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KATARAKT(1) | Katarakt Manual | KATARAKT(1) |
NAME¶
katarakt - a simple PDF viewer with two layoutsSYNOPSIS¶
katarakt ([OPTIONS] FILE|URL)*DESCRIPTION¶
It’s a PDF viewer. It views PDFs. There are currently two layouts. The presentation layout is very simple and only supports scrolling on a per page basis. As the name suggests the current page is displayed in the center and zoomed to fit the window. It is active by default. The grid layout is much more advanced and offers continuous (smooth, per pixel) scrolling, zooming and adjusting the column count. Pages keep their correct relative size and are shown in a grid. For every file passed on the command line a process is spawned.OPTIONS¶
-p, --page NUMStart showing page NUM.
-f, --fullscreen
Start in fullscreen mode.
-q, --quit
Quit on initialization failure.
-h, --help
Print help and exit.
CONFIGURATION¶
Variables and key bindings can be changed by modifying the katarakt.ini file. By default it is read from $XDG_CONFIG_HOME.KEY BINDINGS¶
qQuit katarakt
1
Switch to presentation layout. Views a single page
at a time, scaled to fit the screen
2
Switch to grid layout. Views pages in a continuous
fashion, scaled to fit the width. Supports columns.
Up, Down, Left, Right, k, j, h,
l
Move around (up/down/left/right)
^u, ^d
Scroll up/down half the screen
BackSpace, Space, ^b, ^f
Scroll up/down the screen. By default scrolls 90% to
create an overlapping region
PgUp, PgDown
Scroll up/down one page. Kind of swaps the pages in
place
Home, End, g, G
Go to the first/last page
^g
Show goto page bar
f
Toggle fullscreen
t
Toggle page number display
r
Reload document
o
Open a different document, shows a file dialog
-, +, =
Adjust zoom level (grid layout only)
z
Reset zoom level to default, i.e. fit width (grid
layout only)
[, ]
Adjust column count (grid layout only)
/
Show search bar
n, N
Focus next/previous search hit
^n, ^N
Focus next/previous search hit that is currently not
visible
u, i
Rotate pages left/right
^o, ^i, Alt-Left, Alt-Right
Move backward/forward through the jump list. Entries are
added automatically when jumping
VARIABLES¶
int background_opacity223: opacity of the black background in range [0..255].
Only works when using a compositor.
string default_layout
presentation: the layout on startup. Possible values:
presentation, grid
int mouse_wheel_factor
120: QT delta for turning the mouse wheel 1 click
int smooth_scroll_delta
30: pixel offset when moving around
float screen_scroll_factor
0.9: factor for scrolling the screen. Should be <= 1
to create an overlapping region
int useless_gap
2: gap between two pages in pixels
int min_page_width
150: pages can not be smaller than this
int min_zoom
-14: smallest zoom value
int max_zoom
30: biggest zoom value
float zoom_factor
0.05: influences the number of steps between min and
max
int prefetch_count
3: number of pages exceeding the currently visible ones
to render, back- and forwards respectively
float search_padding
0.2: factor of the area on the screen to display search
hits in. Moves search hits towards the center
bool smooth_downscaling
true: enables the higher quality downsampling
filter
int thumbnail_size
32: one dimension of square thumbnails saved at run-time
for every page that was once rendered
int rect_expansion
2: number of pixels search rects are expanded by
bool quit_on_init_fail
false: Quit katarakt if the document fails to open
string icon_theme
The name of your icon theme. Fill in if auto detection
fails.
COMMUNITY¶
Feel free to join the IRC channel #katarakt on freenode.AUTHOR¶
katarakt is written by Philipp Erhardt.RESOURCES¶
Gitweb: http://git.cs.fau.de/?p=katarakt Homepage: http://git.cs.fau.de/~go18gomu/katarakt/09/18/2014 | Katarakt |