public RenderingSource(IntPtr memorySection, IntPtr renderingSurface, RenderingSurfaceInformation surfaceInformation)
{
MemorySection = memorySection;
RenderingSurface = renderingSurface;
SurfaceInformation = surfaceInformation;
}
public IRenderingSource Create(Int32 width, Int32 height, PixelFormats pixelFormat)
{
RenderingSurfaceInformation _renderingSurfaceInformation;
IntPtr memorySection;
IntPtr renderingSurface;
Int32 bitsPerPixel = 0;
uint numPixels = (uint)(width * height);
switch (pixelFormat)
{
case PixelFormats.Bgr101010:
break;
case PixelFormats.Bgr24:
break;
case PixelFormats.Bgr32:
break;
case PixelFormats.Bgr555:
break;
case PixelFormats.Bgr565:
bitsPerPixel = 16;
break;
case PixelFormats.Bgra32:
break;
case PixelFormats.BlackWhite:
break;
case PixelFormats.Cmyk32:
break;
case PixelFormats.Default:
break;
case PixelFormats.Gray16:
break;
case PixelFormats.Gray2:
break;
case PixelFormats.Gray32Float:
break;
case PixelFormats.Gray4:
break;
case PixelFormats.Gray8:
break;
case PixelFormats.Indexed1:
break;
case PixelFormats.Indexed2:
break;
case PixelFormats.Indexed4:
break;
case PixelFormats.Indexed8:
break;
case PixelFormats.Pbgra32:
break;
case PixelFormats.Prgba128Float:
break;
case PixelFormats.Prgba64:
break;
case PixelFormats.Rgb128Float:
break;
case PixelFormats.Rgb24:
break;
case PixelFormats.Rgb48:
break;
case PixelFormats.Rgba128Float:
break;
case PixelFormats.Rgba64:
break;
default:
break;
}
uint numBytes = numPixels * (uint)(bitsPerPixel / 8);
memorySection = CreateFileMapping(INVALID_HANDLE_VALUE,
IntPtr.Zero,
PAGE_READWRITE,
0,
numBytes,
null);
renderingSurface = MapViewOfFile(memorySection,
FILE_MAP_ALL_ACCESS,
0,
0,
numBytes);
_renderingSurfaceInformation = new RenderingSurfaceInformation(width, height, bitsPerPixel, pixelFormat);
return new RenderingSource(memorySection, renderingSurface, _renderingSurfaceInformation);
}
