FYI:
magk.type() = TrueColorMatteType
magk.colorspaceType() = UndefinedColorSpace
If I set the colorspace to TransparentColorSpace it has no affect, and alpha is still stripped from the image by the filter.
Search found 2 matches
- 2014-03-06T09:50:06-07:00
- Forum: Magick++
- Topic: alpha channel + filtering
- Replies: 1
- Views: 9656
- 2014-03-06T09:07:16-07:00
- Forum: Magick++
- Topic: alpha channel + filtering
- Replies: 1
- Views: 9656
alpha channel + filtering
I have an RGBA image, and when I run a median filter on it, I lose the alpha channel. Here's my C++: Magick::Image magk(width, height, "RGBA", Magick::FloatPixel, pPixels); magk.alphaChannel(Magick::ActivateAlphaChannel); magk.channel(static_cast<MagickCore::ChannelType>(Magick::RedChannel|Magick ...