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control.c
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C/C++ Source or Header
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1990-02-14
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2KB
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104 lines
#include "bezpt.h"
#include "control.h"
#include "scrnio.h"
#include "mytypes.h"
CURMODE CurMode = DRAWPOLY;
void SetFitBez()
{
if( GetNumSegs() < 1 ) {
return;
}
ClrWindow(true);
CurMode = FITBEZIER;
XdrawAllBezSegs();
}
void SetPolyDraw()
{
ClrWindow(true);
CurMode = DRAWPOLY;
ClearSegments();
}
/* one of Leonaards Additions */
void EditStartPt(x,y)
int x, y;
{
DrawStartPt();
XdrawBezSeg();
if( PrevSegNo() != GetNumSegs() ) {
PrevSeg();
XdrawBezSeg();
NextSeg();
}
StartPtX( GetCurSeg()) = x;
StartPtY( GetCurSeg()) = y;
if( PrevSegNo() != GetNumSegs() ) {
PrevSeg();
XdrawBezSeg();
NextSeg();
}
XdrawBezSeg();
DrawStartPt();
}
void EditEndPt(x,y)
int x, y;
{
DrawEndPt();
XdrawBezSeg();
if( NextSegNo() != GetFirstSeg() ) {
NextSeg();
XdrawBezSeg();
PrevSeg();
}
EndPtX( GetCurSeg()) = x;
EndPtY( GetCurSeg()) = y;
if( NextSegNo() != GetFirstSeg() ) {
NextSeg();
XdrawBezSeg();
PrevSeg();
}
XdrawBezSeg();
DrawEndPt();
}
void EditControl0(x,y)
int x, y;
{
DrawControl0();
XdrawBezSeg();
Cntrl1X(GetCurSeg()) = x;
Cntrl1Y(GetCurSeg()) = y;
XdrawBezSeg();
DrawControl0();
}
void EditControl1(x,y)
int x, y;
{
DrawControl1();
XdrawBezSeg();
Cntrl2X(GetCurSeg()) = x;
Cntrl2Y(GetCurSeg()) = y;
XdrawBezSeg();
DrawControl1();
}