Valid values: | none, defined, premultiplied |
Default value: | none |
If set to none, the default, any wizard image which is a 32 bit bitmap file should not have an alpha channel.
If set to premultiplied, any wizard image which is a 32 bit bitmap file should have its red, green and blue channel values premultiplied with the alpha channel value.
If set to defined, any wizard image which is a 32 bit bitmap file should not have its red, green and blue channel values premultiplied with the alpha channel value.
This directive has no effect for a wizard image which is not a 32 bit bitmap file.