public static void DrawQuests(SKCanvas c, BaseBundle icon)
{
using SKPaint paint = new SKPaint
{
IsAntialias = true,
FilterQuality = SKFilterQuality.High,
TextSize = 27,
Color = SKColors.White,
TextAlign = SKTextAlign.Left,
Typeface = Text.TypeFaces.BundleDisplayNameTypeface
};
int y = icon.HeaderHeight + 50;
foreach (Quest q in icon.Quests)
{
DrawQuestBackground(c, icon, y, true);
paint.TextSize = 27;
paint.ImageFilter = null;
paint.Color = SKColors.White;
paint.TextAlign = SKTextAlign.Left;
paint.Typeface = Text.TypeFaces.BundleDisplayNameTypeface;
if (!string.IsNullOrEmpty(q.Description))
{
if ((ELanguage)Properties.Settings.Default.AssetsLanguage == ELanguage.Arabic)
{
SKShaper shaper = new SKShaper(paint.Typeface);
float shapedTextWidth;
while (true)
{
SKShaper.Result shapedText = shaper.Shape(q.Description, paint);
shapedTextWidth = shapedText.Points[^ 1].X + paint.TextSize / 2f;
/// <summary>
/// Measures text using the specified <see cref="SKShaper"/> and <see cref="SKPaint"/>.
/// </summary>
/// <param name="text">The text to measure.</param>
/// <param name="shaper">The text shaper.</param>
/// <param name="paint">The paint.</param>
/// <returns>The width of the text when rendered using the specified shaper and paint.</returns>
private float MeasureText(string text, SKShaper shaper, SKPaint paint)
{
if (!this.UseTextShaping)
{
return(paint.MeasureText(text));
}
// we have to get a bit creative here as SKShaper does not offer a direct overload for this.
// see also https://github.com/mono/SkiaSharp/blob/master/source/SkiaSharp.HarfBuzz/SkiaSharp.HarfBuzz.Shared/SKShaper.cs
using var buffer = new HarfBuzzSharp.Buffer();
switch (paint.TextEncoding)
{
case SKTextEncoding.Utf8:
buffer.AddUtf8(text);
break;
case SKTextEncoding.Utf16:
buffer.AddUtf16(text);
break;
case SKTextEncoding.Utf32:
buffer.AddUtf32(text);
break;
default:
throw new NotSupportedException("TextEncoding is not supported.");
}
buffer.GuessSegmentProperties();
shaper.Shape(buffer, paint);
return(buffer.GlyphPositions.Sum(gp => gp.XAdvance) * paint.TextSize / 512);
}
public static SKPoint[] MeasureCharacters(string text, SKTypeface font, int fontSize, float xOffset = 0, float yOffset = 0)
{
using var paint = SkiaTextExtensions.CreateTextPaint(font, fontSize, SKColors.Black);
using var shaper = new SKShaper(font);
var result = shaper.Shape(text, xOffset, yOffset, paint);
return(result.Points);
}
public void Draw(SKCanvas c)
{
c.DrawRect(new SKRect(0, 0, Width, Height),
new SKPaint
{
IsAntialias = true,
FilterQuality = SKFilterQuality.High,
Shader = SKShader.CreateLinearGradient(
new SKPoint(Width / 2, Height),
new SKPoint(Width, Height / 4),
new SKColor[2] {
SKColor.Parse("01369C"), SKColor.Parse("1273C8")
},
SKShaderTileMode.Clamp)
});
int textSize = 45;
SKPaint namePaint = new SKPaint
{
IsAntialias = true,
FilterQuality = SKFilterQuality.High,
Typeface = Text.TypeFaces.DisplayNameTypeface,
TextSize = textSize,
Color = SKColors.White,
TextAlign = SKTextAlign.Left
};
SKPaint optionPaint = new SKPaint
{
IsAntialias = true,
FilterQuality = SKFilterQuality.High,
Typeface = Text.TypeFaces.DisplayNameTypeface,
TextSize = 20,
Color = SKColor.Parse("EEFFFF"),
TextAlign = SKTextAlign.Left
};
if ((ELanguage)Properties.Settings.Default.AssetsLanguage == ELanguage.Arabic)
{
SKShaper shaper = new SKShaper(namePaint.Typeface);
float shapedTextWidth;
while (true)
{
SKShaper.Result shapedText = shaper.Shape(OptionDisplayName, namePaint);
shapedTextWidth = shapedText.Points[^ 1].X + namePaint.TextSize / 2f;
public void CorrectlyShapesArabicScript()
{
var clusters = new uint[] { 4, 2, 0 };
var codepoints = new uint[] { 629, 668, 891 };
var points = new SKPoint[] { new SKPoint(0, 0), new SKPoint(28.375f, 0), new SKPoint(42.125f, 0) };
using (var tf = SKTypeface.FromFile(Path.Combine(PathToFonts, "content-font.ttf")))
using (var shaper = new SKShaper(tf))
using (var paint = new SKPaint {
IsAntialias = true, TextSize = 64, Typeface = tf
})
{
var result = shaper.Shape("متن", paint);
Assert.Equal(clusters, result.Clusters);
Assert.Equal(codepoints, result.Codepoints);
Assert.Equal(points, result.Points);
}
}
public static void DrawCenteredMultilineText(SKCanvas canvas, string text, int maxLineCount, int size, int margin, ETextSide side, SKRect area, SKPaint paint)
{
float lineHeight = paint.TextSize * 1.2f;
List <Line> lines = SplitLines(text, paint, area.Width - margin);
if (lines == null)
{
return;
}
if (lines.Count <= maxLineCount)
{
maxLineCount = lines.Count;
}
float height = maxLineCount * lineHeight;
float y = area.MidY - height / 2;
SKShaper shaper = (ELanguage)Settings.Default.AssetsLanguage == ELanguage.Arabic ? new SKShaper(paint.Typeface) : null;
for (int i = 0; i < maxLineCount; i++)
{
Line line = lines[i];
y += lineHeight;
float x = side switch
{
ETextSide.Center => area.MidX - line.Width / 2,
ETextSide.Right => size - margin - line.Width,
ETextSide.Left => margin,
_ => area.MidX - line.Width / 2
};
string lineText = line.Value.TrimEnd();
if (shaper == null)
{
canvas.DrawText(lineText, x, y, paint);
}
else
{
if (side == ETextSide.Center)
{
SKShaper.Result shapedText = shaper.Shape(lineText, paint);
float shapedTextWidth = shapedText.Points[^ 1].X + paint.TextSize / 2f;
private void DrawHeaderText(SKCanvas c)
{
using SKPaint paint = new SKPaint
{
IsAntialias = true,
FilterQuality = SKFilterQuality.High,
Typeface = Text.TypeFaces.BundleDisplayNameTypeface,
TextSize = 50,
Color = SKColors.White,
TextAlign = SKTextAlign.Left,
};
string text = DisplayName.ToUpper();
int x = 300;
if ((ELanguage)Properties.Settings.Default.AssetsLanguage == ELanguage.Arabic)
{
SKShaper shaper = new SKShaper(paint.Typeface);
float shapedTextWidth;
while (true)
{
SKShaper.Result shapedText = shaper.Shape(text, paint);
shapedTextWidth = shapedText.Points[^ 1].X + paint.TextSize / 2f;