Beispiel #1
0
        static void Main(string[] args)
        {
            if (!ModuleInitializer.VipsInitialized)
            {
                Console.WriteLine("Error: Unable to init libvips. Please check your PATH environment variable.");
                Console.ReadLine();
                return;
            }

            Console.WriteLine($"libvips {Base.Version(0)}.{Base.Version(1)}.{Base.Version(2)}");

            Console.WriteLine(
                $"Type a number (1-{Samples.Count}) to execute a sample of your choice. Press <Enter> or type 'Q' to quit.");

            DisplayMenu();

            string input;

            do
            {
                string[] sampleArgs = { };
                if (args.Length > 0)
                {
                    var sampleId = Samples.Select((value, index) => new { Index = index + 1, value.Name })
                                   .FirstOrDefault(s => s.Name.Equals(args[0]))?.Index;
                    input      = sampleId != null ? $"{sampleId}" : "0";
                    sampleArgs = args.Skip(1).ToArray();
                }
                else
                {
                    input = Console.ReadLine();
                }

                if (int.TryParse(input, out var userChoice) && TryGetSample(userChoice, out var sample))
                {
                    Console.WriteLine($"Executing sample: {sample.Name}");
                    var result = sample.Execute(sampleArgs);
                    Console.WriteLine("Sample successfully executed!");
                    if (result != null)
                    {
                        Console.WriteLine($"Result: {result}");
                    }
                }
                else
                {
                    Console.WriteLine("Sample doesn't exists, try again");
                }

                // Clear any arguments
                args = new string[] { };
            } while (!string.IsNullOrEmpty(input) && !string.Equals(input, "Q", StringComparison.OrdinalIgnoreCase));
        }
Beispiel #2
0
 /// <summary>
 /// Initializes the module.
 /// </summary>
 public static void Initialize()
 {
     try
     {
         VipsInitialized = Base.VipsInit();
         if (VipsInitialized)
         {
             Version = Base.Version(0, false);
             Version = (Version << 8) + Base.Version(1, false);
             Version = (Version << 8) + Base.Version(2, false);
         }
         else
         {
             Exception = new VipsException("unable to initialize libvips");
         }
     }
     catch (Exception e)
     {
         VipsInitialized = false;
         Exception       = e;
     }
 }
Beispiel #3
0
        /// <summary>
        /// Generate the `Image.Generated.cs` file.
        /// </summary>
        /// <remarks>
        /// This is used to generate the `Image.Generated.cs` file (<see cref="Image"/>).
        /// Use it with something like:
        /// <code language="lang-csharp">
        /// File.WriteAllText("Image.Generated.cs", Operation.GenerateImageClass());
        /// </code>
        /// </remarks>
        /// <returns></returns>
        public static string GenerateImageClass(string indent = "        ")
        {
            // generate list of all nicknames we can generate docstrings for
            var allNickNames = new List <string>();

            IntPtr TypeMap(ulong type, IntPtr a, IntPtr b)
            {
                AddNickname(type, allNickNames);

                return(IntPtr.Zero);
            }

            Base.TypeMap(Base.TypeFromName("VipsOperation"), TypeMap);

            // Sort
            allNickNames.Sort();

            // Filter duplicates
            allNickNames = allNickNames.Distinct().ToList();

            // remove operations we have to wrap by hand
            var exclude = new[]
            {
                "scale",
                "ifthenelse",
                "bandjoin",
                "bandrank",
                "composite"
            };

            allNickNames = allNickNames.Where(x => !exclude.Contains(x)).ToList();

            const string preamble = @"//------------------------------------------------------------------------------
// <auto-generated>
//     This code was generated by a tool.
//     libvips version: {0}
//
//     Changes to this file may cause incorrect behavior and will be lost if
//     the code is regenerated.
// </auto-generated>
//------------------------------------------------------------------------------";

            var stringBuilder =
                new StringBuilder(string.Format(preamble, $"{Base.Version(0)}.{Base.Version(1)}.{Base.Version(2)}"));

            stringBuilder.AppendLine()
            .AppendLine()
            .AppendLine("namespace NetVips")
            .AppendLine("{")
            .AppendLine("    public sealed partial class Image")
            .AppendLine("    {")
            .AppendLine($"{indent}#region auto-generated functions")
            .AppendLine();
            foreach (var nickname in allNickNames)
            {
                try
                {
                    stringBuilder.AppendLine(GenerateFunction(nickname, indent));
                }
                catch (Exception)
                {
                    // ignore
                }
            }

            stringBuilder.AppendLine($"{indent}#endregion")
            .AppendLine()
            .AppendLine($"{indent}#region auto-generated properties")
            .AppendLine();

            var tmpFile       = Image.NewTempFile("%s.v");
            var allProperties = tmpFile.GetFields();

            foreach (var property in allProperties)
            {
                var type = GValue.GTypeToCSharp(tmpFile.GetTypeOf(property));
                stringBuilder.AppendLine($"{indent}/// <summary>")
                .AppendLine($"{indent}/// {tmpFile.GetBlurb(property)}")
                .AppendLine($"{indent}/// </summary>")
                .AppendLine($"{indent}public {type} {property.ToPascalCase()} => ({type})Get(\"{property}\");")
                .AppendLine();
            }

            stringBuilder.AppendLine($"{indent}#endregion")
            .AppendLine("    }")
            .AppendLine("}");

            return(stringBuilder.ToString());
        }