/**
* Superimpose a line for 1D or dots for 2D to highlight the key features of the barcode.
*
* @param barcode A bitmap of the captured image.
* @param rawResult The decoded results which contains the points to draw.
*/
private void drawResultPoints(Bitmap barcode, Result rawResult) {
ResultPoint[] points = rawResult.getResultPoints();
if (points != null && points.length > 0) {
Canvas canvas = new Canvas(barcode);
Paint paint = new Paint();
paint.setColor(getResources().getColor(R.color.result_image_border));
paint.setStrokeWidth(3.0f);
paint.setStyle(Paint.Style.STROKE);
Rect border = new Rect(2, 2, barcode.getWidth() - 2, barcode.getHeight() - 2);
canvas.drawRect(border, paint);
paint.setColor(getResources().getColor(R.color.result_points));
if (points.length == 2) {
paint.setStrokeWidth(4.0f);
drawLine(canvas, paint, points[0], points[1]);
} else if (points.length == 4 && (rawResult.getBarcodeFormat().equals(BarcodeFormat.UPC_A))
|| (rawResult.getBarcodeFormat().equals(BarcodeFormat.EAN_13))) {
// Hacky special case -- draw two lines, for the barcode and metadata
drawLine(canvas, paint, points[0], points[1]);
drawLine(canvas, paint, points[2], points[3]);
} else {
paint.setStrokeWidth(10.0f);
for (ResultPoint point : points) {
canvas.drawPoint(point.getX(), point.getY(), paint);
}
}
}
}
/**
* Superimpose a line for 1D or dots for 2D to highlight the key features of the barcode.
*
* @param barcode A bitmap of the captured image.
* @param scaleFactor amount by which thumbnail was scaled
* @param rawResult The decoded results which contains the points to draw.
*/
private void drawResultPoints(Bitmap barcode, float scaleFactor, Result rawResult) {
ResultPoint[] points = rawResult.getResultPoints();
if (points != null && points.length > 0) {
Canvas canvas = new Canvas(barcode);
Paint paint = new Paint();
paint.setColor(getResources().getColor(R.color.result_points));
if (points.length == 2) {
paint.setStrokeWidth(4.0f);
drawLine(canvas, paint, points[0], points[1], scaleFactor);
} else if (points.length == 4
&& (rawResult.getBarcodeFormat() == BarcodeFormat.UPC_A
|| rawResult.getBarcodeFormat() == BarcodeFormat.EAN_13)) {
// Hacky special case -- draw two lines, for the barcode and metadata
drawLine(canvas, paint, points[0], points[1], scaleFactor);
drawLine(canvas, paint, points[2], points[3], scaleFactor);
} else {
paint.setStrokeWidth(10.0f);
for (ResultPoint point : points) {
if (point != null) {
canvas.drawPoint(scaleFactor * point.getX(), scaleFactor * point.getY(), paint);
}
}
}
}
}
