public void CreateMemoryBitmap()
{
var m1 = new MemoryBitmap <UInt32>(16, 16, Pixel.BGRA32.Format);
m1.SetPixels(0xff406040);
m1.Save(new AttachmentInfo("result.png"));
}
public void TestTransform(bool useBilinear)
{
var src = LoadShannonImage().OfType <Pixel.BGR24>();
src.Save(new AttachmentInfo("input.png"));
var filePath = System.IO.Path.Combine(TestContext.CurrentContext.TestDirectory, "Resources\\cat.png");
var cat00 = MemoryBitmap
.Load(filePath, Codecs.GDICodec.Default)
.OfType <Pixel.BGRA32>();
filePath = System.IO.Path.Combine(TestContext.CurrentContext.TestDirectory, "Resources\\QRCode.png");
var qrcode = MemoryBitmap
.Load(filePath, Codecs.GDICodec.Default)
.OfType <Pixel.BGRA32>();
var x = Matrix3x2.CreateScale(0.75f, 0.75f) * Matrix3x2.CreateRotation(0.25f);
x.Translation = new Vector2(20, 20);
Matrix3x2.Invert(x, out var xx);
var dst = new MemoryBitmap <Pixel.BGR24>(512, 512);
using (PerformanceBenchmark.Run(t => TestContext.WriteLine($"Transform {(int)t.TotalMilliseconds}ms")))
{
dst.AsSpanBitmap().SetPixels(xx, src.AsSpanBitmap(), useBilinear);
}
for (float r = 0.1f; r < 1; r += 0.2f)
{
// 1st API
var xform = Matrix3x2.CreateRotation(r) * Matrix3x2.CreateTranslation(50, 15);
xform = Matrix3x2.CreateTranslation(-50, -50) * xform * Matrix3x2.CreateTranslation(50, 50);
xform = xform * Matrix3x2.CreateScale(3, 3);
dst.AsSpanBitmap().SetPixels(xform, cat00.AsSpanBitmap(), useBilinear, r);
DrawBounds(dst, cat00.Bounds, xform, Colors.Red);
// 2nd API
xform *= Matrix3x2.CreateTranslation(0, 150);
dst.AsSpanBitmap().SetPixels(xform, cat00.AsSpanBitmap(), useBilinear, r);
DrawBounds(dst, cat00.Bounds, xform, Colors.Red);
}
dst.AsSpanBitmap().SetPixels(Matrix3x2.CreateScale(3), cat00.AsSpanBitmap(), useBilinear);
dst.AsSpanBitmap().SetPixels(Matrix3x2.CreateScale(-.6f) * Matrix3x2.CreateTranslation(40, 200), cat00.AsSpanBitmap(), useBilinear);
dst.AsSpanBitmap().SetPixels(Matrix3x2.CreateScale(.3f) * Matrix3x2.CreateRotation(1) * Matrix3x2.CreateTranslation(150, 300), qrcode.AsSpanBitmap(), useBilinear);
dst.Save(new AttachmentInfo("transformed.png"));
}
public void LoadKinect2ColorFrame()
{
TestContext.CurrentContext.AttachFolderBrowserShortcut();
var src = MemoryBitmap <ushort> .Load(ResourceInfo.From("Kinect2Color.InteropBmp"));
var dst = new MemoryBitmap <Pixel.BGR24>(src.Width, src.Height);
dst.AsSpanBitmap().SetPixelsFromYUY2(src);
dst.Save(AttachmentInfo.From("kinect2color.jpg"));
}
public void TestTransformWithConversion()
{
var src = LoadShannonImage().OfType <Pixel.BGR24>();
src.Save(new AttachmentInfo("input.png"));
var dst = new MemoryBitmap <Pixel.RGB96F>(512, 512);
dst.AsSpanBitmap().SetPixels(Matrix3x2.CreateScale(0.7f), src.AsSpanBitmap(), true, 1);
dst.Save(new AttachmentInfo("transformed.png"));
}
public void CopyPixelsWithStride()
{
var m1 = new MemoryBitmap <UInt32>(16, 16, Pixel.BGRA32.Format);
m1.SetPixel(0, 0, 0xff00ff00);
m1.SetPixel(0, 1, 0xffff00ff);
var m2 = new MemoryBitmap <UInt32>(16, 16, Pixel.BGRA32.Format, 17 * 4);
m2.SetPixels(0, 0, m1);
m2.Save(new AttachmentInfo("result.png"));
Assert.AreEqual(0xff00ff00, m2.GetPixel(0, 0));
Assert.AreEqual(0xffff00ff, m2.GetPixel(0, 1));
}
public void ResizeTest1(int dstSize)
{
var src = LoadShannonImage();
var dst = new MemoryBitmap(dstSize, dstSize, Pixel.BGR24.Format, dstSize * 3 + 17);
BitmapsToolkit.FitPixels(src, dst, (0, 1));
var sw = System.Diagnostics.Stopwatch.StartNew();
BitmapsToolkit.FitPixels(src, dst, (0, 1));
var elapsed = sw.Elapsed;
TestContext.WriteLine($"{elapsed.Milliseconds}ms {elapsed.Ticks}ticks");
src.Save(AttachmentInfo.From("input.png"));
dst.Save(AttachmentInfo.From($"output_{dstSize}.png"));
}
public void SetPixels()
{
var dst = new MemoryBitmap <Byte>(16, 16, Pixel.Luminance8.Format);
var src = new MemoryBitmap <Byte>(8, 8, Pixel.Luminance8.Format);
src.SetPixels(50);
dst.SetPixels(4, 4, src);
src.SetPixels(255);
dst.SetPixels(-4, -4, src);
src.SetPixels(130);
dst.SetPixels(12, -4, src);
src.SetPixels(255);
dst.SetPixels(12, 12, src);
src.SetPixels(70);
dst.SetPixels(-4, 12, src);
dst.SetPixels(-50, 0, src);
dst.Save(new AttachmentInfo("Result.png"));
}
public static System.IO.FileInfo WriteImage(this AttachmentInfo ainfo, MemoryBitmap image)
{
return(ainfo.WriteObject(f => image.Save(f)));
}