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Code Issues Packages Projects Releases Wiki Activity

Adds "Add QR" module (#736)

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* Adds Add QR module

* Grunt build changes

* Rremoved copyPixels function and added test for QR module

* Resolved test fail issues

* Adds look same test

* Change default to get from info.json
This commit is contained in:
Slytherin
2019-02-21 23:32:24 +05:30
committed by Jeffrey Warren
parent 600ddece58
commit 6dd7738476
12 changed files with 10734 additions and 7260 deletions
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48
src/modules/AddQR/QR.js Normal file
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@@ -0,0 +1,48 @@
module.exports = exports = function (options, pixels, oldPixels, callback) {
var QRCode = require('qrcode')
QRCode.toDataURL(options.qrCodeString, function (err, url) {
var getPixels = require("get-pixels");
getPixels(url, function (err, qrPixels) {
if (err) {
console.log("Bad image path", image);
}
var imagejs = require('imagejs');
var bitmap = new imagejs.Bitmap({ width: qrPixels.shape[0], height: qrPixels.shape[1] });
bitmap._data.data = qrPixels.data;
var resized = bitmap.resize({
width: options.size, height: options.size,
algorithm: "bicubicInterpolation"
});
qrPixels.data = resized._data.data;
qrPixels.shape = [options.size, options.size, 4];
qrPixels.stride[1] = 4 * options.size;
var width = oldPixels.shape[0],
height = oldPixels.shape[1];
var xe = width - options.size,
ye = height - options.size;
for (var m = 0; m < width; m++) {
for (var n = 0; n < height; n++) {
if (m >= xe && n >= ye) {
pixels.set(m, n, 0, qrPixels.get(m - xe, n - ye, 0))
pixels.set(m, n, 1, qrPixels.get(m - xe, n - ye, 1))
pixels.set(m, n, 2, qrPixels.get(m - xe, n - ye, 2))
pixels.set(m, n, 3, qrPixels.get(m - xe, n - ye, 3))
}
else {
pixels.set(m, n, 0, oldPixels.get(m, n, 0))
pixels.set(m, n, 1, oldPixels.get(m, n, 1))
pixels.set(m, n, 2, oldPixels.get(m, n, 2))
pixels.set(m, n, 3, oldPixels.get(m, n, 3))
}
}
}
callback();
})
})
}