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Update 3.show-result-texts-on-the-video.html #119

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Merged
merged 1 commit into from
May 23, 2023
Merged

Update 3.show-result-texts-on-the-video.html #119

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47 changes: 18 additions & 29 deletions 4.use-case/3.show-result-texts-on-the-video.html
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Original file line number Diff line number Diff line change
Expand Up @@ -80,48 +80,37 @@
divTextContainers.innerText = "";

for (let result of results) {
const l = result.localizationResult;
const p1 = {
x: Math.min(
result.localizationResult.x1,
result.localizationResult.x2,
result.localizationResult.x3,
result.localizationResult.x4
),
y: Math.min(
result.localizationResult.y1,
result.localizationResult.y2,
result.localizationResult.y3,
result.localizationResult.y4
),
x: Math.min(l.x1, l.x2, l.x3, l.x4),
y: Math.min(l.y1, l.y2, l.y3, l.y4),
};
const p2 = {
x: Math.max(
result.localizationResult.x1,
result.localizationResult.x2,
result.localizationResult.x3,
result.localizationResult.x4
),
y: Math.max(
result.localizationResult.y1,
result.localizationResult.y2,
result.localizationResult.y3,
result.localizationResult.y4
),
x: Math.max(l.x1, l.x2, l.x3, l.x4),
y: Math.max(l.y1, l.y2, l.y3, l.y4),
};

/**
* 'convertToPageCoordinates()' is used to converts coordinate of a barcode location to the coordinate related to the document.
* Then we can place a div element according to the converted coordinate.
*/
const convertedP1 = scanner.convertToPageCoordinates(p1);
const convertedP2 = scanner.convertToPageCoordinates(p2);

textContainer = document.createElement("div");
textContainer.style.position = "absolute";
textContainer.style.left = convertedP1.x + "px";
textContainer.style.right = document.body.clientWidth - convertedP2.x + "px";
textContainer.style.bottom = document.body.clientHeight - convertedP1.y + "px";
textContainer.style.color = "#FE8E14";
Object.assign(textContainer.style, {
position: "absolute",
left: convertedP1.x + "px",
right: document.documentElement.clientWidth - convertedP2.x + "px",
bottom: document.documentElement.clientHeight - convertedP1.y + "px",
color: "#FE8E14",
});
textContainer.innerText = result.barcodeText;
divTextContainers.append(textContainer);

/**
* You can also add more information, such as displaying product images.
*/
}
};

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