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[/] [openrisc/] [trunk/] [rtos/] [ecos-2.0/] [packages/] [services/] [gfx/] [mw/] [v2_0/] [doc/] [nano-X/] [nano-X-docs.ps] - Blame information for rev 308

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684 
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701 
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703 
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706 
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709 
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710 
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711 
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712 
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714 
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715 
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717 
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718 
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719 
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720 
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721 
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722 
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723 
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724 
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725 
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726 
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727 
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728 
Black(.)p Black Black(.)p Black(61)596 2194 y(misc)p
729 
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730 
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731 
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732 
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733 
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734 
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735 
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736 
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737 
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738 
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739 
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740 
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741 
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742 
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743 
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744 
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745 
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746 
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747 
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748 
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749 
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750 
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751 
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752 
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753 
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754 
Black(.)p Black Black(.)p Black Black(.)p Black Black(.)p
755 
Black Black(.)p Black Black(.)p Black Black -1 w(.)p
756 
Black Black(.)p Black Black(.)p Black Black(.)p Black
757 
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758 
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759 
Black -1 w(.)p Black Black(.)p Black Black(.)p Black
760 
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761 
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762 
Black -1 w(.)p Black Black(.)p Black Black(.)p Black
763 
Black(.)p Black Black(.)p Black Black(.)p Black Black(.)p
764 
Black Black(.)p Black Black(.)p Black Black(.)p Black(65)p
765 
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766 
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767 
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768 
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769 
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770 
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771 
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772 
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773 
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774 
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775 
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776 
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777 
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780 
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781 
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782 
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784 
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785 
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786 
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787 
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788 
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789 
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790 
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791 
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793 
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794 
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795 
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799 
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802 
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803 
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804 
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805 
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806 
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807 
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808 
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809 
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810 
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811 
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812 
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813 
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814 
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815 
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816 
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817 
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818 
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819 
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820 
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821 
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823 
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824 
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826 
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827 
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828 
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830 
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831 
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832 
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833 
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834 
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835 
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836 
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837 
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838 
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839 
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840 
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841 
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842 
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843 
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844 
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845 
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847 
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848 
1045 y(void)430 b(GrDestroyWindow)911 b(\(GR_WINDOW_ID)52
849 
b(wid\);)396 1162 y(void)430 b(GrMapWindow)1127 b(\(GR_WINDOW_ID)52
850 
b(wid\);)396 1278 y(void)430 b(GrUnmapWindow)1019 b(\(GR_WINDOW_ID)52
851 
b(wid\);)396 1395 y(void)430 b(GrRaiseWindow)1019 b(\(GR_WINDOW_ID)52
852 
b(wid\);)396 1511 y(void)430 b(GrLowerWindow)1019 b(\(GR_WINDOW_ID)52
853 
b(wid\);)396 1628 y(void)430 b(GrMoveWindow)1073 b(\(GR_WINDOW_ID)52
854 
b(wid,)2817 1745 y(GR_COORD)g(x,)2817 1861 y(GR_COORD)g(y\);)396
855 
1978 y(void)430 b(GrResizeWindow)965 b(\(GR_WINDOW_ID)52
856 
b(wid,)2817 2094 y(GR_SIZE)h(width,)2817 2211 y(GR_SIZE)g(height\);)396
857 
2327 y(void)430 b(GrReparentWindow)857 b(\(GR_WINDOW_ID)52
858 
b(wid,)2817 2444 y(GR_WINDOW_ID)g(pwid,)2817 2560 y(GR_COORD)g(x,)2817
859 
2677 y(GR_COORD)g(y\);)396 2794 y(void)430 b(GrGetWindowInfo)911
860 
b(\(GR_WINDOW_ID)52 b(wid,)2817 2910 y(GR_WINDOW_INFO)f(*infoptr\);)396
861 
3027 y(void)430 b(GrSetWMProperties)803 b(\(GR_WINDOW_ID)52
862 
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863 
y(void)430 b(GrGetWMProperties)803 b(\(GR_WINDOW_ID)52
864 
b(wid,)2817 3376 y(GR_WM_PROPERTIES)f(*props\);)396 3493
865 
y(void)430 b(GrSetFocus)1181 b(\(GR_WINDOW_ID)52 b(wid\);)396
866 
3610 y(GR_WINDOW_ID)g(GrGetFocus)1127 b(\(void\);)396
867 
3726 y(void)430 b(GrSetBorderColor)857 b(\(GR_WINDOW_ID)52
868 
b(wid,)2817 3843 y(GR_COLOR)g(color\);)396 3959 y(void)430
869 
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870 
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871 
4309 y(void)430 b(GrClearWindow)1019 b(\(GR_WINDOW_ID)52
872 
b(wid,)2817 4425 y(GR_BOOL)h(exposeflag\);)396 4542 y(void)430
873 
b(GrCloseWindow)1019 b(\(GR_WINDOW_ID)52 b(wid\);)396
874 
4659 y(void)430 b(GrKillWindow)1073 b(\(GR_WINDOW_ID)52
875 
b(wid\);)p Black -2 5278 a Fg(8)p Black eop
876 
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877 
9 8 bop Black 3023 67 a Fg(Chapter)25 b(1.)30 b(libnano-X)p
878 
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879 
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880 
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881 
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882 
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883 
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884 
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885 
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886 
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887 
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888 
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890 
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891 
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892 
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893 
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894 
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895 
(the)g(windo)n(w)e(border)439 4298 y Fa(background)k
896 
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897 
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899 
Black eop
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901 
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904 
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905 
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906 
1532 y(void)g(*addr\);)396 1761 y Fh(Create)26 b(a)f(ne)n(w)g(serv)o
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910 
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911 
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912 
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913 
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914 
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916 
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917 
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919 
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922 
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926 
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11 10 bop Black 3023 67 a Fg(Chapter)25 b(1.)30 b(libnano-X)p
929 
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931 
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932 
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934 
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935 
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936 
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(the)g(data)g(structures)f(associated)g(with)g(the)h(speci\002ed)g
939 
(windo)n(w)396 2121 y(and)g(all)g(of)f(its)h(children.)833
940 
2412 y Fa(wid)j Fh(:)50 b(the)24 b(ID)h(of)g(the)g(windo)n(w)e(to)i
941 
(destro)o(y)396 2929 y Fb(GrMapWindo)n(w)34 b(\(\))396
942 
3145 y Fc(void)430 b(GrMapWindow)1127 b(\(GR_WINDOW_ID)52
943 
b(wid\);)396 3374 y Fh(Recursi)n(v)o(ely)24 b(maps)g(\(mak)o(es)h
944 
(visible\))f(the)g(speci\002ed)h(windo)n(w)f(and)h(all)f(of)h(the)g
945 
(child)f(windo)n(ws)396 3504 y(which)h(ha)n(v)o(e)f(a)h(suf)n
946 
(\002cient)g(map)f(count.)30 b(The)25 b(border)g(and)g(background)f(of)
947 
h(the)f(windo)n(w)g(are)396 3633 y(painted,)g(and)h(an)g(e)o(xposure)f
948 
(e)n(v)o(ent)g(is)g(generated)h(for)g(the)g(windo)n(w)f(and)g(e)n(v)o
949 
(ery)g(child)h(which)396 3763 y(becomes)g(visible.)833
950 
4054 y Fa(wid)j Fh(:)50 b(the)24 b(ID)h(of)g(the)g(windo)n(w)e(to)i
951 
(map)396 4571 y Fb(GrUnmapWindo)n(w)35 b(\(\))396 4787
952 
y Fc(void)430 b(GrUnmapWindow)1019 b(\(GR_WINDOW_ID)52
953 
b(wid\);)p Black 3784 5278 a Fg(11)p Black eop
954 
%%Page: 12 12
955 
12 11 bop Black -2 67 a Fg(Chapter)24 b(1.)31 b(libnano-X)p
956 
Black 396 579 a Fh(Recursi)n(v)o(ely)24 b(unmaps)g(\(mak)o(es)h(in)l
957 
(visible\))e(the)i(speci\002ed)g(windo)n(w)e(and)i(all)f(of)h(the)g
958 
(child)396 708 y(windo)n(ws.)833 1000 y Fa(wid)j Fh(:)50
959 
b(the)24 b(ID)h(of)g(the)g(windo)n(w)e(to)i(unmap)396
960 
1516 y Fb(GrRaiseWindo)n(w)35 b(\(\))396 1733 y Fc(void)430
961 
b(GrRaiseWindow)1019 b(\(GR_WINDOW_ID)52 b(wid\);)396
962 
1962 y Fh(Places)26 b(the)e(speci\002ed)h(windo)n(w)f(at)h(the)f(top)h
963 
(of)f(its)h(parents)f(dra)o(wing)g(stack,)h(abo)o(v)o(e)e(all)i(of)g
964 
(its)396 2091 y(sibling)e(windo)n(ws.)833 2403 y Fa(wid)28
965 
b Fh(:)50 b(the)24 b(ID)h(of)g(the)g(windo)n(w)e(to)i(raise)396
966 
2899 y Fb(GrLo)n(werWindo)n(w)34 b(\(\))396 3115 y Fc(void)430
967 
b(GrLowerWindow)1019 b(\(GR_WINDOW_ID)52 b(wid\);)396
968 
3345 y Fh(Places)26 b(the)e(speci\002ed)h(windo)n(w)f(at)h(the)f
969 
(bottom)g(of)g(its)h(parents)f(dra)o(wing)g(stack,)h(belo)n(w)e(all)i
970 
(of)g(its)396 3474 y(sibling)e(windo)n(ws.)833 3786 y
971 
Fa(wid)28 b Fh(:)50 b(the)24 b(ID)h(of)g(the)g(windo)n(w)e(to)i(lo)n
972 
(wer)396 4282 y Fb(GrMo)n(veWindo)n(w)34 b(\(\))396 4498
973 
y Fc(void)430 b(GrMoveWindow)1073 b(\(GR_WINDOW_ID)52
974 
b(wid,)2817 4615 y(GR_COORD)g(x,)2817 4731 y(GR_COORD)g(y\);)p
975 
Black -2 5278 a Fg(12)p Black eop
976 
%%Page: 13 13
977 
13 12 bop Black 3023 67 a Fg(Chapter)25 b(1.)30 b(libnano-X)p
978 
Black 396 579 a Fh(Mo)o(v)o(es)23 b(the)i(speci\002ed)g(windo)n(w)e(to)
979 
i(the)g(speci\002ed)g(position)e(relati)n(v)o(e)g(to)i(its)f(parent)h
980 
(windo)n(w)-6 b(.)833 890 y Fa(wid)28 b Fh(:)50 b(the)24
981 
b(ID)h(of)g(the)g(windo)n(w)e(to)i(mo)o(v)o(e)951 1045
982 
y Fa(x)30 b Fh(:)50 b(the)24 b(X)h(coordinate)f(to)h(mo)o(v)o(e)e(the)i
983 
(windo)n(w)e(to)i(relati)n(v)o(e)e(to)i(its)f(parent.)948
984 
1199 y Fa(y)33 b Fh(:)50 b(the)24 b(Y)h(coordinate)f(to)h(mo)o(v)o(e)e
985 
(the)i(windo)n(w)e(to)i(relati)n(v)o(e)e(to)i(its)f(parent.)396
986 
1696 y Fb(GrResiz)q(eWindo)n(w)35 b(\(\))396 1912 y Fc(void)430
987 
b(GrResizeWindow)965 b(\(GR_WINDOW_ID)52 b(wid,)2817
988 
2028 y(GR_SIZE)h(width,)2817 2145 y(GR_SIZE)g(height\);)396
989 
2374 y Fh(Resizes)26 b(the)e(speci\002ed)h(windo)n(w)f(to)g(be)h(the)g
990 
(speci\002ed)g(width)f(and)g(height.)833 2686 y Fa(wid)k
991 
Fh(:)50 b(the)24 b(ID)h(of)g(the)g(windo)n(w)e(to)i(resize)717
992 
2840 y Fa(width)f Fh(:)50 b(the)24 b(width)g(to)g(resize)i(the)e(windo)
993 
n(w)g(to)657 2995 y Fa(height)g Fh(:)50 b(the)24 b(height)g(to)h
994 
(resize)g(the)f(windo)n(w)g(to)396 3491 y Fb(GrReparentWindo)n(w)35
995 
b(\(\))396 3707 y Fc(void)430 b(GrReparentWindow)857
996 
b(\(GR_WINDOW_ID)52 b(wid,)2817 3824 y(GR_WINDOW_ID)g(pwid,)2817
997 
3940 y(GR_COORD)g(x,)2817 4057 y(GR_COORD)g(y\);)396
998 
4286 y Fh(Changes)24 b(the)g(parent)g(windo)n(w)f(of)h(the)g
999 
(speci\002ed)g(windo)n(w)e(to)i(the)g(speci\002ed)g(parent)g(windo)n(w)
1000 
e(and)396 4416 y(places)j(it)f(at)h(the)g(speci\002ed)g(coordinates)f
1001 
(relati)n(v)o(e)g(to)g(the)h(ne)n(w)f(parent.)833 4727
1002 
y Fa(wid)k Fh(:)50 b(the)24 b(ID)h(of)g(the)g(windo)n(w)e(to)i
1003 
(reparent)p Black 3784 5278 a Fg(13)p Black eop
1004 
%%Page: 14 14
1005 
14 13 bop Black -2 67 a Fg(Chapter)24 b(1.)31 b(libnano-X)p
1006 
Black 773 587 a Fa(pwid)d Fh(:)50 b(the)24 b(ID)h(of)g(the)g(ne)n(w)f
1007 
(parent)h(windo)n(w)951 741 y Fa(x)30 b Fh(:)50 b(the)24
1008 
b(X)h(coordinate)f(to)h(place)g(the)g(windo)n(w)e(at)i(relati)n(v)o(e)f
1009 
(to)g(the)h(ne)n(w)f(parent)948 895 y Fa(y)33 b Fh(:)50
1010 
b(the)24 b(Y)h(coordinate)f(to)h(place)g(the)g(windo)n(w)e(at)i(relati)
1011 
n(v)o(e)f(to)g(the)h(ne)n(w)f(parent)396 1392 y Fb(GrGetWindo)n(wInf)n
1012 
(o)33 b(\(\))396 1608 y Fc(void)430 b(GrGetWindowInfo)911
1013 
b(\(GR_WINDOW_ID)52 b(wid,)2817 1725 y(GR_WINDOW_INFO)f(*in-)396
1014 
1841 y(foptr\);)396 2070 y Fh(Fills)24 b(in)h(a)g(GR_WINDO)m(W_INFO)g
1015 
(structure)f(with)g(information)g(re)o(garding)f(the)i(windo)n(w)e
1016 
(with)396 2200 y(the)i(speci\002ed)g(windo)n(w)e(ID.)833
1017 
2511 y Fa(wid)28 b Fh(:)50 b(the)24 b(ID)h(of)g(the)g(windo)n(w)e(to)i
1018 
(retrie)n(v)o(e)f(information)f(about)594 2666 y Fa(infoptr)k
1019 
Fh(:)50 b(pointer)24 b(to)g(a)h(GR_WINDO)m(W_INFO)g(structure)g(to)f
1020 
(return)h(the)g(information)1094 2795 y(in)396 3292 y
1021 
Fb(GrSetWMPr)n(oper)r(ties)33 b(\(\))396 3508 y Fc(void)430
1022 
b(GrSetWMProperties)803 b(\(GR_WINDOW_ID)52 b(wid,)2817
1023 
3624 y(GR_WM_PROPERTIES)f(*props\);)396 3854 y Fh(Copies)25
1024 
b(the)g(pro)o(vided)e(GR_WM_PR)l(OPER)-6 b(TIES)27 b(structure)d(into)g
1025 
(the)h(the)396 3983 y(GR_WM_PR)l(OPER)-6 b(TIES)27 b(structure)d(of)h
1026 
(the)g(speci\002ed)g(windo)n(w)e(id.)833 4295 y Fa(wid)28
1027 
b Fh(:)50 b(the)24 b(ID)h(of)g(the)g(windo)n(w)e(to)i(set)f(the)h(WM)f
1028 
(properties)h(of)717 4449 y Fa(props)f Fh(:)50 b(pointer)24
1029 
b(to)g(a)h(GR_WM_PR)l(OPER)-6 b(TIES)27 b(structure)p
1030 
Black -2 5278 a Fg(14)p Black eop
1031 
%%Page: 15 15
1032 
15 14 bop Black 3023 67 a Fg(Chapter)25 b(1.)30 b(libnano-X)p
1033 
Black 396 583 a Fb(GrGetWMPr)n(oper)r(ties)j(\(\))396
1034 
799 y Fc(void)430 b(GrGetWMProperties)803 b(\(GR_WINDOW_ID)52
1035 
b(wid,)2817 916 y(GR_WM_PROPERTIES)f(*props\);)396 1145
1036 
y Fh(Reads)26 b(the)e(GR_WM_PR)l(OPER)-6 b(TIES)27 b(structure)d(for)h
1037 
(the)g(windo)n(w)e(with)h(the)h(speci\002ed)g(id)f(and)396
1038 
1275 y(\002lls)h(in)f(the)h(pro)o(vided)e(structure)i(with)f(the)h
1039 
(information.)k(It)c(is)f(the)h(callers)f(responsibility)f(to)h(free)
1040 
396 1404 y(the)h(title)f(member)g(as)h(it)f(is)h(allocated)f
1041 
(dynamically)-6 b(.)29 b(The)c(title)f(\002eld)h(will)f(be)h(set)f(to)h
1042 
(NULL)f(if)h(the)396 1534 y(windo)n(w)f(has)g(no)h(title.)833
1043 
1825 y Fa(wid)j Fh(:)50 b(the)24 b(ID)h(of)g(the)g(windo)n(w)e(to)i
1044 
(retrei)n(v)o(e)f(the)g(WM)h(properties)f(of)717 1979
1045 
y Fa(props)g Fh(:)50 b(pointer)24 b(to)g(a)h(GR_WM_PR)l(OPER)-6
1046 
b(TIES)27 b(structure)d(to)h(\002ll)f(in)396 2496 y Fb(GrSetFocus)34
1047 
b(\(\))396 2712 y Fc(void)430 b(GrSetFocus)1181 b(\(GR_WINDOW_ID)52
1048 
b(wid\);)396 2941 y Fh(Sets)25 b(the)g(k)o(e)o(yboard)f(focus)h(to)f
1049 
(the)h(speci\002ed)g(windo)n(w)-6 b(.)833 3253 y Fa(wid)28
1050 
b Fh(:)50 b(the)24 b(ID)h(of)g(the)g(windo)n(w)e(to)i(set)f(the)h
1051 
(focus)g(to)396 3749 y Fb(GrGetFocus)34 b(\(\))396 3965
1052 
y Fc(GR_WINDOW_ID)52 b(GrGetFocus)1127 b(\(void\);)706
1053 
4365 y Fg(Returns)24 b Fh(:)50 b(the)24 b(ID)h(of)g(the)g(windo)n(w)e
1054 
(which)i(currently)f(has)h(the)f(k)o(e)o(yboard)h(focus)p
1055 
Black 3784 5278 a Fg(15)p Black eop
1056 
%%Page: 16 16
1057 
16 15 bop Black -2 67 a Fg(Chapter)24 b(1.)31 b(libnano-X)p
1058 
Black 396 583 a Fb(GrSetBor)n(derColor)i(\(\))396 799
1059 
y Fc(void)430 b(GrSetBorderColor)857 b(\(GR_WINDOW_ID)52
1060 
b(wid,)2817 916 y(GR_COLOR)g(color\);)396 1145 y Fh(Sets)25
1061 
b(the)g(border)g(colour)f(of)h(the)g(speci\002ed)g(windo)n(w)e(to)i
1062 
(the)f(speci\002ed)h(colour)-5 b(.)833 1457 y Fa(wid)28
1063 
b Fh(:)50 b(the)24 b(ID)h(of)g(the)g(windo)n(w)e(to)i(set)f(the)h
1064 
(border)g(colour)f(of)714 1611 y Fa(color)j Fh(:)396
1065 
2107 y Fb(GrSetBac)n(kgr)n(oundPixmap)35 b(\(\))396 2324
1066 
y Fc(void)430 b(GrSetBackgroundPixmap)587 b(\(GR_WINDOW_ID)52
1067 
b(wid,)2817 2440 y(GR_WINDOW_ID)g(pixmap,)2817 2557 y(int)h(flags\);)
1068 
396 2786 y Fh(Sets)25 b(the)g(background)f(of)h(the)g(speci\002ed)g
1069 
(windo)n(w)e(to)i(the)f(speci\002ed)h(pixmap.)30 b(The)25
1070 
b(\003ags)g(which)396 2915 y(specify)g(ho)n(w)f(to)g(dra)o(w)h(the)f
1071 
(pixmap)g(\(in)h(the)g(top)f(left)g(of)h(the)g(windo)n(w)-6
1072 
b(,)23 b(in)h(the)h(centre)g(of)g(the)396 3045 y(windo)n(w)-6
1073 
b(,)23 b(tiled,)h(etc.\))h(are)h(those)e(which)g(start)h(with)f(GR_B)m
1074 
(A)l(CKGR)l(OUND_)h(in)g(nano-X.h.)30 b(If)396 3174 y(the)25
1075 
b(pixmap)f(v)n(alue)g(is)g(0,)h(the)g(serv)o(er)f(will)g(disable)g(the)
1076 
h(background)f(pixmap)g(and)h(return)g(to)396 3304 y(using)f(a)h(solid)
1077 
f(colour)g(\002ll.)833 3615 y Fa(wid)k Fh(:)50 b(ID)25
1078 
b(of)f(the)h(windo)n(w)f(to)g(set)h(the)f(background)g(of)657
1079 
3770 y Fa(pixmap)g Fh(:)50 b(ID)25 b(of)f(the)h(pixmap)f(to)g(use)h(as)
1080 
g(the)g(background)717 3924 y Fa(flags)f Fh(:)50 b(\003ags)25
1081 
b(specifying)f(ho)n(w)g(to)g(dra)o(w)h(the)f(pixmap)g(onto)g(the)h
1082 
(windo)n(w)396 4421 y Fb(GrClearWindo)n(w)34 b(\(\))396
1083 
4637 y Fc(void)430 b(GrClearWindow)1019 b(\(GR_WINDOW_ID)52
1084 
b(wid,)2817 4753 y(GR_BOOL)h(expose-)396 4870 y(flag\);)p
1085 
Black -2 5278 a Fg(16)p Black eop
1086 
%%Page: 17 17
1087 
17 16 bop Black 3023 67 a Fg(Chapter)25 b(1.)30 b(libnano-X)p
1088 
Black 396 579 a Fh(Clears)c(the)e(speci\002ed)h(windo)n(w)f(by)g
1089 
(setting)g(it)g(to)h(its)f(background)g(color)-5 b(.)30
1090 
b(If)25 b(the)g(e)o(xpose\003ag)396 708 y(parameter)g(is)g(non)f(zero,)
1091 
h(an)g(e)o(xposure)f(e)n(v)o(ent)g(is)h(generated)g(for)g(the)f(windo)n
1092 
(w)g(after)h(it)g(has)f(been)396 838 y(cleared.)833 1129
1093 
y Fa(wid)k Fh(:)50 b(the)24 b(ID)h(of)g(the)g(windo)n(w)e(to)i(clear)
1094 
438 1284 y Fa(exposeflag)j Fh(:)d(a)g(\003ag)g(indicating)e(whether)i
1095 
(to)g(also)f(generate)h(an)g(e)o(xposure)f(e)n(v)o(ent)396
1096 
1905 y Fb(GrCloseWindo)n(w)35 b(\(\))396 2121 y Fc(void)430
1097 
b(GrCloseWindow)1019 b(\(GR_WINDOW_ID)52 b(wid\);)396
1098 
2350 y Fh(Sends)24 b(a)h(CLOSE_REQ)f(e)n(v)o(ent)f(to)h(the)g
1099 
(speci\002ed)g(windo)n(w)f(if)h(the)g(client)f(has)h(selected)g(to)g
1100 
(recei)n(v)o(e)396 2480 y(CLOSE_REQ)i(e)n(v)o(ents)d(on)i(this)f(windo)
1101 
n(w)-6 b(.)28 b(Used)d(to)f(request)h(an)g(application)f(to)g(shut)g
1102 
(do)n(wn)g(b)n(ut)396 2609 y(not)g(force)i(it)e(to)h(do)f(so)h
1103 
(immediately)-6 b(,)22 b(so)j(the)f(application)g(can)h(ask)g(whether)g
1104 
(to)f(sa)n(v)o(e)h(changed)396 2739 y(\002les)g(before)h(shutting)d(do)
1105 
n(wn)g(cleanly)-6 b(.)833 3050 y Fa(wid)28 b Fh(:)50
1106 
b(the)24 b(ID)h(of)g(the)g(windo)n(w)e(to)i(send)f(the)h(CLOSE_REQ)g(e)
1107 
n(v)o(ent)f(to)396 3547 y Fb(GrKillWindo)n(w)34 b(\(\))396
1108 
3763 y Fc(void)430 b(GrKillWindow)1073 b(\(GR_WINDOW_ID)52
1109 
b(wid\);)396 3992 y Fh(F)o(orcibly)24 b(disconnects)g(the)h(client)f
1110 
(which)g(o)n(wns)g(this)g(windo)n(w)f(with)h(the)h(speci\002ed)g(ID)g
1111 
(number)-5 b(.)396 4122 y(Used)25 b(to)f(kill)g(an)h(application)f
1112 
(which)g(has)h(lock)o(ed)f(up)h(and)g(is)f(not)g(responding)g(to)g
1113 
(CLOSE_REQ)396 4251 y(e)n(v)o(ents.)833 4542 y Fa(wid)k
1114 
Fh(:)50 b(the)24 b(ID)h(of)g(the)g(windo)n(w)e(to)i(kill)p
1115 
Black 3780 5278 a Fg(17)p Black eop
1116 
%%Page: 18 18
1117 
18 17 bop Black -2 67 a Fg(Chapter)24 b(1.)31 b(libnano-X)p
1118 
Black -2 621 a Ff(graphics)47 b(\(3\))396 1101 y Fe(Name)396
1119 
1303 y Fd(graphics)23 b Fh(\227)396 1696 y Fe(Synopsis)396
1120 
2146 y Fc(GR_GC_ID)214 b(GrNewGC)1343 b(\(void\);)396
1121 
2262 y(GR_GC_ID)214 b(GrCopyGC)1289 b(\(GR_GC_ID)52 b(gc\);)396
1122 
2379 y(void)430 b(GrGetGCInfo)1127 b(\(GR_GC_ID)52 b(gc,)2817
1123 
2495 y(GR_GC_INFO)g(*gcip\);)396 2612 y(void)430 b(GrDestroyGC)1127
1124 
b(\(GR_GC_ID)52 b(gc\);)396 2728 y(void)430 b(GrLine)1397
1125 
b(\(GR_DRAW_ID)52 b(id,)2817 2845 y(GR_GC_ID)g(gc,)2817
1126 
2962 y(GR_COORD)g(x1,)2817 3078 y(GR_COORD)g(y1,)2817
1127 
3195 y(GR_COORD)g(x2,)2817 3311 y(GR_COORD)g(y2\);)396
1128 
3428 y(void)430 b(GrPoint)1343 b(\(GR_DRAW_ID)52 b(id,)2817
1129 
3544 y(GR_GC_ID)g(gc,)2817 3661 y(GR_COORD)g(x,)2817
1130 
3777 y(GR_COORD)g(y\);)396 3894 y(void)430 b(GrPoints)1289
1131 
b(\(GR_DRAW_ID)52 b(id,)2817 4011 y(GR_GC_ID)g(gc,)2817
1132 
4127 y(GR_COUNT)g(count,)2817 4244 y(GR_POINT)g(*pointtable\);)396
1133 
4360 y(void)430 b(GrRect)1397 b(\(GR_DRAW_ID)52 b(id,)2817
1134 
4477 y(GR_GC_ID)g(gc,)2817 4593 y(GR_COORD)g(x,)2817
1135 
4710 y(GR_COORD)g(y,)2817 4827 y(GR_SIZE)h(width,)p Black
1136 
-2 5278 a Fg(18)p Black eop
1137 
%%Page: 19 19
1138 
19 18 bop Black 3023 67 a Fg(Chapter)25 b(1.)30 b(libnano-X)p
1139 
Black 2817 579 a Fc(GR_SIZE)53 b(height\);)396 695 y(void)430
1140 
b(GrFillRect)1181 b(\(GR_DRAW_ID)52 b(id,)2817 812 y(GR_GC_ID)g(gc,)
1141 
2817 929 y(GR_COORD)g(x,)2817 1045 y(GR_COORD)g(y,)2817
1142 
1162 y(GR_SIZE)h(width,)2817 1278 y(GR_SIZE)g(height\);)396
1143 
1395 y(void)430 b(GrPoly)1397 b(\(GR_DRAW_ID)52 b(id,)2817
1144 
1511 y(GR_GC_ID)g(gc,)2817 1628 y(GR_COUNT)g(count,)2817
1145 
1745 y(GR_POINT)g(*pointtable\);)396 1861 y(void)430
1146 
b(GrFillPoly)1181 b(\(GR_DRAW_ID)52 b(id,)2817 1978 y(GR_GC_ID)g(gc,)
1147 
2817 2094 y(GR_COUNT)g(count,)2817 2211 y(GR_POINT)g(*pointtable\);)396
1148 
2327 y(void)430 b(GrEllipse)1235 b(\(GR_DRAW_ID)52 b(id,)2817
1149 
2444 y(GR_GC_ID)g(gc,)2817 2560 y(GR_COORD)g(x,)2817
1150 
2677 y(GR_COORD)g(y,)2817 2794 y(GR_SIZE)h(rx,)2817 2910
1151 
y(GR_SIZE)g(ry\);)396 3027 y(void)430 b(GrFillEllipse)1019
1152 
b(\(GR_DRAW_ID)52 b(id,)2817 3143 y(GR_GC_ID)g(gc,)2817
1153 
3260 y(GR_COORD)g(x,)2817 3376 y(GR_COORD)g(y,)2817 3493
1154 
y(GR_SIZE)h(rx,)2817 3610 y(GR_SIZE)g(ry\);)396 3726
1155 
y(void)430 b(GrArc)1451 b(\(GR_DRAW_ID)52 b(id,)2817
1156 
3843 y(GR_GC_ID)g(gc,)2817 3959 y(GR_COORD)g(x,)2817
1157 
4076 y(GR_COORD)g(y,)2817 4192 y(GR_SIZE)h(rx,)2817 4309
1158 
y(GR_SIZE)g(ry,)2817 4425 y(GR_COORD)f(ax,)2817 4542
1159 
y(GR_COORD)g(ay,)2817 4659 y(GR_COORD)g(bx,)2817 4775
1160 
y(GR_COORD)g(by,)p Black 3784 5278 a Fg(19)p Black eop
1161 
%%Page: 20 20
1162 
20 19 bop Black -2 67 a Fg(Chapter)24 b(1.)31 b(libnano-X)p
1163 
Black 2817 579 a Fc(int)53 b(type\);)396 695 y(void)430
1164 
b(GrArcAngle)1181 b(\(GR_DRAW_ID)52 b(id,)2817 812 y(GR_GC_ID)g(gc,)
1165 
2817 929 y(GR_COORD)g(x,)2817 1045 y(GR_COORD)g(y,)2817
1166 
1162 y(GR_SIZE)h(rx,)2817 1278 y(GR_SIZE)g(ry,)2817 1395
1167 
y(GR_COORD)f(angle1,)2817 1511 y(GR_COORD)g(angle2,)2817
1168 
1628 y(int)h(type\);)396 1745 y(void)430 b(GrSetGCForeground)803
1169 
b(\(GR_GC_ID)52 b(gc,)2817 1861 y(GR_COLOR)g(foreground\);)396
1170 
1978 y(void)430 b(GrSetGCBackground)803 b(\(GR_GC_ID)52
1171 
b(gc,)2817 2094 y(GR_COLOR)g(background\);)396 2211 y(void)430
1172 
b(GrSetGCUseBackground)641 b(\(GR_GC_ID)52 b(gc,)2817
1173 
2327 y(GR_BOOL)h(flag\);)396 2444 y(void)430 b(GrSetGCMode)1127
1174 
b(\(GR_GC_ID)52 b(gc,)2817 2560 y(int)h(mode\);)396 2677
1175 
y(void)430 b(GrSetGCFont)1127 b(\(GR_GC_ID)52 b(gc,)2817
1176 
2794 y(GR_FONT_ID)g(font\);)396 2910 y(void)430 b(GrGetGCTextSize)911
1177 
b(\(GR_GC_ID)52 b(gc,)2817 3027 y(void)h(*str,)2817 3143
1178 
y(int)g(count,)2817 3260 y(int)g(flags,)2817 3376 y(GR_SIZE)g
1179 
(*retwidth,)2817 3493 y(GR_SIZE)g(*retheight,)2817 3610
1180 
y(GR_SIZE)g(*retbase\);)396 3726 y(void)430 b(GrReadArea)1181
1181 
b(\(GR_DRAW_ID)52 b(id,)2817 3843 y(GR_COORD)g(x,)2817
1182 
3959 y(GR_COORD)g(y,)2817 4076 y(GR_SIZE)h(width,)2817
1183 
4192 y(GR_SIZE)g(height,)2817 4309 y(GR_PIXELVAL)f(*pixels\);)396
1184 
4425 y(void)430 b(GrArea)1397 b(\(GR_DRAW_ID)52 b(id,)2817
1185 
4542 y(GR_GC_ID)g(gc,)2817 4659 y(GR_COORD)g(x,)2817
1186 
4775 y(GR_COORD)g(y,)p Black -2 5278 a Fg(20)p Black
1187 
eop
1188 
%%Page: 21 21
1189 
21 20 bop Black 3023 67 a Fg(Chapter)25 b(1.)30 b(libnano-X)p
1190 
Black 2817 579 a Fc(GR_SIZE)53 b(width,)2817 695 y(GR_SIZE)g(height,)
1191 
2817 812 y(void)g(*pixels,)2817 929 y(int)g(pixtype\);)396
1192 
1045 y(void)430 b(GrCopyArea)1181 b(\(GR_DRAW_ID)52 b(id,)2817
1193 
1162 y(GR_GC_ID)g(gc,)2817 1278 y(GR_COORD)g(x,)2817
1194 
1395 y(GR_COORD)g(y,)2817 1511 y(GR_SIZE)h(width,)2817
1195 
1628 y(GR_SIZE)g(height,)2817 1745 y(GR_DRAW_ID)f(srcid,)2817
1196 
1861 y(GR_COORD)g(srcx,)2817 1978 y(GR_COORD)g(srcy,)2817
1197 
2094 y(int)h(op\);)396 2211 y(void)430 b(GrBitmap)1289
1198 
b(\(GR_DRAW_ID)52 b(id,)2817 2327 y(GR_GC_ID)g(gc,)2817
1199 
2444 y(GR_COORD)g(x,)2817 2560 y(GR_COORD)g(y,)2817 2677
1200 
y(GR_SIZE)h(width,)2817 2794 y(GR_SIZE)g(height,)2817
1201 
2910 y(GR_BITMAP)f(*imagebits\);)396 3027 y(void)430
1202 
b(GrFreeImage)1127 b(\(GR_IMAGE_ID)52 b(id\);)396 3143
1203 
y(void)430 b(GrGetImageInfo)965 b(\(GR_IMAGE_ID)52 b(id,)2817
1204 
3260 y(GR_IMAGE_INFO)f(*iip\);)396 3376 y(void)430 b
1205 
(GrDrawImageFromFile)695 b(\(GR_DRAW_ID)52 b(id,)2817
1206 
3493 y(GR_GC_ID)g(gc,)2817 3610 y(GR_COORD)g(x,)2817
1207 
3726 y(GR_COORD)g(y,)2817 3843 y(GR_SIZE)h(width,)2817
1208 
3959 y(GR_SIZE)g(height,)2817 4076 y(char)g(*path,)2817
1209 
4192 y(int)g(flags\);)396 4309 y(GR_IMAGE_ID)f(GrLoadImageFromFile)695
1210 
b(\(char)53 b(*path,)2817 4425 y(int)g(flags\);)396 4542
1211 
y(void)430 b(GrDrawImageToFit)857 b(\(GR_DRAW_ID)52 b(id,)2817
1212 
4659 y(GR_GC_ID)g(gc,)2817 4775 y(GR_COORD)g(x,)p Black
1213 
3784 5278 a Fg(21)p Black eop
1214 
%%Page: 22 22
1215 
22 21 bop Black -2 67 a Fg(Chapter)24 b(1.)31 b(libnano-X)p
1216 
Black 2817 579 a Fc(GR_COORD)52 b(y,)2817 695 y(GR_SIZE)h(width,)2817
1217 
812 y(GR_SIZE)g(height,)2817 929 y(GR_IMAGE_ID)f(imageid\);)396
1218 
1045 y(void)430 b(GrDrawImageBits)911 b(\(GR_DRAW_ID)52
1219 
b(id,)2817 1162 y(GR_GC_ID)g(gc,)2817 1278 y(GR_COORD)g(x,)2817
1220 
1395 y(GR_COORD)g(y,)2817 1511 y(GR_IMAGE_HDR)g(*pimage\);)396
1221 
1628 y(void)430 b(GrText)1397 b(\(GR_DRAW_ID)52 b(id,)2817
1222 
1745 y(GR_GC_ID)g(gc,)2817 1861 y(GR_COORD)g(x,)2817
1223 
1978 y(GR_COORD)g(y,)2817 2094 y(void)h(*str,)2817 2211
1224 
y(GR_COUNT)f(count,)2817 2327 y(int)h(flags\);)396 2821
1225 
y Fe(Description)396 3336 y(Details)396 3681 y Fb(GrNe)n(wGC)34
1226 
b(\(\))396 3897 y Fc(GR_GC_ID)214 b(GrNewGC)1343 b(\(void\);)396
1227 
4126 y Fh(Creates)26 b(a)f(ne)n(w)f(graphics)h(conte)o(xt)f(structure)g
1228 
(and)h(returns)f(the)h(ID)g(used)g(to)f(refer)i(to)e(it.)31
1229 
b(The)396 4256 y(structure)25 b(is)f(initialised)f(with)h(a)h(set)g(of)
1230 
g(def)o(ault)f(parameters.)706 4567 y Fg(Returns)g Fh(:)50
1231 
b(the)24 b(ID)h(of)g(the)g(ne)n(wly)f(created)h(graphics)g(conte)o(xt)e
1232 
(or)i(0)g(on)f(error)p Black -2 5278 a Fg(22)p Black
1233 
eop
1234 
%%Page: 23 23
1235 
23 22 bop Black 3023 67 a Fg(Chapter)25 b(1.)30 b(libnano-X)p
1236 
Black 396 583 a Fb(GrCop)n(yGC)k(\(\))396 799 y Fc(GR_GC_ID)214
1237 
b(GrCopyGC)1289 b(\(GR_GC_ID)52 b(gc\);)396 1028 y Fh(Creates)26
1238 
b(a)f(ne)n(w)f(graphics)h(conte)o(xt)f(structure)g(and)h(\002lls)f(it)h
1239 
(in)f(with)g(the)h(v)n(alues)f(from)g(the)396 1158 y(speci\002ed)h
1240 
(already)g(e)o(xisting)e(graphics)i(conte)o(xt.)896 1470
1241 
y Fa(gc)g Fh(:)50 b(the)24 b(already)h(e)o(xisting)e(graphics)i(conte)o
1242 
(xt)e(to)i(cop)o(y)f(the)h(parameters)g(from)706 1624
1243 
y Fg(Returns)f Fh(:)50 b(the)24 b(ID)h(of)g(the)g(ne)n(wly)f(created)h
1244 
(graphics)g(conte)o(xt)e(or)i(0)g(on)f(error)396 2120
1245 
y Fb(GrGetGCInf)n(o)33 b(\(\))396 2337 y Fc(void)430
1246 
b(GrGetGCInfo)1127 b(\(GR_GC_ID)52 b(gc,)2817 2453 y(GR_GC_INFO)g
1247 
(*gcip\);)396 2682 y Fh(Fills)24 b(in)h(the)f(speci\002ed)i(GR_GC_INFO)
1248 
f(structure)g(with)f(information)f(re)o(garding)h(the)g(speci\002ed)396
1249 
2812 y(graphics)h(conte)o(xt.)896 3123 y Fa(gc)g Fh(:)50
1250 
b(a)25 b(graphics)f(conte)o(xt)777 3278 y Fa(gcip)g Fh(:)50
1251 
b(pointer)24 b(to)g(a)h(GR_GC_INFO)h(structure)396 3774
1252 
y Fb(GrDestr)n(o)n(yGC)34 b(\(\))396 3990 y Fc(void)430
1253 
b(GrDestroyGC)1127 b(\(GR_GC_ID)52 b(gc\);)396 4219 y
1254 
Fh(Destro)o(ys)24 b(the)h(graphics)f(conte)o(xt)g(structure)h(with)f
1255 
(the)g(speci\002ed)h(ID.)896 4531 y Fa(gc)g Fh(:)50 b(the)24
1256 
b(ID)h(of)g(the)g(graphics)f(conte)o(xt)g(structure)g(to)h(destro)o(y)p
1257 
Black 3784 5278 a Fg(23)p Black eop
1258 
%%Page: 24 24
1259 
24 23 bop Black -2 67 a Fg(Chapter)24 b(1.)31 b(libnano-X)p
1260 
Black 396 583 a Fb(GrLine)j(\(\))396 799 y Fc(void)430
1261 
b(GrLine)1397 b(\(GR_DRAW_ID)52 b(id,)2817 916 y(GR_GC_ID)g(gc,)2817
1262 
1032 y(GR_COORD)g(x1,)2817 1149 y(GR_COORD)g(y1,)2817
1263 
1266 y(GR_COORD)g(x2,)2817 1382 y(GR_COORD)g(y2\);)396
1264 
1611 y Fh(Dra)o(ws)25 b(a)g(line)f(using)g(the)h(speci\002ed)g
1265 
(graphics)f(conte)o(xt)g(on)g(the)h(speci\002ed)g(dra)o(w)o(able)g
1266 
(from)f(\(x1,)396 1741 y(y1\))h(to)f(\(x2,)h(y2\),)g(with)f
1267 
(coordinates)g(gi)n(v)o(en)f(relati)n(v)o(e)h(to)g(the)h(dra)o(w)o
1268 
(able.)893 2052 y Fa(id)j Fh(:)50 b(the)24 b(ID)h(of)g(the)g(dra)o(w)o
1269 
(able)f(to)h(dra)o(w)f(the)h(line)f(on)896 2207 y Fa(gc)h
1270 
Fh(:)50 b(the)24 b(ID)h(of)g(the)g(graphics)f(conte)o(xt)g(to)g(use)h
1271 
(when)g(dra)o(wing)f(the)g(line)897 2361 y Fa(x1)g Fh(:)50
1272 
b(the)24 b(X)h(coordinate)f(of)h(the)g(start)f(of)h(the)g(line)f
1273 
(relati)n(v)o(e)g(to)g(the)h(dra)o(w)o(able)897 2516
1274 
y Fa(y1)f Fh(:)50 b(the)24 b(Y)h(coordinate)f(of)h(the)g(start)f(of)h
1275 
(the)g(line)f(relati)n(v)o(e)g(to)g(the)h(dra)o(w)o(able)897
1276 
2670 y Fa(x2)f Fh(:)50 b(the)24 b(X)h(coordinate)f(of)h(the)g(end)g(of)
1277 
g(the)f(line)h(relati)n(v)o(e)e(to)i(the)f(dra)o(w)o(able)897
1278 
2824 y Fa(y2)g Fh(:)50 b(the)24 b(Y)h(coordinate)f(of)h(the)g(end)g(of)
1279 
g(the)f(line)h(relati)n(v)o(e)e(to)i(the)f(dra)o(w)o(able)396
1280 
3321 y Fb(GrP)-5 b(oint)33 b(\(\))396 3537 y Fc(void)430
1281 
b(GrPoint)1343 b(\(GR_DRAW_ID)52 b(id,)2817 3654 y(GR_GC_ID)g(gc,)2817
1282 
3770 y(GR_COORD)g(x,)2817 3887 y(GR_COORD)g(y\);)396
1283 
4116 y Fh(Dra)o(ws)25 b(a)g(point)f(using)f(the)i(speci\002ed)g
1284 
(graphics)g(conte)o(xt)e(at)i(the)g(speci\002ed)g(position)e(on)h(the)
1285 
396 4245 y(speci\002ed)h(dra)o(w)o(able.)893 4557 y Fa(id)j
1286 
Fh(:)50 b(the)24 b(ID)h(of)g(the)g(dra)o(w)o(able)f(to)h(dra)o(w)f(a)h
1287 
(point)f(on)896 4711 y Fa(gc)h Fh(:)50 b(the)24 b(ID)h(of)g(the)g
1288 
(graphics)f(conte)o(xt)g(to)g(use)h(when)g(dra)o(wing)f(the)g(point)p
1289 
Black -2 5278 a Fg(24)p Black eop
1290 
%%Page: 25 25
1291 
25 24 bop Black 3023 67 a Fg(Chapter)25 b(1.)30 b(libnano-X)p
1292 
Black 951 587 a Fa(x)g Fh(:)50 b(the)24 b(X)h(coordinate)f(to)h(dra)o
1293 
(w)f(the)h(point)f(at)h(relati)n(v)o(e)e(to)i(the)f(dra)o(w)o(able)948
1294 
741 y Fa(y)33 b Fh(:)50 b(the)24 b(Y)h(coordinate)f(to)h(dra)o(w)f(the)
1295 
h(point)f(at)h(relati)n(v)o(e)e(to)i(the)f(dra)o(w)o(able)396
1296 
1237 y Fb(GrP)-5 b(oints)34 b(\(\))396 1454 y Fc(void)430
1297 
b(GrPoints)1289 b(\(GR_DRAW_ID)52 b(id,)2817 1570 y(GR_GC_ID)g(gc,)2817
1298 
1687 y(GR_COUNT)g(count,)2817 1803 y(GR_POINT)g(*point-)396
1299 
1920 y(table\);)396 2149 y Fh(Dra)o(ws)25 b(a)g(set)f(of)h(points)f
1300 
(using)g(the)g(speci\002ed)h(graphics)g(conte)o(xt)e(at)i(the)g
1301 
(positions)e(speci\002ed)i(by)396 2278 y(the)g(point)f(table)g(on)h
1302 
(the)f(speci\002ed)h(dra)o(w)o(able.)893 2590 y Fa(id)j
1303 
Fh(:)50 b(the)24 b(ID)h(of)g(the)g(dra)o(w)o(able)f(to)h(dra)o(w)f(a)h
1304 
(point)f(on)896 2744 y Fa(gc)h Fh(:)50 b(the)24 b(ID)h(of)g(the)g
1305 
(graphics)f(conte)o(xt)g(to)g(use)h(when)g(dra)o(wing)f(the)g(point)717
1306 
2899 y Fa(count)g Fh(:)50 b(the)24 b(number)g(of)h(points)f(in)g(the)h
1307 
(point)f(table)443 3053 y Fa(pointtable)f Fh(:)i(pointer)f(to)g(a)h
1308 
(GR_POINT)h(array)f(which)g(lists)e(the)i(points)e(to)i(dra)o(w)396
1309 
3654 y Fb(GrRect)34 b(\(\))396 3870 y Fc(void)430 b(GrRect)1397
1310 
b(\(GR_DRAW_ID)52 b(id,)2817 3987 y(GR_GC_ID)g(gc,)2817
1311 
4104 y(GR_COORD)g(x,)2817 4220 y(GR_COORD)g(y,)2817 4337
1312 
y(GR_SIZE)h(width,)2817 4453 y(GR_SIZE)g(height\);)396
1313 
4682 y Fh(Dra)o(w)25 b(the)g(boundary)f(of)h(a)g(rectangle)g(of)g(the)f
1314 
(speci\002ed)h(dimensions)e(and)i(position)e(on)i(the)396
1315 
4812 y(speci\002ed)g(dra)o(w)o(able)g(using)f(the)g(speci\002ed)h
1316 
(graphics)g(conte)o(xt.)p Black 3784 5278 a Fg(25)p Black
1317 
eop
1318 
%%Page: 26 26
1319 
26 25 bop Black -2 67 a Fg(Chapter)24 b(1.)31 b(libnano-X)p
1320 
Black 893 587 a Fa(id)d Fh(:)50 b(the)24 b(ID)h(of)g(the)g(dra)o(w)o
1321 
(able)f(to)h(dra)o(w)f(the)h(rectangle)g(on)896 741 y
1322 
Fa(gc)g Fh(:)50 b(the)24 b(ID)h(of)g(the)g(graphics)f(conte)o(xt)g(to)g
1323 
(use)h(when)g(dra)o(wing)f(the)g(rectangle)951 895 y
1324 
Fa(x)30 b Fh(:)50 b(the)24 b(X)h(coordinate)f(of)h(the)g(rectangle)g
1325 
(relati)n(v)o(e)f(to)g(the)h(dra)o(w)o(able)948 1050
1326 
y Fa(y)33 b Fh(:)50 b(the)24 b(Y)h(coordinate)f(of)h(the)g(rectangle)g
1327 
(relati)n(v)o(e)f(to)g(the)h(dra)o(w)o(able)717 1204
1328 
y Fa(width)f Fh(:)50 b(the)24 b(width)g(of)h(the)g(rectangle)657
1329 
1359 y Fa(height)f Fh(:)50 b(the)24 b(height)g(of)h(the)g(rectangle)396
1330 
1855 y Fb(GrFillRect)35 b(\(\))396 2071 y Fc(void)430
1331 
b(GrFillRect)1181 b(\(GR_DRAW_ID)52 b(id,)2817 2188 y(GR_GC_ID)g(gc,)
1332 
2817 2304 y(GR_COORD)g(x,)2817 2421 y(GR_COORD)g(y,)2817
1333 
2537 y(GR_SIZE)h(width,)2817 2654 y(GR_SIZE)g(height\);)396
1334 
2883 y Fh(Dra)o(w)25 b(a)g(\002lled)g(rectangle)g(of)g(the)f
1335 
(speci\002ed)h(dimensions)e(and)i(position)e(on)i(the)f(speci\002ed)396
1336 
3013 y(dra)o(w)o(able)h(using)f(the)g(speci\002ed)h(graphics)g(conte)o
1337 
(xt.)893 3324 y Fa(id)j Fh(:)50 b(the)24 b(ID)h(of)g(the)g(dra)o(w)o
1338 
(able)f(to)h(dra)o(w)f(the)h(rectangle)g(on)896 3479
1339 
y Fa(gc)g Fh(:)50 b(the)24 b(ID)h(of)g(the)g(graphics)f(conte)o(xt)g
1340 
(to)g(use)h(when)g(dra)o(wing)f(the)g(rectangle)951 3633
1341 
y Fa(x)30 b Fh(:)50 b(the)24 b(X)h(coordinate)f(of)h(the)g(rectangle)g
1342 
(relati)n(v)o(e)f(to)g(the)h(dra)o(w)o(able)948 3788
1343 
y Fa(y)33 b Fh(:)50 b(the)24 b(Y)h(coordinate)f(of)h(the)g(rectangle)g
1344 
(relati)n(v)o(e)f(to)g(the)h(dra)o(w)o(able)717 3942
1345 
y Fa(width)f Fh(:)50 b(the)24 b(width)g(of)h(the)g(rectangle)657
1346 
4096 y Fa(height)f Fh(:)50 b(the)24 b(height)g(of)h(the)g(rectangle)396
1347 
4593 y Fb(GrP)-5 b(ol)n(y)34 b(\(\))396 4809 y Fc(void)430
1348 
b(GrPoly)1397 b(\(GR_DRAW_ID)52 b(id,)p Black -2 5278
1349 
a Fg(26)p Black eop
1350 
%%Page: 27 27
1351 
27 26 bop Black 3023 67 a Fg(Chapter)25 b(1.)30 b(libnano-X)p
1352 
Black 2817 579 a Fc(GR_GC_ID)52 b(gc,)2817 695 y(GR_COUNT)g(count,)2817
1353 
812 y(GR_POINT)g(*point-)396 929 y(table\);)396 1158
1354 
y Fh(Dra)o(ws)25 b(an)g(un\002lled)f(polygon)f(on)i(the)g(speci\002ed)g
1355 
(dra)o(w)o(able)f(using)g(the)h(speci\002ed)g(graphics)396
1356 
1287 y(conte)o(xt.)30 b(The)25 b(polygon)e(is)i(speci\002ed)g(by)f(an)h
1357 
(array)h(of)f(point)e(structures.)30 b(The)25 b(polygon)f(is)g(not)396
1358 
1417 y(automatically)g(closed-)g(if)h(a)g(closed)g(polygon)e(is)h
1359 
(desired,)h(the)g(last)f(point)g(must)f(be)i(the)g(same)f(as)396
1360 
1546 y(the)h(\002rst.)893 1838 y Fa(id)j Fh(:)50 b(the)24
1361 
b(ID)h(of)g(the)g(dra)o(w)o(able)f(to)h(dra)o(w)f(the)h(polygon)e(onto)
1362 
896 1992 y Fa(gc)i Fh(:)50 b(the)24 b(ID)h(of)g(the)g(graphics)f(conte)
1363 
o(xt)g(to)g(use)h(when)g(dra)o(wing)f(the)g(polygon)717
1364 
2146 y Fa(count)g Fh(:)50 b(the)24 b(number)g(of)h(points)f(in)g(the)h
1365 
(point)f(array)443 2301 y Fa(pointtable)f Fh(:)i(pointer)f(to)g(an)h
1366 
(array)h(of)f(points)e(describing)h(the)h(polygon)396
1367 
2922 y Fb(GrFillP)-5 b(ol)n(y)35 b(\(\))396 3138 y Fc(void)430
1368 
b(GrFillPoly)1181 b(\(GR_DRAW_ID)52 b(id,)2817 3255 y(GR_GC_ID)g(gc,)
1369 
2817 3371 y(GR_COUNT)g(count,)2817 3488 y(GR_POINT)g(*point-)396
1370 
3605 y(table\);)396 3834 y Fh(Dra)o(ws)25 b(a)g(\002lled)g(polygon)e
1371 
(on)i(the)f(speci\002ed)h(dra)o(w)o(able)g(using)f(the)g(speci\002ed)h
1372 
(graphics)g(conte)o(xt.)396 3963 y(The)g(polygon)f(is)g(speci\002ed)h
1373 
(by)g(an)f(array)i(of)f(point)f(structures.)30 b(The)25
1374 
b(polygon)e(is)h(automatically)396 4093 y(closed-)h(the)g(last)f(point)
1375 
g(need)h(not)f(be)h(the)f(same)h(as)g(the)g(\002rst)f(in)h(order)g(for)
1376 
g(the)g(polygon)e(to)i(be)396 4222 y(closed.)893 4514
1377 
y Fa(id)j Fh(:)50 b(the)24 b(ID)h(of)g(the)g(dra)o(w)o(able)f(to)h(dra)
1378 
o(w)f(the)h(polygon)e(onto)896 4668 y Fa(gc)i Fh(:)50
1379 
b(the)24 b(ID)h(of)g(the)g(graphics)f(conte)o(xt)g(to)g(use)h(when)g
1380 
(dra)o(wing)f(the)g(polygon)717 4822 y Fa(count)g Fh(:)50
1381 
b(the)24 b(number)g(of)h(points)f(in)g(the)h(point)f(array)p
1382 
Black 3780 5278 a Fg(27)p Black eop
1383 
%%Page: 28 28
1384 
28 27 bop Black -2 67 a Fg(Chapter)24 b(1.)31 b(libnano-X)p
1385 
Black 443 587 a Fa(pointtable)23 b Fh(:)i(pointer)f(to)g(an)h(array)h
1386 
(of)f(points)e(describing)h(the)h(polygon)396 1208 y
1387 
Fb(GrEllipse)34 b(\(\))396 1424 y Fc(void)430 b(GrEllipse)1235
1388 
b(\(GR_DRAW_ID)52 b(id,)2817 1541 y(GR_GC_ID)g(gc,)2817
1389 
1657 y(GR_COORD)g(x,)2817 1774 y(GR_COORD)g(y,)2817 1890
1390 
y(GR_SIZE)h(rx,)2817 2007 y(GR_SIZE)g(ry\);)396 2236
1391 
y Fh(Dra)o(ws)25 b(the)f(boundary)h(of)f(ellipse)g(at)h(the)g
1392 
(speci\002ed)g(position)e(using)h(the)g(speci\002ed)i(dimensions)396
1393 
2365 y(and)f(graphics)f(conte)o(xt)g(on)h(the)f(speci\002ed)h(dra)o(w)o
1394 
(able.)893 2677 y Fa(id)j Fh(:)50 b(the)24 b(ID)h(of)g(the)g(dra)o(w)o
1395 
(able)f(to)h(dra)o(w)f(the)h(ellipse)f(on)896 2831 y
1396 
Fa(gc)h Fh(:)50 b(the)24 b(ID)h(of)g(the)g(graphics)f(conte)o(xt)g(to)g
1397 
(use)h(when)g(dra)o(wing)f(the)g(ellipse)951 2986 y Fa(x)30
1398 
b Fh(:)50 b(the)24 b(X)h(coordinate)f(to)h(dra)o(w)f(the)h(ellipse)f
1399 
(at)h(relati)n(v)o(e)f(to)g(the)h(dra)o(w)o(able)948
1400 
3140 y Fa(y)33 b Fh(:)50 b(the)24 b(Y)h(coordinate)f(to)h(dra)o(w)f
1401 
(the)h(ellipse)f(at)h(relati)n(v)o(e)f(to)g(the)h(dra)o(w)o(able)891
1402 
3295 y Fa(rx)30 b Fh(:)50 b(the)24 b(radius)h(of)f(the)h(ellipse)f(on)h
1403 
(the)f(X)h(axis)888 3449 y Fa(ry)33 b Fh(:)50 b(the)24
1404 
b(radius)h(of)f(the)h(ellipse)f(on)h(the)f(Y)h(axis)396
1405 
3946 y Fb(GrFillEllipse)35 b(\(\))396 4162 y Fc(void)430
1406 
b(GrFillEllipse)1019 b(\(GR_DRAW_ID)52 b(id,)2817 4278
1407 
y(GR_GC_ID)g(gc,)2817 4395 y(GR_COORD)g(x,)2817 4511
1408 
y(GR_COORD)g(y,)2817 4628 y(GR_SIZE)h(rx,)2817 4745 y(GR_SIZE)g(ry\);)p
1409 
Black -2 5278 a Fg(28)p Black eop
1410 
%%Page: 29 29
1411 
29 28 bop Black 3023 67 a Fg(Chapter)25 b(1.)30 b(libnano-X)p
1412 
Black 396 579 a Fh(Dra)o(ws)25 b(a)g(\002lled)g(ellipse)f(at)g(the)h
1413 
(speci\002ed)g(position)e(using)h(the)h(speci\002ed)g(dimensions)d(and)
1414 
396 708 y(graphics)j(conte)o(xt)e(on)i(the)g(speci\002ed)g(dra)o(w)o
1415 
(able.)893 1020 y Fa(id)j Fh(:)50 b(the)24 b(ID)h(of)g(the)g(dra)o(w)o
1416 
(able)f(to)h(dra)o(w)f(the)h(\002lled)g(ellipse)f(on)896
1417 
1174 y Fa(gc)h Fh(:)50 b(the)24 b(ID)h(of)g(the)g(graphics)f(conte)o
1418 
(xt)g(to)g(use)h(when)g(dra)o(wing)f(the)g(ellipse)951
1419 
1329 y Fa(x)30 b Fh(:)50 b(the)24 b(X)h(coordinate)f(to)h(dra)o(w)f
1420 
(the)h(ellipse)f(at)h(relati)n(v)o(e)f(to)g(the)h(dra)o(w)o(able)948
1421 
1483 y Fa(y)33 b Fh(:)50 b(the)24 b(Y)h(coordinate)f(to)h(dra)o(w)f
1422 
(the)h(ellipse)f(at)h(relati)n(v)o(e)f(to)g(the)h(dra)o(w)o(able)891
1423 
1638 y Fa(rx)30 b Fh(:)50 b(the)24 b(radius)h(of)f(the)h(ellipse)f(on)h
1424 
(the)f(X)h(axis)888 1792 y Fa(ry)33 b Fh(:)50 b(the)24
1425 
b(radius)h(of)f(the)h(ellipse)f(on)h(the)f(Y)h(axis)396
1426 
2289 y Fb(GrAr)n(c)33 b(\(\))396 2505 y Fc(void)430 b(GrArc)1451
1427 
b(\(GR_DRAW_ID)52 b(id,)2817 2621 y(GR_GC_ID)g(gc,)2817
1428 
2738 y(GR_COORD)g(x,)2817 2854 y(GR_COORD)g(y,)2817 2971
1429 
y(GR_SIZE)h(rx,)2817 3088 y(GR_SIZE)g(ry,)2817 3204 y(GR_COORD)f(ax,)
1430 
2817 3321 y(GR_COORD)g(ay,)2817 3437 y(GR_COORD)g(bx,)2817
1431 
3554 y(GR_COORD)g(by,)2817 3670 y(int)h(type\);)396 3899
1432 
y Fh(Dra)o(ws)25 b(an)g(arc)g(with)f(the)h(speci\002ed)g(dimensions)e
1433 
(at)i(the)f(speci\002ed)h(position)e(on)i(the)g(speci\002ed)396
1434 
4029 y(dra)o(w)o(able)g(using)f(the)g(speci\002ed)h(graphics)g(conte)o
1435 
(xt.)k(The)c(type)g(speci\002es)g(the)f(\002ll)h(type.)30
1436 
b(Possible)396 4158 y(v)n(alues)24 b(include)g(GR_ARC)i(and)f(GR_PIE.)
1437 
893 4460 y Fa(id)j Fh(:)50 b(the)24 b(ID)h(of)g(the)g(dra)o(w)o(able)f
1438 
(to)h(dra)o(w)f(the)h(arc)g(on)896 4615 y Fa(gc)g Fh(:)50
1439 
b(the)24 b(graphics)h(conte)o(xt)e(to)i(use)f(when)h(dra)o(wing)f(the)h
1440 
(arc)951 4769 y Fa(x)30 b Fh(:)50 b(the)24 b(X)h(coordinate)f(to)h(dra)
1441 
o(w)f(the)h(arc)h(at)e(relati)n(v)o(e)g(to)h(the)f(dra)o(w)o(able)p
1442 
Black 3784 5278 a Fg(29)p Black eop
1443 
%%Page: 30 30
1444 
30 29 bop Black -2 67 a Fg(Chapter)24 b(1.)31 b(libnano-X)p
1445 
Black 948 587 a Fa(y)i Fh(:)50 b(the)24 b(Y)h(coordinate)f(to)h(dra)o
1446 
(w)f(the)h(arc)h(at)e(relati)n(v)o(e)g(to)h(the)f(dra)o(w)o(able)891
1447 
741 y Fa(rx)30 b Fh(:)50 b(the)24 b(radius)h(of)f(the)h(arc)h(on)e(the)
1448 
h(X)g(axis)888 895 y Fa(ry)33 b Fh(:)50 b(the)24 b(radius)h(of)f(the)h
1449 
(arc)h(on)e(the)h(Y)g(axis)891 1050 y Fa(ax)30 b Fh(:)50
1450 
b(the)24 b(X)h(coordinate)f(of)h(the)g(start)f(of)h(the)g(arc)h(relati)
1451 
n(v)o(e)d(to)i(the)f(dra)o(w)o(able)888 1204 y Fa(ay)33
1452 
b Fh(:)50 b(the)24 b(Y)h(coordinate)f(of)h(the)g(start)f(of)h(the)g
1453 
(arc)h(relati)n(v)o(e)d(to)i(the)f(dra)o(w)o(able)891
1454 
1359 y Fa(bx)30 b Fh(:)50 b(the)24 b(X)h(coordinate)f(of)h(the)g(end)g
1455 
(of)g(the)f(arc)i(relati)n(v)o(e)e(to)g(the)h(dra)o(w)o(able)888
1456 
1513 y Fa(by)33 b Fh(:)50 b(the)24 b(Y)h(coordinate)f(of)h(the)g(end)g
1457 
(of)g(the)f(arc)i(relati)n(v)o(e)e(to)g(the)h(dra)o(w)o(able)777
1458 
1667 y Fa(type)f Fh(:)50 b(the)24 b(\002ll)h(style)f(to)g(use)h(when)g
1459 
(dra)o(wing)f(the)g(arc)396 2174 y Fb(GrAr)n(cAngle)34
1460 
b(\(\))396 2390 y Fc(void)430 b(GrArcAngle)1181 b(\(GR_DRAW_ID)52
1461 
b(id,)2817 2507 y(GR_GC_ID)g(gc,)2817 2623 y(GR_COORD)g(x,)2817
1462 
2740 y(GR_COORD)g(y,)2817 2856 y(GR_SIZE)h(rx,)2817 2973
1463 
y(GR_SIZE)g(ry,)2817 3089 y(GR_COORD)f(angle1,)2817 3206
1464 
y(GR_COORD)g(angle2,)2817 3322 y(int)h(type\);)396 3552
1465 
y Fh(Dra)o(ws)25 b(an)g(arc)g(with)f(the)h(speci\002ed)g(dimensions)e
1466 
(at)i(the)f(speci\002ed)h(position)e(on)i(the)g(speci\002ed)396
1467 
3681 y(dra)o(w)o(able)g(using)f(the)g(speci\002ed)h(graphics)g(conte)o
1468 
(xt.)k(The)c(type)g(speci\002es)g(the)f(\002ll)h(type.)30
1469 
b(Possible)396 3811 y(v)n(alues)24 b(include)g(GR_ARC)i(and)f(GR_PIE.)h
1470 
(This)e(function)g(requires)g(\003oating)h(point)e(support,)396
1471 
3940 y(and)i(is)f(slightly)f(slo)n(wer)h(than)h(the)f(GrArc\(\))i
1472 
(function)e(which)g(does)h(not)f(require)h(\003oating)g(point.)893
1473 
4252 y Fa(id)j Fh(:)50 b(the)24 b(ID)h(of)g(the)g(dra)o(w)o(able)f(to)h
1474 
(dra)o(w)f(the)h(arc)g(on)896 4406 y Fa(gc)g Fh(:)50
1475 
b(the)24 b(graphics)h(conte)o(xt)e(to)i(use)f(when)h(dra)o(wing)f(the)h
1476 
(arc)951 4561 y Fa(x)30 b Fh(:)50 b(the)24 b(X)h(coordinate)f(to)h(dra)
1477 
o(w)f(the)h(arc)h(at)e(relati)n(v)o(e)g(to)h(the)f(dra)o(w)o(able)948
1478 
4715 y Fa(y)33 b Fh(:)50 b(the)24 b(Y)h(coordinate)f(to)h(dra)o(w)f
1479 
(the)h(arc)h(at)e(relati)n(v)o(e)g(to)h(the)f(dra)o(w)o(able)p
1480 
Black -2 5278 a Fg(30)p Black eop
1481 
%%Page: 31 31
1482 
31 30 bop Black 3023 67 a Fg(Chapter)25 b(1.)30 b(libnano-X)p
1483 
Black 891 587 a Fa(rx)g Fh(:)50 b(the)24 b(radius)h(of)f(the)h(arc)h
1484 
(on)e(the)h(X)g(axis)888 741 y Fa(ry)33 b Fh(:)50 b(the)24
1485 
b(radius)h(of)f(the)h(arc)h(on)e(the)h(Y)g(axis)657 895
1486 
y Fa(angle1)f Fh(:)50 b(the)24 b(angle)h(of)g(the)f(start)h(of)g(the)f
1487 
(arc)657 1050 y Fa(angle2)g Fh(:)50 b(the)24 b(angle)h(of)g(the)f(end)h
1488 
(of)g(the)g(arc)777 1204 y Fa(type)f Fh(:)50 b(the)24
1489 
b(\002ll)h(style)f(to)g(use)h(when)g(dra)o(wing)f(the)g(arc)396
1490 
1701 y Fb(GrSetGCForegr)n(ound)33 b(\(\))396 1917 y Fc(void)430
1491 
b(GrSetGCForeground)803 b(\(GR_GC_ID)52 b(gc,)2817 2033
1492 
y(GR_COLOR)g(fore-)396 2150 y(ground\);)396 2379 y Fh(Changes)25
1493 
b(the)g(fore)o(ground)f(colour)g(of)h(the)g(speci\002ed)g(graphics)f
1494 
(conte)o(xt)g(to)h(the)f(speci\002ed)h(colour)-5 b(.)896
1495 
2691 y Fa(gc)25 b Fh(:)50 b(the)24 b(ID)h(of)g(the)g(graphics)f(conte)o
1496 
(xt)g(to)g(set)h(the)g(fore)o(ground)f(colour)g(of)439
1497 
2845 y Fa(foreground)j Fh(:)e(the)f(colour)h(to)f(use)h(as)g(the)f(ne)n
1498 
(w)h(fore)o(ground)f(colour)396 3446 y Fb(GrSetGCBac)n(kgr)n(ound)34
1499 
b(\(\))396 3662 y Fc(void)430 b(GrSetGCBackground)803
1500 
b(\(GR_GC_ID)52 b(gc,)2817 3779 y(GR_COLOR)g(back-)396
1501 
3895 y(ground\);)396 4125 y Fh(Changes)24 b(the)f(background)g(colour)g
1502 
(of)g(the)h(speci\002ed)f(graphics)g(conte)o(xt)f(to)h(the)h
1503 
(speci\002ed)f(colour)-5 b(.)896 4436 y Fa(gc)25 b Fh(:)50
1504 
b(the)24 b(ID)h(of)g(the)g(graphics)f(conte)o(xt)g(to)g(set)h(the)g
1505 
(background)f(colour)g(of)439 4591 y Fa(background)j
1506 
Fh(:)e(the)f(colour)h(to)f(use)h(as)g(the)f(ne)n(w)h(background)f
1507 
(colour)p Black 3784 5278 a Fg(31)p Black eop
1508 
%%Page: 32 32
1509 
32 31 bop Black -2 67 a Fg(Chapter)24 b(1.)31 b(libnano-X)p
1510 
Black 396 583 a Fb(GrSetGCUseBac)n(kgr)n(ound)k(\(\))396
1511 
799 y Fc(void)430 b(GrSetGCUseBackground)641 b(\(GR_GC_ID)52
1512 
b(gc,)2817 916 y(GR_BOOL)h(flag\);)396 1145 y Fh(Sets)25
1513 
b(the)g(\003ag)g(which)g(chooses)f(whether)h(or)g(not)f(the)h
1514 
(background)f(colour)g(is)h(used)f(when)396 1275 y(dra)o(wing)g
1515 
(bitmaps)g(and)g(te)o(xt)g(using)g(the)h(speci\002ed)g(graphics)f
1516 
(conte)o(xt)g(to)g(the)h(speci\002ed)g(v)n(alue.)896
1517 
1586 y Fa(gc)g Fh(:)50 b(the)23 b(ID)g(of)h(the)f(graphics)g(conte)o
1518 
(xt)f(to)h(change)g(the)g("use)g(background")f(\003ag)i(of)771
1519 
1741 y Fa(flag)30 b Fh(:)50 b(\003ag)25 b(specifying)f(whether)h(to)f
1520 
(use)h(the)f(background)h(colour)f(or)h(not)396 2237
1521 
y Fb(GrSetGCMode)34 b(\(\))396 2453 y Fc(void)430 b(GrSetGCMode)1127
1522 
b(\(GR_GC_ID)52 b(gc,)2817 2570 y(int)h(mode\);)396 2799
1523 
y Fh(Changes)25 b(the)g(dra)o(wing)f(mode)g(\(SET)-7
1524 
b(,)25 b(XOR,)g(OR,)g(AND,)g(etc.\))g(of)g(the)f(speci\002ed)i
1525 
(graphics)396 2928 y(conte)o(xt)e(to)g(the)h(speci\002ed)g(mode.)896
1526 
3240 y Fa(gc)g Fh(:)50 b(the)24 b(ID)h(of)g(the)g(graphics)f(conte)o
1527 
(xt)g(to)g(set)h(the)g(dra)o(wing)e(mode)i(of)777 3394
1528 
y Fa(mode)f Fh(:)50 b(the)24 b(ne)n(w)h(dra)o(wing)e(mode)396
1529 
3891 y Fb(GrSetGCFont)33 b(\(\))396 4107 y Fc(void)430
1530 
b(GrSetGCFont)1127 b(\(GR_GC_ID)52 b(gc,)2817 4223 y(GR_FONT_ID)g
1531 
(font\);)396 4453 y Fh(Sets)25 b(the)g(font)f(to)h(be)g(used)f(for)h
1532 
(te)o(xt)f(dra)o(wing)g(in)g(the)h(speci\002ed)g(graphics)g(conte)o(xt)
1533 
e(to)i(the)396 4582 y(speci\002ed)g(font)g(ID.)p Black
1534 
-2 5278 a Fg(32)p Black eop
1535 
%%Page: 33 33
1536 
33 32 bop Black 3023 67 a Fg(Chapter)25 b(1.)30 b(libnano-X)p
1537 
Black 896 587 a Fa(gc)25 b Fh(:)50 b(the)24 b(ID)h(of)g(the)g(graphics)
1538 
f(conte)o(xt)g(to)g(set)h(the)g(font)f(of)777 741 y Fa(font)g
1539 
Fh(:)50 b(the)24 b(ID)h(of)g(the)g(font)396 1237 y Fb(GrGetGCT)-7
1540 
b(e)n(xtSiz)q(e)35 b(\(\))396 1454 y Fc(void)430 b(GrGetGCTextSize)911
1541 
b(\(GR_GC_ID)52 b(gc,)2817 1570 y(void)h(*str,)2817 1687
1542 
y(int)g(count,)2817 1803 y(int)g(flags,)2817 1920 y(GR_SIZE)g
1543 
(*retwidth,)2817 2036 y(GR_SIZE)g(*retheight,)2817 2153
1544 
y(GR_SIZE)g(*retbase\);)396 2382 y Fh(Calculates)25 b(the)g(dimensions)
1545 
e(of)i(the)f(speci\002ed)h(te)o(xt)f(string)g(using)g(the)g(current)h
1546 
(font)g(and)g(\003ags)g(in)396 2512 y(the)g(speci\002ed)g(graphics)f
1547 
(conte)o(xt.)30 b(The)25 b(count)f(ar)n(gument)h(can)g(be)g(-1)g(if)f
1548 
(the)h(string)f(is)g(null)396 2641 y(terminated.)896
1549 
2932 y Fa(gc)h Fh(:)50 b(the)24 b(graphics)h(conte)o(xt)833
1550 
3087 y Fa(str)j Fh(:)50 b(pointer)24 b(to)g(a)h(te)o(xt)f(string)717
1551 
3241 y Fa(count)g Fh(:)50 b(the)24 b(length)g(of)h(the)g(string)717
1552 
3396 y Fa(flags)f Fh(:)50 b(te)o(xt)23 b(rendering)i(\003ags)g
1553 
(\(GR_TF*\))538 3550 y Fa(retwidth)e Fh(:)50 b(pointer)24
1554 
b(to)g(the)h(v)n(ariable)f(the)h(width)f(will)f(be)i(returned)g(in)478
1555 
3705 y Fa(retheight)e Fh(:)50 b(pointer)24 b(to)g(the)h(v)n(ariable)f
1556 
(the)h(height)f(will)g(be)h(returned)f(in)598 3859 y
1557 
Fa(retbase)f Fh(:)50 b(pointer)24 b(to)g(the)h(v)n(ariable)f(the)h
1558 
(baseline)f(height)g(will)g(be)h(returned)g(in)396 4376
1559 
y Fb(GrReadArea)35 b(\(\))396 4592 y Fc(void)430 b(GrReadArea)1181
1560 
b(\(GR_DRAW_ID)52 b(id,)2817 4708 y(GR_COORD)g(x,)2817
1561 
4825 y(GR_COORD)g(y,)p Black 3784 5278 a Fg(33)p Black
1562 
eop
1563 
%%Page: 34 34
1564 
34 33 bop Black -2 67 a Fg(Chapter)24 b(1.)31 b(libnano-X)p
1565 
Black 2817 579 a Fc(GR_SIZE)53 b(width,)2817 695 y(GR_SIZE)g(height,)
1566 
2817 812 y(GR_PIXELVAL)f(*pix-)396 929 y(els\);)396 1158
1567 
y Fh(Reads)26 b(the)e(pix)o(el)g(data)h(of)g(the)f(speci\002ed)h(size)g
1568 
(from)g(the)g(speci\002ed)g(position)e(on)h(the)h(speci\002ed)396
1569 
1287 y(dra)o(w)o(able)g(into)f(the)g(speci\002ed)h(pix)o(el)f(array)-6
1570 
b(.)31 b(If)25 b(the)g(dra)o(w)o(able)g(is)f(a)h(windo)n(w)-6
1571 
b(,)23 b(the)h(data)h(returned)396 1417 y(will)f(be)h(the)g(pix)o(el)e
1572 
(v)n(alues)h(from)h(the)g(rele)n(v)n(ant)e(position)g(on)i(the)g
1573 
(screen)g(re)o(gardless)f(of)h(whether)396 1546 y(the)g(windo)n(w)e(is)
1574 
i(obscured)f(by)h(other)f(windo)n(ws.)29 b(If)d(the)e(windo)n(w)g(is)g
1575 
(unmapped,)g(or)h(partially)f(or)396 1676 y(fully)g(outside)g(a)h
1576 
(windo)n(w)f(boundary)-6 b(,)23 b(black)i(pix)o(el)f(v)n(alues)g(will)g
1577 
(be)g(returned.)893 1987 y Fa(id)k Fh(:)50 b(the)24 b(ID)h(of)g(the)g
1578 
(dra)o(w)o(able)f(to)h(read)g(an)g(area)h(from)951 2142
1579 
y Fa(x)k Fh(:)50 b(the)24 b(X)h(coordinate)f(to)h(read)g(the)g(area)h
1580 
(from)e(relati)n(v)o(e)g(to)g(the)h(dra)o(w)o(able)948
1581 
2296 y Fa(y)33 b Fh(:)50 b(the)24 b(Y)h(coordinate)f(to)h(read)g(the)g
1582 
(area)h(from)e(relati)n(v)o(e)g(to)g(the)h(dra)o(w)o(able)717
1583 
2451 y Fa(width)f Fh(:)50 b(the)24 b(width)g(of)h(the)g(area)g(to)g
1584 
(read)657 2605 y Fa(height)f Fh(:)50 b(the)24 b(height)g(of)h(the)g
1585 
(area)g(to)g(read)657 2759 y Fa(pixels)f Fh(:)50 b(pointer)24
1586 
b(to)g(an)h(area)h(of)f(memory)f(to)g(place)h(the)g(pix)o(el)f(data)g
1587 
(in)396 3256 y Fb(GrArea)34 b(\(\))396 3472 y Fc(void)430
1588 
b(GrArea)1397 b(\(GR_DRAW_ID)52 b(id,)2817 3589 y(GR_GC_ID)g(gc,)2817
1589 
3705 y(GR_COORD)g(x,)2817 3822 y(GR_COORD)g(y,)2817 3938
1590 
y(GR_SIZE)h(width,)2817 4055 y(GR_SIZE)g(height,)2817
1591 
4171 y(void)g(*pixels,)2817 4288 y(int)g(pixtype\);)396
1592 
4517 y Fh(Dra)o(ws)25 b(the)f(speci\002ed)h(pix)o(el)f(array)i(of)f
1593 
(the)f(speci\002ed)h(size)g(and)g(format)f(onto)g(the)h(speci\002ed)396
1594 
4647 y(dra)o(w)o(able)g(using)f(the)g(speci\002ed)h(graphics)g(conte)o
1595 
(xt)e(at)i(the)g(speci\002ed)g(position.)k(Note)24 b(that)h(colour)396
1596 
4776 y(con)l(v)o(ersion)f(is)g(currently)h(only)f(performed)h(when)f
1597 
(using)g(the)h(GR_PF_RGB)h(format,)f(which)f(is)p Black
1598 
-2 5278 a Fg(34)p Black eop
1599 
%%Page: 35 35
1600 
35 34 bop Black 3023 67 a Fg(Chapter)25 b(1.)30 b(libnano-X)p
1601 
Black 396 579 a Fh(an)25 b(unsigned)f(long)g(containing)f(RGBX)j(data.)
1602 
893 890 y Fa(id)i Fh(:)50 b(the)24 b(ID)h(of)g(the)g(dra)o(w)o(able)f
1603 
(to)h(dra)o(w)f(the)h(area)h(onto)896 1045 y Fa(gc)f
1604 
Fh(:)50 b(the)24 b(ID)h(of)g(the)g(graphics)f(conte)o(xt)g(to)g(use)h
1605 
(when)g(dra)o(wing)f(the)g(area)951 1199 y Fa(x)30 b
1606 
Fh(:)50 b(the)24 b(X)h(coordinate)f(to)h(dra)o(w)f(the)h(area)h(at)f
1607 
(relati)n(v)o(e)e(to)i(the)f(dra)o(w)o(able)948 1354
1608 
y Fa(y)33 b Fh(:)50 b(the)24 b(Y)h(coordinate)f(to)h(dra)o(w)f(the)h
1609 
(area)h(at)f(relati)n(v)o(e)e(to)i(the)f(dra)o(w)o(able)717
1610 
1508 y Fa(width)g Fh(:)50 b(the)24 b(width)g(of)h(the)g(area)657
1611 
1663 y Fa(height)f Fh(:)50 b(the)24 b(height)g(of)h(the)g(area)657
1612 
1817 y Fa(pixels)f Fh(:)50 b(pointer)24 b(to)g(an)h(array)h(containing)
1613 
d(the)i(pix)o(el)e(data)598 1971 y Fa(pixtype)g Fh(:)50
1614 
b(the)24 b(format)h(of)g(the)f(pix)o(el)g(data)396 2468
1615 
y Fb(GrCop)n(yArea)35 b(\(\))396 2684 y Fc(void)430 b(GrCopyArea)1181
1616 
b(\(GR_DRAW_ID)52 b(id,)2817 2801 y(GR_GC_ID)g(gc,)2817
1617 
2917 y(GR_COORD)g(x,)2817 3034 y(GR_COORD)g(y,)2817 3150
1618 
y(GR_SIZE)h(width,)2817 3267 y(GR_SIZE)g(height,)2817
1619 
3383 y(GR_DRAW_ID)f(srcid,)2817 3500 y(GR_COORD)g(srcx,)2817
1620 
3617 y(GR_COORD)g(srcy,)2817 3733 y(int)h(op\);)396 3962
1621 
y Fh(Copies)25 b(the)g(speci\002ed)g(area)g(of)g(the)g(speci\002ed)g
1622 
(size)g(between)g(the)f(speci\002ed)h(dra)o(w)o(ables)g(at)g(the)396
1623 
4092 y(speci\002ed)g(positions)e(using)h(the)h(speci\002ed)g(graphics)f
1624 
(conte)o(xt)g(and)h(R)l(OP)g(codes.)31 b(0)25 b(is)f(a)h(sensible)396
1625 
4221 y(def)o(ault)g(R)l(OP)h(code)f(in)f(most)g(cases.)893
1626 
4513 y Fa(id)k Fh(:)50 b(the)24 b(ID)h(of)g(the)g(dra)o(w)o(able)f(to)h
1627 
(cop)o(y)f(the)h(area)h(to)896 4667 y Fa(gc)f Fh(:)50
1628 
b(the)24 b(ID)h(of)g(the)g(graphics)f(conte)o(xt)g(to)g(use)h(when)g
1629 
(cop)o(ying)f(the)g(area)951 4821 y Fa(x)30 b Fh(:)50
1630 
b(the)24 b(X)h(coordinate)f(to)h(cop)o(y)f(the)h(area)h(to)e(within)g
1631 
(the)h(destination)e(dra)o(w)o(able)p Black 3784 5278
1632 
a Fg(35)p Black eop
1633 
%%Page: 36 36
1634 
36 35 bop Black -2 67 a Fg(Chapter)24 b(1.)31 b(libnano-X)p
1635 
Black 948 587 a Fa(y)i Fh(:)50 b(the)24 b(Y)h(coordinate)f(to)h(cop)o
1636 
(y)f(the)h(area)h(to)e(within)g(the)h(destination)e(dra)o(w)o(able)717
1637 
741 y Fa(width)h Fh(:)50 b(the)24 b(width)g(of)h(the)g(area)g(to)g(cop)
1638 
o(y)657 895 y Fa(height)f Fh(:)50 b(the)24 b(height)g(of)h(the)g(area)g
1639 
(to)g(cop)o(y)713 1050 y Fa(srcid)j Fh(:)50 b(the)24
1640 
b(ID)h(of)g(the)g(dra)o(w)o(able)f(to)h(cop)o(y)f(the)h(area)h(from)772
1641 
1204 y Fa(srcx)j Fh(:)50 b(the)24 b(X)h(coordinate)f(to)h(cop)o(y)f
1642 
(the)h(area)h(from)e(within)g(the)h(source)g(dra)o(w)o(able)769
1643 
1359 y Fa(srcy)32 b Fh(:)50 b(the)24 b(Y)h(coordinate)f(to)h(cop)o(y)f
1644 
(the)h(area)h(from)e(within)g(the)h(source)g(dra)o(w)o(able)896
1645 
1513 y Fa(op)g Fh(:)50 b(the)24 b(R)l(OP)i(codes)f(to)f(pass)h(to)f
1646 
(the)h(blitter)e(when)i(performing)f(the)h(cop)o(y)396
1647 
2030 y Fb(GrBitmap)34 b(\(\))396 2246 y Fc(void)430 b(GrBitmap)1289
1648 
b(\(GR_DRAW_ID)52 b(id,)2817 2362 y(GR_GC_ID)g(gc,)2817
1649 
2479 y(GR_COORD)g(x,)2817 2596 y(GR_COORD)g(y,)2817 2712
1650 
y(GR_SIZE)h(width,)2817 2829 y(GR_SIZE)g(height,)2817
1651 
2945 y(GR_BITMAP)f(*im-)396 3062 y(agebits\);)396 3291
1652 
y Fh(Dra)o(ws)25 b(the)f(monochrome)g(bitmap)g(data)h(pro)o(vided)e(in)
1653 
i(the)f(bitmaptable)g(ar)n(gument)g(at)h(the)396 3421
1654 
y(speci\002ed)g(position)e(on)i(the)g(speci\002ed)g(dra)o(w)o(able)f
1655 
(using)g(the)h(speci\002ed)g(graphics)f(conte)o(xt.)30
1656 
b(Note)396 3550 y(that)25 b(the)f(bitmap)g(data)h(should)e(be)i(an)g
1657 
(array)h(of)f(aligned)f(16)g(bit)h(w)o(ords.)30 b(The)25
1658 
b(usebackground)396 3680 y(\003ag)g(in)e(the)h(graphics)g(conte)o(xt)e
1659 
(speci\002es)j(whether)e(to)h(dra)o(w)g(the)f(background)h(colour)f
1660 
(where)n(v)o(er)h(a)396 3809 y(bit)g(v)n(alue)h(is)f(zero.)893
1661 
4100 y Fa(id)k Fh(:)50 b(the)24 b(ID)h(of)g(the)g(dra)o(w)o(able)f(to)h
1662 
(dra)o(w)f(the)h(bitmap)f(onto)896 4255 y Fa(gc)h Fh(:)50
1663 
b(the)24 b(ID)h(of)g(the)g(graphics)f(conte)o(xt)g(to)g(use)h(when)g
1664 
(dra)o(wing)f(the)g(bitmap)951 4409 y Fa(x)30 b Fh(:)50
1665 
b(the)24 b(X)h(coordinate)f(to)h(dra)o(w)f(the)h(bitmap)f(at)h(relati)n
1666 
(v)o(e)e(to)i(the)f(dra)o(w)o(able)948 4564 y Fa(y)33
1667 
b Fh(:)50 b(the)24 b(Y)h(coordinate)f(to)h(dra)o(w)f(the)h(bitmap)f(at)
1668 
h(relati)n(v)o(e)e(to)i(the)f(dra)o(w)o(able)717 4718
1669 
y Fa(width)g Fh(:)50 b(the)24 b(width)g(of)h(the)g(bitmap)p
1670 
Black -2 5278 a Fg(36)p Black eop
1671 
%%Page: 37 37
1672 
37 36 bop Black 3023 67 a Fg(Chapter)25 b(1.)30 b(libnano-X)p
1673 
Black 657 587 a Fa(height)24 b Fh(:)50 b(the)24 b(height)g(of)h(the)g
1674 
(bitmap)478 741 y Fa(imagebits)e Fh(:)396 1258 y Fb(GrFreeIma)o(g)q(e)
1675 
35 b(\(\))396 1474 y Fc(void)430 b(GrFreeImage)1127 b(\(GR_IMAGE_ID)52
1676 
b(id\);)396 1703 y Fh(Destro)o(ys)24 b(the)h(speci\002ed)g(image)f(b)n
1677 
(uf)n(fer)h(and)g(reclaims)f(the)h(memory)f(used)h(by)f(it.)893
1678 
2015 y Fa(id)k Fh(:)50 b(ID)25 b(of)f(the)h(image)g(b)n(uf)n(fer)f(to)h
1679 
(free)396 2511 y Fb(GrGetIma)o(g)q(eInf)n(o)35 b(\(\))396
1680 
2727 y Fc(void)430 b(GrGetImageInfo)965 b(\(GR_IMAGE_ID)52
1681 
b(id,)2817 2844 y(GR_IMAGE_INFO)f(*iip\);)396 3073 y
1682 
Fh(Fills)24 b(in)h(the)f(speci\002ed)i(image)e(information)f(structure)
1683 
i(with)f(the)g(details)g(of)h(the)g(speci\002ed)g(image)396
1684 
3202 y(b)n(uf)n(fer)-5 b(.)893 3494 y Fa(id)28 b Fh(:)50
1685 
b(ID)25 b(of)f(an)h(image)g(b)n(uf)n(fer)836 3648 y Fa(iip)g
1686 
Fh(:)50 b(pointer)24 b(to)g(a)h(GR_IMA)l(GE_INFO)g(structure)396
1687 
4165 y Fb(GrDra)n(wIma)o(g)q(eFr)n(omFile)35 b(\(\))396
1688 
4381 y Fc(void)430 b(GrDrawImageFromFile)695 b(\(GR_DRAW_ID)52
1689 
b(id,)2817 4497 y(GR_GC_ID)g(gc,)2817 4614 y(GR_COORD)g(x,)2817
1690 
4731 y(GR_COORD)g(y,)2817 4847 y(GR_SIZE)h(width,)p Black
1691 
3780 5278 a Fg(37)p Black eop
1692 
%%Page: 38 38
1693 
38 37 bop Black -2 67 a Fg(Chapter)24 b(1.)31 b(libnano-X)p
1694 
Black 2817 579 a Fc(GR_SIZE)53 b(height,)2817 695 y(char)g(*path,)2817
1695 
812 y(int)g(flags\);)396 1041 y Fh(Loads)25 b(the)f(speci\002ed)h
1696 
(image)g(\002le)g(and)g(dra)o(ws)f(it)g(at)h(the)g(speci\002ed)g
1697 
(position)e(on)h(the)h(speci\002ed)396 1171 y(dra)o(w)o(able)g(using)f
1698 
(the)g(speci\002ed)h(graphics)g(conte)o(xt.)k(The)c(width)f(and)h
1699 
(height)f(v)n(alues)g(specify)g(the)396 1300 y(size)h(of)g(the)g(image)
1700 
f(to)g(dra)o(w-)h(if)g(the)g(actual)f(image)h(is)f(a)h(dif)n(ferent)g
1701 
(size,)f(it)h(will)f(be)h(scaled)f(to)h(\002t.)396 1430
1702 
y(The)g(image)f(type)h(is)f(automatically)g(detected)g(using)g(the)h
1703 
(magic)f(numbers)g(in)h(the)f(image)h(header)396 1559
1704 
y(\(ie.)31 b(the)25 b(\002lename)g(e)o(xtension)e(is)h(irrele)n(v)n
1705 
(ant\).)30 b(The)25 b(currently)g(supported)e(image)i(types)f(include)
1706 
396 1689 y(GIF)-8 b(,)26 b(JPEG,)e(W)l(indo)n(ws)g(BMP)-11
1707 
b(,)25 b(PNG,)g(XPM,)g(and)f(both)g(ascii)h(and)g(binary)f(v)n(ariants)
1708 
g(of)h(PBM,)396 1818 y(PGM,)g(and)g(PPM.)g(Ho)n(we)n(v)o(er)e(the)i
1709 
(image)f(types)h(supported)f(by)g(a)h(particular)g(serv)o(er)g(depend)f
1710 
(on)396 1948 y(which)h(image)f(types)g(were)i(enabled)e(in)h(the)g
1711 
(serv)o(er)f(con\002guration)h(at)f(b)n(uild)g(time.)893
1712 
2259 y Fa(id)k Fh(:)50 b(the)24 b(ID)h(of)g(the)g(dra)o(w)o(able)f(to)h
1713 
(dra)o(w)f(the)h(image)f(onto)896 2414 y Fa(gc)h Fh(:)50
1714 
b(the)24 b(ID)h(of)g(the)g(graphics)f(conte)o(xt)g(to)g(use)h(when)g
1715 
(dra)o(wing)f(the)g(image)951 2568 y Fa(x)30 b Fh(:)50
1716 
b(the)24 b(X)h(coordinate)f(to)h(dra)o(w)f(the)h(image)f(at)h(relati)n
1717 
(v)o(e)f(to)g(the)h(dra)o(w)o(able)948 2723 y Fa(y)33
1718 
b Fh(:)50 b(the)24 b(Y)h(coordinate)f(to)h(dra)o(w)f(the)h(image)f(at)h
1719 
(relati)n(v)o(e)f(to)g(the)h(dra)o(w)o(able)717 2877
1720 
y Fa(width)f Fh(:)50 b(the)24 b(maximum)f(image)i(width)657
1721 
3031 y Fa(height)f Fh(:)50 b(the)24 b(maximum)f(image)i(height)777
1722 
3186 y Fa(path)f Fh(:)50 b(string)23 b(containing)h(the)h(\002lename)g
1723 
(of)f(the)h(image)g(to)f(load)717 3340 y Fa(flags)g Fh(:)50
1724 
b(\003ags)25 b(speci\002c)g(to)f(the)h(particular)g(image)f(loader)396
1725 
3837 y Fb(GrLoadIma)o(g)q(eFr)n(omFile)36 b(\(\))396
1726 
4053 y Fc(GR_IMAGE_ID)52 b(GrLoadImageFromFile)695 b(\(char)53
1727 
b(*path,)2817 4169 y(int)g(flags\);)396 4399 y Fh(Loads)25
1728 
b(the)f(speci\002ed)h(image)g(\002le)g(into)f(a)h(ne)n(wly)f(created)h
1729 
(serv)o(er)g(image)g(b)n(uf)n(fer)f(and)h(returns)g(the)396
1730 
4528 y(ID)g(of)g(the)g(b)n(uf)n(fer)-5 b(.)30 b(The)25
1731 
b(image)f(type)h(is)f(automatically)f(detected)i(using)f(the)h(magic)f
1732 
(numbers)g(in)396 4658 y(the)h(image)f(header)i(\(ie.)31
1733 
b(the)24 b(\002lename)h(e)o(xtension)f(is)g(irrele)n(v)n(ant\).)30
1734 
b(The)24 b(currently)h(supported)396 4787 y(image)g(types)f(include)g
1735 
(GIF)-8 b(,)25 b(JPEG,)g(W)l(indo)n(ws)e(BMP)-11 b(,)26
1736 
b(PNG,)f(XPM,)f(and)h(both)f(ascii)h(and)f(binary)p Black
1737 
-2 5278 a Fg(38)p Black eop
1738 
%%Page: 39 39
1739 
39 38 bop Black 3023 67 a Fg(Chapter)25 b(1.)30 b(libnano-X)p
1740 
Black 396 579 a Fh(v)n(ariants)24 b(of)h(PBM,)g(PGM,)g(and)g(PPM.)g(Ho)
1741 
n(we)n(v)o(er)e(the)i(image)f(types)h(supported)e(by)i(a)g(particular)
1742 
396 708 y(serv)o(er)g(depend)g(on)f(which)h(image)f(types)g(were)i
1743 
(enabled)e(in)h(the)g(serv)o(er)f(con\002guration)h(at)f(b)n(uild)396
1744 
838 y(time.)777 1129 y Fa(path)g Fh(:)50 b(string)23
1745 
b(containing)h(the)h(\002lename)g(of)f(the)h(image)g(to)f(load)717
1746 
1284 y Fa(flags)g Fh(:)50 b(\003ags)25 b(speci\002c)g(to)f(the)h
1747 
(particular)g(image)f(loader)706 1438 y Fg(Returns)g
1748 
Fh(:)50 b(ID)25 b(of)f(the)h(image)g(b)n(uf)n(fer)f(the)h(image)f(w)o
1749 
(as)h(loaded)g(into)396 1955 y Fb(GrDra)n(wIma)o(g)q(eT)-10
1750 
b(oFit)36 b(\(\))396 2171 y Fc(void)430 b(GrDrawImageToFit)857
1751 
b(\(GR_DRAW_ID)52 b(id,)2817 2288 y(GR_GC_ID)g(gc,)2817
1752 
2404 y(GR_COORD)g(x,)2817 2521 y(GR_COORD)g(y,)2817 2637
1753 
y(GR_SIZE)h(width,)2817 2754 y(GR_SIZE)g(height,)2817
1754 
2870 y(GR_IMAGE_ID)f(im-)396 2987 y(ageid\);)396 3216
1755 
y Fh(Dra)o(ws)25 b(the)f(image)h(from)f(the)h(speci\002ed)g(image)f(b)n
1756 
(uf)n(fer)h(at)g(the)g(speci\002ed)g(position)e(on)h(the)396
1757 
3346 y(speci\002ed)h(dra)o(w)o(able)g(using)f(the)g(speci\002ed)h
1758 
(graphics)g(conte)o(xt.)k(The)c(width)f(and)h(height)f(v)n(alues)396
1759 
3475 y(specify)h(the)g(size)f(of)h(the)g(image)f(to)h(dra)o(w-)f(if)h
1760 
(the)g(actual)g(image)f(is)g(a)i(dif)n(ferent)e(size,)h(it)f(will)g(be)
1761 
396 3605 y(scaled)h(to)g(\002t.)893 3896 y Fa(id)j Fh(:)50
1762 
b(the)24 b(ID)h(of)g(the)g(dra)o(w)o(able)f(to)h(dra)o(w)f(the)h(image)
1763 
f(onto)896 4050 y Fa(gc)h Fh(:)50 b(the)24 b(ID)h(of)g(the)g(graphics)f
1764 
(conte)o(xt)g(to)g(use)h(when)g(dra)o(wing)f(the)g(image)951
1765 
4205 y Fa(x)30 b Fh(:)50 b(the)24 b(X)h(coordinate)f(to)h(dra)o(w)f
1766 
(the)h(image)f(at)h(relati)n(v)o(e)f(to)g(the)h(dra)o(w)o(able)948
1767 
4359 y Fa(y)33 b Fh(:)50 b(the)24 b(Y)h(coordinate)f(to)h(dra)o(w)f
1768 
(the)h(image)f(at)h(relati)n(v)o(e)f(to)g(the)h(dra)o(w)o(able)717
1769 
4514 y Fa(width)f Fh(:)50 b(the)24 b(maximum)f(image)i(width)657
1770 
4668 y Fa(height)f Fh(:)50 b(the)24 b(maximum)f(image)i(height)594
1771 
4822 y Fa(imageid)i Fh(:)50 b(the)24 b(ID)h(of)g(the)g(image)f(b)n(uf)n
1772 
(fer)h(containing)e(the)i(image)g(to)f(display)p Black
1773 
3784 5278 a Fg(39)p Black eop
1774 
%%Page: 40 40
1775 
40 39 bop Black -2 67 a Fg(Chapter)24 b(1.)31 b(libnano-X)p
1776 
Black 396 583 a Fb(GrDra)n(wIma)o(g)q(eBits)36 b(\(\))396
1777 
799 y Fc(void)430 b(GrDrawImageBits)911 b(\(GR_DRAW_ID)52
1778 
b(id,)2817 916 y(GR_GC_ID)g(gc,)2817 1032 y(GR_COORD)g(x,)2817
1779 
1149 y(GR_COORD)g(y,)2817 1266 y(GR_IMAGE_HDR)g(*pim-)396
1780 
1382 y(age\);)396 1611 y Fh(Dra)o(ws)25 b(the)f(image)h(contained)f(in)
1781 
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1782 
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1783 
(using)g(the)g(speci\002ed)i(graphics)e(conte)o(xt.)893
1784 
2052 y Fa(id)k Fh(:)50 b(the)24 b(ID)h(of)g(the)g(dra)o(w)o(able)f(to)h
1785 
(dra)o(w)f(the)h(image)f(onto)896 2207 y Fa(gc)h Fh(:)50
1786 
b(the)24 b(ID)h(of)g(the)g(graphics)f(conte)o(xt)g(to)g(use)h(when)g
1787 
(dra)o(wing)f(the)g(image)951 2361 y Fa(x)30 b Fh(:)50
1788 
b(the)24 b(X)h(coordinate)f(to)h(dra)o(w)f(the)h(image)f(at)h(relati)n
1789 
(v)o(e)f(to)g(the)h(dra)o(w)o(able)948 2516 y Fa(y)33
1790 
b Fh(:)50 b(the)24 b(Y)h(coordinate)f(to)h(dra)o(w)f(the)h(image)f(at)h
1791 
(relati)n(v)o(e)f(to)g(the)h(dra)o(w)o(able)657 2670
1792 
y Fa(pimage)f Fh(:)50 b(pointer)24 b(to)g(the)h(image)f(structure)396
1793 
3166 y Fb(GrT)-7 b(e)n(xt)34 b(\(\))396 3383 y Fc(void)430
1794 
b(GrText)1397 b(\(GR_DRAW_ID)52 b(id,)2817 3499 y(GR_GC_ID)g(gc,)2817
1795 
3616 y(GR_COORD)g(x,)2817 3732 y(GR_COORD)g(y,)2817 3849
1796 
y(void)h(*str,)2817 3965 y(GR_COUNT)f(count,)2817 4082
1797 
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1798 
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1799 
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1800 
(graphics)f(conte)o(xt)g(and)h(\003ags.)31 b(The)25 b(def)o(ault)f
1801 
(\003ags)h(specify)g(ASCII)h(encoding)e(and)396 4570
1802 
y(baseline)h(alignment.)p Black -2 5278 a Fg(40)p Black
1803 
eop
1804 
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1805 
41 40 bop Black 3023 67 a Fg(Chapter)25 b(1.)30 b(libnano-X)p
1806 
Black 893 587 a Fa(id)e Fh(:)50 b(the)24 b(ID)h(of)g(the)g(dra)o(w)o
1807 
(able)f(to)h(dra)o(w)f(the)h(te)o(xt)f(string)g(onto)896
1808 
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1809 
g(to)g(use)h(when)g(dra)o(wing)f(the)g(te)o(xt)g(string)951
1810 
895 y Fa(x)30 b Fh(:)50 b(the)24 b(X)h(coordinate)f(to)h(dra)o(w)f(the)
1811 
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1812 
1050 y Fa(y)33 b Fh(:)50 b(the)24 b(Y)h(coordinate)f(to)h(dra)o(w)f
1813 
(the)h(string)f(at)h(relati)n(v)o(e)e(to)i(the)g(dra)o(w)o(able)833
1814 
1204 y Fa(str)j Fh(:)50 b(the)24 b(te)o(xt)g(string)g(to)g(dra)o(w)717
1815 
1359 y Fa(count)g Fh(:)50 b(the)24 b(number)g(of)h(characters)h(\(not)e
1816 
(bytes\))h(in)f(the)h(string)717 1513 y Fa(flags)f Fh(:)50
1817 
b(\003ags)25 b(specifying)f(te)o(xt)f(encoding,)h(alignment,)g(etc.)-2
1818 
2307 y Ff(e)m(vents)47 b(\(3\))396 2786 y Fe(Name)396
1819 
2988 y Fd(events)24 b Fh(\227)396 3381 y Fe(Synopsis)396
1820 
3831 y Fc(void)430 b(GrSelectEvents)965 b(\(GR_WINDOW_ID)52
1821 
b(wid,)2817 3947 y(GR_EVENT_MASK)f(eventmask\);)396 4064
1822 
y(void)430 b(GrGetNextEvent)965 b(\(GR_EVENT)52 b(*ep\);)396
1823 
4180 y(void)430 b(GrGetNextEventTimeout)587 b(\(GR_EVENT)52
1824 
b(*ep,)2817 4297 y(GR_TIMEOUT)g(timeout\);)396 4413 y(void)430
1825 
b(GrCheckNextEvent)857 b(\(GR_EVENT)52 b(*ep\);)396 4530
1826 
y(int)484 b(GrPeekEvent)1127 b(\(GR_EVENT)52 b(*ep\);)p
1827 
Black 3784 5278 a Fg(41)p Black eop
1828 
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1829 
42 41 bop Black -2 67 a Fg(Chapter)24 b(1.)31 b(libnano-X)p
1830 
Black 396 601 a Fe(Description)396 1116 y(Details)396
1831 
1461 y Fb(GrSelectEvents)k(\(\))396 1677 y Fc(void)430
1832 
b(GrSelectEvents)965 b(\(GR_WINDOW_ID)52 b(wid,)2817
1833 
1793 y(GR_EVENT_MASK)f(event-)396 1910 y(mask\);)396
1834 
2139 y Fh(Select)26 b(the)e(e)n(v)o(ent)g(types)g(which)h(should)e(be)i
1835 
(returned)g(for)g(the)g(speci\002ed)g(windo)n(w)-6 b(.)833
1836 
2451 y Fa(wid)28 b Fh(:)50 b(the)24 b(ID)h(of)g(the)g(windo)n(w)e(to)i
1837 
(set)f(the)h(e)n(v)o(ent)f(mask)g(of)475 2605 y Fa(eventmask)i
1838 
Fh(:)50 b(a)25 b(bit)f(\002eld)h(specifying)f(the)g(desired)h(e)n(v)o
1839 
(ent)f(mask)396 3101 y Fb(GrGetNe)n(xtEvent)35 b(\(\))396
1840 
3318 y Fc(void)430 b(GrGetNextEvent)965 b(\(GR_EVENT)52
1841 
b(*ep\);)396 3547 y Fh(Gets)25 b(the)f(ne)o(xt)g(e)n(v)o(ent)g(from)h
1842 
(the)f(e)n(v)o(ent)g(queue)h(and)g(places)f(it)h(in)f(the)h
1843 
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1844 
b(the)g(queue)f(is)h(currently)f(empty)-6 b(,)24 b(we)h(sleep)f(until)g
1845 
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1846 
3806 y(serv)o(er)g(or)g(input)f(is)g(read)h(on)g(a)g(\002le)g
1847 
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1848 
(gisterInput\(\).)896 4117 y Fa(ep)h Fh(:)50 b(pointer)24
1849 
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1850 
(in)396 4614 y Fb(GrGetNe)n(xtEventTimeout)36 b(\(\))396
1851 
4830 y Fc(void)430 b(GrGetNextEventTimeout)587 b(\(GR_EVENT)52
1852 
b(*ep,)p Black -2 5278 a Fg(42)p Black eop
1853 
%%Page: 43 43
1854 
43 42 bop Black 3023 67 a Fg(Chapter)25 b(1.)30 b(libnano-X)p
1855 
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1856 
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1857 
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1858 
396 1054 y(structure.)31 b(If)25 b(the)g(queue)f(is)h(currently)f
1859 
(empty)-6 b(,)24 b(we)h(sleep)f(until)g(the)h(ne)o(xt)f(e)n(v)o(ent)f
1860 
(arri)n(v)o(es)h(from)h(the)396 1184 y(serv)o(er)l(,)g(input)f(is)g
1861 
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1862 
(by)f(GrRe)o(gisterInput\(\),)g(or)h(a)396 1313 y(timeout)f(occurs.)30
1863 
b(Note)25 b(that)f(a)h(v)n(alue)g(of)g(0)f(for)h(the)g(timeout)e
1864 
(parameter)j(doesn')n(t)e(mean)h("timeout)396 1443 y(after)h(0)e
1865 
(milliseconds")f(b)n(ut)h(is)g(in)h(f)o(act)g(a)g(magic)f(number)h
1866 
(meaning)f("ne)n(v)o(er)g(time)g(out".)896 1754 y Fa(ep)h
1867 
Fh(:)50 b(pointer)24 b(to)g(the)h(GR_EVENT)f(structure)h(to)f(return)h
1868 
(the)g(e)n(v)o(ent)e(in)598 1909 y Fa(timeout)g Fh(:)50
1869 
b(the)24 b(number)g(of)h(milliseconds)e(to)h(w)o(ait)h(before)g(timing)
1870 
e(out)396 2405 y Fb(GrChec)n(kNe)n(xtEvent)36 b(\(\))396
1871 
2621 y Fc(void)430 b(GrCheckNextEvent)857 b(\(GR_EVENT)52
1872 
b(*ep\);)396 2850 y Fh(Gets)25 b(the)f(ne)o(xt)g(e)n(v)o(ent)g(from)h
1873 
(the)f(e)n(v)o(ent)g(queue)h(if)g(there)g(is)f(one,)h(or)g(returns)f
1874 
(immediately)f(with)h(an)396 2980 y(e)n(v)o(ent)g(type)g(of)h
1875 
(GR_EVENT_TYPE_NONE)f(if)h(it)f(is)h(empty)-6 b(.)896
1876 
3291 y Fa(ep)25 b Fh(:)50 b(pointer)24 b(to)g(the)h(GR_EVENT)f
1877 
(structure)h(to)f(return)h(the)g(e)n(v)o(ent)e(in)396
1878 
3788 y Fb(GrP)l(eekEvent)35 b(\(\))396 4004 y Fc(int)484
1879 
b(GrPeekEvent)1127 b(\(GR_EVENT)52 b(*ep\);)396 4233
1880 
y Fh(Fills)24 b(in)h(the)f(speci\002ed)i(e)n(v)o(ent)d(structure)i
1881 
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1882 
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1883 
(queue.)31 b(An)25 b(e)n(v)o(ent)e(type)i(of)g(GR_EVENT_TYPE_NONE)f(is)
1884 
396 4492 y(gi)n(v)o(en)g(if)g(the)h(queue)g(is)f(empty)-6
1885 
b(.)896 4804 y Fa(ep)25 b Fh(:)50 b(pointer)24 b(to)g(the)h(GR_EVENT)f
1886 
(structure)h(to)f(return)h(the)g(e)n(v)o(ent)e(in)p Black
1887 
3784 5278 a Fg(43)p Black eop
1888 
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1889 
44 43 bop Black -2 67 a Fg(Chapter)24 b(1.)31 b(libnano-X)p
1890 
Black 706 587 a(Returns)24 b Fh(:)50 b(1)24 b(if)h(an)g(e)n(v)o(ent)f
1891 
(w)o(as)h(returned,)f(or)h(0)g(if)g(the)f(queue)h(w)o(as)g(empty)-2
1892 
1380 y Ff(f)m(onts)48 b(\(3\))396 1860 y Fe(Name)396
1893 
2061 y Fd(fonts)24 b Fh(\227)396 2455 y Fe(Synopsis)396
1894 
2904 y Fc(GR_FONT_ID)106 b(GrCreateFont)1073 b(\(GR_CHAR)53
1895 
b(*name,)2817 3021 y(GR_COORD)f(height,)2817 3137 y(GR_LOGFONT)g
1896 
(*plogfont\);)396 3254 y(void)430 b(GrSetFontSize)1019
1897 
b(\(GR_FONT_ID)52 b(fontid,)2817 3370 y(GR_COORD)g(size\);)396
1898 
3487 y(void)430 b(GrSetFontRotation)803 b(\(GR_FONT_ID)52
1899 
b(fontid,)2817 3604 y(int)h(tenthsdegrees\);)396 3720
1900 
y(void)430 b(GrSetFontAttr)1019 b(\(GR_FONT_ID)52 b(fontid,)2817
1901 
3837 y(int)h(setflags,)2817 3953 y(int)g(clrflags\);)396
1902 
4070 y(void)430 b(GrDestroyFont)1019 b(\(GR_FONT_ID)52
1903 
b(fontid\);)396 4186 y(void)430 b(GrGetFontInfo)1019
1904 
b(\(GR_FONT_ID)52 b(font,)2817 4303 y(GR_FONT_INFO)g(*fip\);)p
1905 
Black -2 5278 a Fg(44)p Black eop
1906 
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1907 
45 44 bop Black 3023 67 a Fg(Chapter)25 b(1.)30 b(libnano-X)p
1908 
Black 396 601 a Fe(Description)396 1116 y(Details)396
1909 
1461 y Fb(GrCreateFont)k(\(\))396 1677 y Fc(GR_FONT_ID)106
1910 
b(GrCreateFont)1073 b(\(GR_CHAR)53 b(*name,)2817 1793
1911 
y(GR_COORD)f(height,)2817 1910 y(GR_LOGFONT)g(*plog-)396
1912 
2026 y(font\);)396 2256 y Fh(Attempts)23 b(to)h(locate)h(a)f(font)g
1913 
(with)g(the)g(desired)h(attrib)n(utes)e(and)h(returns)g(a)h(font)f(ID)h
1914 
(number)f(which)396 2385 y(can)h(be)g(used)g(to)f(refer)i(to)f(it.)30
1915 
b(If)25 b(the)g(plogfont)e(ar)n(gument)i(is)f(not)g(NULL,)h(the)f(v)n
1916 
(alues)g(in)h(that)396 2515 y(structure)g(will)f(be)h(used)f(to)h
1917 
(choose)f(a)h(font.)31 b(Otherwise,)24 b(if)h(the)f(height)g(is)h(non)f
1918 
(zero,)h(the)g(b)n(uilt)e(in)396 2644 y(font)i(with)f(the)g(closest)g
1919 
(height)g(to)h(that)f(speci\002ed)h(will)f(be)h(used.)31
1920 
b(If)25 b(the)f(height)g(is)h(zero,)g(the)g(b)n(uilt)396
1921 
2774 y(in)g(font)f(with)g(the)h(speci\002ed)g(name)g(will)e(be)i(used.)
1922 
31 b(If)25 b(the)g(desired)f(font)h(is)f(not)g(found,)h(the)f(\002rst)
1923 
396 2903 y(b)n(uilt)g(in)g(font)h(will)f(be)h(returned)f(as)h(a)g(last)
1924 
g(resort.)777 3194 y Fa(name)f Fh(:)50 b(string)23 b(containing)h(the)h
1925 
(name)f(of)h(a)g(b)n(uilt)f(in)g(font)h(to)f(look)g(for)657
1926 
3349 y Fa(height)g Fh(:)50 b(the)24 b(desired)h(height)f(of)h(the)f
1927 
(font)538 3503 y Fa(plogfont)f Fh(:)50 b(pointer)24 b(to)g(a)h(LOGFONT)
1928 
g(structure)706 3658 y Fg(Returns)f Fh(:)50 b(a)25 b(font)f(ID)h
1929 
(number)f(which)h(can)g(be)g(used)f(to)h(refer)h(to)e(the)h(font)396
1930 
4174 y Fb(GrSetFontSiz)q(e)33 b(\(\))396 4391 y Fc(void)430
1931 
b(GrSetFontSize)1019 b(\(GR_FONT_ID)52 b(fontid,)2817
1932 
4507 y(GR_COORD)g(size\);)396 4736 y Fh(Changes)25 b(the)g(size)g(of)g
1933 
(the)f(speci\002ed)h(font)g(to)f(the)h(speci\002ed)g(size.)p
1934 
Black 3784 5278 a Fg(45)p Black eop
1935 
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1936 
46 45 bop Black -2 67 a Fg(Chapter)24 b(1.)31 b(libnano-X)p
1937 
Black 654 587 a Fa(fontid)c Fh(:)50 b(the)24 b(ID)h(number)f(of)h(the)g
1938 
(font)f(to)h(change)g(the)g(size)f(of)777 741 y Fa(size)g
1939 
Fh(:)396 1237 y Fb(GrSetFontRotation)34 b(\(\))396 1454
1940 
y Fc(void)430 b(GrSetFontRotation)803 b(\(GR_FONT_ID)52
1941 
b(fontid,)2817 1570 y(int)h(tenthsdegrees\);)396 1799
1942 
y Fh(Changes)25 b(the)g(rotation)f(of)h(the)f(speci\002ed)h(font)g(to)f
1943 
(the)h(speci\002ed)g(angle.)654 2111 y Fa(fontid)i Fh(:)50
1944 
b(the)24 b(ID)h(number)f(of)h(the)g(font)f(to)h(rotate)556
1945 
2265 y Fa(tenthsde-)396 2395 y(grees)f Fh(:)396 2996
1946 
y Fb(GrSetFontAttr)32 b(\(\))396 3212 y Fc(void)430 b(GrSetFontAttr)
1947 
1019 b(\(GR_FONT_ID)52 b(fontid,)2817 3329 y(int)h(setflags,)2817
1948 
3445 y(int)g(clrflags\);)396 3674 y Fh(Changes)25 b(the)g(attrib)n
1949 
(utes)f(\(GR_TFKERNING,)h(GR_TF)-7 b(ANTIALIAS,)396 3804
1950 
y(GR_TFUNDERLINE,)25 b(etc.\))h(of)f(the)f(speci\002ed)h(font)g
1951 
(according)f(to)h(the)f(set)h(and)g(clear)g(mask)396
1952 
3933 y(ar)n(guments.)654 4245 y Fa(fontid)i Fh(:)50 b(the)24
1953 
b(ID)h(of)g(the)g(font)f(to)h(set)f(the)h(attrib)n(utes)f(of)538
1954 
4399 y Fa(setflags)f Fh(:)50 b(mask)24 b(specifying)g(attrib)n(ute)g
1955 
(\003ags)h(to)f(set)538 4554 y Fa(clrflags)f Fh(:)50
1956 
b(mask)24 b(specifying)g(attrib)n(ute)g(\003ags)h(to)f(clear)p
1957 
Black -2 5278 a Fg(46)p Black eop
1958 
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1959 
47 46 bop Black 3023 67 a Fg(Chapter)25 b(1.)30 b(libnano-X)p
1960 
Black 396 583 a Fb(GrDestr)n(o)n(yFont)j(\(\))396 799
1961 
y Fc(void)430 b(GrDestroyFont)1019 b(\(GR_FONT_ID)52
1962 
b(fontid\);)396 1028 y Fh(Frees)26 b(all)e(resources)i(associated)e
1963 
(with)g(the)h(speci\002ed)g(font)f(ID,)h(and)g(if)g(the)f(font)h(is)f
1964 
(a)h(non)f(b)n(uilt)g(in)396 1158 y(type)h(and)f(this)g(is)h(the)f
1965 
(last)h(ID)g(referring)g(to)f(it,)h(unloads)f(the)g(font)h(from)f
1966 
(memory)-6 b(.)654 1470 y Fa(fontid)27 b Fh(:)50 b(the)24
1967 
b(ID)h(of)g(the)g(font)f(to)h(destro)o(y)396 1966 y Fb(GrGetFontInf)n
1968 
(o)33 b(\(\))396 2182 y Fc(void)430 b(GrGetFontInfo)1019
1969 
b(\(GR_FONT_ID)52 b(font,)2817 2299 y(GR_FONT_INFO)g(*fip\);)396
1970 
2528 y Fh(Fills)24 b(in)h(the)f(speci\002ed)i(GR_FONT_INFO)f(structure)
1971 
f(with)h(information)e(re)o(garding)h(the)396 2657 y(speci\002ed)h
1972 
(font.)777 2969 y Fa(font)f Fh(:)836 3123 y Fa(fip)h
1973 
Fh(:)50 b(pointer)24 b(to)g(a)h(GR_FONT_INFO)h(structure)-2
1974 
3917 y Ff(pointer)48 b(\(3\))396 4397 y Fe(Name)396 4598
1975 
y Fd(pointer)24 b Fh(\227)p Black 3780 5278 a Fg(47)p
1976 
Black eop
1977 
%%Page: 48 48
1978 
48 47 bop Black -2 67 a Fg(Chapter)24 b(1.)31 b(libnano-X)p
1979 
Black 396 601 a Fe(Synopsis)396 1050 y Fc(void)430 b(GrSetCursor)1127
1980 
b(\(GR_WINDOW_ID)52 b(wid,)2817 1166 y(GR_SIZE)h(width,)2817
1981 
1283 y(GR_SIZE)g(height,)2817 1400 y(GR_COORD)f(hotx,)2817
1982 
1516 y(GR_COORD)g(hoty,)2817 1633 y(GR_COLOR)g(foreground,)2817
1983 
1749 y(GR_COLOR)g(background,)2817 1866 y(GR_BITMAP)g(*fbbitmap,)2817
1984 
1982 y(GR_BITMAP)g(*bgbitmap\);)396 2099 y(void)430 b(GrMoveCursor)1073
1985 
b(\(GR_COORD)52 b(x,)2817 2215 y(GR_COORD)g(y\);)396
1986 
2332 y(void)430 b(GrInjectPointerEvent)641 b(\(MWCOORD)53
1987 
b(x,)2817 2449 y(MWCOORD)g(y,)2817 2565 y(int)g(button,)2817
1988 
2682 y(int)g(visible\);)396 3175 y Fe(Description)396
1989 
3690 y(Details)396 4035 y Fb(GrSetCur)n(sor)33 b(\(\))396
1990 
4251 y Fc(void)430 b(GrSetCursor)1127 b(\(GR_WINDOW_ID)52
1991 
b(wid,)2817 4368 y(GR_SIZE)h(width,)2817 4484 y(GR_SIZE)g(height,)2817
1992 
4601 y(GR_COORD)f(hotx,)2817 4718 y(GR_COORD)g(hoty,)2817
1993 
4834 y(GR_COLOR)g(foreground,)p Black -2 5278 a Fg(48)p
1994 
Black eop
1995 
%%Page: 49 49
1996 
49 48 bop Black 3023 67 a Fg(Chapter)25 b(1.)30 b(libnano-X)p
1997 
Black 2817 579 a Fc(GR_COLOR)52 b(background,)2817 695
1998 
y(GR_BITMAP)g(*fbbitmap,)2817 812 y(GR_BITMAP)g(*bg-)396
1999 
929 y(bitmap\);)396 1158 y Fh(Speci\002es)26 b(a)f(cursor)g(\(mouse)f
2000 
(pointer)g(graphic\))h(to)g(display)e(when)i(the)g(mouse)f(pointer)g
2001 
(is)g(o)o(v)o(er)396 1287 y(the)h(speci\002ed)g(windo)n(w)e(and)i
2002 
(subsequently)e(created)j(children.)k(Points)24 b(in)h(the)f(bitmap)g
2003 
(which)396 1417 y(ha)n(v)o(e)h(neither)f(the)h(fore)o(ground)f(or)h
2004 
(background)f(bits)g(set)h(are)g(not)f(painted.)833 1728
2005 
y Fa(wid)k Fh(:)50 b(the)24 b(ID)h(of)g(the)g(windo)n(w)e(to)i(set)f
2006 
(the)h(cursor)g(of)717 1883 y Fa(width)f Fh(:)50 b(the)24
2007 
b(width)g(of)h(the)g(pointer)f(bitmap)657 2037 y Fa(height)g
2008 
Fh(:)50 b(the)24 b(height)g(of)h(the)g(pointer)f(bitmap)772
2009 
2192 y Fa(hotx)29 b Fh(:)50 b(the)24 b(X)h(coordinate)f(within)g(the)h
2010 
(bitmap)e(used)i(as)g(the)f(tar)n(get)h(of)g(the)g(pointer)769
2011 
2346 y Fa(hoty)32 b Fh(:)50 b(the)24 b(Y)h(coordinate)f(within)g(the)h
2012 
(bitmap)e(used)i(as)g(the)f(tar)n(get)h(of)g(the)g(pointer)439
2013 
2500 y Fa(foreground)i Fh(:)e(the)f(colour)h(to)f(use)h(for)g(the)f
2014 
(fore)o(ground)h(of)f(the)h(pointer)439 2759 y Fa(background)i
2015 
Fh(:)e(the)f(colour)h(to)f(use)h(for)g(the)f(background)h(of)g(the)f
2016 
(pointer)537 3019 y Fa(fbbitmap)g Fh(:)537 3173 y Fa(bgbitmap)g
2017 
Fh(:)50 b(pointer)24 b(to)g(bitmap)g(data)h(specifying)f(the)g
2018 
(background)g(of)h(the)g(pointer)396 3669 y Fb(GrMo)n(veCur)n(sor)33
2019 
b(\(\))396 3886 y Fc(void)430 b(GrMoveCursor)1073 b(\(GR_COORD)52
2020 
b(x,)2817 4002 y(GR_COORD)g(y\);)396 4231 y Fh(Mo)o(v)o(es)23
2021 
b(the)i(cursor)g(\(mouse)f(pointer\))g(to)h(the)f(speci\002ed)i
2022 
(coordinates.)k(The)24 b(coordinates)h(are)396 4361 y(relati)n(v)o(e)f
2023 
(to)g(the)h(root)f(windo)n(w)-6 b(,)23 b(where)j(\(0,0\))e(is)h(the)f
2024 
(upper)h(left)g(hand)f(corner)i(of)f(the)f(screen.)32
2025 
b(The)396 4490 y(reference)27 b(point)c(used)i(for)g(the)g(pointer)f
2026 
(is)g(that)g(of)h(the)g("hot)f(spot".)29 b(After)d(mo)o(ving)c(the)j
2027 
(pointer)l(,)396 4620 y(the)g(graphic)g(used)f(for)h(the)g(pointer)f
2028 
(will)g(change)h(to)f(the)h(graphic)g(de\002ned)g(for)g(use)g(in)f(the)
2029 
396 4749 y(windo)n(w)g(which)g(it)g(is)h(o)o(v)o(er)-5
2030 
b(.)p Black 3784 5278 a Fg(49)p Black eop
2031 
%%Page: 50 50
2032 
50 49 bop Black -2 67 a Fg(Chapter)24 b(1.)31 b(libnano-X)p
2033 
Black 951 587 a Fa(x)f Fh(:)50 b(the)24 b(X)h(coordinate)f(to)h(mo)o(v)
2034 
o(e)e(the)i(pointer)f(to)948 741 y Fa(y)33 b Fh(:)50
2035 
b(the)24 b(Y)h(coordinate)f(to)h(mo)o(v)o(e)e(the)i(pointer)f(to)396
2036 
1258 y Fb(GrInjectP)-5 b(ointerEvent)35 b(\(\))396 1474
2037 
y Fc(void)430 b(GrInjectPointerEvent)641 b(\(MWCOORD)53
2038 
b(x,)2817 1590 y(MWCOORD)g(y,)2817 1707 y(int)g(button,)2817
2039 
1824 y(int)g(visible\);)396 2053 y Fh(Sets)25 b(the)g(pointer)f(in)l
2040 
(visible)f(if)i(the)g(visible)e(parameter)i(is)g(GR_F)-7
2041 
b(ALSE,)25 b(or)g(visible)e(if)i(it)f(is)396 2182 y(GR_TR)l(UE,)h(then)
2042 
g(mo)o(v)o(es)e(the)i(pointer)f(to)g(the)h(speci\002ed)g(position)e
2043 
(and)i(generates)g(a)g(mouse)396 2312 y(e)n(v)o(ent)f(with)g(the)h
2044 
(speci\002ed)g(b)n(utton)e(status.)30 b(Also)24 b(performs)h(a)g
2045 
(GrFlush\(\))g(so)f(that)g(the)h(e)n(v)o(ent)f(tak)o(es)396
2046 
2441 y(ef)n(fect)h(immediately)-6 b(.)951 2753 y Fa(x)30
2047 
b Fh(:)50 b(the)24 b(X)h(coordinate)f(of)h(the)g(pointer)f(e)n(v)o(ent)
2048 
g(rele)n(v)n(ant)g(to)g(the)h(root)f(windo)n(w)948 2907
2049 
y Fa(y)33 b Fh(:)50 b(the)24 b(Y)h(coordinate)f(of)h(the)g(pointer)f(e)
2050 
n(v)o(ent)g(rele)n(v)n(ant)g(to)g(the)h(root)f(windo)n(w)657
2051 
3062 y Fa(button)g Fh(:)50 b(the)24 b(pointer)g(b)n(utton)g(status)598
2052 
3216 y Fa(visible)f Fh(:)50 b(whether)24 b(to)h(display)e(the)i
2053 
(pointer)f(after)i(the)e(e)n(v)o(ent)-2 4010 y Ff(colour)m(s)48
2054 
b(\(3\))396 4489 y Fe(Name)396 4691 y Fd(colours)24 b
2055 
Fh(\227)p Black -2 5278 a Fg(50)p Black eop
2056 
%%Page: 51 51
2057 
51 50 bop Black 3023 67 a Fg(Chapter)25 b(1.)30 b(libnano-X)p
2058 
Black 396 601 a Fe(Synopsis)396 1050 y Fc(void)430 b
2059 
(GrGetSystemPalette)749 b(\(GR_PALETTE)52 b(*pal\);)396
2060 
1166 y(void)430 b(GrSetSystemPalette)749 b(\(GR_COUNT)52
2061 
b(first,)2817 1283 y(GR_PALETTE)g(*pal\);)396 1400 y(void)430
2062 
b(GrFindColor)1127 b(\(GR_COLOR)52 b(c,)2817 1516 y(GR_PIXELVAL)g
2063 
(*retpixel\);)396 1633 y(GR_COLOR)214 b(GrGetSysColor)1019
2064 
b(\(int)53 b(index\);)396 2126 y Fe(Description)396 2641
2065 
y(Details)396 2986 y Fb(GrGetSystemP)l(alette)36 b(\(\))396
2066 
3202 y Fc(void)430 b(GrGetSystemPalette)749 b(\(GR_PALETTE)52
2067 
b(*pal\);)396 3431 y Fh(Retrie)n(v)o(es)24 b(the)h(system)f(palette)g
2068 
(and)h(places)g(it)f(in)h(the)f(speci\002ed)h(palette)g(structure.)837
2069 
3743 y Fa(pal)f Fh(:)50 b(pointer)24 b(to)g(a)h(palette)g(structure)f
2070 
(to)h(\002ll)f(in)h(with)f(the)g(system)g(palette)396
2071 
4239 y Fb(GrSetSystemP)l(alette)36 b(\(\))396 4455 y
2072 
Fc(void)430 b(GrSetSystemPalette)749 b(\(GR_COUNT)52
2073 
b(first,)2817 4572 y(GR_PALETTE)g(*pal\);)396 4801 y
2074 
Fh(Sets)25 b(the)g(system)f(palette)g(to)g(the)h(v)n(alues)f(stored)g
2075 
(in)h(the)g(speci\002ed)g(palette)f(structure.)30 b(The)25
2076 
b(v)n(alues)p Black 3784 5278 a Fg(51)p Black eop
2077 
%%Page: 52 52
2078 
52 51 bop Black -2 67 a Fg(Chapter)24 b(1.)31 b(libnano-X)p
2079 
Black 396 579 a Fh(before)26 b(the)e(speci\002ed)h(\002rst)g(v)n(alue)f
2080 
(are)i(not)e(set.)717 890 y Fa(first)g Fh(:)50 b(the)24
2081 
b(\002rst)h(palette)g(v)n(alue)f(to)g(set)837 1045 y
2082 
Fa(pal)g Fh(:)50 b(pointer)24 b(to)g(a)h(palette)g(structure)f
2083 
(containing)g(the)g(ne)n(w)h(v)n(alues)396 1541 y Fb(GrFindColor)34
2084 
b(\(\))396 1757 y Fc(void)430 b(GrFindColor)1127 b(\(GR_COLOR)52
2085 
b(c,)2817 1874 y(GR_PIXELVAL)g(*ret-)396 1991 y(pixel\);)396
2086 
2220 y Fh(Calculates)25 b(the)g(pix)o(el)f(v)n(alue)g(to)g(use)h(to)f
2087 
(display)g(the)h(speci\002ed)g(colour)f(v)n(alue.)30
2088 
b(The)25 b(colour)g(v)n(alue)396 2349 y(is)g(speci\002ed)g(as)g(a)g
2089 
(GR_COLOR,)g(which)g(is)f(a)h(32)g(bit)f(truecolour)g(v)n(alue)g
2090 
(stored)h(as)g(RGBX.)g(The)396 2479 y(pix)o(el)f(v)n(alue)g(size)h
2091 
(depends)f(on)h(the)g(architecture.)956 2790 y Fa(c)g
2092 
Fh(:)50 b(the)24 b(colour)h(v)n(alue)f(to)g(\002nd)538
2093 
2945 y Fa(retpixel)f Fh(:)50 b(pointer)24 b(to)g(the)h(returned)g(pix)o
2094 
(el)e(v)n(alue)396 3441 y Fb(GrGetSysColor)34 b(\(\))396
2095 
3657 y Fc(GR_COLOR)214 b(GrGetSysColor)1019 b(\(int)53
2096 
b(index\);)712 4060 y Fa(index)29 b Fh(:)50 b(an)25 b(inde)o(x)e(into)h
2097 
(the)h(serv)o(er')-5 b(s)24 b(colour)h(look)f(up)g(table)706
2098 
4214 y Fg(Returns)g Fh(:)50 b(the)24 b(colour)h(found)f(at)h(the)f
2099 
(speci\002ed)i(inde)o(x)p Black -2 5278 a Fg(52)p Black
2100 
eop
2101 
%%Page: 53 53
2102 
53 52 bop Black 3023 67 a Fg(Chapter)25 b(1.)30 b(libnano-X)p
2103 
Black -2 621 a Ff(regions)47 b(\(3\))396 1101 y Fe(Name)396
2104 
1303 y Fd(regions)24 b Fh(\227)396 1696 y Fe(Synopsis)396
2105 
2146 y Fc(GR_REGION_ID)52 b(GrNewRegion)1073 b(\(void\);)396
2106 
2262 y(void)430 b(GrDestroyRe-)396 2379 y(gion)914 b(\(GR_REGION_ID)51
2107 
b(region\);)396 2495 y(void)430 b(GrUnionRectWithRe-)396
2108 
2612 y(gion)591 b(\(GR_REGION_ID)51 b(region,)2817 2728
2109 
y(GR_RECT)i(*rect\);)396 2845 y(void)430 b(GrUnionRe-)396
2110 
2962 y(gion)1022 b(\(GR_REGION_ID)51 b(dst_rgn,)2817
2111 
3078 y(GR_REGION_ID)h(src_rgn1,)2817 3195 y(GR_REGION_ID)g(src_rgn2\);)
2112 
396 3311 y(void)430 b(GrSubtractRe-)396 3428 y(gion)860
2113 
b(\(GR_REGION_ID)51 b(dst_rgn,)2817 3544 y(GR_REGION_ID)h(src_rgn1,)
2114 
2817 3661 y(GR_REGION_ID)g(src_rgn2\);)396 3777 y(void)430
2115 
b(GrXorRe-)396 3894 y(gion)1129 b(\(GR_REGION_ID)51 b(dst_rgn,)2817
2116 
4011 y(GR_REGION_ID)h(src_rgn1,)2817 4127 y(GR_REGION_ID)g(src_rgn2\);)
2117 
396 4244 y(void)430 b(GrIntersectRe-)396 4360 y(gion)806
2118 
b(\(GR_REGION_ID)52 b(dst_rgn,)2817 4477 y(GR_REGION_ID)g(src_rgn1,)
2119 
2817 4593 y(GR_REGION_ID)g(src_rgn2\);)396 4710 y(void)430
2120 
b(GrSetGCRegion)1019 b(\(GR_GC_ID)52 b(gc,)2817 4827
2121 
y(GR_REGION_ID)g(region\);)p Black 3784 5278 a Fg(53)p
2122 
Black eop
2123 
%%Page: 54 54
2124 
54 53 bop Black -2 67 a Fg(Chapter)24 b(1.)31 b(libnano-X)p
2125 
Black 396 579 a Fc(GR_BOOL)268 b(GrPointInRe-)396 695
2126 
y(gion)914 b(\(GR_REGION_ID)51 b(region,)2817 812 y(GR_COORD)h(x,)2817
2127 
929 y(GR_COORD)g(y\);)396 1045 y(int)484 b(GrRectInRe-)396
2128 
1162 y(gion)968 b(\(GR_REGION_ID)51 b(region,)2817 1278
2129 
y(GR_COORD)h(x,)2817 1395 y(GR_COORD)g(y,)2817 1511 y(GR_COORD)g(w,)
2130 
2817 1628 y(GR_COORD)g(h\);)396 1745 y(GR_BOOL)268 b(GrEmptyRe-)396
2131 
1861 y(gion)1022 b(\(GR_REGION_ID)51 b(region\);)396
2132 
1978 y(GR_BOOL)268 b(GrEqualRegion)1019 b(\(GR_REGION_ID)52
2133 
b(rgn1,)2817 2094 y(GR_REGION_ID)g(rgn2\);)396 2211 y(void)430
2134 
b(GrOffsetRe-)396 2327 y(gion)968 b(\(GR_REGION_ID)51
2135 
b(region,)2817 2444 y(GR_SIZE)i(dx,)2817 2560 y(GR_SIZE)g(dy\);)396
2136 
2677 y(int)484 b(GrGetRegion-)396 2794 y(Box)968 b(\(GR_REGION_ID)51
2137 
b(region,)2817 2910 y(GR_RECT)i(*rect\);)396 3027 y(GR_REGION_ID)f
2138 
(GrNewPolygonRegion)695 b(\(int)53 b(mode,)2817 3143
2139 
y(GR_COUNT)f(count,)2817 3260 y(GR_POINT)g(*points\);)396
2140 
3753 y Fe(Description)396 4268 y(Details)396 4613 y Fb(GrNe)n(wRegion)
2141 
35 b(\(\))396 4829 y Fc(GR_REGION_ID)52 b(GrNewRegion)1073
2142 
b(\(void\);)p Black -2 5278 a Fg(54)p Black eop
2143 
%%Page: 55 55
2144 
55 54 bop Black 3023 67 a Fg(Chapter)25 b(1.)30 b(libnano-X)p
2145 
Black 396 579 a Fh(Creates)c(a)f(ne)n(w)f(re)o(gion)g(structure)h(and)g
2146 
(returns)f(the)h(ID)g(used)f(to)h(refer)h(to)e(it.)30
2147 
b(The)25 b(structure)g(is)396 708 y(initialised)e(with)h(a)h(set)g(of)g
2148 
(def)o(ault)f(parameters.)706 1020 y Fg(Returns)g Fh(:)50
2149 
b(the)24 b(ID)h(of)g(the)g(ne)n(wly)f(created)h(re)o(gion)396
2150 
1516 y Fb(GrDestr)n(o)n(yRegion)34 b(\(\))396 1733 y
2151 
Fc(void)430 b(GrDestroyRegion)911 b(\(GR_REGION_ID)52
2152 
b(re-)396 1849 y(gion\);)396 2078 y Fh(Destro)o(ys)24
2153 
b(the)h(re)o(gion)f(structure)g(with)g(the)h(speci\002ed)g(ID.)657
2154 
2390 y Fa(region)f Fh(:)50 b(the)24 b(ID)h(of)g(the)g(re)o(gion)f
2155 
(structure)g(to)h(destro)o(y)396 2886 y Fb(GrUnionRectWithRegion)36
2156 
b(\(\))396 3102 y Fc(void)430 b(GrUnionRectWithRegion)587
2157 
b(\(GR_REGION_ID)52 b(re-)396 3219 y(gion,)2817 3336
2158 
y(GR_RECT)h(*rect\);)396 3565 y Fh(Mak)o(es)25 b(a)g(union)f(of)h(the)f
2159 
(speci\002ed)h(re)o(gion)f(and)h(the)g(speci\002ed)g(rectangle)g(and)g
2160 
(places)g(the)f(result)396 3694 y(back)h(in)g(the)f(source)h(re)o
2161 
(gion.)657 4006 y Fa(region)f Fh(:)50 b(the)24 b(ID)h(of)g(the)g(re)o
2162 
(gion)f(to)g(modify)777 4160 y Fa(rect)g Fh(:)50 b(a)25
2163 
b(pointer)f(to)g(the)h(rectangle)g(to)f(add)h(to)g(the)f(re)o(gion)396
2164 
4657 y Fb(GrUnionRegion)35 b(\(\))396 4873 y Fc(void)430
2165 
b(GrUnionRe-)p Black 3784 5278 a Fg(55)p Black eop
2166 
%%Page: 56 56
2167 
56 55 bop Black -2 67 a Fg(Chapter)24 b(1.)31 b(libnano-X)p
2168 
Black 396 579 a Fc(gion)1022 b(\(GR_REGION_ID)51 b(dst_rgn,)2817
2169 
695 y(GR_REGION_ID)h(src_rgn1,)2817 812 y(GR_REGION_ID)g(src_rgn2\);)
2170 
396 1041 y Fh(Mak)o(es)25 b(a)g(union)f(of)h(the)f(speci\002ed)h
2171 
(source)g(re)o(gions)f(and)h(places)g(the)f(result)h(in)f(the)h
2172 
(speci\002ed)396 1171 y(destination)e(re)o(gion.)598
2173 
1482 y Fa(dst_rgn)g Fh(:)50 b(the)24 b(ID)h(of)g(the)g(destination)e
2174 
(re)o(gion)538 1637 y Fa(src_rgn1)g Fh(:)50 b(the)24
2175 
b(ID)h(of)g(the)g(\002rst)g(source)g(re)o(gion)538 1791
2176 
y Fa(src_rgn2)e Fh(:)50 b(the)24 b(ID)h(of)g(the)g(second)f(source)h
2177 
(re)o(gion)396 2288 y Fb(GrSubtractRegion)34 b(\(\))396
2178 
2504 y Fc(void)430 b(GrSubtractRe-)396 2620 y(gion)860
2179 
b(\(GR_REGION_ID)51 b(dst_rgn,)2817 2737 y(GR_REGION_ID)h(src_rgn1,)
2180 
2817 2853 y(GR_REGION_ID)g(src_rgn2\);)396 3083 y Fh(Subtracts)25
2181 
b(the)g(second)f(source)h(re)o(gion)f(from)h(the)f(\002rst)h(source)g
2182 
(re)o(gion)f(and)h(places)g(the)f(result)h(in)396 3212
2183 
y(the)g(speci\002ed)g(destination)e(re)o(gion.)598 3524
2184 
y Fa(dst_rgn)g Fh(:)50 b(the)24 b(ID)h(of)g(the)g(destination)e(re)o
2185 
(gion)538 3678 y Fa(src_rgn1)g Fh(:)50 b(the)24 b(ID)h(of)g(the)g
2186 
(\002rst)g(source)g(re)o(gion)538 3832 y Fa(src_rgn2)e
2187 
Fh(:)50 b(the)24 b(ID)h(of)g(the)g(second)f(source)h(re)o(gion)396
2188 
4329 y Fb(GrXorRegion)33 b(\(\))396 4545 y Fc(void)430
2189 
b(GrXorRe-)396 4662 y(gion)1129 b(\(GR_REGION_ID)51 b(dst_rgn,)2817
2190 
4778 y(GR_REGION_ID)h(src_rgn1,)p Black -2 5278 a Fg(56)p
2191 
Black eop
2192 
%%Page: 57 57
2193 
57 56 bop Black 3023 67 a Fg(Chapter)25 b(1.)30 b(libnano-X)p
2194 
Black 2817 579 a Fc(GR_REGION_ID)52 b(src_rgn2\);)396
2195 
808 y Fh(Performs)25 b(a)h(logical)e(e)o(xclusi)n(v)o(e)e(OR)k
2196 
(operation)e(on)g(the)h(speci\002ed)g(source)g(re)o(gions)f(and)g
2197 
(places)396 938 y(the)h(result)f(in)h(the)f(destination)f(re)o(gion.)30
2198 
b(The)25 b(destination)e(re)o(gion)h(will)g(contain)g(only)g(the)h
2199 
(parts)g(of)396 1067 y(the)g(source)g(re)o(gions)f(which)g(do)g(not)h
2200 
(o)o(v)o(erlap.)598 1379 y Fa(dst_rgn)e Fh(:)50 b(the)24
2201 
b(ID)h(of)g(the)g(destination)e(re)o(gion)538 1533 y
2202 
Fa(src_rgn1)g Fh(:)50 b(the)24 b(ID)h(of)g(the)g(\002rst)g(source)g(re)
2203 
o(gion)538 1688 y Fa(src_rgn2)e Fh(:)50 b(the)24 b(ID)h(of)g(the)g
2204 
(second)f(source)h(re)o(gion)396 2184 y Fb(GrInter)n(sectRegion)36
2205 
b(\(\))396 2400 y Fc(void)430 b(GrIntersectRe-)396 2517
2206 
y(gion)806 b(\(GR_REGION_ID)52 b(dst_rgn,)2817 2633 y(GR_REGION_ID)g
2207 
(src_rgn1,)2817 2750 y(GR_REGION_ID)g(src_rgn2\);)396
2208 
2979 y Fh(Calculates)25 b(the)g(intersection)f(of)h(the)f(tw)o(o)h
2209 
(speci\002ed)g(source)g(re)o(gions)e(and)i(places)g(the)g(result)f(in)
2210 
396 3108 y(the)h(speci\002ed)g(destination)e(re)o(gion.)30
2211 
b(The)25 b(destination)e(re)o(gion)h(will)g(contain)g(only)g(the)h
2212 
(parts)f(of)396 3238 y(the)h(source)g(re)o(gions)f(which)g(o)o(v)o
2213 
(erlap)g(each)h(other)-5 b(.)598 3550 y Fa(dst_rgn)23
2214 
b Fh(:)50 b(the)24 b(ID)h(of)g(the)g(destination)e(re)o(gion)538
2215 
3704 y Fa(src_rgn1)g Fh(:)50 b(the)24 b(ID)h(of)g(the)g(\002rst)g
2216 
(source)g(re)o(gion)538 3858 y Fa(src_rgn2)e Fh(:)50
2217 
b(the)24 b(ID)h(of)g(the)g(second)f(source)h(re)o(gion)396
2218 
4355 y Fb(GrSetGCRegion)35 b(\(\))396 4571 y Fc(void)430
2219 
b(GrSetGCRegion)1019 b(\(GR_GC_ID)52 b(gc,)2817 4688
2220 
y(GR_REGION_ID)g(re-)396 4804 y(gion\);)p Black 3780
2221 
5278 a Fg(57)p Black eop
2222 
%%Page: 58 58
2223 
58 57 bop Black -2 67 a Fg(Chapter)24 b(1.)31 b(libnano-X)p
2224 
Black 396 579 a Fh(Sets)25 b(the)g(clip)f(mask)g(of)h(the)g
2225 
(speci\002ed)g(graphics)g(conte)o(xt)e(to)i(the)f(speci\002ed)h(re)o
2226 
(gion.)30 b(Subsequent)396 708 y(dra)o(wing)24 b(operations)g(using)g
2227 
(this)g(graphics)g(conte)o(xt)g(will)g(not)g(dra)o(w)h(outside)e(the)i
2228 
(speci\002ed)396 838 y(re)o(gion.)30 b(The)25 b(re)o(gion)f(ID)h(can)g
2229 
(be)g(set)g(to)f(0)h(to)f(remo)o(v)o(e)g(the)h(clipping)e(re)o(gion)h
2230 
(from)h(the)f(speci\002ed)396 967 y(graphics)h(conte)o(xt.)896
2231 
1279 y Fa(gc)g Fh(:)50 b(the)24 b(ID)h(of)g(the)g(graphics)f(conte)o
2232 
(xt)g(to)g(set)h(the)g(clip)f(mask)g(of)657 1433 y Fa(region)g
2233 
Fh(:)50 b(the)24 b(ID)h(of)g(the)g(re)o(gion)f(to)g(use)h(as)g(the)f
2234 
(clip)h(mask)396 1930 y Fb(GrP)-5 b(ointInRegion)35 b(\(\))396
2235 
2146 y Fc(GR_BOOL)268 b(GrPointInRegion)911 b(\(GR_REGION_ID)52
2236 
b(re-)396 2263 y(gion,)2817 2379 y(GR_COORD)g(x,)2817
2237 
2496 y(GR_COORD)g(y\);)396 2725 y Fh(T)-7 b(ests)25 b(whether)f(the)h
2238 
(speci\002ed)g(point)f(is)g(within)g(the)g(speci\002ed)h(re)o(gion,)f
2239 
(and)h(then)f(returns)h(either)396 2854 y(T)m(rue)g(or)g(F)o(alse)f
2240 
(depending)g(on)h(the)g(result.)657 3166 y Fa(region)f
2241 
Fh(:)50 b(the)24 b(ID)h(of)g(the)g(re)o(gion)f(to)g(e)o(xamine)951
2242 
3320 y Fa(x)30 b Fh(:)50 b(the)24 b(X)h(coordinate)f(of)h(the)g(point)f
2243 
(to)g(test)g(for)948 3475 y Fa(y)33 b Fh(:)50 b(the)24
2244 
b(Y)h(coordinate)f(of)h(the)g(point)f(to)g(test)g(for)706
2245 
3629 y Fg(Returns)g Fh(:)50 b(T)m(rue)24 b(if)h(the)f(point)g(is)h
2246 
(within)e(the)i(re)o(gion,)f(or)h(F)o(alse)f(otherwise)396
2247 
4126 y Fb(GrRectInRegion)36 b(\(\))396 4342 y Fc(int)484
2248 
b(GrRectInRegion)965 b(\(GR_REGION_ID)52 b(re-)396 4458
2249 
y(gion,)2817 4575 y(GR_COORD)g(x,)2817 4691 y(GR_COORD)g(y,)2817
2250 
4808 y(GR_COORD)g(w,)p Black -2 5278 a Fg(58)p Black
2251 
eop
2252 
%%Page: 59 59
2253 
59 58 bop Black 3023 67 a Fg(Chapter)25 b(1.)30 b(libnano-X)p
2254 
Black 2817 579 a Fc(GR_COORD)52 b(h\);)396 808 y Fh(T)-7
2255 
b(ests)25 b(whether)f(the)h(speci\002ed)g(rectangle)g(is)f(contained)h
2256 
(within)e(the)i(speci\002ed)g(re)o(gion.)30 b(Returns)396
2257 
938 y(GR_RECT_OUT)c(if)e(it)h(is)f(not)g(inside)g(it)g(at)h(all,)g
2258 
(GR_RECT_ALLIN)g(if)g(it)f(is)g(completely)396 1067 y(contained)h
2259 
(within)e(the)i(re)o(gion,)f(or)g(GR_RECT_P)-9 b(AR)j(TIN)27
2260 
b(if)d(it)h(is)f(partially)g(contained)g(within)396 1197
2261 
y(the)h(re)o(gion.)657 1508 y Fa(region)f Fh(:)50 b(the)24
2262 
b(ID)h(of)g(the)g(re)o(gion)f(to)g(e)o(xamine)951 1663
2263 
y Fa(x)30 b Fh(:)50 b(the)24 b(X)h(coordinates)f(of)h(the)g(rectangle)g
2264 
(to)f(test)948 1817 y Fa(y)33 b Fh(:)50 b(the)24 b(Y)h(coordinates)f
2265 
(of)h(the)g(rectangle)g(to)f(test)947 1971 y Fa(w)34
2266 
b Fh(:)50 b(the)24 b(width)g(of)h(the)g(rectangle)g(to)f(test)956
2267 
2126 y Fa(h)h Fh(:)50 b(the)24 b(height)g(of)h(the)g(rectangle)g(to)f
2268 
(test)706 2280 y Fg(Returns)g Fh(:)50 b(GR_RECT_P)-9
2269 
b(AR)j(TIN,)26 b(GR_RECT_ALLIN,)f(or)g(GR_RECT_OUT)396
2270 
2777 y Fb(GrEmptyRegion)35 b(\(\))396 2993 y Fc(GR_BOOL)268
2271 
b(GrEmptyRegion)1019 b(\(GR_REGION_ID)52 b(re-)396 3109
2272 
y(gion\);)396 3339 y Fh(Determines)24 b(whether)h(the)g(speci\002ed)g
2273 
(re)o(gion)f(is)g(empty)-6 b(,)24 b(and)g(returns)h(GR_TR)l(UE)g(if)g
2274 
(it)f(is,)h(or)396 3468 y(GR_F)-7 b(ALSE)25 b(otherwise.)657
2275 
3770 y Fa(region)f Fh(:)50 b(the)24 b(ID)h(of)g(the)g(re)o(gion)f(to)g
2276 
(e)o(xamine)706 3924 y Fg(Returns)g Fh(:)50 b(GR_TR)l(UE)25
2277 
b(if)g(the)f(re)o(gion)g(is)h(empty)-6 b(,)23 b(or)i(GR_F)-7
2278 
b(ALSE)25 b(if)g(it)f(is)g(not)396 4430 y Fb(GrEqualRegion)35
2279 
b(\(\))396 4647 y Fc(GR_BOOL)268 b(GrEqualRegion)1019
2280 
b(\(GR_REGION_ID)52 b(rgn1,)2817 4763 y(GR_REGION_ID)g(rgn2\);)p
2281 
Black 3784 5278 a Fg(59)p Black eop
2282 
%%Page: 60 60
2283 
60 59 bop Black -2 67 a Fg(Chapter)24 b(1.)31 b(libnano-X)p
2284 
Black 396 579 a Fh(Determines)24 b(whether)h(the)g(speci\002ed)g(re)o
2285 
(gions)f(are)h(identical,)f(and)h(returns)f(GR_TR)l(UE)i(if)e(it)h(is,)
2286 
396 708 y(or)g(GR_F)-7 b(ALSE)25 b(otherwise.)777 1010
2287 
y Fa(rgn1)f Fh(:)50 b(the)24 b(ID)h(of)g(the)g(\002rst)g(re)o(gion)f
2288 
(to)g(e)o(xamine)777 1165 y Fa(rgn2)g Fh(:)50 b(the)24
2289 
b(ID)h(of)g(the)g(second)f(re)o(gion)g(to)h(e)o(xamine)706
2290 
1319 y Fg(Returns)f Fh(:)50 b(GR_TR)l(UE)25 b(if)g(the)f(re)o(gions)g
2291 
(are)h(equal,)g(or)g(GR_F)-7 b(ALSE)25 b(otherwise)396
2292 
1825 y Fb(GrOffsetRegion)35 b(\(\))396 2041 y Fc(void)430
2293 
b(GrOffsetRegion)965 b(\(GR_REGION_ID)52 b(re-)396 2158
2294 
y(gion,)2817 2275 y(GR_SIZE)h(dx,)2817 2391 y(GR_SIZE)g(dy\);)396
2295 
2620 y Fh(Of)n(fsets)24 b(the)h(speci\002ed)g(re)o(gion)f(by)h(the)f
2296 
(speci\002ed)h(distance.)657 2932 y Fa(region)f Fh(:)50
2297 
b(the)24 b(ID)h(of)g(the)g(re)o(gion)f(to)g(of)n(fset)891
2298 
3086 y Fa(dx)30 b Fh(:)50 b(the)24 b(distance)h(to)f(of)n(fset)g(the)h
2299 
(re)o(gion)f(by)g(in)h(the)f(X)h(axis)888 3241 y Fa(dy)33
2300 
b Fh(:)50 b(the)24 b(distance)h(to)f(of)n(fset)g(the)h(re)o(gion)f(by)g
2301 
(in)h(the)f(Y)h(axis)396 3737 y Fb(GrGetRegionBo)l(x)36
2302 
b(\(\))396 3953 y Fc(int)484 b(GrGetRegionBox)965 b(\(GR_REGION_ID)52
2303 
b(re-)396 4070 y(gion,)2817 4186 y(GR_RECT)h(*rect\);)396
2304 
4416 y Fh(Fills)24 b(in)h(the)f(speci\002ed)i(rectangle)f(structure)f
2305 
(with)g(a)h(bounding)f(box)g(that)g(w)o(ould)g(completely)396
2306 
4545 y(enclose)h(the)g(speci\002ed)g(re)o(gion,)f(and)g(also)h(returns)
2307 
f(the)h(type)f(of)h(the)g(speci\002ed)g(re)o(gion.)p
2308 
Black -2 5278 a Fg(60)p Black eop
2309 
%%Page: 61 61
2310 
61 60 bop Black 3023 67 a Fg(Chapter)25 b(1.)30 b(libnano-X)p
2311 
Black 657 587 a Fa(region)24 b Fh(:)50 b(the)24 b(ID)h(of)g(the)g(re)o
2312 
(gion)f(to)g(get)h(the)f(bounding)g(box)g(of)777 741
2313 
y Fa(rect)g Fh(:)50 b(pointer)24 b(to)g(a)h(rectangle)g(structure)706
2314 
895 y Fg(Returns)f Fh(:)50 b(the)24 b(re)o(gion)g(type)396
2315 
1392 y Fb(GrNe)n(wP)-5 b(ol)n(ygonRegion)36 b(\(\))396
2316 
1608 y Fc(GR_REGION_ID)52 b(GrNewPolygonRegion)695 b(\(int)53
2317 
b(mode,)2817 1725 y(GR_COUNT)f(count,)2817 1841 y(GR_POINT)g
2318 
(*points\);)396 2070 y Fh(Creates)26 b(a)f(ne)n(w)f(re)o(gion)g
2319 
(structure,)h(\002lls)f(it)h(with)f(the)g(re)o(gion)g(described)h(by)f
2320 
(the)h(speci\002ed)396 2200 y(polygon,)f(and)g(returns)h(the)g(ID)g
2321 
(used)f(to)h(refer)g(to)g(it.)777 2511 y Fa(mode)f Fh(:)50
2322 
b(the)24 b(polygon)g(mode)g(to)g(use)h(\(GR_POL)-10 b(Y_EVENODD)25
2323 
b(or)1094 2641 y(GR_POL)-10 b(Y_WINDING\))717 2795 y
2324 
Fa(count)24 b Fh(:)50 b(the)24 b(number)g(of)h(points)f(in)g(the)h
2325 
(polygon)657 2950 y Fa(points)f Fh(:)50 b(pointer)24
2326 
b(to)g(an)h(array)h(of)f(point)e(structures)h(describing)g(the)h
2327 
(polygon)706 3104 y Fg(Returns)f Fh(:)50 b(the)24 b(ID)h(of)g(the)g(ne)
2328 
n(wly)f(allocated)g(re)o(gion)g(structure,)h(or)f(0)h(on)g(error)-2
2329 
3898 y Ff(selections)47 b(\(3\))396 4377 y Fe(Name)396
2330 
4579 y Fd(selections)23 b Fh(\227)p Black 3784 5278 a
2331 
Fg(61)p Black eop
2332 
%%Page: 62 62
2333 
62 61 bop Black -2 67 a Fg(Chapter)24 b(1.)31 b(libnano-X)p
2334 
Black 396 601 a Fe(Synopsis)396 1050 y Fc(void)430 b
2335 
(GrSetSelectionOwner)695 b(\(GR_WINDOW_ID)52 b(wid,)2817
2336 
1166 y(GR_CHAR)h(*typelist\);)396 1283 y(GR_WINDOW_ID)f(GrGetSelec-)396
2337 
1400 y(tionOwner)644 b(\(GR_CHAR)52 b(**typelist\);)396
2338 
1516 y(void)430 b(GrRequestClientData)695 b(\(GR_WINDOW_ID)52
2339 
b(wid,)2817 1633 y(GR_WINDOW_ID)g(rid,)2817 1749 y(GR_SERIALNO)g
2340 
(serial,)2817 1866 y(GR_MIMETYPE)g(mimetype\);)396 1982
2341 
y(void)430 b(GrSendClientData)857 b(\(GR_WINDOW_ID)52
2342 
b(wid,)2817 2099 y(GR_WINDOW_ID)g(did,)2817 2215 y(GR_SERIALNO)g
2343 
(serial,)2817 2332 y(GR_LENGTH)g(len,)2817 2449 y(GR_LENGTH)g(thislen,)
2344 
2817 2565 y(void)h(*data\);)396 3059 y Fe(Description)396
2345 
3574 y(Details)396 3919 y Fb(GrSetSelectionOwner)35 b(\(\))396
2346 
4135 y Fc(void)430 b(GrSetSelectionOwner)695 b(\(GR_WINDOW_ID)52
2347 
b(wid,)2817 4251 y(GR_CHAR)h(*typelist\);)396 4480 y
2348 
Fh(Sets)25 b(the)f(current)h(selection)e(\(otherwise)h(kno)n(wn)f(as)i
2349 
(the)f(clipboard\))g(o)n(wnership)f(to)h(the)g(speci\002ed)396
2350 
4610 y(windo)n(w)-6 b(.)29 b(Specifying)c(an)g(o)n(wner)f(of)h(0)g
2351 
(diso)n(wns)e(the)h(selection.)30 b(The)25 b(typelist)e(ar)n(gument)i
2352 
(is)f(a)h(list)396 4739 y(of)g(mime)f(types)g(\(seperated)h(by)g(space)
2353 
g(characters\))h(which)e(the)h(windo)n(w)f(is)g(able)h(to)f(supply)g
2354 
(the)p Black -2 5278 a Fg(62)p Black eop
2355 
%%Page: 63 63
2356 
63 62 bop Black 3023 67 a Fg(Chapter)25 b(1.)30 b(libnano-X)p
2357 
Black 396 579 a Fh(data)25 b(as.)31 b(At)24 b(least)h(one)g(type)f
2358 
(must)g(be)h(speci\002ed)g(unless)f(you)g(are)i(diso)n(wning)c(the)j
2359 
(selection)396 708 y(\(typically)f(te)o(xt/plain)f(for)i(plain)f(ASCII)
2360 
i(te)o(xt)e(or)h(te)o(xt/uri-list)d(for)j(a)g(\002lename\).)396
2361 
888 y(The)g(windo)n(w)e(which)i(o)n(wns)f(the)g(current)h(selection)f
2362 
(must)g(be)h(prepared)g(to)g(handle)396 1017 y(SELECTION_LOST)g(e)n(v)o
2363 
(ents)f(\(recei)n(v)o(ed)g(when)h(another)g(windo)n(w)e(tak)o(es)i(o)n
2364 
(wnership)e(of)i(the)396 1147 y(selection\))g(and)f(CLIENT_D)l(A)-11
2365 
b(T)i(A_REQ)25 b(e)n(v)o(ents)e(\(recei)n(v)o(ed)i(when)f(a)h(client)g
2366 
(wishes)f(to)g(retrei)n(v)o(e)396 1276 y(the)h(selection)f(data\).)833
2367 
1583 y Fa(wid)k Fh(:)50 b(the)24 b(ID)h(of)g(the)g(windo)n(w)e(to)i
2368 
(set)f(the)h(selection)f(o)n(wner)g(to)538 1738 y Fa(typelist)f
2369 
Fh(:)50 b(list)23 b(of)i(mime)f(types)g(selection)g(data)h(can)g(be)g
2370 
(supplied)f(as)396 2239 y Fb(GrGetSelectionOwner)35 b(\(\))396
2371 
2455 y Fc(GR_WINDOW_ID)52 b(GrGetSelectionOwner)641 b(\(GR_CHAR)53
2372 
b(**type-)396 2571 y(list\);)396 2801 y Fh(Finds)25 b(the)f(windo)n(w)g
2373 
(which)g(currently)h(o)n(wns)e(the)i(selection)f(and)h(returns)f(its)g
2374 
(ID,)h(or)g(0)g(if)g(no)396 2930 y(windo)n(w)f(currently)g(o)n(wns)g
2375 
(the)h(selection.)30 b(A)24 b(pointer)h(to)f(the)h(list)e(of)i(mime)f
2376 
(types)g(the)h(selection)396 3060 y(o)n(wner)g(is)f(capable)h(of)g
2377 
(supplying)e(is)h(placed)h(in)g(the)f(pointer)g(speci\002ed)i(by)e(the)
2378 
h(typelist)396 3189 y(ar)n(gument.)31 b(The)24 b(typelist)g(is)g(null)g
2379 
(terminated,)g(and)h(the)f(\002elds)h(are)h(seperated)f(by)f(space)396
2380 
3319 y(characters.)32 b(It)25 b(is)f(the)h(callers)g(responsibility)d
2381 
(to)i(free)i(the)f(typelist)e(string,)h(as)h(it)f(is)g(allocated)396
2382 
3448 y(dynamically)-6 b(.)29 b(If)c(the)g(allocation)f(f)o(ails,)g(it)h
2383 
(will)e(be)i(set)g(to)f(a)i(NULL)e(pointer)l(,)g(so)h(remember)f(to)396
2384 
3578 y(check)h(the)g(v)n(alue)f(of)h(it)g(before)g(using)f(it.)538
2385 
3889 y Fa(typelist)f Fh(:)50 b(pointer)24 b(used)g(to)h(return)f(the)h
2386 
(list)f(of)h(a)n(v)n(ailable)f(mime)g(types)706 4044
2387 
y Fg(Returns)g Fh(:)50 b(the)24 b(ID)h(of)g(the)g(windo)n(w)e(which)i
2388 
(currently)f(o)n(wns)g(the)g(selection,)g(or)h(0)396
2389 
4540 y Fb(GrRequestClientData)37 b(\(\))396 4756 y Fc(void)430
2390 
b(GrRequestClientData)695 b(\(GR_WINDOW_ID)52 b(wid,)2817
2391 
4873 y(GR_WINDOW_ID)g(rid,)p Black 3784 5278 a Fg(63)p
2392 
Black eop
2393 
%%Page: 64 64
2394 
64 63 bop Black -2 67 a Fg(Chapter)24 b(1.)31 b(libnano-X)p
2395 
Black 2817 579 a Fc(GR_SERIALNO)52 b(serial,)2817 695
2396 
y(GR_MIMETYPE)g(mime-)396 812 y(type\);)396 1041 y Fh(Sends)25
2397 
b(a)g(CLIENT_D)l(A)-11 b(T)i(A_REQ)25 b(e)n(v)o(ent)e(to)i(the)f
2398 
(speci\002ed)h(windo)n(w)-6 b(.)29 b(Used)c(for)g(requesting)f(both)396
2399 
1171 y(selection)g(and)h("drag)g(and)f(drop")h(data.)30
2400 
b(The)25 b(mimetype)f(ar)n(gument)g(speci\002es)h(the)g(format)f(of)h
2401 
(the)396 1300 y(data)g(you)f(w)o(ould)g(lik)o(e)h(to)f(recei)n(v)o(e,)h
2402 
(as)g(an)g(inde)o(x)e(into)h(the)h(list)f(returned)g(by)396
2403 
1430 y(GrGetSelectionOwner)h(\(the)g(\002rst)g(type)f(in)h(the)f(list)g
2404 
(is)g(inde)o(x)g(0\).)31 b(The)25 b(serv)o(er)g(mak)o(es)f(no)396
2405 
1559 y(guarantees)h(as)g(to)f(when,)h(or)g(e)n(v)o(en)f(if,)h(the)f
2406 
(client)h(will)f(reply)g(to)h(the)f(request.)31 b(If)25
2407 
b(the)g(client)f(does)396 1689 y(reply)-6 b(,)24 b(the)h(reply)g(will)f
2408 
(tak)o(e)g(the)h(form)g(of)g(one)f(or)h(more)g(CLIENT_D)l(A)-11
2409 
b(T)i(A)24 b(e)n(v)o(ents.)29 b(The)c(request)396 1818
2410 
y(serial)g(number)f(is)h(typically)e(a)i(unique)f(ID)h(which)g(the)f
2411 
(client)h(can)g(assign)f(to)g(a)h(request)g(in)f(order)396
2412 
1948 y(for)h(it)g(to)f(be)h(able)g(to)f(k)o(eep)h(track)g(of)g
2413 
(transfers)g(\(CLIENT_D)l(A)-11 b(T)i(A)25 b(e)n(v)o(ents)e(contain)h
2414 
(the)h(same)396 2077 y(number)g(in)f(the)h(sid)f(\002eld\).)31
2415 
b(Remember)25 b(to)f(free)i(the)f(data)g(\002eld)g(of)g(the)f(CLIENT_D)
2416 
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2417 
(dynamically)d(allocated.)31 b(Also)24 b(note)g(that)g(if)h(the)g
2418 
(allocation)f(f)o(ails)g(the)h(data)g(\002eld)396 2336
2419 
y(will)f(be)h(set)g(to)f(NULL,)h(so)f(you)g(should)g(check)h(the)g(v)n
2420 
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2421 
b(the)24 b(ID)h(of)g(the)g(windo)n(w)e(requesting)h(the)h(data)833
2422 
2802 y Fa(rid)j Fh(:)50 b(the)24 b(ID)h(of)g(the)g(windo)n(w)e(to)i
2423 
(request)f(the)h(data)g(from)657 2957 y Fa(serial)f Fh(:)50
2424 
b(the)24 b(serial)h(number)f(of)h(the)g(request)538 3111
2425 
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2426 
(type)i(to)f(request)396 3608 y Fb(GrSendClientData)35
2427 
b(\(\))396 3824 y Fc(void)430 b(GrSendClientData)857
2428 
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2429 
4057 y(GR_SERIALNO)g(serial,)2817 4173 y(GR_LENGTH)g(len,)2817
2430 
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2431 
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2432 
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2433 
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2434 
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2435 
Black -2 5278 a Fg(64)p Black eop
2436 
%%Page: 65 65
2437 
65 64 bop Black 3023 67 a Fg(Chapter)25 b(1.)30 b(libnano-X)p
2438 
Black 396 579 a Fh(transfer)25 b(serial)g(number)-5 b(.)30
2439 
b(An)o(y)24 b(fragmentation)g(of)g(the)h(data)g(into)f(multiple)f
2440 
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2441 
(required)h(is)g(handled)f(automatically)-6 b(.)29 b(The)c(serial)f
2442 
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2443 
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2444 
b(e)n(v)o(ent.)30 b(The)25 b(thislen)e(parameter)i(is)396
2445 
967 y(used)g(internally)f(to)g(split)g(the)g(data)h(up)g(into)f(pack)o
2446 
(ets.)30 b(It)25 b(should)e(be)i(set)g(to)f(the)h(same)g(v)n(alue)f(as)
2447 
h(the)396 1097 y(len)g(parameter)-5 b(.)833 1409 y Fa(wid)28
2448 
b Fh(:)50 b(the)24 b(ID)h(of)g(the)g(windo)n(w)e(sending)h(the)h(data)
2449 
833 1563 y Fa(did)j Fh(:)50 b(the)24 b(ID)h(of)g(the)g(destination)e
2450 
(windo)n(w)657 1717 y Fa(serial)h Fh(:)837 1872 y Fa(len)g
2451 
Fh(:)50 b(the)24 b(number)g(of)h(bytes)g(of)f(data)h(to)g(transfer)598
2452 
2026 y Fa(thislen)e Fh(:)50 b(the)24 b(number)g(of)h(bytes)g(in)f(this)
2453 
g(pack)o(et)777 2181 y Fa(data)g Fh(:)50 b(pointer)24
2454 
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2455 
b(\(3\))396 3454 y Fe(Name)396 3655 y Fd(misc)24 b Fh(\227)396
2456 
4049 y Fe(Synopsis)396 4498 y Fc(void)430 b(GrReqShmCmds)1073
2457 
b(\(long)53 b(shmsize\);)396 4615 y(void)430 b(GrInjectKeyboardEvent)
2458 
587 b(\(GR_WINDOW_ID)52 b(wid,)2817 4731 y(GR_UNICODE)g(uch,)2817
2459 
4848 y(GR_CHAR)h(ch,)p Black 3784 5278 a Fg(65)p Black
2460 
eop
2461 
%%Page: 66 66
2462 
66 65 bop Black -2 67 a Fg(Chapter)24 b(1.)31 b(libnano-X)p
2463 
Black 2817 579 a Fc(int)53 b(modif,)2817 695 y(int)g(special,)2817
2464 
812 y(un-)396 929 y(signed)g(char)g(content\);)396 1045
2465 
y(void)430 b(GrRegisterInput)911 b(\(int)53 b(fd\);)396
2466 
1162 y(void)430 b(GrPrepareSelect)911 b(\(int)53 b(*maxfd,)2817
2467 
1278 y(void)g(*rfdset\);)396 1395 y(void)430 b(GrServiceSelect)911
2468 
b(\(void)53 b(*rfdset,)2817 1511 y(GR_FNCALLBACKEVENT)d(fncb\);)396
2469 
1628 y(void)430 b(GrBell)1397 b(\(void\);)396 1745 y(void)430
2470 
b(GrSetScreenSaverTimeout)479 b(\(GR_TIMEOUT)52 b(time-)396
2471 
1861 y(out\);)396 2354 y Fe(Description)396 2870 y(Details)396
2472 
3214 y Fb(GrReqShmCmds)35 b(\(\))396 3431 y Fc(void)430
2473 
b(GrReqShmCmds)1073 b(\(long)53 b(shmsize\);)396 3660
2474 
y Fh(Requests)25 b(a)g(shared)g(memory)f(area)i(of)f(the)f(speci\002ed)
2475 
h(size)g(to)g(use)f(for)h(transferring)g(command)396
2476 
3789 y(ar)n(guments.)30 b(This)24 b(is)h(f)o(aster)g(b)n(ut)f(less)g
2477 
(portable)h(than)f(the)h(standard)f(BSD)i(sock)o(ets)e(method)g(of)396
2478 
3919 y(communication)f(\(and)i(of)g(course)g(will)f(only)g(w)o(ork)g
2479 
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2480 
4048 y(machine\).)31 b(Apart)25 b(from)f(the)h(initial)e(allocation)h
2481 
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2482 
4178 y(memory)f(is)h(completely)e(transparent.)31 b(Additionally)-6
2483 
b(,)22 b(if)i(the)h(allocation)f(f)o(ails)g(we)h(silently)f(and)396
2484 
4307 y(automatically)g(f)o(all)g(back)h(on)g(sock)o(et)f
2485 
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2486 
(v)o(en)g(if)396 4437 y(shared)h(memory)f(support)g(is)g(not)h
2487 
(compiled)e(in;)h(it)h(will)f(simply)f(do)h(nothing.)396
2488 
4616 y(FIXME:)h(ho)n(w)f(does)g(the)h(user)g(decide)g(what)f(size)h(of)
2489 
g(shared)g(memory)f(area)i(to)e(allocate?)p Black -2
2490 
5278 a Fg(66)p Black eop
2491 
%%Page: 67 67
2492 
67 66 bop Black 3023 67 a Fg(Chapter)25 b(1.)30 b(libnano-X)p
2493 
Black 598 587 a Fa(shmsize)23 b Fh(:)50 b(the)24 b(size)h(of)g(the)g
2494 
(shared)f(memory)g(area)i(to)f(allocate)396 1083 y Fb(GrInjectK)n(e)n
2495 
(yboar)n(dEvent)36 b(\(\))396 1299 y Fc(void)430 b
2496 
(GrInjectKeyboardEvent)587 b(\(GR_WINDOW_ID)52 b(wid,)2817
2497 
1416 y(GR_UNICODE)g(uch,)2817 1532 y(GR_CHAR)h(ch,)2817
2498 
1649 y(int)g(modif,)2817 1765 y(int)g(special,)2817 1882
2499 
y(unsigned)f(char)h(con-)396 1999 y(tent\);)396 2228
2500 
y Fh(Sends)25 b(a)g(k)o(e)o(yboard)f(e)n(v)o(ent)g(to)h(the)f
2501 
(speci\002ed)h(windo)n(w)-6 b(,)23 b(or)i(to)f(the)h(windo)n(w)f(with)g
2502 
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2503 
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2504 
(to)h(the)396 2487 y(\002elds)g(of)g(the)g(same)f(names)h(in)f(the)h(k)
2505 
o(e)o(yboard)f(e)n(v)o(ent)g(structure.)833 2798 y Fa(wid)k
2506 
Fh(:)50 b(ID)25 b(of)f(the)h(windo)n(w)f(to)g(send)g(the)h(e)n(v)o(ent)
2507 
f(to,)g(or)h(0)837 2953 y Fa(uch)f Fh(:)50 b(32)24 b(bit)g(Unicode)h(k)
2508 
o(e)o(ystrok)o(e)e(v)n(alue)i(to)f(inject)897 3107 y
2509 
Fa(ch)g Fh(:)50 b(8)24 b(bit)g(ascii)h(k)o(e)o(ystrok)o(e)f(v)n(alue)g
2510 
(to)g(inject)711 3262 y Fa(modif)30 b Fh(:)598 3416 y
2511 
Fa(special)23 b Fh(:)50 b(special)24 b(k)o(e)o(ys)g(to)h(inject)598
2512 
3570 y Fa(content)e Fh(:)50 b(mask)24 b(specifying)g(which)g(ar)n
2513 
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2514 
b(\(\))396 4283 y Fc(void)430 b(GrRegisterInput)911 b(\(int)53
2515 
b(fd\);)396 4512 y Fh(Re)o(gister)25 b(an)g(e)o(xtra)f(\002le)h
2516 
(descriptor)g(to)f(monitor)g(in)g(the)h(main)f(select\(\))h(call.)31
2517 
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2518 
(fd)h(has)g(data)g(w)o(aiting)f(to)g(be)h(read)g(if)g(that)g(e)n(v)o
2519 
(ent)e(has)i(been)g(selected)g(for)-5 b(.)p Black 3780
2520 
5278 a Fg(67)p Black eop
2521 
%%Page: 68 68
2522 
68 67 bop Black -2 67 a Fg(Chapter)24 b(1.)31 b(libnano-X)p
2523 
Black 893 587 a Fa(fd)d Fh(:)50 b(the)24 b(\002le)h(descriptor)g(to)f
2524 
(monitor)396 1083 y Fb(GrPrepareSelect)34 b(\(\))396
2525 
1299 y Fc(void)430 b(GrPrepareSelect)911 b(\(int)53 b(*maxfd,)2817
2526 
1416 y(void)g(*rfdset\);)396 1645 y Fh(Prepare)26 b(for)f(a)h
2527 
(GrServiceSelect)g(function)e(by)g(asking)g(the)h(serv)o(er)g(to)f
2528 
(send)h(the)f(ne)o(xt)g(e)n(v)o(ent)g(b)n(ut)396 1774
2529 
y(not)g(w)o(aiting)g(around)h(for)g(it)f(to)h(arri)n(v)o(e)f(and)h
2530 
(initialising)d(the)i(speci\002ed)i(fd_set)e(structure)g(with)g(the)396
2531 
1904 y(client/serv)o(er)g(sock)o(et)h(descriptor)f(and)h(an)o(y)f(pre)n
2532 
(viously)f(re)o(gistered)h(e)o(xternal)g(\002le)i(descriptors.)396
2533 
2033 y(Also)e(compares)h(the)g(current)g(contents)f(of)h(maxfd,)f(the)h
2534 
(client/serv)o(er)e(sock)o(et)i(descriptor)l(,)f(and)396
2535 
2163 y(the)h(pre)n(viously)e(re)o(gistered)h(e)o(xternal)g(\002le)i
2536 
(descriptors,)e(and)g(returns)h(the)g(highest)e(of)i(them)f(in)396
2537 
2292 y(maxfd.)713 2584 y Fa(maxfd)k Fh(:)50 b(pointer)24
2538 
b(to)g(a)h(v)n(ariable)g(which)f(the)h(highest)e(in)i(use)f(fd)h(will)f
2539 
(be)h(written)f(to)657 2738 y Fa(rfdset)g Fh(:)50 b(pointer)24
2540 
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2541 
3255 y Fb(GrSer)q(viceSelect)36 b(\(\))396 3471 y Fc(void)430
2542 
b(GrServiceSelect)911 b(\(void)53 b(*rfdset,)2817 3588
2543 
y(GR_FNCALLBACKEVENT)d(fncb\);)396 3817 y Fh(Used)25
2544 
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2545 
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2546 
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2547 
(speci\002ed)g(by)g(GrRe)o(gisterInput\(\).)657 4258
2548 
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2549 
(set)h(to)f(monitor)775 4412 y Fa(fncb)i Fh(:)50 b(pointer)24
2550 
b(to)g(the)h(function)f(to)g(call)h(when)g(an)g(e)n(v)o(ent)e(needs)i
2551 
(handling)p Black -2 5278 a Fg(68)p Black eop
2552 
%%Page: 69 69
2553 
69 68 bop Black 3023 67 a Fg(Chapter)25 b(1.)30 b(libnano-X)p
2554 
Black 396 583 a Fb(GrBell)k(\(\))396 799 y Fc(void)430
2555 
b(GrBell)1397 b(\(void\);)396 1028 y Fh(Asks)24 b(the)h(serv)o(er)g(to)
2556 
f(ring)h(the)f(console)h(bell)f(on)g(behalf)h(of)g(the)g(client)f
2557 
(\(intended)g(for)h(terminal)396 1158 y(apps)g(to)f(be)h(able)g(to)f
2558 
(ring)h(the)g(bell)f(on)g(the)h(serv)o(er)g(e)n(v)o(en)f(if)h(the)o(y)f
2559 
(are)h(running)f(remotely\).)396 1612 y Fb(GrSetScreenSa)n(verTimeout)
2560 
36 b(\(\))396 1828 y Fc(void)430 b(GrSetScreenSaverTimeout)479
2561 
b(\(GR_TIMEOUT)52 b(time-)396 1945 y(out\);)396 2174
2562 
y Fh(Sets)25 b(the)g(number)f(of)h(seconds)f(of)h(inacti)n(vity)e
2563 
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2564 
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2565 
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2566 
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2567 
(screen)g(sa)n(v)o(er)g(function.)598 2724 y Fa(timeout)e
2568 
Fh(:)50 b(the)24 b(number)g(of)h(seconds)g(of)g(inacti)n(vity)d(before)
2569 
k(screen)f(sa)n(v)o(er)g(acti)n(v)n(ates)p Black 3784
2570 
5278 a Fg(69)p Black eop
2571 
%%Page: 70 70
2572 
70 69 bop Black Black Black Black eop
2573 
%%Trailer
2574 
end
2575 
userdict /end-hook known{end-hook}if
2576 
%%EOF

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