Function Reference


_GDIPlus_PathBrushSetPresetBlend

Sets the preset colors and the blend positions of a path gradient brush

#include <GDIPlus.au3>
_GDIPlus_PathBrushSetPresetBlend ( $hPathGradientBrush, $aInterpolations )

Parameters

$hPathGradientBrush Pointer to a PathGradientBrush object
$aInterpolations Array of blend colors and blend positions:
    [0][0] - Number of preset colors and blend positions
    [1][0] - Color 1
    [1][1] - Position 1
    [2][0] - Color 2
    [2][1] - Position 2
    [n][0] - Color n
    [n][1] - Position n

Return Value

Success: True.
Failure: False and sets the @error flag to non-zero, @extended may contain GPSTATUS error code ($GPID_ERR*).

See Also

Search GdipSetPathGradientPresetBlend in MSDN Library.

Example

#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_PathBrushSetCenterPoint($hBrush, 100, 90)

    Local $aBlend[4][2] = [[3]]
    $aBlend[1][0] = 0xFFFF0000 ;red
    $aBlend[1][1] = 0 ;position = boundary
    $aBlend[2][0] = 0xFF00FF00 ;green
    $aBlend[2][1] = 0.7 ;70% of distance boundary->center point
    $aBlend[3][0] = 0xFF0000FF ;blue
    $aBlend[3][1] = 1 ;center point
    _GDIPlus_PathBrushSetPresetBlend($hBrush, $aBlend)

    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