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/DynaPDF/DynaPDF Graphics/VectorGraphics Alignments


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/DynaPDF Graphics/VectorGraphics Alignments

This example is the version from Tue, 4th May 2020.

Project "VectorGraphics Alignments.xojo_binary_project"
Class App Inherits Application
Const kEditClear = "&Delete"
Const kFileQuit = "&Quit"
Const kFileQuitShortcut = ""
End Class
Class MainWindow Inherits Window
Control VectorCanvas Inherits Canvas
ControlInstance VectorCanvas Inherits Canvas
EventHandler Sub Paint(g As Graphics, areas() As REALbasic.Rect) g.DrawObject(group, 100, 100) 'mSavePicture = New Picture(Me.Width, Me.Height, 32) 'mSavePicture.Graphics.DrawObject(group, 100, 100) 'g.DrawPicture(mSavePicture, 0, 0) End EventHandler
End Control
EventHandler Sub Open() BuildGroup MakePDF End EventHandler
Sub BuildGroup() Dim group As New Group2D Dim r As New RectShape r.x = 0 r.y = 0 r.Width = 1000 r.Height = 1 r.FillColor = &c000000 group.Append r For y As Integer = 0 To 5 #If XojoVersion < 2019.02 Dim s As New StringShape s.HorizontalAlignment = StringShape.Alignment.Center s.VerticalAlignment = CType(y, StringShape.Alignment) s.Text = "Vertical "+Str(y) s.TextFont = "Helvetica" #Else // since Xojo 2019r2 we have TextShape, which is a renamed StringShape Dim s As New TextShape s.HorizontalAlignment = TextShape.Alignment.Center s.VerticalAlignment = CType(y, TextShape.Alignment) s.Value = "Vertical "+Str(y) s.FontName = "Helvetica" #EndIf s.Bold = True s.X = y * 80 s.Y = 0 group.Append(s) Next r= New RectShape r.x = 200 r.y = 200 r.Width = 1 r.Height = 1000 r.FillColor = &c000000 group.Append r For y As Integer = 0 To 5 #If XojoVersion < 2019.02 Dim s As New StringShape s.Text = "Horizontal "+Str(y) s.TextFont = "Helvetica" s.HorizontalAlignment = CType(y, StringShape.Alignment) s.VerticalAlignment = StringShape.Alignment.Center #Else Dim s As New TextShape s.Value = "Horizontal "+Str(y) s.FontName = "Helvetica" s.HorizontalAlignment = CType(y, TextShape.Alignment) s.VerticalAlignment = TextShape.Alignment.Center #EndIf s.Bold = True s.X = 200 s.Y = y * 80+200 group.Append(s) Next Self.group = group End Sub
Sub MakePDF() Dim pdf As New MyDynapdfMBS Dim f1 As FolderItem = SpecialFolder.Desktop.Child("DynaPDF VectorGraphics.pdf") Dim f2 As FolderItem = SpecialFolder.Desktop.Child("DynaPDF VectorGraphics.png") Dim f3 As FolderItem = SpecialFolder.Desktop.Child("DynaPDF VectorGraphics Rendered.png") 'pdf.SetLicenseKey "Starter" // For this example you can use a Starter, Lite, Pro or Enterprise License If Not pdf.CreateNewPDF(f1) Then Return End If Call pdf.Append Dim g As Graphics = pdf.PageGraphics g.DrawObject group, 100, 100 // for debugging, show temp picture Dim p As Picture = pdf.PageGraphicsPicture p.Save(f2, p.SaveAsPNG) Call pdf.EndPage if pdf.HasPro then Call pdf.RenderPageToImage(1, f3, 72, 0, 0, pdf.krfDefault, pdf.kpxfRGB, pdf.kcfFlate, pdf.kifmPNG) End If Call pdf.CloseFile f1.Launch True End Sub
Property group As Group2D
End Class
MenuBar MainMenuBar
MenuItem FileMenu = "&File"
MenuItem FileQuit = "#App.kFileQuit"
MenuItem EditMenu = "&Edit"
MenuItem EditUndo = "&Undo"
MenuItem UntitledMenu1 = "-"
MenuItem EditCut = "Cu&t"
MenuItem EditCopy = "&Copy"
MenuItem EditPaste = "&Paste"
MenuItem EditClear = "#App.kEditClear"
MenuItem UntitledMenu0 = "-"
MenuItem EditSelectAll = "Select &All"
End MenuBar
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
EventHandler Function PageBreak(LastPosX as double, LastPosY as double, PageBreak as boolean) As integer PageBreak = true Return -1 // stop End EventHandler
Property IgnoreWarnings As Boolean
Property PageBreak As Boolean
End Class
End Project

See also:

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


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