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/Images/LargePicture/PictureMBS scale
Function:
Required plugins for this example: MBS Images Plugin, MBS Main Plugin
You find this example project in your Plugins Download as a Xojo project file within the examples folder: /Images/LargePicture/PictureMBS scale
This example is the version from Sun, 17th Mar 2012.
Project "PictureMBS scale.rbp"
Class App Inherits Application
Const kEditClear = "&Delete"
Const kFileQuit = "&Quit"
Const kFileQuitShortcut = ""
EventHandler Sub Open() dim p as new MyPictureFactoryMBS PictureFactoryMBS.SetFactory p End EventHandler
End Class
Class Window1 Inherits Window
EventHandler Sub Open() ImageFormat=PictureMBS.ImageFormatRGB logo=new PictureMBS(LogoMBS(500)) update End EventHandler
EventHandler Sub Resized() update End EventHandler
Function ImageFormatG() As Boolean ImageFormat=PictureMBS.ImageFormatG update Return True End Function
Function ImageFormatGA() As Boolean ImageFormat=PictureMBS.ImageFormatGA update Return True End Function
Function ImageFormatRGB() As Boolean ImageFormat=PictureMBS.ImageFormatRGB update Return True End Function
Function ImageFormatRGBA() As Boolean ImageFormat=PictureMBS.ImageFormatRGBA update Return True End Function
Sub update() p=new PictureMBS(Width,Height,ImageFormat) if mode=0 then call p.ScaleFast(logo, Width, Height) else // we need a temporary picture // provide the temp picture outself: 'dim temp as new PictureMBS(Width, p.Height, PictureMBS.ImageFormatScaling) ' 'if temp.Valid=false then 'MsgBox "Out of memory" 'quit 'else 'call p.Scale(logo, temp, mode, Width, Height) 'end if // or do it automatically using the PictureFactoryMBS: if p.Scale(logo, nil, mode, Width, Height)=false then MsgBox "Out of memory" quit end if end if Backdrop=p.CopyPicture Title=str(Width)+" x "+str(Height)+" with mode "+str(mode) End Sub
Property ImageFormat As Integer
Property Mode As Integer
Property Private logo As picturembs
Property p As PictureMBS
End Class
MenuBar MenuBar1
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"
MenuItem ScaleModeMenu = "Scale Mode"
MenuItem ScaleMode(0) = "Fast"
MenuItem ScaleMode(1) = "Triangle"
MenuItem ScaleMode(2) = "Box"
MenuItem ScaleMode(3) = "Lanczos3"
MenuItem ScaleMode(4) = "Lanczos8"
MenuItem ScaleMode(5) = "Mitchell"
MenuItem ScaleMode(6) = "Poly3"
MenuItem ScaleMode(7) = "Cubic"
MenuItem ImageModeMenu = "Image Mode"
MenuItem ImageFormatRGB = "RGB"
MenuItem ImageFormatRGBA = "RGBA"
MenuItem ImageFormatG = "G"
MenuItem ImageFormatGA = "GA"
End MenuBar
Class ScaleMenuItem Inherits MenuItem
EventHandler Function Action() As Boolean window1.mode=me.Index window1.Update End EventHandler
EventHandler Sub EnableMenu() me.Checked=window1.mode=index me.Enable End EventHandler
End Class
Class MyPictureFactoryMBS Inherits PictureFactoryMBS
EventHandler Function NewPictureMBS(Width as integer, Height as integer, ImageFormat as integer) As PictureMBS Return new PictureMBS(Width, Height, ImageFormat) End EventHandler
End Class
End Project

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




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