Android Diary日记系统.zip

package com.lzy.imagepicker.view; import android.content.Context; import android.content.res.TypedArray; import android.graphics.Bitmap; import android.graphics.BitmapShader; import android.graphics.Canvas; import android.graphics.Matrix; import android.graphics.Paint; import android.graphics.Path; import android.graphics.PointF; import android.graphics.RectF; import android.graphics.Region; import android.graphics.Shader; import android.graphics.drawable.BitmapDrawable; import android.graphics.drawable.Drawable; import android.net.Uri; import android.os.Handler; import android.os.Looper; import android.os.Message; import android.support.v4.view.ViewCompat; import android.support.v7.widget.AppCompatImageView; import android.util.AttributeSet; import android.util.TypedValue; import android.view.MotionEvent; import com.lzy.imagepicker.R; import java.io.File; import java.io.IOException; import java.io.OutputStream; import java.text.SimpleDateFormat; import java.util.Date; import java.util.Locale; /** * ================================================ * 作 者：廖子尧 * 版 本：1.0 * 创建日期：2016/1/7 * 描 述： * Matrix 的9个值分别为 缩放 平移 倾斜 * MSCALE_X MSKEW_X MTRANS_X * MSKEW_Y MSCALE_Y MTRANS_Y * MPERSP_0 MPERSP_1 MPERSP_2 * 修订历史： * ================================================ */ public class CropImageView extends AppCompatImageView { /******************************** 中间的FocusView绘图相关的参数 *****************************/ public enum Style { RECTANGLE, CIRCLE } private Style[] styles = {Style.RECTANGLE, Style.CIRCLE}; private int mMaskColor = 0xAF000000; //暗色 private int mBorderColor = 0xAA808080; //焦点框的边框颜色 private int mBorderWidth = 1; //焦点边框的宽度（画笔宽度） private int mFocusWidth = 250; //焦点框的宽度 private int mFocusHeight = 250; //焦点框的高度 private int mDefaultStyleIndex = 0; //默认焦点框的形状 private Style mStyle = styles[mDefaultStyleIndex]; private Paint mBorderPaint = new Paint(); private Path mFocusPath = new Path(); private RectF mFocusRect = new RectF(); /******************************** 图片缩放位移控制的参数 ************************************/ private static final float MAX_SCALE = 4.0f; //最大缩放比，图片缩放后的大小与中间选中区域的比值 private static final int NONE = 0; // 初始化 private static final int DRAG = 1; // 拖拽 private static final int ZOOM = 2; // 缩放 private static final int ROTATE = 3; // 旋转 private static final int ZOOM_OR_ROTATE = 4; // 缩放或旋转 private static final int SAVE_SUCCESS = 1001; // 缩放或旋转 private static final int SAVE_ERROR = 1002; // 缩放或旋转 private int mImageWidth; private int mImageHeight; private int mRotatedImageWidth; private int mRotatedImageHeight; private Matrix matrix = new Matrix(); //图片变换的matrix private Matrix savedMatrix = new Matrix(); //开始变幻的时候，图片的matrix private PointF pA = new PointF(); //第一个手指按下点的坐标 private PointF pB = new PointF(); //第二个手指按下点的坐标 private PointF midPoint = new PointF(); //两个手指的中间点 private PointF doubleClickPos = new PointF(); //双击图片的时候，双击点的坐标 private PointF mFocusMidPoint = new PointF(); //中间View的中间点 private int mode = NONE; //初始的模式 private long doubleClickTime = 0; //第二次双击的时间 private double rotation = 0; //手指旋转的角度，不是90的整数倍，可能为任意值，需要转换成level private float oldDist = 1; //双指第一次的距离 private int sumRotateLevel = 0; //旋转的角度，90的整数倍 private float mMaxScale = MAX_SCALE;//程序根据不同图片的大小，动态得到的最大缩放比 private boolean isInited = false; //是否经过了 onSizeChanged 初始化 private boolean mSaving = false; //是否正在保存 private static Handler mHandler = new InnerHandler(); public CropImageView(Context context) { this(context, null); } public CropImageView(Context context, AttributeSet attrs) { this(context, attrs, 0); } public CropImageView(Context context, AttributeSet attrs, int defStyle) { super(context, attrs, defStyle); mFocusWidth = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, mFocusWidth, getResources().getDisplayMetrics()); mFocusHeight = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, mFocusHeight, getResources().getDisplayMetrics()); mBorderWidth = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, mBorderWidth, getResources().getDisplayMetrics()); TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.CropImageView); mMaskColor = a.getColor(R.styleable.CropImageView_cropMaskColor, mMaskColor); mBorderColor = a.getColor(R.styleable.CropImageView_cropBorderColor, mBorderColor); mBorderWidth = a.getDimensionPixelSize(R.styleable.CropImageView_cropBorderWidth, mBorderWidth); mFocusWidth = a.getDimensionPixelSize(R.styleable.CropImageView_cropFocusWidth, mFocusWidth); mFocusHeight = a.getDimensionPixelSize(R.styleable.CropImageView_cropFocusHeight, mFocusHeight); mDefaultStyleIndex = a.getInteger(R.styleable.CropImageView_cropStyle, mDefaultStyleIndex); mStyle = styles[mDefaultStyleIndex]; a.recycle(); //只允许图片为当前的缩放模式 setScaleType(ScaleType.MATRIX); } @Override public void setImageBitmap(Bitmap bm) { super.setImageBitmap(bm); initImage(); } @Override public void setImageDrawable(Drawable drawable) { super.setImageDrawable(drawable); initImage(); } @Override public void setImageResource(int resId) { super.setImageResource(resId); initImage(); } @Override public void setImageURI(Uri uri) { super.setImageURI(uri); initImage(); } @Override protected void onSizeChanged(int w, int h, int oldw, int oldh) { super.onSizeChanged(w, h, oldw, oldh); isInited = true; initImage(); } /** 初始化图片和焦点框 */ private void initImage() { Drawable d = getDrawable(); if (!isInited || d == null) return; mode = NONE; matrix = getImageMatrix(); mImageWidth = mRotatedImageWidth = d.getIntrinsicWidth(); mImageHeight = mRotatedImageHeight = d.getIntrinsicHeight(); //计算出焦点框的中点的坐标和上、下、左、右边的x或y的值 int viewWidth = getWidth(); int viewHeight = getHeight(); float midPointX = viewWidth / 2; float midPointY = viewHeight / 2; mFocusMidPoint = new PointF(midPointX, midPointY); if (mStyle == Style.CIRCLE) { int focusSize = Math.min(mFocusWidth, mFocusHeight); mFocusWidth = focusSize; mFocusHeight = focusSize; } mFocusRect.left = mFocusMidPoint.x - mFocusWidth / 2; mFocusRect.right = mFocusMidPoint.x + mFocusWidth / 2; mFocusRect.top = mFocusMidPoint.y - mFocusHeight / 2; mFocusRect.bottom = mFocusMidPoint.y + mFocusHeight / 2; //适配焦点框的缩放比例（图片的最小边不小于焦点框的最小边） float fitFocusScale = getScale(mImageWidth, mImageHeight, mFocusWidth, mFocusHeight, true); mMaxScale = fitFocusScale * MAX_SCALE; //适配显示图片的ImageView的缩放比例（图片至少有一边是铺满屏幕的显示的情形）