public void ImageShouldBeOverlayedByPath()
{
string path = TestEnvironment.CreateOutputDirectory("Drawing", "Path");
using (var image = new Image <Rgba32>(500, 500))
{
var linerSegemnt = new LinearLineSegment(
new Vector2(10, 10),
new Vector2(200, 150),
new Vector2(50, 300));
var bazierSegment = new CubicBezierLineSegment(
new Vector2(50, 300),
new Vector2(500, 500),
new Vector2(60, 10),
new Vector2(10, 400));
var p = new Path(linerSegemnt, bazierSegment);
image.Mutate(x => x.BackgroundColor(Rgba32.Blue));
image.Mutate(x => x.Draw(Rgba32.HotPink, 5, p));
image.Save($"{path}/Simple.png");
Buffer2D <Rgba32> sourcePixels = image.GetRootFramePixelBuffer();
Assert.Equal(Rgba32.HotPink, sourcePixels[11, 11]);
Assert.Equal(Rgba32.HotPink, sourcePixels[199, 149]);
Assert.Equal(Rgba32.Blue, sourcePixels[50, 50]);
}
}
public void DrawPath <TPixel>(TestImageProvider <TPixel> provider, string colorName, byte alpha, float thickness)
where TPixel : unmanaged, IPixel <TPixel>
{
var linearSegment = new LinearLineSegment(
new Vector2(10, 10),
new Vector2(200, 150),
new Vector2(50, 300));
var bezierSegment = new CubicBezierLineSegment(
new Vector2(50, 300),
new Vector2(500, 500),
new Vector2(60, 10),
new Vector2(10, 400));
var path = new Path(linearSegment, bezierSegment);
Rgba32 rgba = TestUtils.GetColorByName(colorName);
rgba.A = alpha;
Color color = rgba;
FormattableString testDetails = $"{colorName}_A{alpha}_T{thickness}";
provider.RunValidatingProcessorTest(
x => x.Draw(color, thickness, path),
testDetails,
appendPixelTypeToFileName: false,
appendSourceFileOrDescription: false);
}
public void ImageShouldBeOverlayedByPath()
{
string path = TestEnvironment.CreateOutputDirectory("Drawing", "Path");
using (Image <Rgba32> image = new Image <Rgba32>(500, 500))
{
LinearLineSegment linerSegemnt = new LinearLineSegment(
new Vector2(10, 10),
new Vector2(200, 150),
new Vector2(50, 300));
CubicBezierLineSegment bazierSegment = new CubicBezierLineSegment(new Vector2(50, 300),
new Vector2(500, 500),
new Vector2(60, 10),
new Vector2(10, 400));
ShapePath p = new ShapePath(linerSegemnt, bazierSegment);
image.Mutate(x => x
.BackgroundColor(Rgba32.Blue)
.Draw(Rgba32.HotPink, 5, p));
image.Save($"{path}/Simple.png");
using (PixelAccessor <Rgba32> sourcePixels = image.Lock())
{
Assert.Equal(Rgba32.HotPink, sourcePixels[11, 11]);
Assert.Equal(Rgba32.HotPink, sourcePixels[199, 149]);
Assert.Equal(Rgba32.Blue, sourcePixels[50, 50]);
}
}
}
public void DrawPath <TPixel>(TestImageProvider <TPixel> provider, string colorName, byte alpha, float thickness)
where TPixel : unmanaged, IPixel <TPixel>
{
var linearSegment = new LinearLineSegment(
new Vector2(10, 10),
new Vector2(200, 150),
new Vector2(50, 300));
var bezierSegment = new CubicBezierLineSegment(
new Vector2(50, 300),
new Vector2(500, 500),
new Vector2(60, 10),
new Vector2(10, 400));
var ellipticArcSegment1 = new EllipticalArcLineSegment(80, 425, (float)Math.Sqrt(5525), 40, (float)(Math.Atan2(25, 70) * 180 / Math.PI), -90, -180, Matrix3x2.Identity);
var ellipticArcSegment2 = new EllipticalArcLineSegment(150, 520, 140, 70, 0, 180, 360, Matrix3x2.Identity);
var path = new Path(linearSegment, bezierSegment, ellipticArcSegment1, ellipticArcSegment2);
Rgba32 rgba = TestUtils.GetColorByName(colorName);
rgba.A = alpha;
Color color = rgba;
FormattableString testDetails = $"{colorName}_A{alpha}_T{thickness}";
provider.RunValidatingProcessorTest(
x => x.Draw(color, thickness, path),
testDetails,
appendPixelTypeToFileName: false,
appendSourceFileOrDescription: false);
}
public void SingleSegmentConstructor()
{
var segment = new CubicBezierLineSegment(new Vector2(0, 0), new Vector2(10, 0), new Vector2(10, 0), new Vector2(20, 0));
IReadOnlyList <PointF> points = segment.Flatten();
Assert.Contains(new Vector2(0, 0), points);
Assert.Contains(new Vector2(10, 0), points);
Assert.Contains(new Vector2(20, 0), points);
}
public void SingleSegmentConstructor()
{
CubicBezierLineSegment segment = new CubicBezierLineSegment(new Vector2(0, 0), new Vector2(10, 0), new Vector2(10, 0), new Vector2(20, 0));
var points = segment.Flatten();
Assert.Contains(new Vector2(0, 0), points);
Assert.Contains(new Vector2(10, 0), points);
Assert.Contains(new Vector2(20, 0), points);
}
private void VerifyPoints(PointF[] expectedPoints, IPath path)
{
Path innerPath = Assert.IsType <Path>(path);
ILineSegment segment = Assert.Single(innerPath.LineSegments);
CubicBezierLineSegment bezierSegment = Assert.IsType <CubicBezierLineSegment>(segment);
Assert.Equal(expectedPoints, bezierSegment.ControlPoints.ToArray());
ISimplePath simplePath = Assert.Single(path.Flatten());
Assert.False(simplePath.IsClosed);
}
public void ImageShouldBeOverlayedPathWithOpacity()
{
string path = TestEnvironment.CreateOutputDirectory("Drawing", "Path");
Rgba32 color = new Rgba32(Rgba32.HotPink.R, Rgba32.HotPink.G, Rgba32.HotPink.B, 150);
LinearLineSegment linerSegemnt = new LinearLineSegment(
new Vector2(10, 10),
new Vector2(200, 150),
new Vector2(50, 300)
);
CubicBezierLineSegment bazierSegment = new CubicBezierLineSegment(new Vector2(50, 300),
new Vector2(500, 500),
new Vector2(60, 10),
new Vector2(10, 400));
ShapePath p = new ShapePath(linerSegemnt, bazierSegment);
using (Image <Rgba32> image = new Image <Rgba32>(500, 500))
{
image.Mutate(x => x
.BackgroundColor(Rgba32.Blue)
.Draw(color, 10, p));
image.Save($"{path}/Opacity.png");
//shift background color towards forground color by the opacity amount
Rgba32 mergedColor = new Rgba32(Vector4.Lerp(Rgba32.Blue.ToVector4(), Rgba32.HotPink.ToVector4(), 150f / 255f));
using (PixelAccessor <Rgba32> sourcePixels = image.Lock())
{
Assert.Equal(mergedColor, sourcePixels[11, 11]);
Assert.Equal(mergedColor, sourcePixels[199, 149]);
Assert.Equal(Rgba32.Blue, sourcePixels[50, 50]);
}
}
}
