Specifies whether gamma correction is enabled for a path gradient brush
#include <GDIPlus.au3>
_GDIPlus_PathBrushSetGammaCorrection ( $hPathGradientBrush, $bUseGammaCorrection )
| $hPathGradientBrush | Pointer to a PathGradientBrush object |
| $bUseGammaCorrection | If True, gamma correction is enabled; otherwise, gamma correction is disabled |
| Success: | True. |
| Failure: | False and sets the @error flag to non-zero, @extended may contain GPSTATUS error code ($GPIP_ERR* see GPIPlusConstants.au3). |
Search GdipSetPathGradientGammaCorrection in MSDN Library.
#include <GDIPlus.au3>
#include <GUIConstantsEx.au3>
Example()
Func Example()
Local $hGUI = GUICreate("GDI+", 200, 180)
GUISetState(@SW_SHOW)
_GDIPlus_Startup()
Local $hGraphics = _GDIPlus_GraphicsCreateFromHWND($hGUI)
_GDIPlus_GraphicsSetSmoothingMode($hGraphics, $GDIP_SMOOTHINGMODE_HIGHQUALITY)
_GDIPlus_GraphicsClear($hGraphics, 0xFF000000)
Local $hPath = _GDIPlus_PathCreate()
_GDIPlus_PathAddEllipse($hPath, 10, 10, 180, 160)
Local $hBrush = _GDIPlus_PathBrushCreateFromPath($hPath)
_GDIPlus_PathBrushSetCenterColor($hBrush, 0xFFFFFF00)
_GDIPlus_PathBrushSetCenterPoint($hBrush, 90, 80)
_GDIPlus_PathBrushSetSurroundColor($hBrush, 0xFF0000FF)
_GDIPlus_PathBrushSetGammaCorrection($hBrush, True)
Local $aRect = _GDIPlus_PathBrushGetRect($hBrush)
_GDIPlus_GraphicsFillRect($hGraphics, $aRect[0], $aRect[1], $aRect[2], $aRect[3], $hBrush)
; Loop until the user exits.
Do
Until GUIGetMsg() = $GUI_EVENT_CLOSE
; Clean up resources
_GDIPlus_BrushDispose($hBrush)
_GDIPlus_PathDispose($hPath)
_GDIPlus_GraphicsDispose($hGraphics)
_GDIPlus_Shutdown()
EndFunc ;==>Example