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start fixing up test_thumbnail

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since --interpolator no longer does anything
This commit is contained in:
John Cupitt 2016-03-25 06:11:01 +00:00
parent da43a4041f
commit 2996947b0d
2 changed files with 36 additions and 32 deletions
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5
TODO
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@ -1,3 +1,8 @@
- test_thumbnail.sh is failing ... 1000->999 makes a 998 image
- move 16->8 conversion to a separate pass? with so many constants, can't we
get an error for some mask sizes?
- try SEQ_UNBUFFERED on jpg source, get out of order error? - try SEQ_UNBUFFERED on jpg source, get out of order error?
- could load pdf thumbnails? - could load pdf thumbnails?

63
test/test_thumbnail.sh
View File

@ -1,7 +1,6 @@
#!/bin/sh #!/bin/sh
# resize a 1000x1000 image to every size in [500,1000] with every interpolator # resize a 1000x1000 image to every size in [100,1000], check for black
# and check for black lines
# see https://github.com/jcupitt/libvips/issues/131 # see https://github.com/jcupitt/libvips/issues/131
@ -23,39 +22,39 @@ break_threshold() {
return $(echo "$diff > $threshold" | bc -l) return $(echo "$diff > $threshold" | bc -l)
} }
for interp in nearest bilinear bicubic lbb nohalo vsqbs; do size=1000
size=1000 while [ $size -gt 99 ]; do
while [ $size -gt 499 ]; do printf "testing size to $size ... "
printf "testing $interp, size to $size ... " vipsthumbnail $tmp/t1.v -o $tmp/t2.v --size $size
vipsthumbnail $tmp/t1.v -o $tmp/t2.v --size $size --interpolator $interp if [ $(vipsheader -f width $tmp/t2.v) -ne $size ]; then
if [ $(vipsheader -f width $tmp/t2.v) -ne $size ]; then echo $tmp/t2.v failed -- bad size
echo failed -- bad size echo output width is $(vipsheader -f width $tmp/t2.v)
echo output width is $(vipsheader -f width $tmp/t2.v) exit
exit fi
fi if [ $(vipsheader -f height $tmp/t2.v) -ne $size ]; then
if [ $(vipsheader -f height $tmp/t2.v) -ne $size ]; then echo $tmp/t2.v failed -- bad size
echo failed -- bad size echo output height is $(vipsheader -f width $tmp/t2.v)
exit exit
fi fi
vips project $tmp/t2.v $tmp/cols.v $tmp/rows.v
min=$(vips min $tmp/cols.v) vips project $tmp/t2.v $tmp/cols.v $tmp/rows.v
if break_threshold $min 0; then
echo failed -- has a black column
exit
fi
min=$(vips min $tmp/rows.v)
if break_threshold $min 0; then
echo failed -- has a black row
exit
fi
echo ok min=$(vips min $tmp/cols.v)
if break_threshold $min 0; then
echo $tmp/t2.v failed -- has a black column
exit
fi
size=$(($size-1)) min=$(vips min $tmp/rows.v)
done if break_threshold $min 0; then
echo $tmp/t2.v failed -- has a black row
exit
fi
echo ok
size=$(($size-1))
done done