public void setCropVisible(boolean mDefault) {
if (mDefault) {
mCropView.setVisibility(View.VISIBLE);
} else {
mCropView.setVisibility(View.GONE);
}
}
public void setCropViewVisible(boolean visible) {
if (visible) {
mCropView.setVisibility(View.VISIBLE);
} else {
mCropView.setVisibility(View.GONE);
}
}
protected void cropImageAndSetWallpaper(
Resources res, int resId, final boolean finishActivityWhenDone) {
// crop this image and scale it down to the default wallpaper size for
// this device
int rotation = getRotationFromExif(res, resId);
Point inSize = mCropView.getSourceDimensions();
Point outSize = getDefaultWallpaperSize(getResources(), getWindowManager());
RectF crop = getMaxCropRect(inSize.x, inSize.y, outSize.x, outSize.y, false);
Runnable onEndCrop =
new Runnable() {
public void run() {
// Passing 0, 0 will cause launcher to revert to using the
// default wallpaper size
updateWallpaperDimensions(0, 0);
if (finishActivityWhenDone) {
setResult(Activity.RESULT_OK);
finish();
}
}
};
BitmapCropTask cropTask =
new BitmapCropTask(
this, res, resId, crop, rotation, outSize.x, outSize.y, true, false, onEndCrop);
cropTask.execute();
}
@Override
protected void onDestroy() {
if (mCropView != null) {
mCropView.destroy();
}
super.onDestroy();
}
public void init(Context context) {
LayoutInflater inflater =
(LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
View view = inflater.inflate(R.layout.view_crop, this, true);
mImageView = (ImageView) view.findViewById(R.id.imageView);
mCropView = (CropView) view.findViewById(R.id.cropView);
mCropView.setImageView(mImageView);
setDefault(true);
}
@Override
public void prepare() {
// Cropped results wouldn't be previewed for changed crop bounds.
final CropFilter filter = new CropFilter();
disableFilterOutput();
CropView cropView = toolKit.addCropView();
cropView.setOnCropChangeListener(
new CropView.OnCropChangeListener() {
@Override
public void onCropChanged(RectF cropBounds, boolean fromUser) {
if (fromUser) {
filter.setCropBounds(cropBounds);
notifyChanged(filter);
}
}
});
RectF bounds = new RectF(DEFAULT_CROP, DEFAULT_CROP, 1 - DEFAULT_CROP, 1 - DEFAULT_CROP);
cropView.setCropBounds(bounds);
filter.setCropBounds(bounds);
notifyChanged(filter);
}
protected void cropImageAndSetWallpaper(
Uri uri,
OnBitmapCroppedHandler onBitmapCroppedHandler,
final boolean finishActivityWhenDone) {
boolean centerCrop = getResources().getBoolean(R.bool.center_crop);
// Get the crop
boolean ltr = mCropView.getLayoutDirection() == View.LAYOUT_DIRECTION_LTR;
Display d = getWindowManager().getDefaultDisplay();
Point displaySize = new Point();
d.getSize(displaySize);
boolean isPortrait = displaySize.x < displaySize.y;
Point defaultWallpaperSize = getDefaultWallpaperSize(getResources(), getWindowManager());
// Get the crop
RectF cropRect = mCropView.getCrop();
Point inSize = mCropView.getSourceDimensions();
int cropRotation = mCropView.getImageRotation();
float cropScale = mCropView.getWidth() / (float) cropRect.width();
Matrix rotateMatrix = new Matrix();
rotateMatrix.setRotate(cropRotation);
float[] rotatedInSize = new float[] {inSize.x, inSize.y};
rotateMatrix.mapPoints(rotatedInSize);
rotatedInSize[0] = Math.abs(rotatedInSize[0]);
rotatedInSize[1] = Math.abs(rotatedInSize[1]);
// due to rounding errors in the cropview renderer the edges can be slightly offset
// therefore we ensure that the boundaries are sanely defined
cropRect.left = Math.max(0, cropRect.left);
cropRect.right = Math.min(rotatedInSize[0], cropRect.right);
cropRect.top = Math.max(0, cropRect.top);
cropRect.bottom = Math.min(rotatedInSize[1], cropRect.bottom);
// ADJUST CROP WIDTH
// Extend the crop all the way to the right, for parallax
// (or all the way to the left, in RTL)
float extraSpace;
if (centerCrop) {
extraSpace = 2f * Math.min(rotatedInSize[0] - cropRect.right, cropRect.left);
} else {
extraSpace = ltr ? rotatedInSize[0] - cropRect.right : cropRect.left;
}
// Cap the amount of extra width
float maxExtraSpace = defaultWallpaperSize.x / cropScale - cropRect.width();
extraSpace = Math.min(extraSpace, maxExtraSpace);
if (centerCrop) {
cropRect.left -= extraSpace / 2f;
cropRect.right += extraSpace / 2f;
} else {
if (ltr) {
cropRect.right += extraSpace;
} else {
cropRect.left -= extraSpace;
}
}
// ADJUST CROP HEIGHT
if (isPortrait) {
cropRect.bottom = cropRect.top + defaultWallpaperSize.y / cropScale;
} else { // LANDSCAPE
float extraPortraitHeight = defaultWallpaperSize.y / cropScale - cropRect.height();
float expandHeight =
Math.min(
Math.min(rotatedInSize[1] - cropRect.bottom, cropRect.top), extraPortraitHeight / 2);
cropRect.top -= expandHeight;
cropRect.bottom += expandHeight;
}
final int outWidth = (int) Math.round(cropRect.width() * cropScale);
final int outHeight = (int) Math.round(cropRect.height() * cropScale);
Runnable onEndCrop =
new Runnable() {
public void run() {
updateWallpaperDimensions(outWidth, outHeight);
if (finishActivityWhenDone) {
setResult(Activity.RESULT_OK);
finish();
}
}
};
BitmapCropTask cropTask =
new BitmapCropTask(
this, uri, cropRect, cropRotation, outWidth, outHeight, true, false, onEndCrop);
if (onBitmapCroppedHandler != null) {
cropTask.setOnBitmapCropped(onBitmapCroppedHandler);
}
cropTask.execute();
}
public List<Poynt> getCropCorners() {
return mCropView.getCorners();
}
public void setDefault(boolean mDefault) {
mCropView.setDefault(mDefault);
mCropView.invalidate();
}
public void setCorners(List<Poynt> corners) {
mCropView.setCorners(corners);
mCropView.invalidate();
}
public void setImageBitmap(Bitmap b) {
mImageView.setImageBitmap(b);
mCropView.setBitmap(b);
setCropViewVisible(true);
}
