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path: root/Software/Visual_Studio/MachineStudio/Modules/Tango.MachineStudio.Logging/Tango.MachineStudio.Logging.csproj
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> #endif /// <summary> /// The Bitmap /// </summary> internal WriteableBitmap WriteableBitmap { get { return _writeableBitmap; } } /// <summary> /// Width of the bitmap /// </summary> internal int Width { get { return _writeableBitmap.PixelWidth; } } /// <summary> /// Height of the bitmap /// </summary> internal int Height { get { return _writeableBitmap.PixelHeight; } } /// <summary> /// Creates an instance of a BitmapContext, with default mode = ReadWrite /// </summary> /// <param name="writeableBitmap"></param> internal BitmapContext(WriteableBitmap writeableBitmap) : this(writeableBitmap, ReadWriteMode.ReadWrite) { } /// <summary> /// Creates an instance of a BitmapContext, with specified ReadWriteMode /// </summary> /// <param name="writeableBitmap"></param> /// <param name="mode"></param> internal BitmapContext(WriteableBitmap writeableBitmap, ReadWriteMode mode) { _writeableBitmap = writeableBitmap; _mode = mode; _pixelWidth = _writeableBitmap.PixelWidth; _pixelHeight = _writeableBitmap.PixelHeight; #if WPF //// Check if it's the Pbgra32 pixel format //if (writeableBitmap.Format != PixelFormats.Pbgra32) //{ // throw new ArgumentException("The input WriteableBitmap needs to have the Pbgra32 pixel format. Use the BitmapFactory.ConvertToPbgra32Format method to automatically convert any input BitmapSource to the right format accepted by this class.", "writeableBitmap"); //} double width = _writeableBitmap.BackBufferStride / WriteableBitmapExtensions.SizeOfArgb; _length = (int)(width * _pixelHeight); lock (UpdateCountByBmp) { // Ensure the bitmap is in the dictionary of mapped Instances if (!UpdateCountByBmp.ContainsKey(writeableBitmap)) { // Set UpdateCount to 1 for this bitmap UpdateCountByBmp.Add(writeableBitmap, 1); // Lock the bitmap writeableBitmap.Lock(); } else { // For previously contextualized bitmaps increment the update count IncrementRefCount(writeableBitmap); } } _backBuffer = (int*)writeableBitmap.BackBuffer; #elif NETFX_CORE // Ensure the bitmap is in the dictionary of mapped Instances if (!UpdateCountByBmp.ContainsKey(_writeableBitmap)) { // Set UpdateCount to 1 for this bitmap UpdateCountByBmp.Add(_writeableBitmap, 1); length = _writeableBitmap.PixelWidth * _writeableBitmap.PixelHeight; pixels = new int[length]; CopyPixels(); PixelCacheByBmp.Add(_writeableBitmap, pixels); } else { // For previously contextualized bitmaps increment the update count IncrementRefCount(_writeableBitmap); pixels = PixelCacheByBmp[_writeableBitmap]; length = pixels.Length; } #endif } #if NETFX_CORE private unsafe void CopyPixels() { var data = _writeableBitmap.PixelBuffer.ToArray(); fixed (byte* srcPtr = data) { fixed (int* dstPtr = pixels) { for (var i = 0; i < length; i++) { dstPtr[i] = (srcPtr[i * 4 + 3] << 24) | (srcPtr[i * 4 + 2] << 16) | (srcPtr[i * 4 + 1] << 8) | srcPtr[i * 4 + 0]; } } } } #endif #if SILVERLIGHT /// <summary> /// Gets the Pixels array /// </summary> internal int[] Pixels { get { return _writeableBitmap.Pixels; } } /// <summary> /// Gets the length of the Pixels array /// </summary> internal int Length { get { return _writeableBitmap.Pixels.Length; } } /// <summary> /// Performs a Copy operation from source BitmapContext to destination BitmapContext /// </summary> /// <remarks>Equivalent to calling Buffer.BlockCopy in Silverlight, or native memcpy in WPF</remarks> internal static void BlockCopy(BitmapContext src, int srcOffset, BitmapContext dest, int destOffset, int count) { Buffer.BlockCopy(src.Pixels, srcOffset, dest.Pixels, destOffset, count); } /// <summary> /// Performs a Copy operation from source Array to destination BitmapContext /// </summary> /// <remarks>Equivalent to calling Buffer.BlockCopy in Silverlight, or native memcpy in WPF</remarks> internal static void BlockCopy(Array src, int srcOffset, BitmapContext dest, int destOffset, int count) { Buffer.BlockCopy(src, srcOffset, dest.Pixels, destOffset, count); } /// <summary> /// Performs a Copy operation from source BitmapContext to destination Array /// </summary> /// <remarks>Equivalent to calling Buffer.BlockCopy in Silverlight, or native memcpy in WPF</remarks> internal static void BlockCopy(BitmapContext src, int srcOffset, Array dest, int destOffset, int count) { Buffer.BlockCopy(src.Pixels, srcOffset, dest, destOffset, count); } /// <summary> /// Clears the BitmapContext, filling the underlying bitmap with zeros /// </summary> internal void Clear() { var pixels = _writeableBitmap.Pixels; Array.Clear(pixels, 0, pixels.Length); } /// <summary> /// Disposes this instance if the underlying platform needs that. /// </summary> internal void Dispose() { // For silverlight, do nothing except redraw _writeableBitmap.Invalidate(); } #elif NETFX_CORE /// <summary> /// Gets the Pixels array /// </summary> internal int[] Pixels { get { return pixels; } } /// <summary> /// Gets the length of the Pixels array /// </summary> internal int Length { get { return length; } } /// <summary> /// Performs a Copy operation from source BitmapContext to destination BitmapContext /// </summary> /// <remarks>Equivalent to calling Buffer.BlockCopy in Silverlight, or native memcpy in WPF</remarks> internal static void BlockCopy(BitmapContext src, int srcOffset, BitmapContext dest, int destOffset, int count) { Buffer.BlockCopy(src.Pixels, srcOffset, dest.Pixels, destOffset, count); } /// <summary> /// Performs a Copy operation from source Array to destination BitmapContext /// </summary> /// <remarks>Equivalent to calling Buffer.BlockCopy in Silverlight, or native memcpy in WPF</remarks> internal static void BlockCopy(Array src, int srcOffset, BitmapContext dest, int destOffset, int count) { Buffer.BlockCopy(src, srcOffset, dest.Pixels, destOffset, count); } /// <summary> /// Performs a Copy operation from source BitmapContext to destination Array /// </summary> /// <remarks>Equivalent to calling Buffer.BlockCopy in Silverlight, or native memcpy in WPF</remarks> internal static void BlockCopy(BitmapContext src, int srcOffset, Array dest, int destOffset, int count) { Buffer.BlockCopy(src.Pixels, srcOffset, dest, destOffset, count); } /// <summary> /// Clears the BitmapContext, filling the underlying bitmap with zeros /// </summary> internal void Clear() { var pixels = Pixels; Array.Clear(pixels, 0, pixels.Length); } /// <summary> /// Disposes this instance if the underlying platform needs that. /// </summary> internal unsafe void Dispose() { // Decrement the update count. If it hits zero if (DecrementRefCount(_writeableBitmap) == 0) { // Remove this bitmap from the update map UpdateCountByBmp.Remove(_writeableBitmap); PixelCacheByBmp.Remove(_writeableBitmap); // Copy data back if (_mode == ReadWriteMode.ReadWrite) { using (var stream = _writeableBitmap.PixelBuffer.AsStream()) { var buffer = new byte[length * 4]; fixed (int* srcPtr = pixels) { var b = 0; for (var i = 0; i < length; i++, b += 4) { var p = srcPtr[i]; buffer[b + 3] = (byte)((p >> 24) & 0xff); buffer[b + 2] = (byte)((p >> 16) & 0xff); buffer[b + 1] = (byte)((p >> 8) & 0xff); buffer[b + 0] = (byte)(p & 0xff); } stream.Write(buffer, 0, length * 4); } } _writeableBitmap.Invalidate(); } } } #elif WPF /// <summary> /// The pixels as ARGB integer values, where each channel is 8 bit. /// </summary> internal unsafe int* Pixels { [System.Runtime.TargetedPatchingOptOut("Candidate for inlining across NGen boundaries for performance reasons")] get { return _backBuffer; } } /// <summary> /// The pixel format /// </summary> internal PixelFormat Format { [System.Runtime.TargetedPatchingOptOut("Candidate for inlining across NGen boundaries for performance reasons")] get { return _writeableBitmap.Format; } } /// <summary> /// The number of pixels. /// </summary> internal int Length { [System.Runtime.TargetedPatchingOptOut("Candidate for inlining across NGen boundaries for performance reasons")] get { return _length; } } /// <summary> /// Performs a Copy operation from source to destination BitmapContext /// </summary> /// <remarks>Equivalent to calling Buffer.BlockCopy in Silverlight, or native memcpy in WPF</remarks> [System.Runtime.TargetedPatchingOptOut("Candidate for inlining across NGen boundaries for performance reasons")] internal static unsafe void BlockCopy(BitmapContext src, int srcOffset, BitmapContext dest, int destOffset, int count) { NativeMethods.CopyUnmanagedMemory((byte*)src.Pixels, srcOffset, (byte*)dest.Pixels, destOffset, count); } /// <summary> /// Performs a Copy operation from source Array to destination BitmapContext /// </summary> /// <remarks>Equivalent to calling Buffer.BlockCopy in Silverlight, or native memcpy in WPF</remarks> [System.Runtime.TargetedPatchingOptOut("Candidate for inlining across NGen boundaries for performance reasons")] internal static unsafe void BlockCopy(int[] src, int srcOffset, BitmapContext dest, int destOffset, int count) { fixed (int* srcPtr = src) { NativeMethods.CopyUnmanagedMemory((byte*)srcPtr, srcOffset, (byte*)dest.Pixels, destOffset, count); } } /// <summary> /// Performs a Copy operation from source Array to destination BitmapContext /// </summary> /// <remarks>Equivalent to calling Buffer.BlockCopy in Silverlight, or native memcpy in WPF</remarks> [System.Runtime.TargetedPatchingOptOut("Candidate for inlining across NGen boundaries for performance reasons")] internal static unsafe void BlockCopy(byte[] src, int srcOffset, BitmapContext dest, int destOffset, int count) { fixed (byte* srcPtr = src) { NativeMethods.CopyUnmanagedMemory(srcPtr, srcOffset, (byte*)dest.Pixels, destOffset, count); } } /// <summary> /// Performs a Copy operation from source BitmapContext to destination Array /// </summary> /// <remarks>Equivalent to calling Buffer.BlockCopy in Silverlight, or native memcpy in WPF</remarks> [System.Runtime.TargetedPatchingOptOut("Candidate for inlining across NGen boundaries for performance reasons")] internal static unsafe void BlockCopy(BitmapContext src, int srcOffset, byte[] dest, int destOffset, int count) { fixed (byte* destPtr = dest) { NativeMethods.CopyUnmanagedMemory((byte*)src.Pixels, srcOffset, destPtr, destOffset, count); } } /// <summary> /// Performs a Copy operation from source BitmapContext to destination Array /// </summary> /// <remarks>Equivalent to calling Buffer.BlockCopy in Silverlight, or native memcpy in WPF</remarks> [System.Runtime.TargetedPatchingOptOut("Candidate for inlining across NGen boundaries for performance reasons")] internal static unsafe void BlockCopy(BitmapContext src, int srcOffset, int[] dest, int destOffset, int count) { fixed (int* destPtr = dest) { NativeMethods.CopyUnmanagedMemory((byte*)src.Pixels, srcOffset, (byte*)destPtr, destOffset, count); } } /// <summary> /// Clears the BitmapContext, filling the underlying bitmap with zeros /// </summary> [System.Runtime.TargetedPatchingOptOut("Candidate for inlining across NGen boundaries for performance reasons")] internal void Clear() { NativeMethods.SetUnmanagedMemory(_writeableBitmap.BackBuffer, 0, _writeableBitmap.BackBufferStride * _writeableBitmap.PixelHeight); } /// <summary> /// Disposes the BitmapContext, unlocking it and invalidating if WPF /// </summary> public void Dispose() { // Decrement the update count. If it hits zero if (DecrementRefCount(_writeableBitmap) == 0) { // Remove this bitmap from the update map UpdateCountByBmp.Remove(_writeableBitmap); // Invalidate the bitmap if ReadWrite _mode if (_mode == ReadWriteMode.ReadWrite) { _writeableBitmap.AddDirtyRect(new Int32Rect(0, 0, _writeableBitmap.PixelWidth, _writeableBitmap.PixelHeight)); } // Unlock the bitmap _writeableBitmap.Unlock(); } } #endif #if WPF || NETFX_CORE private static void IncrementRefCount(WriteableBitmap target) { UpdateCountByBmp[target]++; } private static int DecrementRefCount(WriteableBitmap target) { int current; if (!UpdateCountByBmp.TryGetValue(target, out current)) { return -1; } current--; UpdateCountByBmp[target] = current; return current; } #endif } }