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Expose libvips affine operation (#2336)

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This commit is contained in:
Guillermo Varela
2020-11-16 12:27:38 +00:00
committed by GitHub
parent 2872602c9e
commit 0f473fe3b1
25 changed files with 463 additions and 25 deletions
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29
src/pipeline.cc
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@@ -485,6 +485,18 @@ class PipelineWorker : public Napi::AsyncWorker {
baton->leftOffsetPost, baton->topOffsetPost, baton->widthPost, baton->heightPost);
}
// Affine transform
if (baton->affineMatrix.size() > 0) {
std::vector<double> background;
std::tie(image, background) = sharp::ApplyAlpha(image, baton->affineBackground);
image = image.affine(baton->affineMatrix, VImage::option()->set("background", background)
->set("idx", baton->affineIdx)
->set("idy", baton->affineIdy)
->set("odx", baton->affineOdx)
->set("ody", baton->affineOdy)
->set("interpolate", baton->affineInterpolator));
}
// Extend edges
if (baton->extendTop > 0 || baton->extendBottom > 0 || baton->extendLeft > 0 || baton->extendRight > 0) {
std::vector<double> background;
@@ -1249,7 +1261,7 @@ Napi::Value pipeline(const Napi::CallbackInfo& info) {
// Resize options
baton->withoutEnlargement = sharp::AttrAsBool(options, "withoutEnlargement");
baton->position = sharp::AttrAsInt32(options, "position");
baton->resizeBackground = sharp::AttrAsRgba(options, "resizeBackground");
baton->resizeBackground = sharp::AttrAsVectorOfDouble(options, "resizeBackground");
baton->kernel = sharp::AttrAsStr(options, "kernel");
baton->fastShrinkOnLoad = sharp::AttrAsBool(options, "fastShrinkOnLoad");
// Join Channel Options
@@ -1262,7 +1274,7 @@ Napi::Value pipeline(const Napi::CallbackInfo& info) {
}
// Operators
baton->flatten = sharp::AttrAsBool(options, "flatten");
baton->flattenBackground = sharp::AttrAsRgba(options, "flattenBackground");
baton->flattenBackground = sharp::AttrAsVectorOfDouble(options, "flattenBackground");
baton->negate = sharp::AttrAsBool(options, "negate");
baton->blurSigma = sharp::AttrAsDouble(options, "blurSigma");
baton->brightness = sharp::AttrAsDouble(options, "brightness");
@@ -1284,7 +1296,7 @@ Napi::Value pipeline(const Napi::CallbackInfo& info) {
baton->useExifOrientation = sharp::AttrAsBool(options, "useExifOrientation");
baton->angle = sharp::AttrAsInt32(options, "angle");
baton->rotationAngle = sharp::AttrAsDouble(options, "rotationAngle");
baton->rotationBackground = sharp::AttrAsRgba(options, "rotationBackground");
baton->rotationBackground = sharp::AttrAsVectorOfDouble(options, "rotationBackground");
baton->rotateBeforePreExtract = sharp::AttrAsBool(options, "rotateBeforePreExtract");
baton->flip = sharp::AttrAsBool(options, "flip");
baton->flop = sharp::AttrAsBool(options, "flop");
@@ -1292,8 +1304,15 @@ Napi::Value pipeline(const Napi::CallbackInfo& info) {
baton->extendBottom = sharp::AttrAsInt32(options, "extendBottom");
baton->extendLeft = sharp::AttrAsInt32(options, "extendLeft");
baton->extendRight = sharp::AttrAsInt32(options, "extendRight");
baton->extendBackground = sharp::AttrAsRgba(options, "extendBackground");
baton->extendBackground = sharp::AttrAsVectorOfDouble(options, "extendBackground");
baton->extractChannel = sharp::AttrAsInt32(options, "extractChannel");
baton->affineMatrix = sharp::AttrAsVectorOfDouble(options, "affineMatrix");
baton->affineBackground = sharp::AttrAsVectorOfDouble(options, "affineBackground");
baton->affineIdx = sharp::AttrAsDouble(options, "affineIdx");
baton->affineIdy = sharp::AttrAsDouble(options, "affineIdy");
baton->affineOdx = sharp::AttrAsDouble(options, "affineOdx");
baton->affineOdy = sharp::AttrAsDouble(options, "affineOdy");
baton->affineInterpolator = vips::VInterpolate::new_from_name(sharp::AttrAsStr(options, "affineInterpolator").data());
baton->removeAlpha = sharp::AttrAsBool(options, "removeAlpha");
baton->ensureAlpha = sharp::AttrAsBool(options, "ensureAlpha");
@@ -1392,7 +1411,7 @@ Napi::Value pipeline(const Napi::CallbackInfo& info) {
baton->tileSize = sharp::AttrAsUint32(options, "tileSize");
baton->tileOverlap = sharp::AttrAsUint32(options, "tileOverlap");
baton->tileAngle = sharp::AttrAsInt32(options, "tileAngle");
baton->tileBackground = sharp::AttrAsRgba(options, "tileBackground");
baton->tileBackground = sharp::AttrAsVectorOfDouble(options, "tileBackground");
baton->tileSkipBlanks = sharp::AttrAsInt32(options, "tileSkipBlanks");
baton->tileContainer = static_cast<VipsForeignDzContainer>(
vips_enum_from_nick(nullptr, VIPS_TYPE_FOREIGN_DZ_CONTAINER,