55 lines
1.6 KiB
QML
55 lines
1.6 KiB
QML
import QtQuick 2.9
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SegmentedImage {
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id: segmentedImage
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property var masks: []
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property bool debug: false
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// http://stackoverflow.com/a/1830844/538866
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function isNumeric (n) {
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return !isNaN(parseFloat(n)) && isFinite(n);
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}
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function getMasksToEnroll () {
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var outMasks = [];
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if (masks && masks.length) {
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masks.forEach(function (mask, i) {
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// Format is "<source>/[x1,y1,w1,h1],…,[xn,yn,wn,hn]"
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// If any value is non-numeric, we drop the mask.
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if (!isNumeric(mask.x) || !isNumeric(mask.y) || !isNumeric(mask.width)
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|| !isNumeric(mask.height))
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return;
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// Translate the box so as to mirror the mask
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mask.x = (1 - (mask.x + mask.width));
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outMasks.push(mask);
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});
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}
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return outMasks;
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}
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onMasksChanged: segmentedImage.enrollMasks(getMasksToEnroll())
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textureSource: "../images/fingerprint/fingerprint_segmented.png"
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boxesSource: "../images/fingerprint/fingerprint_boxes.json"
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Repeater {
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model: segmentedImage.masks
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Rectangle {
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visible: segmentedImage.debug
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color: "red"
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opacity: 0.25
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x: modelData.x * segmentedImage.implicitWidth
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y: modelData.y * segmentedImage.implicitHeight
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width: modelData.width * segmentedImage.implicitWidth
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height: modelData.height * segmentedImage.implicitHeight
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Component.onCompleted: console.log('Scanner mask (x, y, w, h):', x, y, width, height)
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}
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}
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}
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