public static string GetConvertedImage(byte[] stream)
{
using (var bmp = new GcBitmap())
{
bmp.Load(stream);
// Add watermark
var newImg = new GcBitmap();
newImg.Load(stream);
using (var g = bmp.CreateGraphics(Color.White))
{
g.DrawImage(
Image.FromGcBitmap(newImg, true),
new RectangleF(0, 0, bmp.Width, bmp.Height),
null,
ImageAlign.Default
);
g.DrawString("DOCUMENT", new TextFormat
{
FontSize = 96,
ForeColor = Color.FromArgb(128, Color.Yellow),
Font = FontCollection.SystemFonts.DefaultFont
},
new RectangleF(0, 0, bmp.Width, bmp.Height),
TextAlignment.Center, ParagraphAlignment.Center, false);
}
// Convert to grayscale
bmp.ApplyEffect(GrayscaleEffect.Get(GrayscaleStandard.BT601));
// Resize to thumbnail
var resizedImage = bmp.Resize(100, 100, InterpolationMode.NearestNeighbor);
return(GetBase64(resizedImage));
}
}
public static string GetConvertedImage(byte[] stream)
{
using (var bmp = new GcBitmap())
{
bmp.Load(stream);
// Convert to grayscale
bmp.ApplyEffect(GrayscaleEffect.Get(GrayscaleStandard.BT601));
// Resize to thumbnail
var resizedImage = bmp.Resize(100, 100, InterpolationMode.NearestNeighbor);
return(GetBase64(resizedImage));
}
}
public static byte[] GetConvertedImage(byte[] str)
{
GcBitmap.SetLicenseKey(System.Environment.GetEnvironmentVariable("GcImagingLicenseKey", EnvironmentVariableTarget.Process));
using (var bmp = new GcBitmap())
{
bmp.Load(str);
// Add watermark
var newImg = new GcBitmap();
newImg.Load(str);
using (var g = bmp.CreateGraphics(Color.White))
{
g.DrawImage(
Image.FromGcBitmap(newImg, true),
new RectangleF(0, 0, bmp.Width, bmp.Height),
null,
ImageAlign.Default
);
g.DrawString("DOCUMENT", new TextFormat
{
FontSize = 22,
ForeColor = Color.FromArgb(128, Color.Yellow),
Font = FontCollection.SystemFonts.DefaultFont
},
new RectangleF(0, 0, bmp.Width, bmp.Height),
TextAlignment.Center, ParagraphAlignment.Center, false);
}
// GcBitmap.SetLicenseKey("");
// Convert to grayscale
bmp.ApplyEffect(GrayscaleEffect.Get(GrayscaleStandard.BT601));
// Resize to thumbnail
var resizedImage = bmp.Resize(100, 100, InterpolationMode.NearestNeighbor);
using (MemoryStream m = new MemoryStream())
{
resizedImage.SaveAsPng(m);
m.Position = 0;
byte[] _buffer = new byte[16 * 1024];
using (MemoryStream _ms = new MemoryStream())
{
int _read;
while ((_read = m.Read(_buffer, 0, _buffer.Length)) > 0)
{
_ms.Write(_buffer, 0, _read);
}
return(_ms.ToArray());
}
}
}
}