Files
TempleOS-Rijn/Demo/Graphics/Speedline.CPP
T
2018-09-08 21:46:02 +02:00

52 lines
1019 B
C++

//This is a drawing program
public U0 SpeedLineDemo()
{
I64 msg_code,cnt,x1,y1,x2,y2,p1,p2,color=BLACK;
CDC *dc=DCAlias;
dc->color=color;
SettingsPush; //See $LK,"SettingsPush",A="MN:SettingsPush"$
Fs->win_inhibit=WIG_TASK_DFT-WIF_FOCUS-WIF_BORDER;
WinMax;
WinBorder;
WordStat;
DCFill;
DocClear;
do {
msg_code=GetMsg(&p1,&p2,
1<<MSG_KEY_DOWN+1<<MSG_IP_L_DOWN+
1<<MSG_IP_R_UP);
switch (msg_code) {
case MSG_IP_R_UP:
color=PopUpColor;
if (color>=0)
dc->color=color;
break;
case MSG_IP_L_DOWN:
x1=p1; y1=p2;
x2=p1; y2=p2;
cnt=0;
while (msg_code!=MSG_IP_L_UP) {
dc->pen_width=0.04*ip_speed;
GrLine3(dc,x1,y1,0,x2,y2,0);
msg_code=GetMsg(&p1,&p2,
1<<MSG_IP_L_UP+1<<MSG_IP_MOVE);
x1=x2; y1=y2;
x2=p1; y2=p2;
}
GrLine3(dc,x1,y1,0,x2,y2,0);
break;
case MSG_KEY_DOWN:
break;
}
} while (msg_code!=MSG_KEY_DOWN || !p1);
GetMsg(,,1<<MSG_KEY_UP);
DCFill;
DCDel(dc);
SettingsPop;
}
SpeedLineDemo; //Execute when #included