package com.mm.android.deviceaddmodule.mobilecommon.widget;
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import android.content.Context;
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import android.content.res.TypedArray;
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import android.graphics.Bitmap;
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import android.graphics.BitmapShader;
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import android.graphics.Canvas;
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import android.graphics.Color;
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import android.graphics.ColorFilter;
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import android.graphics.Matrix;
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import android.graphics.Outline;
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import android.graphics.Paint;
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import android.graphics.Rect;
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import android.graphics.RectF;
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import android.graphics.Shader;
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import android.graphics.drawable.BitmapDrawable;
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import android.graphics.drawable.ColorDrawable;
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import android.graphics.drawable.Drawable;
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import android.net.Uri;
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import android.os.Build;
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import android.support.annotation.ColorInt;
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import android.support.annotation.ColorRes;
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import android.support.annotation.DrawableRes;
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import android.support.annotation.RequiresApi;
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import android.util.AttributeSet;
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import android.view.View;
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import android.view.ViewOutlineProvider;
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import com.mm.android.deviceaddmodule.R;
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public class CircleImageView extends android.support.v7.widget.AppCompatImageView {
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private static final ScaleType SCALE_TYPE = ScaleType.CENTER_CROP;
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private static final Bitmap.Config BITMAP_CONFIG = Bitmap.Config.ARGB_8888;
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private static final int COLORDRAWABLE_DIMENSION = 2;
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private static final int DEFAULT_BORDER_WIDTH = 0;
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private static final int DEFAULT_BORDER_COLOR = Color.BLACK;
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private static final int DEFAULT_CIRCLE_BACKGROUND_COLOR = Color.TRANSPARENT;
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private static final boolean DEFAULT_BORDER_OVERLAY = false;
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private final RectF mDrawableRect = new RectF();
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private final RectF mBorderRect = new RectF();
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private final Matrix mShaderMatrix = new Matrix();
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private final Paint mBitmapPaint = new Paint();
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private final Paint mBorderPaint = new Paint();
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private final Paint mCircleBackgroundPaint = new Paint();
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private int mBorderColor = DEFAULT_BORDER_COLOR;
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private int mBorderWidth = DEFAULT_BORDER_WIDTH;
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private int mCircleBackgroundColor = DEFAULT_CIRCLE_BACKGROUND_COLOR;
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private Bitmap mBitmap;
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private BitmapShader mBitmapShader;
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private int mBitmapWidth;
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private int mBitmapHeight;
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private float mDrawableRadius;
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private float mBorderRadius;
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private ColorFilter mColorFilter;
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private boolean mReady;
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private boolean mSetupPending;
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private boolean mBorderOverlay;
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private boolean mDisableCircularTransformation;
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public CircleImageView(Context context) {
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super(context);
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init();
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}
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public CircleImageView(Context context, AttributeSet attrs) {
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this(context, attrs, 0);
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}
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public CircleImageView(Context context, AttributeSet attrs, int defStyle) {
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super(context, attrs, defStyle);
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TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.CircleImageView, defStyle, 0);
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mBorderWidth = a.getDimensionPixelSize(R.styleable.CircleImageView_civ_border_width, DEFAULT_BORDER_WIDTH);
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mBorderColor = a.getColor(R.styleable.CircleImageView_civ_border_color, DEFAULT_BORDER_COLOR);
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mBorderOverlay = a.getBoolean(R.styleable.CircleImageView_civ_border_overlay, DEFAULT_BORDER_OVERLAY);
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// Look for deprecated civ_fill_color if civ_circle_background_color is not set
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if (a.hasValue(R.styleable.CircleImageView_civ_circle_background_color)) {
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mCircleBackgroundColor = a.getColor(R.styleable.CircleImageView_civ_circle_background_color,
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DEFAULT_CIRCLE_BACKGROUND_COLOR);
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} else if (a.hasValue(R.styleable.CircleImageView_civ_fill_color)) {
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mCircleBackgroundColor = a.getColor(R.styleable.CircleImageView_civ_fill_color,
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DEFAULT_CIRCLE_BACKGROUND_COLOR);
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}
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a.recycle();
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init();
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}
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private void init() {
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super.setScaleType(SCALE_TYPE);
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mReady = true;
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
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setOutlineProvider(new OutlineProvider());
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}
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if (mSetupPending) {
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setup();
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mSetupPending = false;
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}
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}
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@Override
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public ScaleType getScaleType() {
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return SCALE_TYPE;
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}
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@Override
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public void setScaleType(ScaleType scaleType) {
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if (scaleType != SCALE_TYPE) {
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throw new IllegalArgumentException(String.format("ScaleType %s not supported.", scaleType));
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}
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}
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@Override
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public void setAdjustViewBounds(boolean adjustViewBounds) {
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if (adjustViewBounds) {
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throw new IllegalArgumentException("adjustViewBounds not supported.");
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}
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}
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@Override
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protected void onDraw(Canvas canvas) {
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if (mDisableCircularTransformation) {
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super.onDraw(canvas);
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return;
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}
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if (mBitmap == null) {
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return;
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}
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if (mCircleBackgroundColor != Color.TRANSPARENT) {
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canvas.drawCircle(mDrawableRect.centerX(), mDrawableRect.centerY(), mDrawableRadius, mCircleBackgroundPaint);
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}
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canvas.drawCircle(mDrawableRect.centerX(), mDrawableRect.centerY(), mDrawableRadius, mBitmapPaint);
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if (mBorderWidth > 0) {
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canvas.drawCircle(mBorderRect.centerX(), mBorderRect.centerY(), mBorderRadius, mBorderPaint);
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}
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}
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@Override
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protected void onSizeChanged(int w, int h, int oldw, int oldh) {
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super.onSizeChanged(w, h, oldw, oldh);
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setup();
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}
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@Override
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public void setPadding(int left, int top, int right, int bottom) {
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super.setPadding(left, top, right, bottom);
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setup();
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}
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@Override
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public void setPaddingRelative(int start, int top, int end, int bottom) {
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super.setPaddingRelative(start, top, end, bottom);
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setup();
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}
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public int getBorderColor() {
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return mBorderColor;
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}
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public void setBorderColor(@ColorInt int borderColor) {
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if (borderColor == mBorderColor) {
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return;
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}
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mBorderColor = borderColor;
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mBorderPaint.setColor(mBorderColor);
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invalidate();
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}
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@Deprecated
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public void setBorderColorResource(@ColorRes int borderColorRes) {
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setBorderColor(getContext().getResources().getColor(borderColorRes));
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}
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public int getCircleBackgroundColor() {
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return mCircleBackgroundColor;
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}
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public void setCircleBackgroundColor(@ColorInt int circleBackgroundColor) {
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if (circleBackgroundColor == mCircleBackgroundColor) {
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return;
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}
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mCircleBackgroundColor = circleBackgroundColor;
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mCircleBackgroundPaint.setColor(circleBackgroundColor);
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invalidate();
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}
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public void setCircleBackgroundColorResource(@ColorRes int circleBackgroundRes) {
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setCircleBackgroundColor(getContext().getResources().getColor(circleBackgroundRes));
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}
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/**
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* Return the color drawn behind the circle-shaped drawable.
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*
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* @return The color drawn behind the drawable
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*
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* @deprecated Use {@link #getCircleBackgroundColor()} instead.
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*/
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@Deprecated
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public int getFillColor() {
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return getCircleBackgroundColor();
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}
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/**
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* Set a color to be drawn behind the circle-shaped drawable. Note that
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* this has no effect if the drawable is opaque or no drawable is set.
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*
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* @param fillColor The color to be drawn behind the drawable
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*
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* @deprecated Use {@link #setCircleBackgroundColor(int)} instead.
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*/
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@Deprecated
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public void setFillColor(@ColorInt int fillColor) {
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setCircleBackgroundColor(fillColor);
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}
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/**
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* Set a color to be drawn behind the circle-shaped drawable. Note that
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* this has no effect if the drawable is opaque or no drawable is set.
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*
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* @param fillColorRes The color resource to be resolved to a color and
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* drawn behind the drawable
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*
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* @deprecated Use {@link #setCircleBackgroundColorResource(int)} instead.
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*/
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@Deprecated
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public void setFillColorResource(@ColorRes int fillColorRes) {
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setCircleBackgroundColorResource(fillColorRes);
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}
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public int getBorderWidth() {
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return mBorderWidth;
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}
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public void setBorderWidth(int borderWidth) {
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if (borderWidth == mBorderWidth) {
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return;
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}
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mBorderWidth = borderWidth;
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setup();
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}
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public boolean isBorderOverlay() {
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return mBorderOverlay;
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}
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public void setBorderOverlay(boolean borderOverlay) {
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if (borderOverlay == mBorderOverlay) {
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return;
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}
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mBorderOverlay = borderOverlay;
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setup();
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}
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public boolean isDisableCircularTransformation() {
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return mDisableCircularTransformation;
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}
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public void setDisableCircularTransformation(boolean disableCircularTransformation) {
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if (mDisableCircularTransformation == disableCircularTransformation) {
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return;
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}
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mDisableCircularTransformation = disableCircularTransformation;
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initializeBitmap();
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}
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@Override
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public void setImageBitmap(Bitmap bm) {
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super.setImageBitmap(bm);
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initializeBitmap();
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}
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@Override
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public void setImageDrawable(Drawable drawable) {
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super.setImageDrawable(drawable);
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initializeBitmap();
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}
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@Override
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public void setImageResource(@DrawableRes int resId) {
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super.setImageResource(resId);
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initializeBitmap();
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}
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@Override
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public void setImageURI(Uri uri) {
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super.setImageURI(uri);
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initializeBitmap();
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}
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@Override
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public void setColorFilter(ColorFilter cf) {
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if (cf == mColorFilter) {
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return;
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}
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mColorFilter = cf;
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applyColorFilter();
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invalidate();
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}
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@Override
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public ColorFilter getColorFilter() {
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return mColorFilter;
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}
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private void applyColorFilter() {
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if (mBitmapPaint != null) {
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mBitmapPaint.setColorFilter(mColorFilter);
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}
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}
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private Bitmap getBitmapFromDrawable(Drawable drawable) {
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if (drawable == null) {
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return null;
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}
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if (drawable instanceof BitmapDrawable) {
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return ((BitmapDrawable) drawable).getBitmap();
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}
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try {
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Bitmap bitmap;
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if (drawable instanceof ColorDrawable) {
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bitmap = Bitmap.createBitmap(COLORDRAWABLE_DIMENSION, COLORDRAWABLE_DIMENSION, BITMAP_CONFIG);
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} else {
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bitmap = Bitmap.createBitmap(drawable.getIntrinsicWidth(), drawable.getIntrinsicHeight(), BITMAP_CONFIG);
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}
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Canvas canvas = new Canvas(bitmap);
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drawable.setBounds(0, 0, canvas.getWidth(), canvas.getHeight());
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drawable.draw(canvas);
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return bitmap;
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} catch (Exception e) {
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e.printStackTrace();
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return null;
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}
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}
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private void initializeBitmap() {
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if (mDisableCircularTransformation) {
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mBitmap = null;
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} else {
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mBitmap = getBitmapFromDrawable(getDrawable());
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}
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setup();
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}
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private void setup() {
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if (!mReady) {
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mSetupPending = true;
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return;
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}
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if (getWidth() == 0 && getHeight() == 0) {
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return;
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}
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if (mBitmap == null) {
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invalidate();
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return;
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}
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mBitmapShader = new BitmapShader(mBitmap, Shader.TileMode.CLAMP, Shader.TileMode.CLAMP);
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mBitmapPaint.setAntiAlias(true);
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mBitmapPaint.setShader(mBitmapShader);
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mBorderPaint.setStyle(Paint.Style.STROKE);
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mBorderPaint.setAntiAlias(true);
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mBorderPaint.setColor(mBorderColor);
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mBorderPaint.setStrokeWidth(mBorderWidth);
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mCircleBackgroundPaint.setStyle(Paint.Style.FILL);
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mCircleBackgroundPaint.setAntiAlias(true);
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mCircleBackgroundPaint.setColor(mCircleBackgroundColor);
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mBitmapHeight = mBitmap.getHeight();
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mBitmapWidth = mBitmap.getWidth();
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mBorderRect.set(calculateBounds());
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mBorderRadius = Math.min((mBorderRect.height() - mBorderWidth) / 2.0f, (mBorderRect.width() - mBorderWidth) / 2.0f);
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mDrawableRect.set(mBorderRect);
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if (!mBorderOverlay && mBorderWidth > 0) {
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mDrawableRect.inset(mBorderWidth - 1.0f, mBorderWidth - 1.0f);
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}
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mDrawableRadius = Math.min(mDrawableRect.height() / 2.0f, mDrawableRect.width() / 2.0f);
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applyColorFilter();
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updateShaderMatrix();
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invalidate();
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}
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private RectF calculateBounds() {
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int availableWidth = getWidth() - getPaddingLeft() - getPaddingRight();
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int availableHeight = getHeight() - getPaddingTop() - getPaddingBottom();
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int sideLength = Math.min(availableWidth, availableHeight);
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float left = getPaddingLeft() + (availableWidth - sideLength) / 2f;
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float top = getPaddingTop() + (availableHeight - sideLength) / 2f;
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return new RectF(left, top, left + sideLength, top + sideLength);
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}
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private void updateShaderMatrix() {
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float scale;
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float dx = 0;
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float dy = 0;
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mShaderMatrix.set(null);
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if (mBitmapWidth * mDrawableRect.height() > mDrawableRect.width() * mBitmapHeight) {
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scale = mDrawableRect.height() / (float) mBitmapHeight;
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dx = (mDrawableRect.width() - mBitmapWidth * scale) * 0.5f;
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} else {
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scale = mDrawableRect.width() / (float) mBitmapWidth;
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dy = (mDrawableRect.height() - mBitmapHeight * scale) * 0.5f;
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}
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mShaderMatrix.setScale(scale, scale);
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mShaderMatrix.postTranslate((int) (dx + 0.5f) + mDrawableRect.left, (int) (dy + 0.5f) + mDrawableRect.top);
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mBitmapShader.setLocalMatrix(mShaderMatrix);
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}
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@RequiresApi(api = Build.VERSION_CODES.LOLLIPOP)
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private class OutlineProvider extends ViewOutlineProvider {
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@Override
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public void getOutline(View view, Outline outline) {
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Rect bounds = new Rect();
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mBorderRect.roundOut(bounds);
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outline.setRoundRect(bounds, bounds.width() / 2.0f);
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}
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}
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}
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