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Expose TIFF compression and predictor options (#738)

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This commit is contained in:
Kristo Jorgenson
2017-03-29 07:12:04 -04:00
committed by Lovell Fuller
parent 5e015cc3ca
commit f8e72f443d
7 changed files with 162 additions and 1 deletions
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11
src/pipeline.cc
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@@ -842,7 +842,8 @@ class PipelineWorker : public Nan::AsyncWorker {
image.tiffsave(const_cast<char*>(baton->fileOut.data()), VImage::option()
->set("strip", !baton->withMetadata)
->set("Q", baton->tiffQuality)
->set("compression", VIPS_FOREIGN_TIFF_COMPRESSION_JPEG));
->set("compression", baton->tiffCompression)
->set("predictor", baton->tiffPredictor) );
baton->formatOut = "tiff";
baton->channels = std::min(baton->channels, 3);
} else if (baton->formatOut == "dz" || isDz || isDzZip) {
@@ -1199,6 +1200,14 @@ NAN_METHOD(pipeline) {
baton->webpLossless = AttrTo<bool>(options, "webpLossless");
baton->webpNearLossless = AttrTo<bool>(options, "webpNearLossless");
baton->tiffQuality = AttrTo<uint32_t>(options, "tiffQuality");
// tiff compression options
baton->tiffCompression = static_cast<VipsForeignTiffCompression>(
vips_enum_from_nick(nullptr, VIPS_TYPE_FOREIGN_TIFF_COMPRESSION,
AttrAsStr(options, "tiffCompression").data()));
baton->tiffPredictor = static_cast<VipsForeignTiffPredictor>(
vips_enum_from_nick(nullptr, VIPS_TYPE_FOREIGN_TIFF_PREDICTOR,
AttrAsStr(options, "tiffPredictor").data()));
// Tile output
baton->tileSize = AttrTo<uint32_t>(options, "tileSize");
baton->tileOverlap = AttrTo<uint32_t>(options, "tileOverlap");