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xmag_multivis (6)
  • >> xmag_multivis (6) ( Solaris man: Игры )
  • 
    NAME
         xmag_multivis - magnify parts of the screen
    
    SYNOPSIS
         xmag_multivis [ -display display ]  [  -geometry  geom  ]  [
         -source geom ] [ -mag magfactor ] [ -bw pixels ] [ -bd color
         ] [ -bg colorpixelvalue ] [ -fn fontname ] [ -z ]
    
    DESCRIPTION
         The xmag_multivis program allows you to magnify portions  of
         the  screen.   If  no explicit region is specified, a square
         centered around the pointer is displayed indicating the area
         to  be  enlarged.  Once a region has been selected, a window
         is popped up showing a blown up version  of  the  region  in
         which  each  pixel  in  the source image is represented by a
         small square of the same color.   Pressing  Button1  on  the
         pointer  in  the  enlargement  window pops up a small window
         displaying, in hexadecimal  notation,  the  position,  pixel
         value,  and  RGB  value of the pixel under the pointer until
         the button is released.  Pressing the space bar or any other
         pointer  button  removes  the enlarged image so that another
         region may be selected.  Pressing ``q'', ``Q'', or ``^C'' in
         the enlargement window exits the program.
    
         On displays  that  export  multiple  Visuals,  the  selected
         region  is first examined for overlaps by windows of differ-
         ing depth, visual or colormap. If the selected  region  does
         contain such windows, the image displayed in the enlargement
         window is constructed by compositing  the  images  from  the
         various windows under the selected region. In this case, the
         composite image will only be displayed in a TrueColor 24 bit
         deep  window,  provided such a window can be created on that
         screen.  The image displayed in the enlargement window  will
         exhibit  true colors for every pixel in the composite image,
         regardless of the Colormap state (Installed/UnInstalled)  of
         any of the windows within the selected region.
    
    
    OPTIONS
         -display display
                 This option specifies the X server to use  for  both
                 reading  the screen and displaying the enlarged ver-
                 sion of the image.
    
         -geometry geom
                 This option specifies the size  and/or  location  of
                 the  enlargement  window.   By  default, the size is
                 computed from the size of the source region and  the
                 desired   magnification.   Therefore,  only  one  of
                 -source size  and  -mag  magfactor  options  may  be
                 specified  if  a  window  size  is  given  with this
                 option.
    
         -source geom
                 This option specifies the size  and/or  location  of
                 the  source  region  on  the  screen.  By default, a
                 64x64 square centered about the pointer is  provided
                 for  the  user to select an area of the screen.  The
                 size of the source is used with the desired magnifi-
                 cation  to  compute  the  default enlargement window
                 size.  Therefore, only one  of  -geometry  size  and
                 -mag  magfactor options may be specified if a source
                 size is given with this option.
    
         -mag magfactor
                 This option specifies an integral  factor  by  which
                 the  source  region should be enlarged.  The default
                 magnification is 5.  This is used with the  size  of
                 the source to compute the default enlargement window
                 size.  Therefore, only one  of  -geometry  size  and
                 -source  geom options may be specified if a magnifi-
                 cation factor is given with this option.
    
         -bw pixels
                 This option specifies the width  in  pixels  of  the
                 border surrounding the enlargement window.
    
         -bd color
                 This option specifies  the  color  to  use  for  the
                 border surrounding the enlargement window.
    
         -bg colororpixelvalue
                 This option specifies the name of the  color  to  be
                 used  as  the  background of the enlargement window.
                 If the name begins with a percent size  (%),  it  is
                 interpreted  to be an absolute pixel value.  This is
                 useful when displaying large areas since pixels that
                 are  the same color as the background do not need to
                 be painted in the enlargement.  The  default  is  to
                 use the BlackPixel of the screen.
    
         -fn fontname
                 This option specifies the name of a font to use when
                 displaying   pixel  values  (used  when  Button1  is
                 pressed in the enlargement window).
    
         -z      This option indicates  that  the  server  should  be
                 grabbed  during the dynamics and the call to XGetIm-
                 age.  This is useful for ensuring that clients don't
                 change  their state as a result of entering or leav-
                 ing them with the pointer.
    
    X DEFAULTS
         The xmag_multivis program uses the following X resources:
    
         geometry (class Geometry)
                 Specifies the size and/or location of  the  enlarge-
                 ment window.
    
         source (class Source)
                 Specifies the size and/or  location  of  the  source
                 region on the screen.
    
         magnification (class Magnification)
                 Specifies the enlargement factor.
    
         borderWidth (class BorderWidth)
                 Specifies the border width in pixels.
    
         borderColor (class BorderColor)
                 Specifies the color of the border.
    
         background (class Background)
                 Specifies the color or pixel value to  be  used  for
                 the background of the enlargement window.
    
         font (class Font)
                 Specifies the name of the font to use when  display-
                 ing  pixel  values  when the user presses Button1 in
                 the enlargement window.
    
    SEE ALSO
         xwd(1), xmag(1)
    
    BUGS
         On displays that export multiple visuals,  if  the  selected
         region   needs   to   be   composited   from   each  window,
         xmag_multivis insists  on  a  TrueColor  24  bit  window  to
         display  the  selected  region,  and exits with a failure if
         such a window cannot be created.  It would be nice,  instead
         if xmag_multivis would determine the best possible visual to
         display the image, or instead tried to display the image  in
         a visual selected by the user in a command line option.
    
         Because the window size equals the  source  size  times  the
         magnification,  you  only  need  to specify two of the three
         parameters.  This can be confusing.
    
         Being able to drag the pointer  around  and  see  a  dynamic
         display would be very nice.
    
         Another possible interface would be for the user to drag out
         the desired area to be enlarged.
    
    COPYRIGHT
         Copyright 1988, Massachusetts Institute of Technology.
    
         MultiVisual code: Copyright (c) 1990-92 by Sun Microsystems,
         Inc.
    
    AUTHOR
         Jim Fulton, MIT X Consortium
    
         MultiVisual code: Milind Pansare, Sun Microsystems, Inc.
    
    
    
    


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