Code

C#

Basic Shapes

DrawRect, DrawCircle, DrawOval, DrawLine — the core SkiaSharp drawing primitives.

Paint & Colors

SKPaint styles, stroke width, anti-alias, alpha, and dash effects.

Paths

SKPath — LineTo, CubicTo, ArcTo, star polygons, and filled shapes.

Text Rendering

DrawText with SKFont — bold/italic typefaces, stroke text, and MeasureText.

Gradients

Linear, radial, and sweep gradient shaders via SKShader.

Image Filters

Gaussian blur, drop shadow, and colour-matrix filters with SKImageFilter.

Transforms

Translate, RotateDegrees, Scale, Skew — and the Save/Restore stack.

Fiddle

Write and run SkiaSharp C# code live in the official interactive fiddle.

Paint & Colors

BeginnerSKPaint is the brush — it controls colour, style, stroke width, anti-aliasing, alpha, and effects. SKPaint API

using SkiaSharp;

SKCanvas canvas = /* ... */;

// Fill-only paint
using var fill = new SKPaint
{
    Style        = SKPaintStyle.Fill,
    Color        = new SKColor(79, 70, 229),
    IsAntialias  = true,
};
canvas.DrawCircle(70, 70, 50, fill);

// Stroke-only paint
using var stroke = new SKPaint
{
    Style        = SKPaintStyle.Stroke,
    Color        = new SKColor(225, 29, 72),
    StrokeWidth  = 4,
    IsAntialias  = true,
};
canvas.DrawCircle(200, 70, 50, stroke);

// StrokeAndFill
using var both = new SKPaint
{
    Style        = SKPaintStyle.StrokeAndFill,
    Color        = new SKColor(245, 158, 11),
    StrokeWidth  = 4,
    IsAntialias  = true,
};
canvas.DrawCircle(330, 70, 50, both);

// 50 % alpha — use the 4-arg SKColor constructor
using var alpha = new SKPaint
{
    Style       = SKPaintStyle.Fill,
    Color       = new SKColor(22, 163, 74, 128), // a=128 → 50%
    IsAntialias = true,
};
canvas.DrawRect(20, 160, 360, 60, alpha);

// Dash effect via SKPathEffect
using var dash = new SKPaint
{
    Style       = SKPaintStyle.Stroke,
    Color       = SKColors.DarkSlateGray,
    StrokeWidth = 2,
    PathEffect  = SKPathEffect.CreateDash(
        new float[] { 10, 5 }, 0),
};
canvas.DrawLine(20, 248, 380, 248, dash);

Key APIs

paint.Style — Fill, Stroke, or StrokeAndFill
paint.Color — SKColor(r, g, b) or SKColor(r, g, b, a)
paint.StrokeWidth — width in pixels when stroking
paint.IsAntialias — smooth edges (always set to true)
SKPathEffect.CreateDash(intervals, phase) — dashed / dotted lines
paint.StrokeCap — Butt, Round, or Square
paint.StrokeJoin — Miter, Round, or Bevel

Try in SkiaSharp Fiddle