/// <summary>
/// Creates a filled circle.
/// </summary>
/// <param name="image">The surface.</param>
/// <param name="x">X.</param>
/// <param name="y">Y.</param>
/// <param name="radius">The radius.</param>
/// <param name="color">The color.</param>
public static void FillCircle(this BCGSurface image, int x, int y, int radius, SKColor color)
{
image.SKSurface.Canvas.DrawCircle(x, y, radius, new SKPaint()
{
Style = SKPaintStyle.Fill, Color = color
});
}
/// <summary>
/// Creates a filled rectangle.
/// </summary>
/// <param name="image">The surface.</param>
/// <param name="x1">X1.</param>
/// <param name="y1">Y1.</param>
/// <param name="x2">X2.</param>
/// <param name="y2">Y2.</param>
/// <param name="color">The color.</param>
public static void FillRectangle(this BCGSurface image, int x1, int y1, int x2, int y2, SKColor color)
{
image.SKSurface.Canvas.DrawRect(new SKRect(x1, y1, x2 + 1, y2 + 1), new SKPaint()
{
Style = SKPaintStyle.Fill, Color = color
});
}
/// <summary>
/// Draws all chars thanks to <paramref name="code"/>. If <paramref name="startBar"/> is true, the line begins by a space.
/// If <paramref name="startBar"/> is false, the line begins by a bar.
/// </summary>
/// <param name="image">The surface.</param>
/// <param name="code">The code.</param>
/// <param name="startBar">True if we begin with a space.</param>
protected virtual void DrawChar(BCGSurface image, string code, bool startBar)
{
var colors = new int[2] {
BCGBarcode1D.COLOR_FG, BCGBarcode1D.COLOR_BG
};
var currentColor = startBar ? 0 : 1;
for (var i = 0; i < code.Length; i++)
{
if (int.TryParse(code[i].ToString(), out var nValue))
{
for (var j = 0; j < nValue + 1; j++)
{
this.DrawSingleBar(image, colors[currentColor]);
this.NextX();
}
}
currentColor = (currentColor + 1) % 2;
}
}
/// <summary>
/// Draws a Bar of <paramref name="color"/> depending of the resolution.
/// </summary>
/// <param name="image">The surface.</param>
/// <param name="color">The color.</param>
protected void DrawSingleBar(BCGSurface image, int color)
{
this.DrawFilledRectangle(image, this.positionX, 0, this.positionX, this.thickness - 1, color);
}
/// <summary>
/// Draws all chars thanks to <paramref name="code"/>. This convenient method always begin with a space.
/// </summary>
/// <param name="image">The surface.</param>
/// <param name="code">The code.</param>
protected virtual void DrawChar(BCGSurface image, string code)
{
this.DrawChar(image, code, true);
}
