Legacy ImageMagick Discussions Archive

convert -size 500x500 -fill black -font Helvetica caption:@text.txt text.gif

if pdf is in rgb colorspace and has no transparency, then

convert image.pdf[0] -fill yellow -opaque black newimage.png

the [0] will select only the first page and the newimage will only be the result for the first page

can you provide links to your input form, your text file and an example (or description) of what you want the result to look like. If you are trying to put specific text into different locations on the form page, then you will need to create an image using label: or caption: or -annotate or -draw fo...

I confirm the same kind of results with

convert -size 250x250 xc:white -stroke black -strokewidth 10 -fill blue \
-draw "rectangle 50,50 200,200" tmp.png


in IM 6.6.0-9 Q16 Mac OSX Tiger

Hey! Thanks for the reply. Isn't half 16 also supposed to be float? What I find strange is that if I leave the colorspace to log, it does what I ask, but if I convert to rgb it acts funny and clips the image. -Daniel Yes, 16-bit float is the half format. So I guess it should work fine. I have not h...

IM only supports "half" format EXR (i.e. 16bit)

You can save to TIFF or PFM if you want to keep the fractional or negative values. see NetPBM for PFM

what were your exact commands?

what was the complaint about your result?

see

http://www.imagemagick.org/Usage/color/#sepia-tone
http://www.imagemagick.org/Usage/color/#tinting
http://www.imagemagick.org/Usage/color/#duotone

also I have a unix script, tintilize, see link below

On some machines with multiple processors it actually runs slower with OpenMP enable than without. You might try disabling OpenMP if you have multiple processors and see if that helps.

JPG does not support multiple image format! Your examples seem to have gif for output and not jpg. Is that a typo? If you want to get any one frame from the input gif and convert that to one jpg image then use convert image.gif[0] -crop 197x153+3+0 -quality 100 image.jpg which gives the first frame ...

As of IM 6.6.0-9, FFT in ImageMagick should work properly for Windows users. An change was made to correct for a missing complex.h library under Windows.

NOTE that one has to install the FFTW delegate first, then recompile IM from source so that it recognizes FFTW.

also see -function polynomial, which can processes the equation y=ax+b where a is slope and related to contrast and b is offset and related to brightness

can you post a link to an example image so that the IM folks can test with it.

As of IM 6.6.0-9, Fourier Transform functions in ImageMagick should now work properly for Windows users (thanks to user el_supremo).

Note that one has to install the FFTW delegate and then recompile IM from source.

Fred

FYI:

recent versions of IM are multiprocessor compatible. so if you have dual core or more then you should see speedups with OpenMP enabled (by default)

thanks.