gambas-source-code/app/examples/OpenGL/PDFPresentation/.src/FMain.class
2019-05-20 05:29:48 +03:00

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Text

' Gambas class file
Private currentDoc As CpdfPresentation
'PUBLIC Screen AS NEW Window(TRUE) AS "Screen"
Private currentLogo As Clogo
Public Sub glaPresentation_Draw()
If Not currentDoc Then Return
If Not MMain.ShowLogo Then
currentDoc.Draw()
Else
currentLogo.Draw()
If currentLogo.Finished = True Then MMain.ShowLogo = False
Endif
End
Public Sub glaPresentation_KeyPress()
If Key.code = Key.Escape Then Me.Close()
If Key.Code = key["f"] Then
Me.FullScreen = Not Me.Fullscreen
panSelect.Visible = Not Me.FullScreen
Endif
If Not MMain.ShowLogo Then
' right arrow
If Key.Code = Key.Right Then currentDoc.MoveNext()
' left arrow
If Key.code = Key.Left Then currentDoc.MovePrev()
Else
If Key.Code = Key.Space Then currentLogo.Quit()
Endif
End
Public Sub glaPresentation_Resize()
If Not currentDoc Then Return
If MMain.ShowLogo Then
currentLogo.Resize(glaPresentation.Width, glaPresentation.Height)
Else
currentDoc.Resize(glaPresentation.Width, glaPresentation.Height)
Endif
End
Public Sub Form_Open()
glaPresentation.SetFocus
End
Public Sub timUpdate_Timer()
glaPresentation.Refresh
End
Public Sub btnPath_Click()
Dim sPath As String
Dialog.Title = ("Select a PDF file")
Dialog.Filter = ["*.pdf", ("PDF files")]
If Dialog.OpenFile() Then Return
sPath = Dialog.Path
txtPath.Text = sPath
timUpdate.Stop
CurrentDoc = New CpdfPresentation(sPath, MMain.FrameRate)
currentDoc.Effect = currentDoc.Rotate
currentLogo = New Clogo(MMain.FrameRate)
glaPresentation_Resize
timUpdate.Delay = 1000 / MMain.FrameRate
Print ("Frame rate is") & " "; Format(1000 / timUpdate.Delay, "#.##"); " " & ("images by second")
timUpdate.Start
glaPresentation.SetFocus
End
Public Sub glaPresentation_MouseWheel()
If Not currentDoc Then Return
If MMain.ShowLogo Then Return
If Mouse.Delta < 0 Then
currentDoc.ZoomIn
Else
currentDoc.ZoomOut
Endif
End
Public Sub btnHelp_Click()
Message(("<h2>PDFPresentation example</h2><i>Made by Laurent Carlier & Benoît Minisini.</i><p>") &
("Select a PDF file, then press SPACE. Use the left and right arrows to flick through the document."))
glaPresentation.SetFocus
End