public void SigmoidalTest()
{
double[] alpha = { 1, 2, 3, 4 };
double[] beta = { 0 , 5000, 20000, 30000, 40000, 65000 };
MagickWandEnvironment.Genesis();
foreach(var file in _files)
{
using(var wand = new MagickWand(file))
{
foreach(var a in alpha)
{
foreach(var b in beta)
{
using(var tmp = wand.Clone())
{
tmp.SigmoidalContrastImage(true, a, b);
WriteImage("sigmoidal", file, new string[] { a.ToString(), b.ToString() }, tmp);
}
}
}
}
}
MagickWandEnvironment.Terminus();
}
public void ContrastTest()
{
double[] alpha = { 0, .5, 1, 1.1 };
double[] beta = { 0 , 5000, 20000, 30000, 40000, 65000 };
MagickWandEnvironment.Genesis();
foreach(var file in _files)
{
using(var wand = new MagickWand(file))
{
using(var tmp = wand.Clone())
{
tmp.ContrastImage(true);
WriteImage("contrast", file, new string[] { "1" }, tmp);
tmp.ContrastImage(true);
WriteImage("contrast", file, new string[] { "2" }, tmp);
tmp.ContrastImage(true);
WriteImage("contrast", file, new string[] { "3" }, tmp);
}
}
}
MagickWandEnvironment.Terminus();
}
public uint GetOptimalQuality(MagickWand wand)
{
var tmp = $"{Path.GetTempFileName()}.jpg";
try
{
using(var tmpWand = wand.Clone())
{
tmpWand.CompressionQuality = MAX_QUALITY;
wand.WriteImage(tmp, true);
}
var opts = new ImgminOptions
{
ErrorThreshold = 0.08
};
var imgmin = new Imgmin(opts);
var result = imgmin.Minify(tmp, tmp);
if(!_quiet)
{
Console.WriteLine(result.StandardOutput);
}
// the following has not been reliable, so figure out the
// quality based on opening the tmp file.
//return Convert.ToUInt32(result.StatsAfter.Quality);
using(var qualWand = new MagickWand(tmp))
{
return qualWand.ImageCompressionQuality;
}
}
finally
{
File.Delete(tmp);
}
}
public void ContrastStretchTest()
{
double[] black = { 0, 100, 1000, 2000 };
double[] white = { 0, 50000, 60000, 65000 };
MagickWandEnvironment.Genesis();
foreach(var file in _files)
{
using(var wand = new MagickWand(file))
{
foreach(var b in black)
{
foreach(var w in white)
{
using(var tmp = wand.Clone())
{
tmp.ContrastStretchImage(b, w);
WriteImage("contrast_stretch", file, new string[] { b.ToString(), w.ToString() }, tmp);
}
}
}
}
}
MagickWandEnvironment.Terminus();
}
public void BrightnessContrastTest()
{
double[] brightness = { 0, 10, 25 };
double[] contrast = { 0, 10, 25 };
MagickWandEnvironment.Genesis();
foreach(var file in _files)
{
using(var wand = new MagickWand(file))
{
foreach(var b in brightness)
{
foreach(var c in contrast)
{
using(var tmp = wand.Clone())
{
tmp.BrightnessContrastImage(b, c);
WriteImage("brightness_contrast", file, new string[] { b.ToString(), c.ToString() }, tmp);
}
}
}
}
}
MagickWandEnvironment.Terminus();
}
public void ModulateTest()
{
double[] brightness = { 50, 100, 150 };
double[] saturation = { 0, 100, 120, 150 };
MagickWandEnvironment.Genesis();
foreach(var file in _files)
{
using(var wand = new MagickWand(file))
{
foreach(var b in brightness)
{
foreach(var s in saturation)
{
using(var tmp = wand.Clone())
{
tmp.ModulateImage(b, s, 300); // 300 = no rotation
WriteImage("modulate", file, new string[] { b.ToString(), s.ToString() }, tmp);
}
}
}
}
}
MagickWandEnvironment.Terminus();
}
public void LevelTest()
{
double[] black = { 0, 100, 1000, 2000 };
double[] white = { 0, 50000, 60000, 65000 };
MagickWandEnvironment.Genesis();
foreach(var file in _files)
{
using(var wand = new MagickWand(file))
{
foreach(var b in black)
{
foreach(var w in white)
{
using(var tmp = wand.Clone())
{
tmp.LevelImage(b, 1, w); // 1 = no gamma
WriteImage("level", file, new string[] { b.ToString(), w.ToString() }, tmp);
}
}
}
}
}
MagickWandEnvironment.Terminus();
}
public void TestNightOptimizations()
{
MagickWandEnvironment.Genesis();
using(var mw = new MagickWand("nighttest.jpg"))
{
using(var mw2 = mw.Clone())
{
mw2.AutoGammaImage();
Write(mw2, "night_AutoGammaImage.jpg");
}
using(var mw2 = mw.Clone())
{
mw2.AutoLevelImage();
Write(mw2, "night_AutoLevelImage.jpg");
}
using(var mw2 = mw.Clone())
{
mw2.LinearStretchImage(2, 98);
Write(mw2, "night_LinearStretchImage.jpg");
}
using(var mw2 = mw.Clone())
{
mw2.NormalizeImage();
Write(mw2, "night_NormalizeImage.jpg");
}
}
MagickWandEnvironment.Terminus();
}
public void TestBasicWandMethods()
{
MagickWandEnvironment.Genesis();
using(var pw = new PixelWand())
using(var mw = new MagickWand("test.jpg"))
{
pw.Red = 200;
using(var mw2 = mw.Clone())
{
mw2.AdaptiveBlurImage(5, 2);
Write(mw2, "AdaptiveBlurImage.jpg");
}
using(var mw2 = mw.Clone())
{
mw2.AdaptiveResizeImage(320, 212);
Write(mw2, "adaptiveResizeImage.jpg");
}
using(var mw2 = mw.Clone())
{
mw2.AdaptiveSharpenImage(20, 12);
Write(mw2, "AdaptiveSharpenImage.jpg");
}
using(var mw2 = mw.Clone())
{
mw2.AdaptiveThresholdImage(20, 12, 2);
Write(mw2, "AdaptiveThresholdImage.jpg");
}
using(var mw2 = mw.Clone())
{
mw2.AddNoiseImage(NoiseType.PoissonNoise);
Write(mw2, "AddNoiseImage.jpg");
}
using(var mw2 = mw.Clone())
{
mw2.AutoGammaImage();
Write(mw2, "AutoGammaImage.jpg");
}
using(var mw2 = mw.Clone())
{
mw2.AutoLevelImage();
Write(mw2, "AutoLevelImage.jpg");
}
using(var mw2 = mw.Clone())
{
mw2.AutoOrientImage();
Write(mw2, "AutoOrientImage.jpg");
}
using(var mw2 = mw.Clone())
{
mw2.BlurImage(10, 2);
Write(mw2, "BlurImage.jpg");
}
using(var mw2 = mw.Clone())
{
mw2.BorderImage(pw, 10, 10);
Write(mw2, "BorderImage.jpg");
}
using(var mw2 = mw.Clone())
{
mw2.BrightnessContrastImage(30, 20);
Write(mw2, "BrightnessContrastImage.jpg");
}
using(var mw2 = mw.Clone())
{
mw2.CharcoalImage(30, 20);
Write(mw2, "CharcoalImage.jpg");
}
using(var mw2 = mw.Clone())
{
mw2.ChopImage(30, 20, 0, 0);
Write(mw2, "ChopImage.jpg");
}
using(var mw2 = mw.Clone())
{
mw2.ClampImage();
Write(mw2, "ClampImage.jpg");
}
/*
using(var mw2 = mw.Clone())
{
mw2.ClipImage();
Write(mw2, "ClipImage.jpg");
}
*/
using(var mw2 = mw.Clone())
{
mw2.ContrastImage(true);
Write(mw2, "ContrastImage.jpg");
}
using(var mw2 = mw.Clone())
{
mw2.ContrastStretchImage(2, 98);
Write(mw2, "ContrastStretchImage.jpg");
}
using(var mw2 = mw.Clone())
{
mw2.CropImage(30, 20, 0, 0);
Write(mw2, "CropImage.jpg");
}
using(var mw2 = mw.Clone())
{
mw2.CycleColormapImage(4);
Write(mw2, "CycleColormapImage.jpg");
}
using(var mw2 = mw.Clone())
{
mw2.DeskewImage(40);
Write(mw2, "DeskewImage.jpg");
}
using(var mw2 = mw.Clone())
{
mw2.DespeckleImage();
Write(mw2, "DespeckleImage.jpg");
}
using(var mw2 = mw.Clone())
{
mw2.EdgeImage(2);
Write(mw2, "EdgeImage.jpg");
}
using(var mw2 = mw.Clone())
{
mw2.EmbossImage(12, 2);
Write(mw2, "EmbossImage.jpg");
}
using(var mw2 = mw.Clone())
{
mw2.EnhanceImage();
Write(mw2, "EnhanceImage.jpg");
}
using(var mw2 = mw.Clone())
{
mw2.EqualizeImage();
Write(mw2, "EqualizeImage.jpg");
}
using(var mw2 = mw.Clone())
{
mw2.EvaluateImage(MagickEvaluateOperator.CosineEvaluateOperator, 4);
Write(mw2, "EvaluateImage.jpg");
}
using(var mw2 = mw.Clone())
{
mw2.ExtentImage(5, 5, 0, 0);
Write(mw2, "ExtentImage.jpg");
}
using(var mw2 = mw.Clone())
{
mw2.FlipImage();
Write(mw2, "FlipImage.jpg");
}
using(var mw2 = mw.Clone())
{
mw2.FlopImage();
Write(mw2, "FlopImage.jpg");
}
using(var mw2 = mw.Clone())
{
mw2.FrameImage(pw, 10, 10, 4, 4);
Write(mw2, "FrameImage.jpg");
}
using(var mw2 = mw.Clone())
{
mw2.GammaImage(3);
Write(mw2, "GammaImage.jpg");
}
using(var mw2 = mw.Clone())
{
mw2.GaussianBlurImage(12, 3);
Write(mw2, "GaussianBlurImage.jpg");
}
using(var mw2 = mw.Clone())
{
mw2.ImplodeImage(12);
Write(mw2, "ImplodeImage.jpg");
}
using(var mw2 = mw.Clone())
{
mw2.LevelImage(2, 2.3, 98);
Write(mw2, "LevelImage.jpg");
}
using(var mw2 = mw.Clone())
{
mw2.LinearStretchImage(2, 98);
Write(mw2, "LinearStretchImage.jpg");
}
/*
using(var mw2 = mw.Clone())
{
mw2.LiquidRescaleImage(320, 212, 2, 2);
Write(mw2, "LiquidRescaleImage.jpg");
}
*/
using(var mw2 = mw.Clone())
{
mw2.LocalContrastImage(8, 4);
Write(mw2, "LocalContrastImage.jpg");
}
using(var mw2 = mw.Clone())
{
mw2.MagnifyImage();
Write(mw2, "MagnifyImage.jpg");
}
using(var mw2 = mw.Clone())
{
mw2.MinifyImage();
Write(mw2, "MinifyImage.jpg");
}
using(var mw2 = mw.Clone())
{
mw2.ModulateImage(2, 3, 4);
Write(mw2, "ModulateImage.jpg");
}
using(var mw2 = mw.Clone())
{
mw2.MotionBlurImage(12, 3, 45);
Write(mw2, "MotionBlurImage.jpg");
}
using(var mw2 = mw.Clone())
{
mw2.NegateImage(true);
Write(mw2, "NegateImage.jpg");
}
using(var mw2 = mw.Clone())
{
mw2.NormalizeImage();
Write(mw2, "NormalizeImage.jpg");
}
using(var mw2 = mw.Clone())
{
mw2.OilPaintImage(8);
Write(mw2, "OilPaintImage.jpg");
}
using(var mw2 = mw.Clone())
{
mw2.OptimizeImageTransparency();
Write(mw2, "OptimizeImageTransparency.jpg");
}
using(var mw2 = mw.Clone())
{
mw2.PosterizeImage(64, true);
Write(mw2, "PosterizeImage.jpg");
}
/*
using(var mw2 = mw.Clone())
{
mw2.ProfileImage();
Write(mw2, "ProfileImage.jpg");
}
*/
using(var mw2 = mw.Clone())
{
mw2.QuantizeImage(64, ColorspaceType.sRGBColorspace, 12, true, false);
Write(mw2, "QuantizeImage.jpg");
}
/*
using(var mw2 = mw.Clone())
{
mw2.RaiseImage(320, 212, 4, 4, true);
Write(mw2, "RaiseImage.jpg");
}
*/
using(var mw2 = mw.Clone())
{
mw2.RandomThresholdImage(5, 80);
Write(mw2, "RandomThresholdImage.jpg");
}
using(var mw2 = mw.Clone())
{
mw2.ResampleImage(96, 96, FilterTypes.Lanczos2SharpFilter, 1);
Write(mw2, "ResampleImage.jpg");
}
using(var mw2 = mw.Clone())
{
mw2.ResizeImage(320, 212, FilterTypes.Lanczos2Filter, 2);
Write(mw2, "ResizeImage.jpg");
}
using(var mw2 = mw.Clone())
{
mw2.RollImage(4, 4);
Write(mw2, "RollImage.jpg");
}
using(var mw2 = mw.Clone())
{
mw2.RotateImage(pw, 45);
Write(mw2, "RotateImage.jpg");
}
using(var mw2 = mw.Clone())
{
mw2.RotationalBlurImage(45);
Write(mw2, "RotationalBlurImage.jpg");
}
using(var mw2 = mw.Clone())
{
mw2.SampleImage(320, 212);
Write(mw2, "SampleImage.jpg");
}
using(var mw2 = mw.Clone())
{
mw2.ScaleImage(320, 212);
Write(mw2, "ScaleImage.jpg");
}
using(var mw2 = mw.Clone())
{
mw2.SegmentImage(ColorspaceType.sRGBColorspace, false, 5, 2);
Write(mw2, "SegmentImage.jpg");
}
using(var mw2 = mw.Clone())
{
mw2.SelectiveBlurImage(8, 2, 4);
Write(mw2, "SelectiveBlurImage.jpg");
}
using(var mw2 = mw.Clone())
{
mw2.SepiaToneImage(52428);
Write(mw2, "SepiaToneImage.jpg");
}
using(var mw2 = mw.Clone())
{
mw2.ShadeImage(true, 8, 8);
Write(mw2, "ShadeImage.jpg");
}
using(var mw2 = mw.Clone())
{
mw2.ShadowImage(8, 4, 0, 0);
Write(mw2, "ShadowImage.jpg");
}
using(var mw2 = mw.Clone())
{
mw2.SharpenImage(8, 4);
Write(mw2, "SharpenImage.jpg");
}
/*
using(var mw2 = mw.Clone())
{
mw2.ShaveImage(320, 212);
Write(mw2, "ShaveImage.jpg");
}
*/
using(var mw2 = mw.Clone())
{
mw2.ShearImage(pw, 12, 12);
Write(mw2, "ShearImage.jpg");
}
using(var mw2 = mw.Clone())
{
mw2.SketchImage(12, 4, 45);
Write(mw2, "SketchImage.jpg");
}
using(var mw2 = mw.Clone())
{
mw2.SolarizeImage(5);
Write(mw2, "SolarizeImage.jpg");
}
using(var mw2 = mw.Clone())
{
mw2.SpreadImage(5);
Write(mw2, "SpreadImage.jpg");
}
using(var mw2 = mw.Clone())
{
mw2.SwirlImage(5);
Write(mw2, "SwirlImage.jpg");
}
using(var mw2 = mw.Clone())
{
mw2.ThresholdImage(5);
Write(mw2, "ThresholdImage.jpg");
}
using(var mw2 = mw.Clone())
{
mw2.ThumbnailImage(320, 212);
Write(mw2, "ThumbnailImage.jpg");
}
using(var mw2 = mw.Clone())
{
mw2.TintImage(pw, pw);
Write(mw2, "TintImage.jpg");
}
using(var mw2 = mw.Clone())
{
mw2.TrimImage(8);
Write(mw2, "TrimImage.jpg");
}
using(var mw2 = mw.Clone())
{
mw2.UnsharpMaskImage(8, 2, 3, 4);
Write(mw2, "UnsharpMaskImage.jpg");
}
using(var mw2 = mw.Clone())
{
mw2.VignetteImage(8, 90, 3, 4);
Write(mw2, "VignetteImage.jpg");
}
using(var mw2 = mw.Clone())
{
mw2.WaveImage(8, 12);
Write(mw2, "WaveImage.jpg");
}
}
MagickWandEnvironment.Terminus();
}
public async Task<ProcessingResult> ProcessPhotoAsync(string filename)
{
var result = new ProcessingResult();
var jpgName = Path.ChangeExtension(filename, ".jpg");
var origPath = _pathHelper.GetSourceFilePath(filename);
var srcPath = _pathHelper.GetScaledLocalPath(SourceTarget.ScaledPathSegment, filename);
result.ExifData = await _exifReader.ReadExifDataAsync(origPath);
// always keep the original in the source dir
File.Move(origPath, srcPath);
result.Source = new ProcessedPhoto {
Target = SourceTarget,
LocalFilePath = srcPath,
WebFilePath = _pathHelper.GetScaledWebFilePath(SourceTarget.ScaledPathSegment, filename)
};
using(var wand = new MagickWand())
{
if(_rawConverter.IsRawFile(srcPath))
{
result.RawConversionResult = await _rawConverter.ConvertAsync(srcPath);
wand.ReadImage(result.RawConversionResult.OutputFile);
File.Delete(result.RawConversionResult.OutputFile);
}
else
{
wand.ReadImage(srcPath);
}
result.Source.Height = wand.ImageHeight;
result.Source.Width = wand.ImageWidth;
wand.AutoOrientImage();
wand.StripImage();
using(var optWand = wand.Clone())
{
result.OptimizationResult = _optimizer.Optimize(optWand);
// get the best compression quality for the optimized image
// (best => smallest size for negligible quality loss)
result.CompressionQuality = (short)_qualitySearcher.GetOptimalQuality(optWand);
result.Xs = ProcessTarget(wand, optWand, result.CompressionQuality, XsTarget, jpgName);
result.Sm = ProcessTarget(wand, optWand, result.CompressionQuality, SmTarget, jpgName);
result.Md = ProcessTarget(wand, optWand, result.CompressionQuality, MdTarget, jpgName);
result.Lg = ProcessTarget(wand, optWand, result.CompressionQuality, LgTarget, jpgName);
result.Print = ProcessTarget(wand, optWand, result.CompressionQuality, PrintTarget, jpgName);
}
}
return result;
}