Re: how to avoid quantize()
Anthony Thyssen <[email protected]>
| Newsgroups | gmane.comp.video.image-magick.user |
|---|---|
| Message-ID | <20091113124256.1a6a0bc4@wraith> |
On Thu, 12 Nov 2009 17:46:05 +0800 ZHOU Xiao-bo <[email protected]> wrote: | hi all: | | When I resized( actually shrinked it) a GIF using C++ interface, I got | an output much larger than the original. | I noticed that the output image's platte is 256, and I think it's the | reason.(I am sure I compiled tiff with lzw.） | | So I must first use 'sample' to resize and then 'quantizeColors' and | 'quantize' to reduce the colors to get a smaller | output. But 'quantize' introduces a much longer time. | | How can I resize a GIF and avoid using 'quantize' to get an output | image with the original platte? | thanks a lot. | Use sample so you don't generate colors when resizing. Of course the quality is really bad, because you are not creating new colors! Anthony Thyssen ( System Programmer ) <[email protected]> -------------------------------------------------------------------------- All these theories, diverse as they are, have two things in common. They explain all the observed facts and they are complete and utterly WRONG. -- Terry Pratchet, "The Light Fantastic" -------------------------------------------------------------------------- Anthony's Home is his Castle http://www.cit.gu.edu.au/~anthony/ _______________________________________________ Magick-users mailing list [email protected] http://studio.imagemagick.org/mailman/listinfo/magick-users