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Support multiple monitors in QR scan

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Dag Heyman 2017-02-15 15:00:30 +01:00
parent 46fa7d8f6d
commit e7a45abe7b
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GPG Key ID: 06FC004369E7D338
3 changed files with 37 additions and 33 deletions
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12
py/yubikey.py
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@ -142,12 +142,12 @@ class Controller(object):
return b32decode(key)
def parse_qr(self, image):
data = b64decode(image['data'])
image = PixelImage(data, image['width'], image['height'])
for qr in qrparse.parse_qr_codes(image, 2):
return parse_uri(qrdecode.decode_qr_data(qr))
return ""
def parse_qr(self, screenshots):
for s in screenshots:
data = b64decode(s['data'])
image = PixelImage(data, s['width'], s['height'])
for qr in qrparse.parse_qr_codes(image, 2):
return parse_uri(qrdecode.decode_qr_data(qr))
class PixelImage(object):

4
qml/YubiKey.qml
View File

@ -195,7 +195,7 @@ Python {
do_call('yubikey.controller.delete_credential', [credential, passwordKey])
}
function parseQr(image, cb){
do_call('yubikey.controller.parse_qr', [image], cb)
function parseQr(screenShots, cb){
do_call('yubikey.controller.parse_qr', [screenShots], cb)
}
}

54
screenshot.h
View File

@ -10,34 +10,38 @@ public:
explicit ScreenShot () : QObject() {}
// Take a screenshot, convert it to a bitarray and return it with some metadata
Q_INVOKABLE QVariantMap capture() {
QScreen *screen = QGuiApplication::primaryScreen();
QPixmap screenShotPixMap = screen->grabWindow(0);
QImage image = screenShotPixMap.toImage();
// Monochrome, no dither
image = image.convertToFormat(QImage::Format_Mono, Qt::ThresholdDither);
// Iterate over all pixels
QByteArray imageArray;
for (int row = 0; row < image.height(); ++row) {
for (int col = 0; col < image.width(); ++col) {
QRgb px = image.pixel(col, row);
// If black 1 else 0
if (px == 0xFF000000) {
imageArray.append((char) 1);
} else {
imageArray.append((char) 0);
Q_INVOKABLE QVariantList capture() {
QList<QScreen*> screens = QGuiApplication::screens();
QScreen *screen;
QVariantList maps;
// Iterate the screens
for (int i = 0; i < screens.length(); i++) {
screen = screens.at(i);
// Screen geometry
QRect g = screen->geometry();
QPixmap screenShot = screen->grabWindow(0, g.x(), g.y(), g.width(), g.height());
// Monochrome, no dither
QImage image = screenShot.toImage();
image = image.convertToFormat(QImage::Format_Mono, Qt::ThresholdDither);
// Get all pixels as 1 (black) or 0 (white)
QByteArray imageArray;
for (int row = 0; row < image.height(); ++row) {
for (int col = 0; col < image.width(); ++col) {
QRgb px = image.pixel(col, row);
if (px == 0xFF000000) {
imageArray.append((char) 1);
} else {
imageArray.append((char) 0);
}
}
}
QVariantMap map;
map.insert("width", image.width());
map.insert("height", image.height());
map.insert("data", QString(imageArray.toBase64()));
maps.append(map);
}
QVariantMap map;
map.insert("width", image.width());
map.insert("height", image.height());
map.insert("data", QString(imageArray.toBase64()));
return map;
return maps;
}
};