void initialize()
{
_fps = 0;
_path = null;
Frame = new System.Drawing.RectangleF(0, 0, 320, 480 - 54);
// important - it needs to be transparent so the camera preview shows through!
Opaque = false;
BackgroundColor = UIColor.Clear;
// allocating bitmap buffer
_buffer = new RawBitmap((int)Frame.Width, (int)Frame.Height);
_drawnImage = new RawBitmap((int)Frame.Width, (int)Frame.Height);
// creating checkerboard mask image
using (var checkerBoardImage = new RawBitmap((int)Bounds.Size.Width, (int)Bounds.Size.Height))
{
for (int y = 0; y < checkerBoardImage.Height; y += 2)
{
for (int x = 0; x < checkerBoardImage.Width; x += 2)
{
checkerBoardImage.WritePixel(x, y, 255);
}
}
for (int y = 1; y < checkerBoardImage.Height; y += 2)
{
for (int x = 1; x < checkerBoardImage.Width; x += 2)
{
checkerBoardImage.WritePixel(x, y, 255);
}
}
_maskImage = checkerBoardImage.Context.ToImage();
}
}
void initialize()
{
_fps = 0;
_path = null;
Frame = new System.Drawing.RectangleF(0, 0, 320, 480 - 54);
// important - it needs to be transparent so the camera preview shows through!
Opaque = false;
BackgroundColor = UIColor.Clear;
// allocating bitmap buffer
_buffer = new RawBitmap((int)Frame.Width, (int)Frame.Height);
_drawnImage = new RawBitmap((int)Frame.Width, (int)Frame.Height);
// creating checkerboard mask image
using (var checkerBoardImage = new RawBitmap((int)Bounds.Size.Width, (int)Bounds.Size.Height))
{
for (int y = 0; y < checkerBoardImage.Height; y += 2)
{
for (int x = 0; x < checkerBoardImage.Width; x += 2)
{
checkerBoardImage.WritePixel(x, y, 255);
}
}
for (int y = 1; y < checkerBoardImage.Height; y += 2)
{
for (int x = 1; x < checkerBoardImage.Width; x += 2)
{
checkerBoardImage.WritePixel(x, y, 255);
}
}
_maskImage = checkerBoardImage.Context.ToImage();
}
}
protected override void Dispose(bool disposing)
{
if (null != _timer)
{
_timer.Invalidate();
_timer.Dispose();
_timer = null;
}
if (null != _buffer)
{
_buffer.Dispose();
_buffer = null;
}
if (null != _drawnImage)
{
_drawnImage.Dispose();
_drawnImage = null;
}
base.Dispose(disposing);
}
protected override void Dispose(bool disposing)
{
if (null != _timer)
{
_timer.Invalidate();
_timer.Dispose();
_timer = null;
}
if (null != _buffer)
{
_buffer.Dispose();
_buffer = null;
}
if (null != _drawnImage)
{
_drawnImage.Dispose();
_drawnImage = null;
}
base.Dispose(disposing);
}
