More new features of Aspose.CAD 18.3

Besides two new features I've already covered in articles, such as: New option to set default line caps and Exporting particular entities from CAD files, Aspose.CAD 18.3 also has the following new features:

Support for saving into DXF file.
Support for adding raster image during export of DWG image
Support for adding text during export of DWG image.

Support for saving into DXF file:

This is simple, just load DXF file, modify the loaded CadImage object and call Save on it with output file name with DXF extension. (File format is selected automatically based on extension both for loading and saving).

using System;
using System.Collections.Generic;
using Aspose.CAD;
using Aspose.CAD.FileFormats.Cad;
using Aspose.CAD.FileFormats.Cad.CadConsts;
using Aspose.CAD.FileFormats.Cad.CadObjects;
using Aspose.CAD.ImageOptions;

namespace DxfDemo
{
    class Program
    {
        static void Main()
        {
            string sourceFilePath =  "example.dxf";
            using (CadImage cadImage = (CadImage)Image.Load(sourceFilePath))
            {
                // do any updates to cadImage there

                //Save to resulting DXF
                cadImage.Save("modified.dxf");
            }
        }
    }
}

That's it.

Support for adding raster image during export of DWG image:

You can add a raster image into an already loaded DWG/DXF image (i.e. a CadImage object) and then export the whole image as raster or PDF:

using System;
using System.Collections.Generic;
using Aspose.CAD;
using Aspose.CAD.FileFormats.Cad;
using Aspose.CAD.FileFormats.Cad.CadConsts;
using Aspose.CAD.FileFormats.Cad.CadObjects;
using Aspose.CAD.ImageOptions;

namespace DxfDemo
{
    class Program
    {
        static void Main()
        {
            string dwgPathToFile =  "Drawing11.dwg";
            CadImage cadImage1 = (CadImage)Image.Load(dwgPathToFile);
            // using (Image image = ImageLoader.Load(dwgPathToFile))
            {
                //Setup image data
                CadRasterImageDef cadRasterImageDef = new CadRasterImageDef();
                cadRasterImageDef.ObjectHandle = "A3B4";
                //Raster image file has to be in the same folder as DWG
                cadRasterImageDef.FileName = "road-sign-custom.png";

                //Setup location of image being added within the CAD image 
                CadRasterImage cadRasterImage = new CadRasterImage();
                cadRasterImage.ImageDefReference = "A3B4";
                cadRasterImage.InsertionPoint.X = 26.77;
                cadRasterImage.InsertionPoint.Y = 22.35;
                cadRasterImage.DisplayFlags = 7;
                cadRasterImage.ImageSizeU = 640;
                cadRasterImage.ImageSizeV = 562;
                cadRasterImage.UVector.X = 0.0061565450840500831;
                cadRasterImage.UVector.Y = 0;
                cadRasterImage.VVector.X = 0;
                cadRasterImage.VVector.Y = 0.0061565450840500822;
                cadRasterImage.ClippingState = 0;
                cadRasterImage.ClipBoundaryVertexList.Add(new Cad2DPoint(-0.5, 0.5));
                cadRasterImage.ClipBoundaryVertexList.Add(new Cad2DPoint(639.5, 561.5));

                //Add image description entity to CAD image
                CadImage cadImage = (CadImage)cadImage1;
                cadImage.BlockEntities["*Model_Space"].AddEntity(cadRasterImage);

                //Add image data (raster itself) to CAD image
                List<CadBaseObject> list = new List<CadBaseObject>(cadImage.Objects);
                list.Add(cadRasterImageDef);
                cadImage.Objects = list.ToArray();

                //Export the modified image
                PdfOptions pdfOptions = new PdfOptions();
                CadRasterizationOptions cadRasterizationOptions = new CadRasterizationOptions();
                pdfOptions.VectorRasterizationOptions = cadRasterizationOptions;
                cadRasterizationOptions.DrawType = CadDrawTypeMode.UseObjectColor;
                cadRasterizationOptions.CenterDrawing = true;
                cadRasterizationOptions.PageHeight = 1600;
                cadRasterizationOptions.PageWidth = 1600;
                cadRasterizationOptions.Layouts = new string[] { "Model" };
                cadImage1.Save("export2.pdf", pdfOptions);
            }
        }
    }
}

Support for adding text during export of DWG image:

Likewise, you can add text into loaded image for it to appear in exported raster or PDF image. It's a bit simplier to do as you don't have to provide data and metadata separately:

using System;
using System.Collections.Generic;
using Aspose.CAD;
using Aspose.CAD.FileFormats.Cad;
using Aspose.CAD.FileFormats.Cad.CadConsts;
using Aspose.CAD.FileFormats.Cad.CadObjects;
using Aspose.CAD.ImageOptions;

namespace DxfDemo
{
    class Program
    {
        static void Main()
        {
            string dwgPathToFile =  "Drawing11.dwg";
            CadImage cadImage1 = (CadImage)Image.Load(dwgPathToFile);
            // using (Image image = ImageLoader.Load(dwgPathToFile))
            {
                //Only have to setup the text entity
                CadText cadText = new CadText();
                cadText.StyleType = "Standard";
                cadText.DefaultValue = "Some custom text";
                cadText.ColorId = 256;
                cadText.LayerName = "0";
                cadText.FirstAlignment.X = 47.90;
                cadText.FirstAlignment.Y = 5.56;
                cadText.TextHeight = 0.8;
                cadText.ScaleX = 0.0;

                //Add text to model space block
                CadImage cadImage = (CadImage)cadImage1;
                cadImage.BlockEntities["*Model_Space"].AddEntity(cadText);

                //Export modified image
                PdfOptions pdfOptions = new PdfOptions();
                CadRasterizationOptions cadRasterizationOptions = new CadRasterizationOptions();
                pdfOptions.VectorRasterizationOptions = cadRasterizationOptions;
                cadRasterizationOptions.DrawType = CadDrawTypeMode.UseObjectColor;
                cadRasterizationOptions.CenterDrawing = true;
                cadRasterizationOptions.PageHeight = 1600;
                cadRasterizationOptions.PageWidth = 1600;
                cadRasterizationOptions.Layouts = new string[] { "Model" };
                cadImage1.Save("Drawing11_with_text.pdf", pdfOptions);
            }
        }
    }
}

That's it!

For more examples please visit the Aspose.CAD GitHub page. There's also Twitter and Facebook pages for news on Aspose.CAD.

And this is the main Aspose.CAD product page.