public static string[] GetSupportedFontFamilies()
{
using (SKFontManager skFontManager = SKFontManager.CreateDefault())
{
return(skFontManager.GetFontFamilies());
}
}
public IEnumerable <string> GetInstalledFontFamilyNames(bool checkForUpdates = false)
{
if (checkForUpdates)
{
_skFontManager = SKFontManager.CreateDefault();
}
return(_skFontManager.FontFamilies);
}
private static void DrawEmojii()
{
int GrinningFaceEmoji = 0x1f600;
var rotated = new SKBitmap(256, 256);
using (SKCanvas canvas = new SKCanvas(rotated))
{
string emoji; int x; int y;
SKPaint paint = new SKPaint();
paint.Typeface = SKFontManager.CreateDefault().MatchCharacter(GrinningFaceEmoji);
//canvas.DrawText(emoji, x, y, vtsm.paint);
}
}
public void OnCanvasViewPaintSurface(object sender, SKPaintSurfaceEventArgs args)
{
try
{
SKImageInfo info = args.Info;
SKSurface surface = args.Surface;
SKCanvas canvas = surface.Canvas;
Assembly assembly = GetType().GetTypeInfo().Assembly;
if (_saveBitmap == null)
{
_saveBitmap = new SKBitmap(info.Width, info.Height);
}
SKBitmap bitmap = new SKBitmap(Math.Max(_saveBitmap.Width, info.Width),
Math.Max(_saveBitmap.Height, info.Height));
float x = info.Width / 3;
float y = (float)(info.Height / 1.5);
using (SKCanvas c = new SKCanvas(bitmap))
{
foreach (SKPath p in _completedPaths)
{
c.DrawPath(p, paint);
}
foreach (SKPath p in _inProgressPaths.Values)
{
c.DrawPath(p, paint);
}
}
canvas.Clear();
canvas.DrawBitmap(bitmap, 0, 0);
var emoji = _vm.Image;
int exEmoji = 0x1f600;
paint.Typeface = SKFontManager.CreateDefault().MatchCharacter(exEmoji);
paint.TextSize = 210.0f;
var tf = SKFontManager.CreateDefault().MatchCharacter(exEmoji);
var shaper = new SKShaper(tf);
canvas.DrawShapedText(shaper, emoji, x, y, paint);
}
catch { }
}
public void TestCreateDefault()
{
Assert.NotNull(SKFontManager.CreateDefault());
}
public static async Task Run(
[QueueTrigger("create-hero")] KeyValuePair <string, string> hf,
[Blob("heroimages")] CloudBlobContainer heroContainer,
[Blob("hashflags")] CloudBlobContainer hashflagsContainer,
[Queue("tweet")] ICollector <KeyValuePair <string, string> > tweetCollector,
ILogger log)
{
log.LogInformation($"Function executed at: {DateTime.Now}");
var hashtag = '#' + hf.Key;
var textSize = GetAdjustedFont(hashtag);
var info = new SKImageInfo(ImageWidth, ImageHeight);
using var surface = SKSurface.Create(info);
var canvas = surface.Canvas;
canvas.Clear(SKColors.White);
#region hashtag
var typefaces = hf.Key.Select(character => SKFontManager.CreateDefault().MatchCharacter(FontFamily, character)).ToList();
using var tf = typefaces.FirstOrDefault(t => t.FamilyName != FontFamily) ??
SKTypeface.FromFamilyName(FontFamily);
using var shaper = new SKShaper(tf);
var paint = new SKPaint
{
IsAntialias = true,
Color = new SKColor(29, 161, 242),
TextSize = textSize,
Typeface = tf
};
var bounds = new SKRect();
paint.MeasureText(hashtag, ref bounds);
var point = GetPoint(hashtag, bounds.Height, bounds.Width);
canvas.DrawShapedText(shaper, hashtag, point.X, point.Y, paint);
#endregion
#region hashflag
await using var stream = new MemoryStream();
await hashflagsContainer.GetBlockBlobReference(hf.Value).DownloadToStreamAsync(stream);
stream.Seek(0, SeekOrigin.Begin);
var hashflagImage = SKBitmap.Decode(stream);
var x = IsRtl(hashtag) ? point.X - HashflagSize - 10 : point.X + bounds.Width + 10;
var y = (ImageHeight - HashflagSize) / 2;
canvas.DrawBitmap(hashflagImage, x, y);
#endregion
#region watermark
paint = new SKPaint
{
Color = new SKColor(20, 23, 26, 127),
TextSize = 18,
IsAntialias = true,
Typeface = tf
};
canvas.DrawShapedText(shaper, "@HashflagArchive", 900, 575, paint);
#endregion
canvas.Flush();
await heroContainer.CreateIfNotExistsAsync();
var heroBlob = heroContainer.GetBlockBlobReference(hf.Key);
heroBlob.Properties.ContentType = "image/png";
await heroBlob.UploadFromStreamAsync(ToStream(surface));
tweetCollector.Add(hf);
}
public FontManagerTypefacerovider()
{
FontManager = SKFontManager.Default;
}
static int makeMeme(string picture, string text, string text2)
{
SKFontManager fontManager = SKFontManager.CreateDefault();
SKTypeface pressuru = fontManager.CreateTypeface(program_dir + @"\res\pressuru.otf");
SKBitmap bitmap = SKBitmap.Decode(picture);
SKCanvas canvas = new SKCanvas(bitmap);
SKPaint paint = new SKPaint();
SKRect rect = new SKRect();
SKColor white = new SKColor(255, 255, 255);
SKColor black = new SKColor(0, 0, 0);
if (pressuru == null)
{
Console.WriteLine("Couldn't find pressuru font\nHalting program");
return(1);
}
text = text.ToUpper();
text2 = text2.ToUpper();
paint.TextSize = 48f;
paint.Typeface = pressuru;
paint.IsAntialias = true;
paint.StrokeWidth = 2;
float y = 10;
float sp = 0;
float textHeight;
paint.MeasureText("A", ref rect);
textHeight = rect.Height;
List <string> top_lines = wrapLines(text, paint, bitmap.Width);
foreach (string line in top_lines)
{
paint.Color = white;
paint.IsStroke = false;
paint.MeasureText(line, ref rect);
y += textHeight;
canvas.DrawText(line, bitmap.Width / 2f - rect.Width / 2f, y + sp, paint);
paint.IsStroke = true;
paint.Color = black;
canvas.DrawText(line, bitmap.Width / 2f - rect.Width / 2f, y + sp, paint);
sp += 5;
}
List <string> bottom_lines = wrapLines(text2, paint, bitmap.Width);
int bottomMargin = 10; // space added to the bottom. the same for the top text.
int linesCount = bottom_lines.Count;
// no space is needed between 1 line
int spaceBetweenLinesTotal = ((linesCount - 1) * 5);
// raise the y high enough to print down
y = bitmap.Height - textHeight * linesCount - spaceBetweenLinesTotal - bottomMargin;
sp = 0;
// bottom text
foreach (string line in bottom_lines)
{
paint.Color = white;
paint.IsStroke = false;
paint.MeasureText(line, ref rect);
y += textHeight;
canvas.DrawText(line, bitmap.Width / 2f - rect.Width / 2f, y + sp, paint);
paint.IsStroke = true;
paint.Color = black;
canvas.DrawText(line, bitmap.Width / 2f - rect.Width / 2f, y + sp, paint);
sp += 5;
}
SKImage image = SKImage.FromBitmap(bitmap);
SKData data = image.Encode(SKEncodedImageFormat.Png, 80);
using (Stream stream = File.OpenWrite("meme.png")) {
data.SaveTo(stream);
}
return(0);
}
public FontManager(SKFontManager fontManager) => this.fontManager = fontManager;
