javascript Programming Glossary: c.todataurl

http://stackoverflow.com/questions/11112321/how-to-save-canvas-as-png-image

try this var c document.getElementById alpha var d c.toDataURL image png var w window.open 'about blank' 'image from canvas'.. blank in address bar. EDIT though window.open img src ' c.toDataURL 'image png' ' does not work in FF or Chrome following works..

Image resize by Javascript

http://stackoverflow.com/questions/17501115/image-resize-by-javascript

In this example max widthHeight 64 your final image is c.toDataURL doctype html html head meta charset utf 8 title title script.. h c.getContext 2d .drawImage this 0 0 w h this.src c.toDataURL document.body.appendChild this img.src e.target.result fr.readAsDataURL.. add a cropping function. Edit as asked in the comments c.toDataURL is the image base64_string you can store it in a hidden input..

Stopping GIF Animation Programmatically

http://stackoverflow.com/questions/3688460/stopping-gif-animation-programmatically

i.height c.getContext '2d' .drawImage i 0 0 w h try i.src c.toDataURL image gif if possible retain all css aspects catch e cross domain..

Canvas toDataUrl increases file size of image

http://stackoverflow.com/questions/9773154/canvas-todataurl-increases-file-size-of-image

'Imported via upload drawn in a canvas' toAppend.src c.toDataURL 'image png' document.body.appendChild toAppend img.src event.target.result..