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Expose libvips interpolators #69

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Lovell Fuller
2014-08-22 16:50:24 +01:00
parent 6498fc3a9e
commit 017bf1e905
4 changed files with 112 additions and 46 deletions
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28
tests/perf.js
View File

@@ -188,7 +188,7 @@ async.series({
}).add("sharp-file-buffer-bicubic", {
defer: true,
fn: function(deferred) {
sharp(inputJpg).resize(width, height).bicubicInterpolation().toBuffer(function(err, buffer) {
sharp(inputJpg).resize(width, height).interpolateWith(sharp.interpolator.bicubic).toBuffer(function(err, buffer) {
if (err) {
throw err;
} else {
@@ -200,7 +200,31 @@ async.series({
}).add("sharp-file-buffer-nohalo", {
defer: true,
fn: function(deferred) {
sharp(inputJpg).resize(width, height).nohaloInterpolation().toBuffer(function(err, buffer) {
sharp(inputJpg).resize(width, height).interpolateWith(sharp.interpolator.nohalo).toBuffer(function(err, buffer) {
if (err) {
throw err;
} else {
assert.notStrictEqual(null, buffer);
deferred.resolve();
}
});
}
}).add("sharp-file-buffer-locallyBoundedBicubic", {
defer: true,
fn: function(deferred) {
sharp(inputJpg).resize(width, height).interpolateWith(sharp.interpolator.locallyBoundedBicubic).toBuffer(function(err, buffer) {
if (err) {
throw err;
} else {
assert.notStrictEqual(null, buffer);
deferred.resolve();
}
});
}
}).add("sharp-file-buffer-vertexSplitQuadraticBasisSpline", {
defer: true,
fn: function(deferred) {
sharp(inputJpg).resize(width, height).interpolateWith(sharp.interpolator.vertexSplitQuadraticBasisSpline).toBuffer(function(err, buffer) {
if (err) {
throw err;
} else {

30
tests/unit.js
View File

@@ -249,7 +249,7 @@ async.series([
},
// Interpolation: bilinear
function(done) {
sharp(inputJpg).resize(320, 240).bilinearInterpolation().toBuffer(function(err, data, info) {
sharp(inputJpg).resize(320, 240).interpolateWith(sharp.interpolator.bilinear).toBuffer(function(err, data, info) {
if (err) throw err;
assert.strictEqual(true, data.length > 0);
assert.strictEqual(320, info.width);
@@ -259,7 +259,7 @@ async.series([
},
// Interpolation: bicubic
function(done) {
sharp(inputJpg).resize(320, 240).bicubicInterpolation().toBuffer(function(err, data, info) {
sharp(inputJpg).resize(320, 240).interpolateWith(sharp.interpolator.bicubic).toBuffer(function(err, data, info) {
if (err) throw err;
assert.strictEqual(true, data.length > 0);
assert.strictEqual(320, info.width);
@@ -269,7 +269,27 @@ async.series([
},
// Interpolation: nohalo
function(done) {
sharp(inputJpg).resize(320, 240).nohaloInterpolation().toBuffer(function(err, data, info) {
sharp(inputJpg).resize(320, 240).interpolateWith(sharp.interpolator.nohalo).toBuffer(function(err, data, info) {
if (err) throw err;
assert.strictEqual(true, data.length > 0);
assert.strictEqual(320, info.width);
assert.strictEqual(240, info.height);
done();
});
},
// Interpolation: locally bounded bicubic (LBB)
function(done) {
sharp(inputJpg).resize(320, 240).interpolateWith(sharp.interpolator.locallyBoundedBicubic).toBuffer(function(err, data, info) {
if (err) throw err;
assert.strictEqual(true, data.length > 0);
assert.strictEqual(320, info.width);
assert.strictEqual(240, info.height);
done();
});
},
// Interpolation: vertex split quadratic basis spline (VSQBS)
function(done) {
sharp(inputJpg).resize(320, 240).interpolateWith(sharp.interpolator.vertexSplitQuadraticBasisSpline).toBuffer(function(err, data, info) {
if (err) throw err;
assert.strictEqual(true, data.length > 0);
assert.strictEqual(320, info.width);
@@ -346,7 +366,7 @@ async.series([
});
});
var pipeline = sharp().resize(320, 240);
readable.pipe(pipeline).pipe(writable)
readable.pipe(pipeline).pipe(writable);
},
// Crop, gravity=north
function(done) {
@@ -516,7 +536,7 @@ async.series([
assert.strictEqual(1362, info.width);
assert.strictEqual(1112, info.height);
done();
})
});
});
},
// Verify internal counters