package com.joshholtz.cropimageview;
import android.content.Context;
import android.content.res.Resources;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Color;
import android.graphics.Paint.Style;
import android.graphics.Rect;
import android.graphics.drawable.Drawable;
import android.graphics.drawable.LayerDrawable;
import android.graphics.drawable.ShapeDrawable;
import android.graphics.drawable.shapes.OvalShape;
import android.graphics.drawable.shapes.RectShape;
import android.util.AttributeSet;
import android.util.Log;
import android.view.MotionEvent;
import android.view.View;
import android.widget.FrameLayout;
import android.widget.ImageView;
import android.widget.ImageView.ScaleType;
public class CropImageView extends FrameLayout implements View.OnTouchListener {
private final static String TAG = "CropImageView";
private final static int HEIGHT_OF_DRAGGER = 45;
private final static int INITIAL_MARGIN_OF_DRAGGER = 60;
private ImageView mImageView;
private ImageView mTopLeftDragger;
private ImageView mBottomRightDragger;
private ImageView mDaBox;
private Drawable mDraggerDrawable;
private Drawable mCropDrawable;
private boolean mKeepSquare;
private Bitmap mBitmap;
public CropImageView(Context context) {
super(context);
init();
}
public CropImageView(Context context, AttributeSet attrs) {
super(context, attrs);
init();
}
public CropImageView(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
init();
}
public void setImageBitmap(Bitmap bm) {
if (mImageView != null) {
mBitmap = bm;
mImageView.setImageBitmap(bm);
}
}
public void setCornerDrawable(int color, int width, int height) {
mDraggerDrawable = this.getCircleDrawable(color, width, height);
if (mTopLeftDragger != null) {
mTopLeftDragger.setImageDrawable(mDraggerDrawable);
}
if (mBottomRightDragger != null) {
mBottomRightDragger.setImageDrawable(mDraggerDrawable);
}
}
public void setKeepSquare(boolean keepSquare) {
mKeepSquare = keepSquare;
if (mTopLeftDragger != null && mBottomRightDragger != null) {
Log.d(TAG, "Draggers exist");
} else {
Log.d(TAG, "Draggers don't exist");
}
}
public void setCropAreaDrawable(int fillColor, int fillAlpha, int strokeColor, int strokeAlpha, int strokeWidth) {
mCropDrawable = this.getCropDrawable(fillColor, fillAlpha, strokeColor, strokeAlpha, strokeWidth);
if (mDaBox != null) {
if (android.os.Build.VERSION.SDK_INT < 16) {
mDaBox.setBackgroundDrawable(mCropDrawable);
} else {
mDaBox.setBackground(mCropDrawable);
}
}
}
public void setImageResource(Resources resources, int resId) {
this.setImageBitmap(BitmapFactory.decodeResource(getResources(), resId));
}
public Bitmap crop(Context context) throws IllegalArgumentException {
// Weird padding cause image size
int weirdSidePadding = this.getWeirdSideMargin();
int weirdVerticalPadding = this.getWeirdVerticalMargin();
FrameLayout.LayoutParams params = (LayoutParams) mDaBox.getLayoutParams();
// Getting crop dimensions
float d = context.getResources().getDisplayMetrics().density;
int x = (int)((params.leftMargin - weirdSidePadding) * d);
int y = (int)((params.topMargin - weirdVerticalPadding) * d);
int width = (int)((this.getWidth() - params.leftMargin - params.rightMargin) * d);
int height = (int)((this.getHeight() - params.topMargin - params.bottomMargin) * d);
Bitmap crooopppppppppppppppeed = Bitmap.createBitmap(mBitmap, x, y, width, height);
return crooopppppppppppppppeed;
}
private void init() {
mDraggerDrawable = this.getCircleDrawable(Color.rgb(255, 200, 0), HEIGHT_OF_DRAGGER, HEIGHT_OF_DRAGGER);
mCropDrawable = this.getCropDrawable(Color.LTGRAY, 150, Color.LTGRAY, 255, 8);
if (mImageView == null) {
mImageView = new ImageView(this.getContext());
FrameLayout.LayoutParams params = new FrameLayout.LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT);
this.addView(mImageView, params);
}
}
@Override
protected void onLayout( boolean changed, int left, int top, int right, int bottom ) {
super.onLayout(changed, left, top, right, bottom);
if (mTopLeftDragger == null) {
mTopLeftDragger = new ImageView(this.getContext());
mTopLeftDragger.setImageDrawable(mDraggerDrawable);
mTopLeftDragger.setOnTouchListener(this);
FrameLayout.LayoutParams params = new FrameLayout.LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);
params.setMargins(INITIAL_MARGIN_OF_DRAGGER, INITIAL_MARGIN_OF_DRAGGER, 0, 0);
this.addView(mTopLeftDragger, params);
}
if (mBottomRightDragger == null) {
mBottomRightDragger = new ImageView(this.getContext());
mBottomRightDragger.setImageDrawable(mDraggerDrawable);
mBottomRightDragger.setOnTouchListener(this);
int width = this.getWidth();
int height = this.getHeight();
int leftMargin = width - INITIAL_MARGIN_OF_DRAGGER - HEIGHT_OF_DRAGGER;
int topMargin = height - INITIAL_MARGIN_OF_DRAGGER - HEIGHT_OF_DRAGGER;
int rightMargin = 0;
int bottomMargin = 0;
if (mKeepSquare) {
int smallestMargin = Math.min(leftMargin, topMargin);
leftMargin = smallestMargin;
topMargin = smallestMargin;
}
FrameLayout.LayoutParams params = new FrameLayout.LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);
params.setMargins(leftMargin, topMargin, rightMargin, bottomMargin);
this.addView(mBottomRightDragger, params);
}
if (mDaBox == null) {
mDaBox = new ImageView(this.getContext());
// mDaBox.setImageDrawable(this.getCropDrawable());
if (android.os.Build.VERSION.SDK_INT < 16) {
mDaBox.setBackgroundDrawable(mCropDrawable);
} else {
mDaBox.setBackground(mCropDrawable);
}
mDaBox.setScaleType(ScaleType.MATRIX);
mDaBox.setAdjustViewBounds(true);
mDaBox.setOnTouchListener(this);
// mDaBox.setBackgroundColor(Color.WHITE);
// FrameLayout.LayoutParams paramsTopLeft = (LayoutParams) mTopLeftDragger.getLayoutParams();
// FrameLayout.LayoutParams paramsBottomRight = (LayoutParams) mBottomRightDragger.getLayoutParams();
//
// int leftMargin = (int) (paramsTopLeft.leftMargin + (HEIGHT_OF_DRAGGER/2.0));
// int topMargin = (int) (paramsTopLeft.topMargin + (HEIGHT_OF_DRAGGER/2.0));
// int rightMargin = (int) (paramsBottomRight.rightMargin + HEIGHT_OF_DRAGGER + INITIAL_MARGIN_OF_DRAGGER);
// int bottomMargin = (int) (paramsBottomRight.bottomMargin + HEIGHT_OF_DRAGGER + INITIAL_MARGIN_OF_DRAGGER);
//
FrameLayout.LayoutParams params = new FrameLayout.LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT);
// params.setMargins(leftMargin, topMargin, rightMargin, bottomMargin);
this.addView(mDaBox, 1, params);
moveCrop();
}
}
FrameLayout.LayoutParams parms;
// LinearLayout.LayoutParams par;
float dx=0,dy=0,x=0,y=0;
@Override
public boolean onTouch(View v, MotionEvent event) {
switch(event.getAction())
{
case MotionEvent.ACTION_DOWN :
{
// if (v == mTopLeftDragger || v == mBottomRightDragger) {
parms = (LayoutParams) v.getLayoutParams();
dx = event.getRawX() - parms.leftMargin;
dy = event.getRawY() - parms.topMargin;
// } else if (v == mDaBox) {
//
// }
}
break;
case MotionEvent.ACTION_MOVE :
{
x = event.getRawX();
y = event.getRawY();
if (v == mTopLeftDragger || v == mBottomRightDragger) {
int leftMargin = (int) (x-dx);
int topMargin = (int) (y - dy);
if (mKeepSquare) {
int dLeft = leftMargin - parms.leftMargin;
int dTop = topMargin - parms.topMargin;
int smallestMargin = Math.min(dLeft, dTop);
leftMargin = smallestMargin;
topMargin = smallestMargin;
parms.leftMargin += smallestMargin;
parms.topMargin += smallestMargin;
} else {
parms.leftMargin = leftMargin;
parms.topMargin = topMargin;
}
v.setLayoutParams(parms);
moveCrop();
} else if (v == mDaBox) {
int leftMargin = (int) (x-dx);
int topMargin = (int) (y - dy);
int dLeft = leftMargin - parms.leftMargin;
int dTop = topMargin - parms.topMargin;
parms.leftMargin = leftMargin;
parms.topMargin = topMargin;
parms.rightMargin -= dLeft;
parms.bottomMargin -= dTop;
v.setLayoutParams(parms);
FrameLayout.LayoutParams topLeftParams = (LayoutParams) mTopLeftDragger.getLayoutParams();
topLeftParams.leftMargin += dLeft;
topLeftParams.topMargin += dTop;
mTopLeftDragger.setLayoutParams(topLeftParams);
FrameLayout.LayoutParams bottomRightParams = (LayoutParams) mBottomRightDragger.getLayoutParams();
bottomRightParams.leftMargin += dLeft;
bottomRightParams.topMargin += dTop;
mBottomRightDragger.setLayoutParams(bottomRightParams);
}
}
break;
case MotionEvent.ACTION_UP :
{
}
break;
}
return true;
}
private void moveCrop() {
FrameLayout.LayoutParams paramsTopLeft = (LayoutParams) mTopLeftDragger.getLayoutParams();
FrameLayout.LayoutParams paramsBottomRight = (LayoutParams) mBottomRightDragger.getLayoutParams();
int width = this.getWidth();
int height = this.getHeight();
int widthOfCorner = mDraggerDrawable.getIntrinsicWidth();
int heightOfCorner = mDraggerDrawable.getIntrinsicHeight();
int leftMargin = (int) (paramsTopLeft.leftMargin + (widthOfCorner/2.0f));
int topMargin = (int) (paramsTopLeft.topMargin + (heightOfCorner/2.0f));
int rightMargin = (int) (width - paramsBottomRight.leftMargin - (widthOfCorner/2.0f));
int bottomMargin = (int) (height - paramsBottomRight.topMargin - (heightOfCorner/2.0f));
FrameLayout.LayoutParams params = (LayoutParams) mDaBox.getLayoutParams();;
params.leftMargin = leftMargin;
params.topMargin = topMargin;
params.rightMargin = rightMargin;
params.bottomMargin = bottomMargin;
mDaBox.setLayoutParams(params);
}
private Drawable getCircleDrawable(int color, int width, int height) {
ShapeDrawable biggerCircle= new ShapeDrawable( new OvalShape());
biggerCircle.setIntrinsicWidth( width);
biggerCircle.setIntrinsicHeight( height );
biggerCircle.setBounds(new Rect(0, 0, width, height));
biggerCircle.getPaint().setColor(color);
return biggerCircle;
}
private Drawable getCropDrawable(int fillColor, int fillAlpha, int strokeColor, int strokeAlpha, int strokeWidth) {
ShapeDrawable sd1 = new ShapeDrawable(new RectShape());
sd1.getPaint().setColor(strokeColor);
sd1.getPaint().setStyle(Style.STROKE);
sd1.getPaint().setStrokeWidth(strokeWidth);
sd1.setAlpha(255);
ShapeDrawable sd2 = new ShapeDrawable(new RectShape());
sd2.getPaint().setColor(fillColor);
sd2.getPaint().setStyle(Style.FILL);
sd2.setAlpha(fillAlpha);
Drawable[] layers = new Drawable[2];
layers[0] = sd1;
layers[1] = sd2;
LayerDrawable composite = new LayerDrawable(layers);
return composite;
}
private int getWeirdSideMargin() {
// Weird padding cause image size
int weirdSidePadding = 0;
// Image width / height ration
double bitmapRatio = ((double)mBitmap.getWidth() / (double)mBitmap.getHeight());
// Image width / height ration
double thisRatio = ((double)this.getWidth() / (double)this.getHeight());
// Magic math
if (bitmapRatio < thisRatio) {
int bitmapWidth = (int) (bitmapRatio * this.getHeight());
weirdSidePadding = (int) ((this.getWidth() - bitmapWidth) / 2.0);
} else {
}
return weirdSidePadding;
}
private int getWeirdVerticalMargin() {
// Weird padding cause image size
int weirdVerticalPadding = 0;
// Image width / height ration
double bitmapRatio = ((double)mBitmap.getWidth() / (double)mBitmap.getHeight());
// Image width / height ration
double thisRatio = ((double)this.getWidth() / (double)this.getHeight());
// Magic math
if (bitmapRatio < thisRatio) {
} else {
int bitmapHeight = (int) (bitmapRatio * this.getWidth());
weirdVerticalPadding = (int) ((this.getHeight() - bitmapHeight) / 2.0);
}
return weirdVerticalPadding;
}
}
