예제 #1
0
        public static Bitmap ImageToBitmap(ColorFloatImage image)
        {
            Bitmap B = new Bitmap(image.Width, image.Height, PixelFormat.Format24bppRgb);

            LockBitmapInfo lbi = LockBitmap(B);

            try
            {
                for (int j = 0; j < image.Height; j++)
                {
                    for (int i = 0; i < image.Width; i++)
                    {
                        ColorFloatPixel p = image[i, j];
                        lbi.data[lbi.linewidth * j + i * 4]     = p.b <0.0f ? (byte)0 : p.b> 255.0f ? (byte)255 : (byte)p.b;
                        lbi.data[lbi.linewidth * j + i * 4 + 1] = p.g <0.0f ? (byte)0 : p.g> 255.0f ? (byte)255 : (byte)p.g;
                        lbi.data[lbi.linewidth * j + i * 4 + 2] = p.r <0.0f ? (byte)0 : p.r> 255.0f ? (byte)255 : (byte)p.r;
                    }
                }
            }
            finally
            {
                UnlockBitmap(lbi);
            }

            return(B);
        }
예제 #2
0
        public int CompareTo(object o)
        {
            ColorFloatPixel p    = (ColorFloatPixel)o;
            float           sum1 = this.b * this.b + this.g * this.g + this.r * this.r;
            float           sum2 = p.b * p.b + p.g * p.g + p.r * p.r;
            float           dif  = sum1 - sum2;

            return(dif >= 0 ? (dif > 0 ? -1 : 0) : 1);
        }
예제 #3
0
        public static ColorFloatImage BitmapToColorFloatImage(Bitmap B)
        {
            int             W = B.Width, H = B.Height;
            ColorFloatImage res = new ColorFloatImage(W, H);

            if (B.PixelFormat == PixelFormat.Format8bppIndexed)
            {
                Color[] pi  = B.Palette.Entries;
                byte[]  pal = new byte[1024];
                for (int i = 0; i < pi.Length; i++)
                {
                    Color C = pi[i];
                    pal[i * 4]     = C.B;
                    pal[i * 4 + 1] = C.G;
                    pal[i * 4 + 2] = C.R;
                    pal[i * 4 + 3] = C.A;
                }

                LockBitmapInfo lbi = LockBitmap(B, PixelFormat.Format8bppIndexed, 1);
                try
                {
                    for (int j = 0; j < H; j++)
                    {
                        for (int i = 0; i < W; i++)
                        {
                            int c = lbi.data[lbi.linewidth * j + i];
                            int b = pal[c * 4];
                            int g = pal[c * 4 + 1];
                            int r = pal[c * 4 + 2];
                            res[i, j] = new ColorFloatPixel()
                            {
                                b = b, g = g, r = r, a = 0.0f
                            };
                        }
                    }
                }
                finally
                {
                    UnlockBitmap(lbi);
                }
            }
            else
            {
                LockBitmapInfo lbi = LockBitmap(B);
                try
                {
                    for (int j = 0; j < H; j++)
                    {
                        for (int i = 0; i < W; i++)
                        {
                            int b = lbi.data[lbi.linewidth * j + i * 4];
                            int g = lbi.data[lbi.linewidth * j + i * 4 + 1];
                            int r = lbi.data[lbi.linewidth * j + i * 4 + 2];
                            res[i, j] = new ColorFloatPixel()
                            {
                                b = b, g = g, r = r, a = 0.0f
                            };
                        }
                    }
                }
                finally
                {
                    UnlockBitmap(lbi);
                }
            }

            return(res);
        }