diff options
Diffstat (limited to 'man/man3/graphics.3')
| -rw-r--r-- | man/man3/graphics.3 | 80 |
1 files changed, 40 insertions, 40 deletions
diff --git a/man/man3/graphics.3 b/man/man3/graphics.3 index 4f58451a..da0b61cf 100644 --- a/man/man3/graphics.3 +++ b/man/man3/graphics.3 @@ -107,7 +107,7 @@ extern Font *font A .B Display structure represents a connection to the graphics device, -.IR draw (3), +.MR draw (3) , holding all graphics resources associated with the connection, including in particular raster image data in use by the client program. The structure is defined (in part) as: @@ -135,7 +135,7 @@ A .B Point is a location in an Image (see below and -.IR draw (3)), +.MR draw (3) ), such as the display, and is defined as: .IP .EX @@ -184,18 +184,18 @@ contains the coordinates of the first point beyond the rectangle. The .B Image data structure is defined in -.IR draw (3). +.MR draw (3) . .PP A .B Font is a set of character images, indexed by runes (see -.IR utf (7)). +.MR utf (7) ). The images are organized into .BR Subfonts , each containing the images for a small, contiguous set of runes. The detailed format of these data structures, which are described in detail in -.IR cachechars (3), +.MR cachechars (3) , is immaterial for most applications. .B Font and @@ -210,7 +210,7 @@ and the distance from the top of the highest character to the bottom of the lowest character (and hence, the interline spacing). See -.IR cachechars (3) +.MR cachechars (3) for more details. .PP .I Buildfont @@ -221,7 +221,7 @@ returning a pointer that can be used by .B string (see -.IR draw (3)) +.MR draw (3) ) to draw characters from the font. .I Openfont does the same, but reads the description @@ -231,7 +231,7 @@ frees a font. In contrast to Plan 9, font names in Plan 9 from User Space are a small language describing the desired font. See -.IR font (7) +.MR font (7) for details. .PP A @@ -274,7 +274,7 @@ structure representing the connection), (an .B Image representing the display memory itself or, if -.IR rio (1) +.MR rio (1) is running, the client's window), and .B font @@ -287,7 +287,7 @@ which is written to .B /dev/label if non-nil so that it can be used to identify the window when hidden (see -.IR rio (1)). +.MR rio (1) ). The font is created by reading the named .I font file. If @@ -301,7 +301,7 @@ if is not set, it imports the default (usually minimal) font from the operating system. (See -.IR font (7) +.MR font (7) for a full discussion of font syntaxes.) The global .I font @@ -322,7 +322,7 @@ is nil, the library provides a default, called Another effect of .I initdraw is that it installs -.IR print (3) +.MR print (3) formats .I Pfmt and @@ -360,9 +360,9 @@ and files; and .I ref specifies the refresh function to be used to create the window, if running under -.IR rio (1) +.MR rio (1) (see -.IR window (3)). +.MR window (3) ). .\" .PP .\" The function .\" .I newwindow @@ -435,11 +435,11 @@ by looking in to find the name of the window and opening it using .B namedimage (see -.IR allocimage (3)). +.MR allocimage (3) ). The resulting window will be created using the refresh method .I ref (see -.IR window (3)); +.MR window (3) ); this should almost always be .B Refnone because @@ -456,7 +456,7 @@ defining the window (or the overall display, if no window system is running); an a pointer to the .B Screen representing the root of the window's hierarchy. (See -.IR window (3). +.MR window (3) . The overloading of the .B screen word is an unfortunate historical accident.) @@ -528,15 +528,15 @@ the window boundaries; otherwise is a no-op. .PP The graphics functions described in -.IR draw (3), -.IR allocimage (3), -.IR cachechars (3), +.MR draw (3) , +.MR allocimage (3) , +.MR cachechars (3) , and -.IR subfont (3) +.MR subfont (3) are implemented by writing commands to files under .B /dev/draw (see -.IR draw (3)); +.MR draw (3) ); the writes are buffered, so the functions may not take effect immediately. .I Flushimage flushes the buffer, doing all pending graphics operations. @@ -546,7 +546,7 @@ is non-zero, any changes are also copied from the `soft screen' (if any) in the driver to the visible frame buffer. The various allocation routines in the library flush automatically, as does the event package (see -.IR event (3)); +.MR event (3) ); most programs do not need to call .IR flushimage . It returns \-1 on error. @@ -563,13 +563,13 @@ and .I chantostr convert between the channel descriptor strings used by -.IR image (7) +.MR image (7) and the internal .B ulong representation used by the graphics protocol (see -.IR draw (3)'s +.MR draw (3) 's .B b message). .B Chantostr @@ -599,7 +599,7 @@ if(getwindow(display, Refnone) < 0) .EE .PP To create and set up a new -.IR rio (1) +.MR rio (1) window, .IP .EX @@ -630,23 +630,23 @@ if(gengetwindow(display, "/tmp/winname", .SH SOURCE .B \*9/src/libdraw .SH "SEE ALSO" -.IR rio (1), -.IR addpt (3), -.IR allocimage (3), -.IR cachechars (3), -.IR subfont (3), -.IR draw (3), -.IR event (3), -.IR frame (3), -.IR print (3), -.IR window (3), -.IR draw (3), +.MR rio (1) , +.MR addpt (3) , +.MR allocimage (3) , +.MR cachechars (3) , +.MR subfont (3) , +.MR draw (3) , +.MR event (3) , +.MR frame (3) , +.MR print (3) , +.MR window (3) , +.MR draw (3) , .\" .IR rio (4), -.IR image (7), -.IR font (7) +.MR image (7) , +.MR font (7) .SH DIAGNOSTICS An error function may call -.IR errstr (3) +.MR errstr (3) for further diagnostics. .SH BUGS The names |