protected override void CloneCurrentValueCore(Freezable sourceFreezable)
{
InteropBitmap sourceBitmapSource = (InteropBitmap)sourceFreezable;
base.CloneCurrentValueCore(sourceFreezable);
CopyCommon(sourceBitmapSource);
}
protected override void GetCurrentValueAsFrozenCore(Freezable sourceFreezable)
{
InteropBitmap sourceBitmapSource = (InteropBitmap)sourceFreezable;
base.GetCurrentValueAsFrozenCore(sourceFreezable);
CopyCommon(sourceBitmapSource);
}
/// <summary>
/// Initialize a new GridBitmap with the given dimensions and color range.
/// </summary>
/// <param name="x">The width of the bitmap (in pixels)</param>
/// <param name="y">The height of the bitmap (in pixels)</param>
/// <param name="colors">An array containing RGB values indicating how states should be colored. Array size
/// should correspond to the number of states; a cell in state i will be colored with the RGB value in colors[i].
/// If a color for a given state is undefined, undefinedColor will be used.</param>
public GridBitmap(int x, int y, uint defaultState, int[] colors)
{
gridSizeX = x;
gridSizeY = y;
colorList = colors;
numPixels = (uint)(gridSizeX * gridSizeY);
numBytes = numPixels * 4;
int stride = (gridSizeX * format.BitsPerPixel + 7) / 8;
// Make a memory mapping for the bitmap
map = CreateFileMapping(INVALID_HANDLE_VALUE, IntPtr.Zero, PAGE_READWRITE, 0, numBytes, null);
// Initialize a blank bitmap (using the color specified for the default state)
unsafe {
vptr = (int*)MapViewOfFile(map, FILE_MAP_ALL_ACCESS, 0, 0, numBytes).ToPointer();
Parallel.For(0, gridSizeY, j => {
int rowStart = j * gridSizeX;
for (int i = 0; i < gridSizeX; i++) vptr[rowStart+i] = colors[defaultState];
});
}
// Create a bitmap source using the memory map
bmpSource = (InteropBitmap)Imaging.CreateBitmapSourceFromMemorySection(map, gridSizeX, gridSizeY, format, stride, 0);
}
private void CopyCommon(InteropBitmap sourceBitmapSource)
{
base.Animatable_IsResourceInvalidationNecessary = false;
_unmanagedSource = sourceBitmapSource._unmanagedSource;
_sourceRect = sourceBitmapSource._sourceRect;
_sizeOptions = sourceBitmapSource._sizeOptions;
InitFromWICSource(sourceBitmapSource.WicSourceHandle);
base.Animatable_IsResourceInvalidationNecessary = true;
}
/// <summary>
/// Common Copy method used to implement CloneCore() and CloneCurrentValueCore(),
/// GetAsFrozenCore(), and GetCurrentValueAsFrozenCore().
/// </summary>
private void CopyCommon(InteropBitmap sourceBitmapSource)
{
// Avoid Animatable requesting resource updates for invalidations that occur during construction
Animatable_IsResourceInvalidationNecessary = false;
_unmanagedSource = sourceBitmapSource._unmanagedSource;
_sourceRect = sourceBitmapSource._sourceRect;
_sizeOptions = sourceBitmapSource._sizeOptions;
InitFromWICSource(sourceBitmapSource.WicSourceHandle);
// The next invalidation will cause Animatable to register an UpdateResource callback
Animatable_IsResourceInvalidationNecessary = true;
}
public void SetSurface(Guid emulationRunnerId, InteropBitmap bitmap)
{
_surfaces.Add(emulationRunnerId, bitmap);
}
private uint VideoSetFormat(ref IntPtr opaque, ref uint chroma, ref uint width, ref uint height, ref uint pitches, ref uint lines)
{
myContext = new VlcControlWpfRendererContext(width, height, PixelFormats.Bgr32);
chroma = BitConverter.ToUInt32(new[] { (byte)'R', (byte)'V', (byte)'3', (byte)'2' }, 0);
width = (uint)myContext.Width;
height = (uint)myContext.Height;
pitches = (uint)myContext.Stride;
lines = (uint)myContext.Height;
myBitmapSectionPointer = Win32Interop.CreateFileMapping(new IntPtr(-1), IntPtr.Zero, Win32Interop.PageAccess.ReadWrite, 0, myContext.Size, null);
opaque = Win32Interop.MapViewOfFile(myBitmapSectionPointer, Win32Interop.FileMapAccess.AllAccess, 0, 0, (uint)myContext.Size);
Dispatcher.Invoke((Action)(() =>
{
myBitmap = (InteropBitmap)Imaging.CreateBitmapSourceFromMemorySection(myBitmapSectionPointer, myContext.Width, myContext.Height, myContext.PixelFormat, myContext.Stride, 0);
VideoSource = myBitmap;
VideoBrush.ImageSource = myBitmap;
}));
return 1;
}
private void VideoCleanup(IntPtr opaque)
{
myBitmap = null;
Win32Interop.UnmapViewOfFile(opaque);
Win32Interop.CloseHandle(myBitmapSectionPointer);
}
public VideoDisplayContext(int width, int height, PixelFormat format)
{
Size = width * height * format.BitsPerPixel / 8;
Width = width;
Height = height;
PixelFormat = format;
Stride = width * format.BitsPerPixel / 8;
FileMapping = Win32Api.CreateFileMapping(new IntPtr(-1), IntPtr.Zero, PageAccess.ReadWrite, 0, Size, null);
MapView = Win32Api.MapViewOfFile(FileMapping, FileMapAccess.AllAccess, 0, 0, (uint)Size);
Application.Current.Dispatcher.Invoke(new Action(() =>
{
Image = (InteropBitmap)Imaging.CreateBitmapSourceFromMemorySection(FileMapping, Width, Height, PixelFormat, Stride, 0);
}));
}
public void Dispose(bool disposing)
{
if (_disposed) return;
Size = 0;
Width = 0;
Height = 0;
PixelFormat = PixelFormats.Default;
Stride = 0;
Image = null;
Win32Api.UnmapViewOfFile(MapView);
Win32Api.CloseHandle(FileMapping);
FileMapping = MapView = IntPtr.Zero;
_disposed = true;
}
internal void Refresh(bool invalidate)
{
#if DIRECTX2D
if (RenderingMode == RenderingMode.DirectX2D)
InitializeDirectX();
#endif
switch (RenderingMode)
{
#if WPF
case RenderingMode.GDIRendering:
if (this.InteropBitmap != null && this.GDIGraphics != null)
{
this.GDIGraphics.Dispose();
this.GDIGraphics = null;
this.InteropBitmap = null;
GC.Collect();
}
break;
case RenderingMode.WritableBitmap:
if (this.WritableBitmap != null && this.WritableBitmapGraphics != null)
{
this.WritableBitmapGraphics.Dispose();
this.WritableBitmapGraphics = null;
this.WritableBitmap = null;
GC.Collect();
}
break;
#endif
case RenderingMode.Default:
break;
default:
break;
}
Initialize();
if (!_isIntialized || invalidate)
GenerateConatiners();
else
UpdateContainers();
if (this.XAxis != null)
{
this.XAxis.MMinValue = 0;
this.XAxis.MMaxValue = 1;
this.XAxis.CalculateIntervalFromSeriesPoints();
this.XAxis.Refresh();
}
if (this.YAxis != null)
{
this.YAxis.MMinValue = 0;
this.YAxis.MMaxValue = 1;
this.YAxis.CalculateIntervalFromSeriesPoints();
this.YAxis.Refresh();
}
if (this.Series != null)
{
foreach (SeriesBase series in this.Series)
{
if (Containers.Count > 0 && (this.Series.Count == Containers.Count))
series.SeriesContainer = Containers[series.Index];
series.Refresh();
}
}
}
private object SetBitmapHelper(BitmapInfo bitmapInfo, InteropBitmap bitmap, Action<InteropBitmap> imageSourceSetter)
{
if (bitmap == null)
{
imageSourceSetter(null);
GC.Collect(1);
var stride = bitmapInfo.Width * BytesPerPixel;
bitmap = (InteropBitmap)Imaging.CreateBitmapSourceFromMemorySection(bitmapInfo.FileMappingHandle,
bitmapInfo.Width, bitmapInfo.Height, PixelFormat, stride, 0);
imageSourceSetter(bitmap);
}
bitmap.Invalidate();
return bitmap;
}
public bool Create(Guid cameraGuid)
{
int w = 0, h = 0;
_camera = CLEyeCreateCamera(cameraGuid, ColorMode, Resolution, Framerate);
if (_camera == IntPtr.Zero) return false;
CLEyeCameraGetFrameDimensions(_camera, ref w, ref h);
if (ColorMode == CLEyeCameraColorMode.CLEYE_COLOR_PROCESSED || ColorMode == CLEyeCameraColorMode.CLEYE_COLOR_RAW)
{
uint imageSize = (uint)w * (uint)h * 4;
// create memory section and map
_section = CreateFileMapping(new IntPtr(-1), IntPtr.Zero, 0x04, 0, imageSize, null);
_map = MapViewOfFile(_section, 0xF001F, 0, 0, imageSize);
BitmapSource = Imaging.CreateBitmapSourceFromMemorySection(_section, w, h, PixelFormats.Bgr32, w * 4, 0) as InteropBitmap;
}
else
{
uint imageSize = (uint)w * (uint)h;
// create memory section and map
_section = CreateFileMapping(new IntPtr(-1), IntPtr.Zero, 0x04, 0, imageSize, null);
_map = MapViewOfFile(_section, 0xF001F, 0, 0, imageSize);
BitmapSource = Imaging.CreateBitmapSourceFromMemorySection(_section, w, h, PixelFormats.Gray8, w, 0) as InteropBitmap;
}
// Invoke event
if (BitmapReady != null) BitmapReady(this, null);
BitmapSource.Invalidate();
return true;
}
/// <summary>
/// Initializes this instance.
/// </summary>
internal void Initialize()
{
#if WPF && !PUPLISH
if (ActualHeight > 1 && ActualWidth > 1)
{
switch (RenderingMode)
{
case RenderingMode.GDIRendering:
uint byteCount = (uint)(ActualWidth * ActualHeight * bpp);
//Allocate and create the InteropBitmap
var fileMappingPointer = CreateFileMapping(new IntPtr(-1), IntPtr.Zero, PageReadwrite, 0, byteCount, null);
this.MapViewPointer = MapViewOfFile(fileMappingPointer, FileMapAllAccess, 0, 0, byteCount);
var format = PixelFormats.Bgra32;
var stride = (int)((int)ActualWidth * (int)format.BitsPerPixel / 8);
this.InteropBitmap = Imaging.CreateBitmapSourceFromMemorySection(fileMappingPointer,
(int)ActualWidth,
(int)ActualHeight,
format,
stride,
0) as InteropBitmap;
this.GDIGraphics = GetGdiGraphics(MapViewPointer);
break;
case RenderingMode.WritableBitmap:
//Allocate and create the WritableBitmap
WritableBitmap = new WriteableBitmap((int)ActualWidth, (int)ActualHeight, 96, 96, PixelFormats.Bgra32, null);
ImageBitmap = new Bitmap((int)ActualWidth, (int)ActualHeight, ((int)ActualWidth * 4), System.Drawing.Imaging.PixelFormat.Format32bppPArgb, WritableBitmap.BackBuffer);
WritableBitmapGraphics = System.Drawing.Graphics.FromImage(ImageBitmap);
WritableBitmapGraphics.CompositingMode = this.CompositingMode.AsDrawingCompositingMode();
WritableBitmapGraphics.CompositingQuality = this.CompositingQuality.AsDrawingCompositingQuality();
WritableBitmapGraphics.SmoothingMode = this.SmoothingMode.AsDrawingSmoothingMode();
break;
default:
break;
}
Clear();
this.IsBitmapInitialized = true;
}
#endif
}
// creates interop bitmap
private void CreateBitmap()
{
if (map != null)
{
// byte count
uint byteCount = (uint)(map.X * map.Y * PixelFormats.Bgr32.BitsPerPixel / 8);
// allocate memory
var sectionPointer = CreateFileMapping(new IntPtr(-1), IntPtr.Zero, PAGE_READWRITE, 0, byteCount, null);
mapPointer = MapViewOfFile(sectionPointer, FILE_MAP_ALL_ACCESS, 0, 0, byteCount);
//byte[] pixels = new byte[byteCount];
//Marshal.Copy(pixels, 0, mapPointer, (int)byteCount);
// create the interopBitmap
interopBitmap = Imaging.CreateBitmapSourceFromMemorySection(sectionPointer, map.X, map.Y, PixelFormats.Bgr32, (int)(map.X * PixelFormats.Bgr32.BitsPerPixel / 8), 0) as InteropBitmap;
SetImage();
}
}
public override void ClearBitmap()
{
InteropBitmap = null;
}
private void DestroyBitmap()
{
_interopBitmap = null;
if (_hDC != IntPtr.Zero) {
NativeMethods.DeleteObject(_hDC);
_hDC = IntPtr.Zero;
}
if (_hBitmap != IntPtr.Zero) {
NativeMethods.DeleteObject(_hBitmap);
_hBitmap = IntPtr.Zero;
}
_pBits = IntPtr.Zero;
if (_hSection != IntPtr.Zero) {
NativeMethods.CloseHandle(_hSection);
_hSection = IntPtr.Zero;
}
_stride = 0;
_bitmapWidth = 0;
_bitmapHeight = 0;
}
private void CreateBitmap(int width, int height)
{
Debug.Assert(_hSection == IntPtr.Zero);
Debug.Assert(_hBitmap == IntPtr.Zero);
Debug.Assert(_interopBitmap == null);
if (width == 0 || height == 0) return;
_stride = (width * _format.BitsPerPixel + 7) / 8;
int size = height * _stride;
_hSection = NativeMethods.CreateFileMapping(
PAGE.READWRITE,
SEC.NONE,
0,
(uint)size,
null);
BITMAPINFO bmi = new BITMAPINFO();
bmi.biSize = Marshal.SizeOf(bmi);
bmi.biWidth = width;
bmi.biHeight = -height; // top-down
bmi.biPlanes = 1;
bmi.biBitCount = 32;
bmi.biCompression = BI.RGB;
IntPtr hdcScreen = NativeMethods.GetDC(HWND.NULL);
_hBitmap = NativeMethods.CreateDIBSection(
hdcScreen,
ref bmi,
DIB.RGB_COLORS,
out _pBits,
_hSection,
0);
// TODO: probably don't need a new DC every time...
_hDC = NativeMethods.CreateCompatibleDC(hdcScreen);
NativeMethods.SelectObject(_hDC, _hBitmap);
_interopBitmap = System.Windows.Interop.Imaging.CreateBitmapSourceFromMemorySection(
_hSection,
width,
height,
_format,
_stride,
0) as InteropBitmap;
_bitmapWidth = width;
_bitmapHeight = height;
}
private void CopyCommon(InteropBitmap sourceBitmapSource)
{
// Avoid Animatable requesting resource updates for invalidations that occur during construction
Animatable_IsResourceInvalidationNecessary = false;
_unmanagedSource = sourceBitmapSource._unmanagedSource;
_sourceRect = sourceBitmapSource._sourceRect;
_sizeOptions = sourceBitmapSource._sizeOptions;
InitFromWICSource(sourceBitmapSource.WicSourceHandle);
// The next invalidation will cause Animatable to register an UpdateResource callback
Animatable_IsResourceInvalidationNecessary = true;
}
