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/DynaPDF/GlyphOutline
Function:
Required plugins for this example: MBS DynaPDF Plugin
You find this example project in your Plugins Download as a Xojo project file within the examples folder: /DynaPDF/GlyphOutline
This example is the version from Sat, 1st Apr 2016.
Project "GlyphOutline.rbp"
FileTypes
Filetype text
End FileTypes
MenuBar MenuBar1
MenuItem UntitledMenu1 = ""
MenuItem FileMenu = "&File"
MenuItem FileQuit = "Quit"
MenuItem EditMenu = "&Edit"
MenuItem EditUndo = "&Undo"
MenuItem UntitledMenu0 = "-"
MenuItem EditCut = "Cu&t"
MenuItem EditCopy = "&Copy"
MenuItem EditPaste = "&Paste"
MenuItem EditClear = "Clear"
End MenuBar
Class App Inherits Application
EventHandler Sub Open() dim pdf as new MyDynapdfMBS dim d as new date dim f as FolderItem = SpecialFolder.Desktop.Child("GlyphOutline.pdf") pdf.SetLicenseKey "Starter" // For this example you can use a Starter, Lite, Pro or Enterprise License call pdf.CreateNewPDF f // We want to use top-down coordinates call pdf.SetPageCoords pdf.kpcTopDown call pdf.Append // The font size is NOT considered by GetGlyphOutline! call pdf.SetFont "Arial", pdf.kfsRegular, 10.0, true, pdf.kcp1252 dim text as string = "Hello World" dim len as integer = len(text) dim x as integer = 50 dim y as integer = 50 dim fontSize as double = 40 dim Scale as Double = fontSize / 1000.0 for i as integer = 1 to len dim ch as string = text.Mid(i,1) dim idx as integer = pdf.GetGlyphIndex( asc(ch)) dim glyph as DynaPDFGlyphOutlineMBS = pdf.GetGlyphOutline(idx) if glyph <> nil then // See definition above DrawGlyph(PDF, x, y + fontSize, fontSize, glyph) x = x + glyph.AdvanceX * scale end if next call pdf.EndPage call pdf.CloseFile f.Launch quit End EventHandler
Sub DrawGlyph(pdf as DynaPDFMBS, PosX as Double, PosY as Double, FontSize as Double, Outline as DynaPDFGlyphOutlineMBS) dim idx as integer = 0 dim size as integer = Outline.OutlineCount if size = 0 then Return dim x1 as Double = 0 dim y1 as Double = 0 dim x2 as Double = 0 dim y2 as Double = 0 dim fs as Double = FontSize / 1000.0 dim s as Double = fs / 64.0 dim u as integer = size - 1 for i as integer = 0 to u dim p as DynapdfPointMBS = Outline.Outline(i) dim px as integer = p.x dim py as integer = p.y dim cmdX as integer = BitwiseAnd(px, 3) dim cmdY as integer = BitwiseAnd(py, 3) dim cmd as integer = BitwiseOr(cmdX, Bitwise.ShiftLeft(cmdY, 2)) dim ppx as integer = Bitwise.ShiftRight(px, 2) dim ppy as integer = Bitwise.ShiftRight(py, 2) dim x as double = PosX + ppx * s dim y as double = PosY - ppy * s // Variant for top down coordinates (+ otherwise). // use random colors call pdf.SetFillColor pdf.RGB(rnd * 256, rnd*256, rnd*256) Select case cmd case 1 call pdf.MoveTo(x, y) case 2 call pdf.LineTo(x, y) case 3 idx = idx + 1 select case idx case 1 x1 = x y1 = y case 2 idx = 0 call pdf.Bezier_2_3(x1, y1, x, y) end Select case 4 idx = idx + 1 select case idx case 1 x1 = x y1 = y case 2 x2 = x y2 = y case 3 idx = 0 call pdf.Bezier_1_2_3(x1, y1, x2, y2, x, y) end Select else break // error? end Select next call pdf.ClosePath(pdf.kfmFill) End Sub
End Class
Class MyDynaPDFMBS Inherits DynaPDFMBS
EventHandler Function Error(ErrorCode as integer, ErrorMessage as string, ErrorType as integer) As integer // output all messages on the console: System.DebugLog str(ErrorCode)+": "+ErrorMessage // and display dialog: Dim d as New MessageDialog //declare the MessageDialog object Dim b as MessageDialogButton //for handling the result d.icon=MessageDialog.GraphicCaution //display warning icon d.ActionButton.Caption="Continue" d.CancelButton.Visible=True //show the Cancel button // a warning or an error? if BitAnd(ErrorType, me.kE_WARNING) = me.kE_WARNING then // if user decided to ignore, we'll ignore if IgnoreWarnings then Return 0 d.Message="A warning occurred while processing your PDF code." // we add a third button to display all warnings d.AlternateActionButton.Caption = "Ignore warnings" d.AlternateActionButton.Visible = true else d.Message="An error occurred while processing your PDF code." end if d.Explanation = str(ErrorCode)+": "+ErrorMessage b=d.ShowModal //display the dialog Select Case b //determine which button was pressed. Case d.ActionButton Return 0 // ignore Case d.AlternateActionButton IgnoreWarnings = true Return 0 // ignore Case d.CancelButton Return -1 // stop End select End EventHandler
Property IgnoreWarnings As Boolean
End Class
End Project

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The items on this page are in the following plugins: MBS DynaPDF Plugin.




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