protected override void WndProc(ref Message m)
{
if (m.Msg == DX_DISPLAYREADY)
{
WindowsPixels wp = new WindowsPixels();
Marshal.PtrToStructure(m.WParam, wp);
byte[] pixs = new byte[wp.width * wp.height * 3];
Marshal.Copy(wp.pixels, pixs, 0, wp.width * wp.height * 3);
this.DrawPicture(wp, ref pixs, true);
}
base.WndProc(ref m);
}
protected void DrawPicture(WindowsPixels wp, ref byte[] pixs, bool force)
{
//if (storedBmap != null && (force || storedBmap != ip ||
// pictureBox.Width != wp.width || pictureBox.Height != wp.height))
if ((force ||
pictureBox.Width != wp.width || pictureBox.Height != wp.height))
{
//storedBmap = wp.pixels;
this.ClientSize = new Size(wp.width, wp.height);
//pictureBox.Width = wp.width;
//pictureBox.Height = wp.height;
Bitmap bmp;
// bitmap is upside down--can it be fixed easily?
bmp = new Bitmap(wp.width, wp.height, PixelFormat.Format24bppRgb);
int i;
BitmapData data = bmp.LockBits(new Rectangle(0, 0, bmp.Width, bmp.Height),
ImageLockMode.WriteOnly, bmp.PixelFormat);
if (data.Stride == wp.width * 3)
{
Marshal.Copy(pixs, 0, data.Scan0, wp.width * wp.height * 3);
}
else
{
for (i = 0; i < bmp.Height; i++)
{
IntPtr p = new IntPtr(data.Scan0.ToInt32() + data.Stride * i);
Marshal.Copy(pixs, i * bmp.Width * 3, p, bmp.Width * 3);
}
}
bmp.UnlockBits(data);
//img = new Bitmap(pictureBox.Width, pictureBox.Height,
// pictureBox.Width * 3, System.Drawing.Imaging.PixelFormat.Format24bppRgb, ip);
bmp.RotateFlip(RotateFlipType.Rotate180FlipX);
this.pictureBox.Image = bmp;
pictureBox.Update();
Show();
BringToFront();
}
}
