public Mat onCameraFrame(CvCameraViewFrame inputFrame) {
// input frame has RGBA format
mRgba = inputFrame.rgba();
mGray = inputFrame.gray();
// Size originalSize = mRgba.size();
// Transform.flip(mRgba, Transform.FlipType.FLIP_BOTH);
// Transform.flip(mGray, Transform.FlipType.FLIP_BOTH);
// Transform.shrink(mRgba, new Size(480, 480), true);
// Transform.shrink(mGray, new Size(480, 480), true);
fpsCounter.update();
try {
// Process the frame for the color blobs
detectorRed.process(mRgba);
detectorBlue.process(mRgba);
// Get the list of contours
List<Contour> contoursRed = detectorRed.getContours();
List<Contour> contoursBlue = detectorBlue.getContours();
// Get color analysis
Beacon beacon = new Beacon();
Beacon.BeaconAnalysis colorAnalysis =
beacon.analyzeColor(contoursRed, contoursBlue, mRgba, mGray);
// Drawing.drawText(mRgba, beaconCenterX + ", " + beaconCenterY,
// new Point(0, 8), 1.0f, new ColorGRAY(255), Drawing.Anchor.BOTTOMLEFT);
// Transform.enlarge(mRgba, originalSize, true);
// Transform.enlarge(mGray, originalSize, true);
Drawing.drawText(
mRgba,
Double.toString(beacon.getBeaconCenter().x)
+ ", "
+ Double.toString(beacon.getBeaconCenter().y),
new Point(0, 8),
1.0f,
new ColorGRAY(255),
Drawing.Anchor.BOTTOMLEFT);
} catch (Exception e) {
Drawing.drawText(
mRgba,
"Analysis Error",
new Point(0, 8),
1.0f,
new ColorRGBA("#F44336"),
Drawing.Anchor.BOTTOMLEFT);
e.printStackTrace();
}
Drawing.drawText(
mRgba,
"FPS: " + fpsCounter.getFPSString(),
new Point(0, 24),
1.0f,
new ColorRGBA("#ffffff")); // "#2196F3"
return mRgba;
}
