Drawing with DirectDraw & GDI

[
    uuid(98256279-35C8-434A-B4A8-4760063EFAD5)
]
interface CCanvasImpl
{
    [

]HRESULT Create([

] CDXScreen* pScreen,[

] LONG lSize,[

] CHAR* lpCache,[

] BYTE memoryType);
    [

]HRESULT PutPixel([

] int X,[

] int Y,[

] DWORD Col);
    [

]HRESULT GetPixel([

] int X,[

] int Y);
    [

]HRESULT Rect([

] int X1,[

] int Y1,[

] int X2,[

] int Y2,[

] DWORD Col);
    [

]HRESULT FillRect([

] int X1,[

] int Y1,[

] int X2,[

] int Y2,[

] DWORD Col);
    [

]HRESULT Line([

] int X1,[

] int Y1,[

] int X2,[

] int Y2,[

] DWORD Col);
    [

]HRESULT Circle([

] int X,[

] int Y,[

] int Radius,[

] DWORD Col);
    [

]HRESULT FillCircle([

] int X,[

] int Y,[

] int Radius,[

] DWORD Col);
    [

]HRESULT RoundedRect([

] int X1,[

] int Y1,[

] int X2,[

] int Y2,[

] int Radius,[

] DWORD Col);
    [

]HRESULT Fill([

] DWORD FillColor);
    [

]HRESULT TextOut([

] int x,[

] int y,[

] COLORREF col,[

] LPCTSTR pString);
    [

]HRESULT DrawText([

] LPCSTR pString,[

] COLORREF col,[

] LPRECT pRect);
    [

]HRESULT SaveAsBMP([

] const char* szFilename);
    [

]HRESULT Blt([

] CDXSurface* lpCDXS,[

] LONG* lDestX,[

] LONG* lDestY,[

] RECT* srcRect);
    [

]HRESULT ClipRect([

] RECT* Rect);
    [

]HRESULT Restore();
    [

]HRESULT ChangeFont([

] const char* FontName,[

] int Width,[

] int Height,[

] int Attributes);
    [

]HRESULT SetFont();
    [

]HRESULT Lock();
    [

]HRESULT UnLock();
    [

]HRESULT GetDC();
    [

]HRESULT ReleaseDC();
    [

]HRESULT GetWidth();
    [

]HRESULT GetHeight();
    [

]HRESULT GetSurfacePointer();
    [

]HRESULT GetClipRect();
    [

]HRESULT SetClipRect([

] RECT* clipRect);
    [

]HRESULT GetFontName([

] char* name);
    [

]HRESULT GetSurfaceDescriptor([

] LPDDSURFACEDESC2 lpddsd);
    [

]HRESULT GetDDS();
    [

]HRESULT Refresh([

] RECT* pRect);
};
[
    uuid(46D36998-857D-4A63-9C91-F84B1DB6DC39),
    version(1.0)
]
library DRAWINGLib
{
    };