/// <summary>
/// Creates child window and D3D device
/// </summary>
/// <param name="hwndParent"></param>
/// <returns></returns>
protected override HandleRef BuildWindowCore(HandleRef hwndParent)
{
IntPtr hInstance = Marshal.GetHINSTANCE(typeof(System.Windows.Application).Module);
string wndClassName = "NetDCWin323DEngineClass";
string wndName = "WinRender";
_CallbackOnCollectedDelegateWindowProc = new User32.WndProc(MyWndProc);
User32.WNDCLASSEX wcex = new User32.WNDCLASSEX()
{
cbSize = Marshal.SizeOf(typeof(User32.WNDCLASSEX)),
style = User32.CS.CS_HREDRAW | User32.CS.CS_VREDRAW,
lpfnWndProc = _CallbackOnCollectedDelegateWindowProc,
cbClsExtra = 0,
cbWndExtra = 0,
hInstance = hInstance,
hIcon = IntPtr.Zero,
hbrBackground = (IntPtr)(GDI32.COLOR.COLOR_WINDOW + 1),
hCursor = User32.LoadCursor(IntPtr.Zero, User32.IDC.IDC_ARROW),
lpszClassName = wndClassName,
lpszMenuName = null,
hIconSm = IntPtr.Zero
};
short atom = User32.RegisterClassEx(ref wcex);
if (atom == 0)
{
throw new System.ComponentModel.Win32Exception(Marshal.GetLastWin32Error());
}
IntPtr hWnd = User32.CreateWindowEx(
User32.WS_EX.WS_EX_NONE,
wndClassName,
wndName,
User32.WS.WS_CHILD | User32.WS.WS_VISIBLE,
User32.CW_USEDEFAULT, User32.CW_USEDEFAULT,
640, 480,
hwndParent.Handle,
IntPtr.Zero,
hInstance,
IntPtr.Zero);
if (hWnd == IntPtr.Zero)
{
throw new System.ComponentModel.Win32Exception(Marshal.GetLastWin32Error()); //Cannot find window class???
}
_childHwnd = hWnd;
return(new HandleRef(this, _childHwnd));
}
protected override HandleRef BuildWindowCore(HandleRef hwndParent)
{
var wndclass = new User32.WNDCLASSEX();
wndclass.cbSize = Marshal.SizeOf <User32.WNDCLASSEX>();
wndclass.style = 0;
wndclass.hInstance = Kernel32.GetModuleHandle(null).DangerousGetHandle();
User32.RegisterClassEx(ref wndclass);
var windowHandle = User32.CreateWindowEx((User32.WindowStylesEx)WS_EX_NOREDIRECTIONBITMAP, "static", "", User32.WindowStyles.WS_CHILD | User32.WindowStyles.WS_CLIPCHILDREN | User32.WindowStyles.WS_VISIBLE, 0, 0, (int)Width, (int)Height, hwndParent.Handle, IntPtr.Zero, IntPtr.Zero, IntPtr.Zero);
User32.SetWindowPos(windowHandle, hwndParent.Handle, 0, 0, (int)Width, (int)Height, User32.SetWindowPosFlags.SWP_SHOWWINDOW);
ANGLE.InitializeContext((int)Width, (int)Height, true, windowHandle, User32.GetDC(windowHandle).DangerousGetHandle());
var angleInterface = GRGlInterface.CreateAngle(ANGLE.AngleGetProcAddress);
var grContext = GRContext.CreateGl(angleInterface);
var buffer = ANGLE.GetFrameBuffer();
var fbinfo = new GRGlFramebufferInfo(buffer, ANGLE.GetFramebufferFormat());
var backendRT = new GRBackendRenderTarget((int)Width, (int)Height, 4, 8, fbinfo);
var surfaceprops = new SKSurfaceProperties(SKSurfacePropsFlags.UseDeviceIndependentFonts, SKPixelGeometry.Unknown);
var surface = SKSurface.Create(grContext, backendRT, GRSurfaceOrigin.BottomLeft, SKColorType.Rgba8888, null, surfaceprops);
var canvas = surface.Canvas;
canvas.Clear(SKColor.Empty);
SKPaint paint = new SKPaint();
paint.Style = SKPaintStyle.Fill;
paint.IsAntialias = true;
paint.StrokeWidth = 4;
paint.Color = new SKColor(0xff4285f4);
SKRect rect = SKRect.Create(10, 10, 100, 160);
canvas.DrawRect(rect, paint);
SKRoundRect oval = new SKRoundRect();
oval.SetOval(rect);
oval.Offset(40, 80);
paint.Color = new SKColor(0xffdb4437);
canvas.DrawRoundRect(oval, paint);
paint.Color = new SKColor(0xff0f9d58);
canvas.DrawCircle(180, 50, 25, paint);
rect.Offset(80, 50);
paint.Color = new SKColor(0xfff4b400);
paint.Style = SKPaintStyle.Stroke;
canvas.DrawRoundRect(rect, 10, 10, paint);
canvas.Flush();
ANGLE.Swap();
return(new HandleRef(this, windowHandle));
}
private void CreateWindow()
{
var wc = new User32.WNDCLASSEX();
IntPtr hwnd;
//1 register window class
wc.cbSize = Marshal.SizeOf(wc);
wc.style = User32.CS.CS_HREDRAW | User32.CS.CS_VREDRAW;
wc.lpfnWndProc = _wndProc;
wc.cbClsExtra = 0;
wc.cbWndExtra = 0;
wc.hInstance = Kernel32.GetModuleHandle(null);//Kernel32.GetModuleHandle(null);
wc.lpszClassName = "CanvasWindow";
wc.hIcon = User32.LoadIcon(wc.hInstance, new IntPtr((uint)User32.IDI.IDI_APPLICATION));
wc.hCursor = User32.LoadCursor(IntPtr.Zero, User32.IDC.IDC_ARROW);
wc.hbrBackground = new IntPtr((uint)Win32.GDI32.COLOR.COLOR_WINDOW + 1);
wc.lpszMenuName = "";
wc.hIconSm = IntPtr.Zero;
if (User32.RegisterClassEx(ref wc) == 0)
{
// throw new Exception("注册窗口类失败: " + Marshal.GetLastWin32Error());
}
hwnd = User32.CreateWindowEx(User32.WS_EX.WS_EX_LAYERED | User32.WS_EX.WS_EX_TOPMOST
| User32.WS_EX.WS_EX_TOOLWINDOW, wc.lpszClassName, null,
0, _bounds.Left, _bounds.Top,
_bounds.Width, _bounds.Height, IntPtr.Zero, IntPtr.Zero, wc.hInstance, IntPtr.Zero);
if (hwnd == IntPtr.Zero)
{
throw new Exception("创建窗口失败: " + Marshal.GetLastWin32Error());
}
_handle = hwnd;
}