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You find this example project in your Plugins Download as a Xojo project file within the examples folder: /iOS/Photo Picker Desktop
This example is the version from Sat, 24th Mar 2023.
Project "Photo Picker Desktop.xojo_binary_project"
Class App Inherits Application
Const kEditClear = "&Delete"
Const kFileQuit = "&Quit"
Const kFileQuitShortcut = ""
End Class
Class MainWindow Inherits Window
Control PickButton Inherits PushButton
ControlInstance PickButton Inherits PushButton
EventHandler Sub Action()
Dim configuration As New PHPickerConfigurationMBS
configuration.Filter = PHPickerFilterMBS.imagesFilter
// set to zero for unlimited
configuration.SelectionLimit = 1
configuration.Selection = configuration.SelectionDefault
configuration.PreferredAssetRepresentationMode = configuration.AssetRepresentationModeCompatible
picker = New PHPickerViewController(configuration)
picker.ParentWindow = Self
picker.Present
End EventHandler
End Control
Control Canvas1 Inherits Canvas
ControlInstance Canvas1 Inherits Canvas
EventHandler Sub Paint(g As Graphics, areas() As REALbasic.Rect)
If pic <> Nil Then
Dim faktor As Double = Min( g.Height / Pic.Height, g.Width / Pic.Width)
// Calculate new size
Dim w As Integer = Pic.Width * faktor
Dim h As Integer = Pic.Height * faktor
// draw picture in the new size
g.DrawPicture Pic, 0, 0, w, h, 0, 0, Pic.Width, Pic.Height
end If
End EventHandler
End Control
Sub LoadFileRepresentationCompleted(File as FolderItem, error as NSErrorMBS, result as PHPickerResultMBS)
System.DebugLog CurrentMethodName
if error <> nil then
MessageBox error.LocalizedDescription
end if
if file <> nil then
System.DebugLog file.NativePath
// normal opening
#if MBS.HasMacCIPlugin = false then
// load directly. Picture may be rotated
pic = Picture.Open(file)
Canvas1.Refresh
#else
// use CIImage to rotate to always be top left orientation
Dim ciImage As CIImageMBS = New CIImageMBS(file)
Dim properties As Dictionary = ciImage.properties
If properties.HasKey("Orientation") Then
Dim orientation As Integer = ciImage.properties.Value("Orientation")
ciImage = ciImage.imageByApplyingOrientation(orientation)
End If
Dim cgPic As CGImageMBS = ciImage.CreateCGImage
pic = cgPic.Picture
Canvas1.Refresh
#endif
end if
End Sub
Sub PickerFinished(results() as PHPickerResultMBS)
System.DebugLog CurrentMethodName
self.Results = results
if results.Count = 0 then Return
dim result as PHPickerResultMBS = results(0)
Dim registeredTypeIdentifiers() As String = result.TypeIdentifiers
System.DebugLog "Types: "+String.FromArray(registeredTypeIdentifiers, EndOfLine)
// HEIC available?
if registeredTypeIdentifiers.IndexOf("public.heic") >= 0 then
result.loadFileRepresentationForTypeIdentifier("public.heic", WeakAddressOf LoadFileRepresentationCompleted)
elseif registeredTypeIdentifiers.IndexOf("public.png") >= 0 then
// try png
const identifier = "public.png"
result.loadFileRepresentationForTypeIdentifier(identifier, WeakAddressOf LoadFileRepresentationCompleted)
else
// try jpeg
const identifier = "public.jpeg"
result.loadFileRepresentationForTypeIdentifier(identifier, WeakAddressOf LoadFileRepresentationCompleted)
end if
End Sub
Property Picker As PHPickerViewController
Property Results() As PHPickerResultMBS
Property Private pic As Picture
End Class
MenuBar MainMenuBar
MenuItem FileMenu = "&File"
MenuItem FileQuit = "#App.kFileQuit"
MenuItem EditMenu = "&Edit"
MenuItem EditUndo = "&Undo"
MenuItem EditSeparator1 = "-"
MenuItem EditCut = "Cu&t"
MenuItem EditCopy = "&Copy"
MenuItem EditPaste = "&Paste"
MenuItem EditClear = "#App.kEditClear"
MenuItem EditSeparator2 = "-"
MenuItem EditSelectAll = "Select &All"
MenuItem HelpMenu = "&Help"
End MenuBar
Class PHPickerViewController Inherits PHPickerViewControllerMBS
ComputedProperty ParentWindow As MainWindow
Sub Set()
if value = nil then
mParentWindow = Nil
else
mParentWindow = new WeakRef(value)
end if
End Set
Sub Get()
If mParentWindow <> Nil Then
Dim v As Variant = mParentWindow.Value
return v
end if
End Get
End ComputedProperty
EventHandler Sub didFinishPicking(Result() as PHPickerResultMBS)
ParentWindow.PickerFinished result
self.Dismiss
End EventHandler
Property Private mParentWindow As weakRef
End Class
End Project
See also:
The items on this page are in the following plugins: MBS iOS Plugin.
