private void AddHighlightView(Bitmap bitmap)
{
if (bitmap == null)
return;
highlightView = new HighlightView(this);
int width = bitmap.Width;
int height = bitmap.Height;
Rect imageRect = new Rect(0, 0, width, height);
// make the default size about 4/5 of the width or height
int cropWidth = width * 4 / 5; //Math.Min(width, height) * 4 / 5;
int cropHeight = height * 4 / 5;
if (OutputWidth != 0 && OutputHeight != 0)
{
if(OutputWidth < OutputHeight)
{
var aspectRatio = (float)OutputWidth / (float)OutputHeight;
cropWidth = (int)(cropHeight * aspectRatio);
}
else
{
var aspectRatio = (float)OutputHeight / (float)OutputWidth;
cropHeight = (int)(cropWidth * aspectRatio);
}
}
int x = (width - cropWidth) / 2;
int y = (height - cropHeight) / 2;
RectF cropRect = new RectF(x, y, x + cropWidth, y + cropHeight);
highlightView.Setup(this.ImageMatrix, imageRect, cropRect, OutputWidth != 0 && OutputHeight != 0);
this.ClearHighlightViews();
highlightView.Focused = true;
this.AddHighlightView(highlightView);
Center(true, true);
}
