Function Reference


_GDIPlus_PenSetLineJoin

Sets the line join for a Pen object

#include <GDIPlus.au3>
_GDIPlus_PenSetLineJoin ( $hPen, $iLineJoin )

Parameters

$hPen Pointer to a Pen object
$iLineJoin Line join style:
    0 - Line join produces a sharp corner or a clipped corner
    1 - Line join produces a diagonal corner.
    2 - Line join produces a smooth, circular arc between the lines.
    3 - Line join produces a sharp corner or a clipped corner

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 GdipSetPenLineJoin in MSDN Library.

Example

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

Example()

Func Example()
    Local $hGUI = GUICreate("GDI+", 800, 400)
    GUISetState(@SW_SHOW)

    _GDIPlus_Startup()
    Local $hGraphics = _GDIPlus_GraphicsCreateFromHWND($hGUI)
    Local $hBmp_Buffer = _GDIPlus_BitmapCreateFromGraphics(800, 400, $hGraphics)
    Local $hGfx_Buffer = _GDIPlus_ImageGetGraphicsContext($hBmp_Buffer)
    _GDIPlus_GraphicsSetSmoothingMode($hGfx_Buffer, $GDIP_SMOOTHINGMODE_HIGHQUALITY)
    _GDIPlus_GraphicsClear($hGfx_Buffer, 0xFF000000)

    Local $hPath = _GDIPlus_PathCreate()
    Local $hFormat = _GDIPlus_StringFormatCreate()
    _GDIPlus_StringFormatSetAlign($hFormat, 1)
    Local $hFamily = _GDIPlus_FontFamilyCreate("Arial")
    Local $tLayout = _GDIPlus_RectFCreate(0, 0, 800, 400)
    _GDIPlus_PathAddString($hPath, "AutoIt rulez!", $tLayout, $hFamily, 0, 140, $hFormat)
    _GDIPlus_StringFormatDispose($hFormat)
    _GDIPlus_FontFamilyDispose($hFamily)

    Local $aPoints[5][2] = [[4]]
    $aPoints[1][0] = 0
    $aPoints[1][1] = 0
    $aPoints[2][0] = 20
    $aPoints[2][1] = 0
    $aPoints[3][0] = 20
    $aPoints[3][1] = 20
    $aPoints[4][0] = 0
    $aPoints[4][1] = 20

    Local $aColors[4] = [3]
    $aColors[1] = 0xFFFF0000
    $aColors[2] = 0xFF00FF00
    $aColors[3] = 0xFF0000FF

    Local $hMatrix = _GDIPlus_MatrixCreate()
    _GDIPlus_MatrixRotate($hMatrix, 1, True)

    Local $hBrush, $hPen

    Local $hTimer = TimerInit()
    ; Loop until the user exits.
    Do
        If TimerDiff($hTimer) > 40 Then
            _GDIPlus_MatrixTransformPoints($hMatrix, $aPoints)

            $hBrush = _GDIPlus_PathBrushCreate($aPoints, 3)
            _GDIPlus_PathBrushSetCenterColor($hBrush, 0xFFFFFFFF)
            _GDIPlus_PathBrushSetSurroundColorsWithCount($hBrush, $aColors)
            $hPen = _GDIPlus_PenCreate2($hBrush, 6)
            _GDIPlus_PenSetLineJoin($hPen, $GDIP_PENSETLINEJOIN_ROUND)
            _GDIPlus_BrushDispose($hBrush)

            _GDIPlus_GraphicsClear($hGfx_Buffer, 0xFF000000)
            _GDIPlus_GraphicsDrawPath($hGfx_Buffer, $hPath, $hPen)
            _GDIPlus_PenDispose($hPen)

            _GDIPlus_GraphicsDrawImage($hGraphics, $hBmp_Buffer, 0, 0)
            $hTimer = TimerInit()
        EndIf
    Until GUIGetMsg() = $GUI_EVENT_CLOSE

    ; Clean up resources
    _GDIPlus_PathDispose($hPath)
    _GDIPlus_MatrixDispose($hMatrix)
    _GDIPlus_GraphicsDispose($hGfx_Buffer)
    _GDIPlus_BitmapDispose($hBmp_Buffer)
    _GDIPlus_GraphicsDispose($hGraphics)
    _GDIPlus_Shutdown()
EndFunc   ;==>Example