ImageMagick Changelog

ImageMagick 3.7

All LZW compression has been removed because it is subject to licensing and is not freely distributable. Subsequently, GIF images are now saved as uncompressed.
The Magick Image File Format (MIFF) now uses Zlib compression.
Improved handling of importing X windows (patch provided by buschman@mechanik.uni-duisburg.de).
The default behavior of ImageMagick has changed to write progressive JPEG and interlaced GIF's. (suggested by muquit@warm.semcor.com).
Added gamma correction for PNG and JPEG images. The X resource for the display gamma is displayGamma.
ImageMagick can now read EPS files with a negative bounding box (thanks to takafumi@csesun01.u-aizu.ac.jp and kameyama@u-aizu.ac.jp).
You can now specify an annotation bounding box color.
Added an ellipse, filled ellipse, polygon, and filled polygon as a drawing primitive in display(1).
Draw graphic primitives (rectangle, circle, or polygon) on an image with -draw (see convert(1) and mogrify(1)).
Added a delta value to the Color and Matte edit function of display(1) (suggested by pederl@hpubgon.norway.hp.com).
You no longer need '-' when using display(1) as a pipe, e.g. ppmtogif image.ppm |display (suggested by pederl@hpubgon.norway.hp.com).
A fixed density of 85 was changed to that of the X server (thanks to Francois.Dagorn@univ-rennes1.fr).
Added a complete set of function prototypes.
Fixed any memory problems identifed by Insure++ from Parasoft.
Montage(1) did not always position the tile labels correctly (thanks to koreth@hyperion.com).
Mogrify(1) writes to a temporary file first before overwriting the original image to help prevent corrupt files (suggested by elfchief@lupine.org).
You can easily add your own custom logo to ImageMagick. Contact cristy@dupont.com for details.

ImageMagick 3.6.6

Added image format UYVY (code provided by ehg@research.att.com).
Added -texture to display(1), convert(1), and mogrify(1) to layer a texture on the background of certain image types (e.g. TEXT).
Panning window geometry is now initialized properly (thanks to joe@resptk.bhp.com.au).
Fixed -geometry bug introduced in 3.6.6 (thanks to simon@lia.di.epfl.ch).
Added 'Show Histogram' command to display(1).
Image annotation no longer requires a X server for its fonts (suggested by muquit@warm.semcor.com).
Added HTML as a recognized image type.
Fixed a OS/2 BMP bug (patch provided by dws@ssec.wisc.edu).
Added "Browse Documentation" to display(1) (suggested by pederl@hpubgon.norway.hp.com).
Use \n to produce multi-line labels within montage(1).
Added < and > to the geometry specification. See convert(1) for details.

ImageMagick 3.6.[45]

Fixed a couple of problems with 16-bit mode (thanks to beale@jumpjibe.stanford.edu).
Added -raise to lighten/darken image edges to create a 3-D effect (suggested by pederl@hpubgon.norway.hp.com).
Fixed all memory access problems identified by a memory debugger.
Access a range of frames from an MPEG files (e.g. video.mpg[50-75]) (suggested by fluegel@berlin.ZN.ruhr-uni-bochum.de).
Added an offset option on -size for skipping over header information in a raw image file (e.g. GRAY, RGB, etc.).
ImageMagick can now be compiled in 16-bit mode for the direct viewing and manipulation of 16-bit images (PNG, VIFF, TIFF, etc.)
ImageMagick can now read and write JBIG image files.
ImageMagick has less of a dependancy on the X server being present to work properly. For example, you can now annotate an image without an X server.
The PNG library interface has been upgraded from V0.6 to V0.7.

ImageMagick 3.6.3

Thanks to pederl@hpubgon.norway.hp.com for helping beta test 3.6.3. And thanks to muquit@warm.semcor.com for writing the ImageMagick HTML home page.

PICT images with odd row sizes were corrupt (thanks to mooooore@rand.org).
Added -opaque to display(1), convert(1), and mogrify(1) to change the color of an opaque pixel.
Postscript level 2 is now encoded with Ascii 85-base encoding.
Color widget now returns the color name when Grab is activated (suggested by pederl@hpubgon.norway.hp.com).
ImageMagick had a file descriptor leak (thanks to jlg@cadence.com).
Added a Short Cuts menu in display(1) via button 3.
ImageMagick can now read and write PNG image files.
Changed the Command Widget to place the cascading menu to the right side of the widget (suggested by pederl@hpubgon.norway.hp.com).
Added -frame to ImageMagick utilities to surround an image with an ornamental border (suggested by pederl@hpubgon.norway.hp.com).
In display(1), the image window did not always refresh itself properly when cropping and the panning window was mapped (thanks to pederl@hpubgon.norway.hp.com).
The -transparent option no longer needs an X server to work properly (suggested by daniel@ug.eds.com).
ImageMagick can now read TILE images. That is, you specify a texture and it will tile it on the background of the image (e.g. display -size 640x480 tile:texture.jpg).
ImageMagick now supports TIFF library version 3.4.
You can skip ahead several images in display(1) by preceeding the 'n' command with a number (e.g. 4n).
ImageMagick can now read and write PDF image files. GS3.33 has a bug so only the last page of a PDF image file is written. The next public release of Ghostscript will have this bug fixed.

ImageMagick 3.6.2

24-bit grayscale TARGA images did not display correctly (thanks to linde@iai.kfk.de).
In display(1), Select sometimes failed, Write changed to Save, Iris format is changed to SGI, etc. (thanks to quinlan@terminus.storm.net).
Option -crop 0x0 sometimes failed (thanks to zdv131@zam212.zam.kfa-juelich.de).
An interlaced GIF remains interlaced when using mogrify(1) (suggested by elfchief@lupine.org).
Montage(1) sometimes seg faulted with the +display option (thanks to rjacot@cedar.cic.net.
Added a Background option to display(1) to display an image on the background of an X window, include the X server root.
The matte operation in display(1) does not always work on an SGI Indigo I or II. This is a hardware bug and SGI claims its unfixable.
Fill rectangles whose size matched the image size caused a segmentation fault in display(1) (thanks to Ray Bigonesse).
Previously accessed a dereferenced pointer in ReadXImage of decode.c (thanks to takafumi@u-aizu.ac.jp).
Reduced the memory requirements of many of the image encoders.
Enhanced many of the image decoders to runlength encode the pixels (e.g. FAX, PNM, PCX, TIFF, etc.). In some cases this can reduce the memory requirements by 10x (suggested by ghost@aladdin.com).
Implemented hooks for the Portable Network Graphics image format. Will add the read/write code when the reference implementation is available.

ImageMagick 3.6.1

Added Image Edit->Composite->Blend to display(1).
Labels did not reflect the correct columns and rows for JPEG images (thanks to linde@iai.kfk.de).
Images are now compressed internally to reduce the memory requirements of the ImageMagick utilities.
The TIFF resolution tags were not always generated properly (thanks to SBROGDEN@derwent.co.uk).
XPM V 3.4E was added to the VMS library (thanks to pmoreau@cena.dgac.fr).
Display(1) now has a user preferences widget (suggested by pederl@hpubgon.norway.hp.com).
Under certain circumstances, display(1) would uniconify the image window without being instructed to (thanks to seb@lns62.lns.cornell.edu).
ImageMagick silently ignores file directories (suggested by pederl@hpubgon.norway.hp.com).
ImageMagick can now read and write HDF image files.
Added a Background option to display(1) to display an image on the root window (suggested by muquit@warm.semcor.com).

ImageMagick 3.6

Thanks to muquit@warm.semcor.com for helping beta test 3.6.

Added -emboss and -paint to convert(1) and mogrify(1) (suggested by sanaya@vrl.com).
ImageMagick now looks for application defaults in /usr/lib/X11/app-defaults/Display for display(1) X resources (suggested by pederl@hpubgon.norway.hp.com).
Display(1) failed to disable the shared memory transport when displaying on a remote X server (thanks to davy@ecn.purdue.edu).
Fixed seg-fault when drawing with display(1) on a scaled image (thanks to muquit@warm.semcor.com).
Added rudimentry text rotation to image annotation of display(1).
Added an -transparency option to several ImageMagick utilities (suggested by rkl@csc.liv.ac.uk).
Added Cut, Copy, and Paste functions to display(1).
You can now annotate an image from the command line (e.g. convert -annotate "my text" image.jpg annotated.jpg).
Writing TARGA sometimes failed under VMS (thanks to pmoreau@cena.dgac.fr).
Added a Draw command to display(1) for adding lines to an image.
Writing XPM previously failed on SGI because of a bug in the XPM library.
Mogrify(1) has a new option -format. To convert all the TIFF files in a particular directory to JPEG, use
mogrify -format jpeg *.tiff
(suggested by pederl@hpubgon.norway.hp.com).
Added a new command, Region of Interest. You can apply image processing techniques to a region of the image you select (suggested by pederl@hpubgon.norway.hp.com).
Added a Command widget to display(1) and animate(1).

ImageMagick 3.5

Writing TIFF images to stdout not longer creates a file on disk titled "-" (thanks to varady@dunsel.erenj.com).
Sharpen and Blur now includes a weighting factor (suggested by pederl@hpubgon.norway.hp.com).
Grayscale postscript is now optimized for fast rendering (suggested by kuhlmav@elec.canterbury.ac.nz).
The -crop option can now be relative to the image size, for example -crop 10% (suggested by kuhlmav@elec.canterbury.ac.nz).
The -page option can now have a media or a page geometry, for example A4 or 595x842+36+36 (suggested by kuhlmav@elec.canterbury.ac.nz).
ImageMagick now writes GIF87 unless the transparent extension is required (suggested by byron@austin.ibm.com).
Display(1) and xtp(1) have been modified to accept a World Wide Web (WWW) uniform resource locator (URL).
Added color image segmentation to the display(1) command menu.
An internal buffer was not being freed when decoding XPM images (thanks to muquit@warm.semcor.com).
The transparent pixel color is now preserved within GIF images (suggested by pederl@norway.hp.com).
ImageMagick histogram images now produce a color plot of the image values (thanks to muquit@warm.semcor.com).
Certain FITS images failed to convert properly (thanks to ouyang@iras2.iras.ucalgary.ca).
You can now create interlaced GIF images with the `-interlace line' option.
Xtp(1) now works under IRIX 5.2.
The screen grab function in display(1) has been moved to the FileBrowser widget activated with the Load command (suggested by pederl@norway.hp.com).
ImageMagick now supports the 12-bit JPEG and PNM images.

ImageMagick 3.4

Thanks to pmoreau@ada.cenaath.cena.dgac.fr for helping with the VMS port and for supplying the JPEG, MPEG, TIFF and XPM VMS libraries.

Sometimes -geometry 200% produced a segmentation fault (thanks to davidh@Harston.CV.COM).
Added -blend option to combine(1) (suggested by rjohnson@shell.com).
The -colorspace gray option no longer overrides the -colors option (thanks to rjohnson@shell.com).
You can now use wildcards under VMS (suggested by Mark.Berryman@Mvb.Saic.Com).
To make UNIX and VMS compatible you must now proceed wildcards with the prefix vid: to produce a Visual Image directory (e.g. vid:*.jpg).
The File Browser now expands '~' to the home directory (suggested by pederl@norway.hp.com).
If the target window of import(1) has the WM_COLORMAP_WINDOWS property set or if XListInstalledColormaps returns a value greater than one, the image is obtained by descending the window hierarchy and reading each subwindow and its colormap. This is time consuming and is not always necessary. Now import +descend will circumvent this behavior (suggested by charles@mvel.demon.co.uk).
Some 1-bit TIFF images no longer cause a core dump (patch provided by erich@eye.com).
Xtp(1) failed when contacting AIX hosts (thanks to weichelt@ms.DeTeMobil.de).
ImageMagick can now read non-conforming Kodak DCS-420 TIFF images files (thanks to muquit@warm.semcor.com).
Import(1) will now search for window manager frame when using the -window option (suggested by miwaldor@si.bosch.de).
Updated VMS HLP files (provided by pmoreau@ada.cenaath.cena.dgac.fr).
Print now works in display(1) under VMS (thanks to effad@comet.cmis.abbott.com).
Added better support for ImageMagick under VMS (patches provided by pmoreau@cena.dgac.fr).
Identify(1) requires a maximim of two arguments, not one (thanks to pbelding@qualcomm.com).
TIFF can now be read on Dec Alpha's (thanks to Klaus.Moeller@arbi.informatik.uni-oldenburg.de).
mogrify -map icon_colors.ppm -colors 15 no longer fails (thanks to cowan@chdasic.sps.mot.com).
XTP now works properly on AIX (thanks to d.bartel@kfa-juelich.de).

ImageMagick 3.3

Added -h to identify(1) (suggested by d.bartel@kfa-juelich.de).
Original filenames are retained for compressed images (patch provided by rhutchin@indy.net).
Montage(1) no longer fails when the number of images exactly matches the tile parameter (5x4 = 20 images) (patch provided by rhutchin@indy.net).
RLE colormaps of length < 256 were not read correctly (patch provided by rhutchin@indy.net).
ImageMagick can now read Photo CD overview files.
Added 'Grab...' to the command menu in display(1) to conveniently grab an image from the X screen (thanks to pederl@norway.hp.com).
Fixed Make.com for the VMS distribution (thanks to couper@metdp2.met.co.nz).
Added a new program identify(1) to the ImageMagick suite. Identify(1) describe the format and characteristics of one or more images.
DIRENT_DEFINES= -DDIRENT=0 has been corrected to DIRENT_DEFINES= -DNoDIRENT in Magick.tmpl (thanks to norby@server.Berkeley.edu).
ImageMagick now recognizes XPM files that do not end with .xpm (thanks to pederl@norway.hp.com).
FITS images were being scaled wrong (patch provided by rhutchin@indy.net).
PGM were not being scaled if maxval != 255 (patch provided by rhutchin@indy.net).
The "magic" number was not always being respected with display(1) (thanks to kobus@cs.sfu.ca).
There is no longer a compiler error due to MPEG and JPEG TRUE and FALSE definitions (thanks to s.juang@att.com).
Some XBM failed to decode properly (thanks to muquit@warm.semcor.com).
Some Postscript images were being converted improperly (thanks to li@infrared.njit.edu).
Grayscale PPM images are no longer demoted to PGM (suggested by kopp@bismarck.gatech.edu);
Added version information to -help option (suggested by Bertrand.Decouty@irisa.fr).
4-bit colormapped TIFF images are now read properly (thanks to pederl@norway.hp.com).
Added shared pixmaps to display(1) and animate(1) (patch provided by rhutchin@indy.net).
Added vertical rotation operator in display(1) (suggested by koreth@hyperion.com).

ImageMagick 3.2

Thanks to pederl@norway.hp.com for Beta testing 3.2 and offering numerous suggestions and bug fixes.

XWD files no longer cause a segmentation fault (thanks to rhutchin@indy.net).
Display(1) was leaving the shared memory segments after exiting (patch provided by rhutchin@indy.net).
Grayscale RLE images weren't being read correctly (patch provided by rhutchin@indy.net).
PNM images of type P2 caused a segmentation fault if the maximum value was not 255 (thanks to muquit@warm.semcor.com).
AIX was unhappy with a XrmDestroyDatabase call in X.c (thanks to schlecht@toons.cc.ndsu.NoDak.edu).
Integral zooming of an image resulted in incorrect pixels in the first two positions of a scanline (thanks to schlecht@toons.cc.ndsu.NoDak.edu).
Added support for HP Color Recovery (thanks to pederl@norway.hp.com and kaczowka@apollo.hp.com).
Added a reader for MPEG images.
Added a new image type, Visual Image Directory (VID). See Magick.faq for details.
The geometry option did not work with combine(1) (thanks to april@ils.nwu.edu).
The -colormap option now works properly in mogrify(1) (thanks to rjohnson@shell.com).
Displaying an image on the root window no longer dumps core (thanks to henrik@picard.tamu.edu).
The text widget now uses a monospaced font (suggested by pederl@norway.hp.com).
Use -size to specify the width and height of raw image formats (suggested by schneid@mikro.ee.tu-berlin.de).
XBM files now decode properly (thanks to muquit@warm.semcor.com).
Postscript decoding of EPS sometimes failed (suggested by fluegel@neuroinformatik.ruhr-uni-bochum.de).
The last few pixels of a monochrome TIFF image are no longer inverted (thanks to luegel@neuroinformatik.ruhr-uni-bochum.de).
Reducing an image no longer introduces a black one pixel border (suggested by schlecht@toons.cc.ndsu.NoDak.edu).
Added oil painting effect to display(1) (algorithm provided by muquit@warm.semcor.com).
Despeckle occasionally gave odd-looking results (patch provided by crd@hplb.hpl.hp.com).
Cut menu was incorrectly offset by 1 in display(1) (patch provided by crd@hplb.hpl.hp.com).
You can now toggle the colormap type (Shared or Private) within display(1) (suggested by muquit@warm.semcor.com).
Matte editing now uses a flood-fill algorithm (suggested by pederl@norway.hp.com).
Display(1) now supports the X Shape Extension and Shared Memory Extension.
IM can now brighten, darken, sharpen, dull, or saturate an image (suggested by pederl@norway.hp.com).

ImageMagick 3.1

Thanks to pederl@norway.hp.com, rjohnson@shell.com, and muquit@warm.semcor.com for Beta testing 3.1 and offering numerous suggestions and bug fixes.

The aspect ratio was incorrectly honored when writing an image within display(1) (thanks to fergusja@dupont.com).
You can now withdraw the magnify and panning windows by typing 'q' within the respective window (suggested by henrik@PICARD.TAMU.EDU).
IM now correctly recognizes '\n' in the -comment option (thanks to pritchet@usceast.cs.scarolina.edu).
IM produces correct JPEG grayscale images now (thanks to Steve Singles).
Misplaced '=' for NAXIS keyword when writing FITS images (discovered by allen@prufrock.gsfc.nasa.gov).
Magnify menu now works properly within display(1) (thanks to muquit@warm.semcor.com).
ImageMagick now accepts TIFF images on stdin, stdout, and pipes (suggested by pederl@norway.hp.com)
Can't use ftell on a pipe (thanks to haalboom@prl.philips.nl).
Added Quicken command to display(1) to display the next image after pausing (suggested by pederl@norway.hp.com).
When writing Postscript, the image is scaled only when it exceeds the page geometry (suggested by to muquit@warm.semcor.com).
Image formats that force color reduction now respect the value of the *dither* option (suggested by rjohnson@shell.com).
Two color grayscale images are no longer forced to black and white unless the the *monochrome* option is specified (suggested by rjohnson@shell.com).
ImageMagick now uses V5 Alpha of the Independent JPEG Group's library.
The speed of writing several image formats has been improved (suggested by pederl@norway.hp.com).
Added Emboss to the display(1) menu (thanks to muquit@warm.semcor.com).
Display(1) now puts image read/write errors in a Notice widget.
Add image filename to JPEG error messages (suggested by cheung@remulak.ds.dupont.com).
Double click in the Text widget to copy and paste text (suggested by pederl@norway.hp.com).

ImageMagick 3.0

Postscript written by ImageMagick no longer leaves an operator on the stack (thanks to doug@cc.gatech.edu).
BMP images are now written correctly (thanks to rjohnson@shell.com).
XWD files no longer cause a segmentation fault (thanks to muquit@warm.semcor.com).
Colors no longer need to be exact when color editting an image with display(1) (suggested by rjohnson@shell.com).
ImageMagick now reads the new TARGA image format (suggested by justin@engr.uky.edu).
Dithering caused segmentation fault on the DEC ALPHA (discovered by blake@davros.portable.com).
display(1) now recognizes the fontList resource (thanks to Steve Singles).
ImageMagick supports the mask image for XPM images (suggested by pederl@norway.hp.com).
ImageMagick now reads 16 bit TARGA images correctly (thanks to muquit@warm.semcor.com).
Encapsulated Postscript files without a *showpage* operator now displays/converts properly.
Added 'Cut' to the display(1) command menu (suggested by pederl@norway.hp.com).
Added an histogram equalization option to ImageMagick (thanks to muquit@warm.semcor.com).
Unknown image types are displayed as text within a viewer in display(1).
Added 'Matte Edit', 'Help', 'Trim Edges', and 'Color Edit' to the command menu in display(1).
Fixed the *client_name* "multiply defined" warnings on SGI (suggested by Dave@support.esd.sgi.com).
Split display(1) image commands into two menus activated with button 1 and 2.
Added 'Edit Comment' to the display(1) command menu (suggested by pederl@norway.hp.com).
Use format type EPSI to produce a Postscript file with preview bitmap.
Improved the appearance of the widgets.
Press F1 to get help within display(1) (suggested by pederl@norway.hp.com).
display(1) now has a crop image command. You can define a region to crop with button 1 and use the arrow keys to adjust (suggested by pederl@norway.hp.com).
Use -label to display a header above the Postscript image (suggested by miller@netsun.mdc.com).
Added font browser, pen color dialog, and text paste to annotation mode in display(1) (suggested by pederl@norway.hp.com).

cristy@dupont.com