public void WarpAffineTransform()
{
var filePath = System.IO.Path.Combine(TestContext.CurrentContext.TestDirectory, "Resources\\shannon.jpg");
var src = MemoryBitmap.Load(filePath, Codecs.OpenCvCodec.Default);
var dst = new MemoryBitmap(512, 512, src.Info.PixelFormat);
var xform = System.Numerics.Matrix3x2.CreateScale(1.3f, 1.3f) * System.Numerics.Matrix3x2.CreateRotation(0.25f);
xform.Translation = new System.Numerics.Vector2(5, 40);
using (PerformanceBenchmark.Run(t => TestContext.WriteLine($"OpenCV {t}")))
{
using var bm = PerformanceBenchmark.Run(result => TestContext.WriteLine(result.TotalMilliseconds));
OpenCvSharp4Toolkit.WarpAffine(src, dst, xform);
}
dst.Save(new AttachmentInfo("result.opencv.jpg"));
dst.AsSpanBitmap().WritableBytes.Fill(0);
using (PerformanceBenchmark.Run(t => TestContext.WriteLine($"Soft {t}")))
{
using var bm = PerformanceBenchmark.Run(result => TestContext.WriteLine(result.TotalMilliseconds));
dst.AsSpanBitmap().SetPixels(xform, src);
}
dst.Save(new AttachmentInfo("result.soft.jpg"));
}
public void FillRuleTest()
{
int scale = 1;
var bmp = new MemoryBitmap <Pixel.BGR24>(16 * scale, 8 * scale);
for (int y = 0; y < bmp.Height; ++y)
{
for (int x = 0; x < bmp.Width; ++x)
{
var z = ((x / scale) & 1) ^ ((y / scale) & 1);
if (z == 1)
{
bmp.SetPixel(x, y, Pixel.GetColor <Pixel.BGR24>(System.Drawing.Color.DarkGray));
}
}
}
var dc = bmp.CreateDrawingContext();
foreach (var tri in _Triangle.GetFillRuleTriangles())
{
dc.DrawPolygon(System.Drawing.Color.Red, tri.A * scale, tri.B * scale, tri.C * scale);
}
bmp.Save(new AttachmentInfo("result.png"));
}
public void DrawBitmapFont()
{
TestContext.CurrentContext.AttachFolderBrowserShortcut();
// test glyph splitter
var spriteFont = Graphics.Bitmaps.Fonts.XnaSpriteFont.Load("Resources\\SegoeUiMono16.png");
Assert.AreEqual(224, spriteFont.Glyphs.Count);
// for(int i=0; i < glyphs.Length; ++i) { glyphs[i].Save(new AttachmentInfo($"glyph {i}.png")); }
// create font and raw some text:
var font = MemoryBitmap <Pixel.BGRA32> .Load("Resources\\SegoeUiMono16.png").ToBitmapFont();
var dst = new MemoryBitmap <Pixel.BGR24>(512, 512);
var xform = Matrix3x2.CreateScale(2) * Matrix3x2.CreateRotation(0.2f) * Matrix3x2.CreateTranslation(5, 5);
dst.CreateDrawingContext().DrawTextLine(xform, "Hello world!", -1, (font, System.Drawing.Color.White));
xform *= Matrix3x2.CreateTranslation(0, 40);
dst.CreateDrawingContext().DrawTextLine(xform, "Hello world!", 20, (font, System.Drawing.Color.White));
xform *= Matrix3x2.CreateTranslation(0, 40);
dst.CreateDrawingContext().DrawTextLine(xform, "Hello world!", 20, (Fonts.HersheyFont.Simplex, System.Drawing.Color.White));
xform *= Matrix3x2.CreateTranslation(0, 40);
dst.CreateDrawingContext().DrawTextLine(xform, "Hello world!", 20, System.Drawing.Color.Red);
dst.Save(new AttachmentInfo("text.png"));
}
// [TestCase("Resources\\yukikaze.jpg")]
public void TestAnime2Sketch(string imagePath)
{
var srcImage = MemoryBitmap.Load(imagePath, GDICodec.Default);
MemoryBitmap <Pixel.Luminance8> dstImage = default;
using (var filter = new Anime2SketchFilter())
{
filter.Filter(srcImage, ref dstImage);
}
dstImage.Save(new AttachmentInfo(imagePath));
}
private static void _DrawTransformedBitmapWithMulAdd <TPixel>(float mul, float add)
where TPixel : unmanaged
{
var src = MemoryBitmap <Pixel.BGR24> .Load(ResourceInfo.From("shannon.jpg"));
var dst = new MemoryBitmap <TPixel>(256, 256);
var xform = System.Numerics.Matrix3x2.CreateScale(dst.Width / (float)src.Width, dst.Height / (float)src.Height);
dst.AsSpanBitmap().SetPixels <Pixel.BGR24>(xform, src, true, (mul, add));
dst.Save(AttachmentInfo.From($"result-{typeof(TPixel).Name}.jpg"));
}
public void TestRealESRGAN(string imagePath)
{
// https://onnxruntime.ai/docs/tutorials/resnet50_csharp.html
var srcImage = MemoryBitmap.Load(imagePath, GDICodec.Default);
using var modelFactory = new MultiresModels(OnnxModel.FromFile);
modelFactory.Register(16, 16, "Models\\realesrgan_16x16.onnx");
modelFactory.Register(32, 32, "Models\\realesrgan_32x32.onnx");
modelFactory.Register(64, 64, "Models\\realesrgan_64x64.onnx");
modelFactory.Register(128, 128, "Models\\realesrgan_128x128.onnx");
modelFactory.Register(256, 256, "Models\\realesrgan_256x256.onnx");
modelFactory.Register(320, 240, "Models\\realesrgan_240x320.onnx");
modelFactory.Register(320, 320, "Models\\realesrgan_320x320.onnx");
modelFactory.Register(640, 480, "Models\\realesrgan_480x640.onnx");
var imagePreprocessor = new ImageProcessor <Pixel.BGR96F>();
var model = modelFactory.UseModel(srcImage.Width, srcImage.Height);
var modelOptions = (model as IServiceProvider).GetService(typeof(Microsoft.ML.OnnxRuntime.SessionOptions)) as Microsoft.ML.OnnxRuntime.SessionOptions;
modelOptions.GraphOptimizationLevel = Microsoft.ML.OnnxRuntime.GraphOptimizationLevel.ORT_DISABLE_ALL;
using (var session = model.CreateSession())
{
var workingTensor = session.GetInputTensor <float>(0)
.AsSpanTensor4()
.GetSubTensor(0)
.SetImage(srcImage, imagePreprocessor);
// run
session.Inference();
// get results
var result = session.GetOutputTensor <float>(0)
.AsSpanTensor4()
.GetSubTensor(0);
MemoryBitmap <Pixel.BGR24> resultBitmap = default;
result
.AsTensorBitmap(Tensors.Imaging.ColorEncoding.BGR)
.CopyTo(ref resultBitmap);
resultBitmap.Save(new AttachmentInfo(imagePath));
}
}
public void DrawLinesTest()
{
var bmp = new MemoryBitmap <Pixel.BGR24>(512, 512);
var dc = bmp.CreateDrawingContext();
dc.DrawLine((2, 2), (30, 10), 1, System.Drawing.Color.Red);
dc.DrawLine((2, 2), (30, 50), 1, System.Drawing.Color.Blue);
dc.DrawLine((40, 60), (80, 160), 9, LineStyle.Yellow.With(LineCapStyle.Round).WithOutline(System.Drawing.Color.Green, 1));
dc.DrawLine((180, 260), (800, 300), 9, LineStyle.Yellow.With(LineCapStyle.Round).WithOutline(System.Drawing.Color.Green, 1));
bmp.Save(new AttachmentInfo("result.png"));
}
public void DrawingTest()
{
var bmp = new MemoryBitmap <Pixel.BGR24>(512, 512);
var cat = MemoryBitmap.Load("Resources\\cat.png", Codecs.GDICodec.Default);
var asset = new ImageSource(cat, (0, 0), (32, 35), (15, 15));
var dc = bmp.CreateDrawingContext();
dc.DrawConsoleFont((10, 10), "Hello World 0123456789-+/*", System.Drawing.Color.White);
dc.DrawConsoleFont((10, 40), "abcdefghijklmnopqrstuvwxyz", System.Drawing.Color.White);
dc.DrawConsoleFont((10, 70), "ABCDEFGHIJKLMNOPQRSTUVWXYZ", System.Drawing.Color.White);
dc.DrawTextLine((10, 200), "Abc123", 15, FontStyle.White);
dc.DrawTextLine(Matrix3x2.CreateRotation(1, new Vector2(10, 350)), "Abc123", 15, FontStyle.White.With(3));
dc.DrawEllipse((200, 200), 50, 50, (System.Drawing.Color.Red, System.Drawing.Color.Blue, 3));
dc.DrawImage(Matrix3x2.CreateScale(3) * Matrix3x2.CreateRotation(1) * Matrix3x2.CreateTranslation(70, 150), asset);
bmp.Save(new AttachmentInfo("result.png"));
}
public void SaveBitmapToFile(string path, System.Drawing.Imaging.ImageFormat format)
{
MemoryBitmap.Save(path, format);
}