Move image utilities into bin/

1 files changed, 46 insertions, 0 deletions

diff --git a/bin/image/shellrc b/bin/image/shellrc
new file mode 100644
index 0000000..e27b485
--- /dev/null
+++ b/bin/image/shellrc
@@ -0,0 +1,46 @@
+# Image Utilities
+
+# Concatenate image vertically 
+image.vertical() { 
+  suffix=${1##*.}
+  convert "$@" -append $(basename -s .$suffix $1)-$(basename -s .$suffix ${@: -1}).${format:-$suffix}
+}
+
+# Concatenate image horizontally
+image.horizontal() { 
+  ext=${1##*.}
+  convert "$@" +append output.$ext
+}
+
+# Export image with data url format
+image.from_data_url() {
+  [ -z "$1" ] && echo File name needed && return 1
+  xsel -ob | sed -E 's/^.+,//' | base64 -d >$1
+  identify $1
+}
+
+# Upload image to vps
+# Usage:
+#   image.upload foo.png
+image.upload() {
+  local month=$(date +%Y-%m)
+  local filename=${2:-$(date +"%d_%Hh%Mm%Ss").${1##*.}}
+  local fpath='$HOME/data/s3.photos/'$month
+  cat $1 | ssh vps "mkdir -p $fpath && cat >$fpath/$filename" && \
+  echo https://topo.tw/photos/$month/$filename || \
+  echo Fail to upload
+}
+
+# Create an image contains text
+image.text() {
+  convert \
+    -size 230x130 \
+    -background lightblue \
+    -font Noto-Sans-Bold \
+    -pointsize 25 \
+    -fill black \
+    -gravity Center \
+    caption:"${1:=foo}" \
+    -flatten \
+    "${2:=foo}".jpg
+}