int wglChoosePixelFormat(IntPtr hDc, ref Gdi.PIXELFORMATDESCRIPTOR pPfd)
{
unsafe
{
fixed (Gdi.PIXELFORMATDESCRIPTOR* pPfd_ptr = &pPfd)
{
return Delegates.wglChoosePixelFormat((IntPtr)hDc, (Gdi.PIXELFORMATDESCRIPTOR*)pPfd_ptr);
}
}
}
int wglDescribePixelFormat(IntPtr hdc, int ipfd, UInt32 cjpfd, Gdi.PIXELFORMATDESCRIPTOR[] ppfd)
{
unsafe
{
fixed (Gdi.PIXELFORMATDESCRIPTOR* ppfd_ptr = ppfd)
{
return Delegates.wglDescribePixelFormat((IntPtr)hdc, (int)ipfd, (UInt32)cjpfd, (Gdi.PIXELFORMATDESCRIPTOR*)ppfd_ptr);
}
}
}
public static extern int _DescribePixelFormat(System.IntPtr hdc,int iPixelFormat,uint nBytes,ref Gdi.PIXELFORMATDESCRIPTOR ppfd);
public static PixelFormatValue[] PrioritizePixelFormats(Gdi.PIXELFORMATDESCRIPTOR[] unsortedFormats,bool requireDoubleBuffering,bool requireHardwareAccerleration) {
ArrayList sortedFormats=new ArrayList();
for(int i=0;i<unsortedFormats.Length;i++) {
Gdi.PIXELFORMATDESCRIPTOR pfd=unsortedFormats[i];
long bpp=pfd.cColorBits;
long depth=pfd.cDepthBits;
bool pal=FormatUsesPalette(pfd);
bool hardware=FormatSupportsAcceleration(pfd);
bool opengl=FormatSupportsOpenGL(pfd);
bool window=FormatSupportsWindow(pfd);
bool bitmap=FormatSupportsBitmap(pfd);
bool dbuff=FormatSupportsDoubleBuffering(pfd);
//Recognize formats which do not meet minimum requirements first and foremost.
if(!opengl||!window||bpp<8||depth<8||pal||requireDoubleBuffering!=dbuff||requireHardwareAccerleration!=hardware) {
continue;
}
PixelFormatValue pfv=new PixelFormatValue();
pfv.pfd=pfd;
pfv.formatNumber=i+1;
sortedFormats.Add(pfv);
}
sortedFormats.Sort();
return (PixelFormatValue[])sortedFormats.ToArray(typeof(PixelFormatValue));
}
public static extern int ChangeDisplaySettings(ref Gdi.DEVMODE devMode, int flags);
public static extern bool EnumDisplaySettings(string deviceName, int modeNumber, out Gdi.DEVMODE devMode);
internal extern static unsafe Boolean SetPixelFormat(IntPtr hdc, int ipfd, Gdi.PIXELFORMATDESCRIPTOR* ppfd);
private static void PopulatePixelFormatDescriptor(ref Gdi.PIXELFORMATDESCRIPTOR pfd)
{
pfd.nSize = (short)Marshal.SizeOf(pfd);
pfd.nVersion = 1;
pfd.dwFlags = Gdi.PFD_DRAW_TO_WINDOW |
Gdi.PFD_SUPPORT_OPENGL |
Gdi.PFD_DOUBLEBUFFER;
pfd.iPixelType = (byte)Gdi.PFD_TYPE_RGBA;
pfd.cColorBits = (byte)32;
pfd.cRedBits = 0;
pfd.cRedShift = 0;
pfd.cGreenBits = 0;
pfd.cGreenShift = 0;
pfd.cBlueBits = 0;
pfd.cBlueShift = 0;
pfd.cAlphaBits = 0;
pfd.cAlphaShift = 0;
pfd.cAccumBits = 0;
pfd.cAccumRedBits = 0;
pfd.cAccumGreenBits = 0;
pfd.cAccumBlueBits = 0;
pfd.cAccumAlphaBits = 0;
pfd.cDepthBits = 32;
pfd.cStencilBits = 0;
pfd.cAuxBuffers = 0;
pfd.iLayerType = (byte)Gdi.PFD_MAIN_PLANE;
pfd.bReserved = 0;
pfd.dwLayerMask = 0;
pfd.dwVisibleMask = 0;
pfd.dwDamageMask = 0;
}
Boolean wglUseFontOutlinesW(IntPtr hDC, Int32 first, Int32 count, Int32 listBase, float thickness, float deviation, Int32 fontMode, ref Gdi.GLYPHMETRICSFLOAT glyphMetrics)
{
unsafe
{
fixed (Gdi.GLYPHMETRICSFLOAT* glyphMetrics_ptr = &glyphMetrics)
{
return Delegates.wglUseFontOutlinesW((IntPtr)hDC, (Int32)first, (Int32)count, (Int32)listBase, (float)thickness, (float)deviation, (Int32)fontMode, (Gdi.GLYPHMETRICSFLOAT*)glyphMetrics_ptr);
}
}
}
///<summary>Returns true if the given pixel format supports OpenGL rendering, false otherwise.</summary>
public static bool FormatSupportsOpenGL(Gdi.PIXELFORMATDESCRIPTOR pfd) {
return (pfd.dwFlags&Gdi.PFD_SUPPORT_OPENGL)!=0;
}
Boolean wglSetPixelFormat(IntPtr hdc, int ipfd, ref Gdi.PIXELFORMATDESCRIPTOR ppfd)
{
unsafe
{
fixed (Gdi.PIXELFORMATDESCRIPTOR* ppfd_ptr = &ppfd)
{
return Delegates.wglSetPixelFormat((IntPtr)hdc, (int)ipfd, (Gdi.PIXELFORMATDESCRIPTOR*)ppfd_ptr);
}
}
}
Boolean wglDescribeLayerPlane(IntPtr hDc, int pixelFormat, int layerPlane, Int32 nBytes, ref Gdi.LAYERPLANEDESCRIPTOR plpd)
{
unsafe
{
fixed (Gdi.LAYERPLANEDESCRIPTOR* plpd_ptr = &plpd)
{
return Delegates.wglDescribeLayerPlane((IntPtr)hDc, (int)pixelFormat, (int)layerPlane, (UInt32)nBytes, (Gdi.LAYERPLANEDESCRIPTOR*)plpd_ptr);
}
}
}
public static int wglChoosePixelFormat(IntPtr hDc, Gdi.PIXELFORMATDESCRIPTOR[] pPfd)
{
unsafe
{
fixed (Gdi.PIXELFORMATDESCRIPTOR* pPfd_ptr = pPfd)
{
return Delegates.wglChoosePixelFormat((IntPtr)hDc, (Gdi.PIXELFORMATDESCRIPTOR*)pPfd_ptr);
}
}
}
internal extern static unsafe Boolean UseFontOutlinesW(IntPtr hDC, Int32 first, Int32 count, Int32 listBase, float thickness, float deviation, Int32 fontMode, Gdi.GLYPHMETRICSFLOAT* glyphMetrics);
internal extern static unsafe Boolean DescribeLayerPlane(IntPtr hDc, int pixelFormat, int layerPlane, UInt32 nBytes, Gdi.LAYERPLANEDESCRIPTOR* plpd);
///<summary>Does the pixel format support a color palette?</summary>
public static bool FormatUsesPalette(Gdi.PIXELFORMATDESCRIPTOR pfd) {
return (pfd.iPixelType==Gdi.PFD_TYPE_COLORINDEX);
}
///<summary>Returns true if the given pixel format supports bitmapped rendering, false otherwise.</summary>
public static bool FormatSupportsBitmap(Gdi.PIXELFORMATDESCRIPTOR pfd) {
return (pfd.dwFlags&Gdi.PFD_DRAW_TO_BITMAP)!=0;
}
///<summary>Returns true if the given pixel format supports some kind of hardware acceleration, false if the format is a software only graphics.</summary>
public static bool FormatSupportsAcceleration(Gdi.PIXELFORMATDESCRIPTOR pfd) {
return (pfd.dwFlags&Gdi.PFD_GENERIC_FORMAT)==0;
}
internal extern static unsafe int ChoosePixelFormat(IntPtr hDc, Gdi.PIXELFORMATDESCRIPTOR* pPfd);
///<summary>Returns true if the given pixel format supports windowed rendering, false otherwise.</summary>
public static bool FormatSupportsWindow(Gdi.PIXELFORMATDESCRIPTOR pfd) {
return (pfd.dwFlags&Gdi.PFD_DRAW_TO_WINDOW)!=0;
}
internal extern static unsafe int DescribePixelFormat(IntPtr hdc, int ipfd, UInt32 cjpfd, Gdi.PIXELFORMATDESCRIPTOR* ppfd);
///<summary>Returns true if the given pixel format supports double-buffering, false otherwise.</summary>
public static bool FormatSupportsDoubleBuffering(Gdi.PIXELFORMATDESCRIPTOR pfd) {
return (pfd.dwFlags&Gdi.PFD_DOUBLEBUFFER)!=0;
}
public static extern void ZeroMemory(Gdi.PIXELFORMATDESCRIPTOR ptr, int numBytes);
