You find this example project in your Plugins Download as a Xojo project file within the examples folder: /Tools/Clipper/Clipper Offset Test
Class App Inherits Application
Const kEditClear = "&Delete"
Const kFileQuit = "&Quit"
Const kFileQuitShortcut = ""
End Class
Class Window1 Inherits Window
EventHandler Sub Open()
dim p as new Picture(Width, Height, 32)
dim subj as new ClipperPathMBS
dim solution as ClipperPathsMBS
subj.Append new ClipperPointMBS(348,257)
subj.Append new ClipperPointMBS(364,148)
subj.Append new ClipperPointMBS(362,148)
subj.Append new ClipperPointMBS(326,241)
subj.Append new ClipperPointMBS(295,219)
subj.Append new ClipperPointMBS(258,88)
subj.Append new ClipperPointMBS(440,129)
subj.Append new ClipperPointMBS(370,196)
subj.Append new ClipperPointMBS(372,275)
const EndTypeClosedPolygon = 0
const JoinTypeRound = 1
dim co as new ClipperOffsetMBS
co.AddPath(subj, JoinTypeRound, EndTypeClosedPolygon)
co.Execute(solution, -7.0)
DrawPolygon(p.graphics, subj, &c888888)
dim solution0 as ClipperPathMBS = solution.Value(0)
dim solution1 as ClipperPathMBS = solution.Value(1)
'dim values0() as ClipperPointMBS = solution0.Values
'dim values1() as ClipperPointMBS = solution1.Values
//draw solution ...
DrawPolygon(p.graphics, solution0, &c4000FF)
DrawPolygon(p.graphics, solution1, &cFF0099)
Backdrop = p
End EventHandler
Sub DrawPolygon(g as graphics, p as ClipperPathMBS, c as color)
dim coordinates(0) as integer
dim points() as ClipperPointMBS = p.Values
for each point as ClipperPointMBS in points
coordinates.Append point.x
coordinates.Append point.y
next
g.ForeColor = c
g.FillPolygon coordinates
End Sub
End Class
MenuBar MainMenuBar
MenuItem FileMenu = "&File"
MenuItem FileQuit = "#App.kFileQuit"
MenuItem EditMenu = "&Edit"
MenuItem EditUndo = "&Undo"
MenuItem EditSeparator1 = "-"
MenuItem EditCut = "Cu&t"
MenuItem EditCopy = "&Copy"
MenuItem EditPaste = "&Paste"
MenuItem EditClear = "#App.kEditClear"
MenuItem EditSeparator2 = "-"
MenuItem EditSelectAll = "Select &All"
End MenuBar