public override void display_pmap(Graphics displayGraphics)
{
GuiHalSurfaceWindowsFormsDXBackend app = ((GuiHalSurfaceWindowsFormsDXBackend)m_app);
if (DX_Device == null)
{
return;
}
DX_Device.Clear(ClearFlags.Target, Color.White, 1.0f, 0);
DX_Device.BeginScene();
if (this.ClientRectangle.Width != app.backBuffer.Width ||
this.ClientRectangle.Height != app.backBuffer.Height)
{
throw new System.IO.InvalidDataException("the back buffer must be the same size as the client area");
}
using (Surface s = DX_Device.GetBackBuffer(0, 0, BackBufferType.Mono))
{
int pitch;
using (GraphicsStream graphicsStream = s.LockRectangle(this.ClientRectangle, LockFlags.None, out pitch))
{
unsafe
{
int sourceOffset;
Byte[] sourceBuffer = app.backBuffer.GetBuffer(out sourceOffset);
byte *pDestBuffer = (byte *)graphicsStream.InternalDataPointer;
int * pDestBufferInt = (int *)pDestBuffer;
int height = app.backBuffer.Height;
int scanWidth = app.backBuffer.Width * 4;
int numLongs = scanWidth / 4;
fixed(byte *pSourceBuffer = &sourceBuffer[sourceOffset])
{
int *pSourceBufferInt = (int *)pSourceBuffer;
for (int y = 0; y < height; y++)
{
int destOffsetInt = y * pitch / 4;
int sourceOffsetInt = app.backBuffer.GetBufferOffsetXY(0, height - y - 1) / 4;
for (int x = 0; x < numLongs; x++)
{
pDestBufferInt[destOffsetInt++] = pSourceBufferInt[sourceOffsetInt++];
}
}
}
}
}
s.UnlockRectangle();
}
// Rendering is done here
DX_Device.EndScene();
DX_Device.Present();
}
public GuiHalSurface CreateSurface(int Width, int Height, GuiHalSurface.CreateFlags flags, GuiHalSurface.PixelFormat pixelFormat)
{
GuiHalSurface newSurface;
switch (pixelFormat)
{
case GuiHalSurface.PixelFormat.PixelFormatBgra32:
newSurface = new GuiHalSurfaceWindowsFormsDXBackend(GuiHalSurface.ImageFormats.pix_format_bgra32);
break;
default:
throw new NotImplementedException();
}
newSurface.Init(Width, Height, flags, pixelFormat);
return newSurface;
}
public GuiHalSurface CreateSurface(int Width, int Height, GuiHalSurface.CreateFlags flags, GuiHalSurface.PixelFormat pixelFormat)
{
GuiHalSurface newSurface;
switch (pixelFormat)
{
case GuiHalSurface.PixelFormat.PixelFormatBgra32:
newSurface = new GuiHalSurfaceWindowsFormsDXBackend(GuiHalSurface.ImageFormats.pix_format_bgra32);
break;
default:
throw new NotImplementedException();
}
newSurface.Init(Width, Height, flags, pixelFormat);
return(newSurface);
}