Das hier ist eigentlich nur ein Beispielscript. 
Es soll zeigen, wie man aus einer Bitmap (oder einem Teil davon) einen Brush erstellt.
Die Funktion habe ich aus der GDIP.au3, welche erweiterte GDI+ Funktionen enthält.
Morgen erstelle ich ein schöneres und übersichtlicheres Beispiel, wenn Bedarf besteht.
Spoiler anzeigen
#include <GDIPlus.au3>
#include <GUIConstants.au3>
$iGUIWidth = 400
$iGUIHeight = 400
$GUIColorBG = 0xFFFFFFFF
$iX = 50 ;X-Koordinate des rechteckigen Bitmap Ausschnitts
$iY = 50 ;Y-Koordinate des rechteckigen Bitmap Ausschnitts
$iX2 = 100 ;X-Koordinate der Ellipse
$iY2 = 100 ;Y-Koordinate der Ellipse
$iWidth = 50 ;Breite des rechteckigen Bitmap Ausschnitts
$iHeight = 50 ;Höhe des rechteckigen Bitmap Ausschnitts
$iWidth2 = 50 ;Breite der Ellipse
$iHeight2 = 50 ;Höhe der Ellipse
$hWnd = GUICreate("Test", $iGUIWidth, $iGUIHeight)
GUISetState()
_GDIPlus_Startup()
[/autoit] [autoit][/autoit] [autoit]$hGraphic = _GDIPlus_GraphicsCreateFromHWND($hWnd)
$hBitmap = _GDIPlus_BitmapCreateFromGraphics($iGUIWidth, $iGUIHeight, $hGraphic)
$hBuffer = _GDIPlus_ImageGetGraphicsContext($hBitmap)
_GDIPlus_GraphicsClear($hGraphic, $GUIColorBG)
_GDIPlus_GraphicsClear($hBuffer, $GUIColorBG)
$hImage = _GDIPlus_ImageLoadFromFile(@ScriptDir & "\Test.png")
[/autoit] [autoit][/autoit] [autoit]$hTextureBrush = _GDIPlus_TextureCreate2($hImage, $iX, $iY, $iWidth, $iHeight)
[/autoit] [autoit][/autoit] [autoit]_GDIPlus_GraphicsFillEllipse($hBuffer, $iX2, $iY2, $iWidth2, $iHeight2, $hTextureBrush)
[/autoit] [autoit][/autoit] [autoit]_GDIPlus_GraphicsDrawImageRect($hGraphic, $hBitmap, 0, 0, $iGUIWidth, $iGUIHeight)
[/autoit] [autoit][/autoit] [autoit]While 1
$nMsg = GUIGetMsg()
Switch $nMsg
Case $GUI_EVENT_CLOSE
_GDIPlus_GraphicsDispose($hGraphic)
_GDIPlus_GraphicsDispose($hBuffer)
_GDIPlus_BitmapDispose($hBitmap)
_GDIPlus_ImageDispose($hImage)
_GDIPlus_BrushDispose($hTextureBrush)
_GDIPlus_Shutdown()
Exit
EndSwitch
WEnd
;Die Funktionen sind nicht von mir!!
; #FUNCTION# ====================================================================================================================
; Name...........: _GDIPlus_TextureCreate
; Description ...: Creates a TextureBrush object based on an image and a wrap mode
; Syntax.........: _GDIPlus_TextureCreate($hImage[, $iWrapMode = 0])
; Parameters ....: $hImage - Pointer to an Image object
; $iWrapMode - Wrap mode that specifies how repeated copies of an image are used to tile an area when it is
; +painted with the texture brush:
; |0 - Tiling without flipping
; |1 - Tiles are flipped horizontally as you move from one tile to the next in a row
; |2 - Tiles are flipped vertically as you move from one tile to the next in a column
; |3 - Tiles are flipped horizontally as you move along a row and flipped vertically as you move along a column
; |4 - No tiling takes place
; Return values .: Success - Pointer to a new TextureBrush object
; Failure - 0 and either:
; |@error and @extended are set if DllCall failed
; |$GDIP_STATUS contains a non zero value specifying the error code
; Remarks .......: The size of the brush defaults to the size of the image, so the entire image is used by the brush
; After you are done with the object, call _GDIPlus_BrushDispose to release the object resources
; Related .......: _GDIPlus_BrushDispose
; Link ..........; @@MsdnLink@@ GdipCreateTexture
; Example .......; No
; ===============================================================================================================================
Func _GDIPlus_TextureCreate($hImage, $iWrapMode = 0)
Local $aResult = DllCall($ghGDIPDll, "uint", "GdipCreateTexture", "hwnd", $hImage, "int", $iWrapMode, "int*", 0)
If @error Then Return SetError(@error, @extended, 0)
$GDIP_STATUS = $aResult[0]
Return $aResult[3]
EndFunc ;==>_GDIPlus_TextureCreate
; #FUNCTION# ====================================================================================================================
; Name...........: _GDIPlus_TextureCreate2
; Description ...: Creates a TextureBrush object based on an image, a wrap mode and a defining rectangle
; Syntax.........: _GDIPlus_TextureCreate2($hImage, $nX, $nY, $nWidth, $nHeight[, $iWrapMode = 0])
; Parameters ....: $hImage - Pointer to an Image object
; $nX - Leftmost coordinate of the image portion to be used by this brush
; $nY - Uppermost coordinate of the image portion to be used by this brush
; $nWidth - Width of the brush and width of the image portion to be used by the brush
; $nHeight - Height of the brush and height of the image portion to be used by the brush
; $iWrapMode - Wrap mode that specifies how repeated copies of an image are used to tile an area when it is
; +painted with the texture brush:
; |0 - Tiling without flipping
; |1 - Tiles are flipped horizontally as you move from one tile to the next in a row
; |2 - Tiles are flipped vertically as you move from one tile to the next in a column
; |3 - Tiles are flipped horizontally as you move along a row and flipped vertically as you move along a column
; |4 - No tiling takes place
; Return values .: Success - Pointer to a new TextureBrush object
; Failure - 0 and either:
; |@error and @extended are set if DllCall failed
; |$GDIP_STATUS contains a non zero value specifying the error code
; Remarks .......: After you are done with the object, call _GDIPlus_BrushDispose to release the object resources
; Related .......: _GDIPlus_BrushDispose
; Link ..........; @@MsdnLink@@ GdipCreateTexture2
; Example .......; No
; ===============================================================================================================================
Func _GDIPlus_TextureCreate2($hImage, $nX, $nY, $nWidth, $nHeight, $iWrapMode = 0)
Local $aResult = DllCall($ghGDIPDll, "uint", "GdipCreateTexture2", "hwnd", $hImage, "int", $iWrapMode, "float", $nX, "float", $nY, "float", $nWidth, "float", $nHeight, "int*", 0)
If @error Then Return SetError(@error, @extended, 0)
$GDIP_STATUS = $aResult[0]
Return $aResult[7]
EndFunc ;==>_GDIPlus_TextureCreate2
