android 上传头像工具类,android 圆角头像工具类
看看相关文章, [支持圆形、圆角矩形、带边框的自定View]:https://github.com/msandroid/MultiShapeView
import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.Bitmap;
import android.graphics.BitmapShader;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Matrix;
import android.graphics.Paint;
import android.graphics.PorterDuff;
import android.graphics.PorterDuffColorFilter;
import android.graphics.RectF;
import android.graphics.Shader;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.ColorDrawable;
import android.graphics.drawable.Drawable;
import android.util.AttributeSet;
import android.util.Log;
import android.view.MotionEvent;
import android.view.View;
/**
* 支持常见的圆形,圆角矩形及其他图形
*
* 支持边框
*
* 支持按下态
*
* Created by debugCat on 2017/4/16.
*/
public class MultiShapeView extends View {
private Context mContext;
/**
* 显示图片
*/
private Bitmap mBitmap;
/**
* Bitmap Paint
*/
private Paint mBitmapPaint;
/**
* 边框 Paint
*/
private Paint mBorderPaint;
/**
* 当前是否被按下
*/
private boolean mIsPressed;
private Shader mBitmapShader;
/**
* 变换矩阵
*/
private Matrix mShaderMatrix;
/**
* 形状
*/
private int mShape;
/**
* Rect Bitmap
*/
private RectF mRcBitmap;
/**
* Rect Border
*/
private RectF mRcBorder;
/**
* 圆角半径
*/
private float mRoundRadius;
/**
* 边框半径
*/
private float mBorderRadius;
/**
* 图片半径
*/
private float mCircleRadius;
/**
* 边框color
*/
private int mBorderColor;
/**
* 边框大小
*/
private int mBorderWidth;
/**
* 按下态蒙层color
*/
private int mCoverColor;
/**
* 默认BorderWidth
*/
private static final int DEFAULT_BORDER_WIDTH = 0;
/**
* 默认BorderColor
*/
private static final int DEFAULT_BORDER_COLOR = Color.TRANSPARENT;
/**
* 默认按下态蒙层Color
*/
private static final int DEFAULT_COVER_COLOR = Color.parseColor("#40333333");
/**
* 默认圆角半径
*/
private static final int DEFAULT_ROUND_RADIUS = 0;
/**
* 默认形状
*/
public static final int SHAPE_REC = 1; // 矩形
public static final int SHAPE_CIRCLE = 2; // 圆形
public MultiShapeView(Context context) {
this(context, null);
}
public MultiShapeView(Context context, AttributeSet attrs) {
this(context, attrs, 0);
}
public MultiShapeView(Context context, AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
TypedArray typedArray = context.obtainStyledAttributes(attrs, R.styleable.MultiShapeView, defStyleAttr, 0);
mContext = context;
mBorderColor = typedArray.getColor(R.styleable.MultiShapeView_border_color, DEFAULT_BORDER_COLOR);
mCoverColor = typedArray.getColor(R.styleable.MultiShapeView_cover_color, DEFAULT_COVER_COLOR);
mBorderWidth = typedArray.getDimensionPixelSize(R.styleable.MultiShapeView_border_width, DEFAULT_BORDER_WIDTH);
mShape = typedArray.getInteger(R.styleable.MultiShapeView_shape, SHAPE_REC);
mRoundRadius = typedArray.getDimensionPixelSize(R.styleable.MultiShapeView_round_radius, DEFAULT_ROUND_RADIUS);
typedArray.recycle();
init();
}
private void init() {
mBitmapPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
mBorderPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
mBorderPaint.setStyle(Paint.Style.STROKE);
mBorderPaint.setColor(mBorderColor);
mBorderPaint.setStrokeWidth(mBorderWidth);
mRcBitmap = new RectF();
mRcBorder = new RectF();
mShaderMatrix = new Matrix();
}
public void setImageBitmap(Bitmap bitmap) {
mBitmap = bitmap;
preDraw();
}
public void setImageDrawable(Drawable drawable) {
mBitmap = getBitmapFromDrawable(drawable);
preDraw();
}
public void setImageResource(int resId) {
if (resId != 0) {
try {
mBitmap = getBitmapFromDrawable(mContext.getResources().getDrawable(resId));
} catch (Exception e) {
Log.w("MultiShapeView", "Unable to find resource: " + resId, e);
}
}
preDraw();
}
private Bitmap getBitmapFromDrawable(Drawable drawable) {
if (drawable == null) {
return null;
}
if (drawable instanceof BitmapDrawable) {
return ((BitmapDrawable) drawable).getBitmap();
}
try {
Bitmap bitmap;
if (drawable instanceof ColorDrawable) {
bitmap = Bitmap.createBitmap(1, 1, Bitmap.Config.ARGB_8888);
} else {
bitmap = Bitmap.createBitmap(drawable.getIntrinsicWidth(), drawable.getIntrinsicHeight(), Bitmap.Config.ARGB_8888);
}
Canvas canvas = new Canvas(bitmap);
drawable.setBounds(0, 0, canvas.getWidth(), canvas.getHeight());
drawable.draw(canvas);
return bitmap;
} catch (OutOfMemoryError e) {
return null;
}
}
/**
* 初始化基本参数
*/
private void preDraw() {
if (mBitmap == null) {
return;
}
mBitmapShader = new BitmapShader(mBitmap, Shader.TileMode.CLAMP, Shader.TileMode.CLAMP);
mBitmapPaint.setShader(mBitmapShader);
mRcBorder.set(0, 0, getWidth(), getHeight());
mBorderRadius = Math.min((mRcBorder.height() - mBorderWidth) / 2, (mRcBorder.width() - mBorderWidth) / 2);
//!!!注意,圆角矩形边框注意位置,否则边框和矩形之间会露出空白
if (mShape == SHAPE_CIRCLE) {
mRcBitmap.set(mBorderWidth, mBorderWidth, mRcBorder.width() - mBorderWidth, mRcBorder.height() - mBorderWidth);
} else if (mShape == SHAPE_REC) {
mRcBitmap.set(mBorderWidth/2, mBorderWidth/2, mRcBorder.width() - mBorderWidth/2, mRcBorder.height() - mBorderWidth/2);
}
mCircleRadius = Math.min(mRcBitmap.height() / 2, mRcBitmap.width() / 2);
updateShaderMatrix();
invalidate();
}
/**
* 伸缩变换
*/
private void updateShaderMatrix() {
float scale;
float dx = 0;
float dy = 0;
mShaderMatrix.set(null);
if (mBitmap.getWidth() * mRcBitmap.height() > mRcBitmap.width() * mBitmap.getHeight()) {
scale = mRcBitmap.height() / (float) mBitmap.getHeight();
dx = (mRcBitmap.width() - mBitmap.getWidth() * scale) * 0.5f;
} else {
scale = mRcBitmap.width() / (float) mBitmap.getWidth();
dy = (mRcBitmap.height() - mBitmap.getHeight() * scale) * 0.5f;
}
mShaderMatrix.setScale(scale, scale);
mShaderMatrix.postTranslate((int) (dx + 0.5f) + mBorderWidth, (int) (dy + 0.5f) + mBorderWidth);
mBitmapShader.setLocalMatrix(mShaderMatrix);
}
@Override
protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
super.onLayout(changed, left, top, right, bottom);
preDraw();
}
@Override
protected void onSizeChanged(int w, int h, int oldw, int oldh) {
super.onSizeChanged(w, h, oldw, oldh);
preDraw();
}
@Override
protected void onDraw(Canvas canvas) {
if (mBitmap != null) {
if (mShape == SHAPE_CIRCLE) {
canvas.drawCircle(getWidth() / 2, getHeight() / 2, mCircleRadius, mBitmapPaint);
canvas.drawCircle(getWidth() / 2, getHeight() / 2, mBorderRadius, mBorderPaint);
} else if (mShape == SHAPE_REC) {
canvas.drawRoundRect(mRcBitmap, mRoundRadius, mRoundRadius, mBitmapPaint);
canvas.drawRoundRect(mRcBorder, mRoundRadius, mRoundRadius, mBorderPaint);
}
}
}
@Override
public void setPressed(boolean pressed) {
super.setPressed(pressed);
if (mIsPressed == pressed) {
return;
}
mIsPressed = pressed;
if (mIsPressed) {
mBitmapPaint.setColorFilter(new PorterDuffColorFilter(mCoverColor, PorterDuff.Mode.SRC_ATOP));
} else {
mBitmapPaint.setColorFilter(null);
}
invalidate();
}
@Override
public boolean onTouchEvent(MotionEvent event) {
int action = event.getActionMasked();
switch (action) {
case MotionEvent.ACTION_DOWN:
setPressed(true);
break;
case MotionEvent.ACTION_MOVE:
if (!mRcBitmap.contains(event.getX(), event.getY())){
setPressed(false);
}
break;
case MotionEvent.ACTION_UP:
case MotionEvent.ACTION_CANCEL:
setPressed(false);
break;
}
return true;
}
//-----------------------------------------------getter/setter------------------------------
public int getBorderColor() {
return mBorderColor;
}
public void setBorderColor(int borderColor) {
if (borderColor == mBorderColor) {
return;
}
mBorderColor = borderColor;
invalidate();
}
public int getBorderWidth() {
return mBorderWidth;
}
public void setBorderWidth(int borderWidth) {
if (borderWidth == mBorderWidth) {
return;
}
mBorderWidth = borderWidth;
preDraw();
}
public int getCoverColor() {
return mCoverColor;
}
public void setCoverColor(int coverColor) {
if (coverColor == mCoverColor) {
return;
}
mCoverColor = coverColor;
}
public int getShape() {
return mShape;
}
public void setShape(int shape) {
mShape = shape;
preDraw();
}
public float getRoundRadius() {
return mRoundRadius;
}
public void setRoundRadius(float roundRadius) {
mRoundRadius = roundRadius;
preDraw();
}
}
布局 可以设置图片大小 角度 和边框。
Activity中设置图片
mIvCircleOne = (MultiShapeView) findViewById(R.id.iv_circle_one);
mIvCircleTwo = (MultiShapeView) findViewById(R.id.iv_circle_two);
mIvRound = (MultiShapeView) findViewById(R.id.iv_round);
mIvCircleOne.setImageResource(R.drawable.a123);
mIvCircleTwo.setImageResource(R.drawable.a123);
mIvRound.setImageDrawable(getResources().getDrawable(R.drawable.a123));
在values中添加attrs.xml
完成。
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