| /* |
| * Copyright (C) 2004-2014 Savoir-Faire Linux Inc. |
| * |
| * Author: Alexandre Lision <alexandre.lision@savoirfairelinux.com> |
| * |
| * 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, write to the Free Software |
| * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| * |
| * Additional permission under GNU GPL version 3 section 7: |
| * |
| * If you modify this program, or any covered work, by linking or |
| * combining it with the OpenSSL project's OpenSSL library (or a |
| * modified version of that library), containing parts covered by the |
| * terms of the OpenSSL or SSLeay licenses, Savoir-Faire Linux Inc. |
| * grants you additional permission to convey the resulting work. |
| * Corresponding Source for a non-source form of such a combination |
| * shall include the source code for the parts of OpenSSL used as well |
| * as that of the covered work. |
| */ |
| |
| package org.sflphone.views; |
| |
| import android.annotation.SuppressLint; |
| import android.content.Context; |
| import android.graphics.Bitmap; |
| import android.graphics.BitmapShader; |
| import android.graphics.Canvas; |
| import android.graphics.Color; |
| import android.graphics.Paint; |
| import android.graphics.Shader; |
| import android.graphics.drawable.BitmapDrawable; |
| import android.util.AttributeSet; |
| import android.widget.ImageView; |
| |
| public class CircularImageView extends ImageView |
| { |
| private int borderWidth = 4; |
| private int viewWidth; |
| private int viewHeight; |
| private Bitmap image; |
| private Paint paint; |
| private Paint paintBorder; |
| private BitmapShader shader; |
| |
| public CircularImageView(Context context) |
| { |
| super(context); |
| setup(); |
| } |
| |
| public CircularImageView(Context context, AttributeSet attrs) |
| { |
| super(context, attrs); |
| setup(); |
| } |
| |
| public CircularImageView(Context context, AttributeSet attrs, int defStyle) |
| { |
| super(context, attrs, defStyle); |
| setup(); |
| } |
| |
| private void setup() |
| { |
| // init paint |
| paint = new Paint(); |
| paint.setAntiAlias(true); |
| |
| paintBorder = new Paint(); |
| setBorderColor(Color.WHITE); |
| paintBorder.setAntiAlias(true); |
| this.setLayerType(LAYER_TYPE_SOFTWARE, paintBorder); |
| paintBorder.setShadowLayer(4.0f, 0.0f, 2.0f, Color.BLACK); |
| } |
| |
| public void setBorderWidth(int borderWidth) |
| { |
| this.borderWidth = borderWidth; |
| this.invalidate(); |
| } |
| |
| public void setBorderColor(int borderColor) |
| { |
| if (paintBorder != null) |
| paintBorder.setColor(borderColor); |
| |
| this.invalidate(); |
| } |
| |
| private void loadBitmap() |
| { |
| BitmapDrawable bitmapDrawable = (BitmapDrawable) this.getDrawable(); |
| |
| if (bitmapDrawable != null) |
| image = bitmapDrawable.getBitmap(); |
| } |
| |
| @SuppressLint("DrawAllocation") |
| @Override |
| public void onDraw(Canvas canvas) |
| { |
| // load the bitmap |
| loadBitmap(); |
| |
| // init shader |
| if (image != null) |
| { |
| shader = new BitmapShader(Bitmap.createScaledBitmap(image, canvas.getWidth(), canvas.getHeight(), false), Shader.TileMode.CLAMP, Shader.TileMode.CLAMP); |
| paint.setShader(shader); |
| int circleCenter = viewWidth / 2; |
| |
| // circleCenter is the x or y of the view's center |
| // radius is the radius in pixels of the cirle to be drawn |
| // paint contains the shader that will texture the shape |
| canvas.drawCircle(circleCenter + borderWidth, circleCenter + borderWidth, circleCenter + borderWidth - 4.0f, paintBorder); |
| canvas.drawCircle(circleCenter + borderWidth, circleCenter + borderWidth, circleCenter - 4.0f, paint); |
| } |
| } |
| |
| @Override |
| protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) |
| { |
| int width = measureWidth(widthMeasureSpec); |
| int height = measureHeight(heightMeasureSpec, widthMeasureSpec); |
| |
| viewWidth = width - (borderWidth * 2); |
| viewHeight = height - (borderWidth * 2); |
| |
| setMeasuredDimension(width, height); |
| } |
| |
| private int measureWidth(int measureSpec) |
| { |
| int result = 0; |
| int specMode = MeasureSpec.getMode(measureSpec); |
| int specSize = MeasureSpec.getSize(measureSpec); |
| |
| if (specMode == MeasureSpec.EXACTLY) |
| { |
| // We were told how big to be |
| result = specSize; |
| } |
| else |
| { |
| // Measure the text |
| result = viewWidth; |
| } |
| |
| return result; |
| } |
| |
| private int measureHeight(int measureSpecHeight, int measureSpecWidth) |
| { |
| int result = 0; |
| int specMode = MeasureSpec.getMode(measureSpecHeight); |
| int specSize = MeasureSpec.getSize(measureSpecHeight); |
| |
| if (specMode == MeasureSpec.EXACTLY) |
| { |
| // We were told how big to be |
| result = specSize; |
| } |
| else |
| { |
| // Measure the text (beware: ascent is a negative number) |
| result = viewHeight; |
| } |
| |
| return (result + 2); |
| } |
| } |