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Ensure correct channel info for raw, greyscale output #1425

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Lovell Fuller
2018-11-19 20:00:30 +00:00
parent 1e9093d781
commit 6f9699f605
3 changed files with 5 additions and 0 deletions
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src/pipeline.cc
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@@ -771,6 +771,7 @@ class PipelineWorker : public Nan::AsyncWorker {
if (baton->greyscale || image.interpretation() == VIPS_INTERPRETATION_B_W) {
// Extract first band for greyscale image
image = image[0];
baton->channels = 1;
}
if (image.format() != VIPS_FORMAT_UCHAR) {
// Cast pixels to uint8 (unsigned char)