public void Rgba32()
{
// Test the limits.
Assert.Equal((uint)0x0, new Rgba32(Vector4.Zero).PackedValue);
Assert.Equal(0xFFFFFFFF, new Rgba32(Vector4.One).PackedValue);
// Test ToVector4.
Assert.True(Equal(Vector4.One, new Rgba32(Vector4.One).ToVector4()));
Assert.True(Equal(Vector4.Zero, new Rgba32(Vector4.Zero).ToVector4()));
Assert.True(Equal(Vector4.UnitX, new Rgba32(Vector4.UnitX).ToVector4()));
Assert.True(Equal(Vector4.UnitY, new Rgba32(Vector4.UnitY).ToVector4()));
Assert.True(Equal(Vector4.UnitZ, new Rgba32(Vector4.UnitZ).ToVector4()));
Assert.True(Equal(Vector4.UnitW, new Rgba32(Vector4.UnitW).ToVector4()));
// Test ToScaledVector4.
Vector4 scaled = new Rgba32(Vector4.One).ToScaledVector4();
Assert.Equal(1, scaled.X);
Assert.Equal(1, scaled.Y);
Assert.Equal(1, scaled.Z);
Assert.Equal(1, scaled.W);
// Test PackFromScaledVector4.
var pixel = default(Rgba32);
pixel.PackFromScaledVector4(scaled);
Assert.Equal(0xFFFFFFFF, pixel.PackedValue);
// Test clamping.
Assert.True(Equal(Vector4.Zero, new Rgba32(Vector4.One * -1234.0f).ToVector4()));
Assert.True(Equal(Vector4.One, new Rgba32(Vector4.One * +1234.0f).ToVector4()));
float x = +0.1f;
float y = -0.3f;
float z = +0.5f;
float w = -0.7f;
var rgba32 = new Rgba32(x, y, z, w);
Assert.Equal(0x80001Au, rgba32.PackedValue);
// Test ordering
var rgb = default(Rgb24);
var rgba = default(Rgba32);
var bgr = default(Bgr24);
var bgra = default(Bgra32);
rgba32.ToRgb24(ref rgb);
Assert.Equal(rgb, new Rgb24(0x1a, 0, 0x80));
rgba32.ToRgba32(ref rgba);
Assert.Equal(rgba, new Rgba32(0x1a, 0, 0x80, 0));
rgba32.ToBgr24(ref bgr);
Assert.Equal(bgr, new Bgr24(0x1a, 0, 0x80));
rgba32.ToBgra32(ref bgra);
Assert.Equal(bgra, new Bgra32(0x1a, 0, 0x80, 0));
}
public void Color_Types_To_RgbBytes_Produce_Equal_OutPut()
{
var color = new Rgba32(24, 48, 96, 192);
var colorVector = new RgbaVector(24, 48, 96, 192);
var rgb = default(Rgb24);
var rgbVector = default(Rgb24);
color.ToRgb24(ref rgb);
colorVector.ToRgb24(ref rgbVector);
Assert.Equal(rgb, rgbVector);
}
public void Rgba32_ToRgb24()
{
// arrange
var rgba = new Rgba32(+0.1f, -0.3f, +0.5f, -0.7f);
var actual = default(Rgb24);
var expected = new Rgb24(0x1a, 0, 0x80);
// act
rgba.ToRgb24(ref actual);
// assert
Assert.Equal(expected.R, actual.R);
Assert.Equal(expected.G, actual.G);
Assert.Equal(expected.B, actual.B);
}
