoge<br/> | |
| <div id="svg"> | |
| </div> | |
| hogehoge<br/> | |
| <!-- | |
| <svg> | |
| <rect x="0" y="0" width="40" height="20" fill="blue"></rect> | |
| </svg> | |
| --> | |
| <script> | |
| var obj1 = document.getElementById("selfile"); | |
| obj1.addEventListener("change", function(evt) { | |
| var file = evt.target.files; | |
| var reader = new FileReader(); | |
| reader.readAsText(file[0]); | |
| reader.onload = function(ev) { | |
| // document.test.txt.value = reader.result; | |
| var lines = reader.result.split("\n"); | |
| var len = lines.length; | |
| // document.test.txt.value = len; | |
| var i=0; | |
| console.log("hoge"); | |
| //while (! lines[i].match(/^#/)) { i++; } | |
| while (/^#/.test(lines[i]) ) { i++; } | |
| var type = lines[i]; | |
| i++; | |
| console.log("hogehoge"); | |
| // while (! lines[i].match(/^#/)) { i++; } | |
| while (/^#/.test(lines[i]) ) { i++; } | |
| var sizes = lines[i].split(/\s/); | |
| i++; | |
| document.test.txt.value = "type=" + type + ", size=" + sizes[0] + ":" + sizes[1] + "\n"; | |
| var datas = []; | |
| for (; i<len; i++) { | |
| datas = datas.concat(lines[i].split(/\s/)); | |
| // Array.prototype.push.array(datas, lines[i].split(/\s/)); | |
| } | |
| console.log("hogehogehoge"); | |
| console.log( datas.length ); | |
| document.test.txt.value += datas.join(","); | |
| var div_svg = document.getElementById("svg"); | |
| var svg = document.createElementNS("http://www.w3.org/2000/svg","svg"); | |
| //svg.setAttribute("width","400"); | |
| //svg.setAttribute("height","200"); | |
| var cnt = 0; | |
| for (var y=0; y<sizes[1]; y++) { | |
| for (var x=0; x<sizes[0]; x++) { | |
| var rect = document.createElementNS("http://www.w3.org/2000/svg", "rect"); | |
| rect.setAttribute("x", 0 + x*10); | |
| rect.setAttribute("y", 0 + y*10); | |
| rect.setAttribute("width", "10"); | |
| rect.setAttribute("height", "10"); | |
| rect.setAttribute("fill", (datas[cnt]==1) ? "rgb(255,255,255)" : "rgb(0,0,0)" ); | |
| svg.appendChild(rect); | |
| cnt++; | |
| } | |
| } | |
| div_svg.appendChild(svg); | |
| } | |
| }, false); | |
| // var div_svg = document.getElementById("svg"); | |
| // var svg = document.createElementNS("http://www.w3.org/2000/svg","svg"); | |
| // svg.setAttribute("width","400"); | |
| // svg.setAttribute("height","200"); | |
| // | |
| // var rect = document.createElementNS("http://www.w3.org/2000/svg", "rect"); | |
| // rect.setAttribute("x", 0); | |
| // rect.setAttribute("y", 0); | |
| // rect.setAttribute("width", "40"); | |
| // rect.setAttribute("height", "40"); | |
| // rect.setAttribute("fill", "rgb(0,255,255)"); | |
| // svg.appendChild(rect); | |
| // | |
| // var rect = document.createElementNS("http://www.w3.org/2000/svg", "rect"); | |
| // rect.setAttribute("x", 40); | |
| // rect.setAttribute("y", 40); | |
| // rect.setAttribute("width", "40"); | |
| // rect.setAttribute("height", "40"); | |
| // rect.setAttribute("fill", "rgb(0,255,0)"); | |
| // svg.appendChild(rect); | |
| // | |
| // div_svg.appendChild(svg); | |
| </script> | |
| </body> | |
| </html> |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment