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Set PNG bitdepth based on number of colours #2855

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Removes use of deprecated libvips API
This commit is contained in:
Lovell Fuller
2021-08-26 22:05:29 +01:00
parent 4e84f743e4
commit 3402656ec5
5 changed files with 12 additions and 7 deletions
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6
src/pipeline.cc
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@@ -799,7 +799,7 @@ class PipelineWorker : public Napi::AsyncWorker {
->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("bitdepth", baton->pngBitdepth)
->set("dither", baton->pngDither)));
baton->bufferOut = static_cast<char*>(area->data);
baton->bufferOutLength = area->length;
@@ -955,7 +955,7 @@ class PipelineWorker : public Napi::AsyncWorker {
->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("bitdepth", baton->pngBitdepth)
->set("dither", baton->pngDither));
baton->formatOut = "png";
} else if (baton->formatOut == "webp" || (mightMatchInput && isWebp) ||
@@ -1429,7 +1429,7 @@ Napi::Value pipeline(const Napi::CallbackInfo& info) {
baton->pngAdaptiveFiltering = sharp::AttrAsBool(options, "pngAdaptiveFiltering");
baton->pngPalette = sharp::AttrAsBool(options, "pngPalette");
baton->pngQuality = sharp::AttrAsUint32(options, "pngQuality");
baton->pngColours = sharp::AttrAsUint32(options, "pngColours");
baton->pngBitdepth = sharp::AttrAsUint32(options, "pngBitdepth");
baton->pngDither = sharp::AttrAsDouble(options, "pngDither");
baton->webpQuality = sharp::AttrAsUint32(options, "webpQuality");
baton->webpAlphaQuality = sharp::AttrAsUint32(options, "webpAlphaQuality");

4
src/pipeline.h
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@@ -146,7 +146,7 @@ struct PipelineBaton {
bool pngAdaptiveFiltering;
bool pngPalette;
int pngQuality;
int pngColours;
int pngBitdepth;
double pngDither;
int webpQuality;
int webpAlphaQuality;
@@ -276,7 +276,7 @@ struct PipelineBaton {
pngAdaptiveFiltering(false),
pngPalette(false),
pngQuality(100),
pngColours(256),
pngBitdepth(8),
pngDither(1.0),
webpQuality(80),
webpAlphaQuality(100),