Platforms to show: All Mac Windows Linux Cross-Platform
Required plugins for this example: MBS Util Plugin
You find this example project in your Plugins Download as a Xojo project file within the examples folder: /Util/Memory Copy test
This example is the version from Sun, 17th Mar 2012.
Project "Memory Copy test.xojo_binary_project"
FileTypes
Filetype text
End FileTypes
Class Window1 Inherits Window
Control ListBox1 Inherits ListBox
ControlInstance ListBox1 Inherits ListBox
End Control
EventHandler Sub Open()
dim m1,m2,m3 as MemoryBlock
dim t1,t2,t3,t4,t5,t6 as integer
t1=ticks
m1=NewMemoryBlock(40000000)
t2=ticks
m1.FillBytesMBS 0,m1.Size,123
t3=ticks
//m2=MetMemDouble(m1,257)
'm2=MetMemDouble2(m1,257)
m2=MetMemDouble3(m1,257)
t4=ticks
//m3=MetMemHalf(m2,257)
'm3=MetMemHalf2(m2,257)
m3=MetMemHalf3(m2,257)
t5=ticks
if m3.BytesEqualMBS(0,m1.Size,m1,0) then
Title="equal"
else
Title="not equal"
end if
t6=ticks
ListBox1.AddRow Format(t2-t1,"0")+" new"
ListBox1.AddRow Format(t3-t2,"0")+" fill"
ListBox1.AddRow Format(t4-t3,"0")+" double"
ListBox1.AddRow Format(t5-t4,"0")+" half"
ListBox1.AddRow Format(t6-t5,"0")+" equal"
End EventHandler
End Class
MenuBar MenuBar1
MenuItem UntitledMenu1 = ""
MenuItem FileMenu = "&File"
MenuItem FileQuit = "Quit"
MenuItem EditMenu = "&Edit"
MenuItem EditUndo = "Undo"
MenuItem UntitledMenu0 = "-"
MenuItem EditCut = "Cut"
MenuItem EditCopy = "Copy"
MenuItem EditPaste = "Paste"
MenuItem EditClear = "Clear"
End MenuBar
Class App Inherits Application
End Class
Module MetMem
Function MetMemDouble(minput As memoryBlock, values As integer) As MemoryBlock
dim moutput As memoryBlock
dim bytepos As integer
dim memsize1, memsize2 As integer
//Var
memsize1=minput.size
memsize2=memsize1*2
//Neuer Memoryblock
moutput=NewMemoryBlock(memsize2)
if moutput=nil then
MsgBox "Fehler: Beim doppeln des Speicherabbildes (Eingabe) ist ein Fehler aufgetreten!"
return nil
end if
//Block doppeln
for bytepos=0 to memsize1-1
moutput.UShort(bytepos*2)=minput.byte(bytepos)*values //256
next
//Zurück
return moutput
End Function
Function MetMemDouble2(minput As memoryBlock, values As integer) As memoryBlock
#pragma DisableAutoWaitCursor
#pragma DisableBackgroundTasks
#pragma DisableBoundsChecking
dim moutput As memoryBlock
dim bytepos As integer
dim n, memsize1, memsize2 As integer
//Var
memsize1=minput.size
memsize2=memsize1*2
//Neuer Memoryblock
moutput=NewMemoryBlock(memsize2)
if moutput=nil then
MsgBox "Fehler: Beim doppeln des Speicherabbildes (Eingabe) ist ein Fehler aufgetreten!"
return nil
end if
//Block doppeln
n=memsize1-1
for bytepos=0 to n
moutput.UShort(bytepos*2)=minput.byte(bytepos)*values //256
next
//Zurück
return moutput
End Function
Function MetMemDouble3(minput As memoryBlock, values As integer) As memoryBlock
#pragma DisableAutoWaitCursor
#pragma DisableBackgroundTasks
#pragma DisableBoundsChecking
dim moutput As memoryBlock
dim bytepos As integer
dim n, memsize1, memsize2 As integer
//Var
memsize1=minput.size
memsize2=memsize1*2
//Neuer Memoryblock
moutput=NewMemoryBlock(memsize2)
if moutput=nil then
MsgBox "Fehler: Beim doppeln des Speicherabbildes (Eingabe) ist ein Fehler aufgetreten!"
return nil
end if
minput.CopyByteToUShortMBS(moutput,0,0,memsize1,values)
//Zurück
return moutput
End Function
Function MetMemHalf(minput As memoryBlock, values As integer) As MemoryBlock
dim moutput As memoryBlock
dim bytepos As integer
dim memsize1, memsize2 As integer
//Var
memsize1=minput.size
memsize2=memsize1/2
//Neuer Memoryblock
moutput=NewMemoryBlock(memsize2)
if moutput=nil then
MsgBox "Fehler: Beim doppeln des Speicherabbildes (Ausgabe) ist ein Fehler aufgetreten!"
return nil
end if
//Block doppeln
for bytepos=0 to memsize1-2 step 2
moutput.Byte(bytepos/2)=minput.Ushort(bytepos)/values //257
next
//Zurück
return moutput
End Function
Function MetMemHalf2(minput As memoryBlock, values As integer) As memoryBlock
#pragma DisableAutoWaitCursor
#pragma DisableBackgroundTasks
#pragma DisableBoundsChecking
dim moutput As memoryBlock
dim bytepos As integer
dim n,memsize1, memsize2 As integer
//Var
memsize1=minput.size
memsize2=memsize1\2
//Neuer Memoryblock
moutput=NewMemoryBlock(memsize2)
if moutput=nil then
MsgBox "Fehler: Beim doppeln des Speicherabbildes (Ausgabe) ist ein Fehler aufgetreten!"
return nil
end if
//Block doppeln
n=memsize1-2
for bytepos=0 to n step 2
moutput.Byte(bytepos/2)=minput.Ushort(bytepos)\values //257
next
//Zurück
return moutput
End Function
Function MetMemHalf3(minput As memoryBlock, values As integer) As memoryBlock
#pragma DisableAutoWaitCursor
#pragma DisableBackgroundTasks
#pragma DisableBoundsChecking
dim moutput As memoryBlock
dim bytepos As integer
dim n,memsize1, memsize2 As integer
//Var
memsize1=minput.size
memsize2=memsize1\2
//Neuer Memoryblock
moutput=NewMemoryBlock(memsize2)
if moutput=nil then
MsgBox "Fehler: Beim doppeln des Speicherabbildes (Ausgabe) ist ein Fehler aufgetreten!"
return nil
end if
minput.CopyUShortToByteMBS(moutput,0,0,memsize2,values)
//Zurück
return moutput
End Function
End Module
End Project
See also:
The items on this page are in the following plugins: MBS Util Plugin.
