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1. fit crop an image

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   crop an image or fit it to to size you want. It's based on imag center.

    1 def fit_crop(file_path, max_width=None, max_height=None, save_as=None):
    2     # Open file
    3     img = Image.open(file_path)
    4     
    5     # Store original image width and height
    6     w, h = float(img.size[0]), float(img.size[1])
    7     
    8     # Use the original size if no size given
    9     max_width = float(max_width or w)
   10     max_height = float(max_height or h)
   11     
   12     # Find the closest bigger proportion to the maximum size
   13     scale = max(max_width / w, max_height / h)
   14     
   15     # Image bigger than maximum size?
   16     if (scale < 1):
   17         # Calculate proportions and resize
   18         w = int(w * scale)
   19         h = int(h * scale)
   20         img = img.resize((w, h), Image.ANTIALIAS)
   21     #
   22     
   23     # Avoid enlarging the image
   24     max_width = min(max_width, w)
   25     max_height = min(max_height, h)
   26     
   27     # Define the cropping box
   28     left = int((w - max_width) / 2)
   29     top = int((h - max_height) / 2)
   30     right = int(left + max_width)
   31     bottom = int(top + max_height)
   32     
   33     # Crop to fit the desired size
   34     img = img.crop( (left, top, right, bottom) )
   35     
   36     # Save in (optional) 'save_as' or in the original path
   37     img.save(save_as or file_path)
   38     
   39     return True
   

   Posted by benoitc to python images resize crop ... saved by 3 persons ... 0 comments ... 1 year, 2 months

2. printscreen.sh

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   Juste un script qui se charge de faire un screenshot, le place dans un répertoire donné, et affiche une miniature de ce qui à été capturé. La capture se fait en utilisant scrot (par défaut) ou import (si scrot n'est pas présent) Testé on Linux and Solaris

     1 #!/usr/bin/env bash
     2 #
     3 #printscreen.sh written by : nali <phobos@goupilfr.org>
     4 #               enhanced by : slubman <slubman@ifrance.com>
     5 # this script is free software according to the
     6 # GNU General Public License (see http://www.gnu.org/licenses/gpl.html)
     7 #
     8 #
     9 # This script make a screenshot and save it to a default location
    10 # You can customize some component by editing variables:
    11 #  * REP_SAVE
    12 #  * IMG_PREF
    13 #  * IMG_UNIQ
    14 #  * IMG_VIEW
    15 #  * IMG_SIZE
    16 #
    17 # The script first try to use the scrot program, if not found it default on import
    18 #
    19 ###########################################################
    20 
    21 
    22 # Modify the following variables to fetch what you want:
    23 #repertoire des sauvegardes
    24 REP_SAVE=~/Documents/Captures
    25 
    26 # Prefixe du nom des images
    27 IMG_PREF=capture
    28 
    29 # Estampille (unique) des images
    30 IMG_UNIQ=`date +%Y-%m-%d-%H%M%S`
    31 
    32 # View Image (0=no , 1=yes : this feature depend on the display program) ?
    33 IMG_VIEW=1
    34 
    35 # Display image resize
    36 IMG_SIZE="840x625"
    37 
    38 
    39 
    40 ###########################################################
    41 # You really don't need to edit anything bellow this line #
    42 ###########################################################
    43 
    44 #Delai en sec. avant la capture . Peut etre interessant a mettre par exemple a
    45 #5 ou 10 secondes pour capturer des screen savers.
    46 
    47 [ "$1" ] && DELAY=$1
    48 
    49 ###########################################################
    50 
    51 #repertoire des captures non datees
    52 REP_TEMP=$REP_SAVE/tmp
    53 
    54 #creation du repertoire des sauvegardes si il  n existe pas
    55 [ ! -d $REP_SAVE ] && mkdir $REP_SAVE
    56 
    57 #creation du repertoire des sauvegardes avant "datage", si il  n existe pas
    58 [ ! -d $REP_TEMP ] && mkdir $REP_TEMP
    59 
    60 ###########################################################
    61 
    62 # Verification de l'exitence de import
    63 CAPTURE_CMDS=(scrot import)
    64 for CAPTURE_CMD in ${CAPTURE_CMDS[@]};
    65 do
    66 	which $CAPTURE_CMD
    67 	if [ $? -eq 0 ]; then
    68 		echo "Using $CAPTURE_CMD for the capture !!"
    69 		break
    70 	fi
    71 done
    72 
    73 # Verification de l'exitence de display
    74 if [ IMG_VIEW == "1" -a ! $(which display) ]; then
    75         echo "display program not found, please install ImageMagick (http://www.imagemagick.org)"
    76         exit
    77 fi
    78 
    79 #nom de l'image avant datage
    80 NOM_TEMP=$IMG_PREF.png
    81 
    82 #nettoyage du temp
    83 cd $REP_TEMP
    84 rm -f $NOM_TEMP
    85 
    86 #capture de l'image
    87 [ $DELAY ] && sleep $DELAY
    88 case $CAPTURE_CMD in
    89 	scrot)
    90 		scrot -m $NOM_TEMP
    91 		;;
    92 	import)
    93 		import -window root $NOM_TEMP
    94 		;;
    95 	*)
    96 		echo "Unknown capture command"
    97 		exit
    98 		;;
    99 esac
   100 
   101 
   102 #ajout de la date et heure au nom de la capture
   103 #c'est pas beau mais ca marche :)
   104 SEPARATEUR=-
   105 NOM_DATE=`basename $NOM_TEMP .png`$SEPARATEUR$IMG_UNIQ.png
   106 
   107 cp $NOM_TEMP $NOM_DATE
   108 
   109 mv $NOM_DATE $REP_SAVE
   110 
   111 #affichage en mode reduit
   112 [ $IMG_VIEW == "1" ] && display -resize $IMG_SIZE "$REP_SAVE/$NOM_DATE" &
   113 
   114 #nettoyage du temp , pour laisser propre en partant ...
   115 cd $REP_TEMP
   116 rm -f $NOM_TEMP
   

   Posted by slubman to shell capture grab shell images ... saved by 2 persons ... 1 comments ... 1 year, 2 months

3. Images resizing with shell and imagemagick

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   Resize a lot of images with shell and imagemagick

   1 for i in *.jpg
   2 do  convert $i -scale 1024x760 resized-$i;
   3 done
   

   Posted by comete to shell bash images resize shell ... saved by 5 persons ... 1 comments ... 1 year, 2 months

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