Press Release / Computer / Generate Thumbnail from JPEG and Export Specific Layout in DXF Drawing to PDF using .NET
Generate Thumbnail from JPEG and Export Specific Layout in DXF Drawing to PDF using .NET
By johansonkatherine on April 23 2014 | 452 Views
.NET developers can now extract the thumbnail information from the image metadata and also provides a new method for the long awaited feature of image cropping using Aspose.Imaging for .NET API.
The latest version of Aspose.Imaging for .NET 2.3.0 has been released. A thumbnail is a small copy of an image mostly used for recognition purposes when more images are stored in a library. Usually, when the image is shot with a digital camera, the thumbnail information is stored in the image metadata and can be retrieved through imaging libraries such as Aspose.Imaging for .NET API.
With this release, Aspose.Imaging has provided a convenient mechanism to extract the thumbnail information from the image metadata. Aspose.Imaging now provides the long awaited feature of image cropping for the RasterImage class by introducing the Crop method. There are two overload versions of the Crop method available based on two different approaches as discussed below:
- Shift Mode: One of the overloads accepts 4 integer parameters denotes as Left, Right, Top and Bottom. Based on these values, the Crop method shrinks the image boundaries toward the center of the image while discarding everything outside the boundaries.
- Rectangle Mode: As the name suggests, this mechanism can be used to highlight a particular area by cutting it out of the image. The area should be defined using an instance of the Rectangle class and passed to the other overload of the Crop method.
Prior to Aspose.Imaging for .NET 2.3, the API facilitated exporting a specific layer of the AutoCAD DXF drawing to PDF format. With this release Aspose.Imaging adds another exciting feature that allows you to select a layout from a DXF drawing, and export it to PDF.
The main new and improved featuresadded in this release are listed below:
• Add support for invisible objects
• Expose Jpeg features
• Add support for text rotation angle for dimension objects
• Request for Image Cropping Facility
• Publish PdfOptions.Layout property
• Dual sign the .Net assembly
• Fix bugs with damaged files during Cad->Pdf export
• Fix bug with changing of line width inside insert
• Fix bug with additional text for MTEXT entity
• Fix null reference exception during loading DXF file with old header
• ArgumentException: Parameter is not valid, at RotateFlip
• ImageLoadException: Malformed exif section at Image.Load
• Dithering algorithm sometimes produces animated gif-s with blinks due to wrong transparent color processing.
• Improve rendering of text entity
• JPG to TIFF conversion results in poor image quality.
Newly added documentation pages and articles
Some new tips and articles have now been added into Aspose.Imaging for .NET documentation that may guide you briefly how to use Aspose.Imaging for performing different tasks like the followings.
- Creating Thumbnails from JPEG Images: http://www.aspose.com/docs/display/imagingnet/Creating+Thumbnails+from+Jpeg+Images
- Cropping Images: http://www.aspose.com/docs/display/imagingnet/Cropping+Images
Overview: Aspose.Imaging for .NET
Aspose.Imaging for .NET is an image processing & manipulation component that allows developers to create, edit, draw or convert images in their .NET application. It allows developers to convert image files to PSD, BMP, JPEG, PNG, TIFF and GIF formats. Moreover a set of pens, brushes and fonts can be used to draw images or add new elements & text to existing images. Aspose.Imaging for .NET works well with both web & windows applications. Moreover, it adds the support for Silverlight platform.
More about Aspose.Imaging for .NET
- Homepage of Aspose.Imaging for .NET: http://www.aspose.com/.net/imaging-component.aspx
- Download Aspose.Imaging for .NET: http://www.aspose.com/community/files/51/.net-components/aspose.imaging-for-.net/default.aspx
- Online documentation Aspose.Imaging for .NET: http://www.aspose.com/docs/display/imagingnet/Home
- Demos of Aspose.Imaging for .NET: http://www.aspose.com/demos/.net-components/aspose.imaging/default.aspx
- Post your technical questions/queries to Aspose.Imaging for .NET Forum: http://www.aspose.com/community/forums/aspose.imaging-product-family/498/showforum.aspx
- Receive notifications about latest news and supported features by subscribing to Aspose.Imaging for .NET blog: http://www.aspose.com/blogs/aspose-products/aspose.imaging-product-family.html
Contact Information
Aspose Pty Ltd
Suite 163, 79 Longueville Road
Lane Cove, NSW, 2066
Australia
http://www.aspose.com/
sales@aspose.com
Phone: 888.277.6734
Fax: 866.810.9465
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