On Sun, 2013-11-10 at 01:40 +0100, Reindl Harald wrote: > > Am 10.11.2013 01:35, schrieb Les Howell: > > On Sat, 2013-11-09 at 22:47 +0100, Michael Schwendt wrote: > >> On Thu, 7 Nov 2013 12:28:46 -0500 (EST), Christian Schaller wrote: > >> > >>> Hi, > >>> The core principle of the installer is that it operates on an application level and not a package level. The current way it determines if something is an application > >>> is by looking for a .desktop file. So in theory you could put a bitchx.desktop file into the bitchx package and it would appear in the installer. That said I don't > >>> think it is generally a bad idea if command line/terminal applications are installed from the command line, but there is no hard policy blocking such applications from making themselves available in the installer. > >>> > >> > >> Please don't let it install applications, which cannot be started via the > >> graphical desktop user interface (such as a menu system or a list of > >> installed Applications). Users, who install software with the help of a > >> graphical program, expect that afterwards they can find and launch the > >> installed software via the graphical desktop user interface. Alternatively, > >> the installer ought to offer launching something as the next step. > >> > >> If the installed software is only available at the command-line, there > >> ought to be a big fat warning about that. Or a special category, or a > >> hurdle to take, before a CLI program could be installed. It's similar with > >> clicking ".rpm" packages on a web page. Installing them has become easy > >> enough, but especially newbies are confused a lot, if the installation is > >> successful but there seems to be no way to start the installed stuff. > >> It's no helpful marketing, if in forums they get told that what they have > >> installed is command-line only and doesn't show up in the desktop GUI > >> anywhere. The installed thing ought to be "reachable" via the GUI, so > >> e.g. for a service/daemon, there ought to be a way to locate that thing > >> without having to use a terminal. > >> > > > > I have kind of been following this, but a command line program can be > > launched using a launcher icon > > really? > > most shell commands are useless without params > ffmpeg, convert, rsync........ > > > [harry@srv-rhsoft:~]$ convert > Version: ImageMagick 6.7.8-9 2013-03-10 Q16 http://www.imagemagick.org > Copyright: Copyright (C) 1999-2012 ImageMagick Studio LLC > Features: OpenMP > > Usage: convert [options ...] file [ [options ...] file ...] [options ...] file > > Image Settings: > -adjoin join images into a single multi-image file > -affine matrix affine transform matrix > -alpha option activate, deactivate, reset, or set the alpha channel > -antialias remove pixel-aliasing > -authenticate password > decipher image with this password > -attenuate value lessen (or intensify) when adding noise to an image > -background color background color > -bias value add bias when convolving an image > -black-point-compensation > use black point compensation > -blue-primary point chromaticity blue primary point > -bordercolor color border color > -caption string assign a caption to an image > -channel type apply option to select image channels > -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 type of pixel compression when writing the image > -define format:option > define one or more image format options > -delay value display the next image after pausing > -density geometry horizontal and vertical density of the image > -depth value image depth > -direction type render text right-to-left or left-to-right > -display server get image or font from this X server > -dispose method layer disposal method > -dither method apply error diffusion to image > -encoding type text encoding type > -endian type endianness (MSB or LSB) of the image > -family name render text with this font family > -fill color color to use when filling a graphic primitive > > -filter type use this filter when resizing an image > > -font name render text with this font > > -format "string" output formatted image characteristics > > -fuzz distance colors within this distance are considered equal > > -gravity type horizontal and vertical text placement > > -green-primary point chromaticity green primary point > > -intent type type of rendering intent when managing the image color > > -interlace type type of image interlacing scheme > > -interline-spacing value > > set the space between two text lines > > -interpolate method pixel color interpolation method > > -interword-spacing value > > set the space between two words > > -kerning value set the space between two letters > -label string assign a label to an image > -limit type value pixel cache resource limit > -loop iterations add Netscape loop extension to your GIF animation > -mask filename associate a mask with the image > -mattecolor color frame color > -monitor monitor progress > -orient type image orientation > -page geometry size and location of an image canvas (setting) > -ping efficiently determine image attributes > -pointsize value font point size > -precision value maximum number of significant digits to print > -preview type image preview type > -quality value JPEG/MIFF/PNG compression level > -quiet suppress all warning messages > -red-primary point chromaticity red primary point > -regard-warnings pay attention to warning messages > -remap filename transform image colors to match this set of colors > -respect-parentheses settings remain in effect until parenthesis boundary > -sampling-factor geometry > horizontal and vertical sampling factor > -scene value image scene number > -seed value seed a new sequence of pseudo-random numbers > -size geometry width and height of image > -stretch type render text with this font stretch > -stroke color graphic primitive stroke color > -strokewidth value graphic primitive stroke width > -style type render text with this font style > -synchronize synchronize image to storage device > -taint declare the image as modified > -texture filename name of texture to tile onto the image background > -tile-offset geometry > tile offset > -treedepth value color tree depth > -transparent-color color > transparent color > -undercolor color annotation bounding box color > -units type the units of image resolution > -verbose print detailed information about the image > -view FlashPix viewing transforms > -virtual-pixel method > virtual pixel access method > -weight type render text with this font weight > -white-point point chromaticity white point > > Image Operators: > -adaptive-blur geometry > adaptively blur pixels; decrease effect near edges > -adaptive-resize geometry > adaptively resize image using 'mesh' interpolation > -adaptive-sharpen geometry > adaptively sharpen pixels; increase effect near edges > -alpha option on, activate, off, deactivate, set, opaque, copy > transparent, extract, background, or shape > -annotate geometry text > annotate the image with text > -auto-gamma automagically adjust gamma level of image > -auto-level automagically adjust color levels of image > -auto-orient automagically orient (rotate) image > -bench iterations measure performance > -black-threshold value > force all pixels below the threshold into black > -blue-shift factor simulate a scene at nighttime in the moonlight > -blur geometry reduce image noise and reduce detail levels > -border geometry surround image with a border of color > -bordercolor color border color > -brightness-contrast geometry > improve brightness / contrast of the image > -cdl filename color correct with a color decision list > -charcoal radius simulate a charcoal drawing > -chop geometry remove pixels from the image interior > -clamp restrict pixel range from 0 to the quantum depth > -clip clip along the first path from the 8BIM profile > -clip-mask filename associate a clip mask with the image > -clip-path id clip along a named path from the 8BIM profile > -colorize value colorize the image with the fill color > -color-matrix matrix apply color correction to the image > -contrast enhance or reduce the image contrast > -contrast-stretch geometry > improve contrast by `stretching' the intensity range > -convolve coefficients > apply a convolution kernel to the image > -cycle amount cycle the image colormap > -decipher filename convert cipher pixels to plain pixels > -deskew threshold straighten an image > -despeckle reduce the speckles within an image > -distort method args > distort images according to given method ad args > -draw string annotate the image with a graphic primitive > -edge radius apply a filter to detect edges in the image > -encipher filename convert plain pixels to cipher pixels > -emboss radius emboss an image > -enhance apply a digital filter to enhance a noisy image > -equalize perform histogram equalization to an image > -evaluate operator value > evaluate an arithmetic, relational, or logical expression > -extent geometry set the image size > -extract geometry extract area from image > -features distance analyze image features (e.g. contrast, correlation) > -fft implements the discrete Fourier transform (DFT) > -flip flip image vertically > -floodfill geometry color > floodfill the image with color > -flop flop image horizontally > -frame geometry surround image with an ornamental border > -function name parameters > apply function over image values > -gamma value level of gamma correction > -gaussian-blur geometry > reduce image noise and reduce detail levels > -geometry geometry preferred size or location of the image > -identify identify the format and characteristics of the image > -ift implements the inverse discrete Fourier transform (DFT) > -implode amount implode image pixels about the center > -interpolative-resize geometry > resize image using 'point sampled' interpolation > -lat geometry local adaptive thresholding > -layers method optimize, merge, or compare image layers > -level value adjust the level of image contrast > -level-colors color,color > level image with the given colors > -linear-stretch geometry > improve contrast by `stretching with saturation' > -liquid-rescale geometry > rescale image with seam-carving > -median geometry apply a median filter to the image > -mode geometry make each pixel the 'predominant color' of the neighborhood > -modulate value vary the brightness, saturation, and hue > -monochrome transform image to black and white > -morphology method kernel > apply a morphology method to the image > -motion-blur geometry > simulate motion blur > -negate replace every pixel with its complementary color > -noise geometry add or reduce noise in an image > -normalize transform image to span the full range of colors > -opaque color change this color to the fill color > -ordered-dither NxN > add a noise pattern to the image with specific > amplitudes > -paint radius simulate an oil painting > -polaroid angle simulate a Polaroid picture > -posterize levels reduce the image to a limited number of color levels > -profile filename add, delete, or apply an image profile > -quantize colorspace reduce colors in this colorspace > -radial-blur angle radial blur the image > -raise value lighten/darken image edges to create a 3-D effect > -random-threshold low,high > random threshold the image > -region geometry apply options to a portion of the image > -render render vector graphics > -repage geometry size and location of an image canvas > -resample geometry change the resolution of an image > -resize geometry resize the image > -roll geometry roll an image vertically or horizontally > -rotate degrees apply Paeth rotation to the image > -sample geometry scale image with pixel sampling > -scale geometry scale the image > -segment values segment an image > -selective-blur geometry > selectively blur pixels within a contrast threshold > -sepia-tone threshold > simulate a sepia-toned photo > -set property value set an image property > -shade degrees shade the image using a distant light source > -shadow geometry simulate an image shadow > -sharpen geometry sharpen the image > -shave geometry shave pixels from the image edges > -shear geometry slide one edge of the image along the X or Y axis > -sigmoidal-contrast geometry > increase the contrast without saturating highlights or shadows > -sketch geometry simulate a pencil sketch > -solarize threshold negate all pixels above the threshold level > -sparse-color method args > fill in a image based on a few color points > -splice geometry splice the background color into the image > -spread radius displace image pixels by a random amount > -statistic type geometry > replace each pixel with corresponding statistic from the neighborhood > -strip strip image of all profiles and comments > -swirl degrees swirl image pixels about the center > -threshold value threshold the image > -thumbnail geometry create a thumbnail of the image > -tile filename tile image when filling a graphic primitive > -tint value tint the image with the fill color > -transform affine transform image > -transparent color make this color transparent within the image > -transpose flip image vertically and rotate 90 degrees > -transverse flop image horizontally and rotate 270 degrees > -trim trim image edges > -type type image type > -unique-colors discard all but one of any pixel color > -unsharp geometry sharpen the image > -vignette geometry soften the edges of the image in vignette style > -wave geometry alter an image along a sine wave > -white-threshold value > force all pixels above the threshold into white > > Image Sequence Operators: > -append append an image sequence > -clut apply a color lookup table to the image > -coalesce merge a sequence of images > -combine combine a sequence of images > -composite composite image > -crop geometry cut out a rectangular region of the image > -deconstruct break down an image sequence into constituent parts > -evaluate-sequence operator > evaluate an arithmetic, relational, or logical expression > -flatten flatten a sequence of images > -fx expression apply mathematical expression to an image channel(s) > -hald-clut apply a Hald color lookup table to the image > -morph value morph an image sequence > -mosaic create a mosaic from an image sequence > -print string interpret string and print to console > -process arguments process the image with a custom image filter > -separate separate an image channel into a grayscale image > -smush geometry smush an image sequence together > -write filename write images to this file > > Image Stack Operators: > -clone indexes clone an image > -delete indexes delete the image from the image sequence > -duplicate count,indexes > duplicate an image one or more times > -insert index insert last image into the image sequence > -reverse reverse image sequence > -swap indexes swap two images in the image sequence > > Miscellaneous Options: > -debug events display copious debugging information > -help print program options > -list type print a list of supported option arguments > -log format format of debugging information > -version print version information > > 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. > You're right Reindl I forgot about that. Most CLI programs I write I prompt for input when they are started without arguments, or offer a menu. I forgot that many folks write with only arguments as input. Also I have created launchers that will pass in the arguments for commands I use often (though not since moving to F19, so I don't know if that can still be done.) Thanks, Reindl! Regards, Les H -- devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/devel Fedora Code of Conduct: http://fedoraproject.org/code-of-conduct
