blob: 847503fba2a263ff15563464835f7e406869e505 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
|
#!/bin/sh
# $2 is PKG_VERSION which uses dots: e.g. "7.1.2.21"
# convert --version reports with a dash: "7.1.2-21"
# Build the dash form for grep.
_imver=$(echo "$2" | sed 's/\.\([0-9]*\)$/-\1/')
case "$1" in
imagemagick)
# Version check; convert and magick are both installed
convert --version | grep -F "ImageMagick"
convert --version | grep -F "$_imver"
# Create a test image via the ImageMagick convert command
convert -size 32x32 xc:white /tmp/im-white.png
[ -f /tmp/im-white.png ] || { echo "FAIL: PNG creation"; exit 1; }
# Identify: confirm format and geometry
identify /tmp/im-white.png | grep -E "PNG.*32x32"
# Convert to JPEG
convert /tmp/im-white.png /tmp/im-white.jpg
identify /tmp/im-white.jpg | grep "JPEG"
# Resize: exact geometry
convert -size 64x64 xc:blue -resize 16x16! /tmp/im-small.png
identify /tmp/im-small.png | grep -E "PNG.*16x16"
# Color sampling: create a known red pixel, read it back
convert -size 1x1 xc:'rgb(255,0,0)' /tmp/im-red.png
# fx/info: query exercises the pixel engine
convert /tmp/im-red.png -format '%[fx:p{0,0}.r*255]' info: | grep -E "^255$"
# BMP round-trip (exercises a different codec path)
convert /tmp/im-white.png /tmp/im-white.bmp
identify /tmp/im-white.bmp | grep "BMP"
# Grayscale conversion
convert /tmp/im-red.png -colorspace Gray /tmp/im-gray.png
identify -verbose /tmp/im-gray.png | grep -i "gray"
# Composite two images (exercises MagickCore composite engine)
convert /tmp/im-white.png /tmp/im-red.png \
-gravity Center -composite /tmp/im-comp.png
identify /tmp/im-comp.png | grep "PNG"
# TIFF round-trip: encode, then decode back to PNG at the same geometry
convert /tmp/im-white.png /tmp/im-white.tiff
identify /tmp/im-white.tiff | grep "TIFF"
convert /tmp/im-white.tiff /tmp/im-back.png
identify /tmp/im-back.png | grep -E "PNG.*32x32"
# PPM and GIF encoders (built-in codecs)
convert /tmp/im-white.png /tmp/im-white.ppm
identify /tmp/im-white.ppm | grep -E "PNM|PPM"
convert /tmp/im-white.png /tmp/im-white.gif
identify /tmp/im-white.gif | grep "GIF"
# Crop a sub-region; +repage drops the virtual canvas offset
convert /tmp/im-white.png -crop 10x10+0+0 +repage /tmp/im-crop.png
identify /tmp/im-crop.png | grep -E "PNG.*10x10"
# Rotate 90 degrees swaps width and height
convert -size 40x20 xc:white -rotate 90 /tmp/im-rot.png
identify /tmp/im-rot.png | grep -E "PNG.*20x40"
# Horizontal append of two images
convert /tmp/im-white.png /tmp/im-small.png +append /tmp/im-app.png
identify /tmp/im-app.png | grep "PNG"
# The IM7 'magick' driver must work as well as the legacy tools
magick -size 24x24 xc:green /tmp/im-magick.png
identify /tmp/im-magick.png | grep -E "PNG.*24x24"
# mogrify rewrites the file in place
cp /tmp/im-white.png /tmp/im-mog.png
mogrify -resize 20x20! /tmp/im-mog.png
identify /tmp/im-mog.png | grep -E "PNG.*20x20"
rm -f /tmp/im-white.png /tmp/im-white.jpg /tmp/im-small.png \
/tmp/im-red.png /tmp/im-white.bmp /tmp/im-gray.png /tmp/im-comp.png \
/tmp/im-white.tiff /tmp/im-back.png /tmp/im-white.ppm \
/tmp/im-white.gif /tmp/im-crop.png /tmp/im-rot.png /tmp/im-app.png \
/tmp/im-magick.png /tmp/im-mog.png
;;
esac
|
