Function Reference


_GDIPlus_MatrixSetElements

Sets the elements of a matrix

#include <GDIPlus.au3>
_GDIPlus_MatrixSetElements ( $hMatrix [, $nM11 = 1 [, $nM12 = 0 [, $nM21 = 0 [, $nM22 = 1 [, $nDX = 0 [, $nDY = 0]]]]]] )

Parameters

$hMatrix A handle value
$nM11 [optional] A floating point number value. Default is 1
$nM12 [optional] A floating point number value. Default is 0
$nM21 [optional] A floating point number value. Default is 0
$nM22 [optional] A floating point number value. Default is 1
$nDX [optional] A floating point number value. Default is 0
$nDY [optional] A floating point number value. Default is 0

Return Value

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

Related

_GDIPlus_MatrixGetElements

See Also

Search GdipSetMatrixElements in MSDN Library.

Example

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

Example()

Func Example()
    Local $iW, $iH, $hGUI, $hGraphic, $hBrush, $hPen, $hPath, $hFamily, $tLayout, $hMatrix, $aBounds

    ; Create GUI
    $iW = 640
    $iH = 220
    $hGUI = GUICreate("GDI+", $iW, $iH)
    GUISetState(@SW_SHOW)

    ; Draw a string using path
    _GDIPlus_Startup()
    $hGraphic = _GDIPlus_GraphicsCreateFromHWND($hGUI) ;Create a graphics object from a window handle
    _GDIPlus_GraphicsSetSmoothingMode($hGraphic, $GDIP_SMOOTHINGMODE_HIGHQUALITY) ;Sets the graphics object rendering quality (antialiasing)
    _GDIPlus_GraphicsClear($hGraphic, 0xFF000000)

    $hBrush = _GDIPlus_BrushCreateSolid(0xFFDD2200)
    $hPen = _GDIPlus_PenCreate(0xFFFFBB00, 2)

    $hPath = _GDIPlus_PathCreate() ;Create new path object

    $hFamily = _GDIPlus_FontFamilyCreate("Arial") ;Create font family object
    $tLayout = _GDIPlus_RectFCreate() ;Create string bounding rectangle X=0, Y=0
    _GDIPlus_PathAddString($hPath, "Fit to Window", $tLayout, $hFamily) ;Add the outline of the string to the path

    ; Tranform Path to fit to window
    $aBounds = _GDIPlus_PathGetWorldBounds($hPath) ;Get bounding rectangle of the path
    $hMatrix = _GDIPlus_MatrixCreate()
    _GDIPlus_MatrixTranslate($hMatrix, -$aBounds[0], -$aBounds[1]) ;Translate Matrix to the offset of the bounding rectangle
    _GDIPlus_MatrixScale($hMatrix, $iW / $aBounds[2], $iH / $aBounds[3], True) ;Scale Matrix
    _GDIPlus_PathTransform($hPath, $hMatrix) ;Translate and Scale Path

    _GDIPlus_GraphicsFillPath($hGraphic, $hPath, $hBrush) ;Fill path to graphics handle (GUI)
    _GDIPlus_GraphicsDrawPath($hGraphic, $hPath, $hPen) ;Draw path to graphics handle (GUI)

    ; Tranform Path to center the path
    _GDIPlus_PathReset($hPath) ;Reset Path (delete previous string)
    _GDIPlus_PathAddString($hPath, "Center", $tLayout, $hFamily, 0, 100, 0) ;Add the outline of the string to the path

    $aBounds = _GDIPlus_PathGetWorldBounds($hPath)
    _GDIPlus_MatrixSetElements($hMatrix, 1, 0, 0, 1, 0, 0) ;Reset Matrix
    _GDIPlus_MatrixTranslate($hMatrix, ($iW / 2) - $aBounds[0] - ($aBounds[2] / 2), ($iH / 2) - $aBounds[1] - ($aBounds[3] / 2))
    _GDIPlus_PathTransform($hPath, $hMatrix) ;Translate (offset) Path

    _GDIPlus_BrushSetSolidColor($hBrush, 0x7F004488)
    _GDIPlus_PenSetColor($hPen, 0xFF00AAFF)
    _GDIPlus_GraphicsFillPath($hGraphic, $hPath, $hBrush) ;Fill path to graphics handle (GUI)
    _GDIPlus_GraphicsDrawPath($hGraphic, $hPath, $hPen) ;Draw path to graphics handle (GUI)

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

    ; Clean up resources
    _GDIPlus_MatrixDispose($hMatrix)
    _GDIPlus_FontFamilyDispose($hFamily)
    _GDIPlus_PathDispose($hPath)
    _GDIPlus_PenDispose($hPen)
    _GDIPlus_BrushDispose($hBrush)
    _GDIPlus_GraphicsDispose($hGraphic)
    _GDIPlus_Shutdown()
EndFunc   ;==>Example