Release a bitmap object
#include <GDIPlus.au3>
_GDIPlus_BitmapDispose ( $hBitmap )
| $hBitmap | Handle to a bitmap object |
| Success: | True |
| Failure: | False and sets the @error flag to non-zero, @extended may contain GPSTATUS error code ($GPIP_ERR* see GPIPlusConstants.au3). |
Search GdipDisposeImage in MSDN Library.
#include <GDIPlus.au3>
#include <MsgBoxConstants.au3>
Global $g_hBitmap
Example()
Func Example()
Local $sFile = FileOpenDialog("Select an image (non JPG)", "", "Images (*.bmp;*.png;*.gif;*.tif)")
If @error Then
MsgBox($MB_SYSTEMMODAL, "", "Aborted", 30)
Return False
EndIf
_GDIPlus_Startup() ;initialize GDI+
$g_hBitmap = _GDIPlus_BitmapCreateFromFile($sFile) ;create a bitmap object from file
If @error Then
_GDIPlus_Shutdown()
MsgBox(($MB_SYSTEMMODAL + $MB_ICONHAND), "", "An error has occured - unable to load image!", 30)
Return False
EndIf
Local $sNewJPGFile = StringTrimRight($sFile, 3) & "jpg", $iAnswer = 0
If FileExists($sNewJPGFile) Then
$iAnswer = MsgBox(($MB_YESNO + $MB_ICONQUESTION + $MB_SYSTEMMODAL), "", '"' & $sNewJPGFile & '" already exists. Overwrite?')
If $iAnswer <> $IDYES Then
_ReleaseResources()
Return False
EndIf
EndIf
_GDIPlus_ImageSaveToFile($g_hBitmap, $sNewJPGFile) ;save image in JPG format
If @error Then
MsgBox(($MB_SYSTEMMODAL + $MB_ICONHAND), "", "An error has occured - unable to save image!", 30)
Else
ShellExecute($sNewJPGFile)
EndIf
_ReleaseResources()
EndFunc ;==>Example
Func _ReleaseResources()
_GDIPlus_BitmapDispose($g_hBitmap) ;release a bitmap object
_GDIPlus_Shutdown()
EndFunc ;==>_ReleaseResources