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add corner gavity support

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Brandon Aaron
2015-10-27 15:10:10 -04:00
parent ef62daccf9
commit 25e5f27785
3 changed files with 125 additions and 72 deletions
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183
test/unit/crop.js
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@@ -9,76 +9,119 @@ sharp.cache(0);
describe('Crop gravities', function() {
it('North', function(done) {
sharp(fixtures.inputJpg)
.resize(320, 80)
.crop(sharp.gravity.north)
.toBuffer(function(err, data, info) {
if (err) throw err;
assert.strictEqual(320, info.width);
assert.strictEqual(80, info.height);
fixtures.assertSimilar(fixtures.expected('gravity-north.jpg'), data, done);
});
});
var testSettings = [
{
name: 'North',
width: 320,
height: 80,
gravity: sharp.gravity.north,
fixture: 'gravity-north.jpg'
},
{
name: 'East',
width: 80,
height: 320,
gravity: sharp.gravity.east,
fixture: 'gravity-east.jpg'
},
{
name: 'South',
width: 320,
height: 80,
gravity: sharp.gravity.south,
fixture: 'gravity-south.jpg'
},
{
name: 'West',
width: 80,
height: 320,
gravity: sharp.gravity.west,
fixture: 'gravity-west.jpg'
},
{
name: 'Center',
width: 320,
height: 80,
gravity: sharp.gravity.center,
fixture: 'gravity-center.jpg'
},
{
name: 'Centre',
width: 80,
height: 320,
gravity: sharp.gravity.centre,
fixture: 'gravity-centre.jpg'
},
{
name: 'Northeast',
width: 320,
height: 80,
gravity: sharp.gravity.northeast,
fixture: 'gravity-north.jpg'
},
{
name: 'Northeast',
width: 80,
height: 320,
gravity: sharp.gravity.northeast,
fixture: 'gravity-east.jpg'
},
{
name: 'Southeast',
width: 320,
height: 80,
gravity: sharp.gravity.southeast,
fixture: 'gravity-south.jpg'
},
{
name: 'Southeast',
width: 80,
height: 320,
gravity: sharp.gravity.southeast,
fixture: 'gravity-east.jpg'
},
{
name: 'Southwest',
width: 320,
height: 80,
gravity: sharp.gravity.southwest,
fixture: 'gravity-south.jpg'
},
{
name: 'Southwest',
width: 80,
height: 320,
gravity: sharp.gravity.southwest,
fixture: 'gravity-west.jpg'
},
{
name: 'Northwest',
width: 320,
height: 80,
gravity: sharp.gravity.northwest,
fixture: 'gravity-north.jpg'
},
{
name: 'Northwest',
width: 80,
height: 320,
gravity: sharp.gravity.northwest,
fixture: 'gravity-west.jpg'
}
];
it('East', function(done) {
sharp(fixtures.inputJpg)
.resize(80, 320)
.crop(sharp.gravity.east)
.toBuffer(function(err, data, info) {
if (err) throw err;
assert.strictEqual(80, info.width);
assert.strictEqual(320, info.height);
fixtures.assertSimilar(fixtures.expected('gravity-east.jpg'), data, done);
});
});
it('South', function(done) {
sharp(fixtures.inputJpg)
.resize(320, 80)
.crop(sharp.gravity.south)
.toBuffer(function(err, data, info) {
if (err) throw err;
assert.strictEqual(320, info.width);
assert.strictEqual(80, info.height);
fixtures.assertSimilar(fixtures.expected('gravity-south.jpg'), data, done);
});
});
it('West', function(done) {
sharp(fixtures.inputJpg)
.resize(80, 320)
.crop(sharp.gravity.west)
.toBuffer(function(err, data, info) {
if (err) throw err;
assert.strictEqual(80, info.width);
assert.strictEqual(320, info.height);
fixtures.assertSimilar(fixtures.expected('gravity-west.jpg'), data, done);
});
});
it('Center', function(done) {
sharp(fixtures.inputJpg)
.resize(320, 80)
.crop(sharp.gravity.center)
.toBuffer(function(err, data, info) {
if (err) throw err;
assert.strictEqual(320, info.width);
assert.strictEqual(80, info.height);
fixtures.assertSimilar(fixtures.expected('gravity-center.jpg'), data, done);
});
});
it('Centre', function(done) {
sharp(fixtures.inputJpg)
.resize(80, 320)
.crop(sharp.gravity.centre)
.toBuffer(function(err, data, info) {
if (err) throw err;
assert.strictEqual(80, info.width);
assert.strictEqual(320, info.height);
fixtures.assertSimilar(fixtures.expected('gravity-centre.jpg'), data, done);
});
testSettings.forEach(function(settings) {
it(settings.name, function(done) {
sharp(fixtures.inputJpg)
.resize(settings.width, settings.height)
.crop(settings.gravity)
.toBuffer(function(err, data, info) {
if (err) throw err;
assert.strictEqual(settings.width, info.width);
assert.strictEqual(settings.height, info.height);
fixtures.assertSimilar(fixtures.expected(settings.fixture), data, done);
});
});
});
it('allows specifying the gravity as a string', function(done) {
@@ -95,7 +138,7 @@ describe('Crop gravities', function() {
it('Invalid number', function() {
assert.throws(function() {
sharp(fixtures.inputJpg).crop(5);
sharp(fixtures.inputJpg).crop(9);
});
});