ImageGear for .NET
ImageGear Alpha Channel Support

ImageGear provides alpha channel support for the following file format filters:

Format Support
Adobe PSB Supports single Alpha channel for Read only. Supports additional Alpha channels as ImageGear Extra channels for Read only.
Adobe PSD Supports single Alpha channel for Read only. Supports additional Alpha channels as ImageGear Extra channels for Read only.
CUR Supports single 8-bit alpha channel for read/write. Supports single 1-bit alpha channel for read only.
ICO Supports single 8-bit alpha channel for read/write. Supports single 1-bit alpha channel for read only.
JPEG Supports single Alpha channel for Read/write.
JPEG 2000 Supports single Alpha channel for read/write, for Grayscale and RGB images.
JPX Supports single Alpha channel for read/write, for Grayscale and RGB images. Supports additional Alpha channels as ImageGear Extra channels for read/write.
PNG Supports single Alpha channel for read/write.
SGI Supports single alpha channel for read and write.
TGA Supports single alpha channel for read and write.
TIFF Supports single Alpha channel for read and write. Supports additional Alpha channels as ImageGear Extra channels for read and write. The following compressions are supported with alpha channel:

  • Uncompressed
  • Packed Bits
  • LZW
  • Deflate

 

 


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