// Create a default HightlightView if we found no face in the picture.
private void makeDefault() {
HighlightView hv = new HighlightView(mImageView);
int width = mBitmap.getWidth();
int height = mBitmap.getHeight();
Rect imageRect = new Rect(0, 0, width, height);
// make the default size about 4/5 of the width or height
int cropWidth = Math.min(width, height) * 4 / 5;
int cropHeight = cropWidth;
if (mAspectX != 0 && mAspectY != 0) {
if (mAspectX > mAspectY) {
cropHeight = cropWidth * mAspectY / mAspectX;
} else {
cropWidth = cropHeight * mAspectX / mAspectY;
}
}
int x = (width - cropWidth) / 2;
int y = (height - cropHeight) / 2;
RectF cropRect = new RectF(x, y, x + cropWidth, y + cropHeight);
hv.setup(mImageMatrix, imageRect, cropRect, mCircleCrop, mAspectX != 0 && mAspectY != 0);
mImageView.mHighlightViews.clear(); // Thong added for rotate
mImageView.add(hv);
}
private void startFaceDetection() {
if (isFinishing()) {
return;
}
mImageView.setImageBitmapResetBase(mBitmap, true);
Util.startBackgroundJob(
this,
null,
"Please wait\u2026",
new Runnable() {
public void run() {
final CountDownLatch latch = new CountDownLatch(1);
final Bitmap b = mBitmap;
mHandler.post(
new Runnable() {
public void run() {
if (b != mBitmap && b != null) {
mImageView.setImageBitmapResetBase(b, true);
mBitmap.recycle();
mBitmap = b;
}
if (mImageView.getScale() == 1F) {
mImageView.center(true, true);
}
latch.countDown();
}
});
try {
latch.await();
} catch (InterruptedException e) {
throw new RuntimeException(e);
}
mRunFaceDetection.run();
}
},
mHandler);
}
public void run() {
mImageMatrix = mImageView.getImageMatrix();
Bitmap faceBitmap = prepareBitmap();
mScale = 1.0F / mScale;
if (faceBitmap != null && mDoFaceDetection) {
FaceDetector detector =
new FaceDetector(faceBitmap.getWidth(), faceBitmap.getHeight(), mFaces.length);
mNumFaces = detector.findFaces(faceBitmap, mFaces);
}
if (faceBitmap != null && faceBitmap != mBitmap) {
faceBitmap.recycle();
}
mHandler.post(
new Runnable() {
public void run() {
mWaitingToPick = mNumFaces > 1;
if (mNumFaces > 0) {
for (int i = 0; i < mNumFaces; i++) {
handleFace(mFaces[i]);
}
} else {
makeDefault();
}
mImageView.invalidate();
if (mImageView.mHighlightViews.size() == 1) {
mCrop = mImageView.mHighlightViews.get(0);
mCrop.setFocus(true);
}
if (mNumFaces > 1) {
Toast.makeText(CropImage.this, "Multi face crop help", Toast.LENGTH_SHORT)
.show();
}
}
});
}
// For each face, we create a HightlightView for it.
private void handleFace(FaceDetector.Face f) {
PointF midPoint = new PointF();
int r = ((int) (f.eyesDistance() * mScale)) * 2;
f.getMidPoint(midPoint);
midPoint.x *= mScale;
midPoint.y *= mScale;
int midX = (int) midPoint.x;
int midY = (int) midPoint.y;
HighlightView hv = new HighlightView(mImageView);
int width = mBitmap.getWidth();
int height = mBitmap.getHeight();
Rect imageRect = new Rect(0, 0, width, height);
RectF faceRect = new RectF(midX, midY, midX, midY);
faceRect.inset(-r, -r);
if (faceRect.left < 0) {
faceRect.inset(-faceRect.left, -faceRect.left);
}
if (faceRect.top < 0) {
faceRect.inset(-faceRect.top, -faceRect.top);
}
if (faceRect.right > imageRect.right) {
faceRect.inset(faceRect.right - imageRect.right, faceRect.right - imageRect.right);
}
if (faceRect.bottom > imageRect.bottom) {
faceRect.inset(faceRect.bottom - imageRect.bottom, faceRect.bottom - imageRect.bottom);
}
hv.setup(mImageMatrix, imageRect, faceRect, mCircleCrop, mAspectX != 0 && mAspectY != 0);
mImageView.add(hv);
}