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Improve SVG support by allowing control of density/DPI

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Switch pre-built libs from Imagemagick to Graphicsmagick
This commit is contained in:
Lovell Fuller
2016-02-01 18:21:03 +00:00
parent 56508e8d79
commit cf7664a854
15 changed files with 158 additions and 93 deletions
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50
test/unit/io.js
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@@ -634,20 +634,37 @@ describe('Input/output', function() {
});
if (sharp.format.magick.input.file) {
it('Convert SVG, if supported, to PNG', function(done) {
it('Convert SVG to PNG at default 72DPI', function(done) {
sharp(fixtures.inputSvg)
.resize(100, 100)
.resize(1024)
.extract({left: 290, top: 760, width: 40, height: 40})
.toFormat('png')
.toBuffer(function(err, data, info) {
if (err) {
assert.strictEqual(0, err.message.indexOf('Input file is missing or of an unsupported image format'));
done();
} else {
assert.strictEqual(true, info.size > 0);
assert.strictEqual('png', info.format);
assert.strictEqual(100, info.width);
assert.strictEqual(100, info.height);
fixtures.assertSimilar(fixtures.expected('svg.png'), data, done);
assert.strictEqual(40, info.width);
assert.strictEqual(40, info.height);
fixtures.assertSimilar(fixtures.expected('svg72.png'), data, done);
}
});
});
it('Convert SVG to PNG at 300DPI', function(done) {
sharp(fixtures.inputSvg, { density: 1200 })
.resize(1024)
.extract({left: 290, top: 760, width: 40, height: 40})
.toFormat('png')
.toBuffer(function(err, data, info) {
if (err) {
assert.strictEqual(0, err.message.indexOf('Input file is missing or of an unsupported image format'));
done();
} else {
assert.strictEqual('png', info.format);
assert.strictEqual(40, info.width);
assert.strictEqual(40, info.height);
fixtures.assertSimilar(fixtures.expected('svg1200.png'), data, done);
}
});
});
@@ -824,6 +841,27 @@ describe('Input/output', function() {
});
describe('Input options', function() {
it('Non-Object options fails', function() {
assert.throws(function() {
sharp(null, 'zoinks');
});
});
it('Invalid density: string', function() {
assert.throws(function() {
sharp(null, { density: 'zoinks' } );
});
});
it('Invalid density: float', function() {
assert.throws(function() {
sharp(null, { density: 0.5 } );
});
});
it('Ignore unknown attribute', function() {
sharp(null, { unknown: true } );
});
});
it('Queue length change events', function(done) {
var eventCounter = 0;
var queueListener = function(queueLength) {