Search found 3 matches

by Petti
2011-05-13T11:02:18-07:00
Forum: MagickWand
Topic: Help converting tiff to 256 color indexed bmp
Replies: 5
Views: 18089

Re: Help converting tiff to 256 color indexed bmp

Ok I looked into the image a bit more and I found that there were fewer than 256 colors in the original image, when I used a different image that I knew had 256 colors, it worked! Thanks so much for your help, I am almost complete. I have converted the C, M, and Y, but I am having trouble with Black...
by Petti
2011-05-13T08:55:23-07:00
Forum: MagickWand
Topic: Help converting tiff to 256 color indexed bmp
Replies: 5
Views: 18089

Re: Help converting tiff to 256 color indexed bmp

Ok I tried the order that you mentioned fwm42... MagickSeparateImageChannel (CyanChannel) - "first separate your channel" MagickSetImageDepth (8) - "then set the depth to 8" MagickSetImageType (PaletteType) - "then specify the type as either palette or grayscale" This produced a colortable with only...
by Petti
2011-05-12T16:32:42-07:00
Forum: MagickWand
Topic: Help converting tiff to 256 color indexed bmp
Replies: 5
Views: 18089

Help converting tiff to 256 color indexed bmp

I am trying to use the MagickWand API to read a tiff and output a bmp representing a 256 indexed color(PseudoClass) greyscale image of the Cyan channel. Please help, I have tried: MagickSetImageType TrueColorType MagickSeparateImageDepth 8 MagickSeparateImageChannel CyanChannel MagickQuantizeImages ...