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Add support for squashing TIFF output to 1-bit (#783)

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This commit is contained in:
YvesBos
2017-04-27 00:47:29 +08:00
committed by Lovell Fuller
parent 567e3dd258
commit 4cd3b66761
7 changed files with 53 additions and 1 deletions
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4
src/pipeline.cc
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@@ -846,8 +846,9 @@ class PipelineWorker : public Nan::AsyncWorker {
image.tiffsave(const_cast<char*>(baton->fileOut.data()), VImage::option()
->set("strip", !baton->withMetadata)
->set("Q", baton->tiffQuality)
->set("squash", baton->tiffSquash)
->set("compression", baton->tiffCompression)
->set("predictor", baton->tiffPredictor) );
->set("predictor", baton->tiffPredictor));
baton->formatOut = "tiff";
baton->channels = std::min(baton->channels, 3);
} else if (baton->formatOut == "dz" || isDz || isDzZip) {
@@ -1204,6 +1205,7 @@ NAN_METHOD(pipeline) {
baton->webpLossless = AttrTo<bool>(options, "webpLossless");
baton->webpNearLossless = AttrTo<bool>(options, "webpNearLossless");
baton->tiffQuality = AttrTo<uint32_t>(options, "tiffQuality");
baton->tiffSquash = AttrTo<bool>(options, "tiffSquash");
// tiff compression options
baton->tiffCompression = static_cast<VipsForeignTiffCompression>(
vips_enum_from_nick(nullptr, VIPS_TYPE_FOREIGN_TIFF_COMPRESSION,

2
src/pipeline.h
View File

@@ -106,6 +106,7 @@ struct PipelineBaton {
int tiffQuality;
VipsForeignTiffCompression tiffCompression;
VipsForeignTiffPredictor tiffPredictor;
bool tiffSquash;
std::string err;
bool withMetadata;
int withMetadataOrientation;
@@ -176,6 +177,7 @@ struct PipelineBaton {
tiffQuality(80),
tiffCompression(VIPS_FOREIGN_TIFF_COMPRESSION_JPEG),
tiffPredictor(VIPS_FOREIGN_TIFF_PREDICTOR_NONE),
tiffSquash(false),
withMetadata(false),
withMetadataOrientation(-1),
convKernelWidth(0),