108 lines
3.2 KiB
Java
108 lines
3.2 KiB
Java
package org.thoughtcrime.securesms.components;
|
|
|
|
import android.content.Context;
|
|
import android.content.res.TypedArray;
|
|
import android.graphics.Bitmap;
|
|
import android.graphics.Canvas;
|
|
import android.graphics.Color;
|
|
import android.graphics.Paint;
|
|
import android.graphics.PorterDuff;
|
|
import android.graphics.PorterDuffXfermode;
|
|
import android.graphics.RectF;
|
|
import android.util.AttributeSet;
|
|
import android.view.View;
|
|
|
|
import org.thoughtcrime.securesms.R;
|
|
|
|
public class ShapeScrim extends View {
|
|
|
|
private enum ShapeType {
|
|
CIRCLE, SQUARE
|
|
}
|
|
|
|
private final Paint eraser;
|
|
private final ShapeType shape;
|
|
private final float radius;
|
|
|
|
private Bitmap scrim;
|
|
private Canvas scrimCanvas;
|
|
|
|
public ShapeScrim(Context context) {
|
|
this(context, null);
|
|
}
|
|
|
|
public ShapeScrim(Context context, AttributeSet attrs) {
|
|
this(context, attrs, 0);
|
|
}
|
|
|
|
public ShapeScrim(Context context, AttributeSet attrs, int defStyleAttr) {
|
|
super(context, attrs, defStyleAttr);
|
|
|
|
if (attrs != null) {
|
|
TypedArray typedArray = context.getTheme().obtainStyledAttributes(attrs, R.styleable.ShapeScrim, 0, 0);
|
|
String shapeName = typedArray.getString(R.styleable.ShapeScrim_shape);
|
|
|
|
if ("square".equalsIgnoreCase(shapeName)) this.shape = ShapeType.SQUARE;
|
|
else if ("circle".equalsIgnoreCase(shapeName)) this.shape = ShapeType.CIRCLE;
|
|
else this.shape = ShapeType.SQUARE;
|
|
|
|
this.radius = typedArray.getFloat(R.styleable.ShapeScrim_radius, 0.4f);
|
|
|
|
typedArray.recycle();
|
|
} else {
|
|
this.shape = ShapeType.SQUARE;
|
|
this.radius = 0.4f;
|
|
}
|
|
|
|
this.eraser = new Paint();
|
|
this.eraser.setColor(0xFFFFFFFF);
|
|
this.eraser.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.CLEAR));
|
|
}
|
|
|
|
@Override
|
|
public void onDraw(Canvas canvas) {
|
|
super.onDraw(canvas);
|
|
|
|
int shortDimension = getWidth() < getHeight() ? getWidth() : getHeight();
|
|
float drawRadius = shortDimension * radius;
|
|
|
|
if (scrimCanvas == null) {
|
|
scrim = Bitmap.createBitmap(getWidth(), getHeight(), Bitmap.Config.ARGB_8888);
|
|
scrimCanvas = new Canvas(scrim);
|
|
}
|
|
|
|
scrim.eraseColor(Color.TRANSPARENT);
|
|
scrimCanvas.drawColor(Color.parseColor("#55BDBDBD"));
|
|
|
|
if (shape == ShapeType.CIRCLE) drawCircle(scrimCanvas, drawRadius, eraser);
|
|
else drawSquare(scrimCanvas, drawRadius, eraser);
|
|
|
|
canvas.drawBitmap(scrim, 0, 0, null);
|
|
}
|
|
|
|
@Override
|
|
public void onSizeChanged(int width, int height, int oldWidth, int oldHeight) {
|
|
super.onSizeChanged(width, height, oldHeight, oldHeight);
|
|
|
|
if (width != oldWidth || height != oldHeight) {
|
|
scrim = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
|
|
scrimCanvas = new Canvas(scrim);
|
|
}
|
|
}
|
|
|
|
private void drawCircle(Canvas canvas, float radius, Paint eraser) {
|
|
canvas.drawCircle(getWidth() / 2, getHeight() / 2, radius, eraser);
|
|
}
|
|
|
|
private void drawSquare(Canvas canvas, float radius, Paint eraser) {
|
|
float left = (getWidth() / 2 ) - radius;
|
|
float top = (getHeight() / 2) - radius;
|
|
float right = left + (radius * 2);
|
|
float bottom = top + (radius * 2);
|
|
|
|
RectF square = new RectF(left, top, right, bottom);
|
|
|
|
canvas.drawRoundRect(square, 25, 25, eraser);
|
|
}
|
|
}
|