public static void DrawTextBoxes <TPixel>(Image <TPixel> image, Font font, IEnumerable <TextBox> boxes) where TPixel : struct, IPixel <TPixel>
{
image.Mutate(context =>
{
foreach (var box in boxes)
{
var boxBounds = new RectangleF(
x: (float)(image.Width * box.X / 100),
y: (float)(image.Height * box.Y / 100),
width: (float)(image.Width * box.Width / 100),
height: (float)(image.Height * box.Height / 100)
);
var scaledFont = ScaleFont(new Font(font, image.Height / 8), box.Text, boxBounds.Width - 2 * outlineSize, boxBounds.Height - 2 * outlineSize);
var wrapWidth = ScaleWidth(scaledFont, box.Text, boxBounds.Width - 2 * outlineSize);
var lineColor = ColorBuilder <TPixel> .FromRGBA(box.LineColor.R, box.LineColor.G, box.LineColor.B, box.LineColor.A);
var fillColor = ColorBuilder <TPixel> .FromRGBA(box.FillColor.R, box.FillColor.G, box.FillColor.B, box.FillColor.A);
var pen = Pens.Solid(lineColor, 3f);
var brush = Brushes.Solid(fillColor);
var textBounds = TextMeasurer.MeasureBounds(box.Text, new RendererOptions(scaledFont)
{
WrappingWidth = wrapWidth,
HorizontalAlignment = ConvertHorizontalAlignment(box.Horizontal),
});
var drawLocation = GetLocation(box, boxBounds, textBounds);
// draw outline
context.DrawText(
new TextGraphicsOptions(true)
{
WrapTextWidth = wrapWidth,
HorizontalAlignment = ConvertHorizontalAlignment(box.Horizontal),
},
box.Text,
scaledFont,
pen,
drawLocation);
// draw fill
context.DrawText(new TextGraphicsOptions(true)
{
WrapTextWidth = wrapWidth,
HorizontalAlignment = ConvertHorizontalAlignment(box.Horizontal),
},
box.Text,
scaledFont,
brush,
drawLocation);
}
});
}
/// <inheritdoc/>
public override object ConvertFrom(CultureInfo culture, string value, Type propertyType)
{
if (string.IsNullOrWhiteSpace(value))
{
return(base.ConvertFrom(culture, value, propertyType));
}
// Special case. HTML requires LightGrey, but NamedColors has LightGray to conform with System.Drawing
// Check early on.
if (value.Equals("LightGrey", StringComparison.OrdinalIgnoreCase))
{
return(Rgba32.LightGray);
}
// Numeric r,g,b - r,g,b,a
char separator = culture.TextInfo.ListSeparator[0];
if (value.Contains(separator.ToString()))
{
string[] components = value.Split(separator);
bool convert = true;
foreach (string component in components)
{
if (!NumberRegex.IsMatch(component))
{
convert = false;
}
}
if (convert)
{
List <byte> rgba = CommandParser.Instance.ParseValue <List <byte> >(value);
return(rgba.Count == 4
? ColorBuilder <Rgba32> .FromRGBA(rgba[0], rgba[1], rgba[2], rgba[3])
: ColorBuilder <Rgba32> .FromRGB(rgba[0], rgba[1], rgba[2]));
}
}
// Hex colors rgb, rrggbb, rrggbbaa
if (HexColorRegex.IsMatch(value))
{
return(Rgba32.FromHex(value));
}
// Named colors
IDictionary <string, Rgba32> table = ColorConstantsTable.Value;
return(table.ContainsKey(value) ? table[value] : base.ConvertFrom(culture, value, propertyType));
}
