protected override void OnHandleDestroyed(EventArgs e)
{
m_image?.Dispose();
GlImage?.Dispose();
GlWindow?.Dispose();
base.OnHandleDestroyed(e);
}
protected override void OnSizeChanged(EventArgs e)
{
if (GlImage != null)
{
var dw = (Width - m_previousControlWidth) * Density;
var dh = (Height - m_previousControlHeight) * Density;
m_currentImageView.X -= dw / 2f;
m_currentImageView.Width += dw;
m_currentImageView.Y -= dh / 2f;
m_currentImageView.Height += dh;
}
GlWindow.Begin();
GlWindow.ResizeWindow(Width, Height);
Gl.MatrixMode(Gl.GL_PROJECTION);
Gl.LoadIdentity();
Gl.Ortho2D(0, Width, Height, 0);
GlWindow.End();
m_previousControlWidth = Width;
m_previousControlHeight = Height;
FixImageView();
base.OnSizeChanged(e);
}
public ImageBoxWindow()
{
InitializeComponent();
GlWindow = new GlWindow(Handle);
GlWindow.Begin();
Gl.ClearColor(Color.WhiteSmoke);
GlWindow.End();
}
internal ImageBoxMiniMap(ImageBoxWindow imageBoxWindow)
{
InitializeComponent();
m_glWindow = new GlWindow(Handle);
m_glWindow.Begin();
Gl.ClearColor(Color.WhiteSmoke);
m_glWindow.End();
m_imageBoxWindow = imageBoxWindow;
Win32.wglShareLists(m_imageBoxWindow.GlWindow.Hglrc, m_glWindow.Hglrc);
}
protected override void OnPaint(PaintEventArgs e)
{
if (GlImage == null)
{
return;
}
if (Math.Abs(m_currentImageView.Width) < Eps)
{
CreateImageView();
}
GlWindow.Begin();
Gl.Clear(Gl.GL_COLOR_BUFFER_BIT | Gl.GL_DEPTH_BUFFER_BIT);
GlWindow.DrawImage(GlImage, ControlView, m_currentImageView);
GlWindow.End();
GlWindow.SwapBuffers();
base.OnPaint(e);
}