Initial release

resizePictures.sh

@@ -0,0 +1,93 @@
+#! /bin/bash
+
+#########################################################
+#                                                       #
+# resizePictures.sh                                     #
+#                                                       #
+# Author: Damien Broqua <contact@darkou.fr>             #
+# Github: https://github.com/Dbroqua/resizePictures     #
+# Licence: Apache License 2.0                           #
+#                                                       #
+# Requirement:                                          #
+# - imagemagick                                         #
+#                                                       #
+# Usage:                                                #
+# - create logo.png in ~/templates                      #
+# - run resizePictures.sh in wanted directory           #
+# All jpg of the current folder wil be resized and      #
+# stored in <currentfolder>/resized                     #
+# If cover.jpg found, file will be converted in other   #
+# size and without logo (for my wordpress theme).       #
+#                                                       #
+#########################################################
+
+# Your choices
+MAXWIDTH=800
+MAXHEIGHT=600
+COVERWIDTH=520
+COVERHEIGHT=245
+
+# Defining some generic variables
+COVERFILE="cover.jpg"
+COVERRATIO=$((${COVERWIDTH}/${COVERHEIGHT}))
+LOGO=~/template/logo.png
+DEST='resized'
+OPTIONS='-depth 8 -quality 80 -strip -interlace Plane'
+
+# Defining some colors for log()
+RED="\E[31m"
+BLUE="\E[44m"
+GREEN="\E[92m"
+BOLD="\033[4m"
+RESET="\033[0m"
+
+
+# If destination does not exists, create it
+if [ ! -d ${DEST} ] ; then
+    mkdir ${DEST}
+fi
+
+# For each files
+for image in *.jpg ; do
+    if [ ! -f ${image} ] ; then
+        echo -e "${RED}# No file found in ${PWD}${RESET}"
+        continue
+    fi
+
+    # Convert covert
+    if [ "${image}" == "${COVERFILE}" ] ; then
+        echo -e "${GREEN}Converting cover file${RESET}"
+
+        # Extract image dimensions
+        WIDTH=`identify -format "%[fx:w]" ${image}`
+        HEIGHT=`identify -format "%[fx:h]" ${image}`
+
+        # Compute image ratio
+        IMAGERATIO=$((${WIDTH}/${HEIGHT}))
+
+        # Define temporary image size (used for crop)
+        TMPWIDTH=${WIDTH}
+        TMPHEIGHT=${HEIGHT}
+
+        # Compute temporary with or height to crop correctly image
+        if [ "${COVERRATIO}" -gt "${IMAGERATIO}" ] ; then
+            TMPHEIGHT=$((${WIDTH}*${COVERHEIGHT}/${COVERWIDTH}))
+        else
+            TMPWIDTH=$((${HEIGHT}*${COVERWIDTH}/${COVERHEIGHT}))
+        fi
+
+        # Crop image with the good ratio
+        convert -gravity Center -crop ${TMPWIDTH}x${TMPHEIGHT}+0+0 +repage ${image} /tmp/${image}
+
+        # Rezise cover and save it
+        convert ${OPTIONS} -resize ${COVERWIDTH}x${COVERHEIGHT} /tmp/${image} ${DEST}/${image}
+
+        # Remove temporary file
+        rm /tmp/${image}
+    else
+        echo -e "${RED}Converting image ${image}${RESET}"
+
+        convert -resize ${MAXWIDTH}x${MAXHEIGHT} ${image} ${DEST}/${image}
+        composite ${OPTIONS} -gravity SouthEast ${LOGO} ${DEST}/${image} ${DEST}/${image}
+    fi
+done