public static Stream GetImage(string astronaut1, string astronaut2, string messageContent, bool debugRectangle = false)
{
MemoryStream stream = new MemoryStream();
FontCollection fonts = new FontCollection();
fonts.Install(Path.Combine(assetsFolder, "fonts", "arial.ttf"));
Font captionFont = fonts.CreateFont("arial", 8);
Rectangle messageContentRectangle = new Rectangle(150, 50, 450, 165);
Font astronaut1Font = fonts.CreateFont("arial", 7);
Rectangle astronaut1Rectangle = new Rectangle(350, 225, 150, 75);
Font astronaut2Font = fonts.CreateFont("arial", 8);
Rectangle astronaut2Rectangle = new Rectangle(625, 50, 250, 125);
Font alwaysHasBeenFont = fonts.CreateFont("arial", 9);
Rectangle alwaysHasBeenRectangle = new Rectangle(400, 0, 475, 50);
using (Image img = Image.Load(Path.Combine(assetsFolder, "images", "wait-its-all-ohio.png")))
{
img.Mutate(ctx => ctx.DrawBoxedText(astronaut1Font, astronaut1, Color.White, Color.Black, astronaut1Rectangle, VerticalAlignment.Center, debugRectangle));
img.Mutate(ctx => ctx.DrawBoxedText(astronaut2Font, astronaut2, Color.White, Color.Black, astronaut2Rectangle, VerticalAlignment.Center, debugRectangle));
img.Mutate(ctx => ctx.DrawBoxedText(captionFont, messageContent, Color.White, Color.Black, messageContentRectangle, VerticalAlignment.Bottom, debugRectangle));
img.Mutate(ctx => ctx.DrawBoxedText(alwaysHasBeenFont, "Always has been", Color.White, Color.Black, alwaysHasBeenRectangle, VerticalAlignment.Center, debugRectangle));
img.SaveAsPng(stream);
}
stream.Position = 0;
return(stream);
}
public async Task <RuntimeResult> ProfileAsync(SocketUser user = null)
{
//User Data
var targetUser = user ?? Context.User;
var record = await UserRepository.GetOrCreateProfileAsync(targetUser).ConfigureAwait(false);
using (var profileBase = Image.Load("Resources/Profile/base.png"))
using (var avatarFrame = Image.Load("Resources/Profile/avatarFrame.png"))
using (var badge = Image.Load("Resources/Profile/badge.png"))
using (var avatarStream = await WebHelper.GetFileStreamAsync(HttpClient, new Uri(targetUser.GetAvatarUrl())).ConfigureAwait(false))
using (var finalImage = new MemoryStream())
using (var avatar = Image.Load(avatarStream))
{
//Fonts & text rendering
var robotoItalic = new FontCollection().Install("Resources/Profile/Fonts/Roboto-Italic.ttf");
var roboto = new FontCollection().Install("Resources/Profile/Fonts/Roboto-Regular.ttf");
var textOptions = new TextGraphicsOptions {
HorizontalAlignment = HorizontalAlignment.Center
};
//Actual Image
var final = profileBase.DrawImage(avatar.Resize(540, 540), new Size(), new Point(935, 134),
GraphicsOptions.Default)
.DrawImage(avatarFrame, new Size(), new Point(0, 0), GraphicsOptions.Default)
.DrawText(targetUser.Username, robotoItalic.CreateFont(130), new Rgba32(106, 161, 196),
new Point(profileBase.Width / 2, 690), textOptions)
.DrawText($"Member Since {targetUser.CreatedAt:M/d/yy}", robotoItalic.CreateFont(73),
new Rgba32(138, 145, 153),
new Point(profileBase.Width / 2, 840), textOptions)
.DrawText($"Balance: {record.Balance}", roboto.CreateFont(82), new Rgba32(138, 145, 153),
new Point(profileBase.Width / 2, 930), textOptions)
.DrawText("About Me:", robotoItalic.CreateFont(90), new Rgba32(106, 161, 196), new Point(340, 1130),
TextGraphicsOptions.Default)
.DrawText(Regex.Replace(record.Summary, ".{55}", "$0\n"), roboto.CreateFont(70), new Rgba32(138, 145, 153), new Point(340, 1250),
TextGraphicsOptions.Default);
//Verified Badge
//TODO: Add some kind of verification system/reputation system?
if (Config.Owners.Contains(targetUser.Id))
{
final.DrawImage(badge, new Size(), new Point(0, 0), GraphicsOptions.Default).Resize(500, 500).SaveAsPng(finalImage);
}
else
{
final.Resize(500, 500).SaveAsPng(finalImage);
}
//Sending the image
finalImage.Seek(0, SeekOrigin.Begin);
await Context.Channel.SendFileAsync(finalImage, "profile.png", $"Profile card for `{targetUser}`").ConfigureAwait(false);
}
return(CommandRuntimeResult.FromSuccess());
}
public void Draw(Image image, FontCollection fonts, ICommandContext context, IMessage repliedMessage)
{
var font = fonts.CreateFont(FontName, FontSize);
string labelText = GetLabelText(context, repliedMessage);
image.Mutate(ctx => ctx.DrawBoxedText(font, labelText, MainColor, OutlineColor, Rectangle, VerticalAlignment, ShowRectangle));
}
/// <summary>
/// Image process and writes to <paramref name="output"/> <see cref="Stream"/>.
/// </summary>
/// <param name="output">The output <see cref="Stream"/> to write to.</param>
/// <param name="firstName">First name to use.</param>
/// <param name="lastName">Last name to use.</param>
/// <param name="size">Image size.</param>
/// <param name="jpeg">Specifies whether the image has .jpg extension.</param>
/// <param name="background">The background color to use.</param>
public void Generate(Stream output, string firstName, string lastName, int size = 192, bool jpeg = false, string background = null)
{
var avatarText = string.Format("{0}{1}", firstName?.Length > 0 ? firstName[0] : ' ', lastName?.Length > 0 ? lastName[0] : ' ').ToUpper().RemoveDiacritics();
var randomIndex = $"{firstName}{lastName}".ToCharArray().Sum(x => x) % _backgroundColours.Length;
var accentColor = _backgroundColours[randomIndex];
if (background != null)
{
accentColor = new AvatarColor(background);
}
using (var image = new Image <Rgba32>(size, size)) {
image.Mutate(x => x.Fill(accentColor.Background));
var fonts = new FontCollection();
// For production application we would recomend you create a FontCollection singleton and manually install the ttf fonts yourself as using SystemFonts can be expensive and you risk font existing or not existing on a deployment by deployment basis.
var font = _openSansFont.CreateFont("Open Sans", 70, FontStyle.Regular); // for scaling water mark size is largly ignored.
// Measure the text size.
var textSize = TextMeasurer.Measure(avatarText, new RendererOptions(font));
// Find out how much we need to scale the text to fill the space (up or down).
var scalingFactor = Math.Min(image.Width * 0.6f / textSize.Width, image.Height * 0.6f / textSize.Height);
// Create a new font.
var scaledFont = new Font(font, scalingFactor * font.Size);
var center = new PointF(image.Width / 2, image.Height / 2);
var textGraphicOptions = new TextGraphicsOptions(true)
{
HorizontalAlignment = HorizontalAlignment.Center,
VerticalAlignment = VerticalAlignment.Center
};
image.Mutate(x => x.DrawText(textGraphicOptions, avatarText, scaledFont, accentColor.Color, center));
image.Save(output, jpeg ? (IImageFormat)JpegFormat.Instance : PngFormat.Instance);
}
output.Seek(0, SeekOrigin.Begin);
}
/// <summary>
/// Transforms an image to add a watermark.
/// </summary>
/// <param name="input"></param>
/// <param name="output"></param>
/// <param name="waterMarkText"></param>
public void TransformDownloadImage(string input, Stream output, string waterMarkText = null)
{
Logging.Log($" Running image transform for Watermark: {waterMarkText}");
using var img = Image.Load(input, out IImageFormat fmt);
var opts = new ResizeOptions {
Mode = ResizeMode.Max, Size = new Size {
Height = 1600, Width = 1600
}
};
// First rotate and resize.
img.Mutate(x => x.AutoOrient().Resize(opts));
if (!string.IsNullOrEmpty(waterMarkText))
{
// Apply the watermark if one's been specified.
Font font = fontCollection.CreateFont("Arial", 10);
if (!string.IsNullOrEmpty(waterMarkText))
{
img.Mutate(context => ApplyWaterMark(context, font, waterMarkText, Color.White));
}
}
img.Save(output, fmt);
}
public void DrawText(PointF position, string text, Font font, string color, int penWidth)
{
var p = ToPointF(position, world);
commandQueue.Enqueue(ctx =>
{
ctx.DrawText(text, fontCollection.CreateFont(font.Name, font.Size), Rgba32.FromHex(color), p, currentOption);
});
}
public Function(ILogger <Function> logger)
{
_logger = logger;
var configReader = new ConfigReader(logger);
_outputBucket = configReader.Read("BUCKET");
_requestReader = new HttpRequestReader(logger);
var fontCollection = new FontCollection();
fontCollection.Install("Arial.ttf");
_font = fontCollection.CreateFont("Arial", 10);
}
private async Task DrawWelcomeScreen()
{
Image <Rgba32> image = new Image <Rgba32>(400, 300);
FontCollection fc = new FontCollection();
fc.Install("DigitalDream.ttf");
var f = fc.CreateFont("Digital Dream", 18);
GraphicsOptions options = new GraphicsOptions(false);
image.Mutate((ctx) =>
{
ctx.Fill(Rgba32.White);
ctx.DrawText($"{GetCurrentIpv4Address()}:8800", f, Rgba32.Black, new PointF(0, 0), options);
ctx.DrawText($"{DateTime.Now.ToString()}", f, Rgba32.Black, new PointF(0, 100), options);
ctx.Dither(new SixLabors.ImageSharp.Dithering.FloydSteinbergDiffuser(), 0.5f);
});
await Renderer.RenderAsync(image, Task.Factory.CancellationToken);
}
public KomiPaperMemeGen(BotState state)
{
_botState = state;
var fontCollection = new FontCollection();
fontCollection.Install(@"Fonts\mangat.ttf", out var fontDescription);
_template = new MemeTemplate("KomiPaper.png",
new TextBoundingBox()
{
TopLeft = new PointF(245, 479),
TopRight = new PointF(708, 558),
BottomLeft = new PointF(168, 728),
BottomRight = new PointF(632, 810),
CenterHeight = false,
CenterWidth = false,
Font = fontCollection.CreateFont(fontDescription.FontFamily, 20)
},
new MultiBoundingBox(new ImageBoundingBox()
{
TopLeft = new PointF(245, 479),
TopRight = new PointF(708, 558),
BottomLeft = new PointF(94, 988),
BottomRight = new PointF(557, 1067),
LandscapeScalingMode = ImageScalingMode.FitWithLetterbox,
PortraitScalingMode = ImageScalingMode.FillFit
})
{
Padding = 10,
Masks = new List <Rectangle>
{
new Rectangle(0, 631, 186, 446),
new Rectangle(666, 552, 50, 150),
new Rectangle(0, 1065, 557, 205)
}
});
}
public static async Task <string> GenerateAsync(BannerOptions options, Profile profile, string subtext)
{
if (profile == null)
{
throw new ArgumentNullException(nameof(profile));
}
// Avatar base url + avatar meta = rendered avatar url
var avatarURL = $"{DevrantAvatarBaseURL}/{profile.Avatar.Image}";
const string outputDir = "generated";
const string avatarsDir = "avatars";
var outputFileName = $"{profile.Username}.png";
var workingDir = Directory.GetCurrentDirectory();
var outputPath = Path.Combine(workingDir, outputDir);
var avatarPath = Path.Combine(workingDir, avatarsDir);
Directory.CreateDirectory(outputPath);
Directory.CreateDirectory(avatarPath);
var avatarFile = Path.Combine(avatarPath, outputFileName);
var outputFile = Path.Combine(outputPath, outputFileName);
byte[] data;
if (options.CacheAvatars && File.Exists(avatarFile))
{
data = await File.ReadAllBytesAsync(avatarFile);
}
else
{
// Download rendered avatar
var httpClient = new HttpClient();
using (var response = await httpClient.GetAsync(avatarURL))
{
if (response.StatusCode == HttpStatusCode.NotFound)
{
throw new AvatarNotFoundException(profile.Username);
}
response.EnsureSuccessStatusCode();
data = await response.Content.ReadAsByteArrayAsync();
if (options.CacheAvatars)
{
await File.WriteAllBytesAsync(avatarFile, data);
}
}
}
using (var avatarImage = Image.Load(data))
using (var banner = new Image <Rgba32>(800, 192))
{
var fontCollection = new FontCollection();
fontCollection.Install("fonts/Comfortaa-Regular.ttf");
var fontSizeUsername = 64;
var fontSizeSubtext = fontSizeUsername / 2;
var fontSizeDevrant = 16;
var fontUsername = fontCollection.CreateFont("Comfortaa", fontSizeUsername, FontStyle.Bold);
var fontSubtext = fontCollection.CreateFont("Comfortaa", fontSizeSubtext, FontStyle.Regular);
var fontDevrant = fontCollection.CreateFont("Comfortaa", fontSizeDevrant, FontStyle.Regular);
var avatarHeight = banner.Height;
var avatarWidth = avatarHeight;
var avatarSize = new Size(avatarWidth, avatarHeight);
var avatarTargetX = 15;
var avatarTargetY = 0;
var avatarTarget = new Point(avatarTargetX, avatarTargetY);
var usernameTargetX = banner.Width / 3;
var usernameTartgetY = banner.Height / 4;
var usernameTarget = new Point(usernameTargetX, usernameTartgetY);
var subtextTargetX = usernameTarget.X;
var subtextTartgetY = usernameTarget.Y + fontSizeUsername;
var subtextTarget = new Point(subtextTargetX, subtextTartgetY);
var subTextWidth = banner.Width - subtextTargetX - 15;
var subTextHeight = fontSizeSubtext;
var devrantTargetX = banner.Width - 108;
var devrantTargetY = banner.Height - 4 - fontSizeDevrant;
var devrantTarget = new Point(devrantTargetX, devrantTargetY);
// Draw background
banner.SetBGColor(Rgba32.FromHex(profile.Avatar.Background));
// Draw avatar
banner.DrawImage(avatarImage, avatarSize, avatarTarget);
// Draw username
banner.DrawText(profile.Username, fontUsername, Rgba32.White, usernameTarget);
// Scale font size to subtext
fontSubtext = fontSubtext.ScaleToText(subtext, new SizeF(subTextWidth, subTextHeight));
// Draw subtext
banner.DrawText(subtext, fontSubtext, Rgba32.White, subtextTarget);
// Draw devrant text
banner.DrawText("devrant.com", fontDevrant, Rgba32.White, devrantTarget, HorizontalAlignment.Left, VerticalAlignment.Top);
banner.Save(outputFile, new PngEncoder());
}
return(outputFile);
}
public void Configure(IApplicationBuilder app, IWebHostEnvironment env, ILogger <Startup> logger)
{
if (env.IsDevelopment())
{
app.UseDeveloperExceptionPage();
}
logger.LogInformation("Service is starting...");
app.UseRouting();
var eventReader = new CloudEventReader(logger);
var configReader = new ConfigReader(logger);
var outputBucket = configReader.Read("BUCKET");
var fontCollection = new FontCollection();
fontCollection.Install("Arial.ttf");
var font = fontCollection.CreateFont("Arial", 10);
app.UseEndpoints(endpoints =>
{
endpoints.MapPost("/", async context =>
{
try
{
var(bucket, name) = await eventReader.ReadCloudStorageData(context);
using (var inputStream = new MemoryStream())
{
var client = await StorageClient.CreateAsync();
await client.DownloadObjectAsync(bucket, name, inputStream);
logger.LogInformation($"Downloaded '{name}' from bucket '{bucket}'");
using (var outputStream = new MemoryStream())
{
inputStream.Position = 0; // Reset to read
using (var image = Image.Load(inputStream))
{
using (var imageProcessed = image.Clone(ctx => ApplyScalingWaterMarkSimple(ctx, font, Watermark, Color.DeepSkyBlue, 5)))
{
logger.LogInformation($"Added watermark to image '{name}'");
imageProcessed.SaveAsJpeg(outputStream);
}
}
var outputObjectName = $"{Path.GetFileNameWithoutExtension(name)}-watermark.jpeg";
await client.UploadObjectAsync(outputBucket, outputObjectName, "image/jpeg", outputStream);
logger.LogInformation($"Uploaded '{outputObjectName}' to bucket '{outputBucket}'");
}
}
}
catch (Exception e)
{
logger.LogError($"Error processing: " + e.Message);
throw e;
}
});
});
}
public static MemoryStream GenerateXpBar(Stream avatar, XpLevel xp, string rank,
string username, string discriminator, DateTime date, bool doubleXp, bool fastXp)
{
using Image image = Image.Load("data/xp/roki_xp_half.png");
var transparentGray = new Rgba32(211, 211, 211, 220);
var grayBackground = new RectangleF(PfpOutlineX + (PfpLength + 10) / 2, 7.5f, 680, 185);
var pfpBackground = new RectangleF(PfpOutlineX, PfpOutlineY, PfpLength + 10, PfpLength + 10);
var pfpOutline = new RectangleF(PfpOutlineX, PfpOutlineY, PfpLength + 10, PfpLength + 10);
var xpBarOutline = new RectangleF(XpBarX, XpBarY, XpBarLength, XpBarHeight);
image.Mutate(x => x
.Fill(new Color(transparentGray), grayBackground)
// profile pic
.Fill(Color.White, pfpBackground)
.Draw(Color.WhiteSmoke, 3.5f, pfpOutline)
.Fill(Color.HotPink, new RectangleF(37, 25, 150, 150)) // profile pic
// xp bar
.Draw(Color.HotPink, 2.5f, xpBarOutline));
if (xp.TotalXp != 0)
{
var xpBarProgress = new RectangleF(XpBarX + 2.5f, XpBarY + 2.5f, (XpBarLength - 5) * ((float)xp.ProgressXp / xp.RequiredXp), XpBarHeight - 5);
image.Mutate(x => x.Fill(Color.HotPink, xpBarProgress));
}
using (Image pfp = Image.Load(avatar))
{
pfp.Mutate(x => x.Resize(new Size(PfpLength, PfpLength)));
image.Mutate(x => x.DrawImage(pfp, new Point(PfpOutlineX + 5, PfpOutlineY + 5), 1));
}
var fonts = new FontCollection();
fonts.Install("data/xp/DIN_REG.ttf");
fonts.Install("data/xp/DIN_MED.ttf");
Font usernameFont = fonts.CreateFont("DIN", 30);
Font discriminatorFont = fonts.CreateFont("DIN", 21);
Font xpFont = fonts.CreateFont("DIN", 30);
Font headerFont = fonts.CreateFont("DIN Medium", 20);
Font bodyFont = fonts.CreateFont("DIN", 25);
image.Mutate(x => x
.DrawUsername(usernameFont, discriminatorFont, username, $"#{discriminator}", new PointF(XpBarX, 50)) // username + discrim
.DrawText(new TextGraphicsOptions {
TextOptions = { HorizontalAlignment = HorizontalAlignment.Center }
},
$"XP: {xp.TotalXp:N0} / {xp.TotalRequiredXp:N0}", xpFont, Color.DarkSlateGray, new PointF(XpBarX + XpBarLength / 2, 66)) // xp progress
.DrawStats(headerFont, bodyFont, $"#{rank}", xp.Level.ToString("N0"), (xp.TotalRequiredXp - xp.TotalXp).ToString("N0"), date)
.DrawBoosts(doubleXp, fastXp));
var stream = new MemoryStream();
image.SaveAsPng(stream);
stream.Position = 0;
return(stream);
}
public int GetFont(string family, float size)
{
return(add <Font>(fc.CreateFont(family, size)));
}
/// <summary>
/// Loads necesarry resouces for rendering
/// </summary>
/// <returns>true loading succeeded</returns>
static bool LoadResources()
{
if (!String.IsNullOrWhiteSpace(Options.SystemFont))
{
if (!SystemFonts.TryFind(Options.SystemFont, out var family))
{
Log.Error("font '" + Options.SystemFont + " not found");
return(false);
}
SelectedFont = new Font(family, Options.FontSize, Options.StyleOfFont);
//Log.Debug("FontInfo: "
// +"\n\tAscender\t"+SelectedFont.Ascender
// +"\n\tBold\t"+SelectedFont.Bold
// +"\n\tDescender\t"+SelectedFont.Descender
// +"\n\tEmSize\t"+SelectedFont.EmSize
// +"\n\tFamily.Name\t"+SelectedFont.Family.Name
// +"\n\tItalic\t"+SelectedFont.Italic
// +"\n\tLineGap\t"+SelectedFont.LineGap
// +"\n\tLineHeight\t"+SelectedFont.LineHeight
// +"\n\tName\t"+SelectedFont.Name
// +"\n\tSize\t"+SelectedFont.Size
//);
}
else if (!String.IsNullOrWhiteSpace(Options.FontFile))
{
if (!File.Exists(Options.FontFile))
{
Log.Error("Cannot find font file '" + Options.FontFile + "'");
return(false);
}
var col = new FontCollection().Install(Options.FontFile);
SelectedFont = col.CreateFont(Options.FontSize, Options.StyleOfFont);
}
else
{
Log.Error("no font specified");
return(false);
}
//Log.Debug("Options.WhichSet = "+Options.WhichSet);
if (Options.WhichSet != CharSets.Set.None)
{
SelectedCharSet = CharSets.Get(Options.WhichSet);
}
else if (!String.IsNullOrWhiteSpace(Options.CharFile))
{
if (!File.Exists(Options.CharFile))
{
Log.Error("cannot find file " + Options.CharFile);
return(false);
}
var uniqChars = new HashSet <char>();
const int buffLen = 256;
using (var fs = File.Open(Options.CharFile, FileMode.Open, FileAccess.Read, FileShare.Read))
using (var sr = new StreamReader(fs)) {
char[] buff = new char[buffLen];
int count = int.MaxValue;
while (count >= buffLen)
{
count = sr.Read(buff, 0, buffLen);
uniqChars.UnionWith(buff);
}
}
SelectedCharSet = new char[uniqChars.Count];
uniqChars.CopyTo(SelectedCharSet);
}
else
{
Log.Error("char set not specified");
return(false);
}
if (!String.IsNullOrWhiteSpace(Options.InputName))
{
if (!File.Exists(Options.InputName))
{
Log.Error("cannot find file " + Options.InputName);
return(false);
}
var data = File.ReadAllBytes(Options.InputName);
SourceImage = Image.Load(data);
}
return(true);
}
public static async Task <string> GenerateAsync(BannerOptions options, Profile profile, string subtext, int width = 800, int height = 192)
{
if (profile == null)
{
throw new ArgumentNullException(nameof(profile));
}
var checkedWidth = CheckWidth(options, width);
height = (int)(checkedWidth / options.WidthToHeightRatio);
// Avatar base url + avatar meta = rendered avatar url
var avatarURL = $"{DevrantAvatarBaseURL}/{profile.Avatar.Image}";
const string outputDir = "generated";
const string avatarsDir = "avatars";
var outputFileName = $"{profile.Username}.png";
var workingDir = Directory.GetCurrentDirectory();
var outputPath = Path.Combine(workingDir, outputDir);
var avatarPath = Path.Combine(workingDir, avatarsDir);
Directory.CreateDirectory(outputPath);
Directory.CreateDirectory(avatarPath);
var avatarFile = Path.Combine(avatarPath, outputFileName);
var outputFile = Path.Combine(outputPath, outputFileName);
byte[] data;
if (options.CacheAvatars && File.Exists(avatarFile) && File.GetCreationTime(avatarFile) > DateTime.Now.AddMinutes(-options.MaxCacheAvatarAge))
{
data = await File.ReadAllBytesAsync(avatarFile);
}
else
{
// Download rendered avatar
var httpClient = new HttpClient();
using (var response = await httpClient.GetAsync(avatarURL))
{
if (response.StatusCode == HttpStatusCode.NotFound)
{
throw new AvatarNotFoundException(profile.Username);
}
response.EnsureSuccessStatusCode();
data = await response.Content.ReadAsByteArrayAsync();
if (options.CacheAvatars)
{
await File.WriteAllBytesAsync(avatarFile, data);
}
}
}
using (var avatarImage = Image.Load(data))
using (var banner = new Image <Rgba32>(checkedWidth, height))
{
var fontCollection = new FontCollection();
fontCollection.Install("fonts/Comfortaa-Regular.ttf");
var fontSizeUsername = (int)(banner.Width * 0.07); // original : 0.08
var fontSizeSubtext = (int)(banner.Width * 0.04);
var fontSizeDevrant = (int)(banner.Width * 0.02);
var fontUsername = fontCollection.CreateFont("Comfortaa", fontSizeUsername, FontStyle.Bold);
var fontSubtext = fontCollection.CreateFont("Comfortaa", fontSizeSubtext, FontStyle.Regular);
var fontDevrant = fontCollection.CreateFont("Comfortaa", fontSizeDevrant, FontStyle.Regular);
var avatarHeight = banner.Height;
var avatarWidth = avatarHeight;
var avatarSize = new Size(avatarWidth, avatarHeight);
var avatarTargetX = (int)(banner.Width * 0.01875);
var avatarTargetY = 0;
var avatarTarget = new Point(avatarTargetX, avatarTargetY);
var usernameTargetX = banner.Width / 3;
var usernameTargetY = (banner.Height / 4f) - (fontSizeUsername / 2f);
var usernameTarget = new PointF(usernameTargetX, usernameTargetY);
var subtextTargetX = usernameTarget.X;
var subtextTargetY = usernameTarget.Y + fontSizeUsername;
var subtextTarget = new PointF(subtextTargetX, subtextTargetY + (fontSizeSubtext / 2f));
var subTextWidth = banner.Width - subtextTargetX - (int)(banner.Width * 0.01875);
var subTextHeight = fontSizeSubtext;
var devrantTargetX = banner.Width - (int)(banner.Width * 0.130);
var devrantTargetY = banner.Height - (int)(banner.Width * 0.03);
var devrantTarget = new Point(devrantTargetX, devrantTargetY);
var backgroundColor = Rgba32.FromHex(profile.Avatar.Background);
var foregroundColor = GetForegroundColor(backgroundColor);
// Draw background
banner.SetBGColor(backgroundColor);
// Draw avatar
banner.DrawImage(avatarImage, avatarSize, avatarTarget);
// Draw username
banner.DrawText(profile.Username, fontUsername, foregroundColor, usernameTarget, verticalAlignment: VerticalAlignment.Top);
// Scale font size to subtext
fontSubtext = fontSubtext.ScaleToText(subtext, new SizeF(subTextWidth, subTextHeight), subTextWidth);
// Add subtext word wrapping
subtext = subtext.AddWrap(fontSubtext, subTextWidth, options.MaxSubtextWraps);
// Draw subtext
banner.DrawText(subtext, fontSubtext, foregroundColor, subtextTarget, verticalAlignment: VerticalAlignment.Top);
// Draw devrant text
banner.DrawText("devrant.com", fontDevrant, foregroundColor, devrantTarget, HorizontalAlignment.Left, VerticalAlignment.Top);
banner.Save(outputFile, new PngEncoder());
}
return(outputFile);
}
public static string Generate(string avatarURL, string avatarBGColor, string username, string subtext)
{
var workingDir = Directory.GetCurrentDirectory();
var outputPath = $"{workingDir}/generated/{username}.png";
// Download rendered avatar
var httpClient = new HttpClient();
var responseStream = httpClient.GetStreamAsync(avatarURL).Result;
var avatarImage = Image.Load(responseStream);
System.IO.Directory.CreateDirectory("generated");
using (Image <Rgba32> banner = new Image <Rgba32>(800, 192))
{
var fontCollection = new FontCollection();
fontCollection.Install("fonts/Comfortaa-Regular.ttf");
var fontSizeUsername = 64;
var fontSizeSubtext = fontSizeUsername / 2;
var fontSizeDevrant = 16;
var fontUsername = fontCollection.CreateFont("Comfortaa", fontSizeUsername, FontStyle.Bold);
var fontSubtext = fontCollection.CreateFont("Comfortaa", fontSizeSubtext, FontStyle.Regular);
var fontDevrant = fontCollection.CreateFont("Comfortaa", fontSizeDevrant, FontStyle.Regular);
var avatarHeight = banner.Height;
var avatarWidth = avatarHeight;
var avatarSize = new Size(avatarWidth, avatarHeight);
var avatarTargetX = 0;
var avatarTargetY = 0;
var avatarTarget = new Point(avatarTargetX, avatarTargetY);
var usernameTargetX = banner.Width / 3;
var usernameTartgetY = banner.Height / 4;
var usernameTarget = new Point(usernameTargetX, usernameTartgetY);
var subtextTargetX = usernameTarget.X;
var subtextTartgetY = usernameTarget.Y + fontSizeUsername;
var subtextTarget = new Point(subtextTargetX, subtextTartgetY);
var devrantTargetX = banner.Width - 108;
var devrantTargetY = banner.Height - 4 - fontSizeDevrant;
var devrantTarget = new Point(devrantTargetX, devrantTargetY);
// Draw background
banner.Mutate(i => i.BackgroundColor(Rgba32.FromHex(avatarBGColor)));
// Draw avatar
banner.Mutate(i => i.DrawImage(avatarImage, 1, avatarSize, avatarTarget));
// Draw username
banner.Mutate(i => i.DrawText(username, fontUsername, Rgba32.White, usernameTarget, new TextGraphicsOptions(true)
{
HorizontalAlignment = HorizontalAlignment.Left,
VerticalAlignment = VerticalAlignment.Center
}));
// Draw subtext
banner.Mutate(i => i.DrawText(subtext, fontSubtext, Rgba32.White, subtextTarget, new TextGraphicsOptions(true)
{
HorizontalAlignment = HorizontalAlignment.Left,
VerticalAlignment = VerticalAlignment.Center
}));
// Draw devrant text
banner.Mutate(i => i.DrawText("devrant.com", fontDevrant, Rgba32.White, devrantTarget, new TextGraphicsOptions(true)
{
HorizontalAlignment = HorizontalAlignment.Left,
VerticalAlignment = VerticalAlignment.Top
}));
banner.Save(outputPath);
}
responseStream.Close();
return(outputPath);
}
/// <summary>
/// Create a font atlas with all registered <see cref="FontAtlasEntry"/> instances.
/// </summary>
/// <param name="dpi">Dots per inch to use. Usually 96 (Windows) or 72 (MacOS).</param>
public FontAtlas CreateAtlas(Vector2?dpi = null)
{
var dpiVal = dpi ?? new Vector2(DefaultDpi);
var characterSizes = new Size[_atlasEntries.Count][];
var characterRanges = new CharacterRange[_atlasEntries.Count][];
var characterBounds = new Rectangle[_atlasEntries.Count][];
var fonts = new Font[_atlasEntries.Count];
var packer = new MaxRectsBin(64, 64);
// pad 1 pixel at all borders
packer.PaddingWidth = 1;
packer.PaddingHeight = 1;
var sb = new StringBuilder();
for (var i = 0; i < _atlasEntries.Count; i++)
{
var e = _atlasEntries[i];
characterSizes[i] = new Size[e.GetCharacterCount()];
characterRanges[i] = new CharacterRange[e.CharacterRanges.Count];
Font font;
if (e.IsSystemFont)
{
font = SystemFonts.CreateFont(e.Font.FamilyName, e.Font.Size, e.Font.Style);
}
else
{
font = _fontCollection.CreateFont(e.Font.FamilyName, e.Font.Size, e.Font.Style);
}
fonts[i] = font;
var renderOptions = new RendererOptions(font, dpiVal.X, dpiVal.Y);
var characterIndex = 0;
for (var characterRangeIndex = 0; characterRangeIndex < e.CharacterRanges.Count; characterRangeIndex++)
{
// TODO reduce allocations
var cr = e.CharacterRanges[characterRangeIndex];
characterRanges[i][characterRangeIndex] = new CharacterRange(cr, characterIndex);
sb.Clear();
for (var c = cr.Start; c <= cr.End; c++)
{
sb.Append(char.ConvertFromUtf32(c));
}
if (!TextMeasurer.TryMeasureCharacterBounds(sb.ToString().AsSpan(), renderOptions, out var glyphMetrics))
{
continue;
}
foreach (var gm in glyphMetrics)
{
// we should round the size up so nothing gets lost
characterSizes[i][characterIndex] = new Size((int)(gm.Bounds.Width + .9999f), (int)(gm.Bounds.Height + .9999f));
characterIndex++;
}
}
}
for (var i = 0; i < _atlasEntries.Count; i++)
{
characterBounds[i] = packer.Insert(characterSizes[i]);
}
var uw = (float)packer.UsedWidth;
var uh = (float)packer.UsedHeight;
var glyphMaps = new PixelGlyphMap[_atlasEntries.Count];
for (var i = 0; i < _atlasEntries.Count; i++)
{
var glyphData = new GlyphData[characterSizes[i].Length];
var gi = 0;
foreach (var cr in characterRanges[i])
{
foreach (var c in cr)
{
var rect = characterBounds[i][gi];
glyphData[gi] = new GlyphData(c, rect);
gi++;
}
}
glyphMaps[i] = new PixelGlyphMap(fonts[i], characterRanges[i], glyphData);
}
return(new FontAtlas(packer.UsedWidth, packer.UsedHeight, dpiVal, glyphMaps));
}