Legacy ImageMagick Discussions Archive

Thanks to fmw42, the problem resolved in thread viewtopic.php?f=1&t=19348

...

wm_width=500
wm_text="testing"
wm_angle=45
wm_opacity=50
src_filename="freckles2.jpg"
outfile="freckles2_text.jpg"
data=`convert -gravity center -fill grey75 -font verdana \
-size $wm_width label:$wm_text \
-format "%wx%hx%[label:pointsize]" info:`
wd=`echo "$data" | cut -dx -f 1`
ht=`echo ...

The following commands consume CPU too much :( Please, help me optimize it.


# Prepare watermark PNG
convert -background transparent \
\( -fill grey75 -font DejaVu-Sans-Condensed \
-size $wm_width label:$wm_text \
-gravity center \) \
\( +clone -fill white -size $wm_width \
label:$wm_text \
-roll ...

The following commands consume CPU too much :( Please, help me optimize it.


# Prepare watermark PNG
convert -background transparent \
\( -fill grey75 -font DejaVu-Sans-Condensed \
-size $wm_width label:$wm_text \
-gravity center \) \
\( +clone -fill white -size $wm_width \
label:$wm_text \
-roll ...

I've managed to produce diagonal text with it's copy of +10+10 offset and white color:
# ...
convert -background transparent \
\( -fill grey75 -font "$WM_FONT" \
-size $WM_SIZE label:"$WM_TEXT" \) \
\( +clone -fill white -size $WM_SIZE label:"$WM_TEXT" -roll -10-10 \) \
-reverse -composite ...

You could specify the size you want and use label: to set the point size automatically rather than using -draw.

see
http://www.imagemagick.org/Usage/text/
http://www.imagemagick.org/Usage/text/#label
Thank you very much! This partially solved my problem.

However, I cannot find how to specify ...

Hi!

How do I obtain good pointsize for text depending on the image I print the text on?

Particularly, I'm making script to stamp watermakrs automatically on a wide variety of images(canvas sizes). I've made bash script for testing:

#!/bin/bash -

#{{{ Parse CLI args
function my_split_str ...