-
-
Save SHEHANhasintha/c81e5d1eda7f3dd5aa2f7d9b19d383e7 to your computer and use it in GitHub Desktop.
Revisions
-
graylikeme revised this gist
Mar 13, 2011 . 1 changed file with 6 additions and 1 deletion.There are no files selected for viewing
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 charactersOriginal file line number Diff line number Diff line change @@ -6,7 +6,7 @@ <script type="text/javascript"> var xhr = new XMLHttpRequest(); xhr.open('GET', 'http://example.com/images/kitten.jpg', true); xhr.onload = function(){ var img = new Image(); @@ -22,6 +22,10 @@ var context = canvas.getContext('2d'); context.drawImage(img,0,0); var snapshot = canvas.toDataURL("image/png"); var twinImage = document.getElementById('twinImg'); twinImage.src = snapshot; } xhr.overrideMimeType('text/plain; charset=x-user-defined'); @@ -30,5 +34,6 @@ </head> <body> <canvas id="showImage" width="200" height="200"></canvas> <img src="#" id="twinImg" /> </body> </html> -
There are no files selected for viewing
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 charactersOriginal file line number Diff line number Diff line change @@ -0,0 +1,34 @@ <!DOCTYPE html> <html> <head> <title>Kitten!</title> <meta charset="utf-8" /> <script type="text/javascript"> var xhr = new XMLHttpRequest(); xhr.open('GET', '../images/kitten.jpg', true); xhr.onload = function(){ var img = new Image(); var response = xhr.responseText; var binary = "" for(i=0;i<response.length;i++){ binary += String.fromCharCode(response.charCodeAt(i) & 0xff); } img.src = 'data:image/jpeg;base64,' + btoa(binary); var canvas = document.getElementById('showImage'); var context = canvas.getContext('2d'); context.drawImage(img,0,0); } xhr.overrideMimeType('text/plain; charset=x-user-defined'); xhr.send(); </script> </head> <body> <canvas id="showImage" width="200" height="200"></canvas> </body> </html>