public unsafe D3DRECT MeasureText(D3DXSprite sprite, string text, DT drawFlags)
{
D3DRECT rect;
D3DCOLOR color = -1;
int format = (int)(drawFlags | DT.DT_CALCRECT);
DrawText(sprite, text, text.Length, (IntPtr)(void *)&rect, format, color);
return(rect);
}
public unsafe int DrawText(D3DXSprite sprite, string text, D3DRECT rect, DT drawFlags, D3DCOLOR color)
{
var result = DrawText(sprite, text, text.Length, (IntPtr)(void *)&rect, (int)drawFlags, color);
if (result == 0)
{
//"Draw failed"
throw new DirectXException(0);
}
return(result);
}
/// <unmanaged>int ID3DXFont::DrawTextW([In] ID3DXSprite* pSprite,[In] const wchar_t* pString,[In] int Count,[In] void* pRect,[In] unsigned int Format,[In] D3DCOLOR Color)</unmanaged>
private unsafe int DrawText(D3DXSprite sprite, string text, int count, IntPtr rectRef, int format, D3DCOLOR color)
{
var pString = Marshal.StringToHGlobalUni(text);
//result = calli(System.Int32(System.Void*,System.Void*,System.Void*,System.Int32,System.Void*,System.Int32,SharpDX.Mathematics.Interop.RawColorBGRA), this._nativePointer, (void*)((spriteRef == null) ? IntPtr.Zero : spriteRef.NativePointer), (void*)intPtr, count, (void*)rectRef, format, color, *(*(IntPtr*)this._nativePointer + (IntPtr)15 * (IntPtr)sizeof(void*)));
var result = NativeHelper.CalliInt32(15, _nativePointer,
(void *)(sprite == null ? IntPtr.Zero : sprite.NativePointer),
(void *)pString,
(int)count,
(void *)rectRef,
(int)format,
(int)color);
Marshal.FreeHGlobal(pString);
return(result);
}