Exemple #1
0
        public Bitmap GetProcessedImage(bool useTransparency, out int activePixel)
        {
            Bitmap img = OCRImage.Clone(BoundingBox, PixelFormat.Format32bppArgb);

            activePixel = 0;

            BitmapData srcData = img.LockBits(new Rectangle(0, 0, img.Width, img.Height), ImageLockMode.ReadWrite, PixelFormat.Format32bppArgb);
            IntPtr     Scan0   = srcData.Scan0;
            int        stride  = srcData.Stride;

            unsafe
            {
                byte *p = (byte *)(void *)Scan0;

                for (int x = 0; x < img.Width; x++)
                {
                    for (int y = 0; y < img.Height; y++)
                    {
                        int idx = (y * stride) + x * 4;

                        double s_value = ColorExt.GetSaturation(p[idx + 2], p[idx + 1], p[idx + 0]);
                        byte   bval    = (byte)(255 - (p[idx + 2] + p[idx + 1] + p[idx + 0]) / 3);

                        if (s_value >= 80)
                        {
                            p[idx + 0] = 255;
                            p[idx + 1] = 255;
                            p[idx + 2] = 255;
                            p[idx + 3] = (byte)(useTransparency ? 0 : 255);
                        }
                        else
                        {
                            activePixel++;

                            p[idx + 0] = bval;
                            p[idx + 1] = bval;
                            p[idx + 2] = bval;
                            p[idx + 3] = 255;
                        }
                    }
                }
            }

            img.UnlockBits(srcData);

            return(img);
        }
Exemple #2
0
        public Bitmap GetProcessedImage(bool useTransparency, out int activePixel)
        {
            Bitmap img       = OCRImage.Clone(GetBoundingBox(), PixelFormat.Format32bppArgb);
            double hexheight = OCRRadius * (Math.Sin(MathExt.ToRadians(60)) / Math.Sin(MathExt.ToRadians(90)));

            activePixel = 0;

            BitmapData srcData = img.LockBits(new Rectangle(0, 0, img.Width, img.Height), ImageLockMode.ReadWrite, PixelFormat.Format32bppArgb);
            IntPtr     Scan0   = srcData.Scan0;
            int        stride  = srcData.Stride;

            unsafe
            {
                byte *p = (byte *)(void *)Scan0;

                for (int x = 0; x < img.Width; x++)
                {
                    for (int y = 0; y < img.Height; y++)
                    {
                        int idx = (y * stride) + x * 4;

                        double px = Math.Abs(x - img.Width / 2);
                        double py = Math.Abs(y - img.Height / 2);
                        double pd = Math.Sqrt(px * px + py * py);

                        if (py < hexheight && py + 2 * (px - OCRRadius) < 0)
                        {
                            byte repl_R = 255;
                            byte repl_G = 255;
                            byte repl_B = 255;
                            byte repl_A = (byte)(useTransparency ? 0 : 255);

                            switch (Type)
                            {
                            case HexagonType.HIDDEN:
                                // TRANSPARENT
                                break;

                            case HexagonType.ACTIVE:
                            {
                                double s_value = ColorExt.GetSaturation(p[idx + 2], p[idx + 1], p[idx + 0]);
                                if (s_value >= 80 || pd > (OCRHeight - 1))
                                {
                                    // TRANSPARENT
                                }
                                else
                                {
                                    activePixel++;

                                    repl_R = (byte)(255 - (p[idx + 2] + p[idx + 1] + p[idx + 0]) / 3);
                                    repl_G = (byte)(255 - (p[idx + 2] + p[idx + 1] + p[idx + 0]) / 3);
                                    repl_B = (byte)(255 - (p[idx + 2] + p[idx + 1] + p[idx + 0]) / 3);
                                    repl_A = 255;
                                }
                            }
                            break;

                            case HexagonType.INACTIVE:
                            {
                                int grayness = (p[idx + 2] + p[idx + 1] + p[idx + 0]) / 3;

                                if (grayness < 128 || pd > (OCRHeight - 1))
                                {
                                    // TRANSPARENT
                                }
                                else
                                {
                                    activePixel++;

                                    repl_R = (byte)(255 - (p[idx + 2] + p[idx + 1] + p[idx + 0]) / 3);
                                    repl_G = (byte)(255 - (p[idx + 2] + p[idx + 1] + p[idx + 0]) / 3);
                                    repl_B = (byte)(255 - (p[idx + 2] + p[idx + 1] + p[idx + 0]) / 3);
                                    repl_A = 255;
                                }
                            }
                            break;

                            case HexagonType.NOCELL:
                            {
                                double c_distance = ColorExt.GetColorDistance(p[idx + 2], p[idx + 1], p[idx + 0], COLOR_CELL_NOCELL);
                                double hsv_value  = ColorExt.GetValue(p[idx + 2], p[idx + 1], p[idx + 0]);
                                if (c_distance < 32 || hsv_value > 75)
                                {
                                    // TRANSPARENT
                                }
                                else
                                {
                                    activePixel++;

                                    repl_R = (byte)((p[idx + 2] + p[idx + 1] + p[idx + 0]) / 3);
                                    repl_G = (byte)((p[idx + 2] + p[idx + 1] + p[idx + 0]) / 3);
                                    repl_B = (byte)((p[idx + 2] + p[idx + 1] + p[idx + 0]) / 3);
                                    repl_A = 255;
                                }
                            }
                            break;

                            default:
                            case HexagonType.UNKNOWN:
                                // TRANSPARENT
                                break;
                            }

                            p[idx + 0] = repl_B;
                            p[idx + 1] = repl_G;
                            p[idx + 2] = repl_R;
                            p[idx + 3] = repl_A;
                        }
                        else
                        {
                            p[idx + 0] = 255;
                            p[idx + 1] = 255;
                            p[idx + 2] = 255;
                            p[idx + 3] = (byte)(useTransparency ? 0 : 255);
                        }
                    }
                }
            }

            img.UnlockBits(srcData);

            return(img);
        }