protected async Task <byte[]> ResizeImageBytes(byte[] imageData, uint?desiredWidth, uint?desiredHeight)
{
using (var job = new FluentBuildJob())
{
var res = await job.Decode(imageData).ConstrainWithin(desiredWidth, desiredHeight)
.EncodeToBytes(new LibPngEncoder()).FinishAsync();
var bytes = res.First.TryGetBytes();
return(bytes.HasValue ? bytes.Value.Array : new byte[] {});
}
}
protected async Task <(int Width, int Height)> GetImageSize(string filename)
{
using (var job = new FluentBuildJob())
{
var imageData = System.IO.File.ReadAllBytes(filename);
var res = await job.Decode(imageData)
.EncodeToBytes(new LibPngEncoder()).FinishAsync();
return(res.First.Width, res.First.Height);
}
}
public async Task TestBuildJob()
{
var imageBytes = Convert.FromBase64String("iVBORw0KGgoAAAANSUhEUgAAAAEAAAABAQMAAAAl21bKAAAAA1BMVEX/TQBcNTh/AAAAAXRSTlPM0jRW/QAAAApJREFUeJxjYgAAAAYAAzY3fKgAAAAASUVORK5CYII=");
using (var b = new FluentBuildJob())
{
var r = await b.Decode(imageBytes).FlipHorizontal().Rotate90().Distort(30, 20).ConstrainWithin(5, 5)
.EncodeToBytes(new GifEncoder()).Finish().InProcessAsync();
Assert.Equal(5, r.First.Width);
Assert.True(r.First.TryGetBytes().HasValue);
}
}
public async Task TestFilesystemJobPrep()
{
var isUnix = Environment.OSVersion.Platform == PlatformID.Unix || Environment.OSVersion.Platform == PlatformID.MacOSX;
var imageBytes = Convert.FromBase64String(
"iVBORw0KGgoAAAANSUhEUgAAAAEAAAABAQMAAAAl21bKAAAAA1BMVEX/TQBcNTh/AAAAAXRSTlPM0jRW/QAAAApJREFUeJxjYgAAAAYAAzY3fKgAAAAASUVORK5CYII=");
using (var b = new FluentBuildJob())
{
string jsonPath;
using (var job = await b.Decode(imageBytes).FlipHorizontal().Rotate90().Distort(30, 20)
.ConstrainWithin(5, 5)
.EncodeToBytes(new GifEncoder()).FinishWithTimeout(2000)
.WriteJsonJobAndInputs(true))
{
jsonPath = job.JsonPath;
if (isUnix)
{
Assert.True(File.Exists(jsonPath));
}
else
{
using (var file = System.IO.MemoryMappedFiles.MemoryMappedFile.OpenExisting(jsonPath))
{
} // Will throw filenotfoundexception if missing
}
}
if (isUnix)
{
Assert.False(File.Exists(jsonPath));
}
else
{
Assert.Throws <FileNotFoundException>(delegate()
{
using (var file = System.IO.MemoryMappedFiles.MemoryMappedFile.OpenExisting(jsonPath))
{
}
});
}
}
}
/// <summary>
/// Resizes the specified image bytes.
/// </summary>
public async Task <byte[]> Resize(byte[] imageBytes, int maxSize)
{
if (imageBytes.Length == 0)
{
return(imageBytes);
}
using (var stream = new MemoryStream())
{
using (var b = new FluentBuildJob())
{
await b.Decode(imageBytes)
.ConstrainWithin((uint)maxSize, (uint)maxSize)
.Encode(new StreamDestination(stream, true), new LibJpegTurboEncoder())
.FinishAsync();
}
return(stream.GetBuffer());
}
}
protected static async Task <byte[]> ResizeImageBytes(byte[] imageData, uint?desiredWidth, uint?desiredHeight, IEmailSender _emailSender)
{
try
{
using (var job = new FluentBuildJob())
{
var res = await job.Decode(imageData).ConstrainWithin(desiredWidth, desiredHeight)
.EncodeToBytes(new LibJpegTurboEncoder()).Finish().InProcessAsync();
var bytes = res.First.TryGetBytes();
return(bytes.HasValue ? bytes.Value.Array : new byte[] { });
}
}
catch (Exception ex)
{
await _emailSender.SendEmailAsync("*****@*****.**", "Error La Pesca en Línea ", ex.ToString());
return(null);
}
}
public async Task TestFilesystemJobPrep()
{
var imageBytes = Convert.FromBase64String(
"iVBORw0KGgoAAAANSUhEUgAAAAEAAAABAQMAAAAl21bKAAAAA1BMVEX/TQBcNTh/AAAAAXRSTlPM0jRW/QAAAApJREFUeJxjYgAAAAYAAzY3fKgAAAAASUVORK5CYII=");
using (var b = new FluentBuildJob())
{
string jsonPath;
using (var job = await b.Decode(imageBytes).FlipHorizontal().Rotate90().Distort(30, 20)
.ConstrainWithin(5, 5)
.EncodeToBytes(new GifEncoder()).FinishWithTimeout(2000)
.WriteJsonJobAndInputs(true))
{
jsonPath = job.JsonPath;
Assert.True(File.Exists(jsonPath));
}
Assert.False(File.Exists(jsonPath));
}
}
public async Task TestBuildJobSubprocess()
{
string imageflowTool = Environment.GetEnvironmentVariable("IMAGEFLOW_TOOL");
if (!string.IsNullOrWhiteSpace(imageflowTool))
{
var imageBytes = Convert.FromBase64String(
"iVBORw0KGgoAAAANSUhEUgAAAAEAAAABAQMAAAAl21bKAAAAA1BMVEX/TQBcNTh/AAAAAXRSTlPM0jRW/QAAAApJREFUeJxjYgAAAAYAAzY3fKgAAAAASUVORK5CYII=");
using (var b = new FluentBuildJob())
{
var r = await b.Decode(imageBytes).FlipHorizontal().Rotate90().Distort(30, 20).ConstrainWithin(5, 5)
.EncodeToBytes(new GifEncoder()).FinishWithTimeout(2000)
.InSubprocessAsync(imageflowTool);
// ExecutableLocator.FindExecutable("imageflow_tool", new [] {"/home/n/Documents/imazen/imageflow/target/release/"})
Assert.Equal(5, r.First.Width);
Assert.True(r.First.TryGetBytes().HasValue);
}
}
}
public async Task TestCustomDownscaling()
{
var imageBytes = Convert.FromBase64String("iVBORw0KGgoAAAANSUhEUgAAAAEAAAABAQMAAAAl21bKAAAAA1BMVEX/TQBcNTh/AAAAAXRSTlPM0jRW/QAAAApJREFUeJxjYgAAAAYAAzY3fKgAAAAASUVORK5CYII=");
using (var b = new FluentBuildJob())
{
var cmd = new DecodeCommands
{
DownscaleHint = new Size(20, 20),
DownscalingMode = DecderDownscalingMode.Fastest,
DiscardColorProfile = true
};
var r = await b.Decode(new BytesSource(imageBytes), 0, cmd)
.Distort(30, 20, 50.0f, InterpolationFilter.RobidouxFast, InterpolationFilter.Cubic)
.ConstrainWithin(5, 5)
.EncodeToBytes(new LibPngEncoder()).Finish().InProcessAsync();
Assert.Equal(5, r.First.Width);
Assert.True(r.First.TryGetBytes().HasValue);
}
}