change border to white not black

and resize upfront and white borders
This commit is contained in:
Mario Fetka 2012-02-14 15:41:40 +01:00
parent 3df8e2c106
commit 227b48bd41

View File

@ -134,8 +134,41 @@ convert_image() {
local wight=`${CMD_identify} -format "%w" $src`
${CMD_identify} -format "%wx%h" $src
if [ $wight -lt $hight ] ; then
# Its higher so force x160 and let imagemagic decide the right wight
# then add transparency to the rest of the image to fit 160x160
log_debug "Icon Wight: $wight < Hight: $hight"
convert $src -colorspace RGB -resize x160 \
-size 160x160 xc:white +swap -gravity center -composite \
-modulate 110 -colors 256 $OUTPUT_DIR/resize.png
builder_check_error "converting image"
elif [ $wight -gt $hight ] ; then
# Its wider so force 160x and let imagemagic decide the right hight
# then add transparency to the rest of the image to fit 160x160
log_debug "Icon Wight: $wight > Hight: $hight"
convert $src -colorspace RGB -resize 160x \
-size 160x160 xc:white +swap -gravity center -composite \
-modulate 110 -colors 256 $OUTPUT_DIR/resize.png
builder_check_error "converting image"
elif [ $wight -eq $hight ] ; then
# Its scare so force 160x160
log_debug "Icon Wight: $wight = Hight: $hight"
convert $src -colorspace RGB -resize 160x160 \
-size 160x160 xc:white +swap -gravity center -composite \
-modulate 110 -colors 256 $OUTPUT_DIR/resize.png
builder_check_error "converting image"
else
# Imagemagic is unable to detect the aspect ratio so just force 160x160
# this could result in streched images
log_debug "Icon Wight: $wight unknown Hight: $hight"
convert $src -colorspace RGB -resize 160x160 \
-size 160x160 xc:white +swap -gravity center -composite \
-modulate 110 -colors 256 $OUTPUT_DIR/resize.png
builder_check_error "converting image"
fi
# create a diffence image from the source
convert $src \( +clone -fx 'p{0,0}' \) -compose Difference -composite \
convert $OUTPUT_DIR/resize.png \( +clone -fx 'p{0,0}' \) -compose Difference -composite \
-modulate 100,0 +matte $OUTPUT_DIR/difference.png
# remove the black, replace with transparency
@ -152,41 +185,8 @@ convert_image() {
$OUTPUT_DIR/matte-negated.png
# you are going for: white interior, black exterior
composite -compose CopyOpacity $OUTPUT_DIR/matte-negated.png $src \
$OUTPUT_DIR/final.png
if [ $wight -lt $hight ] ; then
# Its higher so force x160 and let imagemagic decide the right wight
# then add transparency to the rest of the image to fit 160x160
log_debug "Icon Wight: $wight < Hight: $hight"
convert $OUTPUT_DIR/final.png -colorspace RGB -resize x160 \
-size 160x160 xc:transparent +swap -gravity center \
-composite -modulate 110 -colors 256 png8:$dst
builder_check_error "converting image"
elif [ $wight -gt $hight ] ; then
# Its wider so force 160x and let imagemagic decide the right hight
# then add transparency to the rest of the image to fit 160x160
log_debug "Icon Wight: $wight > Hight: $hight"
convert $OUTPUT_DIR/final.png -colorspace RGB -resize 160x \
-size 160x160 xc:transparent +swap -gravity center \
-composite -modulate 110 -colors 256 png8:$dst
builder_check_error "converting image"
elif [ $wight -eq $hight ] ; then
# Its scare so force 160x160
log_debug "Icon Wight: $wight = Hight: $hight"
convert $OUTPUT_DIR/final.png -colorspace RGB -resize 160x160 \
-size 160x160 xc:transparent +swap -gravity center \
-composite -modulate 110 -colors 256 png8:$dst
builder_check_error "converting image"
else
# Imagemagic is unable to detect the aspect ratio so just force 160x160
# this could result in streched images
log_debug "Icon Wight: $wight unknown Hight: $hight"
convert $OUTPUT_DIR/final.png -colorspace RGB -resize 160x160 \
xc:transparent +swap -gravity center -composite \
-modulate 110 -colors 256 png8:$dst
builder_check_error "converting image"
fi
composite -compose CopyOpacity $OUTPUT_DIR/matte-negated.png $OUTPUT_DIR/resize.png \
$dst
# New size
# identify -format "%wx%h" $dst