团队博客

 public static final int SELECT_PIC_BY_TACK_PHOTO = 1;//拍照获取
    public static final int SELECT_PIC_BY_PICK_PHOTO = 2;//相册图片
    //按钮们
    private Button btn_take_photo;
    private Button btn_pick_photo;
    private Button btn_cancel;
    /** 获取到的图片路径 */
    private String picPath;
    private Intent lastIntent;
    private Uri photoUri;
    /** 从Intent获取图片路径的KEY */
    public static final String KEY_PHOTO_PATH = "photo_path";
    private Bitmap bitmap;
    private ImageView mImageView;

    public int wxat;
        //剪裁
        mView = (CropImageView) findViewById(R.id.cropimage);
        //设置资源和默认长宽
        Drawable drawable = new BitmapDrawable(bitmap);
        mView.setDrawable(drawable, 300,
                300);
        //调用该方法得到剪裁好的图片
        Bitmap mBitmap= mView.getCropImage();
package com.spring.sky.image.upload;

import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.ColorFilter;
import android.graphics.Paint;
import android.graphics.Rect;
import android.graphics.drawable.Drawable;

public class FloatDrawable extends Drawable {

    private Context mContext;
    private int offset = 50;
    private Paint mLinePaint = new Paint();
    private Paint mLinePaint2 = new Paint();
    {
        mLinePaint.setARGB(200, 50, 50, 50);
        mLinePaint.setStrokeWidth(1F);
        mLinePaint.setStyle(Paint.Style.STROKE);
        mLinePaint.setAntiAlias(true);
        mLinePaint.setColor(Color.WHITE);
        //
        mLinePaint2.setARGB(200, 50, 50, 50);
        mLinePaint2.setStrokeWidth(7F);
        mLinePaint2.setStyle(Paint.Style.STROKE);
        mLinePaint2.setAntiAlias(true);
        mLinePaint2.setColor(Color.WHITE);
    }

    public FloatDrawable(Context context) {
        super();
        this.mContext = context;

    }

    public int getBorderWidth() {
        return dipTopx(mContext, offset);//根据dip计算的像素值,做适配用的
    }

    public int getBorderHeight() {
        return dipTopx(mContext, offset);
    }

    @Override
    public void draw(Canvas canvas) {

        int left = getBounds().left;
        int top = getBounds().top;
        int right = getBounds().right;
        int bottom = getBounds().bottom;

        Rect mRect = new Rect(left + dipTopx(mContext, offset) / 2, top
                + dipTopx(mContext, offset) / 2, right
                - dipTopx(mContext, offset) / 2, bottom
                - dipTopx(mContext, offset) / 2);
        //画默认的选择框
        canvas.drawRect(mRect, mLinePaint);
        //画四个角的四个粗拐角、也就是八条粗线
        canvas.drawLine((left + dipTopx(mContext, offset) / 2 - 3.5f), top
                        + dipTopx(mContext, offset) / 2,
                left + dipTopx(mContext, offset) - 8f,
                top + dipTopx(mContext, offset) / 2, mLinePaint2);
        canvas.drawLine(left + dipTopx(mContext, offset) / 2,
                top + dipTopx(mContext, offset) / 2,
                left + dipTopx(mContext, offset) / 2,
                top + dipTopx(mContext, offset) / 2 + 30, mLinePaint2);
        canvas.drawLine(right - dipTopx(mContext, offset) + 8f,
                top + dipTopx(mContext, offset) / 2,
                right - dipTopx(mContext, offset) / 2,
                top + dipTopx(mContext, offset) / 2, mLinePaint2);
        canvas.drawLine(right - dipTopx(mContext, offset) / 2,
                top + dipTopx(mContext, offset) / 2 - 3.5f,
                right - dipTopx(mContext, offset) / 2,
                top + dipTopx(mContext, offset) / 2 + 30, mLinePaint2);
        canvas.drawLine((left + dipTopx(mContext, offset) / 2 - 3.5f), bottom
                        - dipTopx(mContext, offset) / 2,
                left + dipTopx(mContext, offset) - 8f,
                bottom - dipTopx(mContext, offset) / 2, mLinePaint2);
        canvas.drawLine((left + dipTopx(mContext, offset) / 2), bottom
                        - dipTopx(mContext, offset) / 2,
                (left + dipTopx(mContext, offset) / 2),
                bottom - dipTopx(mContext, offset) / 2 - 30f, mLinePaint2);
        canvas.drawLine((right - dipTopx(mContext, offset) + 8f), bottom
                        - dipTopx(mContext, offset) / 2,
                right - dipTopx(mContext, offset) / 2,
                bottom - dipTopx(mContext, offset) / 2, mLinePaint2);
        canvas.drawLine((right - dipTopx(mContext, offset) / 2), bottom
                        - dipTopx(mContext, offset) / 2 - 30f,
                right - dipTopx(mContext, offset) / 2,
                bottom - dipTopx(mContext, offset) / 2 + 3.5f, mLinePaint2);

    }

    @Override
    public void setBounds(Rect bounds) {
        super.setBounds(new Rect(bounds.left - dipTopx(mContext, offset) / 2,
                bounds.top - dipTopx(mContext, offset) / 2, bounds.right
                + dipTopx(mContext, offset) / 2, bounds.bottom
                + dipTopx(mContext, offset) / 2));
    }

    @Override
    public void setAlpha(int alpha) {

    }

    @Override
    public void setColorFilter(ColorFilter cf) {

    }

    @Override
    public int getOpacity() {
        return 0;
    }

    public int dipTopx(Context context, float dpValue) {
        final float scale = context.getResources().getDisplayMetrics().density;
        return (int) (dpValue * scale + 0.5f);
    }

}
原文地址:https://www.cnblogs.com/hfy717/p/14868835.html