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/*
* Copyright (C) 2014 Andrew Comminos
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package se.lublin.mumla.drawable;
import android.content.res.Resources;
import android.graphics.Bitmap;
import android.graphics.BitmapShader;
import android.graphics.Canvas;
import android.graphics.ColorFilter;
import android.graphics.Matrix;
import android.graphics.Paint;
import android.graphics.PixelFormat;
import android.graphics.Rect;
import android.graphics.RectF;
import android.graphics.Shader;
import android.graphics.drawable.Drawable;
import android.util.TypedValue;
import se.lublin.mumla.R;
/**
* A drawable containing a circular bitmap in the style of @drawable/outline_circle_talking_off.
* Created by andrew on 19/10/14.
*/
public class CircleDrawable extends Drawable {
public static final int STROKE_WIDTH_DP = 1;
private Resources mResources;
private Bitmap mBitmap;
private Paint mPaint;
private Paint mStrokePaint;
private ConstantState mConstantState;
public CircleDrawable(Resources resources, Bitmap bitmap) {
mResources = resources;
mBitmap = bitmap;
mPaint = new Paint();
mPaint.setShader(new BitmapShader(bitmap, Shader.TileMode.CLAMP, Shader.TileMode.CLAMP));
mPaint.setDither(true);
mPaint.setAntiAlias(true);
mStrokePaint = new Paint();
mStrokePaint.setDither(true);
mStrokePaint.setAntiAlias(true);
mStrokePaint.setColor(resources.getColor(R.color.ripple_talk_state_disabled));
float strokeWidth = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP,
STROKE_WIDTH_DP, resources.getDisplayMetrics());
mStrokePaint.setStrokeWidth(strokeWidth);
mStrokePaint.setStyle(Paint.Style.STROKE);
mConstantState = new ConstantState() {
@Override
public Drawable newDrawable() {
return new CircleDrawable(mResources, mBitmap);
}
@Override
public int getChangingConfigurations() {
return 0;
}
};
}
@Override
protected void onBoundsChange(Rect bounds) {
super.onBoundsChange(bounds);
RectF bitmapRect = new RectF(0, 0, mBitmap.getWidth(), mBitmap.getHeight());
Matrix matrix = new Matrix();
matrix.setRectToRect(bitmapRect, new RectF(bounds), Matrix.ScaleToFit.CENTER);
mPaint.getShader().setLocalMatrix(matrix);
}
@Override
public void draw(Canvas canvas) {
RectF imageRect = new RectF(getBounds());
RectF strokeRect = new RectF(getBounds());
// Default stroke drawing is both inset and outset.
strokeRect.inset(mStrokePaint.getStrokeWidth()/2,
mStrokePaint.getStrokeWidth()/2);
canvas.drawOval(imageRect, mPaint);
canvas.drawOval(strokeRect, mStrokePaint);
}
@Override
public void setAlpha(int alpha) {
}
@Override
public void setColorFilter(ColorFilter cf) {
}
@Override
public int getOpacity() {
return PixelFormat.UNKNOWN;
}
@Override
public ConstantState getConstantState() {
return mConstantState;
}
}
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