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Set Auto Layout Scaling & BitDepth for PNG Image Format inside .NET Apps

We are pleased to announce the new release of Aspose.Imaging for .NET 2.9.0. Bit depth in imaging is the number of bits used to indicate the color of a single pixel in a bitmap image. Like all other bitmap formats, PNG color depth is also represented in bits such as 1-bit (2 colors), 2-bit (4 colors), 4-bit (16 colors) and 8-bit (256 colors). Aspose.Imaging for .NET API has exposed a very easy to use mechanism to set the BitDepth for existing as well as new PNG images. With the release of version 2.9.0, the API has provided the BitDepth property for the PngOptions class that can be used to set the BitDepth as 1, 2, 4 or 8 bits for gray-scale and indexed color types, whereas, for all other color types only 8 bits are supported at the moment. Most of the CAD drawings have more than one layouts stored in a single file, and each layout could have different dimensions. While rendering such CAD drawings to PDF, each page of the PDF could have different scaling according to the layout size. In order to make the rendering homogeneous, the Aspose.Imaging APIs have exposed the CadRasterizationOptions.AutomaticLayoutsScaling property. Its default value is false but when set to true, the API will try to search for a corresponding scale for each separate layout and draw them in corresponding manner by performing automatic re-size operation according to page size. Aspose.Imaging for .NET 2.9.0 has also made some important improvements, such as enhanced the image loading & saving mechanism of JPEG, BMP & GIF file formats, improved the CAD loading mechanism for head-less CAD drawing files and provided support for TIFF files having PackBits compression. The main new and improved features added in this release are listed below

Tiff image loading throws FrameworkException
Incorrect Raster image saving work when created image width is lover than 125 px
Gif export is very slow
Export of bmp to gif hangs
Improve performance of JPEG saving
Improve performance of JPEG loading
Implement autoscaling for layout pages
Support CAD files with no proper header defined
ImageLoadException: Error in Layers, while loading certain DXF file
ImageLoadException: Cannot open an image. The image file format may be not supported at the moment, while loading a certain DXF
ImageLoadException: Cannot open an image. The image file format may be not supported at the moment." while loading a certain DXF
TIFF Codec does not support PackBits compression method
Converting images to PNG 1 bpp

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.

- Specifying Bit Depth for PNG Images:

- Customizing CAD Conversion:

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:

- Download Aspose.Imaging for .NET:

- Online documentation Aspose.Imaging for .NET:

- Demos of Aspose.Imaging for .NET:

- Post your technical questions/queries to Aspose.Imaging for .NET Forum:

- Receive notifications about latest news and supported features by subscribing to Aspose.Imaging for .NET blog:

Contact Information
Aspose Pty Ltd
Suite 163, 79 Longueville Road
Lane Cove, NSW, 2066
Phone: 888.277.6734
Fax: 866.810.9465

Contact Information

  • Name: Sher Azam

    Company: Aspose

    Telphone: 888-277-6734 , -

    Address: Aspose Pty Ltd
    Suite 163, 79 Longueville Road
    Lane Cove, NSW, 2066