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| author | Roy Ben-Shabat <Roy@Twine-s.com> | 2018-01-16 12:17:10 +0200 |
|---|---|---|
| committer | Roy Ben-Shabat <Roy@Twine-s.com> | 2018-01-16 12:17:10 +0200 |
| commit | 0fda2ba3ff49bdc1ffc6833f658e2164af187008 (patch) | |
| tree | 6f3a24d0671ebda50debb8511ab40e0bda0a0df0 /Software/Visual_Studio/SideChains/RealTimeGraphEx/WriteableBitmap/WriteableBitmapBaseExtensions.cs | |
| parent | 28103646681686bf1b58275d5dbccb92d2b26f9f (diff) | |
| download | Tango-0fda2ba3ff49bdc1ffc6833f658e2164af187008.tar.gz Tango-0fda2ba3ff49bdc1ffc6833f658e2164af187008.zip | |
Embedded RealTimeGraphEx library to solution.
Added graphs to technician view.
Implemented simple sensors data test using Machine Emulator.
Diffstat (limited to 'Software/Visual_Studio/SideChains/RealTimeGraphEx/WriteableBitmap/WriteableBitmapBaseExtensions.cs')
| -rw-r--r-- | Software/Visual_Studio/SideChains/RealTimeGraphEx/WriteableBitmap/WriteableBitmapBaseExtensions.cs | 480 |
1 files changed, 480 insertions, 0 deletions
diff --git a/Software/Visual_Studio/SideChains/RealTimeGraphEx/WriteableBitmap/WriteableBitmapBaseExtensions.cs b/Software/Visual_Studio/SideChains/RealTimeGraphEx/WriteableBitmap/WriteableBitmapBaseExtensions.cs new file mode 100644 index 000000000..a4fe799f2 --- /dev/null +++ b/Software/Visual_Studio/SideChains/RealTimeGraphEx/WriteableBitmap/WriteableBitmapBaseExtensions.cs @@ -0,0 +1,480 @@ +#region Header +// +// Project: WriteableBitmapEx - WriteableBitmap extensions +// Description: Collection of extension methods for the WriteableBitmap class. +// +// Changed by: $Author: unknown $ +// Changed on: $Date: 2015-03-05 18:18:24 +0100 (Do, 05 Mrz 2015) $ +// Changed in: $Revision: 113191 $ +// Project: $URL: https://writeablebitmapex.svn.codeplex.com/svn/trunk/Source/WriteableBitmapEx/WriteableBitmapBaseExtensions.cs $ +// Id: $Id: WriteableBitmapBaseExtensions.cs 113191 2015-03-05 17:18:24Z unknown $ +// +// +// Copyright © 2009-2015 Rene Schulte and WriteableBitmapEx Contributors +// +// This code is open source. Please read the License.txt for details. No worries, we won't sue you! ;) +// +#endregion + +using System; + +#if NETFX_CORE +namespace Windows.UI.Xaml.Media.Imaging +#else +namespace System.Windows.Media.Imaging +#endif +{ + /// <summary> + /// Collection of extension methods for the WriteableBitmap class. + /// </summary> + internal +#if WPF + unsafe +#endif + static partial class WriteableBitmapExtensions + { + #region Fields + + internal const int SizeOfArgb = 4; + + #endregion + + #region Methods + + #region General + + internal static int ConvertColor(double opacity, Color color) + { + if (opacity < 0.0 || opacity > 1.0) + { + throw new ArgumentOutOfRangeException("opacity", "Opacity must be between 0.0 and 1.0"); + } + + color.A = (byte)(color.A * opacity); + + return ConvertColor(color); + } + + internal static int ConvertColor(Color color) + { + var col = 0; + + if (color.A != 0) + { + var a = color.A + 1; + col = (color.A << 24) + | ((byte)((color.R * a) >> 8) << 16) + | ((byte)((color.G * a) >> 8) << 8) + | ((byte)((color.B * a) >> 8)); + } + + return col; + } + + /// <summary> + /// Fills the whole WriteableBitmap with a color. + /// </summary> + /// <param name="bmp">The WriteableBitmap.</param> + /// <param name="color">The color used for filling.</param> + internal static void Clear(this WriteableBitmap bmp, Color color) + { + var col = ConvertColor(color); + using (var context = bmp.GetBitmapContext()) + { + var pixels = context.Pixels; + var w = context.Width; + var h = context.Height; + var len = w * SizeOfArgb; + + // Fill first line + for (var x = 0; x < w; x++) + { + pixels[x] = col; + } + + // Copy first line + var blockHeight = 1; + var y = 1; + while (y < h) + { + BitmapContext.BlockCopy(context, 0, context, y * len, blockHeight * len); + y += blockHeight; + blockHeight = Math.Min(2 * blockHeight, h - y); + } + } + } + + /// <summary> + /// Fills the whole WriteableBitmap with an empty color (0). + /// </summary> + /// <param name="bmp">The WriteableBitmap.</param> + internal static void Clear(this WriteableBitmap bmp) + { + using (var context = bmp.GetBitmapContext()) + { + context.Clear(); + } + } + + /// <summary> + /// Clones the specified WriteableBitmap. + /// </summary> + /// <param name="bmp">The WriteableBitmap.</param> + /// <returns>A copy of the WriteableBitmap.</returns> + internal static WriteableBitmap Clone(this WriteableBitmap bmp) + { + using (var srcContext = bmp.GetBitmapContext(ReadWriteMode.ReadOnly)) + { + var result = BitmapFactory.New(srcContext.Width, srcContext.Height); + using (var destContext = result.GetBitmapContext()) + { + BitmapContext.BlockCopy(srcContext, 0, destContext, 0, srcContext.Length * SizeOfArgb); + } + return result; + } + } + + #endregion + + #region ForEach + + /// <summary> + /// Applies the given function to all the pixels of the bitmap in + /// order to set their color. + /// </summary> + /// <param name="bmp">The WriteableBitmap.</param> + /// <param name="func">The function to apply. With parameters x, y and a color as a result</param> + internal static void ForEach(this WriteableBitmap bmp, Func<int, int, Color> func) + { + using (var context = bmp.GetBitmapContext()) + { + var pixels = context.Pixels; + int w = context.Width; + int h = context.Height; + int index = 0; + + for (int y = 0; y < h; y++) + { + for (int x = 0; x < w; x++) + { + var color = func(x, y); + pixels[index++] = ConvertColor(color); + } + } + } + } + + /// <summary> + /// Applies the given function to all the pixels of the bitmap in + /// order to set their color. + /// </summary> + /// <param name="bmp">The WriteableBitmap.</param> + /// <param name="func">The function to apply. With parameters x, y, source color and a color as a result</param> + internal static void ForEach(this WriteableBitmap bmp, Func<int, int, Color, Color> func) + { + using (var context = bmp.GetBitmapContext()) + { + var pixels = context.Pixels; + var w = context.Width; + var h = context.Height; + var index = 0; + + for (var y = 0; y < h; y++) + { + for (var x = 0; x < w; x++) + { + var c = pixels[index]; + + // Premultiplied Alpha! + var a = (byte)(c >> 24); + // Prevent division by zero + int ai = a; + if (ai == 0) + { + ai = 1; + } + // Scale inverse alpha to use cheap integer mul bit shift + ai = ((255 << 8) / ai); + var srcColor = Color.FromArgb(a, + (byte)((((c >> 16) & 0xFF) * ai) >> 8), + (byte)((((c >> 8) & 0xFF) * ai) >> 8), + (byte)((((c & 0xFF) * ai) >> 8))); + + var color = func(x, y, srcColor); + pixels[index++] = ConvertColor(color); + } + } + } + } + + #endregion + + #region Get Pixel / Brightness + + /// <summary> + /// Gets the color of the pixel at the x, y coordinate as integer. + /// For best performance this method should not be used in iterative real-time scenarios. Implement the code directly inside a loop. + /// </summary> + /// <param name="bmp">The WriteableBitmap.</param> + /// <param name="x">The x coordinate of the pixel.</param> + /// <param name="y">The y coordinate of the pixel.</param> + /// <returns>The color of the pixel at x, y.</returns> + internal static int GetPixeli(this WriteableBitmap bmp, int x, int y) + { + using (var context = bmp.GetBitmapContext()) + { + return context.Pixels[y * context.Width + x]; + } + } + + /// <summary> + /// Gets the color of the pixel at the x, y coordinate as a Color struct. + /// For best performance this method should not be used in iterative real-time scenarios. Implement the code directly inside a loop. + /// </summary> + /// <param name="bmp">The WriteableBitmap.</param> + /// <param name="x">The x coordinate of the pixel.</param> + /// <param name="y">The y coordinate of the pixel.</param> + /// <returns>The color of the pixel at x, y as a Color struct.</returns> + internal static Color GetPixel(this WriteableBitmap bmp, int x, int y) + { + using (var context = bmp.GetBitmapContext()) + { + var c = context.Pixels[y * context.Width + x]; + var a = (byte)(c >> 24); + + // Prevent division by zero + int ai = a; + if (ai == 0) + { + ai = 1; + } + + // Scale inverse alpha to use cheap integer mul bit shift + ai = ((255 << 8) / ai); + return Color.FromArgb(a, + (byte)((((c >> 16) & 0xFF) * ai) >> 8), + (byte)((((c >> 8) & 0xFF) * ai) >> 8), + (byte)((((c & 0xFF) * ai) >> 8))); + } + } + + /// <summary> + /// Gets the brightness / luminance of the pixel at the x, y coordinate as byte. + /// </summary> + /// <param name="bmp">The WriteableBitmap.</param> + /// <param name="x">The x coordinate of the pixel.</param> + /// <param name="y">The y coordinate of the pixel.</param> + /// <returns>The brightness of the pixel at x, y.</returns> + internal static byte GetBrightness(this WriteableBitmap bmp, int x, int y) + { + using (var context = bmp.GetBitmapContext(ReadWriteMode.ReadOnly)) + { + // Extract color components + var c = context.Pixels[y * context.Width + x]; + var r = (byte)(c >> 16); + var g = (byte)(c >> 8); + var b = (byte)(c); + + // Convert to gray with constant factors 0.2126, 0.7152, 0.0722 + return (byte)((r * 6966 + g * 23436 + b * 2366) >> 15); + } + } + + #endregion + + #region SetPixel + + #region Without alpha + + /// <summary> + /// Sets the color of the pixel using a precalculated index (faster). + /// For best performance this method should not be used in iterative real-time scenarios. Implement the code directly inside a loop. + /// </summary> + /// <param name="bmp">The WriteableBitmap.</param> + /// <param name="index">The coordinate index.</param> + /// <param name="r">The red value of the color.</param> + /// <param name="g">The green value of the color.</param> + /// <param name="b">The blue value of the color.</param> + internal static void SetPixeli(this WriteableBitmap bmp, int index, byte r, byte g, byte b) + { + using (var context = bmp.GetBitmapContext()) + { + context.Pixels[index] = (255 << 24) | (r << 16) | (g << 8) | b; + } + } + + /// <summary> + /// Sets the color of the pixel. + /// For best performance this method should not be used in iterative real-time scenarios. Implement the code directly inside a loop. + /// </summary> + /// <param name="bmp">The WriteableBitmap.</param> + /// <param name="x">The x coordinate (row).</param> + /// <param name="y">The y coordinate (column).</param> + /// <param name="r">The red value of the color.</param> + /// <param name="g">The green value of the color.</param> + /// <param name="b">The blue value of the color.</param> + internal static void SetPixel(this WriteableBitmap bmp, int x, int y, byte r, byte g, byte b) + { + using (var context = bmp.GetBitmapContext()) + { + context.Pixels[y * context.Width + x] = (255 << 24) | (r << 16) | (g << 8) | b; + } + } + + #endregion + + #region With alpha + + /// <summary> + /// Sets the color of the pixel including the alpha value and using a precalculated index (faster). + /// For best performance this method should not be used in iterative real-time scenarios. Implement the code directly inside a loop. + /// </summary> + /// <param name="bmp">The WriteableBitmap.</param> + /// <param name="index">The coordinate index.</param> + /// <param name="a">The alpha value of the color.</param> + /// <param name="r">The red value of the color.</param> + /// <param name="g">The green value of the color.</param> + /// <param name="b">The blue value of the color.</param> + internal static void SetPixeli(this WriteableBitmap bmp, int index, byte a, byte r, byte g, byte b) + { + using (var context = bmp.GetBitmapContext()) + { + context.Pixels[index] = (a << 24) | (r << 16) | (g << 8) | b; + } + } + + /// <summary> + /// Sets the color of the pixel including the alpha value. + /// For best performance this method should not be used in iterative real-time scenarios. Implement the code directly inside a loop. + /// </summary> + /// <param name="bmp">The WriteableBitmap.</param> + /// <param name="x">The x coordinate (row).</param> + /// <param name="y">The y coordinate (column).</param> + /// <param name="a">The alpha value of the color.</param> + /// <param name="r">The red value of the color.</param> + /// <param name="g">The green value of the color.</param> + /// <param name="b">The blue value of the color.</param> + internal static void SetPixel(this WriteableBitmap bmp, int x, int y, byte a, byte r, byte g, byte b) + { + using (var context = bmp.GetBitmapContext()) + { + context.Pixels[y * context.Width + x] = (a << 24) | (r << 16) | (g << 8) | b; + } + } + + #endregion + + #region With System.Windows.Media.Color + + /// <summary> + /// Sets the color of the pixel using a precalculated index (faster). + /// For best performance this method should not be used in iterative real-time scenarios. Implement the code directly inside a loop. + /// </summary> + /// <param name="bmp">The WriteableBitmap.</param> + /// <param name="index">The coordinate index.</param> + /// <param name="color">The color.</param> + internal static void SetPixeli(this WriteableBitmap bmp, int index, Color color) + { + using (var context = bmp.GetBitmapContext()) + { + context.Pixels[index] = ConvertColor(color); + } + } + + /// <summary> + /// Sets the color of the pixel. + /// For best performance this method should not be used in iterative real-time scenarios. Implement the code directly inside a loop. + /// </summary> + /// <param name="bmp">The WriteableBitmap.</param> + /// <param name="x">The x coordinate (row).</param> + /// <param name="y">The y coordinate (column).</param> + /// <param name="color">The color.</param> + internal static void SetPixel(this WriteableBitmap bmp, int x, int y, Color color) + { + using (var context = bmp.GetBitmapContext()) + { + context.Pixels[y * context.Width + x] = ConvertColor(color); + } + } + + /// <summary> + /// Sets the color of the pixel using an extra alpha value and a precalculated index (faster). + /// For best performance this method should not be used in iterative real-time scenarios. Implement the code directly inside a loop. + /// </summary> + /// <param name="bmp">The WriteableBitmap.</param> + /// <param name="index">The coordinate index.</param> + /// <param name="a">The alpha value of the color.</param> + /// <param name="color">The color.</param> + internal static void SetPixeli(this WriteableBitmap bmp, int index, byte a, Color color) + { + using (var context = bmp.GetBitmapContext()) + { + // Add one to use mul and cheap bit shift for multiplicaltion + var ai = a + 1; + context.Pixels[index] = (a << 24) + | ((byte)((color.R * ai) >> 8) << 16) + | ((byte)((color.G * ai) >> 8) << 8) + | ((byte)((color.B * ai) >> 8)); + } + } + + /// <summary> + /// Sets the color of the pixel using an extra alpha value. + /// For best performance this method should not be used in iterative real-time scenarios. Implement the code directly inside a loop. + /// </summary> + /// <param name="bmp">The WriteableBitmap.</param> + /// <param name="x">The x coordinate (row).</param> + /// <param name="y">The y coordinate (column).</param> + /// <param name="a">The alpha value of the color.</param> + /// <param name="color">The color.</param> + internal static void SetPixel(this WriteableBitmap bmp, int x, int y, byte a, Color color) + { + using (var context = bmp.GetBitmapContext()) + { + // Add one to use mul and cheap bit shift for multiplicaltion + var ai = a + 1; + context.Pixels[y * context.Width + x] = (a << 24) + | ((byte)((color.R * ai) >> 8) << 16) + | ((byte)((color.G * ai) >> 8) << 8) + | ((byte)((color.B * ai) >> 8)); + } + } + + /// <summary> + /// Sets the color of the pixel using a precalculated index (faster). + /// For best performance this method should not be used in iterative real-time scenarios. Implement the code directly inside a loop. + /// </summary> + /// <param name="bmp">The WriteableBitmap.</param> + /// <param name="index">The coordinate index.</param> + /// <param name="color">The color.</param> + internal static void SetPixeli(this WriteableBitmap bmp, int index, int color) + { + using (var context = bmp.GetBitmapContext()) + { + context.Pixels[index] = color; + } + } + + /// <summary> + /// Sets the color of the pixel. + /// For best performance this method should not be used in iterative real-time scenarios. Implement the code directly inside a loop. + /// </summary> + /// <param name="bmp">The WriteableBitmap.</param> + /// <param name="x">The x coordinate (row).</param> + /// <param name="y">The y coordinate (column).</param> + /// <param name="color">The color.</param> + internal static void SetPixel(this WriteableBitmap bmp, int x, int y, int color) + { + using (var context = bmp.GetBitmapContext()) + { + context.Pixels[y * context.Width + x] = color; + } + } + + #endregion + + #endregion + + #endregion + } +}
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