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GRAF3.DOC
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1993-04-15
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74 lines
unit graf3;
interface
uses Crt,Dos,Graph,
{$IFDEF DPMI} winapi, {$endif}
generic;
var mousesize:longint; { size of image behind mouse }
mouseptr:pointer; { image behind mouse }
graffont,graffontsize, { font used for menus etc. set by grafon. }
hrmousex,hrmousey, { mouse x & y - graf coords - hi res vid modes }
grafdriver,grafmode,grafresult,vesa16num,bgi256num,
{ set by initgraph in grafon }
vidmode:integer; { vidmode is set by grafon.
1=EGA 640x350
2=VGA 640x480
3=VESA 800x600
4=VESA 1024x768
5=VESA 1280x1024
6=320x200 256 colors
7=600x400 256 colors
8=600x480 256 colors
9=800x600 256 colors
10=1024x768 256 colors }
procedure grafon(fontpath:string);
{ initgraf with egavga, vesa16, and 256 color drivers and 10 fonts.
works in both real and protected modes. use instead of initgraf. speeds up
graphics. looks in current dir for external drivers & fonts. automatically
loads and registers all 10 stroked fonts. fontpath is directory containing
drivers and font files (''=current dir). if any command line param 1-5 is
bgidir=<dir> then uses <dir> to override fontpath. searches for
rockvid.dat file in current dir. if found reads in vidmode setting in
rockvid.dat and starts in that video mode. Otherwise it autodetects the
best mode available and starts in that video mode. Use closegraph
(in bp7 graph unit) to return to text mode. }
procedure setvid(k:integer);
{ sets video to start in a specific mode. call before grafon. writes a
rockvid.dat file to the current dir, which is then found and used by
grafon. K is the video mode to start in. values for k are same as
vidmode values listed above. }
procedure initdrivers(fontpath:string; load256:boolean);
{ allocates memory for fonts and video drivers, loads fonts and drivers,
registers fonts and drivers. call once at program start before using the
heap and before calling grafon for the first time. fontpath is same as
in grafon. if load256=true, loads & registers 256 color driver. 256
color driver works in real mode only. }
implementation