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Expose PNG output options requiring libimagequant #1484

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Lovell Fuller
2019-01-12 18:26:53 +00:00
parent bd377438b6
commit 98797445de
8 changed files with 211 additions and 74 deletions
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16
src/pipeline.cc
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@@ -739,7 +739,11 @@ class PipelineWorker : public Nan::AsyncWorker {
->set("strip", !baton->withMetadata)
->set("interlace", baton->pngProgressive)
->set("compression", baton->pngCompressionLevel)
->set("filter", baton->pngAdaptiveFiltering ? VIPS_FOREIGN_PNG_FILTER_ALL : VIPS_FOREIGN_PNG_FILTER_NONE)));
->set("filter", baton->pngAdaptiveFiltering ? VIPS_FOREIGN_PNG_FILTER_ALL : VIPS_FOREIGN_PNG_FILTER_NONE)
->set("palette", baton->pngPalette)
->set("Q", baton->pngQuality)
->set("colours", baton->pngColours)
->set("dither", baton->pngDither)));
baton->bufferOut = static_cast<char*>(area->data);
baton->bufferOutLength = area->length;
area->free_fn = nullptr;
@@ -849,7 +853,11 @@ class PipelineWorker : public Nan::AsyncWorker {
->set("strip", !baton->withMetadata)
->set("interlace", baton->pngProgressive)
->set("compression", baton->pngCompressionLevel)
->set("filter", baton->pngAdaptiveFiltering ? VIPS_FOREIGN_PNG_FILTER_ALL : VIPS_FOREIGN_PNG_FILTER_NONE));
->set("filter", baton->pngAdaptiveFiltering ? VIPS_FOREIGN_PNG_FILTER_ALL : VIPS_FOREIGN_PNG_FILTER_NONE)
->set("palette", baton->pngPalette)
->set("Q", baton->pngQuality)
->set("colours", baton->pngColours)
->set("dither", baton->pngDither));
baton->formatOut = "png";
} else if (baton->formatOut == "webp" || (mightMatchInput && isWebp) ||
(willMatchInput && inputImageType == ImageType::WEBP)) {
@@ -1284,6 +1292,10 @@ NAN_METHOD(pipeline) {
baton->pngProgressive = AttrTo<bool>(options, "pngProgressive");
baton->pngCompressionLevel = AttrTo<uint32_t>(options, "pngCompressionLevel");
baton->pngAdaptiveFiltering = AttrTo<bool>(options, "pngAdaptiveFiltering");
baton->pngPalette = AttrTo<bool>(options, "pngPalette");
baton->pngQuality = AttrTo<uint32_t>(options, "pngQuality");
baton->pngColours = AttrTo<uint32_t>(options, "pngColours");
baton->pngDither = AttrTo<double>(options, "pngDither");
baton->webpQuality = AttrTo<uint32_t>(options, "webpQuality");
baton->webpAlphaQuality = AttrTo<uint32_t>(options, "webpAlphaQuality");
baton->webpLossless = AttrTo<bool>(options, "webpLossless");

8
src/pipeline.h
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@@ -115,6 +115,10 @@ struct PipelineBaton {
bool pngProgressive;
int pngCompressionLevel;
bool pngAdaptiveFiltering;
bool pngPalette;
int pngQuality;
int pngColours;
double pngDither;
int webpQuality;
int webpAlphaQuality;
bool webpNearLossless;
@@ -216,6 +220,10 @@ struct PipelineBaton {
pngProgressive(false),
pngCompressionLevel(9),
pngAdaptiveFiltering(false),
pngPalette(false),
pngQuality(100),
pngColours(256),
pngDither(1.0),
webpQuality(80),
tiffQuality(80),
tiffCompression(VIPS_FOREIGN_TIFF_COMPRESSION_JPEG),