Add RoundedImageView for avatars (#739)
* Add RoundedImageView for avatars * RoundedImageView: Remove unused things, fix touchable areamain
Ivan Kupalov
6 years ago
committed by
Konrad Pozniak
parent
3b09db6cb4
commit
c2266804f0
@ -0,0 +1,332 @@ |
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package com.keylesspalace.tusky.view; |
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/* |
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* Original CircleImageView Copyright 2014 - 2018 Henning Dodenhof |
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* Adapted to RoundedImageView by charlag in 2018 |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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import android.content.Context; |
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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.DrawableRes; |
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import android.support.annotation.RequiresApi; |
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import android.support.v7.widget.AppCompatImageView; |
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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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public class RoundedImageView extends 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 float ROUNDED_PERCENT = 25; |
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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 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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public RoundedImageView(Context context) { |
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super(context); |
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init(); |
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} |
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public RoundedImageView(Context context, AttributeSet attrs) { |
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this(context, attrs, 0); |
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} |
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public RoundedImageView(Context context, AttributeSet attrs, int defStyle) { |
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super(context, attrs, defStyle); |
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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 (mBitmap == null) { |
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return; |
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} |
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if (mCircleBackgroundColor != Color.TRANSPARENT) { |
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canvas.drawRoundRect(mDrawableRect, mDrawableRadius, mDrawableRadius, |
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mCircleBackgroundPaint); |
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} |
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canvas.drawRoundRect(mDrawableRect, mDrawableRadius, mDrawableRadius, mBitmapPaint); |
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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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@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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mBitmap = getBitmapFromDrawable(getDrawable()); |
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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(DEFAULT_BORDER_COLOR); |
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mBorderPaint.setStrokeWidth(DEFAULT_BORDER_WIDTH); |
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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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float shorterSideBorder = Math.min(mBorderRect.width(), mBorderRect.height()); |
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mBorderRadius = shorterSideBorder / 2 * ROUNDED_PERCENT / 100; |
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mDrawableRect.set(mBorderRect); |
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float shorterSide = Math.min(mDrawableRect.width(), mDrawableRect.height()); |
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mDrawableRadius = shorterSide / 2 * ROUNDED_PERCENT / 100; |
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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, mBorderRadius); |
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} |
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} |
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} |
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