예제 #1
0
        private void BigUpdate()
        {
            if (Bitmap == null)
            {
                Resizer.Original = null;
                UpdateViewedImage();
                return;
            }

            Resizer          = new Processing.Resizer();
            Resizer.Original = ToProcessableImage(Bitmap);

            t.OriginalWidth   = Resizer.Original.Width;
            t.OriginalHeight  = Resizer.Original.Height;
            t.RelativeScaling = true;
            t.ScalingX        = scalingFactor;
            t.ScalingY        = scalingFactor;

            t.RotationInDegrees = true;
            t.RotationRescaling = true;
            t.RotationAngle     = angle;

            Transformations.TransformationPrototype prototype = t.CalculateTransformation();

            int targetHeight = (int)(Math.Round((double)prototype.TargetHeight));
            int targetWidth  = (int)(Math.Round((double)prototype.TargetWidth));

            Resizer.Result = new Processing.Image(targetWidth, targetHeight, 3);

            Cast2D casting = Casting.Function.FromTransformationMatrix(prototype.T_Target2Original, 0.5f);

            Resizer.Interpolation = new Interpolations.Interp();
            Resizer.Interpolation.InitializeTransformation(Resizer.Original.Width, Resizer.Original.Height, Resizer.Result.Width, Resizer.Result.Height, casting);

            float passage = 0;

            System.Single.TryParse(tbTransition.Text, out passage);

            Resizer.Interpolation.InitializeFunctions(SelectedAlgorithm, SelectedPBCC);
            if (selectedTransition > 0)
            {
                Resizer.Interpolation.InitializePassageReduction(passage);
            }
            else
            {
                Resizer.Interpolation.TransitionReduction = null;
            }

            Blending = Casting.Function.FastBlendingFromCasting(casting, 0.5f, 0.5f, Resizer.Original.Width, Resizer.Original.Height);

            Resizer.Optimalize(true);
            Resizer.Resize();

            UpdateViewedImage();
        }
예제 #2
0
        public static void Main(string[] args)
        {
            //pomoc przy wywołaniu bez argumentów
            if (args.Length == 0)
            {
                Func <bool> exit = () =>
                {
                    Console.WriteLine();
                    Console.WriteLine("[Any key - continue, Esc - exit]");
                    ConsoleKeyInfo key = Console.ReadKey(true);
                    if (key.Key == ConsoleKey.Escape)
                    {
                        return(true);
                    }
                    return(false);
                };

                Console.WriteLine("\tP-Lin Interpolation --- Program Help");
                Console.WriteLine();
                Console.WriteLine("Normal callouts:");
                Console.WriteLine("\tplin.exe {input_file} width height {output_file}");
                Console.WriteLine("\tplin.exe {input_file} scale {output_file}");
                Console.WriteLine();
                Console.WriteLine("\tplin.exe      - name of this program (if not changed)");
                Console.WriteLine("\t{input_file}  - path to original image, can be quoted to allow spaces");
                Console.WriteLine("\t{output_file} - path to save the file, can be quoted, if target file exists, it will be overwritten, format is obtained from file extension");
                Console.WriteLine("\twidth height  - size of the image after rescaling (integers)");
                Console.WriteLine("\tscale         - scaling factor for rescaling (floating point)");
                Console.WriteLine();
                Console.WriteLine("Supported file formats (extensions): *.bmp, *.emf, *.gif, *.jpeg, *.jpg, *.png, *.tif, *.tiff, *.wmf.");
                if (exit())
                {
                    return;
                }

                Console.WriteLine();
                Console.WriteLine("Special arguments:");
                Console.WriteLine("Remark: Special arguments might be placed anywhere after the program's name and each has to be prefixed with dash (-), e.g. -linear. Options (if avaible) are separated with ':' or '=' (no spaces)");
                Console.WriteLine();
                Console.WriteLine(" For selecting an interpolation algorithm:");
                Console.WriteLine("\tnearest near nn - nearest nieghbour");
                Console.WriteLine("\tlinear lin l bilinear - bilinear");
                Console.WriteLine("\tplin p-lin - P-Lin");
                Console.WriteLine();
                Console.WriteLine(" For a proximity-based coefficient correction:");
                Console.WriteLine("\tproximity_correction pbcc - general use; full when no parameters");
                Console.WriteLine("\t options: full, fast, no");
                Console.WriteLine("\tfull_proximity_correction = pbcc:full pbcc:yes pbcc:1 pbcc:true");
                Console.WriteLine("\tno_proximity_correction = pbcc:no pbcc:0 pbcc:false no_pbcc");
                if (exit())
                {
                    return;
                }

                Console.WriteLine(" For transition reduction:");
                Console.WriteLine("\ttransition tran tar t - for reducing a transition of interpolation between original points");
                Console.WriteLine("\tparameter means number of pixels in the output image used for the effect (floating point)");
                Console.WriteLine("\te.g. -transition:2 -tran:1.5 -tar:1");
                Console.WriteLine();
                Console.WriteLine(" Additional:");
                Console.WriteLine("\trotation rot r rotate_degrees rotate_dgr rot_dgr rdgr - rotate image counterclockwise (by degrees)");
                Console.WriteLine("\trotate_radians rotate_rad rot_rad rrad - rotate image counterclockwise (by radians)");
                Console.WriteLine("\tparallel multithreading multithread mt - allow use of Parallel.For (multithreading)");
                Console.WriteLine("\twait w pause - after processing wait for user to press any key to continue");
                Console.WriteLine("\ttime t measure measure_time diagnostics diag - measure time taken by each step and show at the end");
                Console.WriteLine(" Calling with no parameters means to turn those options on (or with zero degrees). They can also be called with parameter (boolean):");
                Console.WriteLine("\ttrue t 1 yes - for true (turn the option on)");
                Console.WriteLine("\tfalse f 0 no - for false (tunr the option off)");
                Console.WriteLine("\te.g. -mt:no -wait:true -time:yes");
                Console.WriteLine("\te.g. -rot_dgr:60.35");

                Console.WriteLine();
                Console.WriteLine("Press any key to continue...");
                Console.ReadKey(true);
                return;
            }

            //podział poleceń na podstawowe (bez myślnika) i specjalne (z myślnikiem)
            //the commands are separated into basic- (without a dash) and special (with a dash)
            int[]    iiSpecial = args.Select((arg, i) => arg.StartsWith("-") ? i : -1).Where(i => i != -1).ToArray();
            string[] basic     = args.Where((arg, i) => !iiSpecial.Contains(i)).ToArray();
            string[] special   = args.Where((arg, i) => iiSpecial.Contains(i)).ToArray();
            special = special.Select((arg) => arg.Substring(1).ToLowerInvariant()).ToArray();

            //odczytywane dane | acquired data
            string inputFile            = null;
            string outputFile           = null;
            string algorithm            = null;
            string proximity_correction = null;
            float  reduce        = -1.0f;
            string reduction     = null;
            int    targetWidth   = -1;
            int    targetHeight  = -1;
            double factor        = -1.0d;
            string allowParallel = null;
            string wait          = null;
            string measureTime   = null;
            string rotation      = null;
            double angle         = 0;


            //interpretacja komend wiersza poleceń | interpretation of the command-line arguments
            if (basic.Length < 3)
            {
                Console.WriteLine("!\tNot enought arguments (missing input, output and/or size/scaling factor).");
                return;
            }
            else if (basic.Length == 3)
            {
                inputFile  = basic[0];
                outputFile = basic[2];

                if (TryParseDouble(basic[1], out factor))
                {
                    if (factor < 0)
                    {
                        factor = -factor;
                    }
                    else if (factor == 0)
                    {
                        factor = 1;
                    }
                }
                else
                {
                    Console.WriteLine("!\tImproper scaling factor.");
                    return;
                }
            }
            else
            {
                inputFile  = basic[0];
                outputFile = basic[3];
                Int32.TryParse(basic[1], out targetWidth);
                Int32.TryParse(basic[2], out targetHeight);
                factor = -1;
                if (targetHeight <= 0 || targetWidth <= 0)
                {
                    Console.WriteLine("!\tImproper output dimensions.");
                    return;
                }
            }

            foreach (string cmd in special)
            {
                string a, e;
                int    sep = cmd.IndexOfAny(argsSeparators);
                if (sep < 0)
                {
                    a = cmd;
                    e = String.Empty;
                }
                else
                {
                    a = cmd.Substring(0, sep);
                    e = cmd.Substring(sep + 1);
                }

                int iArg = Array.IndexOf <string>(argsAlgorithms, a);
                if (iArg >= 0)
                {
                    if (algorithm == null)
                    {
                        algorithm = argsAlgorithmsCast[iArg];
                    }
                    continue;
                }
                iArg = Array.IndexOf <string>(argsProximityCorrection, a);
                if (iArg >= 0)
                {
                    if (proximity_correction == null)
                    {
                        if (iArg <= 1 && e != String.Empty)
                        {
                            int dwOpt = Array.IndexOf <string>(argsPBCCOptions, e);
                            if (dwOpt >= 0)
                            {
                                proximity_correction = argsPBCCOptionsCast[dwOpt];
                            }
                        }
                        else
                        {
                            proximity_correction = argsProximityCorrectionCast[iArg];
                        }
                    }
                    continue;
                }
                iArg = Array.IndexOf <string>(argsTransitionReduction, a);
                if (iArg >= 0)
                {
                    if (reduction == null)
                    {
                        if (TryParseSingle(e, out reduce))
                        {
                            if (reduce < 0)
                            {
                                reduce = -reduce;
                            }
                            if (reduce != 0)
                            {
                                reduction = argsTRansitionReductionCast[iArg];
                            }
                        }
                    }
                }

                iArg = Array.IndexOf <string>(argsParallel, a);
                if (iArg >= 0)
                {
                    if (allowParallel == null)
                    {
                        if (e != String.Empty)
                        {
                            int prlOpt = Array.IndexOf <String>(argsOptionsBoolean, e);
                            if (prlOpt >= 0)
                            {
                                allowParallel = argsOptionsBooleanCast[prlOpt];
                            }
                        }
                        else
                        {
                            allowParallel = "true";
                        }
                    }
                }
                iArg = Array.IndexOf <string>(argsWait, a);
                if (iArg >= 0)
                {
                    if (wait == null)
                    {
                        if (e != String.Empty)
                        {
                            int wtOpt = Array.IndexOf <String>(argsOptionsBoolean, e);
                            if (wtOpt >= 0)
                            {
                                wait = argsOptionsBooleanCast[wtOpt];
                            }
                        }
                        else
                        {
                            wait = "true";
                        }
                    }
                }
                iArg = Array.IndexOf <string>(argsTime, a);
                if (iArg >= 0)
                {
                    if (measureTime == null)
                    {
                        if (e != String.Empty)
                        {
                            int mtOpt = Array.IndexOf <String>(argsOptionsBoolean, e);
                            if (mtOpt >= 0)
                            {
                                measureTime = argsOptionsBooleanCast[mtOpt];
                            }
                        }
                        else
                        {
                            measureTime = "true";
                        }
                    }
                }
                iArg = Array.IndexOf <string>(argsRotation, a);
                if (iArg >= 0)
                {
                    if (rotation == null)
                    {
                        if (e != String.Empty)
                        {
                            if (TryParseDouble(e, out angle))
                            {
                                rotation = argsRotationCast[iArg];
                            }
                        }
                    }
                }
            }

            //ustawianie wartości domyślnych jeśli nie określono parametró
            //settinf up default values for variables if those parametrów weren't defined
            if (reduction == null)
            {
                reduction = "no";
            }
            if (algorithm == null)
            {
                algorithm = "plin";
            }
            if (proximity_correction == null)
            {
                proximity_correction = "no";
            }
            if (allowParallel == null)
            {
                allowParallel = "true";
            }
            if (wait == null)
            {
                wait = "false";
            }
            if (measureTime == null)
            {
                measureTime = "false";
            }
            if (rotation == null)
            {
                rotation = "no";
            }

            bool diagnostics = measureTime == "true";
            bool parallel    = allowParallel == "true";
            bool stable      = rotation == "no";

            //inputFile = inputFile.Trim();
            //outputFile = outputFile.Trim();

            System.DateTime T00 = new DateTime(); //rozpoczęcie pracy | start of work
            System.DateTime T10 = new DateTime(); //rozpoczęcie ustawiania interpolacji | start of setting-up the interpolation
            System.DateTime T20 = new DateTime(); //rozpoczęcie interpolacji | start of the interpolation
            System.DateTime T30 = new DateTime(); //rozpoczęcie zapisywania wyniku | start of saving the result
            System.DateTime T40 = new DateTime(); //po zapisaniu wyniku | after saving the result

            if (diagnostics)
            {
                T00 = System.DateTime.Now;
            }

            if (!System.IO.File.Exists(inputFile))
            {
                Console.WriteLine("!\tFile \"{0}\" doesn't exists.", inputFile);
                return;
            }


            Image original;

            using (System.Drawing.Bitmap img = new System.Drawing.Bitmap(inputFile))
            {
                original = new Image(img.Width, img.Height, 3);
                for (int y = original.Height - 1; y >= 0; --y)
                {
                    for (int x = original.Width - 1; x >= 0; --x)
                    {
                        var c = img.GetPixel(x, y);
                        original[x, y, Image.R] = c.R;
                        original[x, y, Image.G] = c.G;
                        original[x, y, Image.B] = c.B;
                    }
                }
            }

            if (diagnostics)
            {
                T10 = System.DateTime.Now;
            }

            if (factor > 0)
            {
                targetHeight = (int)(Math.Round(factor * (double)original.Height));
                targetWidth  = (int)(Math.Round(factor * (double)original.Width));
            }

            Image target = new Image(targetWidth, targetHeight, 3);



            Interpolations.Interpolations.Implemented theAlgorithm = Interpolations.Interpolations.Implemented.PLin;
            Interpolations.Interpolations.ProximityBasedCoefficientReduction theDW = Interpolations.Interpolations.ProximityBasedCoefficientReduction.None;

            switch (algorithm)
            {
            case "lin":
                theAlgorithm = Interpolations.Interpolations.Implemented.Linear;
                break;

            case "nn":
                theAlgorithm = Interpolations.Interpolations.Implemented.NearestNeighbour;
                break;

            case "plin":
            default:
                theAlgorithm = Interpolations.Interpolations.Implemented.PLin;
                break;
            }
            switch (proximity_correction)
            {
            case "full":
                theDW = Interpolations.Interpolations.ProximityBasedCoefficientReduction.Full;
                break;

            case "no":
            default:
                theDW = Interpolations.Interpolations.ProximityBasedCoefficientReduction.None;
                break;
            }

            //ustawianie paramaterów i funkcji przeskalowania
            //setting up the parameters and functions of the resize
            Casting.Blending2D blending = null;
            Resizer            resizer  = new Resizer();

            resizer.Original = original;

            if (stable)
            {
                resizer.Result = target;

                resizer.Interpolation = new Interp();
                resizer.Interpolation.InitializeResize(original.Width, original.Height, target.Width, target.Height,
                                                       Casting.Function.GenProperCasting(original.Width, target.Width), Casting.Function.GenProperCasting(original.Height, target.Height));
                //resizer.Interpolation.InitializeFunctions(Interpolations.Interpolations.Implemented.DLin, Interpolations.Interpolations.DistanceWaging.Full, 2);
                resizer.Interpolation.InitializeFunctions(theAlgorithm, theDW);
            }
            else
            {
                Transformations.TransformationSetup t = new Transformations.TransformationSetup(true);
                t.OriginalWidth   = original.Width;
                t.OriginalHeight  = original.Height;
                t.RelativeScaling = false;
                t.ScalingX        = targetWidth;
                t.ScalingY        = targetHeight;

                t.RotationInDegrees = rotation == "dgr";
                t.RotationRescaling = true;
                t.RotationAngle     = angle;

                Transformations.TransformationPrototype prototype = t.CalculateTransformation();

                targetHeight = (int)(Math.Round((double)prototype.TargetHeight));
                targetWidth  = (int)(Math.Round((double)prototype.TargetWidth));
                target       = new Image(targetWidth, targetHeight, 3);

                resizer.Result = target;

                Cast2D casting = Casting.Function.FromTransformationMatrix(prototype.T_Target2Original, 0.5f);

                resizer.Interpolation = new Interp();
                resizer.Interpolation.InitializeTransformation(original.Width, original.Height, target.Width, target.Height, casting);
                resizer.Interpolation.InitializeFunctions(theAlgorithm, theDW);

                //blending = Casting.Function.FastBlendingFromCasting(casting, 0.5f, 0.5f, original.Width, original.Height);
                blending = Casting.Function.BlendingFromCasting(casting, Casting.Function.PlinBlending, 0.5f, 0.5f, original.Width, original.Height);
            }

            if (reduction == "tran")
            {
                resizer.Interpolation.InitializePassageReduction(reduce);
            }
            else
            {
                resizer.Interpolation.TransitionReduction = null;
            }



            if (!resizer.Buffer())
            {
                resizer.RemoveBuffer();
            }

            resizer.Optimalize(parallel);

            if (diagnostics)
            {
                T20 = System.DateTime.Now;
            }

            bool r = resizer.Resize();

            if (diagnostics)
            {
                T30 = System.DateTime.Now;
            }

            //zapisywanie obrazu wynikowego
            //saving up the resulting image
            using (System.Drawing.Bitmap img2 = new System.Drawing.Bitmap(target.Width, target.Height))
            {
                if (blending == null)
                {
                    for (int y = target.Height - 1; y >= 0; --y)
                    {
                        for (int x = target.Width - 1; x >= 0; --x)
                        {
                            img2.SetPixel(x, y, System.Drawing.Color.FromArgb(target[x, y, Image.R], target[x, y, Image.G], target[x, y, Image.B]));
                        }
                    }
                }
                else
                {
                    for (int y = target.Height - 1; y >= 0; --y)
                    {
                        for (int x = target.Width - 1; x >= 0; --x)
                        {
                            float alpha = blending(x, y);

                            int rc = (int)((float)target[x, y, Image.R] * alpha);
                            int gc = (int)((float)target[x, y, Image.G] * alpha);
                            int bc = (int)((float)target[x, y, Image.B] * alpha);
                            int a  = (int)((float)255 * alpha);

                            img2.SetPixel(x, y, System.Drawing.Color.FromArgb(a, rc, gc, bc));
                        }
                    }
                }

                try
                {
                    using (System.IO.Stream stream = new System.IO.FileStream(outputFile, System.IO.FileMode.Create))
                    {
                        string ext = System.IO.Path.GetExtension(outputFile).ToLowerInvariant();
                        System.Drawing.Imaging.ImageFormat format;

                        switch (ext)
                        {
                        case ".bmp":
                            format = System.Drawing.Imaging.ImageFormat.Bmp;
                            break;

                        case ".emf":
                            format = System.Drawing.Imaging.ImageFormat.Emf;
                            break;

                        case ".gif":
                            format = System.Drawing.Imaging.ImageFormat.Gif;
                            break;

                        case ".jpg":
                        case ".jpeg":
                            format = System.Drawing.Imaging.ImageFormat.Jpeg;
                            break;

                        case ".tiff":
                        case ".tif":
                            format = System.Drawing.Imaging.ImageFormat.Tiff;
                            break;

                        case ".wmf":
                            format = System.Drawing.Imaging.ImageFormat.Wmf;
                            break;

                        case ".png":
                        default:
                            format = System.Drawing.Imaging.ImageFormat.Png;
                            break;
                        }

                        img2.Save(stream, format);
                        //img2.Save(outputFile);
                    }
                }
                catch (Exception ex)
                {
                    Console.WriteLine(ex.Message);
                }
            }

            if (diagnostics)
            {
                T40 = System.DateTime.Now;
            }

            //jeśli ma wyświetlić pomierzony czas
            //if have to show the measured time
            if (diagnostics)
            {
                System.TimeSpan t_loading       = T10 - T00;
                System.TimeSpan t_saving        = T40 - T30;
                System.TimeSpan t_interpolation = T30 - T10;
                System.TimeSpan t_setup         = T20 - T10;
                System.TimeSpan t_resizing      = T30 - T20;
                System.TimeSpan t_total         = T40 - T10;

                Console.WriteLine("DIAGNOSTICS:");
                Console.WriteLine("\tfor: {0}", String.Join("; ", special));
                Console.WriteLine();
                Console.WriteLine("\t    Started work | Loading input: [T0] {0:yyyy:MM:dd hh:mm:ss.fff}", T00);
                Console.WriteLine("\t    Input loaded | Setting up:    [T1] {0:yyyy:MM:dd hh:mm:ss.fff}", T10);
                Console.WriteLine("\tAlgorithm set up | Resizing:      [T2] {0:yyyy:MM:dd hh:mm:ss.fff}", T20);
                Console.WriteLine("\t         Resized | Saving output: [T3] {0:yyyy:MM:dd hh:mm:ss.fff}", T30);
                Console.WriteLine("\t    Output saved | Finished work: [T4] {0:yyyy:MM:dd hh:mm:ss.fff}", T40);
                Console.WriteLine();
                Console.WriteLine(" * Total time: {0} ms (ap. {1} s).", t_total.TotalMilliseconds.ToString(_CI), t_total.TotalSeconds.ToString("0.###", _CI));
                Console.WriteLine(" * Loading the input file took {0} ms (ap. {1} s).", t_loading.TotalMilliseconds.ToString(_CI), t_loading.TotalSeconds.ToString("0.###", _CI));
                Console.WriteLine(" * Saving the output file took {0} ms (ap. {1} s).", t_saving.TotalMilliseconds.ToString(_CI), t_saving.TotalSeconds.ToString("0.###", _CI));
                Console.WriteLine(" * Whole interpolation algorithm took {0} ms (ap. {1} s).", t_interpolation.TotalMilliseconds.ToString(_CI), t_interpolation.TotalSeconds.ToString("0.###", _CI));
                Console.WriteLine(" * Setting out the interpolation algorihtm took {0} ms (ap. {1} s).", t_setup.TotalMilliseconds.ToString(_CI), t_setup.TotalSeconds.ToString("0.###", _CI));
                Console.WriteLine(" * Resizing the image took {0} ms (ap. {1} s).", t_resizing.TotalMilliseconds.ToString(_CI), t_resizing.TotalSeconds.ToString("0.###", _CI));
                Console.WriteLine();
            }

            //jeśli ma spauzować na końcu
            //if there is pasue on the end
            if (wait == "true")
            {
                Console.WriteLine("Press any key to continue...");
                Console.ReadKey(true);
            }
        }