Convert CGM to WMF via Java
Export CGM file to WMF within any within any Java J2SE, J2EE, J2ME applications without using Adobe® Acrobat Reader
Converting a CGM file to a WMF image in Java can be done in two easy steps. The first step is to use the Aspose.PDF for Java API, which is part of the Aspose.Total for Java package. This API allows you to export CGM files to JPEG images. The second step is to use the Aspose.Imaging for Java Image Processing API to render the JPEG image to a WMF image.
Aspose.PDF for Java is a powerful PDF manipulation API that enables developers to create, edit, convert, and manipulate PDF documents. It supports a wide range of file formats, including CGM, and can be used to export CGM files to JPEG images. The API also provides a range of features such as text extraction, document signing, and PDF/A conversion.
Aspose.Imaging for Java is an image processing API that enables developers to manipulate images in a variety of ways. It supports a wide range of image formats, including WMF, and can be used to render JPEG images to WMF images. The API also provides a range of features such as image resizing, cropping, and color conversion.
By combining the two APIs, developers can easily convert CGM files to WMF images in Java. The Aspose.Total for Java package provides both APIs in one package, making it easy to access both APIs and use them together. With the help of these APIs, developers can quickly and easily convert CGM files to WMF images in Java.
Export CGM to WMF via Java
Conversion Requirements
You can easily use Aspose.Total for Java directly from a Maven based project and include libraries in your pom.xml.
Alternatively, you can get a ZIP file from downloads .
| // supports PDF, CGM, EPUB, TeX, PCL, PS, XPS, MD, MHTML, XSLFO, HTML file formats | |
| // load PDF with an instance of Document | |
| Document document = new Document("input.pdf"); | |
| // create an object of JpegDevice | |
| JpegDevice renderer = new JpegDevice(); | |
| // convert first of a particular PDF page to JPEG format | |
| renderer.process(document.getPages().get_Item(1), "output.jpeg"); | |
| // load JPEG file | |
| Image image = Image.Load("output.jpeg"); | |
| // supports Dicom, Jpeg2000, Apng, Psd, Dxf, Wmf, Emz, Wmz, Tga, Svgz file formats | |
| // save JPEG to PSD file format | |
| image.save("output.psd", new PsdOptions()); |
Convert CGM to WMF in a Single File via Java
The API also allows you to export CGM file to WMF to a single file. In order to convert all pages, you can first render your CGM document to one TIFF file and after that, you can export the TIFF file to WMF. You can open the input file using Document class and create Resolution, TiffSettings, & TIFF device objects. You can get a single TIFF image using process method of TiffDevice class. Finally, you can load TIFF file using Image class and save it to WMF format using save method.
| // supports PDF, CGM, EPUB, TeX, PCL, PS, XPS, MD, MHTML, XSLFO, HTML file formats | |
| // load PDF with an instance of Document | |
| Document pdfDocument = new Document("input.pdf"); | |
| // Create Resolution object | |
| Resolution resolution = new Resolution(300); | |
| // Create TiffSettings object | |
| TiffSettings tiffSettings = new TiffSettings(); | |
| tiffSettings.setCompression(CompressionType.None); | |
| tiffSettings.setDepth(ColorDepth.Default); | |
| tiffSettings.setShape(ShapeType.Landscape); | |
| // Create TIFF device | |
| TiffDevice tiffDevice = new TiffDevice(resolution, tiffSettings); | |
| // Convert a particular page and save the image to stream | |
| tiffDevice.process(pdfDocument, 1, 1, "output.tif"); | |
| // load TIFF file | |
| Image image = Image.Load("output.tif"); | |
| // supports Dicom, Jpeg2000, Apng, Psd, Dxf, Wmf, Emz, Wmz, Tga, Svgz file formats | |
| // save TIFF to PSD file format | |
| image.save("output.psd", new PsdOptions()); |
Convert CGM to WMF With Watermark via Java
Using the API, you can also export CGM file to WMF with watermark in your WMF document. In order to add a watermark to you can first convert CGM to JPEG and add a watermark in it. In order to add watermark, load an image file using the Image class, create an object of the Graphics class and initialize it with Image object, create a new Matrix object and set translation and transformation to the desired angle and add watermark using Graphics.drawString method. After adding the watermark in your image, you can save the JPEG as WMF format.
| // supports PDF, CGM, EPUB, TeX, PCL, PS, XPS, MD, MHTML, XSLFO, HTML file formats | |
| // load PDF with an instance of Document | |
| Document document = new Document("input.pdf"); | |
| // create an object of JpegDevice | |
| JpegDevice renderer = new JpegDevice(); | |
| // convert first of a particular PDF page to JPEG format | |
| renderer.process(document.getPages().get_Item(1), "output.jpeg"); | |
| // load JPEG | |
| Image image = Image.load("output.jpeg"); | |
| // create and initialize an instance of Graphics class | |
| Graphics graphics= new Graphics(image); | |
| // create an instance of Font | |
| Font font = new Font("Times New Roman", 16, FontStyle.Bold); | |
| // create an instance of SolidBrush and set its properties | |
| SolidBrush brush = new SolidBrush(); | |
| brush.setColor(Color.getBlack()); | |
| brush.setOpacity(100); | |
| Size sz = graphics.getImage().getSize(); | |
| // create an object of Matrix class for transformation | |
| Matrix matrix = new Matrix(); | |
| // first a translation then a rotation | |
| matrix.translate(sz.getWidth() / 2, sz.getHeight() / 2); | |
| matrix.rotate(-45.0f); | |
| // set the Transformation through Matrix | |
| graphics.setTransform(matrix); | |
| // draw a string using the SolidBrush and Font objects at specific point | |
| graphics.drawString("Watermark by Aspose.Imaging for Java", font, brush, 0, 0); | |
| // supports Dicom, Jpeg2000, Apng, Psd, Dxf, Wmf, Emz, Wmz, Tga, Svgz file formats | |
| // save JPEG to PSD file format | |
| image.save("output.psd", new PsdOptions()); |
Convert & Rotate CGM to WMF File via Java
Using the API, you can also rotate the output WMF image as per your needs. The Image.rotateFlip method can be used to rotate the image by 90/180/270-degrees and flip the image horizontally or vertically. The library provides simple methods to perform complex operations while encapsulating all ugly details. You can specify the type of rotation and flip to apply to the image. In order to rotate and flip the image, you can load the converted JPEG image using the Image class and call the Image.rotateFlip method while specifying the appropriate RotateFlipType .
| // supports PDF, CGM, EPUB, TeX, PCL, PS, XPS, MD, MHTML, XSLFO, HTML file formats | |
| // load PDF with an instance of Document | |
| Document document = new Document("input.pdf"); | |
| // create an object of JpegDevice | |
| JpegDevice renderer = new JpegDevice(); | |
| // convert first of a particular PDF page to JPEG format | |
| renderer.process(document.getPages().get_Item(1), "output.jpeg"); | |
| // load JPEG file | |
| Image image = Image.Load("output.jpeg"); | |
| // roate image | |
| image.RotateFlip(RotateFlipType.Rotate270FlipNone); | |
| // supports Dicom, Jpeg2000, Apng, Psd, Dxf, Wmf, Emz, Wmz, Tga, Svgz file formats | |
| // save JPEG to PSD file format | |
| image.save("output.psd", new PsdOptions()); |