public void SetI_Coord_ShouldCorrectlySetPixel(int x, int y, int color)
{
FastBitmap bmp = FastBmp;
bmp.SetI(x, y, color);
Assert.Equal(color, bmp.GetI(x, y));
}
private static Bitmap GrayDiff(Bitmap b1, Bitmap b2)
{
var res = new Bitmap(b1.Width, b1.Height);
using (var fb1 = new FastBitmap(b1))
using (var fb2 = new FastBitmap(b2))
using (var fb3 = new FastBitmap(res))
{
for (var i = 0; i < fb1.Count; i++)
{
var diff = (byte)Math.Abs(fb1.GetI(i).r - fb2.GetI(i).r);
fb3.SetI(i, (diff, diff, diff));
}
}
var(min, max) = ((byte)255, (byte)0);
FastBitmap.ForEach(res, cl =>
{
if (cl.r > max)
{
max = cl.r;
}
if (cl.r < min)
{
min = cl.r;
}
});
return(FastBitmap.Select(res, cl =>
{
var t = (byte)((cl.r - min) / (double)(max - min) * 255);
return (t, t, t);
}));;
}
public void TrySetI_Coord_ShouldCorrectlySetPixel(int x, int y, int color, bool expected)
{
FastBitmap bmp = FastBmp;
bool result = bmp.TrySetI(x, y, color);
Assert.Equal(expected, result);
Assert.Equal(color, expected ? bmp.GetI(x, y) : color);
}
public void Write_ShouldWriteFromBuffer(int[] buffer, int offset, int count, int position, int expectedWrite)
{
int write = FastBmp.Write(buffer, offset, count, position);
Assert.Equal(expectedWrite, write);
for (int i = 0; i < expectedWrite; i++)
{
Assert.Equal(buffer[i + offset], FastBmp.GetI(i + position));
}
}
public void GetI_ShouldThrowException(int index)
{
FastBitmap bmp = FastBmp;
Assert.Throws <IndexOutOfRangeException>(() => bmp.GetI(index));
}
public void GetI_ShouldReturnCorrectValue(int index, int expected)
{
FastBitmap bmp = FastBmp;
Assert.Equal(expected, bmp.GetI(index));
}
public void GetI_Coord_ShouldThrowException(int x, int y)
{
FastBitmap bmp = FastBmp;
Assert.Throws <IndexOutOfRangeException>(() => bmp.GetI(x, y));
}
public void GetI_Coord_ShouldReturnCorrectValue(int x, int y, int expected)
{
FastBitmap bmp = FastBmp;
Assert.Equal(expected, bmp.GetI(x, y));
}
public static void Main(string[] args)
{
Console.WriteLine("FastBitmap (v1.2.0) Benchmarking App");
Console.WriteLine("------------------------------------------------");
//
// Single-Core Passthrough Benchmarks
//
BenchmarkTest pt = new BenchmarkTest
{
Name = "Single-Core Passthrough Benchmark",
IterationCount = 3
};
// System.Drawing.Bitmap Coord Benchmark
pt.AddBenchmark("SysBitmap Coord", () =>
{
using (Bitmap src = new Bitmap(Image.FromFile("image.jpg")))
using (Bitmap dst = new Bitmap(src.Width, src.Height))
{
Stopwatch sw = new Stopwatch();
sw.Start();
for (int x = 0; x < dst.Width; x++)
{
for (int y = 0; y < dst.Height; y++)
{
dst.SetPixel(x, y, src.GetPixel(x, y));
}
}
sw.Stop();
dst.Save("SystemBitmap.jpg");
return(src.Width * src.Height / sw.Elapsed.TotalSeconds);
}
});
// FastBitmap Coord Benchmark
pt.AddBenchmark("FastBitmap Coord", () =>
{
using (FastBitmap src = FastBitmap.FromFile("image.jpg"))
using (FastBitmap dst = new FastBitmap(src.Width, src.Height))
{
Stopwatch sw = new Stopwatch();
sw.Start();
for (int x = 0; x < dst.Width; x++)
{
for (int y = 0; y < dst.Height; y++)
{
dst.Set(x, y, src.Get(x, y));
}
}
sw.Stop();
dst.Save("FastBitmapCoord.jpg");
return(src.Length / sw.Elapsed.TotalSeconds);
}
});
// FastBitmap Index Benchmark
pt.AddBenchmark("FastBitmap Index", () =>
{
using (FastBitmap src = FastBitmap.FromFile("image.jpg"))
using (FastBitmap dst = new FastBitmap(src.Width, src.Height))
{
Stopwatch sw = new Stopwatch();
sw.Start();
for (int i = 0; i < dst.Length; i++)
{
dst.Set(i, src.Get(i));
}
sw.Stop();
dst.Save("FastBitmapIndex.jpg");
return(src.Length / sw.Elapsed.TotalSeconds);
}
});
// FastBitmap Int32 Coord Benchmark
pt.AddBenchmark("FastBitmap Int32 Coord", () =>
{
using (FastBitmap src = FastBitmap.FromFile("image.jpg"))
using (FastBitmap dst = new FastBitmap(src.Width, src.Height))
{
Stopwatch sw = new Stopwatch();
sw.Start();
for (int x = 0; x < dst.Width; x++)
{
for (int y = 0; y < dst.Height; y++)
{
dst.SetI(x, y, src.GetI(x, y));
}
}
sw.Stop();
dst.Save("FastBitmapInt32Coord.jpg");
return(src.Length / sw.Elapsed.TotalSeconds);
}
});
// FastBitmap Int32 Index Benchmark
pt.AddBenchmark("FastBitmap Int32 Index", () =>
{
using (FastBitmap src = FastBitmap.FromFile("image.jpg"))
using (FastBitmap dst = new FastBitmap(src.Width, src.Height))
{
Stopwatch sw = new Stopwatch();
sw.Start();
for (int i = 0; i < dst.Length; i++)
{
dst.SetI(i, src.GetI(i));
}
sw.Stop();
dst.Save("FastBitmapInt32Index.jpg");
return(src.Length / sw.Elapsed.TotalSeconds);
}
});
// Run Passthrough
pt.Run();
// Render Graph
FastBitmap graph = pt.DrawGraph();
graph.Save("graph.png", ImageFormat.Png);
graph.Dispose();
// Finished.
Console.Write("\nAll Benchmarks Completed");
Console.Read();
}