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Recalculate residual float value for affine after shrink #26

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Switch to static casts for double values

Add unit tests that previously would have failed
This commit is contained in:
Lovell Fuller
2014-05-18 11:37:55 +01:00
parent 6622045172
commit 308d1971d8
2 changed files with 41 additions and 7 deletions
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26
tests/unit.js
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@@ -9,6 +9,9 @@ var fixturesPath = path.join(__dirname, "fixtures");
var inputJpg = path.join(fixturesPath, "2569067123_aca715a2ee_o.jpg"); // http://www.flickr.com/photos/grizdave/2569067123/
var outputJpg = path.join(fixturesPath, "output.jpg");
var inputTiff = path.join(fixturesPath, "G31D.TIF"); // http://www.fileformat.info/format/tiff/sample/e6c9a6e5253348f4aef6d17b534360ab/index.htm
var outputTiff = path.join(fixturesPath, "output.tiff");
async.series([
// Resize with exact crop
function(done) {
@@ -83,6 +86,29 @@ async.series([
});
});
});
},
// TIFF with dimensions known to cause rounding errors
function(done) {
sharp(inputTiff).resize(240, 320).embedBlack().write(outputJpg, function(err) {
if (err) throw err;
imagemagick.identify(outputJpg, function(err, features) {
if (err) throw err;
assert.strictEqual(240, features.width);
assert.strictEqual(320, features.height);
done();
});
});
},
function(done) {
sharp(inputTiff).resize(240, 320).write(outputJpg, function(err) {
if (err) throw err;
imagemagick.identify(outputJpg, function(err, features) {
if (err) throw err;
assert.strictEqual(240, features.width);
assert.strictEqual(320, features.height);
done();
});
});
}
]);