private static Insets scaleFromDensity(Insets insets, int sdensity, int tdensity) {
int left = Bitmap.scaleFromDensity(insets.left, sdensity, tdensity);
int top = Bitmap.scaleFromDensity(insets.top, sdensity, tdensity);
int right = Bitmap.scaleFromDensity(insets.right, sdensity, tdensity);
int bottom = Bitmap.scaleFromDensity(insets.bottom, sdensity, tdensity);
return Insets.of(left, top, right, bottom);
}
private void computeBitmapSize() {
final int sdensity = mNinePatch.getDensity();
final int tdensity = mTargetDensity;
if (sdensity == tdensity) {
mBitmapWidth = mNinePatch.getWidth();
mBitmapHeight = mNinePatch.getHeight();
mOpticalInsets = mNinePatchState.mOpticalInsets;
} else {
mBitmapWidth = Bitmap.scaleFromDensity(mNinePatch.getWidth(), sdensity, tdensity);
mBitmapHeight = Bitmap.scaleFromDensity(mNinePatch.getHeight(), sdensity, tdensity);
if (mNinePatchState.mPadding != null && mPadding != null) {
Rect dest = mPadding;
Rect src = mNinePatchState.mPadding;
if (dest == src) {
mPadding = dest = new Rect(src);
}
dest.left = Bitmap.scaleFromDensity(src.left, sdensity, tdensity);
dest.top = Bitmap.scaleFromDensity(src.top, sdensity, tdensity);
dest.right = Bitmap.scaleFromDensity(src.right, sdensity, tdensity);
dest.bottom = Bitmap.scaleFromDensity(src.bottom, sdensity, tdensity);
}
mOpticalInsets = scaleFromDensity(mNinePatchState.mOpticalInsets, sdensity, tdensity);
}
}