/// <summary>
/// Generates a thumbnail for the specified image, using ImageMagick or GraphicsMagick
/// </summary>
/// <param name="sourceImg">Image to generate thumbnail for</param>
/// <param name="width">Width of the thumbnail</param>
/// <param name="height">Height of the thumbnail</param>
/// <returns>Thumbnail image</returns>
public static Bitmap GenerateMagickThumbnail(this Image sourceImg, int width, int height)
{
// Create new GraphicsMagick process for thumbnail generation
var process = new Process
{
StartInfo = new ProcessStartInfo
{
FileName = "gm",
Arguments = string.Format("convert - -filter sinc -size {0}x{1} -resize {0}x{1} -", width, height),
RedirectStandardInput = true,
RedirectStandardOutput = true,
RedirectStandardError = true,
UseShellExecute = false,
CreateNoWindow = true,
}
};
process.Start();
// Write source image to input stream of GraphicsMagick
sourceImg.Save(process.StandardInput.BaseStream, ImageFormat.Png);
process.StandardInput.Flush();
process.StandardInput.Close();
try
{
var thumb = new Bitmap(process.StandardOutput.BaseStream);
return thumb;
}
catch (Exception ex)
{
var errors = process.StandardError.ReadToEnd();
throw new Exception(string.Format("Error invoking GraphicsMagick: {0}\nOriginal exception: {1}", errors, ex));
}
finally
{
process.Dispose();
}
} using (MagickImage image = new MagickImage("C:\\images.eps"))
{
image.Write("C:\\thumb.jpg");
}
// Magick.NET 6.8.6.801 .Net 4.0
void result(object z){ System.Diagnostics.Debug.WriteLine(String.Format("{0}", z ?? "null")); }
using (MagickImage img = new MagickImage(src))
{
String z;
z = "filename"; result(img.GetAttribute(z));
img.SetAttribute(z,"test"); result(img.GetAttribute(z));
z="filter:blur"; result(img.GetArtifact(z));
img.SetArtifact(z, "1.23"); result(img.GetArtifact(z));
}
result:
null
test
null
null<system.web><compilation><assemblies><addassembly="Magick.NET-x64, Version=6.0.0.0"PublicKeyToken="2004825badfa91ec"/></assemblies></compilation></system.web>
gacutil.exe /if "c:\folderwithyourfiles\Magick.NET-x64.dll"
gacutil.exe /if "c:\folderwithyourfiles\YourLibrary.dll"MagickImage img1 = new MagickImage(filename1)
MagicImage img2 = new MagickImage(filename2);
//first attempt
MagickImageCollection col = new MagickImageCollection() {img1, img2};
col.Merge(); // caused the result image to be fully colorized
// second attempt
MagickImageCollection col = new MagickImageCollection() {img1, img2};
col.Combine(); // the RGB colors were combined into the resulting color.
// third attempt
img1.Composite(img2, Gravirt.Center); // generated a mesh of RGB colors
using (MagickImage first = new MagickImage("Source_img1.tif")) { MagickImage second = new MagickImage("Source_img2.tif"); first.Composite(second, 0, 0, CompositeOperator.Plus); first.Write("overlaid_img.tif"); }
MagickImage image = new MagickImage(sPath + "Render3D1.jpg");
image.Resize(300, 300);
image.Format = MagickFormat.Png;
var geometry = new ImageMagick.MagickGeometry(300, 300);
var gravity = new ImageMagick.Gravity();
var backgroundColor = new ColorMono(false); //* Hack??
gravity = Gravity.Center;
image.Extent(geometry, gravity, backgroundColor);
image.Write(sPath + "Render3D1_300_WthGeometry.png");using (MagickImage image = new MagickImage(sPath + "Render3D1.jpg") { image.Resize(300, 300); image.Format = MagickFormat.Png; // There is an implicit cast from System.Drawing.Color to MagickColor. image.Extent(300, 300, Gravity.Center, System.Drawing.Color.Transparent); image.Write(sPath + "Render3D1_300_WthGeometry.png"); }
Thank you. Your efforts are much appreciated. This is a great project you are doing!
Do you take donations anywhere?
Tom McEwen
AnchorCove Publishing, Inc.
[email removed]
Phone: 303-972-0099
Thank you. Your efforts are much appreciated. This is a great project you are doing!
Do you take donations anywhere?
Tom McEwen
AnchorCove Publishing, Inc.
[email removed]
Phone: 303-972-0099