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Expose libwebp smartSubsample and reductionEffort #1545

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Lovell Fuller
2019-07-14 22:52:38 +01:00
parent 119d16cad3
commit 36e8a3da88
7 changed files with 88 additions and 3 deletions
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10
src/pipeline.cc
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@@ -760,6 +760,8 @@ class PipelineWorker : public Nan::AsyncWorker {
->set("Q", baton->webpQuality)
->set("lossless", baton->webpLossless)
->set("near_lossless", baton->webpNearLossless)
->set("smart_subsample", baton->webpSmartSubsample)
->set("reduction_effort", baton->webpReductionEffort)
->set("alpha_q", baton->webpAlphaQuality)));
baton->bufferOut = static_cast<char*>(area->data);
baton->bufferOutLength = area->length;
@@ -884,6 +886,8 @@ class PipelineWorker : public Nan::AsyncWorker {
->set("Q", baton->webpQuality)
->set("lossless", baton->webpLossless)
->set("near_lossless", baton->webpNearLossless)
->set("smart_subsample", baton->webpSmartSubsample)
->set("reduction_effort", baton->webpReductionEffort)
->set("alpha_q", baton->webpAlphaQuality));
baton->formatOut = "webp";
} else if (baton->formatOut == "tiff" || (mightMatchInput && isTiff) ||
@@ -938,7 +942,9 @@ class PipelineWorker : public Nan::AsyncWorker {
{"Q", std::to_string(baton->webpQuality)},
{"alpha_q", std::to_string(baton->webpAlphaQuality)},
{"lossless", baton->webpLossless ? "TRUE" : "FALSE"},
{"near_lossless", baton->webpNearLossless ? "TRUE" : "FALSE"}
{"near_lossless", baton->webpNearLossless ? "TRUE" : "FALSE"},
{"smart_subsample", baton->webpSmartSubsample ? "TRUE" : "FALSE"},
{"reduction_effort", std::to_string(baton->webpReductionEffort)}
};
suffix = AssembleSuffixString(".webp", options);
} else {
@@ -1345,6 +1351,8 @@ NAN_METHOD(pipeline) {
baton->webpAlphaQuality = AttrTo<uint32_t>(options, "webpAlphaQuality");
baton->webpLossless = AttrTo<bool>(options, "webpLossless");
baton->webpNearLossless = AttrTo<bool>(options, "webpNearLossless");
baton->webpSmartSubsample = AttrTo<bool>(options, "webpSmartSubsample");
baton->webpReductionEffort = AttrTo<uint32_t>(options, "webpReductionEffort");
baton->tiffQuality = AttrTo<uint32_t>(options, "tiffQuality");
baton->tiffPyramid = AttrTo<bool>(options, "tiffPyramid");
baton->tiffSquash = AttrTo<bool>(options, "tiffSquash");

7
src/pipeline.h
View File

@@ -138,6 +138,8 @@ struct PipelineBaton {
int webpAlphaQuality;
bool webpNearLossless;
bool webpLossless;
bool webpSmartSubsample;
int webpReductionEffort;
int tiffQuality;
VipsForeignTiffCompression tiffCompression;
VipsForeignTiffPredictor tiffPredictor;
@@ -241,6 +243,11 @@ struct PipelineBaton {
pngColours(256),
pngDither(1.0),
webpQuality(80),
webpAlphaQuality(100),
webpNearLossless(false),
webpLossless(false),
webpSmartSubsample(false),
webpReductionEffort(4),
tiffQuality(80),
tiffCompression(VIPS_FOREIGN_TIFF_COMPRESSION_JPEG),
tiffPredictor(VIPS_FOREIGN_TIFF_PREDICTOR_HORIZONTAL),