public void Get_NewDrawingPixelColor_ReturnsDefaultColor()
{
using var drawing = new ImageSharpDrawing(1, 1);
var color = drawing.GetPixel(0, 0);
var expected = default(Color);
Assert.Equal(expected, color);
}
public void SetGet_PixelColor_ReturnsOriginalColor(int drawingHeight, int drawingWidth, int x, int y, Color expected)
{
using var drawing = new ImageSharpDrawing(drawingHeight, drawingWidth);
drawing.SetPixel(x, y, expected);
var color = drawing.GetPixel(x, y);
Assert.Equal(expected, color);
}
public void Save_Drawing_DrawingSaved(string path)
{
var fileSystem = new MockFileSystem();
using var drawing = new ImageSharpDrawing(10, 10, fileSystem);
drawing.Save(path);
Assert.True(fileSystem.FileExists(path));
}
public void Save_DisposedDrawing_ThrowsExcpetion()
{
var fileSystem = new MockFileSystem();
using var drawing = new ImageSharpDrawing(10, 10, fileSystem);
drawing.Dispose();
var path = "image.png";
Assert.Throws <ObjectDisposedException>(() => drawing.Save(path));
}
/// <summary> Renders the given scene. </summary>
public IDrawing Render(Scene scene)
{
var drawing = new ImageSharpDrawing(_screenParameters.Width, _screenParameters.Height);
var rayTracer = new RayTracer(scene, _renderParameters);
Parallel.For(0, _screenParameters.Height, (y) =>
{
for (var x = 0; x < _screenParameters.Width; ++x)
{
var direction = _viewportParameters.CameraRotation * _cameraConverter.ScreenToViewport(x, y);
var ray = new Ray(_viewportParameters.CameraPosition, direction);
var pixelColor = rayTracer.Trace(ray);
drawing.SetPixel(x, y, pixelColor);
}
});
return(drawing);
}
