FileTypes

Filetype text

End FileTypes

MenuBar MenuBar1

MenuItem UntitledMenu1 = ""

MenuItem FileMenu = "&File"

MenuItem FileQuit = "Quit"

MenuItem UntitledMenu5 = ""

MenuItem EditMenu = "&Edit"

MenuItem EditUndo = "&Undo"

MenuItem UntitledMenu0 = "-"

MenuItem EditCut = "Cu&t"

MenuItem EditCopy = "&Copy"

MenuItem EditPaste = "&Paste"

MenuItem EditClear = "Clear"

MenuItem UntitledMenu4 = ""

MenuItem UntitledMenu3 = ""

MenuItem UntitledMenu2 = ""

End MenuBar

Class App Inherits Application

EventHandler Sub Open() Dim pdf As New MyDynapdfMBS dim f as FolderItem = SpecialFolder.Desktop.Child("Create PDF with Circle Text.pdf") // create new PDF call pdf.CreateNewPDF f pdf.SetLicenseKey "Starter" // For this example you can use a Starter, Lite, Pro or Enterprise License // new page call pdf.Append If True Then Const pi = 3.1415926535897932384626433832795 Call pdf.SetFontEx("Arial", pdf.kfsRegular, 12.0, True, pdf.kcpUnicode) dim txt as string = "This text flows around a circle... " dim len as integer = len(txt) dim width as double = pdf.GetTextWidth(txt) // circumference = d * pi or 2 * r * pi dim r as double = width / pi * 0.5 // we need two rotations // at -90 degree the first character should have rotation of 0 degree // and the text should go in a circle. // so we calculate first the destination position for a character and // then we rotate it there in place dim m as new DynapdfMatrixMBS dim alpha, w, si, co, x, y as double dim a as double = -90.0 / 180.0 * pi dim g as double = 0.0 dim character as string = left(txt,1) w = pdf.GetTextWidth(character) // We change the rotating angle, so we rotate character in the center // We subtract it back later with WriteAngleText() g = w / r * 0.5 a = a + g for i as integer = 1 to len // calculate length of character character = mid(txt,i,1) w = pdf.GetTextWidth(character) si = sin(a) co = cos(a) // we rotate the coordinate system at point 250, 590... m.a = co m.b = si m.c = -si m.d = co m.x = 350.0 m.y = 690.0 x = -r y = 0.0 m.Transform(x, y) alpha = ((a-g) * 180.0 / pi) + 90.0 call pdf.WriteAngleText(character, alpha, x, y, 0.0, 0.0) a = a - w / r // Radians Next end if Const pi = 3.1415926535897932384626433832795 Call pdf.SetFontEx("Arial", pdf.kfsRegular, 9.6, True, pdf.kcpUnicode) Dim txt As String = "* TRY ROTATING TEXT INSIDE A CIRCLE TURNING ON THE RIGHT " Dim Len As Integer = Len(txt) Dim width As Double = pdf.GetTextWidth(txt) // circumference = d * pi or 2 * r * pi Dim r As Double = width / pi * 0.5 Dim m As New DynapdfMatrixMBS Dim alpha, w, si, co, x, y As Double Dim a As Double = 90.0 / 180.0 * pi Dim g As Double = 0.0 Dim character As String = Left(txt,1) w = pdf.GetTextWidth(character) // We change the rotating angle, so we rotate character in the center // We subtract it back later with WriteAngleText() g = w / r * 0.5 a = a + g For i As Integer = 1 To Len // calculate length of character character = Mid(txt,i,1) w = pdf.GetTextWidth(character) si = Sin(a) co = Cos(a) a = a + w / r // Radians // we rotate the coordinate system at point 250, 590... m.a = co m.b = si m.c = -si m.d = co m.x = 250.0 m.y = 600.0 x = -r - 8 y = 0.0 m.Transform(x, y) alpha = ((a-g) * 180.0 / pi) - 90.0 Call pdf.WriteAngleText(character, alpha, x, y, 0.0, 0.0) Next Call pdf.SetStrokeColor pdf.RGB(0,0,0) // red Call pdf.DrawCircle(250,600, 64, pdf.kfmStroke) Call pdf.DrawCircle(250,600, 48, pdf.kfmStroke) // finish page call pdf.EndPage // Close file call pdf.CloseFile // open PDF f.Launch End EventHandler

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