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.One of the best and newest graphics tools for Linux is GIMP, the GNU Image ManipulationProgram by Spencer Kimball and Peter Mattis (see Figure 16.1).This is a capable and complex program with many features.If you ve worked with image-editing programs on other operating systems, you ll appreciate the tools and filters includedwith this program.The GIMP features9 program operation menus21 different editing tools109 different plug-in filters and tools to create image effects or perform operationsMultiple image windows, handy for cutting and pasting or multiple views of a file 250 Hour 16Multiple layers for each image, so that effects may be superimposedSix floating windows and dialog boxes for selecting tools, brushes, colors, orpatternsMultiple undo levels, handy if you make mistakes!Import and export of 24 different graphics formatsFigure 16.1The GIMP image editoris an impressive X11client with manyprofessional features,including nearly 100different filters formanipulating graphics.You ll need nearly 23 megabytes of hard drive space to install GIMP, its software libraries,support files, and related directories.The main GIMP files are installed under the /usr/share/gimp/X.XX directory, where X.XX is the current version.A library of GIMP plug-ins islocated under the /usr/lib/gimp/X.XX/plug-ins directory, where X.XX is the current version.Plug-ins are compiled modules, or programs run by GIMP from different menus.This program has 11 different command-line options, but does not support X11 Toolkitoptions such as geometry settings.You can specify a graphic file on the command line.GIMPattempts to load and interpret the file according to the file s extension.Starting GIMP is easy;simply type the following.# gimp &When you first start GIMP, you ll be presented with a large window that provides detailsabout various GIMP resource files.You ll be asked to confirm installation of a directory called.gimp in your home directory.This directory contains seven different files and subdirectoriesthat specify how GIMP works, and lists your preferences for tools, brushes, and plug-ins.1 6 Graphics Tools 251The file gimprc under your.gimp directory contains settings, such as default brushes,patterns, palettes, and temporary directories you can customize.You also can specify the typeof measurement to be used in your rulers, such as pixels, inches, or centimeters, and whetheror not GIMP performs auto-saving of your image files as you work.The version of GIMP installed on your system lacks documentation, butyou should know that if you edit large image files, you may quickly run1 6out of disk space because GIMP creates large temporary files duringCAUTIONediting sessions (this is not unusual, as even commercial image editingapplications typically require swap storage three times larger than systemmemory).If you have a separate hard drive with a lot of room, change theswap-path (not the same as your Linux swap partition!) setting in thegimprc file to point to a directory on that drive.If you re really tight onmemory and hard drive space, you can uncomment the stingy-memory-use option.On the other hand, if you have a lot of system memory,change the tile-cache size to force GIMP to use less swap space (and runfaster).Once GIMP is running, you can tear off different dialog boxes and windows by using thedialog menu item under the GIMP File menu.If you have an active image window, accessthe complete GIMP menu system by pressing your right mouse button while the cursor isover your image.The various menus will cascade, and you can select the file, edit, or othermenu operations by dragging your cursor through the menus.GIMP does not come with a manual page, but you ll find some documentation under the/usr/doc/gimp directory.For the latest news and details about this program, browse to thefollowing site:http://www.gimp.orgYou ll find copies of the latest GIMP and links to GIMP Frequently Asked Questions lists,a GIMP tutorial, and new plug-ins.Graphics Editing with ImageMagickThe ImageMagick package, by John Cristy, is a collection of seven programs you ll findinstalled on your system.Some of these commands require the X Window System, whileothers may be used from the command line [ Pobierz całość w formacie PDF ]
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.One of the best and newest graphics tools for Linux is GIMP, the GNU Image ManipulationProgram by Spencer Kimball and Peter Mattis (see Figure 16.1).This is a capable and complex program with many features.If you ve worked with image-editing programs on other operating systems, you ll appreciate the tools and filters includedwith this program.The GIMP features9 program operation menus21 different editing tools109 different plug-in filters and tools to create image effects or perform operationsMultiple image windows, handy for cutting and pasting or multiple views of a file 250 Hour 16Multiple layers for each image, so that effects may be superimposedSix floating windows and dialog boxes for selecting tools, brushes, colors, orpatternsMultiple undo levels, handy if you make mistakes!Import and export of 24 different graphics formatsFigure 16.1The GIMP image editoris an impressive X11client with manyprofessional features,including nearly 100different filters formanipulating graphics.You ll need nearly 23 megabytes of hard drive space to install GIMP, its software libraries,support files, and related directories.The main GIMP files are installed under the /usr/share/gimp/X.XX directory, where X.XX is the current version.A library of GIMP plug-ins islocated under the /usr/lib/gimp/X.XX/plug-ins directory, where X.XX is the current version.Plug-ins are compiled modules, or programs run by GIMP from different menus.This program has 11 different command-line options, but does not support X11 Toolkitoptions such as geometry settings.You can specify a graphic file on the command line.GIMPattempts to load and interpret the file according to the file s extension.Starting GIMP is easy;simply type the following.# gimp &When you first start GIMP, you ll be presented with a large window that provides detailsabout various GIMP resource files.You ll be asked to confirm installation of a directory called.gimp in your home directory.This directory contains seven different files and subdirectoriesthat specify how GIMP works, and lists your preferences for tools, brushes, and plug-ins.1 6 Graphics Tools 251The file gimprc under your.gimp directory contains settings, such as default brushes,patterns, palettes, and temporary directories you can customize.You also can specify the typeof measurement to be used in your rulers, such as pixels, inches, or centimeters, and whetheror not GIMP performs auto-saving of your image files as you work.The version of GIMP installed on your system lacks documentation, butyou should know that if you edit large image files, you may quickly run1 6out of disk space because GIMP creates large temporary files duringCAUTIONediting sessions (this is not unusual, as even commercial image editingapplications typically require swap storage three times larger than systemmemory).If you have a separate hard drive with a lot of room, change theswap-path (not the same as your Linux swap partition!) setting in thegimprc file to point to a directory on that drive.If you re really tight onmemory and hard drive space, you can uncomment the stingy-memory-use option.On the other hand, if you have a lot of system memory,change the tile-cache size to force GIMP to use less swap space (and runfaster).Once GIMP is running, you can tear off different dialog boxes and windows by using thedialog menu item under the GIMP File menu.If you have an active image window, accessthe complete GIMP menu system by pressing your right mouse button while the cursor isover your image.The various menus will cascade, and you can select the file, edit, or othermenu operations by dragging your cursor through the menus.GIMP does not come with a manual page, but you ll find some documentation under the/usr/doc/gimp directory.For the latest news and details about this program, browse to thefollowing site:http://www.gimp.orgYou ll find copies of the latest GIMP and links to GIMP Frequently Asked Questions lists,a GIMP tutorial, and new plug-ins.Graphics Editing with ImageMagickThe ImageMagick package, by John Cristy, is a collection of seven programs you ll findinstalled on your system.Some of these commands require the X Window System, whileothers may be used from the command line [ Pobierz całość w formacie PDF ]