Function Reference


_GDIPlus_PathIterNextMarkerPath

Gets the next marker-delimited section of an iterator's associated path

#include <GDIPlus.au3>
_GDIPlus_PathIterNextMarkerPath ( $hPathIter, $hPath )

Parameters

$hPathIter Pointer to a GraphicsPathIterator object
$hPath Pointer to a GraphicsPath object

Return Value

Success: the number of point in the retrieved section or 0 if no more sections to be retrieved
Failure: -1 and sets the @error flag to non-zero, @extended may contains GPSTATUS error code ($GDIP_ERR* see GDIPlusConstants.au3).

Remarks

This function sets the data points of the specified GraphicsPath object to match the data points of the retrieved section.

Related

_GDIPlus_PathIterRewind, _GDIPlus_PathSetMarker

See Also

Search GdipPathIterNextMarkerPath in MSDN Library.

Example

#include <GDIPlus.au3>
#include <GUIConstantsEx.au3>

Example()

Func Example()
        Local $hGUI = GUICreate("GDI+", 600, 300)
        GUISetState(@SW_SHOW)

        _GDIPlus_Startup()
        Local $hGraphics = _GDIPlus_GraphicsCreateFromHWND($hGUI)
        Local $hBmp_Buffer = _GDIPlus_BitmapCreateFromGraphics(600, 300, $hGraphics)
        Local $hGfx_Buffer = _GDIPlus_ImageGetGraphicsContext($hBmp_Buffer)
        _GDIPlus_GraphicsSetSmoothingMode($hGfx_Buffer, $GDIP_SMOOTHINGMODE_HIGHQUALITY)
        _GDIPlus_GraphicsClear($hGfx_Buffer, 0xFF000000)

        Local $hBrush = _GDIPlus_BrushCreateSolid(0xFFAA00FF)
        Local $hPen = _GDIPlus_PenCreate(0xFFFFBB00, 2)

        Local $hPath = _GDIPlus_PathCreate()
        Local $hFormat = _GDIPlus_StringFormatCreate()
        _GDIPlus_StringFormatSetAlign($hFormat, 1)
        Local $hFamily = _GDIPlus_FontFamilyCreate("Arial")
        Local $tLayout = _GDIPlus_RectFCreate(0, 0, 600, 300)
        _GDIPlus_PathAddString($hPath, "AutoIt rulez!", $tLayout, $hFamily, 0, 112, $hFormat)
        _GDIPlus_StringFormatDispose($hFormat)
        _GDIPlus_FontFamilyDispose($hFamily)

        Local $hIter = _GDIPlus_PathIterCreate($hPath)
        Local $hSubPath = _GDIPlus_PathCreate();Path to get the subpath figure

        Local $iPointCount
        While 1
                _GDIPlus_PathReset($hSubPath)

                ;e.g. The letter A is composed of two sub-paths - compare with _GDIPlus_PathIterNextSubpathPath
                $iPointCount = _GDIPlus_PathIterNextMarkerPath($hIter, $hSubPath)
                If $iPointCount <= 0 Then ExitLoop ;No more figures

                _GDIPlus_PenSetColor($hPen, BitOR(0xFF000000, Random(0xFF, 0xFFFFFF, 1)))
                _GDIPlus_BrushSetSolidColor($hBrush, BitOR(0xFF000000, Random(0xFF, 0xFFFFFF, 1)))

                _GDIPlus_GraphicsFillPath($hGfx_Buffer, $hSubPath, $hBrush)
                _GDIPlus_GraphicsDrawPath($hGfx_Buffer, $hSubPath, $hPen)
        WEnd

        _GDIPlus_GraphicsDrawImage($hGraphics, $hBmp_Buffer, 0, 0)

        ; Loop until the user exits.
        Do
        Until GUIGetMsg() = $GUI_EVENT_CLOSE

        ; Clean up resources
        _GDIPlus_PathDispose($hSubPath)
        _GDIPlus_PathIterDispose($hIter)
        _GDIPlus_PathDispose($hPath)
        _GDIPlus_BrushDispose($hBrush)
        _GDIPlus_PenDispose($hPen)
        _GDIPlus_GraphicsDispose($hGfx_Buffer)
        _GDIPlus_BitmapDispose($hBmp_Buffer)
        _GDIPlus_GraphicsDispose($hGraphics)
        _GDIPlus_Shutdown()
EndFunc   ;==>Example