Ejemplo n.º 1
0
        private void ProcessPlane(ImagePlane plane, ProcessingBounds bounds)
        {
            if (plane.TryGetLinearAccess(out LinearAccessData data))
            {
                int startY      = bounds.StartY;
                int startX      = bounds.StartX;
                int boundsY     = startY + bounds.Height;
                int boundsX     = startX + bounds.Width;
                int imageHeight = plane.Parent.Height;
                int imageWidth  = plane.Parent.Width;
                var yInc        = (int)data.YInc;
                var xInc        = (int)data.XInc;

                unsafe
                {
                    var pBase = (byte *)data.BasePtr;
                    for (int yy = bounds.StartY; yy < boundsY; yy += PixelateSize)
                    {
                        int offsetY        = PixelateSize / 2;
                        int yyPixelateSize = yy + PixelateSize;
                        for (int xx = bounds.StartX; xx < boundsX; xx += PixelateSize)
                        {
                            int offsetX        = PixelateSize / 2;
                            int xxPixelateSize = xx + PixelateSize;

                            while (xx + offsetX >= imageWidth)
                            {
                                offsetX--;
                            }
                            while (yy + offsetY >= imageHeight)
                            {
                                offsetY--;
                            }

                            byte *pPixelatedPixel = pBase + ((yy + offsetY) * yInc) + ((xx + offsetX) * xInc);
                            for (int y = yy; y < yyPixelateSize && y < imageHeight; y++)
                            {
                                byte *pLine = pBase + yInc * y;

                                for (int x = xx; x < xxPixelateSize && x < imageWidth; x++)
                                {
                                    byte *pPixel = pLine + xInc * x;
                                    if (PixelFilter.Check(*pPixel, y * boundsY + x))
                                    {
                                        *pPixel = *pPixelatedPixel;
                                    }
                                }
                            }
                        }
                    }
                }
            }
            else
            {
                throw new ArgumentException("Plane could not be accessed linearly", nameof(plane));
            }
        }
Ejemplo n.º 2
0
        private void ProcessPlane(ImagePlane inputPlane, ImagePlane newPlane, ProcessingBounds bounds)
        {
            if (inputPlane.TryGetLinearAccess(out LinearAccessData inputData))
            {
                if (newPlane.TryGetLinearAccess(out LinearAccessData newData))
                {
                    var inputYInc = (int)inputData.YInc;
                    var inputXInc = (int)inputData.XInc;
                    var newYInc   = (int)newData.YInc;
                    var newXInc   = (int)newData.XInc;
                    int boundsY   = bounds.StartY + bounds.Height;
                    int boundsX   = bounds.StartX + bounds.Width;

                    unsafe
                    {
                        var inputPBase = (byte *)inputData.BasePtr;
                        var newPBase   = (byte *)newData.BasePtr;

                        for (int y = bounds.StartY; y < boundsY; y++)
                        {
                            byte *inputPLine = inputPBase + inputYInc * y;
                            byte *newPLine;
                            int   newY = y + ShiftY;
                            if (newY < boundsY)
                            {
                                newPLine = newPBase + newYInc * newY;
                            }
                            else if (Wrap)
                            {
                                newPLine = newPBase + newYInc * (newY - boundsY);
                            }
                            else
                            {
                                continue;
                            }

                            for (int x = bounds.StartX; x < boundsX; x++)
                            {
                                byte *inputPPixel = inputPLine + inputXInc * x;
                                byte *newPPixel;
                                int   newX = x + ShiftX;
                                if (newX < boundsX)
                                {
                                    newPPixel = newPLine + newXInc * newX;
                                }
                                else if (Wrap)
                                {
                                    newPPixel = newPLine + newXInc * (newX - boundsX);
                                }
                                else
                                {
                                    continue;
                                }

                                if (PixelFilter.Check(*inputPPixel, y * boundsY + x))
                                {
                                    *newPPixel = *inputPPixel;
                                }
                            }
                        }
                    }
                }
                else
                {
                    throw new ArgumentException("New plane could not be accessed linear");
                }
            }
            else
            {
                throw new ArgumentException("Input plane could not be accessed linear");
            }
        }
Ejemplo n.º 3
0
        /// <summary>
        /// Processes the <paramref name="inputImage"/>.
        /// </summary>
        /// <param name="inputImage">Image to process.</param>
        /// <returns>Processed image.</returns>
        public Image Process(Image inputImage)
        {
            if (inputImage == null)
            {
                throw new ArgumentNullException(nameof(inputImage));
            }

            if (inputImage.Planes[PlaneIndex].TryGetLinearAccess(out LinearAccessData inputData))
            {
                double midPointY = inputImage.Height / 2;
                double midPointX = inputImage.Width / 2;
                int    height    = inputImage.Height;
                int    width     = inputImage.Width;
                double cos       = System.Math.Cos(Angle.Rad);
                double sin       = System.Math.Sin(Angle.Rad);

                Image rotatedImage;
                if (FitImage)
                {
                    var newHeight = System.Math.Abs(width * sin) + System.Math.Abs(height * cos);
                    var newWidth  = System.Math.Abs(width * cos) + System.Math.Abs(height * sin);

                    rotatedImage = new Image((int)newWidth, (int)newHeight, inputImage.Planes.Count);
                }
                else
                {
                    rotatedImage = new Image(inputImage.Size, inputImage.Planes.Count);
                }

                for (int i = 0; i < inputImage.Planes.Count; i++)
                {
                    if (i != PlaneIndex)
                    {
                        inputImage.Planes[i].CopyTo(rotatedImage.Planes[i]);
                    }
                    else
                    {
                        rotatedImage.Planes[i].Initialize(FillValue);
                    }
                }

                int offsetX = (int)((rotatedImage.Width / 2) - midPointX);
                int offsetY = (int)((rotatedImage.Height / 2) - midPointY);

                var rotatedData = rotatedImage.Planes[PlaneIndex].GetLinearAccess();

                int inputYInc   = (int)inputData.YInc;
                int inputXInc   = (int)inputData.XInc;
                int rotatedYInc = (int)rotatedData.YInc;
                int rotatedXInc = (int)rotatedData.XInc;

                var rotatedWidth  = rotatedImage.Width;
                var rotatedHeight = rotatedImage.Height;
                unsafe
                {
                    byte *pBaseIn = (byte *)inputData.BasePtr;
                    byte *pBaseRo = (byte *)rotatedData.BasePtr;

                    for (int y = 0; y < height; y++)
                    {
                        byte *inputPLine = pBaseIn + inputYInc * y;

                        for (int x = 0; x < width; x++)
                        {
                            byte *inputPPixel = inputPLine + inputXInc * x;

                            var newP = RotatePoint(x, y, midPointX, midPointY, cos, sin, offsetX, offsetY);

                            if (FitImage)
                            {
                                if (PixelFilter.Check(*inputPPixel, y * height + x) && newP.X < rotatedWidth && newP.Y < rotatedHeight)
                                {
                                    byte *rotatedPPixel = pBaseRo + rotatedYInc * newP.Y + rotatedXInc * newP.X;
                                    *     rotatedPPixel = *inputPPixel;
                                }
                            }
                            else if (newP.X < width && newP.X >= 0 && newP.Y < height && newP.Y >= 0 && PixelFilter.Check(*inputPPixel, y * height + x))
                            {
                                byte *rotatedPPixel = pBaseRo + rotatedYInc * newP.Y + rotatedXInc * newP.X;
                                *     rotatedPPixel = *inputPPixel;
                            }
                        }
                    }
                }

                return(rotatedImage);
            }
            else
            {
                throw new ArgumentException("Input image could not be accessed linearly", nameof(inputImage));
            }
        }