static int Main(string[] args)
{
if (args.Length is < 1 or > 2)
{
Console.Error.WriteLine("Usage: webp-to-jpeg <input> [output]");
return(1);
}
try
{
var inputFileName = args[0];
var outputFileName = args.Length > 1
? args[1]
: Path.ChangeExtension(inputFileName, ".jpg");
WebPExecuteDownloader.Download();
var builder = new WebPDecoderBuilder();
var decoder = builder.Build();
using var output = File.Create(outputFileName);
using var input = File.OpenRead(inputFileName);
decoder.Decode(input, output);
}
catch (Exception exception)
{
Console.Error.WriteLine($"Exception: {exception.Message}");
return(1);
}
return(0);
}
public void Case1()
{
var builder = new WebPDecoderBuilder();
var encoder = builder
.Flip()
.Build();
var output = new MemoryStream();
using (var inputFile = File.Open("Samples/openCC.webp", FileMode.Open)) {
encoder.Decode(inputFile, output);
}
Assert.NotEqual(0, output.Length);
}
public void Case2()
{
var builder = new WebPDecoderBuilder();
var encoder = builder
.Flip()
.Build();
if (!Directory.Exists("Output"))
{
Directory.CreateDirectory("Output");
}
using (var outputFile = File.Open("Output/openCC-Flip.png", FileMode.Create))
using (var inputFile = File.Open("Samples/openCC.webp", FileMode.Open)) {
encoder.Decode(inputFile, outputFile);
}
}
public void Case5()
{
var builder = new WebPDecoderBuilder();
var encoder = builder
.Crop(0, 0, 50, 50)
.ExportFormat(ExportFormats.BMP)
.Build();
if (!Directory.Exists("Output"))
{
Directory.CreateDirectory("Output");
}
using (var outputFile = File.Open("Output/openCC.bmp", FileMode.Create))
using (var inputFile = File.Open("Samples/openCC.webp", FileMode.Open)) {
encoder.Decode(inputFile, outputFile);
}
}