/**
* Resets the crop overlay view.
*
* @param bitmap the Bitmap to set
*/
public void resetCropOverlayView() {
if (initializedCropWindow) {
initCropWindow(mBitmapRect);
invalidate();
}
}
@Override
protected void onSizeChanged(int w, int h, int oldw, int oldh) {
// Initialize the crop window here because we need the size of the view
// to have been determined.
initCropWindow(mBitmapRect);
}
/**
* Sets whether the aspect ratio is fixed or not; true fixes the aspect ratio, while false allows
* it to be changed.
*
* @param fixAspectRatio Boolean that signals whether the aspect ratio should be maintained.
*/
public void setFixedAspectRatio(boolean fixAspectRatio) {
mFixAspectRatio = fixAspectRatio;
if (initializedCropWindow) {
initCropWindow(mBitmapRect);
invalidate();
}
}
/**
* Sets the guidelines for the CropOverlayView to be either on, off, or to show when resizing the
* application.
*
* @param guidelines Integer that signals whether the guidelines should be on, off, or only
* showing when resizing.
*/
public void setGuidelines(int guidelines) {
if (guidelines < 0 || guidelines > 2)
throw new IllegalArgumentException(
"Guideline value must be set between 0 and 2. See documentation.");
else {
mGuidelines = guidelines;
if (initializedCropWindow) {
initCropWindow(mBitmapRect);
invalidate();
}
}
}
/**
* Sets the Y value of the aspect ratio; is defaulted to 1.
*
* @param aspectRatioY int that specifies the new Y value of the aspect ratio
*/
public void setAspectRatioY(int aspectRatioY) {
if (aspectRatioY <= 0)
throw new IllegalArgumentException(
"Cannot set aspect ratio value to a number less than or equal to 0.");
else {
mAspectRatioY = aspectRatioY;
mTargetAspectRatio = ((float) mAspectRatioX) / mAspectRatioY;
if (initializedCropWindow) {
initCropWindow(mBitmapRect);
invalidate();
}
}
}
/**
* Informs the CropOverlayView of the image's position relative to the ImageView. This is
* necessary to call in order to draw the crop window.
*
* @param bitmapRect the image's bounding box
*/
public void setBitmapRect(Rect bitmapRect) {
mBitmapRect = bitmapRect;
initCropWindow(mBitmapRect);
}