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));
}
/// <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;
}
}
/// <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());
}
