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DRAW.BAS
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BASIC Source File
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1993-12-30
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4KB
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151 lines
'Example drawing program for Liberty BASIC for OS/2
lineThickness$ = "1"
color$ = "black"
button #1, "red", [colorRed], UL, 5, 5
button #1, "yellow", [colorYellow], UL, 40, 5
button #1, "green", [colorGreen], UL, 95, 5
button #1, "blue", [colorBlue], UL, 143, 5
button #1, "circle", [setForEllipse], UR, 75, 5
button #1, "square", [setForBox], UR, 20, 5
button #1, "line", [setForLine], UR, 125, 5
button #1, "size", [lineThickness], UR, 165, 5
open "Liberty Draw" for graphics_fs_nsb as #1
print #1, "when leftButtonDown [startDraw]"
print #1, "when rightButtonUp [cls]"
print #1, "down"
print #1, "color black"
goto [setForLine]
[inputLoop]
input r$
goto [inputLoop]
[startDraw]
startX = MouseX
startY = MouseY
print #1, "place "; startX; " "; startY
goto [inputLoop]
[firstLine]
print #1, "when leftButtonMove [trackLine]"
print #1, "line "; startX; " "; startY; " "; MouseX; " "; MouseY
oMouseY = MouseY
oMouseX = MouseX
goto [inputLoop]
[firstFrame]
print #1, "when leftButtonMove [trackBox]"
print #1, "box "; MouseX; " "; MouseY
oMouseY = MouseY
oMouseX = MouseX
goto [inputLoop]
[trackBox]
print #1, "color white"
print #1, "box "; oMouseX; " "; oMouseY
print #1, "color black"
print #1, "place "; startX; " "; startY
print #1, "box "; MouseX; " "; MouseY
oMouseY = MouseY
oMouseX = MouseX
goto [inputLoop]
[trackLine]
print #1, "color white"
print #1, "line "; startX; " "; startY; " "; oMouseX; " "; oMouseY
print #1, "color black"
print #1, "place "; startX; " "; startY
print #1, "line "; startX; " "; startY; " "; MouseX; " "; MouseY
oMouseY = MouseY
oMouseX = MouseX
goto [inputLoop]
[finishLine]
print #1, "when leftButtonMove [firstLine]"
print #1, "discard"
print #1, "color "; color$; " ; line "; startX; " "; startY; " "; MouseX; " "; MouseY
print #1, "flush ; redraw"
goto [inputLoop]
[finishBox]
print #1, "when leftButtonMove [firstFrame]"
print #1, "discard"
print #1, "color "; color$; " ; boxfilled "; MouseX; " "; MouseY
print #1, "flush ; redraw"
goto [inputLoop]
[finishEllipse]
print #1, "when leftButtonMove [firstFrame]"
print #1, "discard"
print #1, "place "; int((startX+MouseX)/2); " "; int((startY+MouseY)/2)
print #1, "color "; color$; " ; ellipsefilled "; abs(MouseX-startX); " "; abs(MouseY-startY)
print #1, "flush ; redraw"
goto [inputLoop]
[cls]
print #1, "cls"
goto [inputLoop]
[setForLine]
print #1, "when leftButtonMove [firstLine]"
print #1, "when leftButtonUp [finishLine]"
goto [inputLoop]
[setForBox]
print #1, "when leftButtonMove [firstFrame]"
print #1, "when leftButtonUp [finishBox]"
goto [inputLoop]
[setForEllipse]
print #1, "when leftButtonMove [firstFrame]"
print #1, "when leftButtonUp [finishEllipse]"
goto [inputLoop]
[colorRed]
color$ = "red"
goto [inputLoop]
[colorYellow]
color$ = "yellow"
goto [inputLoop]
[colorGreen]
color$ = "green"
goto [inputLoop]
[colorBlue]
color$ = "blue"
goto [inputLoop]
[lineThickness]
prompt "Line Thickness"; lineThickness$
print #1, "size "; lineThickness$
goto [inputLoop]
[printIt]
print #1, "print"
goto [inputLoop]
'end of program
end