public Bitmap ExporteImagemSemTileMap(List <SixLabors.ImageSharp.Image> tiles, Bitmap imagemFinal)
{
if (tiles.Count > 0)
{
int contadorTiles = 0;
using (SixLabors.ImageSharp.Image <Rgba32> image = new SixLabors.ImageSharp.Image <Rgba32>(imagemFinal.Width, imagemFinal.Height))
{
for (int y = 0; y < imagemFinal.Height; y += 8)
{
Span <Rgba32> pixelRowSpan = image.GetPixelRowSpan(y);
for (int x = 0; x < imagemFinal.Width; x += 8)
{
image.Mutate(o => o.DrawImage(tiles[contadorTiles], new SixLabors.ImageSharp.Point(x, y), 1f));
tiles[contadorTiles].Dispose();
//pixelRowSpan[x] = new Rgba32(x / 255, y / 255, 50, 255);
contadorTiles++;
}
}
return(image.ToBitmap());
}
}
return(null);
}
public Image(SixLabors.ImageSharp.Image <Rgba32> image)
{
//ImageSharp loads from the top-left pixel, whereas OpenGL loads from the bottom-left.
image.Mutate(context => context.Flip(FlipMode.Vertical));
image.TryGetSinglePixelSpan(out var span);
//CheckSize(image.Width, image.Height);
var pixels = new byte[(image.Width * image.Height) << 2];
for (var i = 0; i < span.Length; i++)
{
var rgba32 = span[i];
var tmp1 = i << 2;
pixels[tmp1] = rgba32.R;
pixels[tmp1 | 0b01] = rgba32.G;
public static System.IO.Stream WriteTextToImage(string text)
{
using (SixLabors.ImageSharp.Image image = SixLabors.ImageSharp.Image <SixLabors.ImageSharp.PixelFormats.Rgba32> .Load("Assets/share-bg.png"))
{
SixLabors.Fonts.FontCollection fontCollection = new SixLabors.Fonts.FontCollection();
SixLabors.Fonts.Font regularFont = fontCollection.Install("Assets/TitilliumWeb-SemiBold.ttf").CreateFont(24, SixLabors.Fonts.FontStyle.Regular);
SixLabors.Fonts.Font italicFont = fontCollection.Install("Assets/TitilliumWeb-BoldItalic.ttf").CreateFont(24, SixLabors.Fonts.FontStyle.Italic);
image.Mutate(x => x.DrawText(text, regularFont, SixLabors.ImageSharp.Color.White, new SixLabors.ImageSharp.PointF(100, 100)));
System.IO.MemoryStream stream = new System.IO.MemoryStream();
image.Save(stream, new SixLabors.ImageSharp.Formats.Png.PngEncoder());
stream.Position = 0;
return(stream);
}
}
public Bitmap LeiaTileMapERetorneImagem(List <ushort> tileMap, List <SixLabors.ImageSharp.Image> tiles, Bitmap imagemFinal)
{
int contadorTileMap = 0;
int resY = tileMap.Count / 32 * 8;
imagemFinal = new Bitmap(256, resY);
using (SixLabors.ImageSharp.Image <Rgba32> image = new SixLabors.ImageSharp.Image <Rgba32>(imagemFinal.Width, imagemFinal.Height))
{
for (int y = 0; y < imagemFinal.Height; y += 8)
{
for (int x = 0; x < imagemFinal.Width; x += 8)
{
int valor = tileMap[contadorTileMap];
int tileNum = valor & 0x3FF;
valor = valor >> 10;
var tile = tiles[tileNum].Clone(i => i.Flip(FlipMode.None));
int horizotal = valor & 1;
valor = valor >> 1;
int vertical = valor & 1;
if (horizotal == 1)
{
tile.Mutate(t => t.RotateFlip(RotateMode.Rotate180, FlipMode.Vertical));
}
if (vertical == 1)
{
tile.Mutate(t => t.RotateFlip(RotateMode.Rotate180, FlipMode.Horizontal));
}
image.Mutate(o => o.DrawImage(tile, new SixLabors.ImageSharp.Point(x, y), 1f));
contadorTileMap++;
}
}
return(image.ToBitmap());
}
}
private void Load(string relativePath)
{
GL.BindTexture(TextureTarget.Texture2D, Handle);
//Load the image
SixLabors.ImageSharp.Image <SixLabors.ImageSharp.PixelFormats.Rgba32> image = SixLabors.ImageSharp.Image.Load <SixLabors.ImageSharp.PixelFormats.Rgba32>(relativePath);
//ImageSharp loads from the top-left pixel, whereas OpenGL loads from the bottom-left, causing the texture to be flipped vertically.
//This will correct that, making the texture display properly.
image.Mutate(x => x.Flip(FlipMode.Vertical));
//Get an array of the pixels, in ImageSharp's internal format.
image.TryGetSinglePixelSpan(out var span);
SixLabors.ImageSharp.PixelFormats.Rgba32[] pixels = span.ToArray();
//put this data into the active texture
GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Rgba, image.Width, image.Height, 0, PixelFormat.Rgba, PixelType.UnsignedByte, pixels);
GL.GenerateMipmap(GenerateMipmapTarget.Texture2D);
}
private void readImage(Stream stream)
{
image = SixLabors.ImageSharp.Image.Load(stream);
if (Width == 0)
{
Width = image.Width;
}
if (Height == 0)
{
Height = image.Height;
}
image.Mutate(ctx =>
{
if (Width != image.Width || Height != image.Height)
{
ctx.Resize(Width, Height, KnownResamplers.Box);
}
});
}
} // End Function Crop
public override System.IO.Stream ResizeImage(
System.IO.Stream inputStream,
System.IO.Stream outputStream,
SaveFormat saveFormat,
float ratio,
System.Drawing.Size?maxSize)
{
SixLabors.ImageSharp.Image <SixLabors.ImageSharp.Rgba32> img =
SixLabors.ImageSharp.Image.Load(inputStream);
SixLabors.Primitives.SizeF oldSizeSize = img.Size();
if (maxSize.HasValue)
{
float ratioX = (float)maxSize.Value.Width / (float)img.Width;
float ratioY = (float)maxSize.Value.Height / (float)img.Width;
ratio = ratioX < ratioY ? ratioX : ratioY;
} // End if (maxSize.HasValue)
SixLabors.Primitives.SizeF newSize = oldSizeSize * ratio;
if (outputStream == null)
{
outputStream = new System.IO.MemoryStream();
}
// Compand: whether to compress or expand individual pixel color values
img.Mutate(x => x.Resize((SixLabors.Primitives.Size)newSize, KnownResamplers.Bicubic, false));
img.Save(outputStream, GetEncoder(saveFormat));
// NO, no seek, if we're respone.OutputStream
if (outputStream.CanSeek)
{
outputStream.Seek(0, System.IO.SeekOrigin.Begin);
}
return(outputStream);
} // End Function ResizeImage
} // End Function GetEncoder
public override System.IO.Stream Crop(
System.IO.Stream stream,
SaveFormat saveFormat,
int x, int y, int width, int height)
{
SixLabors.ImageSharp.Image <SixLabors.ImageSharp.Rgba32> img =
SixLabors.ImageSharp.Image.Load(stream);
System.IO.Stream outputStream = new System.IO.MemoryStream();
img.Mutate(a => a.Crop(new SixLabors.Primitives.Rectangle(x, y, width, height)));
img.Save(outputStream, GetEncoder(saveFormat));
// NO, no seek, if we're respone.OutputStream
if (outputStream.CanSeek)
{
outputStream.Seek(0, System.IO.SeekOrigin.Begin);
}
return(outputStream);
} // End Function Crop
private void TODO(string path)
{
SixLabors.ImageSharp.Image <SixLabors.ImageSharp.Rgba32> img =
SixLabors.ImageSharp.Image.Load(path);
img.Mutate(x => x.Grayscale());
img.Mutate(x => x.BlackWhite());
img.Mutate(x => x.Invert());
img.Mutate(x => x.Flip(FlipType.Horizontal));
img.Mutate(x => x.RotateFlip(RotateType.Rotate270, FlipType.None));
float degrees = 30;
img.Mutate(x => x.Rotate(degrees, KnownResamplers.Bicubic));
float degreesX = 5, degreesY = 5;
img.Mutate(x => x.Skew(degreesX, degreesY, KnownResamplers.Bicubic));
img.Mutate(x => x.OilPaint());
img.Mutate(x => x.Sepia());
img.Mutate(x => x.Pixelate());
SixLabors.Primitives.Rectangle bounds =
new SixLabors.Primitives.Rectangle(10, 10, img.Width / 2, img.Height / 2);
img.Mutate(x => x.BackgroundColor(SixLabors.ImageSharp.PixelFormats.NamedColors <
SixLabors.ImageSharp.Rgba32> .HotPink, bounds));
img.Mutate(x => x.GaussianBlur());
img.Mutate(x => x.GaussianSharpen());
img.Mutate(x => x.DetectEdges());
img.Mutate(x => x.Glow());
img.Mutate(x => x.Vignette());
SixLabors.ImageSharp.Dithering.IOrderedDither defaultDitherer =
new SixLabors.ImageSharp.Dithering.OrderedDither();
img.Mutate(x => x.Dither(defaultDitherer));
SixLabors.ImageSharp.Dithering.IErrorDiffuser ad =
new SixLabors.ImageSharp.Dithering.AtkinsonDiffuser();
float threshold = 0.5f;
img.Mutate(x => x.Dither(ad, threshold));
SixLabors.Primitives.Rectangle thresholdBounds =
new SixLabors.Primitives.Rectangle(10, 10, img.Width / 2, img.Height / 2);
float thresholdValue = 0.5f;
img.Mutate(x => x.BinaryThreshold(thresholdValue, thresholdBounds));
int value = 5;
SixLabors.Primitives.Rectangle blurBounds =
new SixLabors.Primitives.Rectangle(10, 10, img.Width / 2, img.Height / 2);
img.Mutate(x => x.BoxBlur(value, blurBounds));
img.Mutate(x => x.ColorBlindness(ColorBlindness.Tritanopia));
}
public async Task <string> Post(IFormFile image)
{
string f = Directory.GetCurrentDirectory();
string path = "/uploads/img/" + string.Format(@"{0}.webp", DateTime.Now.Ticks);
int result = 0;
string response;
Image responseImage = new Image();
try
{
using (AnimalProjectDbContext _context = new AnimalProjectDbContext())
{
int maxid = 0;
if (_context.Images.Count() > 0)
{
maxid = _context.Images.OrderByDescending(a => a.id).FirstOrDefault().id;
}
responseImage.id = maxid + 1;
if (image == null || image.Length == 0)
{
response = BadRequest().StatusCode.ToString() + "," + "Add at least 1 photo";
}
else
{
var resizedImgStream = new MemoryStream();
using (var memoryStream = new MemoryStream())
{
await image.CopyToAsync(memoryStream);
responseImage.sha = GetHashSha256(memoryStream);
if (_context.Images.Any(a => a.sha == responseImage.sha))
{
responseImage = _context.Images.First(a => a.sha == responseImage.sha);
response = responseImage.path;
}
else
{
IResampler sampler = KnownResamplers.Lanczos3;
memoryStream.Position = 0;
SixLabors.ImageSharp.Image img = SixLabors.ImageSharp.Image.Load(memoryStream);
// TODO: ResizeImage(img, 100, 100);
if (img.Width * img.Height > 2073600)
{
if (img.Width == img.Height)
{
img.Mutate(x => x.Resize(1080, 1080, sampler));
}
else
{
if (img.Width > img.Height)
{
//16:9 case else 4:3 case
if ((img.Width / img.Height) > 1.34)
{
img.Mutate(x => x.Resize(1920, 1080, sampler));
}
else
{
img.Mutate(x => x.Resize(1280, 960, sampler));
}
}
else
{
//16:9 case else 4:3 case
if ((img.Width / img.Height) > 1.34)
{
img.Mutate(x => x.Resize(1080, 1920, sampler));
}
else
{
img.Mutate(x => x.Resize(960, 1280, sampler));
}
}
}
img.Save(resizedImgStream, new BmpEncoder());
using (var webPImage = new ImageFactory(preserveExifData: false))
{
resizedImgStream.Position = 0;
webPImage.Load(resizedImgStream)
.Format(new WebPFormat())
.Quality(90)
.Save(Directory.GetCurrentDirectory() + path);
}
response = path;
}
else
{
using (var webPImage = new ImageFactory(preserveExifData: false))
{
memoryStream.Position = 0;
webPImage.Load(memoryStream)
.Format(new WebPFormat())
.Quality(90)
.Save(Directory.GetCurrentDirectory() + path);
}
response = path;
}
responseImage.path = path;
_context.Images.Add(responseImage);
try
{
result = _context.SaveChanges();
}
catch (Exception e)
{
response = e.Message;
}
}
};
}
}
}
catch (Exception e)
{
response = "Fail" + Environment.NewLine + e.Message;
}
return(response);
}
