Platforms to show: All Mac Windows Linux Cross-Platform
/MacCG/Open Image using CoreImage
Required plugins for this example: MBS MacCF Plugin, MBS MacCG Plugin, MBS Main Plugin, MBS MacCI Plugin
Last modified Tue, 16th Sep 2019.
You find this example project in your MBS Xojo Plugin download as a Xojo project file within the examples folder: /MacCG/Open Image using CoreImage
Download this example: Open Image using CoreImage.zip
Project "Open Image using CoreImage.xojo_binary_project"
MyFileTypes1
Filetype text
Filetype all
End MyFileTypes1
Class Window1 Inherits Window
EventHandler Sub DropObject(obj As DragItem, action As Integer)
if obj.FolderItemAvailable then
process obj.FolderItem
end if
End EventHandler
EventHandler Sub Open()
me.AcceptFileDrop "all"
End EventHandler
Protected Sub process(f as folderitem)
dim p as Picture
p=f.OpenAsCoreImage
if p<>Nil then
Backdrop=p
MaxWidth=p.Width
MaxHeight=p.Height
else
MsgBox "Could not read picture from "+f.Name
end if
End Sub
End Class
MenuBar MenuBar1
MenuItem UntitledMenu1 = ""
MenuItem FileMenu = "&File"
MenuItem FileQuit = "Quit"
MenuItem UntitledMenu5 = ""
MenuItem EditMenu = "&Edit"
MenuItem EditUndo = "&Undo"
MenuItem UntitledMenu0 = "-"
MenuItem EditCut = "Cu&t"
MenuItem EditCopy = "&Copy"
MenuItem EditPaste = "&Paste"
MenuItem EditClear = "Clear"
MenuItem UntitledMenu4 = ""
MenuItem UntitledMenu3 = ""
MenuItem UntitledMenu2 = ""
End MenuBar
Class App Inherits Application
End Class
Module Module1
Function OpenAsCoreImage(extends f as folderitem) As picture
// Open using CoreImage
'dim width as integer
'dim height as integer
dim c as CIImageMBS
'dim g as CGPictureContextMBS
'dim r as CGRectMBS
'dim cg as CIContextMBS
// load image from file
c=NewCIImagewithFileMBS(f)
if c<>nil then
return c.RenderPicture
'r=c.Extent
'width=r.MaxX
'height=r.MaxY
'
'g=new CGPictureContextMBS(width,height)
'if g.Handle<>0 then // valid?
'cg=NewCIContextMBS(g)
'
'if cg<>Nil then
'cg.DrawImageRect c,CGMakeRectMBS(0,0,width,height),r
'cg=nil
'end if
'
'Return g.CopyPicture
'end if
end if
End Function
End Module
End Project
Download this example: Open Image using CoreImage.zip
The items on this page are in the following plugins: MBS MacCG Plugin.
