readme.md

Aspose.Imaging .NET API allows to easy crop your images or photos with high quality in your .NET application or Web service.

You can:

• crop one or few images;
• crop a multi-page image;
• crop vector images.

Interested ?

You may go further at : https://products.aspose.com/imaging/net/

crop-bitmap-formats-without-exporter.cs

using Aspose.Imaging;
using Aspose.Imaging.FileFormats.Emf;
using Aspose.Imaging.FileFormats.Tiff.Enums;
using Aspose.Imaging.ImageOptions;
using System;
using System.Collections.Generic;
using System.IO;

string templatesFolder = @"c:\Users\USER\Downloads";
List<string> rasterFormatsWithoutExporter = new List<string>() { "djvu" };

rasterFormatsWithoutExporter.ForEach(
                formatExt =>
                {
                    var inputFile = Path.Combine(templatesFolder, $"template.{formatExt}");
                    var outputFile = Path.Combine(templatesFolder, $"cropped_{formatExt.ToUpper()}.png");
		    Console.WriteLine("Cropping " + formatExt);	
                    
 		    using (var image = (RasterImage)Image.Load(inputFile))
                    {
                        // More about Crop oepration can be found
                        // at https://apireference.aspose.com/imaging/net/aspose.imaging/rasterimage/methods/crop/index
                        image.Crop(image.Width / 4, image.Width / 4, image.Height / 4, image.Height / 4);
                        image.Save(outputFile, new PngOptions());
                    }

                    File.Delete(outputFile);
                }
);

crop-bitmap-formats.cs

using Aspose.Imaging;
using Aspose.Imaging.FileFormats.Emf;
using Aspose.Imaging.FileFormats.Tiff.Enums;
using Aspose.Imaging.ImageOptions;
using System;
using System.Collections.Generic;
using System.IO;

string templatesFolder = @"c:\Users\USER\Downloads";
List<string> rasterFormats = new List<string>() { "png", "bmp", "apng", "dicom",
                "jpg", "jp2", "j2k", "tga", "webp", "tif", "ico"};
            
rasterFormats.ForEach(
                formatExt =>
                {
                    var inputFile = Path.Combine(templatesFolder, $"template.{formatExt}");
                    var outputFile = Path.Combine(templatesFolder, $"cropped.{formatExt}");
		    Console.WriteLine("Cropping " + formatExt);		
                    using (var image = (RasterImage)Image.Load(inputFile))
                    {
                        // More about Crop oepration can be found
                        // at https://apireference.aspose.com/imaging/net/aspose.imaging/rasterimage/methods/crop/index
                        image.Crop(image.Width / 4, image.Width / 4, image.Height / 4, image.Height / 4);
                        image.Save(outputFile);
                    }   

                        File.Delete(outputFile);                 
                }
);

crop-meta-formats.cs

using Aspose.Imaging;
using Aspose.Imaging.FileFormats.Emf;
using Aspose.Imaging.FileFormats.Tiff.Enums;
using Aspose.Imaging.ImageOptions;
using System;
using System.Collections.Generic;
using System.IO;

string templatesFolder = @"c:\Users\USER\Downloads";
List<string> metaFormats = new List<string>() { "emf", "emz", "wmf", "wmz" };

metaFormats.ForEach(
                formatExt =>
                {
                    var inputFile = Path.Combine(templatesFolder, $"template.{formatExt}");
                    var outputFile = Path.Combine(templatesFolder, $"cropped.{formatExt}");
		    
		    Console.WriteLine("Cropping " + formatExt);	
                    using (var image = (MetaImage)Image.Load(inputFile))
                    {
                        // More about Crop oepration can be found
                        // at https://apireference.aspose.com/imaging/net/aspose.imaging/rasterimage/methods/crop/index
                        image.Crop(image.Width / 4, image.Width / 4, image.Height / 4, image.Height / 4);
                        image.Save(outputFile);
                    }

                    File.Delete(outputFile);
                }
);

crop-multipage-bitmap-formats-without-exporter.cs

using Aspose.Imaging;
using Aspose.Imaging.FileFormats.Emf;
using Aspose.Imaging.FileFormats.Tiff.Enums;
using Aspose.Imaging.ImageOptions;
using System;
using System.Collections.Generic;
using System.IO;

string templatesFolder = @"c:\Users\USER\Downloads";
List<string> multipagedRasterFormatsWithoutExporter = new List<string>() { "djvu" };


multipagedRasterFormatsWithoutExporter.ForEach(
                formatExt =>
                {
                    var inputFile = Path.Combine(templatesFolder, $"template.{formatExt}");
                    var outputFile = Path.Combine(templatesFolder, $"cropped_{formatExt.ToUpper()}.tif");

		    Console.WriteLine("Cropping " + formatExt);	
                    using (var image = Image.Load(inputFile))
                    {
                        var multipage = (IMultipageImage)image;
                        foreach (var page in multipage.Pages)
                        {
                            var rasterPage = (RasterImage)page;
                            // More about Crop oepration can be found
                            // at https://apireference.aspose.com/imaging/net/aspose.imaging/rasterimage/methods/crop/index
                            rasterPage.Crop(page.Width / 4, page.Width / 4, page.Height / 4, page.Height / 4);
                        }

                        image.Save(outputFile, new TiffOptions(TiffExpectedFormat.TiffJpegRgb));
                    }                    

                    File.Delete(outputFile);
                }
);

crop-multipage-vector-images-without-crop-to-raster.cs

using Aspose.Imaging;
using Aspose.Imaging.FileFormats.Emf;
using Aspose.Imaging.FileFormats.Tiff.Enums;
using Aspose.Imaging.ImageOptions;
using System;
using System.Collections.Generic;
using System.IO;

string templatesFolder = @"c:\Users\USER\Downloads";
List<string> formats = new List<string>() { "cdr", "cmx", "otg", "odg" };

formats.ForEach(
                formatExt =>
                {
                    var inputFile = Path.Combine(templatesFolder, $"template.{formatExt}");
                    var outputFile = Path.Combine(templatesFolder, $"cropped.{formatExt}.tiff");

                    using (var image = (Image)Image.Load(inputFile))
                    {
                        image.Save(outputFile, new TiffOptions(TiffExpectedFormat.Default));
                    }

		    Console.WriteLine("Cropping " + formatExt);	
                    using (var image = (RasterImage)Image.Load(outputFile))
                    {
                        // More about Crop oepration can be found
                        // at https://apireference.aspose.com/imaging/net/aspose.imaging/rasterimage/methods/crop/index
                        image.Crop(image.Width / 4, image.Width / 4, image.Height / 4, image.Height / 4);
                        image.Save();
                    }

                    File.Delete(outputFile);

                }
);

crop-vector-images-without-crop-to-raster.cs

using Aspose.Imaging;
using Aspose.Imaging.FileFormats.Emf;
using Aspose.Imaging.FileFormats.Tiff.Enums;
using Aspose.Imaging.ImageOptions;
using System;
using System.Collections.Generic;
using System.IO;

string templatesFolder = @"c:\Users\USER\Downloads";

List<string> formats = new List<string>() { "svg", "eps" };

formats.ForEach(
                formatExt =>
                {
                    var inputFile = Path.Combine(templatesFolder, $"template.{formatExt}");
                    var outputFile = Path.Combine(templatesFolder, $"cropped.{formatExt}.png");

                    using (var image = (Image)Image.Load(inputFile))
                    {                                                
                        image.Save(outputFile, new PngOptions());
                    }

		    Console.WriteLine("Cropping " + formatExt);	
                    using (var image = (RasterImage)Image.Load(outputFile))
                    {
                        // More about Crop oepration can be found
                        // at https://apireference.aspose.com/imaging/net/aspose.imaging/rasterimage/methods/crop/index
                        image.Crop(image.Width / 4, image.Width / 4, image.Height / 4, image.Height / 4);
                        image.Save();
                    }

                    File.Delete(outputFile);

                }
);