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74 lines
2.3 KiB
JavaScript
74 lines
2.3 KiB
JavaScript
'use strict';
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const assert = require('assert');
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const fixtures = require('../fixtures');
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const sharp = require('../../');
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describe('Deprecated background', function () {
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it('Flatten to RGB orange', function (done) {
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sharp(fixtures.inputPngWithTransparency)
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.flatten()
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.background({ r: 255, g: 102, b: 0 })
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.resize(400, 300)
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.toBuffer(function (err, data, info) {
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if (err) throw err;
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assert.strictEqual(400, info.width);
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assert.strictEqual(300, info.height);
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fixtures.assertSimilar(fixtures.expected('flatten-orange.jpg'), data, done);
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});
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});
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it('Flatten to CSS/hex orange', function (done) {
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sharp(fixtures.inputPngWithTransparency)
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.flatten()
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.background('#ff6600')
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.resize(400, 300)
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.toBuffer(function (err, data, info) {
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if (err) throw err;
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assert.strictEqual(400, info.width);
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assert.strictEqual(300, info.height);
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fixtures.assertSimilar(fixtures.expected('flatten-orange.jpg'), data, done);
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});
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});
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it('Flatten 16-bit PNG with transparency to orange', function (done) {
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const output = fixtures.path('output.flatten-rgb16-orange.jpg');
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sharp(fixtures.inputPngWithTransparency16bit)
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.flatten()
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.background({ r: 255, g: 102, b: 0 })
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.toFile(output, function (err, info) {
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if (err) throw err;
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assert.strictEqual(true, info.size > 0);
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assert.strictEqual(32, info.width);
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assert.strictEqual(32, info.height);
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fixtures.assertMaxColourDistance(output, fixtures.expected('flatten-rgb16-orange.jpg'), 25);
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done();
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});
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});
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it('Ignored for JPEG', function (done) {
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sharp(fixtures.inputJpg)
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.background('#ff0000')
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.flatten()
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.toBuffer(function (err, data, info) {
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if (err) throw err;
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assert.strictEqual('jpeg', info.format);
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assert.strictEqual(3, info.channels);
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done();
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});
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});
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it('extend all sides equally with RGB', function (done) {
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sharp(fixtures.inputJpg)
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.resize(120)
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.background({ r: 255, g: 0, b: 0 })
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.extend(10)
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.toBuffer(function (err, data, info) {
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if (err) throw err;
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assert.strictEqual(140, info.width);
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assert.strictEqual(118, info.height);
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fixtures.assertSimilar(fixtures.expected('extend-equal.jpg'), data, done);
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});
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});
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});
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