ImageGear Professional for Unix
ImageGear Alpha Channel Support
| ImageGear Professional v18.2 > User Guide > File Format Reference > ImageGear Alpha Channel Support |
Alpha channel is an additional image channel that specifies transparency (or opacity) of each pixel in the image. 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. |
| EXIF-JPEG | Supports single Alpha channel for Read/write. |
| EXIF-TIFF |
Supports single Alpha channel for read only. Supports additional Alpha channels as ImageGear Extra channels for read only.The following compressions are supported with alpha channel:
|
| 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. |
| MAC PICT | Supports single alpha channel for read only. Alpha channel have to be 8-bit image. |
| PNG | Supports single Alpha channel for read/write. |
| RAW | Supports single Alpha channel in uncompressed images for read only. |
| 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:
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