Clears a Graphics object to a specified color
#include <GDIPlus.au3>
_GDIPlus_GraphicsClear ( $hGraphics [, $iARGB = 0xFF000000] )
$hGraphics | Handle to a Graphics object |
$iARGB | [optional] Alpha, Red, Green and Blue components of color |
Success: | True. |
Failure: | False and sets the @error flag to non-zero, @extended may contain GPSTATUS error code ($GPIP_ERR* see GPIPlusConstants.au3). |
Search GdipGraphicsClear in MSDN Library.
#include <GDIPlus.au3>
#include <GUIConstantsEx.au3>
#include <ScreenCapture.au3>
#include <WinAPIHObj.au3>
Example()
Func Example()
Local $hBitmap, $hImage, $hGraphic
; Initialize GDI+ library
_GDIPlus_Startup()
; Capture screen region
$hBitmap = _ScreenCapture_Capture("", 0, 0, 400, 300)
$hImage = _GDIPlus_BitmapCreateFromHBITMAP($hBitmap)
; Clear the screen capture
$hGraphic = _GDIPlus_ImageGetGraphicsContext($hImage)
_GDIPlus_GraphicsClear($hGraphic)
; Save resultant image
_GDIPlus_ImageSaveToFile($hImage, @MyDocumentsDir & "\GDIPlus_Image.jpg")
; Clean up resources
_GDIPlus_GraphicsDispose($hGraphic)
_GDIPlus_ImageDispose($hImage)
_WinAPI_DeleteObject($hBitmap)
; Shut down GDI+ library
_GDIPlus_Shutdown()
ShellExecute(@MyDocumentsDir & "\GDIPlus_Image.jpg")
EndFunc ;==>Example