326 lines
9.5 KiB
Java
326 lines
9.5 KiB
Java
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 androidx.annotation.DrawableRes;
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import androidx.appcompat.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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setOutlineProvider(new OutlineProvider());
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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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mBitmapPaint.setColorFilter(mColorFilter);
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}
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private static 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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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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