drawfcall.3 (1041B)
1 .TH DRAWFCALL 3 2 .SH NAME 3 convM2W, convW2M, drawfcallfmt, readwsysmsg, sizeW2M \- window system protocol 4 .SH SYNOPSIS 5 .nf 6 .PP 7 .ft L 8 #include <u.h> 9 #include <libc.h> 10 #include <draw.h> 11 #include <mouse.h> 12 #include <cursor.h> 13 #include <drawfcall.h> 14 .ft P 15 .ta \w'\fLuint 'u 16 .PP 17 .B 18 uint convM2W(uchar *ap, uint nap, Wsysmsg *w) 19 .PP 20 .B 21 uint convW2M(Wsysmsg *w, uchar *ap, uint nap) 22 .PP 23 .B 24 int drawfcallfmt(Fmt*) 25 .PP 26 .B 27 int readwsysmsg(int fd, uchar *buf, uint nbuf) 28 .PP 29 .B 30 uint sizeW2M(Wsysmsg *w) 31 .SH DESCRIPTION 32 These routines are analogues of the routines described in 33 .MR fcall (3) . 34 They manipulate graphics device protocol messages 35 rather than 9P protocol messages. 36 The graphics device protocol is used for internal 37 communication between the 38 .MR devdraw (1) 39 graphics server 40 and the 41 .MR draw (3) 42 library. 43 A 44 .B Wsysmsg 45 is the C structure corresponding to a protocol message. 46 .PP 47 The protocol is intentionally undocumented and may change. 48 .SH SOURCE 49 .B \*9/src/libdraw/drawfcall.c 50 .SH SEE ALSO 51 .MR devdraw (1) , 52 .MR draw (3) , 53 .MR graphics (3)