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Rotating Text

Use this subroutine to put text on your form or picture box at different angles. For vertically down, use the angle on 270, and vertically up, use the angle of 90.


Public Declare Function CreateFont Lib _
"gdi32" Alias "CreateFontA" (ByVal _
Height As Long, ByVal Width As Long, _
ByVal Escapement As Long, ByVal _
Orientation As Long, ByVal Weight _
As Long, ByVal Italic As Long, ByVal _
Underline As Long, ByVal StrikeOut As _
Long, ByVal CharSet As Long, ByVal _
OutputPrecision As Long, ByVal _
ClipPrecision As Long, ByVal Quality _
As Long, ByVal PitchAndFamily As _
Long, ByVal Face As String) As Long

Public Declare Function SelectObject _
Lib "gdi32" (ByVal hdc As Long, ByVal _
hObject As Long) As Long

Public Declare Function DeleteObject _
Lib "gdi32" (ByVal hObject As Long) As Long

Public Const FW_BOLD = 700
Public Const FW_NORMAL = 400
Public Const ANSI_CHARSET = 0
Public Const PROOF_QUALITY = 2
Public Const DEFAULT_PITCH = 0
Public Const FF_DONTCARE = 0

Module Code

Paste the following code into a module.

Public Sub dotext(angpict As Object, _
angfont As StdFont, angtext As String, _
angle As Single)

' Parameters:
' angpict: picture box, etc to draw text in
' angfont: Font object with info about font to use
' angtext: text to print
' angle : angle, measured anti-clockwise from horizontal: ----->

Dim newfont As Long
Dim oldfont As Long
Dim angweight As Long

If angfont.Bold = True Then 
  angweight = FW_BOLD 
  angweight = FW_NORMAL
End If

newfont = CreateFont(angfont.Size * 2, _
0, angle * 10, 0, angweight, _
angfont.Italic, angfont.Underline, _
angfont.Strikethrough, ANSI_CHARSET, _

oldfont = SelectObject(angpict.hdc, newfont)

angpict.CurrentX = 1000
angpict.CurrentY = 1000
angpict.Print angtext

newfont = SelectObject(angpict.hdc, oldfont)

If DeleteObject(newfont) = 0 Then
' could not remove font from GDI heap
End If

End Sub


This sub works by creating a logical font in the GDI heap. It then sets the font of the control to this logical font, keeping a record of the old logical font. It then prints the font, then resets the old font. Lastly, to free up memory, it deletes the logical font from the GDI heap.


GDI Heap:
Area of system memory used to store infomation about the graphical interface of windows.

Logical font:
This a pointer to a physical font file on disk.



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