SHOW:
|
|
- or go back to the newest paste.
| 1 | var hasEmptyPixels = function(x,y,w,h) | |
| 2 | {
| |
| 3 | // Returns false if any value | |
| 4 | // in the array is greater than zero | |
| 5 | - | var imgData = context.getImageData(x,y,w,h); |
| 5 | + | return context.getImageData(x, y, w, h).data.every(function(el) {
|
| 6 | - | var length = imgData.data.length; |
| 6 | + | return el > 0; |
| 7 | - | for(var i = 0; i < length; ++i){
|
| 7 | + | }); |
| 8 | - | if (imgData.data[i] > 0) return false; |
| 8 | + |
