1 .TH convert 1 "Date: 2009/01/10 01:00:00" "ImageMagick"
3 convert \- convert between image formats as well as resize an image, blur, crop, despeckle, dither, draw on, flip, join, re-sample, and much more.
6 \fBconvert\fP [\fIinput-options\fP] \fIinput-file\fP [\fIoutput-options\fP] \fIoutput-file\fP
8 The \fBconvert\fP program is a member of the ImageMagick(1) suite of tools. Use it to convert between image formats as well as resize an image, blur, crop, despeckle, dither, draw on, flip, join, re-sample, and much more.
10 For more information about the convert command, point your browser to file:///usr/local/share/doc/ImageMagick//www/convert.html or http://www.imagemagick.org/script/convert.php.
13 \-adjoin join images into a single multi-image file
14 \-affine matrix affine transform matrix
15 \-antialias remove pixel-aliasing
16 \-authenticate value decrypt image with this password
17 \-background color background color
18 \-bias value add bias when convolving an image
19 \-black-point-compensation
20 use black point compensation
21 \-blue-primary point chromaticity blue primary point
22 \-bordercolor color border color
23 \-caption string assign a caption to an image
24 \-cdl filename color correct with a color decision list
25 \-channel type apply option to select image channels
26 \-colors value preferred number of colors in the image
27 \-colorspace type alternate image colorspace
28 \-comment string annotate image with comment
29 \-compose operator set image composite operator
30 \-compress type type of pixel compression when writing the image
31 \-decipher filename convert cipher pixels to plain pixels
32 \-define format:option
33 define one or more image format options
34 \-delay value display the next image after pausing
35 \-density geometry horizontal and vertical density of the image
36 \-depth value image depth
37 \-direction type render text right-to-left or left-to-right
38 \-display server get image or font from this X server
39 \-dispose method layer disposal method
40 \-dither method apply error diffusion to image
41 \-encipher filename convert plain pixels to cipher pixels
42 \-encoding type text encoding type
43 \-endian type endianness (MSB or LSB) of the image
44 \-family name render text with this font family
45 \-fill color color to use when filling a graphic primitive
46 \-filter type use this filter when resizing an image
47 \-flatten flatten a sequence of images
48 \-font name render text with this font
49 \-format "string" output formatted image characteristics
50 \-fuzz distance colors within this distance are considered equal
51 \-gravity type horizontal and vertical text placement
52 \-green-primary point chromaticity green primary point
53 \-intent type type of rendering intent when managing the image color
54 \-interlace type type of image interlacing scheme
55 \-interpolate method pixel color interpolation method
56 \-kerning value set the space between two letters
57 \-label string assign a label to an image
58 \-limit type value pixel cache resource limit
59 \-loop iterations add Netscape loop extension to your GIF animation
60 \-mask filename associate a mask with the image
61 \-matte store matte channel if the image has one
62 \-mattecolor color frame color
63 \-monitor monitor progress
64 \-orient type image orientation
65 \-origin geometry image origin
66 \-page geometry size and location of an image canvas (setting)
67 \-ping efficiently determine image attributes
68 \-pointsize value font point size
69 \-preview type image preview type
70 \-quality value JPEG/MIFF/PNG compression level
71 \-quiet suppress all warning messages
72 \-red-primary point chromaticity red primary point
73 \-regard-warnings pay attention to warning messages
74 \-sampling-factor geometry
75 horizontal and vertical sampling factor
76 \-scene value image scene number
77 \-seed value seed a new sequence of pseudo-random numbers
78 \-size geometry width and height of image
79 \-statistic type geometry
80 replace each pixel with corresponding statistic from the neighborhood
81 \-stretch type render text with this font stretch
82 \-stroke color graphic primitive stroke color
83 \-strokewidth value graphic primitive stroke width
84 \-style type render text with this font style
85 \-support factor resize support: > 1.0 is blurry, < 1.0 is sharp
86 \-synchronize synchronize image to storage device
87 \-taint declare the image as modified
88 \-texture filename name of texture to tile onto the image background
89 \-tile-offset geometry
91 \-treedepth value color tree depth
92 \-transparent-color color
94 \-undercolor color annotation bounding box color
95 \-units type the units of image resolution
96 \-verbose print detailed information about the image
97 \-view FlashPix viewing transforms
98 \-virtual-pixel method
99 virtual pixel access method
100 \-weight type render text with this font weight
101 \-white-point point chromaticity white point
104 \-adaptive-blur geometry
105 adaptively blur pixels; decrease effect near edges
106 \-adaptive-resize geometry
107 adaptively resize image with data dependent triangulation
108 \-adaptive-sharpen geometry
109 adaptively sharpen pixels; increase effect near edges
110 \-annotate geometry text
111 annotate the image with text
112 \-auto-orient automatically orient image
113 \-black-threshold value
114 force all pixels below the threshold into black
115 \-blur geometry reduce image noise and reduce detail levels
116 \-border geometry surround image with a border of color
117 \-charcoal radius simulate a charcoal drawing
118 \-chop geometry remove pixels from the image interior
119 \-clip clip along the first path from the 8BIM profile
120 \-clip-mask filename associate a clip mask with the image
121 \-clip-path id clip along a named path from the 8BIM profile
122 \-colorize value colorize the image with the fill color
123 \-color-matrix matrix apply color correction to the image
124 \-contrast enhance or reduce the image contrast
125 \-contrast-stretch geometry
126 improve contrast by `stretching' the intensity range
127 \-convolve coefficients
128 apply a convolution kernel to the image
129 \-cycle amount cycle the image colormap
130 \-despeckle reduce the speckles within an image
131 \-draw string annotate the image with a graphic primitive
132 \-edge radius apply a filter to detect edges in the image
133 \-emboss radius emboss an image
134 \-enhance apply a digital filter to enhance a noisy image
135 \-equalize perform histogram equalization to an image
136 \-evaluate operator value
137 evaluate an arithmetic, relational, or logical expression
138 \-extent geometry set the image size
139 \-extract geometry extract area from image
140 \-fft implements the discrete Fourier transform (DFT)
141 \-flip flip image vertically
142 \-floodfill geometry color
143 floodfill the image with color
144 \-flop flop image horizontally
145 \-frame geometry surround image with an ornamental border
146 \-function name apply a function to the image
147 \-gamma value level of gamma correction
148 \-gaussian-blur geometry
149 reduce image noise and reduce detail levels
150 \-geometry geometry preferred size or location of the image
151 \-identify identify the format and characteristics of the image
152 \-ift implements the inverse discrete Fourier transform (DFT)
153 \-implode amount implode image pixels about the center
154 \-lat geometry local adaptive thresholding
155 \-layers method optimize or compare image layers
156 \-level value adjust the level of image contrast
157 \-linear-stretch geometry
158 improve contrast by `stretching with saturation' the intensity range
159 \-median geometry apply a median filter to the image
160 \-mode geometry make each pixel the 'predominant color' of the neighborhood
161 \-modulate value vary the brightness, saturation, and hue
162 \-monochrome transform image to black and white
163 \-morphology method kernel
164 apply a morphology method to the image
165 \-motion-blur geometry
167 \-negate replace each pixel with its complementary color
168 \-noise geometry add or reduce noise in an image
169 \-normalize transform image to span the full range of colors
170 \-opaque color change this color to the fill color
172 add a noise pattern to the image with specific amplitudes
173 \-paint radius simulate an oil painting
174 \-polaroid angle simulate a Polaroid picture
175 \-posterize levels reduce the image to a limited number of color levels
176 \-print string interpret string and print to console
177 \-profile filename add, delete, or apply an image profile
178 \-quantize colorspace reduce colors in this colorspace
179 \-radial-blur angle radial blur the image
180 \-raise value lighten/darken image edges to create a 3-D effect
181 \-random-threshold low,high
182 random threshold the image
183 \-region geometry apply options to a portion of the image
184 \-render render vector graphics
185 \-repage geometry size and location of an image canvas
186 \-resample geometry change the resolution of an image
187 \-resize geometry resize the image
188 \-roll geometry roll an image vertically or horizontally
189 \-rotate degrees apply Paeth rotation to the image
190 \-sample geometry scale image with pixel sampling
191 \-scale geometry scale the image
192 \-segment values segment an image
193 \-selective-blur geometry
194 selectively blur pixels within a contrast threshold
195 \-sepia-tone threshold
196 simulate a sepia-toned photo
197 \-set property value set an image property
198 \-shade degrees shade the image using a distant light source
199 \-shadow geometry simulate an image shadow
200 \-sharpen geometry sharpen the image
201 \-shave geometry shave pixels from the image edges
202 \-shear geometry slide one edge of the image along the X or Y axis
203 \-sigmoidal-contrast geometry
204 lightness rescaling using sigmoidal contrast enhancement
205 \-sketch geometry simulate a pencil sketch
206 \-solarize threshold negate all pixels above the threshold level
207 \-splice geometry splice the background color into the image
208 \-spread amount displace image pixels by a random amount
209 \-strip strip image of all profiles and comments
210 \-swirl degrees swirl image pixels about the center
211 \-threshold value threshold the image
212 \-thumbnail geometry create a thumbnail of the image
213 \-tile filename tile image when filling a graphic primitive
214 \-tint value tint the image with the fill color
215 \-transform affine transform image
216 \-transparent color make this color transparent within the image
217 \-transpose flip image vertically and rotate 90 degrees
218 \-transverse flop image horizontally and rotate 270 degrees
219 \-trim trim image edges
220 \-type type image type
221 \-unique-colors discard all but one of any pixel color
222 \-unsharp geometry sharpen the image
223 \-vignette geometry soften the edges of the image in vignette style
224 \-wave geometry alter an image along a sine wave
225 \-white-threshold value
226 force all pixels above the threshold into white
229 Image Channel Operators:
230 \-channel-extract channel-list
231 extract the channels in order
232 \-channel-inject channel-list
233 inject the channels in order
234 \-channel-swap channel,channel
237 Image Sequence Operators:
238 \-affinity filename transform image colors to match this set of colors
239 \-append append an image sequence top to bottom (use +append for left to right)
240 \-clut apply a color lookup table to the image
241 \-coalesce merge a sequence of images
242 \-combine combine a sequence of images
243 \-composite composite image
244 \-crop geometry cut out a rectangular region of the image
245 \-deconstruct break down an image sequence into constituent parts
246 \-evaluate-sequence operator
247 evaluate an arithmetic, relational, or logical expression
248 \-flatten flatten a sequence of images
249 \-fx expression apply mathematical expression to an image channel(s)
250 \-hald-clut apply a Hald color lookup table to the image
251 \-morph value morph an image sequence
252 \-mosaic create a mosaic from an image sequence
253 \-process arguments process the image with a custom image filter
254 \-separate separate an image channel into a grayscale image
255 \-smush geometry smush an image sequence together
256 \-write filename write images to this file
258 Image Stack Operators:
259 \-clone indexes clone an image
260 \-delete indexes delete the image from the image sequence
261 \-duplicate count,indexes
262 duplicate an image one or more times
263 \-insert index insert last image into the image sequence
264 \-swap indexes swap two images in the image sequence
266 Miscellaneous Options:
267 \-debug events display copious debugging information
268 \-help print program options
269 \-log format format of debugging information
270 \-list type print a list of supported option arguments
271 \-version print version information
273 Use any setting or operator as an \fIoutput-option\fP. Only a limited number of setting are \fIinput-option\fP. They include: \-antialias, \-caption, \-density, \-define, \-encoding, \-font, \-pointsize, \-size, and \-texture as well as any of the miscellaneous options.
275 By default, the image format of `file' is determined by its magic number. To specify a particular image format, precede the filename with an image format name and a colon (i.e. ps:image) or specify the image type as the filename suffix (i.e. image.ps). Specify 'file' as '-' for standard input or output.
280 \fBCopyright (C) 1999-2012 ImageMagick Studio LLC. Additional copyrights and licenses apply to this software, see file:///usr/local/share/doc/ImageMagick//www/license.html or http://www.imagemagick.org/script/license.php\fP
projects / imagemagick / blob