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Fix filter none. Fixes #92

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Luke Page 2018-02-16 10:03:37 +01:00
parent f947e3fcfb
commit 32d0580228
1 changed files with 4 additions and 1 deletions
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5
lib/filter-pack.js
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@ -3,7 +3,10 @@
var paethPredictor = require('./paeth-predictor'); var paethPredictor = require('./paeth-predictor');
function filterNone(pxData, pxPos, byteWidth, rawData, rawPos) { function filterNone(pxData, pxPos, byteWidth, rawData, rawPos) {
pxData.copy(rawData, rawPos, pxPos, pxPos + byteWidth);
for (var x = 0; x < byteWidth; x++) {
rawData[rawPos + x] = pxData[pxPos + x];
}
} }
function filterSumNone(pxData, pxPos, byteWidth) { function filterSumNone(pxData, pxPos, byteWidth) {