mirror of
https://github.com/KillzXGaming/Switch-Toolbox
synced 2024-11-26 22:40:27 +00:00
591 lines
19 KiB
C#
591 lines
19 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows.Forms;
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using System.Drawing;
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using System.Drawing.Drawing2D;
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using System.Drawing.Imaging;
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using System.Runtime.InteropServices;
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namespace Switch_Toolbox.Library
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{
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public class BitmapExtension
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{
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public BitmapExtension()
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{
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}
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public static List<byte[]> GenerateMipMaps(Bitmap bitmap)
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{
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List<byte[]> datas = new List<byte[]>();
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datas.Add(ImageToByte(bitmap));
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while (bitmap.Width / 2 > 0 && bitmap.Height / 2 > 0)
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{
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bitmap = Resize(bitmap, bitmap.Width / 2, bitmap.Height / 2);
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datas.Add(ImageToByte(bitmap));
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}
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return datas;
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}
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public static Bitmap Resize(Image original, int width, int height)
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{
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return ResizeImage(original, width, height);
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// return new Bitmap(original, new Size(width, height));
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}
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public static Bitmap SwapBlueRedChannels(Image image)
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{
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Bitmap b = new Bitmap(image);
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BitmapData bmData = b.LockBits(new Rectangle(0, 0, b.Width, b.Height),
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ImageLockMode.ReadWrite, PixelFormat.Format32bppArgb);
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int stride = bmData.Stride;
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System.IntPtr Scan0 = bmData.Scan0;
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unsafe
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{
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byte* p = (byte*)(void*)Scan0;
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int nOffset = stride - b.Width * 4;
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byte red, green, blue, alpha;
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for (int y = 0; y < b.Height; ++y)
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{
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for (int x = 0; x < b.Width; ++x)
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{
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blue = p[0];
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green = p[1];
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red = p[2];
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alpha = p[3];
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p[0] = red;
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p[1] = green;
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p[2] = blue;
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p[3] = alpha;
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p += 4;
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}
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p += nOffset;
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}
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}
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b.UnlockBits(bmData);
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return b;
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}
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public static Bitmap ResizeImage(Image image, int width, int height,
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InterpolationMode interpolationMode = InterpolationMode.HighQualityBicubic,
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SmoothingMode smoothingMode = SmoothingMode.HighQuality)
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{
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if (width == 0) width = 1;
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if (height == 0) height = 1;
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var destRect = new Rectangle(0, 0, width, height);
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var destImage = new Bitmap(width, height);
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destImage.SetResolution(image.HorizontalResolution, image.VerticalResolution);
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using (var graphics = Graphics.FromImage(destImage))
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{
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graphics.CompositingMode = CompositingMode.SourceCopy;
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graphics.CompositingQuality = CompositingQuality.HighQuality;
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graphics.InterpolationMode = interpolationMode;
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graphics.SmoothingMode = smoothingMode;
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graphics.PixelOffsetMode = PixelOffsetMode.HighQuality;
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using (var wrapMode = new ImageAttributes())
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{
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wrapMode.SetWrapMode(WrapMode.TileFlipXY);
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graphics.DrawImage(image, destRect, 0, 0, image.Width, image.Height, GraphicsUnit.Pixel, wrapMode);
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}
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}
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return destImage;
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}
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public static Bitmap GetBitmap(byte[] Buffer, int Width, int Height, PixelFormat pixelFormat = PixelFormat.Format32bppArgb)
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{
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Rectangle Rect = new Rectangle(0, 0, Width, Height);
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Bitmap Img = new Bitmap(Width, Height, pixelFormat);
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BitmapData ImgData = Img.LockBits(Rect, ImageLockMode.WriteOnly, Img.PixelFormat);
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if (Buffer.Length > ImgData.Stride * Img.Height)
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throw new Exception($"Invalid Buffer Length ({Buffer.Length})!!!");
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Marshal.Copy(Buffer, 0, ImgData.Scan0, Buffer.Length);
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Img.UnlockBits(ImgData);
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return Img;
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}
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public static Bitmap SetChannel(Bitmap b,
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STChannelType channelR,
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STChannelType channelG,
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STChannelType channelB,
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STChannelType channelA)
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{
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BitmapData bmData = b.LockBits(new Rectangle(0, 0, b.Width, b.Height),
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ImageLockMode.ReadWrite, PixelFormat.Format32bppArgb);
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int stride = bmData.Stride;
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System.IntPtr Scan0 = bmData.Scan0;
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unsafe
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{
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byte* p = (byte*)(void*)Scan0;
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int nOffset = stride - b.Width * 4;
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byte red, green, blue, alpha;
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for (int y = 0; y < b.Height; ++y)
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{
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for (int x = 0; x < b.Width; ++x)
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{
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blue = p[0];
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green = p[1];
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red = p[2];
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alpha = p[3];
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p[2] = SetChannelByte(channelR, red, green, blue, alpha);
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p[1] = SetChannelByte(channelG, red, green, blue, alpha);
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p[0] = SetChannelByte(channelB, red, green, blue, alpha);
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p[3] = SetChannelByte(channelA, red, green, blue, alpha);
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p += 4;
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}
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p += nOffset;
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}
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}
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b.UnlockBits(bmData);
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return b;
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}
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private static byte SetChannelByte(STChannelType channel, byte r, byte g, byte b, byte a)
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{
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switch (channel) {
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case STChannelType.Red: return r;
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case STChannelType.Green: return g;
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case STChannelType.Blue: return b;
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case STChannelType.Alpha: return a;
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case STChannelType.One: return 255;
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case STChannelType.Zero: return 0;
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default:
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throw new Exception("Unknown channel type! " + channel);
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}
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}
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public static Bitmap ShowChannel(Bitmap b, STChannelType channel)
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{
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BitmapData bmData = b.LockBits(new Rectangle(0, 0, b.Width, b.Height),
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ImageLockMode.ReadWrite, PixelFormat.Format32bppArgb);
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int stride = bmData.Stride;
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System.IntPtr Scan0 = bmData.Scan0;
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unsafe
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{
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byte* p = (byte*)(void*)Scan0;
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int nOffset = stride - b.Width * 4;
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byte red, green, blue, alpha;
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for (int y = 0; y < b.Height; ++y)
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{
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for (int x = 0; x < b.Width; ++x)
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{
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blue = p[0];
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green = p[1];
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red = p[2];
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alpha = p[3];
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if (channel == STChannelType.Red)
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{
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p[0] = red;
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p[1] = red;
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p[2] = red;
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p[3] = 255;
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}
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else if (channel == STChannelType.Green)
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{
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p[0] = green;
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p[1] = green;
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p[2] = green;
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p[3] = 255;
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}
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else if (channel == STChannelType.Blue)
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{
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p[0] = blue;
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p[1] = blue;
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p[2] = blue;
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p[3] = 255;
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}
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else if (channel == STChannelType.Alpha)
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{
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p[0] = alpha;
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p[1] = alpha;
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p[2] = alpha;
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p[3] = 255;
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}
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p += 4;
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}
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p += nOffset;
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}
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}
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b.UnlockBits(bmData);
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return b;
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}
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public static bool SetChannels(Bitmap b, bool UseRed, bool UseBlue, bool UseGreen, bool UseAlpha)
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{
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BitmapData bmData = b.LockBits(new Rectangle(0, 0, b.Width, b.Height),
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ImageLockMode.ReadWrite, PixelFormat.Format32bppArgb);
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int stride = bmData.Stride;
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System.IntPtr Scan0 = bmData.Scan0;
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unsafe
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{
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byte* p = (byte*)(void*)Scan0;
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int nOffset = stride - b.Width * 4;
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byte red, green, blue, alpha;
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for (int y = 0; y < b.Height; ++y)
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{
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for (int x = 0; x < b.Width; ++x)
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{
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blue = p[0];
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green = p[1];
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red = p[2];
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alpha = p[3];
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if (!UseRed)
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red = 0;
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if (!UseGreen)
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green = 0;
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if (!UseBlue)
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blue = 0;
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if (!UseAlpha)
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alpha = 0;
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p[2] = red;
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p[1] = green;
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p[0] = blue;
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p[3] = alpha;
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p += 4;
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}
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p += nOffset;
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}
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}
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b.UnlockBits(bmData);
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return true;
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}
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public static Bitmap GrayScale(Image b) { return GrayScale(new Bitmap(b));
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}
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public static Bitmap GrayScale(Bitmap b)
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{
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BitmapData bmData = b.LockBits(new Rectangle(0, 0, b.Width, b.Height),
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ImageLockMode.ReadWrite, PixelFormat.Format32bppArgb);
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int stride = bmData.Stride;
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System.IntPtr Scan0 = bmData.Scan0;
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unsafe
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{
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byte* p = (byte*)(void*)Scan0;
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int nOffset = stride - b.Width * 4;
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byte red, green, blue, alpha;
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for (int y = 0; y < b.Height; ++y)
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{
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for (int x = 0; x < b.Width; ++x)
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{
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blue = p[0];
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green = p[1];
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red = p[2];
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alpha = p[3];
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p[0] = p[1] = p[2] = (byte)(.299 * red
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+ .587 * green
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+ .114 * blue);
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p += 4;
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}
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p += nOffset;
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}
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}
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b.UnlockBits(bmData);
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return b;
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}
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public static bool Invert(Bitmap b)
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{
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BitmapData bmData = b.LockBits(new Rectangle(0, 0, b.Width, b.Height),
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ImageLockMode.ReadWrite, PixelFormat.Format24bppRgb);
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int stride = bmData.Stride;
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System.IntPtr Scan0 = bmData.Scan0;
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unsafe
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{
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byte* p = (byte*)(void*)Scan0;
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int nOffset = stride - b.Width * 3;
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int nWidth = b.Width * 3;
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for (int y = 0; y < b.Height; ++y)
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{
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for (int x = 0; x < nWidth; ++x)
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{
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p[0] = (byte)(255 - p[0]);
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++p;
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}
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p += nOffset;
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}
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}
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b.UnlockBits(bmData);
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return true;
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}
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public static Bitmap HueStaturationBrightnessScale(Bitmap image,
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bool EditHue, bool EditSaturation, bool EditBrightness,
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float HueScale = 255, float SaturationScale = 0.5f, float BrightnessScale = 0.5f)
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{
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Bitmap b = new Bitmap(image);
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BitmapData bmData = b.LockBits(new Rectangle(0, 0, b.Width, b.Height),
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ImageLockMode.ReadWrite, PixelFormat.Format32bppArgb);
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int stride = bmData.Stride;
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System.IntPtr Scan0 = bmData.Scan0;
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unsafe
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{
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byte* pointer = (byte*)(void*)Scan0;
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int bytesPerPixel = 4;
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int nOffset = stride - b.Width * bytesPerPixel;
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byte red, green, blue, alpha;
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for (int y = 0; y < b.Height; ++y)
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{
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for (int x = 0; x < b.Width; ++x)
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{
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blue = pointer[0];
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green = pointer[1];
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red = pointer[2];
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alpha = pointer[3];
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double hue, sat, val;
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ColorToHSV(Color.FromArgb(alpha, red, green, blue), out hue, out sat, out val);
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var color = ColorFromHSV(hue * HueScale, sat * SaturationScale, val * BrightnessScale);
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pointer[2] = color.R;
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pointer[1] = color.G;
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pointer[0] = color.B;
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pointer[3] = alpha;
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pointer += bytesPerPixel;
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}
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pointer += nOffset;
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}
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}
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b.UnlockBits(bmData);
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return b;
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}
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public static void ColorToHSV(Color color, out double hue, out double saturation, out double value)
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{
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int max = Math.Max(color.R, Math.Max(color.G, color.B));
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int min = Math.Min(color.R, Math.Min(color.G, color.B));
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hue = color.GetHue();
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saturation = (max == 0) ? 0 : 1d - (1d * min / max);
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value = max / 255d;
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}
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public static Color ColorFromHSV(double hue, double saturation, double value)
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{
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int hi = Convert.ToInt32(Math.Floor(hue / 60)) % 6;
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double f = hue / 60 - Math.Floor(hue / 60);
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value = value * 255;
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int v = Convert.ToInt32(value);
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int p = Convert.ToInt32(value * (1 - saturation));
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int q = Convert.ToInt32(value * (1 - f * saturation));
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int t = Convert.ToInt32(value * (1 - (1 - f) * saturation));
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if (hi == 0)
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return Color.FromArgb(255, v, t, p);
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else if (hi == 1)
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return Color.FromArgb(255, q, v, p);
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else if (hi == 2)
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return Color.FromArgb(255, p, v, t);
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else if (hi == 3)
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return Color.FromArgb(255, p, q, v);
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else if (hi == 4)
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return Color.FromArgb(255, t, p, v);
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else
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return Color.FromArgb(255, v, p, q);
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}
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public static void RgbToHls(int r, int g, int b,
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out double h, out double l, out double s)
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{
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// Convert RGB to a 0.0 to 1.0 range.
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double double_r = r / 255.0;
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double double_g = g / 255.0;
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double double_b = b / 255.0;
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// Get the maximum and minimum RGB components.
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double max = double_r;
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if (max < double_g) max = double_g;
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if (max < double_b) max = double_b;
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double min = double_r;
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if (min > double_g) min = double_g;
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if (min > double_b) min = double_b;
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double diff = max - min;
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l = (max + min) / 2;
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if (Math.Abs(diff) < 0.00001)
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{
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s = 0;
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h = 0; // H is really undefined.
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}
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else
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{
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if (l <= 0.5) s = diff / (max + min);
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else s = diff / (2 - max - min);
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double r_dist = (max - double_r) / diff;
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double g_dist = (max - double_g) / diff;
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double b_dist = (max - double_b) / diff;
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if (double_r == max) h = b_dist - g_dist;
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else if (double_g == max) h = 2 + r_dist - b_dist;
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else h = 4 + g_dist - r_dist;
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h = h * 60;
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if (h < 0) h += 360;
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}
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}
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// Convert an HLS value into an RGB value.
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public static void HlsToRgb(double h, double l, double s,
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out int r, out int g, out int b)
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{
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double p2;
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if (l <= 0.5) p2 = l * (1 + s);
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else p2 = l + s - l * s;
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double p1 = 2 * l - p2;
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double double_r, double_g, double_b;
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if (s == 0)
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{
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double_r = l;
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double_g = l;
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double_b = l;
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}
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else
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{
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double_r = QqhToRgb(p1, p2, h + 120);
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double_g = QqhToRgb(p1, p2, h);
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double_b = QqhToRgb(p1, p2, h - 120);
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}
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// Convert RGB to the 0 to 255 range.
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r = (int)(double_r * 255.0);
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g = (int)(double_g * 255.0);
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b = (int)(double_b * 255.0);
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}
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private static double QqhToRgb(double q1, double q2, double hue)
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{
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if (hue > 360) hue -= 360;
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else if (hue < 0) hue += 360;
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if (hue < 60) return q1 + (q2 - q1) * hue / 60;
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if (hue < 180) return q2;
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if (hue < 240) return q1 + (q2 - q1) * (240 - hue) / 60;
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return q1;
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}
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private static void ConvertBgraToRgba(byte[] bytes)
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{
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for (int i = 0; i < bytes.Length; i += 4)
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{
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var temp = bytes[i];
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bytes[i] = bytes[i + 2];
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bytes[i + 2] = temp;
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}
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}
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public static Bitmap AdjustGamma(Image image, float gamma)
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{
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ImageAttributes attributes = new ImageAttributes();
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attributes.SetGamma(gamma);
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Point[] points =
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{
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new Point(0, 0),
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new Point(image.Width, 0),
|
|
new Point(0, image.Height),
|
|
};
|
|
Rectangle rect = new Rectangle(0, 0, image.Width, image.Height);
|
|
|
|
Bitmap bm = new Bitmap(image.Width, image.Height);
|
|
using (Graphics gr = Graphics.FromImage(bm))
|
|
{
|
|
gr.DrawImage(image, points, rect,
|
|
GraphicsUnit.Pixel, attributes);
|
|
}
|
|
return bm;
|
|
}
|
|
public static byte[] ImageToByte(Bitmap bitmap)
|
|
{
|
|
BitmapData bmpdata = null;
|
|
|
|
try
|
|
{
|
|
bmpdata = bitmap.LockBits(new Rectangle(0, 0, bitmap.Width, bitmap.Height), ImageLockMode.ReadOnly, bitmap.PixelFormat);
|
|
int numbytes = bmpdata.Stride * bitmap.Height;
|
|
byte[] bytedata = new byte[numbytes];
|
|
IntPtr ptr = bmpdata.Scan0;
|
|
|
|
Marshal.Copy(ptr, bytedata, 0, numbytes);
|
|
|
|
return bytedata;
|
|
}
|
|
finally
|
|
{
|
|
if (bmpdata != null)
|
|
bitmap.UnlockBits(bmpdata);
|
|
}
|
|
}
|
|
}
|
|
}
|