ImageAdapter.java
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package com.hjx.parent.adapter;
import android.content.Context;
import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Rect;
import android.graphics.RectF;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.RelativeLayout;
import androidx.annotation.NonNull;
import androidx.recyclerview.widget.RecyclerView;
import com.google.gson.Gson;
import com.hjx.parent.ImageActivity;
import com.hjx.parent.ImageSelectActivity;
import com.hjx.parent.R;
import com.hjx.parent.databinding.ItemImageBinding;
import com.prws.common.bean.ImageBean;
import com.prws.common.utils.CommonUtil;
import java.util.List;
public class ImageAdapter extends RecyclerView.Adapter<ImageAdapter.ImageHolder> {
private List<ImageBean> list;
private ImageActivity context;
public ImageAdapter(ImageActivity context, List<ImageBean> list) {
this.context = context;
this.list = list;
}
@NonNull
@Override
public ImageHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
ItemImageBinding itemImageBinding = ItemImageBinding.inflate(LayoutInflater.from(parent.getContext()), parent, false);
return new ImageHolder(itemImageBinding);
}
@Override
public void onBindViewHolder(@NonNull ImageHolder holder, int position) {
ImageBean imageBean = list.get(position);
Bitmap bitmap = BitmapFactory.decodeFile(imageBean.getPath());
float imageHeight = bitmap.getHeight();
float imageWidth = bitmap.getWidth();
float viewHeight = CommonUtil.getScreenHeight(context) - CommonUtil.dpToPx(context, 250);
float viewWidth = CommonUtil.getScreenWidth(context) - CommonUtil.dpToPx(context, 60);
RelativeLayout.LayoutParams layoutParams = new RelativeLayout.LayoutParams(holder.binding.ivPic.getLayoutParams());
if (imageHeight / imageWidth > viewHeight / viewWidth) {
if (viewHeight > imageHeight) {
layoutParams.height = (int) imageHeight;
layoutParams.width = (int) imageWidth;
} else {
layoutParams.height = (int) viewHeight;
layoutParams.width = (int) ((float) (imageWidth / imageHeight) * viewHeight);
}
} else {
if (viewWidth > imageWidth) {
layoutParams.height = (int) imageHeight;
layoutParams.width = (int) imageWidth;
} else {
layoutParams.height = (int) ((float) (imageHeight / imageWidth) * viewWidth);
layoutParams.width = (int) viewWidth;
}
}
layoutParams.addRule(RelativeLayout.CENTER_IN_PARENT);
holder.binding.ivPic.setLayoutParams(layoutParams);
holder.binding.ivPic.setImageBitmap(bitmap);
RelativeLayout.LayoutParams layoutParams1 = new RelativeLayout.LayoutParams(holder.binding.rlPic.getLayoutParams());
if (imageHeight / imageWidth > viewHeight / viewWidth) {
if (viewHeight > imageHeight) {
layoutParams1.height = (int) imageHeight;
layoutParams1.width = (int) imageWidth;
} else {
layoutParams1.height = (int) viewHeight;
layoutParams1.width = (int) ((float) (imageWidth / imageHeight) * viewHeight);
}
} else {
if (viewWidth > imageWidth) {
layoutParams1.height = (int) imageHeight;
layoutParams1.width = (int) imageWidth;
} else {
layoutParams1.height = (int) ((float) (imageHeight / imageWidth) * viewWidth);
layoutParams1.width = (int) viewWidth;
}
}
Log.i("figLoaction", "height=" + layoutParams1.height + " width=" + layoutParams1.width);
layoutParams1.addRule(RelativeLayout.CENTER_IN_PARENT);
holder.binding.rlPic.setLayoutParams(layoutParams1);
if (imageBean.getCuts() != null && imageBean.getCuts().size() > 0) {
holder.binding.rlPic.removeAllViews();
for (int i = 0; i < imageBean.getCuts().size(); i++) {
View view = LayoutInflater.from(context).inflate(R.layout.layout_select, null);
Rect rect;
if (imageBean.getCuts().get(i).getRect1() != null) {
rect = imageBean.getCuts().get(i).getRect1();
} else {
rect = CommonUtil.getRect(imageBean.getCuts().get(i).getRect(), bitmap, layoutParams1.height, layoutParams1.width);
imageBean.getCuts().get(i).setRect1(rect);
}
Log.i("figLoaction", new Gson().toJson(rect));
RelativeLayout.LayoutParams params = new RelativeLayout.LayoutParams(rect.right - rect.left, rect.bottom - rect.top);
params.setMargins(rect.left, rect.top, 0, 0);
holder.binding.rlPic.addView(view, params);
RelativeLayout rl_add = view.findViewById(R.id.rl_add);
ImageView iv_state = view.findViewById(R.id.iv_state);
ImageView iv_edit = view.findViewById(R.id.iv_edit);
int finalI = i;
if (imageBean.getCuts().get(i).isSelect()) {
rl_add.setBackgroundResource(R.drawable.bg_cut_select);
iv_state.setImageResource(R.mipmap.ic_selected);
} else {
rl_add.setBackgroundResource(R.drawable.bg_cut_unselect);
iv_state.setImageResource(R.mipmap.ic_add);
}
rl_add.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Bitmap b = Bitmap.createBitmap(bitmap, v.getLeft() * bitmap.getWidth() / holder.binding.ivPic.getWidth(), v.getTop() * bitmap.getHeight() / holder.binding.ivPic.getHeight(), (v.getRight() - v.getLeft()) * bitmap.getWidth() / holder.binding.ivPic.getWidth(), (v.getBottom() - v.getTop()) * bitmap.getHeight() / holder.binding.ivPic.getHeight());
if (imageBean.getCuts().get(finalI).isSelect()) {
imageBean.getCuts().get(finalI).setSelect(false);
rl_add.setBackgroundResource(R.drawable.bg_cut_unselect);
iv_state.setImageResource(R.mipmap.ic_add);
} else {
imageBean.getCuts().get(finalI).setSelect(true);
imageBean.getCuts().get(finalI).setBitmap(b);
rl_add.setBackgroundResource(R.drawable.bg_cut_select);
iv_state.setImageResource(R.mipmap.ic_selected);
}
context.refreshNum();
}
});
iv_edit.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Intent intent = new Intent(context, ImageSelectActivity.class);
intent.putExtra("rect", rect);
intent.putExtra("path", imageBean.getPath());
intent.putExtra("position", finalI);
context.startActivityForResult(intent, 1001);
}
});
}
} else {
holder.binding.rlPic.removeAllViews();
}
}
@Override
public int getItemCount() {
return list.size();
}
static class ImageHolder extends RecyclerView.ViewHolder {
ItemImageBinding binding;
public ImageHolder(@NonNull ItemImageBinding itemView) {
super(itemView.getRoot());
binding = itemView;
}
}
}