Platforms to show: All Mac Windows Linux Cross-Platform
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 Wed, 14th Sep 2021.
Project "GlyphOutline.xojo_binary_project"
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 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.kcpUnicode
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 = px / 4 // Bitwise.ShiftRight(px, 2)
dim ppy as integer = py / 4 // 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)
If y < 10 Then
Break
End If
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.kfmStroke)
End Sub
Sub DrawGlyphColored(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 = px / 4 // Bitwise.ShiftRight(px, 2)
Dim ppy As Integer = py / 4 // 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.SetStrokeColor pdf.RGB(Rnd * 200, Rnd*200, Rnd*200)
If y < 10 Then
Break
End If
Select Case cmd
case 1
Call pdf.MoveTo(x, y)
Case 2
call pdf.LineTo(x, y)
Call pdf.ClosePath(pdf.kfmStrokeNoClose)
Call pdf.MoveTo(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)
Call pdf.ClosePath(pdf.kfmStrokeNoClose)
Call pdf.MoveTo(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)
Call pdf.ClosePath(pdf.kfmStrokeNoClose)
Call pdf.MoveTo(x, y)
End Select
else
break // error?
end Select
next
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
The items on this page are in the following plugins: MBS DynaPDF Plugin.