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/Images/LargePicture/PictureMBS display huge picture
Required plugins for this example: MBS Images Plugin
You find this example project in your Plugins Download as a Xojo project file within the examples folder: /Images/LargePicture/PictureMBS display huge picture
This example is the version from Sun, 17th Mar 2012.
Project "PictureMBS display huge picture.xojo_binary_project"
Class App Inherits Application
Const kEditClear = "&Delete"
Const kFileQuit = "&Quit"
Const kFileQuitShortcut = ""
End Class
Class Window1 Inherits Window
Control Canvas1 Inherits Canvas
ControlInstance Canvas1 Inherits Canvas
End Control
Control PushButton14 Inherits PushButton
ControlInstance PushButton14 Inherits PushButton
EventHandler Sub Action()
dim f as FolderItem
f=GetopenFolderItem(FileTypes.Png)
if f<>Nil then
Current=nil
dim p as new PNGReaderMBS
if p.OpenFile(f) then
if p.ApplyOptions(0) then
Current=new PictureMBS(p.Width,1000,PictureMBS.ImageFormatRGB)
dim i,c as integer
// ignore 4500 lines
for i=1 to 4500
call p.ReadRow()
next
// read next 1000 lines
for i=0 to 999
Current.RowInFormat(i, PictureMBS.ImageFormatRGBA)=p.ReadRow()
next
// display with x=7000
Canvas1.Backdrop=current.CopyPicture(7000,0,1000,1000)
end if
end if
end if
End EventHandler
End Control
EventHandler Sub Close()
quit
End EventHandler
EventHandler Sub Open()
self.Maximize
End EventHandler
Property Current 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"
End MenuBar
FileTypes
Filetype image/png
End FileTypes
End Project
See also:
- /Images/LargePicture/PictureMBS
- /Images/LargePicture/PictureMBS ApplyMatrix Example
- /Images/LargePicture/PictureMBS as a big memoryblock
- /Images/LargePicture/PictureMBS boxblur benchmark
- /Images/LargePicture/PictureMBS Draw methods
- /Images/LargePicture/PictureMBS drawing
- /Images/LargePicture/PictureMBS filters
- /Images/LargePicture/PictureMBS mirror and rotate
- /Images/LargePicture/PictureMBS rotate benchmark
- /Images/LargePicture/PictureMBS scale
The items on this page are in the following plugins: MBS Images Plugin.