Option |
Description |
-adjoin |
join images into a single multi-image file |
-affine matrix |
affine transform matrix |
-annotate geometry text |
annotate the image with text |
-authenticate value |
decrypt image with this password |
-blue-primary point |
chromaticity blue primary point |
-blur geometry |
blur the image |
-border geometry |
surround image with a border of color |
-bordercolor color |
border color |
-channel type |
apply option to select image channels |
-clone index |
clone an image |
-colors value |
preferred number of colors in the image |
-colorspace type |
alternate image colorspace |
-comment string |
annotate image with comment |
-compose operator |
set image composite operator |
-compress type |
image compression type |
-crop geometry |
preferred size and location of the cropped image |
-debug events |
display copious debugging information |
-define format:option |
define one or more image format options |
-density geometry |
horizontal and vertical density of the image |
-depth value |
image depth |
-display server |
get image or font from this X server |
-dispose method |
GIF disposal method |
-dither |
apply Floyd/Steinberg error diffusion to image |
-draw string |
annotate the image with a graphic primitive |
-endian type |
endianness (MSB or LSB) of the image |
-extract geometry |
extract area from image |
-fill color |
color to use when filling a graphic primitive |
-filter type |
use this filter when resizing an image |
-flip |
flip image in the vertical direction |
-flop |
flop image in the horizontal direction |
-font name |
render text with this font |
-frame geometry |
surround image with an ornamental border |
-gamma value |
level of gamma correction |
-geometry geometry |
perferred size or location of the image |
-gravity type |
horizontal and vertical text placement |
-green-primary point |
chromaticity green primary point |
-help |
print program options |
-interlace type |
type of image interlacing scheme |
-label name |
assign a label to an image |
-limit type value |
pixel cache resource limit |
-log format |
format of debugging information |
-matte |
store matte channel if the image has one |
-mattecolor color |
frame color |
-mode type |
framing style |
-monitor |
monitor progress |
-monochrome |
transform image to black and white |
-page geometry |
size and location of an image canvas (setting) |
-pointsize value |
font point size |
-profile filename |
add, delete, or apply an image profile |
-quality value |
JPEG/MIFF/PNG compression level |
-quiet |
suppress all error or warning messages |
-red-primary point |
chromaticity red primary point |
-repage geometry |
size and location of an image canvas |
-resize geometry |
resize the image |
-rotate degrees |
apply Paeth rotation to the image |
-sampling-factor geometry |
horizontal and vertical sampling factor |
-scenesrange |
image scene range |
-shadow geometry |
simulate an image shadow |
-size geometry |
width and height of image |
-strip |
strip image of all profiles and comments |
-stroke color |
graphic primitive stroke color |
-support factor |
resize support: > 1.0 is blurry, < 1.0 is sharp |
-texture filename |
name of texture to tile onto the image background |
-tile filename |
tile image when filling a graphic primitive |
-transform |
affine transform image |
-transparent color |
make this color transparent within the image |
-treedepth value |
color tree depth |
-trim |
trim image edges |
-type type |
image type |
-verbose |
print detailed information about the image |
-version |
print version information |
-view |
FlashPix viewing transforms |
-virtual-pixel method |
access method for pixels outside the boundaries of the image |
-white-point point |
chromaticity white point |