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createjs.InverseAlphaFilter.coffee
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| class InverseAlphaFilter extends createjs.Filter | |
| constructor: -> | |
| toString: -> | |
| return "[InverseAlphaFilter]" | |
| clone: -> | |
| new InverseAlphaFilter | |
| _applyFilter: (imageData) -> | |
| data = imageData.data | |
| l = data.length | |
| i = 0 | |
| while (i < l) | |
| data[i+3] = 255 - data[i+3] | |
| i += 4 | |
| return true | |
| createjs.InverseAlphaFilter = createjs.promote(InverseAlphaFilter, "Filter") |
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