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MBSSep2018MunichDE
XDCMay2019MiamiUSA

Platforms to show: All Mac Windows Linux Cross-Platform

/MacCG/CoreImage/Simple Filter Chain
Function:
Required plugins for this example: MBS MacBase Plugin, MBS MacCG Plugin, MBS Main Plugin
You find this example project in your Plugins Download as a Xojo project file within the examples folder: /MacCG/CoreImage/Simple Filter Chain
This example is the version from Mon, 6th Oct 2013.
Project "Simple Filter Chain.rbp"
Class Window1 Inherits Window
Control BrightnessSlider Inherits Slider
ControlInstance BrightnessSlider Inherits Slider
EventHandler Sub ValueChanged() update End EventHandler
End Control
Control out Inherits Canvas
ControlInstance out Inherits Canvas
End Control
Control Label1 Inherits Label
ControlInstance Label1 Inherits Label
End Control
Control ContrastSlider Inherits Slider
ControlInstance ContrastSlider Inherits Slider
EventHandler Sub ValueChanged() update End EventHandler
End Control
Control Label2 Inherits Label
ControlInstance Label2 Inherits Label
End Control
Control SaturationSlider Inherits Slider
ControlInstance SaturationSlider Inherits Slider
EventHandler Sub ValueChanged() update End EventHandler
End Control
Control Label3 Inherits Label
ControlInstance Label3 Inherits Label
End Control
Control AngleSlider Inherits Slider
ControlInstance AngleSlider Inherits Slider
EventHandler Sub ValueChanged() update End EventHandler
End Control
Control Label4 Inherits Label
ControlInstance Label4 Inherits Label
End Control
Control BevelButton1 Inherits BevelButton
ControlInstance BevelButton1 Inherits BevelButton
EventHandler Sub Action() BrightnessSlider.Value = 0 ContrastSlider.Value = 100 SaturationSlider.Value = 100 AngleSlider.Value = 0 End EventHandler
End Control
Control BevelButton2 Inherits BevelButton
ControlInstance BevelButton2 Inherits BevelButton
EventHandler Sub Action() dim f as FolderItem = GetOpenFolderItem(FileTypes1.Any) if f = nil then Return // cancel load f End EventHandler
End Control
Control BevelButton3 Inherits BevelButton
ControlInstance BevelButton3 Inherits BevelButton
EventHandler Sub Action() // Like update, but without scaling down dim f as FolderItem = GetSaveFolderItem(FileTypes1.Png, "output.png") if f = nil then Return // cancel dim ColorFilter as new CIFilterColorControlsMBS ColorFilter.inputImage = inputImage ColorFilter.inputBrightness = BrightnessSlider.Value / 100.0 ColorFilter.inputContrast = ContrastSlider.Value / 100.0 ColorFilter.inputSaturation = SaturationSlider.Value / 100.0 dim HueFilter as new CIFilterHueAdjustMBS HueFilter.inputImage = ColorFilter.outputImage HueFilter.inputAngle = AngleSlider.Value / 100.0 dim OutputImage as CIImageMBS = HueFilter.outputImage dim image as NSImageMBS = OutputImage.RenderNSImage(false) dim pngData as MemoryBlock = image.PNGRepresentation dim b as BinaryStream = BinaryStream.Create(f, true) b.Write pngData End EventHandler
End Control
EventHandler Sub Open() Load LogoMBS(500) End EventHandler
Protected Sub Load(f as FolderItem) dim i as new CIImageMBS(f) if i.Handle = 0 then MsgBox "Failed to read image." Return end if InputImage = i update End Sub
Protected Sub Load(p as Picture) dim c as CGImageMBS = CGCreateImageMBS(p) if c = nil then MsgBox "Failed to allocate image" Return end if InputImage = new CIImageMBS(c) update End Sub
Protected Sub Update() dim ScaleFilter as new CIFilterLanczosScaleTransformMBS ScaleFilter.inputImage = InputImage ScaleFilter.inputScale = 1.0 // min( canvas1.Width / InputImage.Width, canvas1.Height / InputImage.Height) dim ColorFilter as new CIFilterColorControlsMBS ColorFilter.inputImage = ScaleFilter.outputImage ColorFilter.inputBrightness = BrightnessSlider.Value / 100.0 ColorFilter.inputContrast = ContrastSlider.Value / 100.0 ColorFilter.inputSaturation = SaturationSlider.Value / 100.0 dim HueFilter as new CIFilterHueAdjustMBS HueFilter.inputImage = ColorFilter.outputImage HueFilter.inputAngle = AngleSlider.Value / 100.0 OutputImage = HueFilter.outputImage out.Backdrop = outputImage.RenderPicture End Sub
Property Protected InputImage As CIImageMBS
Property Protected OutputImage As CIImageMBS
Property Protected count As integer
End Class
MenuBar Menu
MenuItem UntitledMenu3 = ""
MenuItem UntitledMenu2 = "File"
MenuItem FileQuit = "Quit"
MenuItem UntitledMenu0 = "Edit"
MenuItem EditUndo = "Undo"
MenuItem UntitledMenu1 = "-"
MenuItem EditCut = "Cut"
MenuItem EditCopy = "Copy"
MenuItem EditPaste = "Paste"
MenuItem EditClear = "Clear"
End MenuBar
Class App Inherits Application
EventHandler Sub Open() if TargetMachO then else MsgBox "This project needs a MachO target." end if End EventHandler
End Class
ExternalFile juz
End ExternalFile
FileTypes1
Filetype special/any
Filetype image/png
End FileTypes1
End Project

See also:

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





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MBS FileMaker Plugins