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public static FromFamilyName ( string familyName, SKFontStyleWeight weight, SKFontStyleWidth width, SKFontStyleSlant slant ) : |
||
| familyName | string | |
| weight | SKFontStyleWeight | |
| width | SKFontStyleWidth | |
| slant | SKFontStyleSlant | |
| Résultat | ||
public static void UnicodeText(SKCanvas canvas, int width, int height)
{
// stops at 0x530 on Android
string text = "\u03A3 and \u0750";
using (var paint = new SKPaint())
using (var tf = SKTypeface.FromFamilyName("Tahoma")) {
canvas.DrawColor(SKColors.White);
paint.IsAntialias = true;
paint.TextSize = 60;
paint.Typeface = tf;
canvas.DrawText(text, 50, 100, paint);
}
using (var paint = new SKPaint())
using (var tf = SKTypeface.FromFamilyName("Times New Roman")) {
paint.Color = XamDkBlue;
paint.IsAntialias = true;
paint.TextSize = 60;
paint.Typeface = tf;
canvas.DrawText(text, 50, 200, paint);
}
}
public static void BitmapDecoder(SKCanvas canvas, int width, int height)
{
var assembly = typeof(Demos).GetTypeInfo().Assembly;
var imageName = assembly.GetName().Name + ".color-wheel.png";
canvas.Clear(SKColors.White);
// load the embedded resource stream
using (var resource = assembly.GetManifestResourceStream(imageName))
using (var stream = new SKManagedStream(resource))
using (var decoder = new SKImageDecoder(stream))
using (var paint = new SKPaint())
using (var tf = SKTypeface.FromFamilyName("Arial"))
{
paint.IsAntialias = true;
paint.TextSize = 14;
paint.Typeface = tf;
paint.Color = SKColors.Black;
// read / set decoder settings
decoder.DitherImage = true;
decoder.PreferQualityOverSpeed = true;
decoder.SampleSize = 2;
// decode the image
using (var bitmap = new SKBitmap())
{
var result = decoder.Decode(stream, bitmap);
if (result != SKImageDecoderResult.Failure)
{
var info = bitmap.Info;
var x = 25;
var y = 25;
canvas.DrawBitmap(bitmap, x, y);
x += info.Width + 25;
y += 14;
canvas.DrawText(string.Format("Result: {0}", result), x, y, paint);
y += 20;
canvas.DrawText(string.Format("Size: {0}px x {1}px", bitmap.Width, bitmap.Height), x, y, paint);
y += 20;
canvas.DrawText(string.Format("Pixels: {0} @ {1}b/px", bitmap.Pixels.Length, bitmap.BytesPerPixel), x, y, paint);
}
}
}
}
private void ReadFontAttributes(XElement e, SKPaint paint)
{
var fontStyle = ReadStyle(e);
string ffamily;
if (!fontStyle.TryGetValue("font-family", out ffamily) || string.IsNullOrWhiteSpace(ffamily))
{
ffamily = paint.Typeface?.FamilyName;
}
var fweight = ReadFontWeight(fontStyle, paint.Typeface?.FontWeight ?? (int)SKFontStyleWeight.Normal);
var fwidth = ReadFontWidth(fontStyle, paint.Typeface?.FontWidth ?? (int)SKFontStyleWidth.Normal);
var fstyle = ReadFontStyle(fontStyle, paint.Typeface?.FontSlant ?? SKFontStyleSlant.Upright);
paint.Typeface = SKTypeface.FromFamilyName(ffamily, fweight, fwidth, fstyle);
string fsize;
if (fontStyle.TryGetValue("font-size", out fsize) && !string.IsNullOrWhiteSpace(fsize))
{
paint.TextSize = ReadNumber(fsize);
}
}