/**
* Creates the reflected images.
*
* @return true, if successful
*/
private void createReflectedImages() {
final int width = this.wrappedViewBitmap.getWidth();
final int height = this.wrappedViewBitmap.getHeight();
final Matrix matrix = new Matrix();
matrix.postScale(1, -1);
final int scaledDownHeight = (int) (height * originalScaledownFactor);
final int invertedHeight = height - scaledDownHeight - reflectionGap;
final int invertedBitmapSourceTop = scaledDownHeight - invertedHeight;
final Bitmap invertedBitmap =
Bitmap.createBitmap(
this.wrappedViewBitmap,
0,
invertedBitmapSourceTop,
width,
invertedHeight,
matrix,
true);
this.wrappedViewDrawingCanvas.drawBitmap(
invertedBitmap, 0, scaledDownHeight + reflectionGap, null);
final Paint paint = new Paint();
final LinearGradient shader =
new LinearGradient(
0,
height * imageReflectionRatio + reflectionGap,
0,
height,
0x70ffffff,
0x00ffffff,
Shader.TileMode.CLAMP);
paint.setShader(shader);
paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.DST_IN));
this.wrappedViewDrawingCanvas.drawRect(
0, height * (1 - imageReflectionRatio), width, height, paint);
}
@SuppressLint("DrawAllocation")
@Override
protected void onLayout(boolean changed, int l, int t, int r, int b) {
if (changed) {
int measuredWidth = this.getMeasuredWidth();
int measuredHeight = this.getMeasuredHeight();
if (this.wrappedViewBitmap == null
|| this.wrappedViewBitmap.getWidth() != measuredWidth
|| this.wrappedViewBitmap.getHeight() != measuredHeight) {
this.wrappedViewBitmap =
Bitmap.createBitmap(measuredWidth, measuredHeight, Bitmap.Config.ARGB_8888);
this.wrappedViewDrawingCanvas = new Canvas(this.wrappedViewBitmap);
}
View child = getChildAt(0);
int childWidth = child.getMeasuredWidth();
int childHeight = child.getMeasuredHeight();
int childLeft = (measuredWidth - childWidth) / 2;
int childRight = measuredWidth - childLeft;
child.layout(childLeft, 0, childRight, childHeight);
}
}