public byte[] OptimizeImage(byte[] inputImage, ImageOptimizeParams imageOptimizeParams = null)
{
if (imageOptimizeParams == null)
{
imageOptimizeParams = GetDefaultParams();
}
using (var c = new JobContext())
using (var ms = new MemoryStream())
{
c.AddInputBytesPinned(0, inputImage);
c.AddOutputBuffer(1);
//string commandString = $"dpi={72}&maxwidth={1024}&maxheight={1024}&quality={80}";
string commandString = $"dpi={imageOptimizeParams.Dpi}&maxwidth={imageOptimizeParams.MaxWidth}&maxheight={imageOptimizeParams.MaxHeight}&quality={imageOptimizeParams.QualityPercent}";
var response = c.ExecuteImageResizer4CommandString(0, 1, commandString);
var data = response.DeserializeDynamic();
var outputStream = c.GetOutputBuffer(1);
//Assert.Equal(200, (int)data.code);
//Assert.Equal(true, (bool)data.success);
outputStream.CopyTo(ms);
return(ms.ToArray());
//httpContext.Response.ContentType = "image/png";//cbb.Properties.ContentType;
//await outputStream.CopyToAsync(httpContext.Response.Body);
}
}
public async Task <BuildJobResult> FinishAsync(CancellationToken cancellationToken)
{
var inputByteArrays = await Task.WhenAll(_inputs.Select(async pair => new KeyValuePair <int, ArraySegment <byte> >(pair.Key, await pair.Value.GetBytesAsync(cancellationToken))));
using (var ctx = new JobContext())
{
foreach (var pair in inputByteArrays)
{
ctx.AddInputBytesPinned(pair.Key, pair.Value);
}
foreach (var outId in _outputs.Keys)
{
ctx.AddOutputBuffer(outId);
}
//TODO: Use a Semaphore to limit concurrency; and move work to threadpool
var response = ctx.Execute(new
{
framewise = ToFramewise()
});
foreach (var pair in _outputs)
{
using (var stream = ctx.GetOutputBuffer(pair.Key))
{
await pair.Value.CopyFromStreamAsync(stream, cancellationToken);
}
}
return(BuildJobResult.From(response, _outputs));
}
}
public void TestExecute()
{
using (var c = new JobContext())
{
c.AddInputBytesPinned(0,
Convert.FromBase64String(
"iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAACklEQVR4nGMAAQAABQABDQottAAAAABJRU5ErkJggg=="));
c.AddOutputBuffer(1);
var message = new
{
framewise = new
{
steps = new object[]
{
new
{
decode = new
{
io_id = 0
}
},
"flip_v",
new
{
encode = new
{
io_id = 1,
preset = new
{
libjpegturbo = new
{
quality = 90
}
}
}
}
}
}
};
var response = c.SendMessage("v0.1/execute", message);
var data = response.DeserializeDynamic();
_output.WriteLine(response.GetString());
Assert.Equal(200, (int)data.code);
Assert.Equal(true, (bool)data.success);
}
}
public void TestIr4Execute()
{
using (var c = new JobContext())
{
c.AddInputBytesPinned(0,
Convert.FromBase64String(
"iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAACklEQVR4nGMAAQAABQABDQottAAAAABJRU5ErkJggg=="));
c.AddOutputBuffer(1);
var response = c.ExecuteImageResizer4CommandString(0, 1, "w=200&h=200&scale=both&format=jpg");
var data = response.DeserializeDynamic();
_output.WriteLine(response.GetString());
Assert.Equal(200, (int)data.code);
Assert.Equal(true, (bool)data.success);
}
}
internal async Task <BuildJobResult> FinishAsync(JobExecutionOptions executionOptions, SecurityOptions securityOptions, CancellationToken cancellationToken)
{
var inputByteArrays = await Task.WhenAll(_inputs.Select(async pair => new KeyValuePair <int, ArraySegment <byte> >(pair.Key, await pair.Value.GetBytesAsync(cancellationToken))));
using (var ctx = new JobContext())
{
foreach (var pair in inputByteArrays)
{
ctx.AddInputBytesPinned(pair.Key, pair.Value);
}
foreach (var outId in _outputs.Keys)
{
ctx.AddOutputBuffer(outId);
}
//TODO: Use a Semaphore to limit concurrency
var message = new
{
security = securityOptions?.ToImageflowDynamic(),
framewise = ToFramewise()
};
var response = executionOptions.OffloadCpuToThreadPool
? await Task.Run(() => ctx.Execute(message), cancellationToken)
: ctx.Execute(message);
using (response)
{
foreach (var pair in _outputs)
{
using (var stream = ctx.GetOutputBuffer(pair.Key))
{
await pair.Value.CopyFromStreamAsync(stream, cancellationToken);
}
}
return(BuildJobResult.From(response, _outputs));
}
}
}